From: Gerd Hoffmann Date: Thu, 20 Aug 2009 13:22:26 +0000 (+0200) Subject: ide: move code to hw/ide/ X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=59f2a78793b6d17634f39646d604e84af51e0919;p=qemu.git ide: move code to hw/ide/ Signed-off-by: Gerd Hoffmann Signed-off-by: Anthony Liguori --- diff --git a/Makefile.target b/Makefile.target index 6e94e138a4..f7d1919e87 100644 --- a/Makefile.target +++ b/Makefile.target @@ -183,7 +183,7 @@ obj-y += e1000.o obj-y += wdt_i6300esb.o # Hardware support -obj-i386-y = ide.o ide-isa.o ide-pci.o pckbd.o vga.o $(sound-obj-y) dma.o isa-bus.o +obj-i386-y = ide/core.o ide/isa.o ide/pci.o pckbd.o vga.o $(sound-obj-y) dma.o isa-bus.o obj-i386-y += fdc.o mc146818rtc.o serial.o i8259.o i8254.o pcspk.o pc.o obj-i386-y += cirrus_vga.o apic.o ioapic.o parallel.o acpi.o piix_pci.o obj-i386-y += usb-uhci.o vmmouse.o vmport.o vmware_vga.o hpet.o @@ -212,7 +212,7 @@ obj-ppc-$(CONFIG_FDT) += device_tree.o obj-mips-y = mips_r4k.o mips_jazz.o mips_malta.o mips_mipssim.o obj-mips-y += mips_timer.o mips_int.o dma.o vga.o serial.o i8254.o i8259.o rc4030.o obj-mips-y += g364fb.o jazz_led.o dp8393x.o -obj-mips-y += ide.o ide-isa.o ide-pci.o +obj-mips-y += ide/core.o ide/isa.o ide/pci.o obj-mips-y += gt64xxx.o pckbd.o fdc.o mc146818rtc.o usb-uhci.o acpi.o ds1225y.o obj-mips-y += piix_pci.o parallel.o cirrus_vga.o isa-bus.o pcspk.o $(sound-obj-y) obj-mips-y += mipsnet.o @@ -244,7 +244,7 @@ obj-cris-y += etraxfs_ser.o obj-cris-y += pflash_cfi02.o ifeq ($(TARGET_ARCH), sparc64) -obj-sparc-y = sun4u.o ide.o ide-pci.o isa-bus.o pckbd.o vga.o apb_pci.o +obj-sparc-y = sun4u.o ide/core.o ide/pci.o isa-bus.o pckbd.o vga.o apb_pci.o obj-sparc-y += fdc.o mc146818rtc.o serial.o obj-sparc-y += cirrus_vga.o parallel.o else @@ -263,7 +263,7 @@ obj-arm-y += arm-semi.o obj-arm-y += pxa2xx.o pxa2xx_pic.o pxa2xx_gpio.o pxa2xx_timer.o pxa2xx_dma.o obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o obj-arm-y += pflash_cfi01.o gumstix.o -obj-arm-y += zaurus.o ide.o isa-bus.o ide-microdrive.o serial.o spitz.o tosa.o tc6393xb.o +obj-arm-y += zaurus.o ide/core.o isa-bus.o ide/microdrive.o serial.o spitz.o tosa.o tc6393xb.o obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o obj-arm-y += omap2.o omap_dss.o soc_dma.o obj-arm-y += omap_sx1.o palm.o tsc210x.o @@ -277,7 +277,7 @@ obj-arm-y += syborg_virtio.o obj-sh4-y = shix.o r2d.o sh7750.o sh7750_regnames.o tc58128.o obj-sh4-y += sh_timer.o sh_serial.o sh_intc.o sh_pci.o sm501.o serial.o -obj-sh4-y += ide.o isa-bus.o ide-mmio.o +obj-sh4-y += ide/core.o isa-bus.o ide/mmio.o obj-m68k-y = an5206.o mcf5206.o mcf_uart.o mcf_intc.o mcf5208.o mcf_fec.o obj-m68k-y += m68k-semi.o dummy_m68k.o diff --git a/configure b/configure index 81272fa4ca..abd38ddf9e 100755 --- a/configure +++ b/configure @@ -1991,6 +1991,7 @@ test -f $config_h && mv $config_h ${config_h}~ mkdir -p $target_dir mkdir -p $target_dir/fpu mkdir -p $target_dir/tcg +mkdir -p $target_dir/ide if test "$target" = "arm-linux-user" -o "$target" = "armeb-linux-user" -o "$target" = "arm-bsd-user" -o "$target" = "armeb-bsd-user" ; then mkdir -p $target_dir/nwfpe fi diff --git a/hw/ide-internal.h b/hw/ide-internal.h deleted file mode 100644 index 4f3f86ceb5..0000000000 --- a/hw/ide-internal.h +++ /dev/null @@ -1,535 +0,0 @@ -#ifndef HW_IDE_INTERNAL_H -#define HW_IDE_INTERNAL_H - -/* - * QEMU IDE Emulation -- internal header file - * only hw/ide*.c is supposed to include this file. - * non-internal declarations are in hw/ide.h - */ -#include "ide.h" - -/* debug IDE devices */ -//#define DEBUG_IDE -//#define DEBUG_IDE_ATAPI -//#define DEBUG_AIO -#define USE_DMA_CDROM - -typedef struct IDEBus IDEBus; -typedef struct IDEState IDEState; -typedef struct BMDMAState BMDMAState; - -/* debug IDE devices */ -//#define DEBUG_IDE -//#define DEBUG_IDE_ATAPI -//#define DEBUG_AIO -#define USE_DMA_CDROM - -/* Bits of HD_STATUS */ -#define ERR_STAT 0x01 -#define INDEX_STAT 0x02 -#define ECC_STAT 0x04 /* Corrected error */ -#define DRQ_STAT 0x08 -#define SEEK_STAT 0x10 -#define SRV_STAT 0x10 -#define WRERR_STAT 0x20 -#define READY_STAT 0x40 -#define BUSY_STAT 0x80 - -/* Bits for HD_ERROR */ -#define MARK_ERR 0x01 /* Bad address mark */ -#define TRK0_ERR 0x02 /* couldn't find track 0 */ -#define ABRT_ERR 0x04 /* Command aborted */ -#define MCR_ERR 0x08 /* media change request */ -#define ID_ERR 0x10 /* ID field not found */ -#define MC_ERR 0x20 /* media changed */ -#define ECC_ERR 0x40 /* Uncorrectable ECC error */ -#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ -#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ - -/* Bits of HD_NSECTOR */ -#define CD 0x01 -#define IO 0x02 -#define REL 0x04 -#define TAG_MASK 0xf8 - -#define IDE_CMD_RESET 0x04 -#define IDE_CMD_DISABLE_IRQ 0x02 - -/* ATA/ATAPI Commands pre T13 Spec */ -#define WIN_NOP 0x00 -/* - * 0x01->0x02 Reserved - */ -#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ -/* - * 0x04->0x07 Reserved - */ -#define WIN_SRST 0x08 /* ATAPI soft reset command */ -#define WIN_DEVICE_RESET 0x08 -/* - * 0x09->0x0F Reserved - */ -#define WIN_RECAL 0x10 -#define WIN_RESTORE WIN_RECAL -/* - * 0x10->0x1F Reserved - */ -#define WIN_READ 0x20 /* 28-Bit */ -#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */ -#define WIN_READ_LONG 0x22 /* 28-Bit */ -#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */ -#define WIN_READ_EXT 0x24 /* 48-Bit */ -#define WIN_READDMA_EXT 0x25 /* 48-Bit */ -#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */ -#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ -/* - * 0x28 - */ -#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ -/* - * 0x2A->0x2F Reserved - */ -#define WIN_WRITE 0x30 /* 28-Bit */ -#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */ -#define WIN_WRITE_LONG 0x32 /* 28-Bit */ -#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */ -#define WIN_WRITE_EXT 0x34 /* 48-Bit */ -#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ -#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ -#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ -#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ -#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ -/* - * 0x3A->0x3B Reserved - */ -#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */ -/* - * 0x3D->0x3F Reserved - */ -#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ -#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */ -#define WIN_VERIFY_EXT 0x42 /* 48-Bit */ -/* - * 0x43->0x4F Reserved - */ -#define WIN_FORMAT 0x50 -/* - * 0x51->0x5F Reserved - */ -#define WIN_INIT 0x60 -/* - * 0x61->0x5F Reserved - */ -#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */ -#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ -#define WIN_DIAGNOSE 0x90 -#define WIN_SPECIFY 0x91 /* set drive geometry translation */ -#define WIN_DOWNLOAD_MICROCODE 0x92 -#define WIN_STANDBYNOW2 0x94 -#define CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */ -#define WIN_STANDBY2 0x96 -#define WIN_SETIDLE2 0x97 -#define WIN_CHECKPOWERMODE2 0x98 -#define WIN_SLEEPNOW2 0x99 -/* - * 0x9A VENDOR - */ -#define WIN_PACKETCMD 0xA0 /* Send a packet command. */ -#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ -#define WIN_QUEUED_SERVICE 0xA2 -#define WIN_SMART 0xB0 /* self-monitoring and reporting */ -#define CFA_ACCESS_METADATA_STORAGE 0xB8 -#define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */ -#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ -#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ -#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ -#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */ -#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ -#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */ -#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ -#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */ -#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */ -#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ -#define WIN_GETMEDIASTATUS 0xDA -#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */ -#define WIN_POSTBOOT 0xDC -#define WIN_PREBOOT 0xDD -#define WIN_DOORLOCK 0xDE /* lock door on removable drives */ -#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */ -#define WIN_STANDBYNOW1 0xE0 -#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ -#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ -#define WIN_SETIDLE1 0xE3 -#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ -#define WIN_CHECKPOWERMODE1 0xE5 -#define WIN_SLEEPNOW1 0xE6 -#define WIN_FLUSH_CACHE 0xE7 -#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ -#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */ - /* SET_FEATURES 0x22 or 0xDD */ -#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ -#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ -#define WIN_MEDIAEJECT 0xED -#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */ -#define WIN_SETFEATURES 0xEF /* set special drive features */ -#define EXABYTE_ENABLE_NEST 0xF0 -#define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */ -#define WIN_SECURITY_SET_PASS 0xF1 -#define WIN_SECURITY_UNLOCK 0xF2 -#define WIN_SECURITY_ERASE_PREPARE 0xF3 -#define WIN_SECURITY_ERASE_UNIT 0xF4 -#define WIN_SECURITY_FREEZE_LOCK 0xF5 -#define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP */ -#define WIN_SECURITY_DISABLE 0xF6 -#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ -#define WIN_SET_MAX 0xF9 -#define DISABLE_SEAGATE 0xFB - -/* set to 1 set disable mult support */ -#define MAX_MULT_SECTORS 16 - -#define IDE_DMA_BUF_SECTORS 256 - -#if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS) -#error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS" -#endif - -/* ATAPI defines */ - -#define ATAPI_PACKET_SIZE 12 - -/* The generic packet command opcodes for CD/DVD Logical Units, - * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ -#define GPCMD_BLANK 0xa1 -#define GPCMD_CLOSE_TRACK 0x5b -#define GPCMD_FLUSH_CACHE 0x35 -#define GPCMD_FORMAT_UNIT 0x04 -#define GPCMD_GET_CONFIGURATION 0x46 -#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a -#define GPCMD_GET_PERFORMANCE 0xac -#define GPCMD_INQUIRY 0x12 -#define GPCMD_LOAD_UNLOAD 0xa6 -#define GPCMD_MECHANISM_STATUS 0xbd -#define GPCMD_MODE_SELECT_10 0x55 -#define GPCMD_MODE_SENSE_10 0x5a -#define GPCMD_PAUSE_RESUME 0x4b -#define GPCMD_PLAY_AUDIO_10 0x45 -#define GPCMD_PLAY_AUDIO_MSF 0x47 -#define GPCMD_PLAY_AUDIO_TI 0x48 -#define GPCMD_PLAY_CD 0xbc -#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e -#define GPCMD_READ_10 0x28 -#define GPCMD_READ_12 0xa8 -#define GPCMD_READ_CDVD_CAPACITY 0x25 -#define GPCMD_READ_CD 0xbe -#define GPCMD_READ_CD_MSF 0xb9 -#define GPCMD_READ_DISC_INFO 0x51 -#define GPCMD_READ_DVD_STRUCTURE 0xad -#define GPCMD_READ_FORMAT_CAPACITIES 0x23 -#define GPCMD_READ_HEADER 0x44 -#define GPCMD_READ_TRACK_RZONE_INFO 0x52 -#define GPCMD_READ_SUBCHANNEL 0x42 -#define GPCMD_READ_TOC_PMA_ATIP 0x43 -#define GPCMD_REPAIR_RZONE_TRACK 0x58 -#define GPCMD_REPORT_KEY 0xa4 -#define GPCMD_REQUEST_SENSE 0x03 -#define GPCMD_RESERVE_RZONE_TRACK 0x53 -#define GPCMD_SCAN 0xba -#define GPCMD_SEEK 0x2b -#define GPCMD_SEND_DVD_STRUCTURE 0xad -#define GPCMD_SEND_EVENT 0xa2 -#define GPCMD_SEND_KEY 0xa3 -#define GPCMD_SEND_OPC 0x54 -#define GPCMD_SET_READ_AHEAD 0xa7 -#define GPCMD_SET_STREAMING 0xb6 -#define GPCMD_START_STOP_UNIT 0x1b -#define GPCMD_STOP_PLAY_SCAN 0x4e -#define GPCMD_TEST_UNIT_READY 0x00 -#define GPCMD_VERIFY_10 0x2f -#define GPCMD_WRITE_10 0x2a -#define GPCMD_WRITE_AND_VERIFY_10 0x2e -/* This is listed as optional in ATAPI 2.6, but is (curiously) - * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji - * Table 377 as an MMC command for SCSi devices though... Most ATAPI - * drives support it. */ -#define GPCMD_SET_SPEED 0xbb -/* This seems to be a SCSI specific CD-ROM opcode - * to play data at track/index */ -#define GPCMD_PLAYAUDIO_TI 0x48 -/* - * From MS Media Status Notification Support Specification. For - * older drives only. - */ -#define GPCMD_GET_MEDIA_STATUS 0xda -#define GPCMD_MODE_SENSE_6 0x1a - -/* Mode page codes for mode sense/set */ -#define GPMODE_R_W_ERROR_PAGE 0x01 -#define GPMODE_WRITE_PARMS_PAGE 0x05 -#define GPMODE_AUDIO_CTL_PAGE 0x0e -#define GPMODE_POWER_PAGE 0x1a -#define GPMODE_FAULT_FAIL_PAGE 0x1c -#define GPMODE_TO_PROTECT_PAGE 0x1d -#define GPMODE_CAPABILITIES_PAGE 0x2a -#define GPMODE_ALL_PAGES 0x3f -/* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor - * of MODE_SENSE_POWER_PAGE */ -#define GPMODE_CDROM_PAGE 0x0d - -/* - * Based on values from but extending CD_MINS - * to the maximum common size allowed by the Orange's Book ATIP - * - * 90 and 99 min CDs are also available but using them as the - * upper limit reduces the effectiveness of the heuristic to - * detect DVDs burned to less than 25% of their maximum capacity - */ - -/* Some generally useful CD-ROM information */ -#define CD_MINS 80 /* max. minutes per CD */ -#define CD_SECS 60 /* seconds per minute */ -#define CD_FRAMES 75 /* frames per second */ -#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */ -#define CD_MAX_BYTES (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE) -#define CD_MAX_SECTORS (CD_MAX_BYTES / 512) - -/* - * The MMC values are not IDE specific and might need to be moved - * to a common header if they are also needed for the SCSI emulation - */ - -/* Profile list from MMC-6 revision 1 table 91 */ -#define MMC_PROFILE_NONE 0x0000 -#define MMC_PROFILE_CD_ROM 0x0008 -#define MMC_PROFILE_CD_R 0x0009 -#define MMC_PROFILE_CD_RW 0x000A -#define MMC_PROFILE_DVD_ROM 0x0010 -#define MMC_PROFILE_DVD_R_SR 0x0011 -#define MMC_PROFILE_DVD_RAM 0x0012 -#define MMC_PROFILE_DVD_RW_RO 0x0013 -#define MMC_PROFILE_DVD_RW_SR 0x0014 -#define MMC_PROFILE_DVD_R_DL_SR 0x0015 -#define MMC_PROFILE_DVD_R_DL_JR 0x0016 -#define MMC_PROFILE_DVD_RW_DL 0x0017 -#define MMC_PROFILE_DVD_DDR 0x0018 -#define MMC_PROFILE_DVD_PLUS_RW 0x001A -#define MMC_PROFILE_DVD_PLUS_R 0x001B -#define MMC_PROFILE_DVD_PLUS_RW_DL 0x002A -#define MMC_PROFILE_DVD_PLUS_R_DL 0x002B -#define MMC_PROFILE_BD_ROM 0x0040 -#define MMC_PROFILE_BD_R_SRM 0x0041 -#define MMC_PROFILE_BD_R_RRM 0x0042 -#define MMC_PROFILE_BD_RE 0x0043 -#define MMC_PROFILE_HDDVD_ROM 0x0050 -#define MMC_PROFILE_HDDVD_R 0x0051 -#define MMC_PROFILE_HDDVD_RAM 0x0052 -#define MMC_PROFILE_HDDVD_RW 0x0053 -#define MMC_PROFILE_HDDVD_R_DL 0x0058 -#define MMC_PROFILE_HDDVD_RW_DL 0x005A -#define MMC_PROFILE_INVALID 0xFFFF - -#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ -#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ -#define ATAPI_INT_REASON_REL 0x04 -#define ATAPI_INT_REASON_TAG 0xf8 - -/* same constants as bochs */ -#define ASC_ILLEGAL_OPCODE 0x20 -#define ASC_LOGICAL_BLOCK_OOR 0x21 -#define ASC_INV_FIELD_IN_CMD_PACKET 0x24 -#define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28 -#define ASC_INCOMPATIBLE_FORMAT 0x30 -#define ASC_MEDIUM_NOT_PRESENT 0x3a -#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39 -#define ASC_MEDIA_REMOVAL_PREVENTED 0x53 - -#define CFA_NO_ERROR 0x00 -#define CFA_MISC_ERROR 0x09 -#define CFA_INVALID_COMMAND 0x20 -#define CFA_INVALID_ADDRESS 0x21 -#define CFA_ADDRESS_OVERFLOW 0x2f - -#define SENSE_NONE 0 -#define SENSE_NOT_READY 2 -#define SENSE_ILLEGAL_REQUEST 5 -#define SENSE_UNIT_ATTENTION 6 - -#define SMART_READ_DATA 0xd0 -#define SMART_READ_THRESH 0xd1 -#define SMART_ATTR_AUTOSAVE 0xd2 -#define SMART_SAVE_ATTR 0xd3 -#define SMART_EXECUTE_OFFLINE 0xd4 -#define SMART_READ_LOG 0xd5 -#define SMART_WRITE_LOG 0xd6 -#define SMART_ENABLE 0xd8 -#define SMART_DISABLE 0xd9 -#define SMART_STATUS 0xda - -typedef void EndTransferFunc(IDEState *); - -/* NOTE: IDEState represents in fact one drive */ -struct IDEState { - IDEBus *bus; - uint8_t unit; - /* ide config */ - int is_cdrom; - int is_cf; - int cylinders, heads, sectors; - int64_t nb_sectors; - int mult_sectors; - int identify_set; - uint16_t identify_data[256]; - qemu_irq irq; - int drive_serial; - char drive_serial_str[21]; - /* ide regs */ - uint8_t feature; - uint8_t error; - uint32_t nsector; - uint8_t sector; - uint8_t lcyl; - uint8_t hcyl; - /* other part of tf for lba48 support */ - uint8_t hob_feature; - uint8_t hob_nsector; - uint8_t hob_sector; - uint8_t hob_lcyl; - uint8_t hob_hcyl; - - uint8_t select; - uint8_t status; - - /* 0x3f6 command, only meaningful for drive 0 */ - uint8_t cmd; - /* set for lba48 access */ - uint8_t lba48; - BlockDriverState *bs; - /* ATAPI specific */ - uint8_t sense_key; - uint8_t asc; - uint8_t cdrom_changed; - int packet_transfer_size; - int elementary_transfer_size; - int io_buffer_index; - int lba; - int cd_sector_size; - int atapi_dma; /* true if dma is requested for the packet cmd */ - /* ATA DMA state */ - int io_buffer_size; - QEMUSGList sg; - /* PIO transfer handling */ - int req_nb_sectors; /* number of sectors per interrupt */ - EndTransferFunc *end_transfer_func; - uint8_t *data_ptr; - uint8_t *data_end; - uint8_t *io_buffer; - QEMUTimer *sector_write_timer; /* only used for win2k install hack */ - uint32_t irq_count; /* counts IRQs when using win2k install hack */ - /* CF-ATA extended error */ - uint8_t ext_error; - /* CF-ATA metadata storage */ - uint32_t mdata_size; - uint8_t *mdata_storage; - int media_changed; - /* for pmac */ - int is_read; - /* SMART */ - uint8_t smart_enabled; - uint8_t smart_autosave; - int smart_errors; - uint8_t smart_selftest_count; - uint8_t *smart_selftest_data; -}; - -struct IDEBus { - BusState qbus; - BMDMAState *bmdma; - IDEState ifs[2]; - uint8_t unit; -}; - -#define BM_STATUS_DMAING 0x01 -#define BM_STATUS_ERROR 0x02 -#define BM_STATUS_INT 0x04 -#define BM_STATUS_DMA_RETRY 0x08 -#define BM_STATUS_PIO_RETRY 0x10 - -#define BM_CMD_START 0x01 -#define BM_CMD_READ 0x08 - -struct BMDMAState { - uint8_t cmd; - uint8_t status; - uint32_t addr; - - struct PCIIDEState *pci_dev; - IDEBus *bus; - /* current transfer state */ - uint32_t cur_addr; - uint32_t cur_prd_last; - uint32_t cur_prd_addr; - uint32_t cur_prd_len; - uint8_t unit; - BlockDriverCompletionFunc *dma_cb; - BlockDriverAIOCB *aiocb; - struct iovec iov; - QEMUIOVector qiov; - int64_t sector_num; - uint32_t nsector; - QEMUBH *bh; -}; - -static inline IDEState *idebus_active_if(IDEBus *bus) -{ - return bus->ifs + bus->unit; -} - -static inline IDEState *bmdma_active_if(BMDMAState *bmdma) -{ - assert(bmdma->unit != -1); - return bmdma->bus->ifs + bmdma->unit; -} - -static inline void ide_set_irq(IDEState *s) -{ - BMDMAState *bm = s->bus->bmdma; - if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) { - if (bm) { - bm->status |= BM_STATUS_INT; - } - qemu_irq_raise(s->irq); - } -} - -/* ide.c */ -void ide_save(QEMUFile* f, IDEState *s); -void ide_load(QEMUFile* f, IDEState *s, int version_id); -void idebus_save(QEMUFile* f, IDEBus *bus); -void idebus_load(QEMUFile* f, IDEBus *bus, int version_id); - -void ide_reset(IDEState *s); -int64_t ide_get_sector(IDEState *s); -void ide_set_sector(IDEState *s, int64_t sector_num); - -void ide_dma_cancel(BMDMAState *bm); -void ide_dma_restart_cb(void *opaque, int running, int reason); -void ide_dma_error(IDEState *s); - -void ide_atapi_cmd_ok(IDEState *s); -void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc); -void ide_atapi_io_error(IDEState *s, int ret); - -void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val); -uint32_t ide_ioport_read(void *opaque, uint32_t addr1); -uint32_t ide_status_read(void *opaque, uint32_t addr); -void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val); -void ide_data_writew(void *opaque, uint32_t addr, uint32_t val); -uint32_t ide_data_readw(void *opaque, uint32_t addr); -void ide_data_writel(void *opaque, uint32_t addr, uint32_t val); -uint32_t ide_data_readl(void *opaque, uint32_t addr); - -void ide_init2(IDEBus *bus, BlockDriverState *hd0, BlockDriverState *hd1, - qemu_irq irq); -void ide_init_ioport(IDEBus *bus, int iobase, int iobase2); - -#endif /* HW_IDE_INTERNAL_H */ diff --git a/hw/ide-isa.c b/hw/ide-isa.c deleted file mode 100644 index 279474b30e..0000000000 --- a/hw/ide-isa.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * QEMU IDE Emulation: ISA Bus support. - * - * Copyright (c) 2003 Fabrice Bellard - * Copyright (c) 2006 Openedhand Ltd. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "hw.h" -#include "pc.h" -#include "block.h" -#include "block_int.h" -#include "sysemu.h" -#include "dma.h" -#include "ide-internal.h" - -/***********************************************************/ -/* ISA IDE definitions */ - -typedef struct ISAIDEState { - IDEBus *bus; -} ISAIDEState; - -static void isa_ide_save(QEMUFile* f, void *opaque) -{ - ISAIDEState *s = opaque; - - idebus_save(f, s->bus); - ide_save(f, &s->bus->ifs[0]); - ide_save(f, &s->bus->ifs[1]); -} - -static int isa_ide_load(QEMUFile* f, void *opaque, int version_id) -{ - ISAIDEState *s = opaque; - - idebus_load(f, s->bus, version_id); - ide_load(f, &s->bus->ifs[0], version_id); - ide_load(f, &s->bus->ifs[1], version_id); - return 0; -} - -void isa_ide_init(int iobase, int iobase2, qemu_irq irq, - BlockDriverState *hd0, BlockDriverState *hd1) -{ - ISAIDEState *s; - - s = qemu_mallocz(sizeof(*s)); - s->bus = qemu_mallocz(sizeof(IDEBus)); - - ide_init2(s->bus, hd0, hd1, irq); - ide_init_ioport(s->bus, iobase, iobase2); - register_savevm("isa-ide", 0, 3, isa_ide_save, isa_ide_load, s); -} diff --git a/hw/ide-macio.c b/hw/ide-macio.c deleted file mode 100644 index d4135efe3a..0000000000 --- a/hw/ide-macio.c +++ /dev/null @@ -1,355 +0,0 @@ -/* - * QEMU IDE Emulation: MacIO support. - * - * Copyright (c) 2003 Fabrice Bellard - * Copyright (c) 2006 Openedhand Ltd. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "hw.h" -#include "block.h" -#include "block_int.h" -#include "sysemu.h" -#include "dma.h" -#include "ppc_mac.h" -#include "mac_dbdma.h" -#include "ide-internal.h" - -/***********************************************************/ -/* MacIO based PowerPC IDE */ - -typedef struct MACIOIDEState { - IDEBus bus; - BlockDriverAIOCB *aiocb; -} MACIOIDEState; - -static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) -{ - DBDMA_io *io = opaque; - MACIOIDEState *m = io->opaque; - IDEState *s = idebus_active_if(&m->bus); - - if (ret < 0) { - m->aiocb = NULL; - qemu_sglist_destroy(&s->sg); - ide_atapi_io_error(s, ret); - io->dma_end(opaque); - return; - } - - if (s->io_buffer_size > 0) { - m->aiocb = NULL; - qemu_sglist_destroy(&s->sg); - - s->packet_transfer_size -= s->io_buffer_size; - - s->io_buffer_index += s->io_buffer_size; - s->lba += s->io_buffer_index >> 11; - s->io_buffer_index &= 0x7ff; - } - - if (s->packet_transfer_size <= 0) - ide_atapi_cmd_ok(s); - - if (io->len == 0) { - io->dma_end(opaque); - return; - } - - /* launch next transfer */ - - s->io_buffer_size = io->len; - - qemu_sglist_init(&s->sg, io->len / TARGET_PAGE_SIZE + 1); - qemu_sglist_add(&s->sg, io->addr, io->len); - io->addr += io->len; - io->len = 0; - - m->aiocb = dma_bdrv_read(s->bs, &s->sg, - (int64_t)(s->lba << 2) + (s->io_buffer_index >> 9), - pmac_ide_atapi_transfer_cb, io); - if (!m->aiocb) { - qemu_sglist_destroy(&s->sg); - /* Note: media not present is the most likely case */ - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - io->dma_end(opaque); - return; - } -} - -static void pmac_ide_transfer_cb(void *opaque, int ret) -{ - DBDMA_io *io = opaque; - MACIOIDEState *m = io->opaque; - IDEState *s = idebus_active_if(&m->bus); - int n; - int64_t sector_num; - - if (ret < 0) { - m->aiocb = NULL; - qemu_sglist_destroy(&s->sg); - ide_dma_error(s); - io->dma_end(io); - return; - } - - sector_num = ide_get_sector(s); - if (s->io_buffer_size > 0) { - m->aiocb = NULL; - qemu_sglist_destroy(&s->sg); - n = (s->io_buffer_size + 0x1ff) >> 9; - sector_num += n; - ide_set_sector(s, sector_num); - s->nsector -= n; - } - - /* end of transfer ? */ - if (s->nsector == 0) { - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - } - - /* end of DMA ? */ - - if (io->len == 0) { - io->dma_end(io); - return; - } - - /* launch next transfer */ - - s->io_buffer_index = 0; - s->io_buffer_size = io->len; - - qemu_sglist_init(&s->sg, io->len / TARGET_PAGE_SIZE + 1); - qemu_sglist_add(&s->sg, io->addr, io->len); - io->addr += io->len; - io->len = 0; - - if (s->is_read) - m->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, - pmac_ide_transfer_cb, io); - else - m->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, - pmac_ide_transfer_cb, io); - if (!m->aiocb) - pmac_ide_transfer_cb(io, -1); -} - -static void pmac_ide_transfer(DBDMA_io *io) -{ - MACIOIDEState *m = io->opaque; - IDEState *s = idebus_active_if(&m->bus); - - s->io_buffer_size = 0; - if (s->is_cdrom) { - pmac_ide_atapi_transfer_cb(io, 0); - return; - } - - pmac_ide_transfer_cb(io, 0); -} - -static void pmac_ide_flush(DBDMA_io *io) -{ - MACIOIDEState *m = io->opaque; - - if (m->aiocb) - qemu_aio_flush(); -} - -/* PowerMac IDE memory IO */ -static void pmac_ide_writeb (void *opaque, - target_phys_addr_t addr, uint32_t val) -{ - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; - switch (addr) { - case 1 ... 7: - ide_ioport_write(&d->bus, addr, val); - break; - case 8: - case 22: - ide_cmd_write(&d->bus, 0, val); - break; - default: - break; - } -} - -static uint32_t pmac_ide_readb (void *opaque,target_phys_addr_t addr) -{ - uint8_t retval; - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; - switch (addr) { - case 1 ... 7: - retval = ide_ioport_read(&d->bus, addr); - break; - case 8: - case 22: - retval = ide_status_read(&d->bus, 0); - break; - default: - retval = 0xFF; - break; - } - return retval; -} - -static void pmac_ide_writew (void *opaque, - target_phys_addr_t addr, uint32_t val) -{ - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; -#ifdef TARGET_WORDS_BIGENDIAN - val = bswap16(val); -#endif - if (addr == 0) { - ide_data_writew(&d->bus, 0, val); - } -} - -static uint32_t pmac_ide_readw (void *opaque,target_phys_addr_t addr) -{ - uint16_t retval; - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; - if (addr == 0) { - retval = ide_data_readw(&d->bus, 0); - } else { - retval = 0xFFFF; - } -#ifdef TARGET_WORDS_BIGENDIAN - retval = bswap16(retval); -#endif - return retval; -} - -static void pmac_ide_writel (void *opaque, - target_phys_addr_t addr, uint32_t val) -{ - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; -#ifdef TARGET_WORDS_BIGENDIAN - val = bswap32(val); -#endif - if (addr == 0) { - ide_data_writel(&d->bus, 0, val); - } -} - -static uint32_t pmac_ide_readl (void *opaque,target_phys_addr_t addr) -{ - uint32_t retval; - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; - if (addr == 0) { - retval = ide_data_readl(&d->bus, 0); - } else { - retval = 0xFFFFFFFF; - } -#ifdef TARGET_WORDS_BIGENDIAN - retval = bswap32(retval); -#endif - return retval; -} - -static CPUWriteMemoryFunc *pmac_ide_write[] = { - pmac_ide_writeb, - pmac_ide_writew, - pmac_ide_writel, -}; - -static CPUReadMemoryFunc *pmac_ide_read[] = { - pmac_ide_readb, - pmac_ide_readw, - pmac_ide_readl, -}; - -static void pmac_ide_save(QEMUFile *f, void *opaque) -{ - MACIOIDEState *d = opaque; - unsigned int i; - - /* per IDE interface data */ - idebus_save(f, &d->bus); - - /* per IDE drive data */ - for(i = 0; i < 2; i++) { - ide_save(f, &d->bus.ifs[i]); - } -} - -static int pmac_ide_load(QEMUFile *f, void *opaque, int version_id) -{ - MACIOIDEState *d = opaque; - unsigned int i; - - if (version_id != 1 && version_id != 3) - return -EINVAL; - - /* per IDE interface data */ - idebus_load(f, &d->bus, version_id); - - /* per IDE drive data */ - for(i = 0; i < 2; i++) { - ide_load(f, &d->bus.ifs[i], version_id); - } - return 0; -} - -static void pmac_ide_reset(void *opaque) -{ - MACIOIDEState *d = opaque; - - ide_reset(d->bus.ifs +0); - ide_reset(d->bus.ifs +1); -} - -/* hd_table must contain 4 block drivers */ -/* PowerMac uses memory mapped registers, not I/O. Return the memory - I/O index to access the ide. */ -int pmac_ide_init (BlockDriverState **hd_table, qemu_irq irq, - void *dbdma, int channel, qemu_irq dma_irq) -{ - MACIOIDEState *d; - int pmac_ide_memory; - - d = qemu_mallocz(sizeof(MACIOIDEState)); - ide_init2(&d->bus, hd_table[0], hd_table[1], irq); - - if (dbdma) - DBDMA_register_channel(dbdma, channel, dma_irq, pmac_ide_transfer, pmac_ide_flush, d); - - pmac_ide_memory = cpu_register_io_memory(pmac_ide_read, - pmac_ide_write, d); - register_savevm("ide", 0, 3, pmac_ide_save, pmac_ide_load, d); - qemu_register_reset(pmac_ide_reset, d); - pmac_ide_reset(d); - - return pmac_ide_memory; -} diff --git a/hw/ide-microdrive.c b/hw/ide-microdrive.c deleted file mode 100644 index f055425fae..0000000000 --- a/hw/ide-microdrive.c +++ /dev/null @@ -1,574 +0,0 @@ -/* - * QEMU IDE Emulation: microdrive (CF / PCMCIA) - * - * Copyright (c) 2003 Fabrice Bellard - * Copyright (c) 2006 Openedhand Ltd. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "hw.h" -#include "pc.h" -#include "block.h" -#include "block_int.h" -#include "sysemu.h" -#include "dma.h" -#include "ide-internal.h" -#include "pcmcia.h" - -/***********************************************************/ -/* CF-ATA Microdrive */ - -#define METADATA_SIZE 0x20 - -/* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */ -typedef struct { - IDEBus bus; - PCMCIACardState card; - uint32_t attr_base; - uint32_t io_base; - - /* Card state */ - uint8_t opt; - uint8_t stat; - uint8_t pins; - - uint8_t ctrl; - uint16_t io; - int cycle; -} MicroDriveState; - -/* Register bitfields */ -enum md_opt { - OPT_MODE_MMAP = 0, - OPT_MODE_IOMAP16 = 1, - OPT_MODE_IOMAP1 = 2, - OPT_MODE_IOMAP2 = 3, - OPT_MODE = 0x3f, - OPT_LEVIREQ = 0x40, - OPT_SRESET = 0x80, -}; -enum md_cstat { - STAT_INT = 0x02, - STAT_PWRDWN = 0x04, - STAT_XE = 0x10, - STAT_IOIS8 = 0x20, - STAT_SIGCHG = 0x40, - STAT_CHANGED = 0x80, -}; -enum md_pins { - PINS_MRDY = 0x02, - PINS_CRDY = 0x20, -}; -enum md_ctrl { - CTRL_IEN = 0x02, - CTRL_SRST = 0x04, -}; - -static inline void md_interrupt_update(MicroDriveState *s) -{ - if (!s->card.slot) - return; - - qemu_set_irq(s->card.slot->irq, - !(s->stat & STAT_INT) && /* Inverted */ - !(s->ctrl & (CTRL_IEN | CTRL_SRST)) && - !(s->opt & OPT_SRESET)); -} - -static void md_set_irq(void *opaque, int irq, int level) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - if (level) - s->stat |= STAT_INT; - else - s->stat &= ~STAT_INT; - - md_interrupt_update(s); -} - -static void md_reset(MicroDriveState *s) -{ - s->opt = OPT_MODE_MMAP; - s->stat = 0; - s->pins = 0; - s->cycle = 0; - s->ctrl = 0; - ide_reset(s->bus.ifs); -} - -static uint8_t md_attr_read(void *opaque, uint32_t at) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - if (at < s->attr_base) { - if (at < s->card.cis_len) - return s->card.cis[at]; - else - return 0x00; - } - - at -= s->attr_base; - - switch (at) { - case 0x00: /* Configuration Option Register */ - return s->opt; - case 0x02: /* Card Configuration Status Register */ - if (s->ctrl & CTRL_IEN) - return s->stat & ~STAT_INT; - else - return s->stat; - case 0x04: /* Pin Replacement Register */ - return (s->pins & PINS_CRDY) | 0x0c; - case 0x06: /* Socket and Copy Register */ - return 0x00; -#ifdef VERBOSE - default: - printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at); -#endif - } - - return 0; -} - -static void md_attr_write(void *opaque, uint32_t at, uint8_t value) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - at -= s->attr_base; - - switch (at) { - case 0x00: /* Configuration Option Register */ - s->opt = value & 0xcf; - if (value & OPT_SRESET) - md_reset(s); - md_interrupt_update(s); - break; - case 0x02: /* Card Configuration Status Register */ - if ((s->stat ^ value) & STAT_PWRDWN) - s->pins |= PINS_CRDY; - s->stat &= 0x82; - s->stat |= value & 0x74; - md_interrupt_update(s); - /* Word 170 in Identify Device must be equal to STAT_XE */ - break; - case 0x04: /* Pin Replacement Register */ - s->pins &= PINS_CRDY; - s->pins |= value & PINS_MRDY; - break; - case 0x06: /* Socket and Copy Register */ - break; - default: - printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at); - } -} - -static uint16_t md_common_read(void *opaque, uint32_t at) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - IDEState *ifs; - uint16_t ret; - at -= s->io_base; - - switch (s->opt & OPT_MODE) { - case OPT_MODE_MMAP: - if ((at & ~0x3ff) == 0x400) - at = 0; - break; - case OPT_MODE_IOMAP16: - at &= 0xf; - break; - case OPT_MODE_IOMAP1: - if ((at & ~0xf) == 0x3f0) - at -= 0x3e8; - else if ((at & ~0xf) == 0x1f0) - at -= 0x1f0; - break; - case OPT_MODE_IOMAP2: - if ((at & ~0xf) == 0x370) - at -= 0x368; - else if ((at & ~0xf) == 0x170) - at -= 0x170; - } - - switch (at) { - case 0x0: /* Even RD Data */ - case 0x8: - return ide_data_readw(&s->bus, 0); - - /* TODO: 8-bit accesses */ - if (s->cycle) - ret = s->io >> 8; - else { - s->io = ide_data_readw(&s->bus, 0); - ret = s->io & 0xff; - } - s->cycle = !s->cycle; - return ret; - case 0x9: /* Odd RD Data */ - return s->io >> 8; - case 0xd: /* Error */ - return ide_ioport_read(&s->bus, 0x1); - case 0xe: /* Alternate Status */ - ifs = idebus_active_if(&s->bus); - if (ifs->bs) - return ifs->status; - else - return 0; - case 0xf: /* Device Address */ - ifs = idebus_active_if(&s->bus); - return 0xc2 | ((~ifs->select << 2) & 0x3c); - default: - return ide_ioport_read(&s->bus, at); - } - - return 0; -} - -static void md_common_write(void *opaque, uint32_t at, uint16_t value) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - at -= s->io_base; - - switch (s->opt & OPT_MODE) { - case OPT_MODE_MMAP: - if ((at & ~0x3ff) == 0x400) - at = 0; - break; - case OPT_MODE_IOMAP16: - at &= 0xf; - break; - case OPT_MODE_IOMAP1: - if ((at & ~0xf) == 0x3f0) - at -= 0x3e8; - else if ((at & ~0xf) == 0x1f0) - at -= 0x1f0; - break; - case OPT_MODE_IOMAP2: - if ((at & ~0xf) == 0x370) - at -= 0x368; - else if ((at & ~0xf) == 0x170) - at -= 0x170; - } - - switch (at) { - case 0x0: /* Even WR Data */ - case 0x8: - ide_data_writew(&s->bus, 0, value); - break; - - /* TODO: 8-bit accesses */ - if (s->cycle) - ide_data_writew(&s->bus, 0, s->io | (value << 8)); - else - s->io = value & 0xff; - s->cycle = !s->cycle; - break; - case 0x9: - s->io = value & 0xff; - s->cycle = !s->cycle; - break; - case 0xd: /* Features */ - ide_ioport_write(&s->bus, 0x1, value); - break; - case 0xe: /* Device Control */ - s->ctrl = value; - if (value & CTRL_SRST) - md_reset(s); - md_interrupt_update(s); - break; - default: - if (s->stat & STAT_PWRDWN) { - s->pins |= PINS_CRDY; - s->stat &= ~STAT_PWRDWN; - } - ide_ioport_write(&s->bus, at, value); - } -} - -static void md_save(QEMUFile *f, void *opaque) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - int i; - - qemu_put_8s(f, &s->opt); - qemu_put_8s(f, &s->stat); - qemu_put_8s(f, &s->pins); - - qemu_put_8s(f, &s->ctrl); - qemu_put_be16s(f, &s->io); - qemu_put_byte(f, s->cycle); - - idebus_save(f, &s->bus); - - for (i = 0; i < 2; i ++) - ide_save(f, &s->bus.ifs[i]); -} - -static int md_load(QEMUFile *f, void *opaque, int version_id) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - int i; - - if (version_id != 0 && version_id != 3) - return -EINVAL; - - qemu_get_8s(f, &s->opt); - qemu_get_8s(f, &s->stat); - qemu_get_8s(f, &s->pins); - - qemu_get_8s(f, &s->ctrl); - qemu_get_be16s(f, &s->io); - s->cycle = qemu_get_byte(f); - - idebus_load(f, &s->bus, version_id); - - for (i = 0; i < 2; i ++) - ide_load(f, &s->bus.ifs[i], version_id); - - return 0; -} - -static const uint8_t dscm1xxxx_cis[0x14a] = { - [0x000] = CISTPL_DEVICE, /* 5V Device Information */ - [0x002] = 0x03, /* Tuple length = 4 bytes */ - [0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ - [0x006] = 0x01, /* Size = 2K bytes */ - [0x008] = CISTPL_ENDMARK, - - [0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */ - [0x00c] = 0x04, /* Tuple length = 4 byest */ - [0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */ - [0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ - [0x012] = 0x01, /* Size = 2K bytes */ - [0x014] = CISTPL_ENDMARK, - - [0x016] = CISTPL_JEDEC_C, /* JEDEC ID */ - [0x018] = 0x02, /* Tuple length = 2 bytes */ - [0x01a] = 0xdf, /* PC Card ATA with no Vpp required */ - [0x01c] = 0x01, - - [0x01e] = CISTPL_MANFID, /* Manufacture ID */ - [0x020] = 0x04, /* Tuple length = 4 bytes */ - [0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */ - [0x024] = 0x00, - [0x026] = 0x00, /* PLMID_CARD = 0000 */ - [0x028] = 0x00, - - [0x02a] = CISTPL_VERS_1, /* Level 1 Version */ - [0x02c] = 0x12, /* Tuple length = 23 bytes */ - [0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */ - [0x030] = 0x01, /* Minor Version = 1 */ - [0x032] = 'I', - [0x034] = 'B', - [0x036] = 'M', - [0x038] = 0x00, - [0x03a] = 'm', - [0x03c] = 'i', - [0x03e] = 'c', - [0x040] = 'r', - [0x042] = 'o', - [0x044] = 'd', - [0x046] = 'r', - [0x048] = 'i', - [0x04a] = 'v', - [0x04c] = 'e', - [0x04e] = 0x00, - [0x050] = CISTPL_ENDMARK, - - [0x052] = CISTPL_FUNCID, /* Function ID */ - [0x054] = 0x02, /* Tuple length = 2 bytes */ - [0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */ - [0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */ - - [0x05a] = CISTPL_FUNCE, /* Function Extension */ - [0x05c] = 0x02, /* Tuple length = 2 bytes */ - [0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */ - [0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */ - - [0x062] = CISTPL_FUNCE, /* Function Extension */ - [0x064] = 0x03, /* Tuple length = 3 bytes */ - [0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */ - [0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */ - [0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */ - - [0x06c] = CISTPL_CONFIG, /* Configuration */ - [0x06e] = 0x05, /* Tuple length = 5 bytes */ - [0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */ - [0x072] = 0x07, /* TPCC_LAST = 7 */ - [0x074] = 0x00, /* TPCC_RADR = 0200 */ - [0x076] = 0x02, - [0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */ - - [0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x07c] = 0x0b, /* Tuple length = 11 bytes */ - [0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */ - [0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */ - [0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */ - [0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ - [0x086] = 0x55, /* NomV: 5.0 V */ - [0x088] = 0x4d, /* MinV: 4.5 V */ - [0x08a] = 0x5d, /* MaxV: 5.5 V */ - [0x08c] = 0x4e, /* Peakl: 450 mA */ - [0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */ - [0x090] = 0x00, /* Window descriptor: Window length = 0 */ - [0x092] = 0x20, /* TPCE_MI: support power down mode, RW */ - - [0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x096] = 0x06, /* Tuple length = 6 bytes */ - [0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */ - [0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ - [0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ - [0x09e] = 0xb5, /* NomV: 3.3 V */ - [0x0a0] = 0x1e, - [0x0a2] = 0x3e, /* Peakl: 350 mA */ - - [0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x0a6] = 0x0d, /* Tuple length = 13 bytes */ - [0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */ - [0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ - [0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ - [0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ - [0x0b0] = 0x55, /* NomV: 5.0 V */ - [0x0b2] = 0x4d, /* MinV: 4.5 V */ - [0x0b4] = 0x5d, /* MaxV: 5.5 V */ - [0x0b6] = 0x4e, /* Peakl: 450 mA */ - [0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */ - [0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */ - [0x0bc] = 0xff, /* IRQ0..IRQ7 supported */ - [0x0be] = 0xff, /* IRQ8..IRQ15 supported */ - [0x0c0] = 0x20, /* TPCE_MI = support power down mode */ - - [0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x0c4] = 0x06, /* Tuple length = 6 bytes */ - [0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */ - [0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ - [0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ - [0x0cc] = 0xb5, /* NomV: 3.3 V */ - [0x0ce] = 0x1e, - [0x0d0] = 0x3e, /* Peakl: 350 mA */ - - [0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x0d4] = 0x12, /* Tuple length = 18 bytes */ - [0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */ - [0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ - [0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ - [0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ - [0x0de] = 0x55, /* NomV: 5.0 V */ - [0x0e0] = 0x4d, /* MinV: 4.5 V */ - [0x0e2] = 0x5d, /* MaxV: 5.5 V */ - [0x0e4] = 0x4e, /* Peakl: 450 mA */ - [0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ - [0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */ - [0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */ - [0x0ec] = 0x01, - [0x0ee] = 0x07, /* Address block length = 8 */ - [0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */ - [0x0f2] = 0x03, - [0x0f4] = 0x01, /* Address block length = 2 */ - [0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ - [0x0f8] = 0x20, /* TPCE_MI = support power down mode */ - - [0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x0fc] = 0x06, /* Tuple length = 6 bytes */ - [0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */ - [0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ - [0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ - [0x104] = 0xb5, /* NomV: 3.3 V */ - [0x106] = 0x1e, - [0x108] = 0x3e, /* Peakl: 350 mA */ - - [0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x10c] = 0x12, /* Tuple length = 18 bytes */ - [0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */ - [0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ - [0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ - [0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ - [0x116] = 0x55, /* NomV: 5.0 V */ - [0x118] = 0x4d, /* MinV: 4.5 V */ - [0x11a] = 0x5d, /* MaxV: 5.5 V */ - [0x11c] = 0x4e, /* Peakl: 450 mA */ - [0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ - [0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */ - [0x122] = 0x70, /* Field 1 address = 0x0170 */ - [0x124] = 0x01, - [0x126] = 0x07, /* Address block length = 8 */ - [0x128] = 0x76, /* Field 2 address = 0x0376 */ - [0x12a] = 0x03, - [0x12c] = 0x01, /* Address block length = 2 */ - [0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ - [0x130] = 0x20, /* TPCE_MI = support power down mode */ - - [0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x134] = 0x06, /* Tuple length = 6 bytes */ - [0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */ - [0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ - [0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ - [0x13c] = 0xb5, /* NomV: 3.3 V */ - [0x13e] = 0x1e, - [0x140] = 0x3e, /* Peakl: 350 mA */ - - [0x142] = CISTPL_NO_LINK, /* No Link */ - [0x144] = 0x00, /* Tuple length = 0 bytes */ - - [0x146] = CISTPL_END, /* Tuple End */ -}; - -static int dscm1xxxx_attach(void *opaque) -{ - MicroDriveState *md = (MicroDriveState *) opaque; - md->card.attr_read = md_attr_read; - md->card.attr_write = md_attr_write; - md->card.common_read = md_common_read; - md->card.common_write = md_common_write; - md->card.io_read = md_common_read; - md->card.io_write = md_common_write; - - md->attr_base = md->card.cis[0x74] | (md->card.cis[0x76] << 8); - md->io_base = 0x0; - - md_reset(md); - md_interrupt_update(md); - - md->card.slot->card_string = "DSCM-1xxxx Hitachi Microdrive"; - return 0; -} - -static int dscm1xxxx_detach(void *opaque) -{ - MicroDriveState *md = (MicroDriveState *) opaque; - md_reset(md); - return 0; -} - -PCMCIACardState *dscm1xxxx_init(BlockDriverState *bdrv) -{ - MicroDriveState *md = (MicroDriveState *) qemu_mallocz(sizeof(MicroDriveState)); - md->card.state = md; - md->card.attach = dscm1xxxx_attach; - md->card.detach = dscm1xxxx_detach; - md->card.cis = dscm1xxxx_cis; - md->card.cis_len = sizeof(dscm1xxxx_cis); - - ide_init2(&md->bus, bdrv, NULL, qemu_allocate_irqs(md_set_irq, md, 1)[0]); - md->bus.ifs[0].is_cf = 1; - md->bus.ifs[0].mdata_size = METADATA_SIZE; - md->bus.ifs[0].mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE); - - register_savevm("microdrive", -1, 3, md_save, md_load, md); - - return &md->card; -} diff --git a/hw/ide-mmio.c b/hw/ide-mmio.c deleted file mode 100644 index ba4363049e..0000000000 --- a/hw/ide-mmio.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * QEMU IDE Emulation: mmio support (for embedded). - * - * Copyright (c) 2003 Fabrice Bellard - * Copyright (c) 2006 Openedhand Ltd. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "hw.h" -#include "block.h" -#include "block_int.h" -#include "sysemu.h" -#include "dma.h" -#include "ide-internal.h" - -/***********************************************************/ -/* MMIO based ide port - * This emulates IDE device connected directly to the CPU bus without - * dedicated ide controller, which is often seen on embedded boards. - */ - -typedef struct { - IDEBus *bus; - int shift; -} MMIOState; - -static uint32_t mmio_ide_read (void *opaque, target_phys_addr_t addr) -{ - MMIOState *s = (MMIOState*)opaque; - IDEBus *bus = s->bus; - addr >>= s->shift; - if (addr & 7) - return ide_ioport_read(bus, addr); - else - return ide_data_readw(bus, 0); -} - -static void mmio_ide_write (void *opaque, target_phys_addr_t addr, - uint32_t val) -{ - MMIOState *s = (MMIOState*)opaque; - IDEBus *bus = s->bus; - addr >>= s->shift; - if (addr & 7) - ide_ioport_write(bus, addr, val); - else - ide_data_writew(bus, 0, val); -} - -static CPUReadMemoryFunc * const mmio_ide_reads[] = { - mmio_ide_read, - mmio_ide_read, - mmio_ide_read, -}; - -static CPUWriteMemoryFunc * const mmio_ide_writes[] = { - mmio_ide_write, - mmio_ide_write, - mmio_ide_write, -}; - -static uint32_t mmio_ide_status_read (void *opaque, target_phys_addr_t addr) -{ - MMIOState *s= (MMIOState*)opaque; - IDEBus *bus = s->bus; - return ide_status_read(bus, 0); -} - -static void mmio_ide_cmd_write (void *opaque, target_phys_addr_t addr, - uint32_t val) -{ - MMIOState *s = (MMIOState*)opaque; - IDEBus *bus = s->bus; - ide_cmd_write(bus, 0, val); -} - -static CPUReadMemoryFunc * const mmio_ide_status[] = { - mmio_ide_status_read, - mmio_ide_status_read, - mmio_ide_status_read, -}; - -static CPUWriteMemoryFunc * const mmio_ide_cmd[] = { - mmio_ide_cmd_write, - mmio_ide_cmd_write, - mmio_ide_cmd_write, -}; - -static void mmio_ide_save(QEMUFile* f, void *opaque) -{ - MMIOState *s = opaque; - - idebus_save(f, s->bus); - ide_save(f, &s->bus->ifs[0]); - ide_save(f, &s->bus->ifs[1]); -} - -static int mmio_ide_load(QEMUFile* f, void *opaque, int version_id) -{ - MMIOState *s = opaque; - - idebus_load(f, s->bus, version_id); - ide_load(f, &s->bus->ifs[0], version_id); - ide_load(f, &s->bus->ifs[1], version_id); - return 0; -} - -void mmio_ide_init (target_phys_addr_t membase, target_phys_addr_t membase2, - qemu_irq irq, int shift, - BlockDriverState *hd0, BlockDriverState *hd1) -{ - MMIOState *s = qemu_mallocz(sizeof(MMIOState)); - IDEBus *bus = qemu_mallocz(sizeof(*bus)); - int mem1, mem2; - - ide_init2(bus, hd0, hd1, irq); - - s->bus = bus; - s->shift = shift; - - mem1 = cpu_register_io_memory(mmio_ide_reads, mmio_ide_writes, s); - mem2 = cpu_register_io_memory(mmio_ide_status, mmio_ide_cmd, s); - cpu_register_physical_memory(membase, 16 << shift, mem1); - cpu_register_physical_memory(membase2, 2 << shift, mem2); - register_savevm("mmio-ide", 0, 3, mmio_ide_save, mmio_ide_load, s); -} - diff --git a/hw/ide-pci.c b/hw/ide-pci.c deleted file mode 100644 index e3826bfec0..0000000000 --- a/hw/ide-pci.c +++ /dev/null @@ -1,522 +0,0 @@ -/* - * QEMU IDE Emulation: PCI Bus support. - * - * Copyright (c) 2003 Fabrice Bellard - * Copyright (c) 2006 Openedhand Ltd. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "hw.h" -#include "pc.h" -#include "block.h" -#include "block_int.h" -#include "sysemu.h" -#include "dma.h" -#include "pci.h" -#include "ide-internal.h" - -/***********************************************************/ -/* PCI IDE definitions */ - -/* CMD646 specific */ -#define MRDMODE 0x71 -#define MRDMODE_INTR_CH0 0x04 -#define MRDMODE_INTR_CH1 0x08 -#define MRDMODE_BLK_CH0 0x10 -#define MRDMODE_BLK_CH1 0x20 -#define UDIDETCR0 0x73 -#define UDIDETCR1 0x7B - -#define IDE_TYPE_PIIX3 0 -#define IDE_TYPE_CMD646 1 -#define IDE_TYPE_PIIX4 2 - -typedef struct PCIIDEState { - PCIDevice dev; - IDEBus bus[2]; - BMDMAState bmdma[2]; - int type; /* see IDE_TYPE_xxx */ -} PCIIDEState; - -static void cmd646_update_irq(PCIIDEState *d); - -static void ide_map(PCIDevice *pci_dev, int region_num, - uint32_t addr, uint32_t size, int type) -{ - PCIIDEState *d = (PCIIDEState *)pci_dev; - IDEBus *bus; - - if (region_num <= 3) { - bus = &d->bus[(region_num >> 1)]; - if (region_num & 1) { - register_ioport_read(addr + 2, 1, 1, ide_status_read, bus); - register_ioport_write(addr + 2, 1, 1, ide_cmd_write, bus); - } else { - register_ioport_write(addr, 8, 1, ide_ioport_write, bus); - register_ioport_read(addr, 8, 1, ide_ioport_read, bus); - - /* data ports */ - register_ioport_write(addr, 2, 2, ide_data_writew, bus); - register_ioport_read(addr, 2, 2, ide_data_readw, bus); - register_ioport_write(addr, 4, 4, ide_data_writel, bus); - register_ioport_read(addr, 4, 4, ide_data_readl, bus); - } - } -} - -static void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val) -{ - BMDMAState *bm = opaque; -#ifdef DEBUG_IDE - printf("%s: 0x%08x\n", __func__, val); -#endif - if (!(val & BM_CMD_START)) { - /* XXX: do it better */ - ide_dma_cancel(bm); - bm->cmd = val & 0x09; - } else { - if (!(bm->status & BM_STATUS_DMAING)) { - bm->status |= BM_STATUS_DMAING; - /* start dma transfer if possible */ - if (bm->dma_cb) - bm->dma_cb(bm, 0); - } - bm->cmd = val & 0x09; - } -} - -static uint32_t bmdma_readb(void *opaque, uint32_t addr) -{ - BMDMAState *bm = opaque; - PCIIDEState *pci_dev; - uint32_t val; - - switch(addr & 3) { - case 0: - val = bm->cmd; - break; - case 1: - pci_dev = bm->pci_dev; - if (pci_dev->type == IDE_TYPE_CMD646) { - val = pci_dev->dev.config[MRDMODE]; - } else { - val = 0xff; - } - break; - case 2: - val = bm->status; - break; - case 3: - pci_dev = bm->pci_dev; - if (pci_dev->type == IDE_TYPE_CMD646) { - if (bm == &pci_dev->bmdma[0]) - val = pci_dev->dev.config[UDIDETCR0]; - else - val = pci_dev->dev.config[UDIDETCR1]; - } else { - val = 0xff; - } - break; - default: - val = 0xff; - break; - } -#ifdef DEBUG_IDE - printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val); -#endif - return val; -} - -static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val) -{ - BMDMAState *bm = opaque; - PCIIDEState *pci_dev; -#ifdef DEBUG_IDE - printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val); -#endif - switch(addr & 3) { - case 1: - pci_dev = bm->pci_dev; - if (pci_dev->type == IDE_TYPE_CMD646) { - pci_dev->dev.config[MRDMODE] = - (pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30); - cmd646_update_irq(pci_dev); - } - break; - case 2: - bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06); - break; - case 3: - pci_dev = bm->pci_dev; - if (pci_dev->type == IDE_TYPE_CMD646) { - if (bm == &pci_dev->bmdma[0]) - pci_dev->dev.config[UDIDETCR0] = val; - else - pci_dev->dev.config[UDIDETCR1] = val; - } - break; - } -} - -static uint32_t bmdma_addr_readb(void *opaque, uint32_t addr) -{ - BMDMAState *bm = opaque; - uint32_t val; - val = (bm->addr >> ((addr & 3) * 8)) & 0xff; -#ifdef DEBUG_IDE - printf("%s: 0x%08x\n", __func__, val); -#endif - return val; -} - -static void bmdma_addr_writeb(void *opaque, uint32_t addr, uint32_t val) -{ - BMDMAState *bm = opaque; - int shift = (addr & 3) * 8; -#ifdef DEBUG_IDE - printf("%s: 0x%08x\n", __func__, val); -#endif - bm->addr &= ~(0xFF << shift); - bm->addr |= ((val & 0xFF) << shift) & ~3; - bm->cur_addr = bm->addr; -} - -static uint32_t bmdma_addr_readw(void *opaque, uint32_t addr) -{ - BMDMAState *bm = opaque; - uint32_t val; - val = (bm->addr >> ((addr & 3) * 8)) & 0xffff; -#ifdef DEBUG_IDE - printf("%s: 0x%08x\n", __func__, val); -#endif - return val; -} - -static void bmdma_addr_writew(void *opaque, uint32_t addr, uint32_t val) -{ - BMDMAState *bm = opaque; - int shift = (addr & 3) * 8; -#ifdef DEBUG_IDE - printf("%s: 0x%08x\n", __func__, val); -#endif - bm->addr &= ~(0xFFFF << shift); - bm->addr |= ((val & 0xFFFF) << shift) & ~3; - bm->cur_addr = bm->addr; -} - -static uint32_t bmdma_addr_readl(void *opaque, uint32_t addr) -{ - BMDMAState *bm = opaque; - uint32_t val; - val = bm->addr; -#ifdef DEBUG_IDE - printf("%s: 0x%08x\n", __func__, val); -#endif - return val; -} - -static void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val) -{ - BMDMAState *bm = opaque; -#ifdef DEBUG_IDE - printf("%s: 0x%08x\n", __func__, val); -#endif - bm->addr = val & ~3; - bm->cur_addr = bm->addr; -} - -static void bmdma_map(PCIDevice *pci_dev, int region_num, - uint32_t addr, uint32_t size, int type) -{ - PCIIDEState *d = (PCIIDEState *)pci_dev; - int i; - - for(i = 0;i < 2; i++) { - BMDMAState *bm = &d->bmdma[i]; - d->bus[i].bmdma = bm; - bm->pci_dev = DO_UPCAST(PCIIDEState, dev, pci_dev); - bm->bus = d->bus+i; - qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm); - - register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm); - - register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm); - register_ioport_read(addr, 4, 1, bmdma_readb, bm); - - register_ioport_write(addr + 4, 4, 1, bmdma_addr_writeb, bm); - register_ioport_read(addr + 4, 4, 1, bmdma_addr_readb, bm); - register_ioport_write(addr + 4, 4, 2, bmdma_addr_writew, bm); - register_ioport_read(addr + 4, 4, 2, bmdma_addr_readw, bm); - register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm); - register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm); - addr += 8; - } -} - -static void pci_ide_save(QEMUFile* f, void *opaque) -{ - PCIIDEState *d = opaque; - int i; - - pci_device_save(&d->dev, f); - - for(i = 0; i < 2; i++) { - BMDMAState *bm = &d->bmdma[i]; - uint8_t ifidx; - qemu_put_8s(f, &bm->cmd); - qemu_put_8s(f, &bm->status); - qemu_put_be32s(f, &bm->addr); - qemu_put_sbe64s(f, &bm->sector_num); - qemu_put_be32s(f, &bm->nsector); - ifidx = bm->unit + 2*i; - qemu_put_8s(f, &ifidx); - /* XXX: if a transfer is pending, we do not save it yet */ - } - - /* per IDE interface data */ - for(i = 0; i < 2; i++) { - idebus_save(f, &d->bus[i]); - } - - /* per IDE drive data */ - for(i = 0; i < 2; i++) { - ide_save(f, &d->bus[i].ifs[0]); - ide_save(f, &d->bus[i].ifs[1]); - } -} - -static int pci_ide_load(QEMUFile* f, void *opaque, int version_id) -{ - PCIIDEState *d = opaque; - int ret, i; - - if (version_id != 2 && version_id != 3) - return -EINVAL; - ret = pci_device_load(&d->dev, f); - if (ret < 0) - return ret; - - for(i = 0; i < 2; i++) { - BMDMAState *bm = &d->bmdma[i]; - uint8_t ifidx; - qemu_get_8s(f, &bm->cmd); - qemu_get_8s(f, &bm->status); - qemu_get_be32s(f, &bm->addr); - qemu_get_sbe64s(f, &bm->sector_num); - qemu_get_be32s(f, &bm->nsector); - qemu_get_8s(f, &ifidx); - bm->unit = ifidx & 1; - /* XXX: if a transfer is pending, we do not save it yet */ - } - - /* per IDE interface data */ - for(i = 0; i < 2; i++) { - idebus_load(f, &d->bus[i], version_id); - } - - /* per IDE drive data */ - for(i = 0; i < 2; i++) { - ide_load(f, &d->bus[i].ifs[0], version_id); - ide_load(f, &d->bus[i].ifs[1], version_id); - } - return 0; -} - -/* XXX: call it also when the MRDMODE is changed from the PCI config - registers */ -static void cmd646_update_irq(PCIIDEState *d) -{ - int pci_level; - pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) && - !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) || - ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) && - !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1)); - qemu_set_irq(d->dev.irq[0], pci_level); -} - -/* the PCI irq level is the logical OR of the two channels */ -static void cmd646_set_irq(void *opaque, int channel, int level) -{ - PCIIDEState *d = opaque; - int irq_mask; - - irq_mask = MRDMODE_INTR_CH0 << channel; - if (level) - d->dev.config[MRDMODE] |= irq_mask; - else - d->dev.config[MRDMODE] &= ~irq_mask; - cmd646_update_irq(d); -} - -static void cmd646_reset(void *opaque) -{ - PCIIDEState *d = opaque; - unsigned int i; - - for (i = 0; i < 2; i++) - ide_dma_cancel(&d->bmdma[i]); -} - -/* CMD646 PCI IDE controller */ -void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table, - int secondary_ide_enabled) -{ - PCIIDEState *d; - uint8_t *pci_conf; - qemu_irq *irq; - - d = (PCIIDEState *)pci_register_device(bus, "CMD646 IDE", - sizeof(PCIIDEState), - -1, - NULL, NULL); - d->type = IDE_TYPE_CMD646; - pci_conf = d->dev.config; - pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_CMD); - pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_CMD_646); - - pci_conf[0x08] = 0x07; // IDE controller revision - pci_conf[0x09] = 0x8f; - - pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); - pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type - - pci_conf[0x51] = 0x04; // enable IDE0 - if (secondary_ide_enabled) { - /* XXX: if not enabled, really disable the seconday IDE controller */ - pci_conf[0x51] |= 0x08; /* enable IDE1 */ - } - - pci_register_bar((PCIDevice *)d, 0, 0x8, - PCI_ADDRESS_SPACE_IO, ide_map); - pci_register_bar((PCIDevice *)d, 1, 0x4, - PCI_ADDRESS_SPACE_IO, ide_map); - pci_register_bar((PCIDevice *)d, 2, 0x8, - PCI_ADDRESS_SPACE_IO, ide_map); - pci_register_bar((PCIDevice *)d, 3, 0x4, - PCI_ADDRESS_SPACE_IO, ide_map); - pci_register_bar((PCIDevice *)d, 4, 0x10, - PCI_ADDRESS_SPACE_IO, bmdma_map); - - pci_conf[0x3d] = 0x01; // interrupt on pin 1 - - irq = qemu_allocate_irqs(cmd646_set_irq, d, 2); - ide_init2(&d->bus[0], hd_table[0], hd_table[1], irq[0]); - ide_init2(&d->bus[1], hd_table[2], hd_table[3], irq[1]); - - register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); - qemu_register_reset(cmd646_reset, d); - cmd646_reset(d); -} - -static void piix3_reset(void *opaque) -{ - PCIIDEState *d = opaque; - uint8_t *pci_conf = d->dev.config; - int i; - - for (i = 0; i < 2; i++) - ide_dma_cancel(&d->bmdma[i]); - - pci_conf[0x04] = 0x00; - pci_conf[0x05] = 0x00; - pci_conf[0x06] = 0x80; /* FBC */ - pci_conf[0x07] = 0x02; // PCI_status_devsel_medium - pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */ -} - -/* hd_table must contain 4 block drivers */ -/* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */ -void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, - qemu_irq *pic) -{ - PCIIDEState *d; - uint8_t *pci_conf; - int i; - - /* register a function 1 of PIIX3 */ - d = (PCIIDEState *)pci_register_device(bus, "PIIX3 IDE", - sizeof(PCIIDEState), - devfn, - NULL, NULL); - d->type = IDE_TYPE_PIIX3; - - pci_conf = d->dev.config; - pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); - pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371SB_1); - pci_conf[0x09] = 0x80; // legacy ATA mode - pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); - pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type - - qemu_register_reset(piix3_reset, d); - piix3_reset(d); - - pci_register_bar((PCIDevice *)d, 4, 0x10, - PCI_ADDRESS_SPACE_IO, bmdma_map); - - ide_init2(&d->bus[0], hd_table[0], hd_table[1], isa_reserve_irq(14)); - ide_init2(&d->bus[1], hd_table[2], hd_table[3], isa_reserve_irq(15)); - ide_init_ioport(&d->bus[0], 0x1f0, 0x3f6); - ide_init_ioport(&d->bus[1], 0x170, 0x376); - - for (i = 0; i < 4; i++) - if (hd_table[i]) - hd_table[i]->private = &d->dev; - - register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); -} - -/* hd_table must contain 4 block drivers */ -/* NOTE: for the PIIX4, the IRQs and IOports are hardcoded */ -void pci_piix4_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, - qemu_irq *pic) -{ - PCIIDEState *d; - uint8_t *pci_conf; - - /* register a function 1 of PIIX4 */ - d = (PCIIDEState *)pci_register_device(bus, "PIIX4 IDE", - sizeof(PCIIDEState), - devfn, - NULL, NULL); - d->type = IDE_TYPE_PIIX4; - - pci_conf = d->dev.config; - pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); - pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371AB); - pci_conf[0x09] = 0x80; // legacy ATA mode - pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); - pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type - - qemu_register_reset(piix3_reset, d); - piix3_reset(d); - - pci_register_bar((PCIDevice *)d, 4, 0x10, - PCI_ADDRESS_SPACE_IO, bmdma_map); - - /* - * These should call isa_reserve_irq() instead when MIPS supports it - */ - ide_init2(&d->bus[0], hd_table[0], hd_table[1], pic[14]); - ide_init2(&d->bus[1], hd_table[2], hd_table[3], pic[15]); - ide_init_ioport(&d->bus[0], 0x1f0, 0x3f6); - ide_init_ioport(&d->bus[1], 0x170, 0x376); - - register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); -} - diff --git a/hw/ide.c b/hw/ide.c deleted file mode 100644 index 7064e6d0ac..0000000000 --- a/hw/ide.c +++ /dev/null @@ -1,2700 +0,0 @@ -/* - * QEMU IDE disk and CD/DVD-ROM Emulator - * - * Copyright (c) 2003 Fabrice Bellard - * Copyright (c) 2006 Openedhand Ltd. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "hw.h" -#include "pc.h" -#include "pci.h" -#include "scsi-disk.h" -#include "block.h" -#include "block_int.h" -#include "qemu-timer.h" -#include "sysemu.h" -#include "sh.h" -#include "dma.h" -#include "ide-internal.h" - -static int smart_attributes[][5] = { - /* id, flags, val, wrst, thrsh */ - { 0x01, 0x03, 0x64, 0x64, 0x06}, /* raw read */ - { 0x03, 0x03, 0x64, 0x64, 0x46}, /* spin up */ - { 0x04, 0x02, 0x64, 0x64, 0x14}, /* start stop count */ - { 0x05, 0x03, 0x64, 0x64, 0x36}, /* remapped sectors */ - { 0x00, 0x00, 0x00, 0x00, 0x00} -}; - -/* XXX: DVDs that could fit on a CD will be reported as a CD */ -static inline int media_present(IDEState *s) -{ - return (s->nb_sectors > 0); -} - -static inline int media_is_dvd(IDEState *s) -{ - return (media_present(s) && s->nb_sectors > CD_MAX_SECTORS); -} - -static inline int media_is_cd(IDEState *s) -{ - return (media_present(s) && s->nb_sectors <= CD_MAX_SECTORS); -} - -static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb); -static void ide_dma_restart(IDEState *s); -static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret); - -static void padstr(char *str, const char *src, int len) -{ - int i, v; - for(i = 0; i < len; i++) { - if (*src) - v = *src++; - else - v = ' '; - str[i^1] = v; - } -} - -static void padstr8(uint8_t *buf, int buf_size, const char *src) -{ - int i; - for(i = 0; i < buf_size; i++) { - if (*src) - buf[i] = *src++; - else - buf[i] = ' '; - } -} - -static void put_le16(uint16_t *p, unsigned int v) -{ - *p = cpu_to_le16(v); -} - -static void ide_identify(IDEState *s) -{ - uint16_t *p; - unsigned int oldsize; - - if (s->identify_set) { - memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); - return; - } - - memset(s->io_buffer, 0, 512); - p = (uint16_t *)s->io_buffer; - put_le16(p + 0, 0x0040); - put_le16(p + 1, s->cylinders); - put_le16(p + 3, s->heads); - put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */ - put_le16(p + 5, 512); /* XXX: retired, remove ? */ - put_le16(p + 6, s->sectors); - padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ - put_le16(p + 20, 3); /* XXX: retired, remove ? */ - put_le16(p + 21, 512); /* cache size in sectors */ - put_le16(p + 22, 4); /* ecc bytes */ - padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ - padstr((char *)(p + 27), "QEMU HARDDISK", 40); /* model */ -#if MAX_MULT_SECTORS > 1 - put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); -#endif - put_le16(p + 48, 1); /* dword I/O */ - put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ - put_le16(p + 51, 0x200); /* PIO transfer cycle */ - put_le16(p + 52, 0x200); /* DMA transfer cycle */ - put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */ - put_le16(p + 54, s->cylinders); - put_le16(p + 55, s->heads); - put_le16(p + 56, s->sectors); - oldsize = s->cylinders * s->heads * s->sectors; - put_le16(p + 57, oldsize); - put_le16(p + 58, oldsize >> 16); - if (s->mult_sectors) - put_le16(p + 59, 0x100 | s->mult_sectors); - put_le16(p + 60, s->nb_sectors); - put_le16(p + 61, s->nb_sectors >> 16); - put_le16(p + 62, 0x07); /* single word dma0-2 supported */ - put_le16(p + 63, 0x07); /* mdma0-2 supported */ - put_le16(p + 65, 120); - put_le16(p + 66, 120); - put_le16(p + 67, 120); - put_le16(p + 68, 120); - put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */ - put_le16(p + 81, 0x16); /* conforms to ata5 */ - /* 14=NOP supported, 0=SMART supported */ - put_le16(p + 82, (1 << 14) | 1); - /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ - put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); - /* 14=set to 1, 1=SMART self test, 0=SMART error logging */ - put_le16(p + 84, (1 << 14) | 0); - /* 14 = NOP supported, 0=SMART feature set enabled */ - put_le16(p + 85, (1 << 14) | 1); - /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ - put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); - /* 14=set to 1, 1=smart self test, 0=smart error logging */ - put_le16(p + 87, (1 << 14) | 0); - put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ - put_le16(p + 93, 1 | (1 << 14) | 0x2000); - put_le16(p + 100, s->nb_sectors); - put_le16(p + 101, s->nb_sectors >> 16); - put_le16(p + 102, s->nb_sectors >> 32); - put_le16(p + 103, s->nb_sectors >> 48); - - memcpy(s->identify_data, p, sizeof(s->identify_data)); - s->identify_set = 1; -} - -static void ide_atapi_identify(IDEState *s) -{ - uint16_t *p; - - if (s->identify_set) { - memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); - return; - } - - memset(s->io_buffer, 0, 512); - p = (uint16_t *)s->io_buffer; - /* Removable CDROM, 50us response, 12 byte packets */ - put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); - padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ - put_le16(p + 20, 3); /* buffer type */ - put_le16(p + 21, 512); /* cache size in sectors */ - put_le16(p + 22, 4); /* ecc bytes */ - padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ - padstr((char *)(p + 27), "QEMU DVD-ROM", 40); /* model */ - put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ -#ifdef USE_DMA_CDROM - put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ - put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */ - put_le16(p + 62, 7); /* single word dma0-2 supported */ - put_le16(p + 63, 7); /* mdma0-2 supported */ - put_le16(p + 64, 0x3f); /* PIO modes supported */ -#else - put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ - put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ - put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ - put_le16(p + 64, 1); /* PIO modes */ -#endif - put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ - put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ - put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ - put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ - - put_le16(p + 71, 30); /* in ns */ - put_le16(p + 72, 30); /* in ns */ - - put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ -#ifdef USE_DMA_CDROM - put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ -#endif - memcpy(s->identify_data, p, sizeof(s->identify_data)); - s->identify_set = 1; -} - -static void ide_cfata_identify(IDEState *s) -{ - uint16_t *p; - uint32_t cur_sec; - - p = (uint16_t *) s->identify_data; - if (s->identify_set) - goto fill_buffer; - - memset(p, 0, sizeof(s->identify_data)); - - cur_sec = s->cylinders * s->heads * s->sectors; - - put_le16(p + 0, 0x848a); /* CF Storage Card signature */ - put_le16(p + 1, s->cylinders); /* Default cylinders */ - put_le16(p + 3, s->heads); /* Default heads */ - put_le16(p + 6, s->sectors); /* Default sectors per track */ - put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */ - put_le16(p + 8, s->nb_sectors); /* Sectors per card */ - padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ - put_le16(p + 22, 0x0004); /* ECC bytes */ - padstr((char *) (p + 23), QEMU_VERSION, 8); /* Firmware Revision */ - padstr((char *) (p + 27), "QEMU MICRODRIVE", 40);/* Model number */ -#if MAX_MULT_SECTORS > 1 - put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); -#else - put_le16(p + 47, 0x0000); -#endif - put_le16(p + 49, 0x0f00); /* Capabilities */ - put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ - put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ - put_le16(p + 53, 0x0003); /* Translation params valid */ - put_le16(p + 54, s->cylinders); /* Current cylinders */ - put_le16(p + 55, s->heads); /* Current heads */ - put_le16(p + 56, s->sectors); /* Current sectors */ - put_le16(p + 57, cur_sec); /* Current capacity */ - put_le16(p + 58, cur_sec >> 16); /* Current capacity */ - if (s->mult_sectors) /* Multiple sector setting */ - put_le16(p + 59, 0x100 | s->mult_sectors); - put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ - put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ - put_le16(p + 63, 0x0203); /* Multiword DMA capability */ - put_le16(p + 64, 0x0001); /* Flow Control PIO support */ - put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ - put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ - put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ - put_le16(p + 82, 0x400c); /* Command Set supported */ - put_le16(p + 83, 0x7068); /* Command Set supported */ - put_le16(p + 84, 0x4000); /* Features supported */ - put_le16(p + 85, 0x000c); /* Command Set enabled */ - put_le16(p + 86, 0x7044); /* Command Set enabled */ - put_le16(p + 87, 0x4000); /* Features enabled */ - put_le16(p + 91, 0x4060); /* Current APM level */ - put_le16(p + 129, 0x0002); /* Current features option */ - put_le16(p + 130, 0x0005); /* Reassigned sectors */ - put_le16(p + 131, 0x0001); /* Initial power mode */ - put_le16(p + 132, 0x0000); /* User signature */ - put_le16(p + 160, 0x8100); /* Power requirement */ - put_le16(p + 161, 0x8001); /* CF command set */ - - s->identify_set = 1; - -fill_buffer: - memcpy(s->io_buffer, p, sizeof(s->identify_data)); -} - -static void ide_set_signature(IDEState *s) -{ - s->select &= 0xf0; /* clear head */ - /* put signature */ - s->nsector = 1; - s->sector = 1; - if (s->is_cdrom) { - s->lcyl = 0x14; - s->hcyl = 0xeb; - } else if (s->bs) { - s->lcyl = 0; - s->hcyl = 0; - } else { - s->lcyl = 0xff; - s->hcyl = 0xff; - } -} - -static inline void ide_abort_command(IDEState *s) -{ - s->status = READY_STAT | ERR_STAT; - s->error = ABRT_ERR; -} - -static inline void ide_dma_submit_check(IDEState *s, - BlockDriverCompletionFunc *dma_cb, BMDMAState *bm) -{ - if (bm->aiocb) - return; - dma_cb(bm, -1); -} - -/* prepare data transfer and tell what to do after */ -static void ide_transfer_start(IDEState *s, uint8_t *buf, int size, - EndTransferFunc *end_transfer_func) -{ - s->end_transfer_func = end_transfer_func; - s->data_ptr = buf; - s->data_end = buf + size; - if (!(s->status & ERR_STAT)) - s->status |= DRQ_STAT; -} - -static void ide_transfer_stop(IDEState *s) -{ - s->end_transfer_func = ide_transfer_stop; - s->data_ptr = s->io_buffer; - s->data_end = s->io_buffer; - s->status &= ~DRQ_STAT; -} - -int64_t ide_get_sector(IDEState *s) -{ - int64_t sector_num; - if (s->select & 0x40) { - /* lba */ - if (!s->lba48) { - sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | - (s->lcyl << 8) | s->sector; - } else { - sector_num = ((int64_t)s->hob_hcyl << 40) | - ((int64_t) s->hob_lcyl << 32) | - ((int64_t) s->hob_sector << 24) | - ((int64_t) s->hcyl << 16) | - ((int64_t) s->lcyl << 8) | s->sector; - } - } else { - sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors + - (s->select & 0x0f) * s->sectors + (s->sector - 1); - } - return sector_num; -} - -void ide_set_sector(IDEState *s, int64_t sector_num) -{ - unsigned int cyl, r; - if (s->select & 0x40) { - if (!s->lba48) { - s->select = (s->select & 0xf0) | (sector_num >> 24); - s->hcyl = (sector_num >> 16); - s->lcyl = (sector_num >> 8); - s->sector = (sector_num); - } else { - s->sector = sector_num; - s->lcyl = sector_num >> 8; - s->hcyl = sector_num >> 16; - s->hob_sector = sector_num >> 24; - s->hob_lcyl = sector_num >> 32; - s->hob_hcyl = sector_num >> 40; - } - } else { - cyl = sector_num / (s->heads * s->sectors); - r = sector_num % (s->heads * s->sectors); - s->hcyl = cyl >> 8; - s->lcyl = cyl; - s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); - s->sector = (r % s->sectors) + 1; - } -} - -static void ide_rw_error(IDEState *s) { - ide_abort_command(s); - ide_set_irq(s); -} - -static void ide_sector_read(IDEState *s) -{ - int64_t sector_num; - int ret, n; - - s->status = READY_STAT | SEEK_STAT; - s->error = 0; /* not needed by IDE spec, but needed by Windows */ - sector_num = ide_get_sector(s); - n = s->nsector; - if (n == 0) { - /* no more sector to read from disk */ - ide_transfer_stop(s); - } else { -#if defined(DEBUG_IDE) - printf("read sector=%" PRId64 "\n", sector_num); -#endif - if (n > s->req_nb_sectors) - n = s->req_nb_sectors; - ret = bdrv_read(s->bs, sector_num, s->io_buffer, n); - if (ret != 0) { - ide_rw_error(s); - return; - } - ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read); - ide_set_irq(s); - ide_set_sector(s, sector_num + n); - s->nsector -= n; - } -} - - -/* return 0 if buffer completed */ -static int dma_buf_prepare(BMDMAState *bm, int is_write) -{ - IDEState *s = bmdma_active_if(bm); - struct { - uint32_t addr; - uint32_t size; - } prd; - int l, len; - - qemu_sglist_init(&s->sg, s->nsector / (TARGET_PAGE_SIZE/512) + 1); - s->io_buffer_size = 0; - for(;;) { - if (bm->cur_prd_len == 0) { - /* end of table (with a fail safe of one page) */ - if (bm->cur_prd_last || - (bm->cur_addr - bm->addr) >= 4096) - return s->io_buffer_size != 0; - cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8); - bm->cur_addr += 8; - prd.addr = le32_to_cpu(prd.addr); - prd.size = le32_to_cpu(prd.size); - len = prd.size & 0xfffe; - if (len == 0) - len = 0x10000; - bm->cur_prd_len = len; - bm->cur_prd_addr = prd.addr; - bm->cur_prd_last = (prd.size & 0x80000000); - } - l = bm->cur_prd_len; - if (l > 0) { - qemu_sglist_add(&s->sg, bm->cur_prd_addr, l); - bm->cur_prd_addr += l; - bm->cur_prd_len -= l; - s->io_buffer_size += l; - } - } - return 1; -} - -static void dma_buf_commit(IDEState *s, int is_write) -{ - qemu_sglist_destroy(&s->sg); -} - -void ide_dma_error(IDEState *s) -{ - ide_transfer_stop(s); - s->error = ABRT_ERR; - s->status = READY_STAT | ERR_STAT; - ide_set_irq(s); -} - -static int ide_handle_write_error(IDEState *s, int error, int op) -{ - BlockInterfaceErrorAction action = drive_get_onerror(s->bs); - - if (action == BLOCK_ERR_IGNORE) - return 0; - - if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC) - || action == BLOCK_ERR_STOP_ANY) { - s->bus->bmdma->unit = s->unit; - s->bus->bmdma->status |= op; - vm_stop(0); - } else { - if (op == BM_STATUS_DMA_RETRY) { - dma_buf_commit(s, 0); - ide_dma_error(s); - } else { - ide_rw_error(s); - } - } - - return 1; -} - -/* return 0 if buffer completed */ -static int dma_buf_rw(BMDMAState *bm, int is_write) -{ - IDEState *s = bmdma_active_if(bm); - struct { - uint32_t addr; - uint32_t size; - } prd; - int l, len; - - for(;;) { - l = s->io_buffer_size - s->io_buffer_index; - if (l <= 0) - break; - if (bm->cur_prd_len == 0) { - /* end of table (with a fail safe of one page) */ - if (bm->cur_prd_last || - (bm->cur_addr - bm->addr) >= 4096) - return 0; - cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8); - bm->cur_addr += 8; - prd.addr = le32_to_cpu(prd.addr); - prd.size = le32_to_cpu(prd.size); - len = prd.size & 0xfffe; - if (len == 0) - len = 0x10000; - bm->cur_prd_len = len; - bm->cur_prd_addr = prd.addr; - bm->cur_prd_last = (prd.size & 0x80000000); - } - if (l > bm->cur_prd_len) - l = bm->cur_prd_len; - if (l > 0) { - if (is_write) { - cpu_physical_memory_write(bm->cur_prd_addr, - s->io_buffer + s->io_buffer_index, l); - } else { - cpu_physical_memory_read(bm->cur_prd_addr, - s->io_buffer + s->io_buffer_index, l); - } - bm->cur_prd_addr += l; - bm->cur_prd_len -= l; - s->io_buffer_index += l; - } - } - return 1; -} - -static void ide_read_dma_cb(void *opaque, int ret) -{ - BMDMAState *bm = opaque; - IDEState *s = bmdma_active_if(bm); - int n; - int64_t sector_num; - - if (ret < 0) { - dma_buf_commit(s, 1); - ide_dma_error(s); - return; - } - - n = s->io_buffer_size >> 9; - sector_num = ide_get_sector(s); - if (n > 0) { - dma_buf_commit(s, 1); - sector_num += n; - ide_set_sector(s, sector_num); - s->nsector -= n; - } - - /* end of transfer ? */ - if (s->nsector == 0) { - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - eot: - bm->status &= ~BM_STATUS_DMAING; - bm->status |= BM_STATUS_INT; - bm->dma_cb = NULL; - bm->unit = -1; - bm->aiocb = NULL; - return; - } - - /* launch next transfer */ - n = s->nsector; - s->io_buffer_index = 0; - s->io_buffer_size = n * 512; - if (dma_buf_prepare(bm, 1) == 0) - goto eot; -#ifdef DEBUG_AIO - printf("aio_read: sector_num=%" PRId64 " n=%d\n", sector_num, n); -#endif - bm->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, ide_read_dma_cb, bm); - ide_dma_submit_check(s, ide_read_dma_cb, bm); -} - -static void ide_sector_read_dma(IDEState *s) -{ - s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; - s->io_buffer_index = 0; - s->io_buffer_size = 0; - s->is_read = 1; - ide_dma_start(s, ide_read_dma_cb); -} - -static void ide_sector_write_timer_cb(void *opaque) -{ - IDEState *s = opaque; - ide_set_irq(s); -} - -static void ide_sector_write(IDEState *s) -{ - int64_t sector_num; - int ret, n, n1; - - s->status = READY_STAT | SEEK_STAT; - sector_num = ide_get_sector(s); -#if defined(DEBUG_IDE) - printf("write sector=%" PRId64 "\n", sector_num); -#endif - n = s->nsector; - if (n > s->req_nb_sectors) - n = s->req_nb_sectors; - ret = bdrv_write(s->bs, sector_num, s->io_buffer, n); - - if (ret != 0) { - if (ide_handle_write_error(s, -ret, BM_STATUS_PIO_RETRY)) - return; - } - - s->nsector -= n; - if (s->nsector == 0) { - /* no more sectors to write */ - ide_transfer_stop(s); - } else { - n1 = s->nsector; - if (n1 > s->req_nb_sectors) - n1 = s->req_nb_sectors; - ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write); - } - ide_set_sector(s, sector_num + n); - -#ifdef TARGET_I386 - if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { - /* It seems there is a bug in the Windows 2000 installer HDD - IDE driver which fills the disk with empty logs when the - IDE write IRQ comes too early. This hack tries to correct - that at the expense of slower write performances. Use this - option _only_ to install Windows 2000. You must disable it - for normal use. */ - qemu_mod_timer(s->sector_write_timer, - qemu_get_clock(vm_clock) + (ticks_per_sec / 1000)); - } else -#endif - { - ide_set_irq(s); - } -} - -static void ide_dma_restart_bh(void *opaque) -{ - BMDMAState *bm = opaque; - - qemu_bh_delete(bm->bh); - bm->bh = NULL; - - if (bm->status & BM_STATUS_DMA_RETRY) { - bm->status &= ~BM_STATUS_DMA_RETRY; - ide_dma_restart(bmdma_active_if(bm)); - } else if (bm->status & BM_STATUS_PIO_RETRY) { - bm->status &= ~BM_STATUS_PIO_RETRY; - ide_sector_write(bmdma_active_if(bm)); - } -} - -void ide_dma_restart_cb(void *opaque, int running, int reason) -{ - BMDMAState *bm = opaque; - - if (!running) - return; - - if (!bm->bh) { - bm->bh = qemu_bh_new(ide_dma_restart_bh, bm); - qemu_bh_schedule(bm->bh); - } -} - -static void ide_write_dma_cb(void *opaque, int ret) -{ - BMDMAState *bm = opaque; - IDEState *s = bmdma_active_if(bm); - int n; - int64_t sector_num; - - if (ret < 0) { - if (ide_handle_write_error(s, -ret, BM_STATUS_DMA_RETRY)) - return; - } - - n = s->io_buffer_size >> 9; - sector_num = ide_get_sector(s); - if (n > 0) { - dma_buf_commit(s, 0); - sector_num += n; - ide_set_sector(s, sector_num); - s->nsector -= n; - } - - /* end of transfer ? */ - if (s->nsector == 0) { - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - eot: - bm->status &= ~BM_STATUS_DMAING; - bm->status |= BM_STATUS_INT; - bm->dma_cb = NULL; - bm->unit = -1; - bm->aiocb = NULL; - return; - } - - n = s->nsector; - s->io_buffer_size = n * 512; - /* launch next transfer */ - if (dma_buf_prepare(bm, 0) == 0) - goto eot; -#ifdef DEBUG_AIO - printf("aio_write: sector_num=%" PRId64 " n=%d\n", sector_num, n); -#endif - bm->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, ide_write_dma_cb, bm); - ide_dma_submit_check(s, ide_write_dma_cb, bm); -} - -static void ide_sector_write_dma(IDEState *s) -{ - s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; - s->io_buffer_index = 0; - s->io_buffer_size = 0; - s->is_read = 0; - ide_dma_start(s, ide_write_dma_cb); -} - -void ide_atapi_cmd_ok(IDEState *s) -{ - s->error = 0; - s->status = READY_STAT | SEEK_STAT; - s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; - ide_set_irq(s); -} - -void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc) -{ -#ifdef DEBUG_IDE_ATAPI - printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc); -#endif - s->error = sense_key << 4; - s->status = READY_STAT | ERR_STAT; - s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; - s->sense_key = sense_key; - s->asc = asc; - ide_set_irq(s); -} - -static void ide_atapi_cmd_check_status(IDEState *s) -{ -#ifdef DEBUG_IDE_ATAPI - printf("atapi_cmd_check_status\n"); -#endif - s->error = MC_ERR | (SENSE_UNIT_ATTENTION << 4); - s->status = ERR_STAT; - s->nsector = 0; - ide_set_irq(s); -} - -static inline void cpu_to_ube16(uint8_t *buf, int val) -{ - buf[0] = val >> 8; - buf[1] = val & 0xff; -} - -static inline void cpu_to_ube32(uint8_t *buf, unsigned int val) -{ - buf[0] = val >> 24; - buf[1] = val >> 16; - buf[2] = val >> 8; - buf[3] = val & 0xff; -} - -static inline int ube16_to_cpu(const uint8_t *buf) -{ - return (buf[0] << 8) | buf[1]; -} - -static inline int ube32_to_cpu(const uint8_t *buf) -{ - return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; -} - -static void lba_to_msf(uint8_t *buf, int lba) -{ - lba += 150; - buf[0] = (lba / 75) / 60; - buf[1] = (lba / 75) % 60; - buf[2] = lba % 75; -} - -static void cd_data_to_raw(uint8_t *buf, int lba) -{ - /* sync bytes */ - buf[0] = 0x00; - memset(buf + 1, 0xff, 10); - buf[11] = 0x00; - buf += 12; - /* MSF */ - lba_to_msf(buf, lba); - buf[3] = 0x01; /* mode 1 data */ - buf += 4; - /* data */ - buf += 2048; - /* XXX: ECC not computed */ - memset(buf, 0, 288); -} - -static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf, - int sector_size) -{ - int ret; - - switch(sector_size) { - case 2048: - ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4); - break; - case 2352: - ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4); - if (ret < 0) - return ret; - cd_data_to_raw(buf, lba); - break; - default: - ret = -EIO; - break; - } - return ret; -} - -void ide_atapi_io_error(IDEState *s, int ret) -{ - /* XXX: handle more errors */ - if (ret == -ENOMEDIUM) { - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - } else { - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_LOGICAL_BLOCK_OOR); - } -} - -/* The whole ATAPI transfer logic is handled in this function */ -static void ide_atapi_cmd_reply_end(IDEState *s) -{ - int byte_count_limit, size, ret; -#ifdef DEBUG_IDE_ATAPI - printf("reply: tx_size=%d elem_tx_size=%d index=%d\n", - s->packet_transfer_size, - s->elementary_transfer_size, - s->io_buffer_index); -#endif - if (s->packet_transfer_size <= 0) { - /* end of transfer */ - ide_transfer_stop(s); - s->status = READY_STAT | SEEK_STAT; - s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; - ide_set_irq(s); -#ifdef DEBUG_IDE_ATAPI - printf("status=0x%x\n", s->status); -#endif - } else { - /* see if a new sector must be read */ - if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) { - ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size); - if (ret < 0) { - ide_transfer_stop(s); - ide_atapi_io_error(s, ret); - return; - } - s->lba++; - s->io_buffer_index = 0; - } - if (s->elementary_transfer_size > 0) { - /* there are some data left to transmit in this elementary - transfer */ - size = s->cd_sector_size - s->io_buffer_index; - if (size > s->elementary_transfer_size) - size = s->elementary_transfer_size; - ide_transfer_start(s, s->io_buffer + s->io_buffer_index, - size, ide_atapi_cmd_reply_end); - s->packet_transfer_size -= size; - s->elementary_transfer_size -= size; - s->io_buffer_index += size; - } else { - /* a new transfer is needed */ - s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO; - byte_count_limit = s->lcyl | (s->hcyl << 8); -#ifdef DEBUG_IDE_ATAPI - printf("byte_count_limit=%d\n", byte_count_limit); -#endif - if (byte_count_limit == 0xffff) - byte_count_limit--; - size = s->packet_transfer_size; - if (size > byte_count_limit) { - /* byte count limit must be even if this case */ - if (byte_count_limit & 1) - byte_count_limit--; - size = byte_count_limit; - } - s->lcyl = size; - s->hcyl = size >> 8; - s->elementary_transfer_size = size; - /* we cannot transmit more than one sector at a time */ - if (s->lba != -1) { - if (size > (s->cd_sector_size - s->io_buffer_index)) - size = (s->cd_sector_size - s->io_buffer_index); - } - ide_transfer_start(s, s->io_buffer + s->io_buffer_index, - size, ide_atapi_cmd_reply_end); - s->packet_transfer_size -= size; - s->elementary_transfer_size -= size; - s->io_buffer_index += size; - ide_set_irq(s); -#ifdef DEBUG_IDE_ATAPI - printf("status=0x%x\n", s->status); -#endif - } - } -} - -/* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */ -static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) -{ - if (size > max_size) - size = max_size; - s->lba = -1; /* no sector read */ - s->packet_transfer_size = size; - s->io_buffer_size = size; /* dma: send the reply data as one chunk */ - s->elementary_transfer_size = 0; - s->io_buffer_index = 0; - - if (s->atapi_dma) { - s->status = READY_STAT | SEEK_STAT | DRQ_STAT; - ide_dma_start(s, ide_atapi_cmd_read_dma_cb); - } else { - s->status = READY_STAT | SEEK_STAT; - ide_atapi_cmd_reply_end(s); - } -} - -/* start a CD-CDROM read command */ -static void ide_atapi_cmd_read_pio(IDEState *s, int lba, int nb_sectors, - int sector_size) -{ - s->lba = lba; - s->packet_transfer_size = nb_sectors * sector_size; - s->elementary_transfer_size = 0; - s->io_buffer_index = sector_size; - s->cd_sector_size = sector_size; - - s->status = READY_STAT | SEEK_STAT; - ide_atapi_cmd_reply_end(s); -} - -/* ATAPI DMA support */ - -/* XXX: handle read errors */ -static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret) -{ - BMDMAState *bm = opaque; - IDEState *s = bmdma_active_if(bm); - int data_offset, n; - - if (ret < 0) { - ide_atapi_io_error(s, ret); - goto eot; - } - - if (s->io_buffer_size > 0) { - /* - * For a cdrom read sector command (s->lba != -1), - * adjust the lba for the next s->io_buffer_size chunk - * and dma the current chunk. - * For a command != read (s->lba == -1), just transfer - * the reply data. - */ - if (s->lba != -1) { - if (s->cd_sector_size == 2352) { - n = 1; - cd_data_to_raw(s->io_buffer, s->lba); - } else { - n = s->io_buffer_size >> 11; - } - s->lba += n; - } - s->packet_transfer_size -= s->io_buffer_size; - if (dma_buf_rw(bm, 1) == 0) - goto eot; - } - - if (s->packet_transfer_size <= 0) { - s->status = READY_STAT | SEEK_STAT; - s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; - ide_set_irq(s); - eot: - bm->status &= ~BM_STATUS_DMAING; - bm->status |= BM_STATUS_INT; - bm->dma_cb = NULL; - bm->unit = -1; - bm->aiocb = NULL; - return; - } - - s->io_buffer_index = 0; - if (s->cd_sector_size == 2352) { - n = 1; - s->io_buffer_size = s->cd_sector_size; - data_offset = 16; - } else { - n = s->packet_transfer_size >> 11; - if (n > (IDE_DMA_BUF_SECTORS / 4)) - n = (IDE_DMA_BUF_SECTORS / 4); - s->io_buffer_size = n * 2048; - data_offset = 0; - } -#ifdef DEBUG_AIO - printf("aio_read_cd: lba=%u n=%d\n", s->lba, n); -#endif - bm->iov.iov_base = (void *)(s->io_buffer + data_offset); - bm->iov.iov_len = n * 4 * 512; - qemu_iovec_init_external(&bm->qiov, &bm->iov, 1); - bm->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2, &bm->qiov, - n * 4, ide_atapi_cmd_read_dma_cb, bm); - if (!bm->aiocb) { - /* Note: media not present is the most likely case */ - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - goto eot; - } -} - -/* start a CD-CDROM read command with DMA */ -/* XXX: test if DMA is available */ -static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors, - int sector_size) -{ - s->lba = lba; - s->packet_transfer_size = nb_sectors * sector_size; - s->io_buffer_index = 0; - s->io_buffer_size = 0; - s->cd_sector_size = sector_size; - - /* XXX: check if BUSY_STAT should be set */ - s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; - ide_dma_start(s, ide_atapi_cmd_read_dma_cb); -} - -static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors, - int sector_size) -{ -#ifdef DEBUG_IDE_ATAPI - printf("read %s: LBA=%d nb_sectors=%d\n", s->atapi_dma ? "dma" : "pio", - lba, nb_sectors); -#endif - if (s->atapi_dma) { - ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size); - } else { - ide_atapi_cmd_read_pio(s, lba, nb_sectors, sector_size); - } -} - -static inline uint8_t ide_atapi_set_profile(uint8_t *buf, uint8_t *index, - uint16_t profile) -{ - uint8_t *buf_profile = buf + 12; /* start of profiles */ - - buf_profile += ((*index) * 4); /* start of indexed profile */ - cpu_to_ube16 (buf_profile, profile); - buf_profile[2] = ((buf_profile[0] == buf[6]) && (buf_profile[1] == buf[7])); - - /* each profile adds 4 bytes to the response */ - (*index)++; - buf[11] += 4; /* Additional Length */ - - return 4; -} - -static int ide_dvd_read_structure(IDEState *s, int format, - const uint8_t *packet, uint8_t *buf) -{ - switch (format) { - case 0x0: /* Physical format information */ - { - int layer = packet[6]; - uint64_t total_sectors; - - if (layer != 0) - return -ASC_INV_FIELD_IN_CMD_PACKET; - - bdrv_get_geometry(s->bs, &total_sectors); - total_sectors >>= 2; - if (total_sectors == 0) - return -ASC_MEDIUM_NOT_PRESENT; - - buf[4] = 1; /* DVD-ROM, part version 1 */ - buf[5] = 0xf; /* 120mm disc, minimum rate unspecified */ - buf[6] = 1; /* one layer, read-only (per MMC-2 spec) */ - buf[7] = 0; /* default densities */ - - /* FIXME: 0x30000 per spec? */ - cpu_to_ube32(buf + 8, 0); /* start sector */ - cpu_to_ube32(buf + 12, total_sectors - 1); /* end sector */ - cpu_to_ube32(buf + 16, total_sectors - 1); /* l0 end sector */ - - /* Size of buffer, not including 2 byte size field */ - cpu_to_be16wu((uint16_t *)buf, 2048 + 2); - - /* 2k data + 4 byte header */ - return (2048 + 4); - } - - case 0x01: /* DVD copyright information */ - buf[4] = 0; /* no copyright data */ - buf[5] = 0; /* no region restrictions */ - - /* Size of buffer, not including 2 byte size field */ - cpu_to_be16wu((uint16_t *)buf, 4 + 2); - - /* 4 byte header + 4 byte data */ - return (4 + 4); - - case 0x03: /* BCA information - invalid field for no BCA info */ - return -ASC_INV_FIELD_IN_CMD_PACKET; - - case 0x04: /* DVD disc manufacturing information */ - /* Size of buffer, not including 2 byte size field */ - cpu_to_be16wu((uint16_t *)buf, 2048 + 2); - - /* 2k data + 4 byte header */ - return (2048 + 4); - - case 0xff: - /* - * This lists all the command capabilities above. Add new ones - * in order and update the length and buffer return values. - */ - - buf[4] = 0x00; /* Physical format */ - buf[5] = 0x40; /* Not writable, is readable */ - cpu_to_be16wu((uint16_t *)(buf + 6), 2048 + 4); - - buf[8] = 0x01; /* Copyright info */ - buf[9] = 0x40; /* Not writable, is readable */ - cpu_to_be16wu((uint16_t *)(buf + 10), 4 + 4); - - buf[12] = 0x03; /* BCA info */ - buf[13] = 0x40; /* Not writable, is readable */ - cpu_to_be16wu((uint16_t *)(buf + 14), 188 + 4); - - buf[16] = 0x04; /* Manufacturing info */ - buf[17] = 0x40; /* Not writable, is readable */ - cpu_to_be16wu((uint16_t *)(buf + 18), 2048 + 4); - - /* Size of buffer, not including 2 byte size field */ - cpu_to_be16wu((uint16_t *)buf, 16 + 2); - - /* data written + 4 byte header */ - return (16 + 4); - - default: /* TODO: formats beyond DVD-ROM requires */ - return -ASC_INV_FIELD_IN_CMD_PACKET; - } -} - -static void ide_atapi_cmd(IDEState *s) -{ - const uint8_t *packet; - uint8_t *buf; - int max_len; - - packet = s->io_buffer; - buf = s->io_buffer; -#ifdef DEBUG_IDE_ATAPI - { - int i; - printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8)); - for(i = 0; i < ATAPI_PACKET_SIZE; i++) { - printf(" %02x", packet[i]); - } - printf("\n"); - } -#endif - /* If there's a UNIT_ATTENTION condition pending, only - REQUEST_SENSE and INQUIRY commands are allowed to complete. */ - if (s->sense_key == SENSE_UNIT_ATTENTION && - s->io_buffer[0] != GPCMD_REQUEST_SENSE && - s->io_buffer[0] != GPCMD_INQUIRY) { - ide_atapi_cmd_check_status(s); - return; - } - switch(s->io_buffer[0]) { - case GPCMD_TEST_UNIT_READY: - if (bdrv_is_inserted(s->bs) && !s->cdrom_changed) { - ide_atapi_cmd_ok(s); - } else { - s->cdrom_changed = 0; - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - } - break; - case GPCMD_MODE_SENSE_6: - case GPCMD_MODE_SENSE_10: - { - int action, code; - if (packet[0] == GPCMD_MODE_SENSE_10) - max_len = ube16_to_cpu(packet + 7); - else - max_len = packet[4]; - action = packet[2] >> 6; - code = packet[2] & 0x3f; - switch(action) { - case 0: /* current values */ - switch(code) { - case 0x01: /* error recovery */ - cpu_to_ube16(&buf[0], 16 + 6); - buf[2] = 0x70; - buf[3] = 0; - buf[4] = 0; - buf[5] = 0; - buf[6] = 0; - buf[7] = 0; - - buf[8] = 0x01; - buf[9] = 0x06; - buf[10] = 0x00; - buf[11] = 0x05; - buf[12] = 0x00; - buf[13] = 0x00; - buf[14] = 0x00; - buf[15] = 0x00; - ide_atapi_cmd_reply(s, 16, max_len); - break; - case 0x2a: - cpu_to_ube16(&buf[0], 28 + 6); - buf[2] = 0x70; - buf[3] = 0; - buf[4] = 0; - buf[5] = 0; - buf[6] = 0; - buf[7] = 0; - - buf[8] = 0x2a; - buf[9] = 0x12; - buf[10] = 0x00; - buf[11] = 0x00; - - /* Claim PLAY_AUDIO capability (0x01) since some Linux - code checks for this to automount media. */ - buf[12] = 0x71; - buf[13] = 3 << 5; - buf[14] = (1 << 0) | (1 << 3) | (1 << 5); - if (bdrv_is_locked(s->bs)) - buf[6] |= 1 << 1; - buf[15] = 0x00; - cpu_to_ube16(&buf[16], 706); - buf[18] = 0; - buf[19] = 2; - cpu_to_ube16(&buf[20], 512); - cpu_to_ube16(&buf[22], 706); - buf[24] = 0; - buf[25] = 0; - buf[26] = 0; - buf[27] = 0; - ide_atapi_cmd_reply(s, 28, max_len); - break; - default: - goto error_cmd; - } - break; - case 1: /* changeable values */ - goto error_cmd; - case 2: /* default values */ - goto error_cmd; - default: - case 3: /* saved values */ - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_SAVING_PARAMETERS_NOT_SUPPORTED); - break; - } - } - break; - case GPCMD_REQUEST_SENSE: - max_len = packet[4]; - memset(buf, 0, 18); - buf[0] = 0x70 | (1 << 7); - buf[2] = s->sense_key; - buf[7] = 10; - buf[12] = s->asc; - if (s->sense_key == SENSE_UNIT_ATTENTION) - s->sense_key = SENSE_NONE; - ide_atapi_cmd_reply(s, 18, max_len); - break; - case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL: - if (bdrv_is_inserted(s->bs)) { - bdrv_set_locked(s->bs, packet[4] & 1); - ide_atapi_cmd_ok(s); - } else { - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - } - break; - case GPCMD_READ_10: - case GPCMD_READ_12: - { - int nb_sectors, lba; - - if (packet[0] == GPCMD_READ_10) - nb_sectors = ube16_to_cpu(packet + 7); - else - nb_sectors = ube32_to_cpu(packet + 6); - lba = ube32_to_cpu(packet + 2); - if (nb_sectors == 0) { - ide_atapi_cmd_ok(s); - break; - } - ide_atapi_cmd_read(s, lba, nb_sectors, 2048); - } - break; - case GPCMD_READ_CD: - { - int nb_sectors, lba, transfer_request; - - nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8]; - lba = ube32_to_cpu(packet + 2); - if (nb_sectors == 0) { - ide_atapi_cmd_ok(s); - break; - } - transfer_request = packet[9]; - switch(transfer_request & 0xf8) { - case 0x00: - /* nothing */ - ide_atapi_cmd_ok(s); - break; - case 0x10: - /* normal read */ - ide_atapi_cmd_read(s, lba, nb_sectors, 2048); - break; - case 0xf8: - /* read all data */ - ide_atapi_cmd_read(s, lba, nb_sectors, 2352); - break; - default: - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INV_FIELD_IN_CMD_PACKET); - break; - } - } - break; - case GPCMD_SEEK: - { - unsigned int lba; - uint64_t total_sectors; - - bdrv_get_geometry(s->bs, &total_sectors); - total_sectors >>= 2; - if (total_sectors == 0) { - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - break; - } - lba = ube32_to_cpu(packet + 2); - if (lba >= total_sectors) { - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_LOGICAL_BLOCK_OOR); - break; - } - ide_atapi_cmd_ok(s); - } - break; - case GPCMD_START_STOP_UNIT: - { - int start, eject, err = 0; - start = packet[4] & 1; - eject = (packet[4] >> 1) & 1; - - if (eject) { - err = bdrv_eject(s->bs, !start); - } - - switch (err) { - case 0: - ide_atapi_cmd_ok(s); - break; - case -EBUSY: - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIA_REMOVAL_PREVENTED); - break; - default: - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - break; - } - } - break; - case GPCMD_MECHANISM_STATUS: - { - max_len = ube16_to_cpu(packet + 8); - cpu_to_ube16(buf, 0); - /* no current LBA */ - buf[2] = 0; - buf[3] = 0; - buf[4] = 0; - buf[5] = 1; - cpu_to_ube16(buf + 6, 0); - ide_atapi_cmd_reply(s, 8, max_len); - } - break; - case GPCMD_READ_TOC_PMA_ATIP: - { - int format, msf, start_track, len; - uint64_t total_sectors; - - bdrv_get_geometry(s->bs, &total_sectors); - total_sectors >>= 2; - if (total_sectors == 0) { - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - break; - } - max_len = ube16_to_cpu(packet + 7); - format = packet[9] >> 6; - msf = (packet[1] >> 1) & 1; - start_track = packet[6]; - switch(format) { - case 0: - len = cdrom_read_toc(total_sectors, buf, msf, start_track); - if (len < 0) - goto error_cmd; - ide_atapi_cmd_reply(s, len, max_len); - break; - case 1: - /* multi session : only a single session defined */ - memset(buf, 0, 12); - buf[1] = 0x0a; - buf[2] = 0x01; - buf[3] = 0x01; - ide_atapi_cmd_reply(s, 12, max_len); - break; - case 2: - len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track); - if (len < 0) - goto error_cmd; - ide_atapi_cmd_reply(s, len, max_len); - break; - default: - error_cmd: - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INV_FIELD_IN_CMD_PACKET); - break; - } - } - break; - case GPCMD_READ_CDVD_CAPACITY: - { - uint64_t total_sectors; - - bdrv_get_geometry(s->bs, &total_sectors); - total_sectors >>= 2; - if (total_sectors == 0) { - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - break; - } - /* NOTE: it is really the number of sectors minus 1 */ - cpu_to_ube32(buf, total_sectors - 1); - cpu_to_ube32(buf + 4, 2048); - ide_atapi_cmd_reply(s, 8, 8); - } - break; - case GPCMD_READ_DVD_STRUCTURE: - { - int media = packet[1]; - int format = packet[7]; - int ret; - - max_len = ube16_to_cpu(packet + 8); - - if (format < 0xff) { - if (media_is_cd(s)) { - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INCOMPATIBLE_FORMAT); - break; - } else if (!media_present(s)) { - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INV_FIELD_IN_CMD_PACKET); - break; - } - } - - memset(buf, 0, max_len > IDE_DMA_BUF_SECTORS * 512 + 4 ? - IDE_DMA_BUF_SECTORS * 512 + 4 : max_len); - - switch (format) { - case 0x00 ... 0x7f: - case 0xff: - if (media == 0) { - ret = ide_dvd_read_structure(s, format, packet, buf); - - if (ret < 0) - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, -ret); - else - ide_atapi_cmd_reply(s, ret, max_len); - - break; - } - /* TODO: BD support, fall through for now */ - - /* Generic disk structures */ - case 0x80: /* TODO: AACS volume identifier */ - case 0x81: /* TODO: AACS media serial number */ - case 0x82: /* TODO: AACS media identifier */ - case 0x83: /* TODO: AACS media key block */ - case 0x90: /* TODO: List of recognized format layers */ - case 0xc0: /* TODO: Write protection status */ - default: - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INV_FIELD_IN_CMD_PACKET); - break; - } - } - break; - case GPCMD_SET_SPEED: - ide_atapi_cmd_ok(s); - break; - case GPCMD_INQUIRY: - max_len = packet[4]; - buf[0] = 0x05; /* CD-ROM */ - buf[1] = 0x80; /* removable */ - buf[2] = 0x00; /* ISO */ - buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */ - buf[4] = 31; /* additional length */ - buf[5] = 0; /* reserved */ - buf[6] = 0; /* reserved */ - buf[7] = 0; /* reserved */ - padstr8(buf + 8, 8, "QEMU"); - padstr8(buf + 16, 16, "QEMU DVD-ROM"); - padstr8(buf + 32, 4, QEMU_VERSION); - ide_atapi_cmd_reply(s, 36, max_len); - break; - case GPCMD_GET_CONFIGURATION: - { - uint32_t len; - uint8_t index = 0; - - /* only feature 0 is supported */ - if (packet[2] != 0 || packet[3] != 0) { - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INV_FIELD_IN_CMD_PACKET); - break; - } - - /* XXX: could result in alignment problems in some architectures */ - max_len = ube16_to_cpu(packet + 7); - - /* - * XXX: avoid overflow for io_buffer if max_len is bigger than - * the size of that buffer (dimensioned to max number of - * sectors to transfer at once) - * - * Only a problem if the feature/profiles grow. - */ - if (max_len > 512) /* XXX: assume 1 sector */ - max_len = 512; - - memset(buf, 0, max_len); - /* - * the number of sectors from the media tells us which profile - * to use as current. 0 means there is no media - */ - if (media_is_dvd(s)) - cpu_to_ube16(buf + 6, MMC_PROFILE_DVD_ROM); - else if (media_is_cd(s)) - cpu_to_ube16(buf + 6, MMC_PROFILE_CD_ROM); - - buf[10] = 0x02 | 0x01; /* persistent and current */ - len = 12; /* headers: 8 + 4 */ - len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_DVD_ROM); - len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_CD_ROM); - cpu_to_ube32(buf, len - 4); /* data length */ - - ide_atapi_cmd_reply(s, len, max_len); - break; - } - default: - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_ILLEGAL_OPCODE); - break; - } -} - -static void ide_cfata_metadata_inquiry(IDEState *s) -{ - uint16_t *p; - uint32_t spd; - - p = (uint16_t *) s->io_buffer; - memset(p, 0, 0x200); - spd = ((s->mdata_size - 1) >> 9) + 1; - - put_le16(p + 0, 0x0001); /* Data format revision */ - put_le16(p + 1, 0x0000); /* Media property: silicon */ - put_le16(p + 2, s->media_changed); /* Media status */ - put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ - put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ - put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ - put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ -} - -static void ide_cfata_metadata_read(IDEState *s) -{ - uint16_t *p; - - if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { - s->status = ERR_STAT; - s->error = ABRT_ERR; - return; - } - - p = (uint16_t *) s->io_buffer; - memset(p, 0, 0x200); - - put_le16(p + 0, s->media_changed); /* Media status */ - memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), - MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), - s->nsector << 9), 0x200 - 2)); -} - -static void ide_cfata_metadata_write(IDEState *s) -{ - if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { - s->status = ERR_STAT; - s->error = ABRT_ERR; - return; - } - - s->media_changed = 0; - - memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), - s->io_buffer + 2, - MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), - s->nsector << 9), 0x200 - 2)); -} - -/* called when the inserted state of the media has changed */ -static void cdrom_change_cb(void *opaque) -{ - IDEState *s = opaque; - uint64_t nb_sectors; - - bdrv_get_geometry(s->bs, &nb_sectors); - s->nb_sectors = nb_sectors; - - s->sense_key = SENSE_UNIT_ATTENTION; - s->asc = ASC_MEDIUM_MAY_HAVE_CHANGED; - s->cdrom_changed = 1; - ide_set_irq(s); -} - -static void ide_cmd_lba48_transform(IDEState *s, int lba48) -{ - s->lba48 = lba48; - - /* handle the 'magic' 0 nsector count conversion here. to avoid - * fiddling with the rest of the read logic, we just store the - * full sector count in ->nsector and ignore ->hob_nsector from now - */ - if (!s->lba48) { - if (!s->nsector) - s->nsector = 256; - } else { - if (!s->nsector && !s->hob_nsector) - s->nsector = 65536; - else { - int lo = s->nsector; - int hi = s->hob_nsector; - - s->nsector = (hi << 8) | lo; - } - } -} - -static void ide_clear_hob(IDEBus *bus) -{ - /* any write clears HOB high bit of device control register */ - bus->ifs[0].select &= ~(1 << 7); - bus->ifs[1].select &= ~(1 << 7); -} - -void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) -{ - IDEBus *bus = opaque; - IDEState *s; - int n; - int lba48 = 0; - -#ifdef DEBUG_IDE - printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); -#endif - - addr &= 7; - - /* ignore writes to command block while busy with previous command */ - if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) - return; - - switch(addr) { - case 0: - break; - case 1: - ide_clear_hob(bus); - /* NOTE: data is written to the two drives */ - bus->ifs[0].hob_feature = bus->ifs[0].feature; - bus->ifs[1].hob_feature = bus->ifs[1].feature; - bus->ifs[0].feature = val; - bus->ifs[1].feature = val; - break; - case 2: - ide_clear_hob(bus); - bus->ifs[0].hob_nsector = bus->ifs[0].nsector; - bus->ifs[1].hob_nsector = bus->ifs[1].nsector; - bus->ifs[0].nsector = val; - bus->ifs[1].nsector = val; - break; - case 3: - ide_clear_hob(bus); - bus->ifs[0].hob_sector = bus->ifs[0].sector; - bus->ifs[1].hob_sector = bus->ifs[1].sector; - bus->ifs[0].sector = val; - bus->ifs[1].sector = val; - break; - case 4: - ide_clear_hob(bus); - bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl; - bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl; - bus->ifs[0].lcyl = val; - bus->ifs[1].lcyl = val; - break; - case 5: - ide_clear_hob(bus); - bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl; - bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl; - bus->ifs[0].hcyl = val; - bus->ifs[1].hcyl = val; - break; - case 6: - /* FIXME: HOB readback uses bit 7 */ - bus->ifs[0].select = (val & ~0x10) | 0xa0; - bus->ifs[1].select = (val | 0x10) | 0xa0; - /* select drive */ - bus->unit = (val >> 4) & 1; - break; - default: - case 7: - /* command */ -#if defined(DEBUG_IDE) - printf("ide: CMD=%02x\n", val); -#endif - s = idebus_active_if(bus); - /* ignore commands to non existant slave */ - if (s != bus->ifs && !s->bs) - break; - - /* Only DEVICE RESET is allowed while BSY or/and DRQ are set */ - if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET) - break; - - switch(val) { - case WIN_IDENTIFY: - if (s->bs && !s->is_cdrom) { - if (!s->is_cf) - ide_identify(s); - else - ide_cfata_identify(s); - s->status = READY_STAT | SEEK_STAT; - ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); - } else { - if (s->is_cdrom) { - ide_set_signature(s); - } - ide_abort_command(s); - } - ide_set_irq(s); - break; - case WIN_SPECIFY: - case WIN_RECAL: - s->error = 0; - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case WIN_SETMULT: - if (s->is_cf && s->nsector == 0) { - /* Disable Read and Write Multiple */ - s->mult_sectors = 0; - s->status = READY_STAT | SEEK_STAT; - } else if ((s->nsector & 0xff) != 0 && - ((s->nsector & 0xff) > MAX_MULT_SECTORS || - (s->nsector & (s->nsector - 1)) != 0)) { - ide_abort_command(s); - } else { - s->mult_sectors = s->nsector & 0xff; - s->status = READY_STAT | SEEK_STAT; - } - ide_set_irq(s); - break; - case WIN_VERIFY_EXT: - lba48 = 1; - case WIN_VERIFY: - case WIN_VERIFY_ONCE: - /* do sector number check ? */ - ide_cmd_lba48_transform(s, lba48); - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case WIN_READ_EXT: - lba48 = 1; - case WIN_READ: - case WIN_READ_ONCE: - if (!s->bs) - goto abort_cmd; - ide_cmd_lba48_transform(s, lba48); - s->req_nb_sectors = 1; - ide_sector_read(s); - break; - case WIN_WRITE_EXT: - lba48 = 1; - case WIN_WRITE: - case WIN_WRITE_ONCE: - case CFA_WRITE_SECT_WO_ERASE: - case WIN_WRITE_VERIFY: - ide_cmd_lba48_transform(s, lba48); - s->error = 0; - s->status = SEEK_STAT | READY_STAT; - s->req_nb_sectors = 1; - ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); - s->media_changed = 1; - break; - case WIN_MULTREAD_EXT: - lba48 = 1; - case WIN_MULTREAD: - if (!s->mult_sectors) - goto abort_cmd; - ide_cmd_lba48_transform(s, lba48); - s->req_nb_sectors = s->mult_sectors; - ide_sector_read(s); - break; - case WIN_MULTWRITE_EXT: - lba48 = 1; - case WIN_MULTWRITE: - case CFA_WRITE_MULTI_WO_ERASE: - if (!s->mult_sectors) - goto abort_cmd; - ide_cmd_lba48_transform(s, lba48); - s->error = 0; - s->status = SEEK_STAT | READY_STAT; - s->req_nb_sectors = s->mult_sectors; - n = s->nsector; - if (n > s->req_nb_sectors) - n = s->req_nb_sectors; - ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write); - s->media_changed = 1; - break; - case WIN_READDMA_EXT: - lba48 = 1; - case WIN_READDMA: - case WIN_READDMA_ONCE: - if (!s->bs) - goto abort_cmd; - ide_cmd_lba48_transform(s, lba48); - ide_sector_read_dma(s); - break; - case WIN_WRITEDMA_EXT: - lba48 = 1; - case WIN_WRITEDMA: - case WIN_WRITEDMA_ONCE: - if (!s->bs) - goto abort_cmd; - ide_cmd_lba48_transform(s, lba48); - ide_sector_write_dma(s); - s->media_changed = 1; - break; - case WIN_READ_NATIVE_MAX_EXT: - lba48 = 1; - case WIN_READ_NATIVE_MAX: - ide_cmd_lba48_transform(s, lba48); - ide_set_sector(s, s->nb_sectors - 1); - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case WIN_CHECKPOWERMODE1: - case WIN_CHECKPOWERMODE2: - s->nsector = 0xff; /* device active or idle */ - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case WIN_SETFEATURES: - if (!s->bs) - goto abort_cmd; - /* XXX: valid for CDROM ? */ - switch(s->feature) { - case 0xcc: /* reverting to power-on defaults enable */ - case 0x66: /* reverting to power-on defaults disable */ - case 0x02: /* write cache enable */ - case 0x82: /* write cache disable */ - case 0xaa: /* read look-ahead enable */ - case 0x55: /* read look-ahead disable */ - case 0x05: /* set advanced power management mode */ - case 0x85: /* disable advanced power management mode */ - case 0x69: /* NOP */ - case 0x67: /* NOP */ - case 0x96: /* NOP */ - case 0x9a: /* NOP */ - case 0x42: /* enable Automatic Acoustic Mode */ - case 0xc2: /* disable Automatic Acoustic Mode */ - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case 0x03: { /* set transfer mode */ - uint8_t val = s->nsector & 0x07; - - switch (s->nsector >> 3) { - case 0x00: /* pio default */ - case 0x01: /* pio mode */ - put_le16(s->identify_data + 62,0x07); - put_le16(s->identify_data + 63,0x07); - put_le16(s->identify_data + 88,0x3f); - break; - case 0x02: /* sigle word dma mode*/ - put_le16(s->identify_data + 62,0x07 | (1 << (val + 8))); - put_le16(s->identify_data + 63,0x07); - put_le16(s->identify_data + 88,0x3f); - break; - case 0x04: /* mdma mode */ - put_le16(s->identify_data + 62,0x07); - put_le16(s->identify_data + 63,0x07 | (1 << (val + 8))); - put_le16(s->identify_data + 88,0x3f); - break; - case 0x08: /* udma mode */ - put_le16(s->identify_data + 62,0x07); - put_le16(s->identify_data + 63,0x07); - put_le16(s->identify_data + 88,0x3f | (1 << (val + 8))); - break; - default: - goto abort_cmd; - } - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - } - default: - goto abort_cmd; - } - break; - case WIN_FLUSH_CACHE: - case WIN_FLUSH_CACHE_EXT: - if (s->bs) - bdrv_flush(s->bs); - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case WIN_STANDBY: - case WIN_STANDBY2: - case WIN_STANDBYNOW1: - case WIN_STANDBYNOW2: - case WIN_IDLEIMMEDIATE: - case CFA_IDLEIMMEDIATE: - case WIN_SETIDLE1: - case WIN_SETIDLE2: - case WIN_SLEEPNOW1: - case WIN_SLEEPNOW2: - s->status = READY_STAT; - ide_set_irq(s); - break; - case WIN_SEEK: - if(s->is_cdrom) - goto abort_cmd; - /* XXX: Check that seek is within bounds */ - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - /* ATAPI commands */ - case WIN_PIDENTIFY: - if (s->is_cdrom) { - ide_atapi_identify(s); - s->status = READY_STAT | SEEK_STAT; - ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); - } else { - ide_abort_command(s); - } - ide_set_irq(s); - break; - case WIN_DIAGNOSE: - ide_set_signature(s); - if (s->is_cdrom) - s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet - * devices to return a clear status register - * with READY_STAT *not* set. */ - else - s->status = READY_STAT | SEEK_STAT; - s->error = 0x01; /* Device 0 passed, Device 1 passed or not - * present. - */ - ide_set_irq(s); - break; - case WIN_SRST: - if (!s->is_cdrom) - goto abort_cmd; - ide_set_signature(s); - s->status = 0x00; /* NOTE: READY is _not_ set */ - s->error = 0x01; - break; - case WIN_PACKETCMD: - if (!s->is_cdrom) - goto abort_cmd; - /* overlapping commands not supported */ - if (s->feature & 0x02) - goto abort_cmd; - s->status = READY_STAT | SEEK_STAT; - s->atapi_dma = s->feature & 1; - s->nsector = 1; - ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, - ide_atapi_cmd); - break; - /* CF-ATA commands */ - case CFA_REQ_EXT_ERROR_CODE: - if (!s->is_cf) - goto abort_cmd; - s->error = 0x09; /* miscellaneous error */ - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case CFA_ERASE_SECTORS: - case CFA_WEAR_LEVEL: - if (!s->is_cf) - goto abort_cmd; - if (val == CFA_WEAR_LEVEL) - s->nsector = 0; - if (val == CFA_ERASE_SECTORS) - s->media_changed = 1; - s->error = 0x00; - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case CFA_TRANSLATE_SECTOR: - if (!s->is_cf) - goto abort_cmd; - s->error = 0x00; - s->status = READY_STAT | SEEK_STAT; - memset(s->io_buffer, 0, 0x200); - s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ - s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ - s->io_buffer[0x02] = s->select; /* Head */ - s->io_buffer[0x03] = s->sector; /* Sector */ - s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ - s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ - s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ - s->io_buffer[0x13] = 0x00; /* Erase flag */ - s->io_buffer[0x18] = 0x00; /* Hot count */ - s->io_buffer[0x19] = 0x00; /* Hot count */ - s->io_buffer[0x1a] = 0x01; /* Hot count */ - ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); - ide_set_irq(s); - break; - case CFA_ACCESS_METADATA_STORAGE: - if (!s->is_cf) - goto abort_cmd; - switch (s->feature) { - case 0x02: /* Inquiry Metadata Storage */ - ide_cfata_metadata_inquiry(s); - break; - case 0x03: /* Read Metadata Storage */ - ide_cfata_metadata_read(s); - break; - case 0x04: /* Write Metadata Storage */ - ide_cfata_metadata_write(s); - break; - default: - goto abort_cmd; - } - ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); - s->status = 0x00; /* NOTE: READY is _not_ set */ - ide_set_irq(s); - break; - case IBM_SENSE_CONDITION: - if (!s->is_cf) - goto abort_cmd; - switch (s->feature) { - case 0x01: /* sense temperature in device */ - s->nsector = 0x50; /* +20 C */ - break; - default: - goto abort_cmd; - } - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - - case WIN_SMART: - if (s->is_cdrom) - goto abort_cmd; - if (s->hcyl != 0xc2 || s->lcyl != 0x4f) - goto abort_cmd; - if (!s->smart_enabled && s->feature != SMART_ENABLE) - goto abort_cmd; - switch (s->feature) { - case SMART_DISABLE: - s->smart_enabled = 0; - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case SMART_ENABLE: - s->smart_enabled = 1; - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case SMART_ATTR_AUTOSAVE: - switch (s->sector) { - case 0x00: - s->smart_autosave = 0; - break; - case 0xf1: - s->smart_autosave = 1; - break; - default: - goto abort_cmd; - } - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case SMART_STATUS: - if (!s->smart_errors) { - s->hcyl = 0xc2; - s->lcyl = 0x4f; - } else { - s->hcyl = 0x2c; - s->lcyl = 0xf4; - } - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case SMART_READ_THRESH: - memset(s->io_buffer, 0, 0x200); - s->io_buffer[0] = 0x01; /* smart struct version */ - for (n=0; n<30; n++) { - if (smart_attributes[n][0] == 0) - break; - s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; - s->io_buffer[2+1+(n*12)] = smart_attributes[n][4]; - } - for (n=0; n<511; n++) /* checksum */ - s->io_buffer[511] += s->io_buffer[n]; - s->io_buffer[511] = 0x100 - s->io_buffer[511]; - s->status = READY_STAT | SEEK_STAT; - ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); - ide_set_irq(s); - break; - case SMART_READ_DATA: - memset(s->io_buffer, 0, 0x200); - s->io_buffer[0] = 0x01; /* smart struct version */ - for (n=0; n<30; n++) { - if (smart_attributes[n][0] == 0) - break; - s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; - s->io_buffer[2+1+(n*12)] = smart_attributes[n][1]; - s->io_buffer[2+3+(n*12)] = smart_attributes[n][2]; - s->io_buffer[2+4+(n*12)] = smart_attributes[n][3]; - } - s->io_buffer[362] = 0x02 | (s->smart_autosave?0x80:0x00); - if (s->smart_selftest_count == 0) { - s->io_buffer[363] = 0; - } else { - s->io_buffer[363] = - s->smart_selftest_data[3 + - (s->smart_selftest_count - 1) * - 24]; - } - s->io_buffer[364] = 0x20; - s->io_buffer[365] = 0x01; - /* offline data collection capacity: execute + self-test*/ - s->io_buffer[367] = (1<<4 | 1<<3 | 1); - s->io_buffer[368] = 0x03; /* smart capability (1) */ - s->io_buffer[369] = 0x00; /* smart capability (2) */ - s->io_buffer[370] = 0x01; /* error logging supported */ - s->io_buffer[372] = 0x02; /* minutes for poll short test */ - s->io_buffer[373] = 0x36; /* minutes for poll ext test */ - s->io_buffer[374] = 0x01; /* minutes for poll conveyance */ - - for (n=0; n<511; n++) - s->io_buffer[511] += s->io_buffer[n]; - s->io_buffer[511] = 0x100 - s->io_buffer[511]; - s->status = READY_STAT | SEEK_STAT; - ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); - ide_set_irq(s); - break; - case SMART_READ_LOG: - switch (s->sector) { - case 0x01: /* summary smart error log */ - memset(s->io_buffer, 0, 0x200); - s->io_buffer[0] = 0x01; - s->io_buffer[1] = 0x00; /* no error entries */ - s->io_buffer[452] = s->smart_errors & 0xff; - s->io_buffer[453] = (s->smart_errors & 0xff00) >> 8; - - for (n=0; n<511; n++) - s->io_buffer[511] += s->io_buffer[n]; - s->io_buffer[511] = 0x100 - s->io_buffer[511]; - break; - case 0x06: /* smart self test log */ - memset(s->io_buffer, 0, 0x200); - s->io_buffer[0] = 0x01; - if (s->smart_selftest_count == 0) { - s->io_buffer[508] = 0; - } else { - s->io_buffer[508] = s->smart_selftest_count; - for (n=2; n<506; n++) - s->io_buffer[n] = s->smart_selftest_data[n]; - } - for (n=0; n<511; n++) - s->io_buffer[511] += s->io_buffer[n]; - s->io_buffer[511] = 0x100 - s->io_buffer[511]; - break; - default: - goto abort_cmd; - } - s->status = READY_STAT | SEEK_STAT; - ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); - ide_set_irq(s); - break; - case SMART_EXECUTE_OFFLINE: - switch (s->sector) { - case 0: /* off-line routine */ - case 1: /* short self test */ - case 2: /* extended self test */ - s->smart_selftest_count++; - if(s->smart_selftest_count > 21) - s->smart_selftest_count = 0; - n = 2 + (s->smart_selftest_count - 1) * 24; - s->smart_selftest_data[n] = s->sector; - s->smart_selftest_data[n+1] = 0x00; /* OK and finished */ - s->smart_selftest_data[n+2] = 0x34; /* hour count lsb */ - s->smart_selftest_data[n+3] = 0x12; /* hour count msb */ - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - default: - goto abort_cmd; - } - break; - default: - goto abort_cmd; - } - break; - default: - abort_cmd: - ide_abort_command(s); - ide_set_irq(s); - break; - } - } -} - -uint32_t ide_ioport_read(void *opaque, uint32_t addr1) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - uint32_t addr; - int ret, hob; - - addr = addr1 & 7; - /* FIXME: HOB readback uses bit 7, but it's always set right now */ - //hob = s->select & (1 << 7); - hob = 0; - switch(addr) { - case 0: - ret = 0xff; - break; - case 1: - if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || - (s != bus->ifs && !s->bs)) - ret = 0; - else if (!hob) - ret = s->error; - else - ret = s->hob_feature; - break; - case 2: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) - ret = 0; - else if (!hob) - ret = s->nsector & 0xff; - else - ret = s->hob_nsector; - break; - case 3: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) - ret = 0; - else if (!hob) - ret = s->sector; - else - ret = s->hob_sector; - break; - case 4: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) - ret = 0; - else if (!hob) - ret = s->lcyl; - else - ret = s->hob_lcyl; - break; - case 5: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) - ret = 0; - else if (!hob) - ret = s->hcyl; - else - ret = s->hob_hcyl; - break; - case 6: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) - ret = 0; - else - ret = s->select; - break; - default: - case 7: - if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || - (s != bus->ifs && !s->bs)) - ret = 0; - else - ret = s->status; - qemu_irq_lower(s->irq); - break; - } -#ifdef DEBUG_IDE - printf("ide: read addr=0x%x val=%02x\n", addr1, ret); -#endif - return ret; -} - -uint32_t ide_status_read(void *opaque, uint32_t addr) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - int ret; - - if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || - (s != bus->ifs && !s->bs)) - ret = 0; - else - ret = s->status; -#ifdef DEBUG_IDE - printf("ide: read status addr=0x%x val=%02x\n", addr, ret); -#endif - return ret; -} - -void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) -{ - IDEBus *bus = opaque; - IDEState *s; - int i; - -#ifdef DEBUG_IDE - printf("ide: write control addr=0x%x val=%02x\n", addr, val); -#endif - /* common for both drives */ - if (!(bus->ifs[0].cmd & IDE_CMD_RESET) && - (val & IDE_CMD_RESET)) { - /* reset low to high */ - for(i = 0;i < 2; i++) { - s = &bus->ifs[i]; - s->status = BUSY_STAT | SEEK_STAT; - s->error = 0x01; - } - } else if ((bus->ifs[0].cmd & IDE_CMD_RESET) && - !(val & IDE_CMD_RESET)) { - /* high to low */ - for(i = 0;i < 2; i++) { - s = &bus->ifs[i]; - if (s->is_cdrom) - s->status = 0x00; /* NOTE: READY is _not_ set */ - else - s->status = READY_STAT | SEEK_STAT; - ide_set_signature(s); - } - } - - bus->ifs[0].cmd = val; - bus->ifs[1].cmd = val; -} - -void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - uint8_t *p; - - /* PIO data access allowed only when DRQ bit is set */ - if (!(s->status & DRQ_STAT)) - return; - - p = s->data_ptr; - *(uint16_t *)p = le16_to_cpu(val); - p += 2; - s->data_ptr = p; - if (p >= s->data_end) - s->end_transfer_func(s); -} - -uint32_t ide_data_readw(void *opaque, uint32_t addr) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - uint8_t *p; - int ret; - - /* PIO data access allowed only when DRQ bit is set */ - if (!(s->status & DRQ_STAT)) - return 0; - - p = s->data_ptr; - ret = cpu_to_le16(*(uint16_t *)p); - p += 2; - s->data_ptr = p; - if (p >= s->data_end) - s->end_transfer_func(s); - return ret; -} - -void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - uint8_t *p; - - /* PIO data access allowed only when DRQ bit is set */ - if (!(s->status & DRQ_STAT)) - return; - - p = s->data_ptr; - *(uint32_t *)p = le32_to_cpu(val); - p += 4; - s->data_ptr = p; - if (p >= s->data_end) - s->end_transfer_func(s); -} - -uint32_t ide_data_readl(void *opaque, uint32_t addr) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - uint8_t *p; - int ret; - - /* PIO data access allowed only when DRQ bit is set */ - if (!(s->status & DRQ_STAT)) - return 0; - - p = s->data_ptr; - ret = cpu_to_le32(*(uint32_t *)p); - p += 4; - s->data_ptr = p; - if (p >= s->data_end) - s->end_transfer_func(s); - return ret; -} - -static void ide_dummy_transfer_stop(IDEState *s) -{ - s->data_ptr = s->io_buffer; - s->data_end = s->io_buffer; - s->io_buffer[0] = 0xff; - s->io_buffer[1] = 0xff; - s->io_buffer[2] = 0xff; - s->io_buffer[3] = 0xff; -} - -void ide_reset(IDEState *s) -{ - IDEBus *bus = s->bus; - - if (s->is_cf) - s->mult_sectors = 0; - else - s->mult_sectors = MAX_MULT_SECTORS; - bus->unit = s->unit; - s->select = 0xa0; - s->status = READY_STAT | SEEK_STAT; - ide_set_signature(s); - /* init the transfer handler so that 0xffff is returned on data - accesses */ - s->end_transfer_func = ide_dummy_transfer_stop; - ide_dummy_transfer_stop(s); - s->media_changed = 0; -} - -void ide_init2(IDEBus *bus, BlockDriverState *hd0, BlockDriverState *hd1, - qemu_irq irq) -{ - IDEState *s; - static int drive_serial = 1; - int i, cylinders, heads, secs; - uint64_t nb_sectors; - - for(i = 0; i < 2; i++) { - s = bus->ifs + i; - s->bus = bus; - s->unit = i; - s->bs = (i == 0) ? hd0 : hd1; - s->io_buffer = qemu_blockalign(s->bs, IDE_DMA_BUF_SECTORS*512 + 4); - if (s->bs) { - bdrv_get_geometry(s->bs, &nb_sectors); - bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs); - s->cylinders = cylinders; - s->heads = heads; - s->sectors = secs; - s->nb_sectors = nb_sectors; - /* The SMART values should be preserved across power cycles - but they aren't. */ - s->smart_enabled = 1; - s->smart_autosave = 1; - s->smart_errors = 0; - s->smart_selftest_count = 0; - s->smart_selftest_data = qemu_blockalign(s->bs, 512); - if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) { - s->is_cdrom = 1; - bdrv_set_change_cb(s->bs, cdrom_change_cb, s); - } - } - s->drive_serial = drive_serial++; - strncpy(s->drive_serial_str, drive_get_serial(s->bs), - sizeof(s->drive_serial_str)); - if (strlen(s->drive_serial_str) == 0) - snprintf(s->drive_serial_str, sizeof(s->drive_serial_str), - "QM%05d", s->drive_serial); - s->irq = irq; - s->sector_write_timer = qemu_new_timer(vm_clock, - ide_sector_write_timer_cb, s); - ide_reset(s); - } -} - -void ide_init_ioport(IDEBus *bus, int iobase, int iobase2) -{ - register_ioport_write(iobase, 8, 1, ide_ioport_write, bus); - register_ioport_read(iobase, 8, 1, ide_ioport_read, bus); - if (iobase2) { - register_ioport_read(iobase2, 1, 1, ide_status_read, bus); - register_ioport_write(iobase2, 1, 1, ide_cmd_write, bus); - } - - /* data ports */ - register_ioport_write(iobase, 2, 2, ide_data_writew, bus); - register_ioport_read(iobase, 2, 2, ide_data_readw, bus); - register_ioport_write(iobase, 4, 4, ide_data_writel, bus); - register_ioport_read(iobase, 4, 4, ide_data_readl, bus); -} - -/* save per IDE drive data */ -void ide_save(QEMUFile* f, IDEState *s) -{ - qemu_put_be32(f, s->mult_sectors); - qemu_put_be32(f, s->identify_set); - if (s->identify_set) { - qemu_put_buffer(f, (const uint8_t *)s->identify_data, 512); - } - qemu_put_8s(f, &s->feature); - qemu_put_8s(f, &s->error); - qemu_put_be32s(f, &s->nsector); - qemu_put_8s(f, &s->sector); - qemu_put_8s(f, &s->lcyl); - qemu_put_8s(f, &s->hcyl); - qemu_put_8s(f, &s->hob_feature); - qemu_put_8s(f, &s->hob_nsector); - qemu_put_8s(f, &s->hob_sector); - qemu_put_8s(f, &s->hob_lcyl); - qemu_put_8s(f, &s->hob_hcyl); - qemu_put_8s(f, &s->select); - qemu_put_8s(f, &s->status); - qemu_put_8s(f, &s->lba48); - - qemu_put_8s(f, &s->sense_key); - qemu_put_8s(f, &s->asc); - qemu_put_8s(f, &s->cdrom_changed); - /* XXX: if a transfer is pending, we do not save it yet */ -} - -/* load per IDE drive data */ -void ide_load(QEMUFile* f, IDEState *s, int version_id) -{ - s->mult_sectors=qemu_get_be32(f); - s->identify_set=qemu_get_be32(f); - if (s->identify_set) { - qemu_get_buffer(f, (uint8_t *)s->identify_data, 512); - } - qemu_get_8s(f, &s->feature); - qemu_get_8s(f, &s->error); - qemu_get_be32s(f, &s->nsector); - qemu_get_8s(f, &s->sector); - qemu_get_8s(f, &s->lcyl); - qemu_get_8s(f, &s->hcyl); - qemu_get_8s(f, &s->hob_feature); - qemu_get_8s(f, &s->hob_nsector); - qemu_get_8s(f, &s->hob_sector); - qemu_get_8s(f, &s->hob_lcyl); - qemu_get_8s(f, &s->hob_hcyl); - qemu_get_8s(f, &s->select); - qemu_get_8s(f, &s->status); - qemu_get_8s(f, &s->lba48); - - qemu_get_8s(f, &s->sense_key); - qemu_get_8s(f, &s->asc); - if (version_id == 3) { - qemu_get_8s(f, &s->cdrom_changed); - } else { - if (s->sense_key == SENSE_UNIT_ATTENTION && - s->asc == ASC_MEDIUM_MAY_HAVE_CHANGED) - s->cdrom_changed = 1; - } - /* XXX: if a transfer is pending, we do not save it yet */ -} - -void idebus_save(QEMUFile* f, IDEBus *bus) -{ - IDEState *s = idebus_active_if(bus); - qemu_put_8s(f, &s->cmd); - qemu_put_8s(f, &bus->unit); -} - -void idebus_load(QEMUFile* f, IDEBus *bus, int version_id) -{ - IDEState *s; - uint8_t cmd; - - qemu_get_8s(f, &cmd); - qemu_get_8s(f, &bus->unit); - s = idebus_active_if(bus); - s->cmd = cmd; -} - -/***********************************************************/ -/* PCI IDE definitions */ - -static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb) -{ - BMDMAState *bm = s->bus->bmdma; - if(!bm) - return; - bm->unit = s->unit; - bm->dma_cb = dma_cb; - bm->cur_prd_last = 0; - bm->cur_prd_addr = 0; - bm->cur_prd_len = 0; - bm->sector_num = ide_get_sector(s); - bm->nsector = s->nsector; - if (bm->status & BM_STATUS_DMAING) { - bm->dma_cb(bm, 0); - } -} - -static void ide_dma_restart(IDEState *s) -{ - BMDMAState *bm = s->bus->bmdma; - ide_set_sector(s, bm->sector_num); - s->io_buffer_index = 0; - s->io_buffer_size = 0; - s->nsector = bm->nsector; - bm->cur_addr = bm->addr; - bm->dma_cb = ide_write_dma_cb; - ide_dma_start(s, bm->dma_cb); -} - -void ide_dma_cancel(BMDMAState *bm) -{ - if (bm->status & BM_STATUS_DMAING) { - bm->status &= ~BM_STATUS_DMAING; - /* cancel DMA request */ - bm->unit = -1; - bm->dma_cb = NULL; - if (bm->aiocb) { -#ifdef DEBUG_AIO - printf("aio_cancel\n"); -#endif - bdrv_aio_cancel(bm->aiocb); - bm->aiocb = NULL; - } - } -} - diff --git a/hw/ide/core.c b/hw/ide/core.c new file mode 100644 index 0000000000..79a3a9c7ad --- /dev/null +++ b/hw/ide/core.c @@ -0,0 +1,2701 @@ +/* + * QEMU IDE disk and CD/DVD-ROM Emulator + * + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2006 Openedhand Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include +#include +#include +#include +#include "block.h" +#include "block_int.h" +#include "qemu-timer.h" +#include "sysemu.h" +#include "dma.h" + +#include + +static int smart_attributes[][5] = { + /* id, flags, val, wrst, thrsh */ + { 0x01, 0x03, 0x64, 0x64, 0x06}, /* raw read */ + { 0x03, 0x03, 0x64, 0x64, 0x46}, /* spin up */ + { 0x04, 0x02, 0x64, 0x64, 0x14}, /* start stop count */ + { 0x05, 0x03, 0x64, 0x64, 0x36}, /* remapped sectors */ + { 0x00, 0x00, 0x00, 0x00, 0x00} +}; + +/* XXX: DVDs that could fit on a CD will be reported as a CD */ +static inline int media_present(IDEState *s) +{ + return (s->nb_sectors > 0); +} + +static inline int media_is_dvd(IDEState *s) +{ + return (media_present(s) && s->nb_sectors > CD_MAX_SECTORS); +} + +static inline int media_is_cd(IDEState *s) +{ + return (media_present(s) && s->nb_sectors <= CD_MAX_SECTORS); +} + +static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb); +static void ide_dma_restart(IDEState *s); +static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret); + +static void padstr(char *str, const char *src, int len) +{ + int i, v; + for(i = 0; i < len; i++) { + if (*src) + v = *src++; + else + v = ' '; + str[i^1] = v; + } +} + +static void padstr8(uint8_t *buf, int buf_size, const char *src) +{ + int i; + for(i = 0; i < buf_size; i++) { + if (*src) + buf[i] = *src++; + else + buf[i] = ' '; + } +} + +static void put_le16(uint16_t *p, unsigned int v) +{ + *p = cpu_to_le16(v); +} + +static void ide_identify(IDEState *s) +{ + uint16_t *p; + unsigned int oldsize; + + if (s->identify_set) { + memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); + return; + } + + memset(s->io_buffer, 0, 512); + p = (uint16_t *)s->io_buffer; + put_le16(p + 0, 0x0040); + put_le16(p + 1, s->cylinders); + put_le16(p + 3, s->heads); + put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */ + put_le16(p + 5, 512); /* XXX: retired, remove ? */ + put_le16(p + 6, s->sectors); + padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ + put_le16(p + 20, 3); /* XXX: retired, remove ? */ + put_le16(p + 21, 512); /* cache size in sectors */ + put_le16(p + 22, 4); /* ecc bytes */ + padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ + padstr((char *)(p + 27), "QEMU HARDDISK", 40); /* model */ +#if MAX_MULT_SECTORS > 1 + put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); +#endif + put_le16(p + 48, 1); /* dword I/O */ + put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ + put_le16(p + 51, 0x200); /* PIO transfer cycle */ + put_le16(p + 52, 0x200); /* DMA transfer cycle */ + put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */ + put_le16(p + 54, s->cylinders); + put_le16(p + 55, s->heads); + put_le16(p + 56, s->sectors); + oldsize = s->cylinders * s->heads * s->sectors; + put_le16(p + 57, oldsize); + put_le16(p + 58, oldsize >> 16); + if (s->mult_sectors) + put_le16(p + 59, 0x100 | s->mult_sectors); + put_le16(p + 60, s->nb_sectors); + put_le16(p + 61, s->nb_sectors >> 16); + put_le16(p + 62, 0x07); /* single word dma0-2 supported */ + put_le16(p + 63, 0x07); /* mdma0-2 supported */ + put_le16(p + 65, 120); + put_le16(p + 66, 120); + put_le16(p + 67, 120); + put_le16(p + 68, 120); + put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */ + put_le16(p + 81, 0x16); /* conforms to ata5 */ + /* 14=NOP supported, 0=SMART supported */ + put_le16(p + 82, (1 << 14) | 1); + /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ + put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); + /* 14=set to 1, 1=SMART self test, 0=SMART error logging */ + put_le16(p + 84, (1 << 14) | 0); + /* 14 = NOP supported, 0=SMART feature set enabled */ + put_le16(p + 85, (1 << 14) | 1); + /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ + put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); + /* 14=set to 1, 1=smart self test, 0=smart error logging */ + put_le16(p + 87, (1 << 14) | 0); + put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ + put_le16(p + 93, 1 | (1 << 14) | 0x2000); + put_le16(p + 100, s->nb_sectors); + put_le16(p + 101, s->nb_sectors >> 16); + put_le16(p + 102, s->nb_sectors >> 32); + put_le16(p + 103, s->nb_sectors >> 48); + + memcpy(s->identify_data, p, sizeof(s->identify_data)); + s->identify_set = 1; +} + +static void ide_atapi_identify(IDEState *s) +{ + uint16_t *p; + + if (s->identify_set) { + memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); + return; + } + + memset(s->io_buffer, 0, 512); + p = (uint16_t *)s->io_buffer; + /* Removable CDROM, 50us response, 12 byte packets */ + put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); + padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ + put_le16(p + 20, 3); /* buffer type */ + put_le16(p + 21, 512); /* cache size in sectors */ + put_le16(p + 22, 4); /* ecc bytes */ + padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ + padstr((char *)(p + 27), "QEMU DVD-ROM", 40); /* model */ + put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ +#ifdef USE_DMA_CDROM + put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ + put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */ + put_le16(p + 62, 7); /* single word dma0-2 supported */ + put_le16(p + 63, 7); /* mdma0-2 supported */ + put_le16(p + 64, 0x3f); /* PIO modes supported */ +#else + put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ + put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ + put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ + put_le16(p + 64, 1); /* PIO modes */ +#endif + put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ + put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ + put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ + put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ + + put_le16(p + 71, 30); /* in ns */ + put_le16(p + 72, 30); /* in ns */ + + put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ +#ifdef USE_DMA_CDROM + put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ +#endif + memcpy(s->identify_data, p, sizeof(s->identify_data)); + s->identify_set = 1; +} + +static void ide_cfata_identify(IDEState *s) +{ + uint16_t *p; + uint32_t cur_sec; + + p = (uint16_t *) s->identify_data; + if (s->identify_set) + goto fill_buffer; + + memset(p, 0, sizeof(s->identify_data)); + + cur_sec = s->cylinders * s->heads * s->sectors; + + put_le16(p + 0, 0x848a); /* CF Storage Card signature */ + put_le16(p + 1, s->cylinders); /* Default cylinders */ + put_le16(p + 3, s->heads); /* Default heads */ + put_le16(p + 6, s->sectors); /* Default sectors per track */ + put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */ + put_le16(p + 8, s->nb_sectors); /* Sectors per card */ + padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ + put_le16(p + 22, 0x0004); /* ECC bytes */ + padstr((char *) (p + 23), QEMU_VERSION, 8); /* Firmware Revision */ + padstr((char *) (p + 27), "QEMU MICRODRIVE", 40);/* Model number */ +#if MAX_MULT_SECTORS > 1 + put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); +#else + put_le16(p + 47, 0x0000); +#endif + put_le16(p + 49, 0x0f00); /* Capabilities */ + put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ + put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ + put_le16(p + 53, 0x0003); /* Translation params valid */ + put_le16(p + 54, s->cylinders); /* Current cylinders */ + put_le16(p + 55, s->heads); /* Current heads */ + put_le16(p + 56, s->sectors); /* Current sectors */ + put_le16(p + 57, cur_sec); /* Current capacity */ + put_le16(p + 58, cur_sec >> 16); /* Current capacity */ + if (s->mult_sectors) /* Multiple sector setting */ + put_le16(p + 59, 0x100 | s->mult_sectors); + put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ + put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ + put_le16(p + 63, 0x0203); /* Multiword DMA capability */ + put_le16(p + 64, 0x0001); /* Flow Control PIO support */ + put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ + put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ + put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ + put_le16(p + 82, 0x400c); /* Command Set supported */ + put_le16(p + 83, 0x7068); /* Command Set supported */ + put_le16(p + 84, 0x4000); /* Features supported */ + put_le16(p + 85, 0x000c); /* Command Set enabled */ + put_le16(p + 86, 0x7044); /* Command Set enabled */ + put_le16(p + 87, 0x4000); /* Features enabled */ + put_le16(p + 91, 0x4060); /* Current APM level */ + put_le16(p + 129, 0x0002); /* Current features option */ + put_le16(p + 130, 0x0005); /* Reassigned sectors */ + put_le16(p + 131, 0x0001); /* Initial power mode */ + put_le16(p + 132, 0x0000); /* User signature */ + put_le16(p + 160, 0x8100); /* Power requirement */ + put_le16(p + 161, 0x8001); /* CF command set */ + + s->identify_set = 1; + +fill_buffer: + memcpy(s->io_buffer, p, sizeof(s->identify_data)); +} + +static void ide_set_signature(IDEState *s) +{ + s->select &= 0xf0; /* clear head */ + /* put signature */ + s->nsector = 1; + s->sector = 1; + if (s->is_cdrom) { + s->lcyl = 0x14; + s->hcyl = 0xeb; + } else if (s->bs) { + s->lcyl = 0; + s->hcyl = 0; + } else { + s->lcyl = 0xff; + s->hcyl = 0xff; + } +} + +static inline void ide_abort_command(IDEState *s) +{ + s->status = READY_STAT | ERR_STAT; + s->error = ABRT_ERR; +} + +static inline void ide_dma_submit_check(IDEState *s, + BlockDriverCompletionFunc *dma_cb, BMDMAState *bm) +{ + if (bm->aiocb) + return; + dma_cb(bm, -1); +} + +/* prepare data transfer and tell what to do after */ +static void ide_transfer_start(IDEState *s, uint8_t *buf, int size, + EndTransferFunc *end_transfer_func) +{ + s->end_transfer_func = end_transfer_func; + s->data_ptr = buf; + s->data_end = buf + size; + if (!(s->status & ERR_STAT)) + s->status |= DRQ_STAT; +} + +static void ide_transfer_stop(IDEState *s) +{ + s->end_transfer_func = ide_transfer_stop; + s->data_ptr = s->io_buffer; + s->data_end = s->io_buffer; + s->status &= ~DRQ_STAT; +} + +int64_t ide_get_sector(IDEState *s) +{ + int64_t sector_num; + if (s->select & 0x40) { + /* lba */ + if (!s->lba48) { + sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | + (s->lcyl << 8) | s->sector; + } else { + sector_num = ((int64_t)s->hob_hcyl << 40) | + ((int64_t) s->hob_lcyl << 32) | + ((int64_t) s->hob_sector << 24) | + ((int64_t) s->hcyl << 16) | + ((int64_t) s->lcyl << 8) | s->sector; + } + } else { + sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors + + (s->select & 0x0f) * s->sectors + (s->sector - 1); + } + return sector_num; +} + +void ide_set_sector(IDEState *s, int64_t sector_num) +{ + unsigned int cyl, r; + if (s->select & 0x40) { + if (!s->lba48) { + s->select = (s->select & 0xf0) | (sector_num >> 24); + s->hcyl = (sector_num >> 16); + s->lcyl = (sector_num >> 8); + s->sector = (sector_num); + } else { + s->sector = sector_num; + s->lcyl = sector_num >> 8; + s->hcyl = sector_num >> 16; + s->hob_sector = sector_num >> 24; + s->hob_lcyl = sector_num >> 32; + s->hob_hcyl = sector_num >> 40; + } + } else { + cyl = sector_num / (s->heads * s->sectors); + r = sector_num % (s->heads * s->sectors); + s->hcyl = cyl >> 8; + s->lcyl = cyl; + s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); + s->sector = (r % s->sectors) + 1; + } +} + +static void ide_rw_error(IDEState *s) { + ide_abort_command(s); + ide_set_irq(s); +} + +static void ide_sector_read(IDEState *s) +{ + int64_t sector_num; + int ret, n; + + s->status = READY_STAT | SEEK_STAT; + s->error = 0; /* not needed by IDE spec, but needed by Windows */ + sector_num = ide_get_sector(s); + n = s->nsector; + if (n == 0) { + /* no more sector to read from disk */ + ide_transfer_stop(s); + } else { +#if defined(DEBUG_IDE) + printf("read sector=%" PRId64 "\n", sector_num); +#endif + if (n > s->req_nb_sectors) + n = s->req_nb_sectors; + ret = bdrv_read(s->bs, sector_num, s->io_buffer, n); + if (ret != 0) { + ide_rw_error(s); + return; + } + ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read); + ide_set_irq(s); + ide_set_sector(s, sector_num + n); + s->nsector -= n; + } +} + + +/* return 0 if buffer completed */ +static int dma_buf_prepare(BMDMAState *bm, int is_write) +{ + IDEState *s = bmdma_active_if(bm); + struct { + uint32_t addr; + uint32_t size; + } prd; + int l, len; + + qemu_sglist_init(&s->sg, s->nsector / (TARGET_PAGE_SIZE/512) + 1); + s->io_buffer_size = 0; + for(;;) { + if (bm->cur_prd_len == 0) { + /* end of table (with a fail safe of one page) */ + if (bm->cur_prd_last || + (bm->cur_addr - bm->addr) >= 4096) + return s->io_buffer_size != 0; + cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8); + bm->cur_addr += 8; + prd.addr = le32_to_cpu(prd.addr); + prd.size = le32_to_cpu(prd.size); + len = prd.size & 0xfffe; + if (len == 0) + len = 0x10000; + bm->cur_prd_len = len; + bm->cur_prd_addr = prd.addr; + bm->cur_prd_last = (prd.size & 0x80000000); + } + l = bm->cur_prd_len; + if (l > 0) { + qemu_sglist_add(&s->sg, bm->cur_prd_addr, l); + bm->cur_prd_addr += l; + bm->cur_prd_len -= l; + s->io_buffer_size += l; + } + } + return 1; +} + +static void dma_buf_commit(IDEState *s, int is_write) +{ + qemu_sglist_destroy(&s->sg); +} + +void ide_dma_error(IDEState *s) +{ + ide_transfer_stop(s); + s->error = ABRT_ERR; + s->status = READY_STAT | ERR_STAT; + ide_set_irq(s); +} + +static int ide_handle_write_error(IDEState *s, int error, int op) +{ + BlockInterfaceErrorAction action = drive_get_onerror(s->bs); + + if (action == BLOCK_ERR_IGNORE) + return 0; + + if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC) + || action == BLOCK_ERR_STOP_ANY) { + s->bus->bmdma->unit = s->unit; + s->bus->bmdma->status |= op; + vm_stop(0); + } else { + if (op == BM_STATUS_DMA_RETRY) { + dma_buf_commit(s, 0); + ide_dma_error(s); + } else { + ide_rw_error(s); + } + } + + return 1; +} + +/* return 0 if buffer completed */ +static int dma_buf_rw(BMDMAState *bm, int is_write) +{ + IDEState *s = bmdma_active_if(bm); + struct { + uint32_t addr; + uint32_t size; + } prd; + int l, len; + + for(;;) { + l = s->io_buffer_size - s->io_buffer_index; + if (l <= 0) + break; + if (bm->cur_prd_len == 0) { + /* end of table (with a fail safe of one page) */ + if (bm->cur_prd_last || + (bm->cur_addr - bm->addr) >= 4096) + return 0; + cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8); + bm->cur_addr += 8; + prd.addr = le32_to_cpu(prd.addr); + prd.size = le32_to_cpu(prd.size); + len = prd.size & 0xfffe; + if (len == 0) + len = 0x10000; + bm->cur_prd_len = len; + bm->cur_prd_addr = prd.addr; + bm->cur_prd_last = (prd.size & 0x80000000); + } + if (l > bm->cur_prd_len) + l = bm->cur_prd_len; + if (l > 0) { + if (is_write) { + cpu_physical_memory_write(bm->cur_prd_addr, + s->io_buffer + s->io_buffer_index, l); + } else { + cpu_physical_memory_read(bm->cur_prd_addr, + s->io_buffer + s->io_buffer_index, l); + } + bm->cur_prd_addr += l; + bm->cur_prd_len -= l; + s->io_buffer_index += l; + } + } + return 1; +} + +static void ide_read_dma_cb(void *opaque, int ret) +{ + BMDMAState *bm = opaque; + IDEState *s = bmdma_active_if(bm); + int n; + int64_t sector_num; + + if (ret < 0) { + dma_buf_commit(s, 1); + ide_dma_error(s); + return; + } + + n = s->io_buffer_size >> 9; + sector_num = ide_get_sector(s); + if (n > 0) { + dma_buf_commit(s, 1); + sector_num += n; + ide_set_sector(s, sector_num); + s->nsector -= n; + } + + /* end of transfer ? */ + if (s->nsector == 0) { + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + eot: + bm->status &= ~BM_STATUS_DMAING; + bm->status |= BM_STATUS_INT; + bm->dma_cb = NULL; + bm->unit = -1; + bm->aiocb = NULL; + return; + } + + /* launch next transfer */ + n = s->nsector; + s->io_buffer_index = 0; + s->io_buffer_size = n * 512; + if (dma_buf_prepare(bm, 1) == 0) + goto eot; +#ifdef DEBUG_AIO + printf("aio_read: sector_num=%" PRId64 " n=%d\n", sector_num, n); +#endif + bm->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, ide_read_dma_cb, bm); + ide_dma_submit_check(s, ide_read_dma_cb, bm); +} + +static void ide_sector_read_dma(IDEState *s) +{ + s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; + s->io_buffer_index = 0; + s->io_buffer_size = 0; + s->is_read = 1; + ide_dma_start(s, ide_read_dma_cb); +} + +static void ide_sector_write_timer_cb(void *opaque) +{ + IDEState *s = opaque; + ide_set_irq(s); +} + +static void ide_sector_write(IDEState *s) +{ + int64_t sector_num; + int ret, n, n1; + + s->status = READY_STAT | SEEK_STAT; + sector_num = ide_get_sector(s); +#if defined(DEBUG_IDE) + printf("write sector=%" PRId64 "\n", sector_num); +#endif + n = s->nsector; + if (n > s->req_nb_sectors) + n = s->req_nb_sectors; + ret = bdrv_write(s->bs, sector_num, s->io_buffer, n); + + if (ret != 0) { + if (ide_handle_write_error(s, -ret, BM_STATUS_PIO_RETRY)) + return; + } + + s->nsector -= n; + if (s->nsector == 0) { + /* no more sectors to write */ + ide_transfer_stop(s); + } else { + n1 = s->nsector; + if (n1 > s->req_nb_sectors) + n1 = s->req_nb_sectors; + ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write); + } + ide_set_sector(s, sector_num + n); + +#ifdef TARGET_I386 + if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { + /* It seems there is a bug in the Windows 2000 installer HDD + IDE driver which fills the disk with empty logs when the + IDE write IRQ comes too early. This hack tries to correct + that at the expense of slower write performances. Use this + option _only_ to install Windows 2000. You must disable it + for normal use. */ + qemu_mod_timer(s->sector_write_timer, + qemu_get_clock(vm_clock) + (ticks_per_sec / 1000)); + } else +#endif + { + ide_set_irq(s); + } +} + +static void ide_dma_restart_bh(void *opaque) +{ + BMDMAState *bm = opaque; + + qemu_bh_delete(bm->bh); + bm->bh = NULL; + + if (bm->status & BM_STATUS_DMA_RETRY) { + bm->status &= ~BM_STATUS_DMA_RETRY; + ide_dma_restart(bmdma_active_if(bm)); + } else if (bm->status & BM_STATUS_PIO_RETRY) { + bm->status &= ~BM_STATUS_PIO_RETRY; + ide_sector_write(bmdma_active_if(bm)); + } +} + +void ide_dma_restart_cb(void *opaque, int running, int reason) +{ + BMDMAState *bm = opaque; + + if (!running) + return; + + if (!bm->bh) { + bm->bh = qemu_bh_new(ide_dma_restart_bh, bm); + qemu_bh_schedule(bm->bh); + } +} + +static void ide_write_dma_cb(void *opaque, int ret) +{ + BMDMAState *bm = opaque; + IDEState *s = bmdma_active_if(bm); + int n; + int64_t sector_num; + + if (ret < 0) { + if (ide_handle_write_error(s, -ret, BM_STATUS_DMA_RETRY)) + return; + } + + n = s->io_buffer_size >> 9; + sector_num = ide_get_sector(s); + if (n > 0) { + dma_buf_commit(s, 0); + sector_num += n; + ide_set_sector(s, sector_num); + s->nsector -= n; + } + + /* end of transfer ? */ + if (s->nsector == 0) { + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + eot: + bm->status &= ~BM_STATUS_DMAING; + bm->status |= BM_STATUS_INT; + bm->dma_cb = NULL; + bm->unit = -1; + bm->aiocb = NULL; + return; + } + + n = s->nsector; + s->io_buffer_size = n * 512; + /* launch next transfer */ + if (dma_buf_prepare(bm, 0) == 0) + goto eot; +#ifdef DEBUG_AIO + printf("aio_write: sector_num=%" PRId64 " n=%d\n", sector_num, n); +#endif + bm->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, ide_write_dma_cb, bm); + ide_dma_submit_check(s, ide_write_dma_cb, bm); +} + +static void ide_sector_write_dma(IDEState *s) +{ + s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; + s->io_buffer_index = 0; + s->io_buffer_size = 0; + s->is_read = 0; + ide_dma_start(s, ide_write_dma_cb); +} + +void ide_atapi_cmd_ok(IDEState *s) +{ + s->error = 0; + s->status = READY_STAT | SEEK_STAT; + s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; + ide_set_irq(s); +} + +void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc) +{ +#ifdef DEBUG_IDE_ATAPI + printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc); +#endif + s->error = sense_key << 4; + s->status = READY_STAT | ERR_STAT; + s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; + s->sense_key = sense_key; + s->asc = asc; + ide_set_irq(s); +} + +static void ide_atapi_cmd_check_status(IDEState *s) +{ +#ifdef DEBUG_IDE_ATAPI + printf("atapi_cmd_check_status\n"); +#endif + s->error = MC_ERR | (SENSE_UNIT_ATTENTION << 4); + s->status = ERR_STAT; + s->nsector = 0; + ide_set_irq(s); +} + +static inline void cpu_to_ube16(uint8_t *buf, int val) +{ + buf[0] = val >> 8; + buf[1] = val & 0xff; +} + +static inline void cpu_to_ube32(uint8_t *buf, unsigned int val) +{ + buf[0] = val >> 24; + buf[1] = val >> 16; + buf[2] = val >> 8; + buf[3] = val & 0xff; +} + +static inline int ube16_to_cpu(const uint8_t *buf) +{ + return (buf[0] << 8) | buf[1]; +} + +static inline int ube32_to_cpu(const uint8_t *buf) +{ + return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; +} + +static void lba_to_msf(uint8_t *buf, int lba) +{ + lba += 150; + buf[0] = (lba / 75) / 60; + buf[1] = (lba / 75) % 60; + buf[2] = lba % 75; +} + +static void cd_data_to_raw(uint8_t *buf, int lba) +{ + /* sync bytes */ + buf[0] = 0x00; + memset(buf + 1, 0xff, 10); + buf[11] = 0x00; + buf += 12; + /* MSF */ + lba_to_msf(buf, lba); + buf[3] = 0x01; /* mode 1 data */ + buf += 4; + /* data */ + buf += 2048; + /* XXX: ECC not computed */ + memset(buf, 0, 288); +} + +static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf, + int sector_size) +{ + int ret; + + switch(sector_size) { + case 2048: + ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4); + break; + case 2352: + ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4); + if (ret < 0) + return ret; + cd_data_to_raw(buf, lba); + break; + default: + ret = -EIO; + break; + } + return ret; +} + +void ide_atapi_io_error(IDEState *s, int ret) +{ + /* XXX: handle more errors */ + if (ret == -ENOMEDIUM) { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + } else { + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_LOGICAL_BLOCK_OOR); + } +} + +/* The whole ATAPI transfer logic is handled in this function */ +static void ide_atapi_cmd_reply_end(IDEState *s) +{ + int byte_count_limit, size, ret; +#ifdef DEBUG_IDE_ATAPI + printf("reply: tx_size=%d elem_tx_size=%d index=%d\n", + s->packet_transfer_size, + s->elementary_transfer_size, + s->io_buffer_index); +#endif + if (s->packet_transfer_size <= 0) { + /* end of transfer */ + ide_transfer_stop(s); + s->status = READY_STAT | SEEK_STAT; + s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; + ide_set_irq(s); +#ifdef DEBUG_IDE_ATAPI + printf("status=0x%x\n", s->status); +#endif + } else { + /* see if a new sector must be read */ + if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) { + ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size); + if (ret < 0) { + ide_transfer_stop(s); + ide_atapi_io_error(s, ret); + return; + } + s->lba++; + s->io_buffer_index = 0; + } + if (s->elementary_transfer_size > 0) { + /* there are some data left to transmit in this elementary + transfer */ + size = s->cd_sector_size - s->io_buffer_index; + if (size > s->elementary_transfer_size) + size = s->elementary_transfer_size; + ide_transfer_start(s, s->io_buffer + s->io_buffer_index, + size, ide_atapi_cmd_reply_end); + s->packet_transfer_size -= size; + s->elementary_transfer_size -= size; + s->io_buffer_index += size; + } else { + /* a new transfer is needed */ + s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO; + byte_count_limit = s->lcyl | (s->hcyl << 8); +#ifdef DEBUG_IDE_ATAPI + printf("byte_count_limit=%d\n", byte_count_limit); +#endif + if (byte_count_limit == 0xffff) + byte_count_limit--; + size = s->packet_transfer_size; + if (size > byte_count_limit) { + /* byte count limit must be even if this case */ + if (byte_count_limit & 1) + byte_count_limit--; + size = byte_count_limit; + } + s->lcyl = size; + s->hcyl = size >> 8; + s->elementary_transfer_size = size; + /* we cannot transmit more than one sector at a time */ + if (s->lba != -1) { + if (size > (s->cd_sector_size - s->io_buffer_index)) + size = (s->cd_sector_size - s->io_buffer_index); + } + ide_transfer_start(s, s->io_buffer + s->io_buffer_index, + size, ide_atapi_cmd_reply_end); + s->packet_transfer_size -= size; + s->elementary_transfer_size -= size; + s->io_buffer_index += size; + ide_set_irq(s); +#ifdef DEBUG_IDE_ATAPI + printf("status=0x%x\n", s->status); +#endif + } + } +} + +/* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */ +static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) +{ + if (size > max_size) + size = max_size; + s->lba = -1; /* no sector read */ + s->packet_transfer_size = size; + s->io_buffer_size = size; /* dma: send the reply data as one chunk */ + s->elementary_transfer_size = 0; + s->io_buffer_index = 0; + + if (s->atapi_dma) { + s->status = READY_STAT | SEEK_STAT | DRQ_STAT; + ide_dma_start(s, ide_atapi_cmd_read_dma_cb); + } else { + s->status = READY_STAT | SEEK_STAT; + ide_atapi_cmd_reply_end(s); + } +} + +/* start a CD-CDROM read command */ +static void ide_atapi_cmd_read_pio(IDEState *s, int lba, int nb_sectors, + int sector_size) +{ + s->lba = lba; + s->packet_transfer_size = nb_sectors * sector_size; + s->elementary_transfer_size = 0; + s->io_buffer_index = sector_size; + s->cd_sector_size = sector_size; + + s->status = READY_STAT | SEEK_STAT; + ide_atapi_cmd_reply_end(s); +} + +/* ATAPI DMA support */ + +/* XXX: handle read errors */ +static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret) +{ + BMDMAState *bm = opaque; + IDEState *s = bmdma_active_if(bm); + int data_offset, n; + + if (ret < 0) { + ide_atapi_io_error(s, ret); + goto eot; + } + + if (s->io_buffer_size > 0) { + /* + * For a cdrom read sector command (s->lba != -1), + * adjust the lba for the next s->io_buffer_size chunk + * and dma the current chunk. + * For a command != read (s->lba == -1), just transfer + * the reply data. + */ + if (s->lba != -1) { + if (s->cd_sector_size == 2352) { + n = 1; + cd_data_to_raw(s->io_buffer, s->lba); + } else { + n = s->io_buffer_size >> 11; + } + s->lba += n; + } + s->packet_transfer_size -= s->io_buffer_size; + if (dma_buf_rw(bm, 1) == 0) + goto eot; + } + + if (s->packet_transfer_size <= 0) { + s->status = READY_STAT | SEEK_STAT; + s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; + ide_set_irq(s); + eot: + bm->status &= ~BM_STATUS_DMAING; + bm->status |= BM_STATUS_INT; + bm->dma_cb = NULL; + bm->unit = -1; + bm->aiocb = NULL; + return; + } + + s->io_buffer_index = 0; + if (s->cd_sector_size == 2352) { + n = 1; + s->io_buffer_size = s->cd_sector_size; + data_offset = 16; + } else { + n = s->packet_transfer_size >> 11; + if (n > (IDE_DMA_BUF_SECTORS / 4)) + n = (IDE_DMA_BUF_SECTORS / 4); + s->io_buffer_size = n * 2048; + data_offset = 0; + } +#ifdef DEBUG_AIO + printf("aio_read_cd: lba=%u n=%d\n", s->lba, n); +#endif + bm->iov.iov_base = (void *)(s->io_buffer + data_offset); + bm->iov.iov_len = n * 4 * 512; + qemu_iovec_init_external(&bm->qiov, &bm->iov, 1); + bm->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2, &bm->qiov, + n * 4, ide_atapi_cmd_read_dma_cb, bm); + if (!bm->aiocb) { + /* Note: media not present is the most likely case */ + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + goto eot; + } +} + +/* start a CD-CDROM read command with DMA */ +/* XXX: test if DMA is available */ +static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors, + int sector_size) +{ + s->lba = lba; + s->packet_transfer_size = nb_sectors * sector_size; + s->io_buffer_index = 0; + s->io_buffer_size = 0; + s->cd_sector_size = sector_size; + + /* XXX: check if BUSY_STAT should be set */ + s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; + ide_dma_start(s, ide_atapi_cmd_read_dma_cb); +} + +static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors, + int sector_size) +{ +#ifdef DEBUG_IDE_ATAPI + printf("read %s: LBA=%d nb_sectors=%d\n", s->atapi_dma ? "dma" : "pio", + lba, nb_sectors); +#endif + if (s->atapi_dma) { + ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size); + } else { + ide_atapi_cmd_read_pio(s, lba, nb_sectors, sector_size); + } +} + +static inline uint8_t ide_atapi_set_profile(uint8_t *buf, uint8_t *index, + uint16_t profile) +{ + uint8_t *buf_profile = buf + 12; /* start of profiles */ + + buf_profile += ((*index) * 4); /* start of indexed profile */ + cpu_to_ube16 (buf_profile, profile); + buf_profile[2] = ((buf_profile[0] == buf[6]) && (buf_profile[1] == buf[7])); + + /* each profile adds 4 bytes to the response */ + (*index)++; + buf[11] += 4; /* Additional Length */ + + return 4; +} + +static int ide_dvd_read_structure(IDEState *s, int format, + const uint8_t *packet, uint8_t *buf) +{ + switch (format) { + case 0x0: /* Physical format information */ + { + int layer = packet[6]; + uint64_t total_sectors; + + if (layer != 0) + return -ASC_INV_FIELD_IN_CMD_PACKET; + + bdrv_get_geometry(s->bs, &total_sectors); + total_sectors >>= 2; + if (total_sectors == 0) + return -ASC_MEDIUM_NOT_PRESENT; + + buf[4] = 1; /* DVD-ROM, part version 1 */ + buf[5] = 0xf; /* 120mm disc, minimum rate unspecified */ + buf[6] = 1; /* one layer, read-only (per MMC-2 spec) */ + buf[7] = 0; /* default densities */ + + /* FIXME: 0x30000 per spec? */ + cpu_to_ube32(buf + 8, 0); /* start sector */ + cpu_to_ube32(buf + 12, total_sectors - 1); /* end sector */ + cpu_to_ube32(buf + 16, total_sectors - 1); /* l0 end sector */ + + /* Size of buffer, not including 2 byte size field */ + cpu_to_be16wu((uint16_t *)buf, 2048 + 2); + + /* 2k data + 4 byte header */ + return (2048 + 4); + } + + case 0x01: /* DVD copyright information */ + buf[4] = 0; /* no copyright data */ + buf[5] = 0; /* no region restrictions */ + + /* Size of buffer, not including 2 byte size field */ + cpu_to_be16wu((uint16_t *)buf, 4 + 2); + + /* 4 byte header + 4 byte data */ + return (4 + 4); + + case 0x03: /* BCA information - invalid field for no BCA info */ + return -ASC_INV_FIELD_IN_CMD_PACKET; + + case 0x04: /* DVD disc manufacturing information */ + /* Size of buffer, not including 2 byte size field */ + cpu_to_be16wu((uint16_t *)buf, 2048 + 2); + + /* 2k data + 4 byte header */ + return (2048 + 4); + + case 0xff: + /* + * This lists all the command capabilities above. Add new ones + * in order and update the length and buffer return values. + */ + + buf[4] = 0x00; /* Physical format */ + buf[5] = 0x40; /* Not writable, is readable */ + cpu_to_be16wu((uint16_t *)(buf + 6), 2048 + 4); + + buf[8] = 0x01; /* Copyright info */ + buf[9] = 0x40; /* Not writable, is readable */ + cpu_to_be16wu((uint16_t *)(buf + 10), 4 + 4); + + buf[12] = 0x03; /* BCA info */ + buf[13] = 0x40; /* Not writable, is readable */ + cpu_to_be16wu((uint16_t *)(buf + 14), 188 + 4); + + buf[16] = 0x04; /* Manufacturing info */ + buf[17] = 0x40; /* Not writable, is readable */ + cpu_to_be16wu((uint16_t *)(buf + 18), 2048 + 4); + + /* Size of buffer, not including 2 byte size field */ + cpu_to_be16wu((uint16_t *)buf, 16 + 2); + + /* data written + 4 byte header */ + return (16 + 4); + + default: /* TODO: formats beyond DVD-ROM requires */ + return -ASC_INV_FIELD_IN_CMD_PACKET; + } +} + +static void ide_atapi_cmd(IDEState *s) +{ + const uint8_t *packet; + uint8_t *buf; + int max_len; + + packet = s->io_buffer; + buf = s->io_buffer; +#ifdef DEBUG_IDE_ATAPI + { + int i; + printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8)); + for(i = 0; i < ATAPI_PACKET_SIZE; i++) { + printf(" %02x", packet[i]); + } + printf("\n"); + } +#endif + /* If there's a UNIT_ATTENTION condition pending, only + REQUEST_SENSE and INQUIRY commands are allowed to complete. */ + if (s->sense_key == SENSE_UNIT_ATTENTION && + s->io_buffer[0] != GPCMD_REQUEST_SENSE && + s->io_buffer[0] != GPCMD_INQUIRY) { + ide_atapi_cmd_check_status(s); + return; + } + switch(s->io_buffer[0]) { + case GPCMD_TEST_UNIT_READY: + if (bdrv_is_inserted(s->bs) && !s->cdrom_changed) { + ide_atapi_cmd_ok(s); + } else { + s->cdrom_changed = 0; + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + } + break; + case GPCMD_MODE_SENSE_6: + case GPCMD_MODE_SENSE_10: + { + int action, code; + if (packet[0] == GPCMD_MODE_SENSE_10) + max_len = ube16_to_cpu(packet + 7); + else + max_len = packet[4]; + action = packet[2] >> 6; + code = packet[2] & 0x3f; + switch(action) { + case 0: /* current values */ + switch(code) { + case 0x01: /* error recovery */ + cpu_to_ube16(&buf[0], 16 + 6); + buf[2] = 0x70; + buf[3] = 0; + buf[4] = 0; + buf[5] = 0; + buf[6] = 0; + buf[7] = 0; + + buf[8] = 0x01; + buf[9] = 0x06; + buf[10] = 0x00; + buf[11] = 0x05; + buf[12] = 0x00; + buf[13] = 0x00; + buf[14] = 0x00; + buf[15] = 0x00; + ide_atapi_cmd_reply(s, 16, max_len); + break; + case 0x2a: + cpu_to_ube16(&buf[0], 28 + 6); + buf[2] = 0x70; + buf[3] = 0; + buf[4] = 0; + buf[5] = 0; + buf[6] = 0; + buf[7] = 0; + + buf[8] = 0x2a; + buf[9] = 0x12; + buf[10] = 0x00; + buf[11] = 0x00; + + /* Claim PLAY_AUDIO capability (0x01) since some Linux + code checks for this to automount media. */ + buf[12] = 0x71; + buf[13] = 3 << 5; + buf[14] = (1 << 0) | (1 << 3) | (1 << 5); + if (bdrv_is_locked(s->bs)) + buf[6] |= 1 << 1; + buf[15] = 0x00; + cpu_to_ube16(&buf[16], 706); + buf[18] = 0; + buf[19] = 2; + cpu_to_ube16(&buf[20], 512); + cpu_to_ube16(&buf[22], 706); + buf[24] = 0; + buf[25] = 0; + buf[26] = 0; + buf[27] = 0; + ide_atapi_cmd_reply(s, 28, max_len); + break; + default: + goto error_cmd; + } + break; + case 1: /* changeable values */ + goto error_cmd; + case 2: /* default values */ + goto error_cmd; + default: + case 3: /* saved values */ + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_SAVING_PARAMETERS_NOT_SUPPORTED); + break; + } + } + break; + case GPCMD_REQUEST_SENSE: + max_len = packet[4]; + memset(buf, 0, 18); + buf[0] = 0x70 | (1 << 7); + buf[2] = s->sense_key; + buf[7] = 10; + buf[12] = s->asc; + if (s->sense_key == SENSE_UNIT_ATTENTION) + s->sense_key = SENSE_NONE; + ide_atapi_cmd_reply(s, 18, max_len); + break; + case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL: + if (bdrv_is_inserted(s->bs)) { + bdrv_set_locked(s->bs, packet[4] & 1); + ide_atapi_cmd_ok(s); + } else { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + } + break; + case GPCMD_READ_10: + case GPCMD_READ_12: + { + int nb_sectors, lba; + + if (packet[0] == GPCMD_READ_10) + nb_sectors = ube16_to_cpu(packet + 7); + else + nb_sectors = ube32_to_cpu(packet + 6); + lba = ube32_to_cpu(packet + 2); + if (nb_sectors == 0) { + ide_atapi_cmd_ok(s); + break; + } + ide_atapi_cmd_read(s, lba, nb_sectors, 2048); + } + break; + case GPCMD_READ_CD: + { + int nb_sectors, lba, transfer_request; + + nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8]; + lba = ube32_to_cpu(packet + 2); + if (nb_sectors == 0) { + ide_atapi_cmd_ok(s); + break; + } + transfer_request = packet[9]; + switch(transfer_request & 0xf8) { + case 0x00: + /* nothing */ + ide_atapi_cmd_ok(s); + break; + case 0x10: + /* normal read */ + ide_atapi_cmd_read(s, lba, nb_sectors, 2048); + break; + case 0xf8: + /* read all data */ + ide_atapi_cmd_read(s, lba, nb_sectors, 2352); + break; + default: + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_INV_FIELD_IN_CMD_PACKET); + break; + } + } + break; + case GPCMD_SEEK: + { + unsigned int lba; + uint64_t total_sectors; + + bdrv_get_geometry(s->bs, &total_sectors); + total_sectors >>= 2; + if (total_sectors == 0) { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + break; + } + lba = ube32_to_cpu(packet + 2); + if (lba >= total_sectors) { + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_LOGICAL_BLOCK_OOR); + break; + } + ide_atapi_cmd_ok(s); + } + break; + case GPCMD_START_STOP_UNIT: + { + int start, eject, err = 0; + start = packet[4] & 1; + eject = (packet[4] >> 1) & 1; + + if (eject) { + err = bdrv_eject(s->bs, !start); + } + + switch (err) { + case 0: + ide_atapi_cmd_ok(s); + break; + case -EBUSY: + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIA_REMOVAL_PREVENTED); + break; + default: + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + break; + } + } + break; + case GPCMD_MECHANISM_STATUS: + { + max_len = ube16_to_cpu(packet + 8); + cpu_to_ube16(buf, 0); + /* no current LBA */ + buf[2] = 0; + buf[3] = 0; + buf[4] = 0; + buf[5] = 1; + cpu_to_ube16(buf + 6, 0); + ide_atapi_cmd_reply(s, 8, max_len); + } + break; + case GPCMD_READ_TOC_PMA_ATIP: + { + int format, msf, start_track, len; + uint64_t total_sectors; + + bdrv_get_geometry(s->bs, &total_sectors); + total_sectors >>= 2; + if (total_sectors == 0) { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + break; + } + max_len = ube16_to_cpu(packet + 7); + format = packet[9] >> 6; + msf = (packet[1] >> 1) & 1; + start_track = packet[6]; + switch(format) { + case 0: + len = cdrom_read_toc(total_sectors, buf, msf, start_track); + if (len < 0) + goto error_cmd; + ide_atapi_cmd_reply(s, len, max_len); + break; + case 1: + /* multi session : only a single session defined */ + memset(buf, 0, 12); + buf[1] = 0x0a; + buf[2] = 0x01; + buf[3] = 0x01; + ide_atapi_cmd_reply(s, 12, max_len); + break; + case 2: + len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track); + if (len < 0) + goto error_cmd; + ide_atapi_cmd_reply(s, len, max_len); + break; + default: + error_cmd: + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_INV_FIELD_IN_CMD_PACKET); + break; + } + } + break; + case GPCMD_READ_CDVD_CAPACITY: + { + uint64_t total_sectors; + + bdrv_get_geometry(s->bs, &total_sectors); + total_sectors >>= 2; + if (total_sectors == 0) { + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + break; + } + /* NOTE: it is really the number of sectors minus 1 */ + cpu_to_ube32(buf, total_sectors - 1); + cpu_to_ube32(buf + 4, 2048); + ide_atapi_cmd_reply(s, 8, 8); + } + break; + case GPCMD_READ_DVD_STRUCTURE: + { + int media = packet[1]; + int format = packet[7]; + int ret; + + max_len = ube16_to_cpu(packet + 8); + + if (format < 0xff) { + if (media_is_cd(s)) { + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_INCOMPATIBLE_FORMAT); + break; + } else if (!media_present(s)) { + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_INV_FIELD_IN_CMD_PACKET); + break; + } + } + + memset(buf, 0, max_len > IDE_DMA_BUF_SECTORS * 512 + 4 ? + IDE_DMA_BUF_SECTORS * 512 + 4 : max_len); + + switch (format) { + case 0x00 ... 0x7f: + case 0xff: + if (media == 0) { + ret = ide_dvd_read_structure(s, format, packet, buf); + + if (ret < 0) + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, -ret); + else + ide_atapi_cmd_reply(s, ret, max_len); + + break; + } + /* TODO: BD support, fall through for now */ + + /* Generic disk structures */ + case 0x80: /* TODO: AACS volume identifier */ + case 0x81: /* TODO: AACS media serial number */ + case 0x82: /* TODO: AACS media identifier */ + case 0x83: /* TODO: AACS media key block */ + case 0x90: /* TODO: List of recognized format layers */ + case 0xc0: /* TODO: Write protection status */ + default: + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_INV_FIELD_IN_CMD_PACKET); + break; + } + } + break; + case GPCMD_SET_SPEED: + ide_atapi_cmd_ok(s); + break; + case GPCMD_INQUIRY: + max_len = packet[4]; + buf[0] = 0x05; /* CD-ROM */ + buf[1] = 0x80; /* removable */ + buf[2] = 0x00; /* ISO */ + buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */ + buf[4] = 31; /* additional length */ + buf[5] = 0; /* reserved */ + buf[6] = 0; /* reserved */ + buf[7] = 0; /* reserved */ + padstr8(buf + 8, 8, "QEMU"); + padstr8(buf + 16, 16, "QEMU DVD-ROM"); + padstr8(buf + 32, 4, QEMU_VERSION); + ide_atapi_cmd_reply(s, 36, max_len); + break; + case GPCMD_GET_CONFIGURATION: + { + uint32_t len; + uint8_t index = 0; + + /* only feature 0 is supported */ + if (packet[2] != 0 || packet[3] != 0) { + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_INV_FIELD_IN_CMD_PACKET); + break; + } + + /* XXX: could result in alignment problems in some architectures */ + max_len = ube16_to_cpu(packet + 7); + + /* + * XXX: avoid overflow for io_buffer if max_len is bigger than + * the size of that buffer (dimensioned to max number of + * sectors to transfer at once) + * + * Only a problem if the feature/profiles grow. + */ + if (max_len > 512) /* XXX: assume 1 sector */ + max_len = 512; + + memset(buf, 0, max_len); + /* + * the number of sectors from the media tells us which profile + * to use as current. 0 means there is no media + */ + if (media_is_dvd(s)) + cpu_to_ube16(buf + 6, MMC_PROFILE_DVD_ROM); + else if (media_is_cd(s)) + cpu_to_ube16(buf + 6, MMC_PROFILE_CD_ROM); + + buf[10] = 0x02 | 0x01; /* persistent and current */ + len = 12; /* headers: 8 + 4 */ + len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_DVD_ROM); + len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_CD_ROM); + cpu_to_ube32(buf, len - 4); /* data length */ + + ide_atapi_cmd_reply(s, len, max_len); + break; + } + default: + ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, + ASC_ILLEGAL_OPCODE); + break; + } +} + +static void ide_cfata_metadata_inquiry(IDEState *s) +{ + uint16_t *p; + uint32_t spd; + + p = (uint16_t *) s->io_buffer; + memset(p, 0, 0x200); + spd = ((s->mdata_size - 1) >> 9) + 1; + + put_le16(p + 0, 0x0001); /* Data format revision */ + put_le16(p + 1, 0x0000); /* Media property: silicon */ + put_le16(p + 2, s->media_changed); /* Media status */ + put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ + put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ + put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ + put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ +} + +static void ide_cfata_metadata_read(IDEState *s) +{ + uint16_t *p; + + if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { + s->status = ERR_STAT; + s->error = ABRT_ERR; + return; + } + + p = (uint16_t *) s->io_buffer; + memset(p, 0, 0x200); + + put_le16(p + 0, s->media_changed); /* Media status */ + memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), + MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), + s->nsector << 9), 0x200 - 2)); +} + +static void ide_cfata_metadata_write(IDEState *s) +{ + if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { + s->status = ERR_STAT; + s->error = ABRT_ERR; + return; + } + + s->media_changed = 0; + + memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), + s->io_buffer + 2, + MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), + s->nsector << 9), 0x200 - 2)); +} + +/* called when the inserted state of the media has changed */ +static void cdrom_change_cb(void *opaque) +{ + IDEState *s = opaque; + uint64_t nb_sectors; + + bdrv_get_geometry(s->bs, &nb_sectors); + s->nb_sectors = nb_sectors; + + s->sense_key = SENSE_UNIT_ATTENTION; + s->asc = ASC_MEDIUM_MAY_HAVE_CHANGED; + s->cdrom_changed = 1; + ide_set_irq(s); +} + +static void ide_cmd_lba48_transform(IDEState *s, int lba48) +{ + s->lba48 = lba48; + + /* handle the 'magic' 0 nsector count conversion here. to avoid + * fiddling with the rest of the read logic, we just store the + * full sector count in ->nsector and ignore ->hob_nsector from now + */ + if (!s->lba48) { + if (!s->nsector) + s->nsector = 256; + } else { + if (!s->nsector && !s->hob_nsector) + s->nsector = 65536; + else { + int lo = s->nsector; + int hi = s->hob_nsector; + + s->nsector = (hi << 8) | lo; + } + } +} + +static void ide_clear_hob(IDEBus *bus) +{ + /* any write clears HOB high bit of device control register */ + bus->ifs[0].select &= ~(1 << 7); + bus->ifs[1].select &= ~(1 << 7); +} + +void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) +{ + IDEBus *bus = opaque; + IDEState *s; + int n; + int lba48 = 0; + +#ifdef DEBUG_IDE + printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); +#endif + + addr &= 7; + + /* ignore writes to command block while busy with previous command */ + if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) + return; + + switch(addr) { + case 0: + break; + case 1: + ide_clear_hob(bus); + /* NOTE: data is written to the two drives */ + bus->ifs[0].hob_feature = bus->ifs[0].feature; + bus->ifs[1].hob_feature = bus->ifs[1].feature; + bus->ifs[0].feature = val; + bus->ifs[1].feature = val; + break; + case 2: + ide_clear_hob(bus); + bus->ifs[0].hob_nsector = bus->ifs[0].nsector; + bus->ifs[1].hob_nsector = bus->ifs[1].nsector; + bus->ifs[0].nsector = val; + bus->ifs[1].nsector = val; + break; + case 3: + ide_clear_hob(bus); + bus->ifs[0].hob_sector = bus->ifs[0].sector; + bus->ifs[1].hob_sector = bus->ifs[1].sector; + bus->ifs[0].sector = val; + bus->ifs[1].sector = val; + break; + case 4: + ide_clear_hob(bus); + bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl; + bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl; + bus->ifs[0].lcyl = val; + bus->ifs[1].lcyl = val; + break; + case 5: + ide_clear_hob(bus); + bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl; + bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl; + bus->ifs[0].hcyl = val; + bus->ifs[1].hcyl = val; + break; + case 6: + /* FIXME: HOB readback uses bit 7 */ + bus->ifs[0].select = (val & ~0x10) | 0xa0; + bus->ifs[1].select = (val | 0x10) | 0xa0; + /* select drive */ + bus->unit = (val >> 4) & 1; + break; + default: + case 7: + /* command */ +#if defined(DEBUG_IDE) + printf("ide: CMD=%02x\n", val); +#endif + s = idebus_active_if(bus); + /* ignore commands to non existant slave */ + if (s != bus->ifs && !s->bs) + break; + + /* Only DEVICE RESET is allowed while BSY or/and DRQ are set */ + if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET) + break; + + switch(val) { + case WIN_IDENTIFY: + if (s->bs && !s->is_cdrom) { + if (!s->is_cf) + ide_identify(s); + else + ide_cfata_identify(s); + s->status = READY_STAT | SEEK_STAT; + ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); + } else { + if (s->is_cdrom) { + ide_set_signature(s); + } + ide_abort_command(s); + } + ide_set_irq(s); + break; + case WIN_SPECIFY: + case WIN_RECAL: + s->error = 0; + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case WIN_SETMULT: + if (s->is_cf && s->nsector == 0) { + /* Disable Read and Write Multiple */ + s->mult_sectors = 0; + s->status = READY_STAT | SEEK_STAT; + } else if ((s->nsector & 0xff) != 0 && + ((s->nsector & 0xff) > MAX_MULT_SECTORS || + (s->nsector & (s->nsector - 1)) != 0)) { + ide_abort_command(s); + } else { + s->mult_sectors = s->nsector & 0xff; + s->status = READY_STAT | SEEK_STAT; + } + ide_set_irq(s); + break; + case WIN_VERIFY_EXT: + lba48 = 1; + case WIN_VERIFY: + case WIN_VERIFY_ONCE: + /* do sector number check ? */ + ide_cmd_lba48_transform(s, lba48); + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case WIN_READ_EXT: + lba48 = 1; + case WIN_READ: + case WIN_READ_ONCE: + if (!s->bs) + goto abort_cmd; + ide_cmd_lba48_transform(s, lba48); + s->req_nb_sectors = 1; + ide_sector_read(s); + break; + case WIN_WRITE_EXT: + lba48 = 1; + case WIN_WRITE: + case WIN_WRITE_ONCE: + case CFA_WRITE_SECT_WO_ERASE: + case WIN_WRITE_VERIFY: + ide_cmd_lba48_transform(s, lba48); + s->error = 0; + s->status = SEEK_STAT | READY_STAT; + s->req_nb_sectors = 1; + ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); + s->media_changed = 1; + break; + case WIN_MULTREAD_EXT: + lba48 = 1; + case WIN_MULTREAD: + if (!s->mult_sectors) + goto abort_cmd; + ide_cmd_lba48_transform(s, lba48); + s->req_nb_sectors = s->mult_sectors; + ide_sector_read(s); + break; + case WIN_MULTWRITE_EXT: + lba48 = 1; + case WIN_MULTWRITE: + case CFA_WRITE_MULTI_WO_ERASE: + if (!s->mult_sectors) + goto abort_cmd; + ide_cmd_lba48_transform(s, lba48); + s->error = 0; + s->status = SEEK_STAT | READY_STAT; + s->req_nb_sectors = s->mult_sectors; + n = s->nsector; + if (n > s->req_nb_sectors) + n = s->req_nb_sectors; + ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write); + s->media_changed = 1; + break; + case WIN_READDMA_EXT: + lba48 = 1; + case WIN_READDMA: + case WIN_READDMA_ONCE: + if (!s->bs) + goto abort_cmd; + ide_cmd_lba48_transform(s, lba48); + ide_sector_read_dma(s); + break; + case WIN_WRITEDMA_EXT: + lba48 = 1; + case WIN_WRITEDMA: + case WIN_WRITEDMA_ONCE: + if (!s->bs) + goto abort_cmd; + ide_cmd_lba48_transform(s, lba48); + ide_sector_write_dma(s); + s->media_changed = 1; + break; + case WIN_READ_NATIVE_MAX_EXT: + lba48 = 1; + case WIN_READ_NATIVE_MAX: + ide_cmd_lba48_transform(s, lba48); + ide_set_sector(s, s->nb_sectors - 1); + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case WIN_CHECKPOWERMODE1: + case WIN_CHECKPOWERMODE2: + s->nsector = 0xff; /* device active or idle */ + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case WIN_SETFEATURES: + if (!s->bs) + goto abort_cmd; + /* XXX: valid for CDROM ? */ + switch(s->feature) { + case 0xcc: /* reverting to power-on defaults enable */ + case 0x66: /* reverting to power-on defaults disable */ + case 0x02: /* write cache enable */ + case 0x82: /* write cache disable */ + case 0xaa: /* read look-ahead enable */ + case 0x55: /* read look-ahead disable */ + case 0x05: /* set advanced power management mode */ + case 0x85: /* disable advanced power management mode */ + case 0x69: /* NOP */ + case 0x67: /* NOP */ + case 0x96: /* NOP */ + case 0x9a: /* NOP */ + case 0x42: /* enable Automatic Acoustic Mode */ + case 0xc2: /* disable Automatic Acoustic Mode */ + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case 0x03: { /* set transfer mode */ + uint8_t val = s->nsector & 0x07; + + switch (s->nsector >> 3) { + case 0x00: /* pio default */ + case 0x01: /* pio mode */ + put_le16(s->identify_data + 62,0x07); + put_le16(s->identify_data + 63,0x07); + put_le16(s->identify_data + 88,0x3f); + break; + case 0x02: /* sigle word dma mode*/ + put_le16(s->identify_data + 62,0x07 | (1 << (val + 8))); + put_le16(s->identify_data + 63,0x07); + put_le16(s->identify_data + 88,0x3f); + break; + case 0x04: /* mdma mode */ + put_le16(s->identify_data + 62,0x07); + put_le16(s->identify_data + 63,0x07 | (1 << (val + 8))); + put_le16(s->identify_data + 88,0x3f); + break; + case 0x08: /* udma mode */ + put_le16(s->identify_data + 62,0x07); + put_le16(s->identify_data + 63,0x07); + put_le16(s->identify_data + 88,0x3f | (1 << (val + 8))); + break; + default: + goto abort_cmd; + } + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + } + default: + goto abort_cmd; + } + break; + case WIN_FLUSH_CACHE: + case WIN_FLUSH_CACHE_EXT: + if (s->bs) + bdrv_flush(s->bs); + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case WIN_STANDBY: + case WIN_STANDBY2: + case WIN_STANDBYNOW1: + case WIN_STANDBYNOW2: + case WIN_IDLEIMMEDIATE: + case CFA_IDLEIMMEDIATE: + case WIN_SETIDLE1: + case WIN_SETIDLE2: + case WIN_SLEEPNOW1: + case WIN_SLEEPNOW2: + s->status = READY_STAT; + ide_set_irq(s); + break; + case WIN_SEEK: + if(s->is_cdrom) + goto abort_cmd; + /* XXX: Check that seek is within bounds */ + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + /* ATAPI commands */ + case WIN_PIDENTIFY: + if (s->is_cdrom) { + ide_atapi_identify(s); + s->status = READY_STAT | SEEK_STAT; + ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); + } else { + ide_abort_command(s); + } + ide_set_irq(s); + break; + case WIN_DIAGNOSE: + ide_set_signature(s); + if (s->is_cdrom) + s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet + * devices to return a clear status register + * with READY_STAT *not* set. */ + else + s->status = READY_STAT | SEEK_STAT; + s->error = 0x01; /* Device 0 passed, Device 1 passed or not + * present. + */ + ide_set_irq(s); + break; + case WIN_SRST: + if (!s->is_cdrom) + goto abort_cmd; + ide_set_signature(s); + s->status = 0x00; /* NOTE: READY is _not_ set */ + s->error = 0x01; + break; + case WIN_PACKETCMD: + if (!s->is_cdrom) + goto abort_cmd; + /* overlapping commands not supported */ + if (s->feature & 0x02) + goto abort_cmd; + s->status = READY_STAT | SEEK_STAT; + s->atapi_dma = s->feature & 1; + s->nsector = 1; + ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, + ide_atapi_cmd); + break; + /* CF-ATA commands */ + case CFA_REQ_EXT_ERROR_CODE: + if (!s->is_cf) + goto abort_cmd; + s->error = 0x09; /* miscellaneous error */ + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case CFA_ERASE_SECTORS: + case CFA_WEAR_LEVEL: + if (!s->is_cf) + goto abort_cmd; + if (val == CFA_WEAR_LEVEL) + s->nsector = 0; + if (val == CFA_ERASE_SECTORS) + s->media_changed = 1; + s->error = 0x00; + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case CFA_TRANSLATE_SECTOR: + if (!s->is_cf) + goto abort_cmd; + s->error = 0x00; + s->status = READY_STAT | SEEK_STAT; + memset(s->io_buffer, 0, 0x200); + s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ + s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ + s->io_buffer[0x02] = s->select; /* Head */ + s->io_buffer[0x03] = s->sector; /* Sector */ + s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ + s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ + s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ + s->io_buffer[0x13] = 0x00; /* Erase flag */ + s->io_buffer[0x18] = 0x00; /* Hot count */ + s->io_buffer[0x19] = 0x00; /* Hot count */ + s->io_buffer[0x1a] = 0x01; /* Hot count */ + ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); + ide_set_irq(s); + break; + case CFA_ACCESS_METADATA_STORAGE: + if (!s->is_cf) + goto abort_cmd; + switch (s->feature) { + case 0x02: /* Inquiry Metadata Storage */ + ide_cfata_metadata_inquiry(s); + break; + case 0x03: /* Read Metadata Storage */ + ide_cfata_metadata_read(s); + break; + case 0x04: /* Write Metadata Storage */ + ide_cfata_metadata_write(s); + break; + default: + goto abort_cmd; + } + ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); + s->status = 0x00; /* NOTE: READY is _not_ set */ + ide_set_irq(s); + break; + case IBM_SENSE_CONDITION: + if (!s->is_cf) + goto abort_cmd; + switch (s->feature) { + case 0x01: /* sense temperature in device */ + s->nsector = 0x50; /* +20 C */ + break; + default: + goto abort_cmd; + } + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + + case WIN_SMART: + if (s->is_cdrom) + goto abort_cmd; + if (s->hcyl != 0xc2 || s->lcyl != 0x4f) + goto abort_cmd; + if (!s->smart_enabled && s->feature != SMART_ENABLE) + goto abort_cmd; + switch (s->feature) { + case SMART_DISABLE: + s->smart_enabled = 0; + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case SMART_ENABLE: + s->smart_enabled = 1; + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case SMART_ATTR_AUTOSAVE: + switch (s->sector) { + case 0x00: + s->smart_autosave = 0; + break; + case 0xf1: + s->smart_autosave = 1; + break; + default: + goto abort_cmd; + } + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case SMART_STATUS: + if (!s->smart_errors) { + s->hcyl = 0xc2; + s->lcyl = 0x4f; + } else { + s->hcyl = 0x2c; + s->lcyl = 0xf4; + } + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + case SMART_READ_THRESH: + memset(s->io_buffer, 0, 0x200); + s->io_buffer[0] = 0x01; /* smart struct version */ + for (n=0; n<30; n++) { + if (smart_attributes[n][0] == 0) + break; + s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; + s->io_buffer[2+1+(n*12)] = smart_attributes[n][4]; + } + for (n=0; n<511; n++) /* checksum */ + s->io_buffer[511] += s->io_buffer[n]; + s->io_buffer[511] = 0x100 - s->io_buffer[511]; + s->status = READY_STAT | SEEK_STAT; + ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); + ide_set_irq(s); + break; + case SMART_READ_DATA: + memset(s->io_buffer, 0, 0x200); + s->io_buffer[0] = 0x01; /* smart struct version */ + for (n=0; n<30; n++) { + if (smart_attributes[n][0] == 0) + break; + s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; + s->io_buffer[2+1+(n*12)] = smart_attributes[n][1]; + s->io_buffer[2+3+(n*12)] = smart_attributes[n][2]; + s->io_buffer[2+4+(n*12)] = smart_attributes[n][3]; + } + s->io_buffer[362] = 0x02 | (s->smart_autosave?0x80:0x00); + if (s->smart_selftest_count == 0) { + s->io_buffer[363] = 0; + } else { + s->io_buffer[363] = + s->smart_selftest_data[3 + + (s->smart_selftest_count - 1) * + 24]; + } + s->io_buffer[364] = 0x20; + s->io_buffer[365] = 0x01; + /* offline data collection capacity: execute + self-test*/ + s->io_buffer[367] = (1<<4 | 1<<3 | 1); + s->io_buffer[368] = 0x03; /* smart capability (1) */ + s->io_buffer[369] = 0x00; /* smart capability (2) */ + s->io_buffer[370] = 0x01; /* error logging supported */ + s->io_buffer[372] = 0x02; /* minutes for poll short test */ + s->io_buffer[373] = 0x36; /* minutes for poll ext test */ + s->io_buffer[374] = 0x01; /* minutes for poll conveyance */ + + for (n=0; n<511; n++) + s->io_buffer[511] += s->io_buffer[n]; + s->io_buffer[511] = 0x100 - s->io_buffer[511]; + s->status = READY_STAT | SEEK_STAT; + ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); + ide_set_irq(s); + break; + case SMART_READ_LOG: + switch (s->sector) { + case 0x01: /* summary smart error log */ + memset(s->io_buffer, 0, 0x200); + s->io_buffer[0] = 0x01; + s->io_buffer[1] = 0x00; /* no error entries */ + s->io_buffer[452] = s->smart_errors & 0xff; + s->io_buffer[453] = (s->smart_errors & 0xff00) >> 8; + + for (n=0; n<511; n++) + s->io_buffer[511] += s->io_buffer[n]; + s->io_buffer[511] = 0x100 - s->io_buffer[511]; + break; + case 0x06: /* smart self test log */ + memset(s->io_buffer, 0, 0x200); + s->io_buffer[0] = 0x01; + if (s->smart_selftest_count == 0) { + s->io_buffer[508] = 0; + } else { + s->io_buffer[508] = s->smart_selftest_count; + for (n=2; n<506; n++) + s->io_buffer[n] = s->smart_selftest_data[n]; + } + for (n=0; n<511; n++) + s->io_buffer[511] += s->io_buffer[n]; + s->io_buffer[511] = 0x100 - s->io_buffer[511]; + break; + default: + goto abort_cmd; + } + s->status = READY_STAT | SEEK_STAT; + ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); + ide_set_irq(s); + break; + case SMART_EXECUTE_OFFLINE: + switch (s->sector) { + case 0: /* off-line routine */ + case 1: /* short self test */ + case 2: /* extended self test */ + s->smart_selftest_count++; + if(s->smart_selftest_count > 21) + s->smart_selftest_count = 0; + n = 2 + (s->smart_selftest_count - 1) * 24; + s->smart_selftest_data[n] = s->sector; + s->smart_selftest_data[n+1] = 0x00; /* OK and finished */ + s->smart_selftest_data[n+2] = 0x34; /* hour count lsb */ + s->smart_selftest_data[n+3] = 0x12; /* hour count msb */ + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + break; + default: + goto abort_cmd; + } + break; + default: + goto abort_cmd; + } + break; + default: + abort_cmd: + ide_abort_command(s); + ide_set_irq(s); + break; + } + } +} + +uint32_t ide_ioport_read(void *opaque, uint32_t addr1) +{ + IDEBus *bus = opaque; + IDEState *s = idebus_active_if(bus); + uint32_t addr; + int ret, hob; + + addr = addr1 & 7; + /* FIXME: HOB readback uses bit 7, but it's always set right now */ + //hob = s->select & (1 << 7); + hob = 0; + switch(addr) { + case 0: + ret = 0xff; + break; + case 1: + if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || + (s != bus->ifs && !s->bs)) + ret = 0; + else if (!hob) + ret = s->error; + else + ret = s->hob_feature; + break; + case 2: + if (!bus->ifs[0].bs && !bus->ifs[1].bs) + ret = 0; + else if (!hob) + ret = s->nsector & 0xff; + else + ret = s->hob_nsector; + break; + case 3: + if (!bus->ifs[0].bs && !bus->ifs[1].bs) + ret = 0; + else if (!hob) + ret = s->sector; + else + ret = s->hob_sector; + break; + case 4: + if (!bus->ifs[0].bs && !bus->ifs[1].bs) + ret = 0; + else if (!hob) + ret = s->lcyl; + else + ret = s->hob_lcyl; + break; + case 5: + if (!bus->ifs[0].bs && !bus->ifs[1].bs) + ret = 0; + else if (!hob) + ret = s->hcyl; + else + ret = s->hob_hcyl; + break; + case 6: + if (!bus->ifs[0].bs && !bus->ifs[1].bs) + ret = 0; + else + ret = s->select; + break; + default: + case 7: + if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || + (s != bus->ifs && !s->bs)) + ret = 0; + else + ret = s->status; + qemu_irq_lower(s->irq); + break; + } +#ifdef DEBUG_IDE + printf("ide: read addr=0x%x val=%02x\n", addr1, ret); +#endif + return ret; +} + +uint32_t ide_status_read(void *opaque, uint32_t addr) +{ + IDEBus *bus = opaque; + IDEState *s = idebus_active_if(bus); + int ret; + + if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || + (s != bus->ifs && !s->bs)) + ret = 0; + else + ret = s->status; +#ifdef DEBUG_IDE + printf("ide: read status addr=0x%x val=%02x\n", addr, ret); +#endif + return ret; +} + +void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) +{ + IDEBus *bus = opaque; + IDEState *s; + int i; + +#ifdef DEBUG_IDE + printf("ide: write control addr=0x%x val=%02x\n", addr, val); +#endif + /* common for both drives */ + if (!(bus->ifs[0].cmd & IDE_CMD_RESET) && + (val & IDE_CMD_RESET)) { + /* reset low to high */ + for(i = 0;i < 2; i++) { + s = &bus->ifs[i]; + s->status = BUSY_STAT | SEEK_STAT; + s->error = 0x01; + } + } else if ((bus->ifs[0].cmd & IDE_CMD_RESET) && + !(val & IDE_CMD_RESET)) { + /* high to low */ + for(i = 0;i < 2; i++) { + s = &bus->ifs[i]; + if (s->is_cdrom) + s->status = 0x00; /* NOTE: READY is _not_ set */ + else + s->status = READY_STAT | SEEK_STAT; + ide_set_signature(s); + } + } + + bus->ifs[0].cmd = val; + bus->ifs[1].cmd = val; +} + +void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) +{ + IDEBus *bus = opaque; + IDEState *s = idebus_active_if(bus); + uint8_t *p; + + /* PIO data access allowed only when DRQ bit is set */ + if (!(s->status & DRQ_STAT)) + return; + + p = s->data_ptr; + *(uint16_t *)p = le16_to_cpu(val); + p += 2; + s->data_ptr = p; + if (p >= s->data_end) + s->end_transfer_func(s); +} + +uint32_t ide_data_readw(void *opaque, uint32_t addr) +{ + IDEBus *bus = opaque; + IDEState *s = idebus_active_if(bus); + uint8_t *p; + int ret; + + /* PIO data access allowed only when DRQ bit is set */ + if (!(s->status & DRQ_STAT)) + return 0; + + p = s->data_ptr; + ret = cpu_to_le16(*(uint16_t *)p); + p += 2; + s->data_ptr = p; + if (p >= s->data_end) + s->end_transfer_func(s); + return ret; +} + +void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) +{ + IDEBus *bus = opaque; + IDEState *s = idebus_active_if(bus); + uint8_t *p; + + /* PIO data access allowed only when DRQ bit is set */ + if (!(s->status & DRQ_STAT)) + return; + + p = s->data_ptr; + *(uint32_t *)p = le32_to_cpu(val); + p += 4; + s->data_ptr = p; + if (p >= s->data_end) + s->end_transfer_func(s); +} + +uint32_t ide_data_readl(void *opaque, uint32_t addr) +{ + IDEBus *bus = opaque; + IDEState *s = idebus_active_if(bus); + uint8_t *p; + int ret; + + /* PIO data access allowed only when DRQ bit is set */ + if (!(s->status & DRQ_STAT)) + return 0; + + p = s->data_ptr; + ret = cpu_to_le32(*(uint32_t *)p); + p += 4; + s->data_ptr = p; + if (p >= s->data_end) + s->end_transfer_func(s); + return ret; +} + +static void ide_dummy_transfer_stop(IDEState *s) +{ + s->data_ptr = s->io_buffer; + s->data_end = s->io_buffer; + s->io_buffer[0] = 0xff; + s->io_buffer[1] = 0xff; + s->io_buffer[2] = 0xff; + s->io_buffer[3] = 0xff; +} + +void ide_reset(IDEState *s) +{ + IDEBus *bus = s->bus; + + if (s->is_cf) + s->mult_sectors = 0; + else + s->mult_sectors = MAX_MULT_SECTORS; + bus->unit = s->unit; + s->select = 0xa0; + s->status = READY_STAT | SEEK_STAT; + ide_set_signature(s); + /* init the transfer handler so that 0xffff is returned on data + accesses */ + s->end_transfer_func = ide_dummy_transfer_stop; + ide_dummy_transfer_stop(s); + s->media_changed = 0; +} + +void ide_init2(IDEBus *bus, BlockDriverState *hd0, BlockDriverState *hd1, + qemu_irq irq) +{ + IDEState *s; + static int drive_serial = 1; + int i, cylinders, heads, secs; + uint64_t nb_sectors; + + for(i = 0; i < 2; i++) { + s = bus->ifs + i; + s->bus = bus; + s->unit = i; + s->bs = (i == 0) ? hd0 : hd1; + s->io_buffer = qemu_blockalign(s->bs, IDE_DMA_BUF_SECTORS*512 + 4); + if (s->bs) { + bdrv_get_geometry(s->bs, &nb_sectors); + bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs); + s->cylinders = cylinders; + s->heads = heads; + s->sectors = secs; + s->nb_sectors = nb_sectors; + /* The SMART values should be preserved across power cycles + but they aren't. */ + s->smart_enabled = 1; + s->smart_autosave = 1; + s->smart_errors = 0; + s->smart_selftest_count = 0; + s->smart_selftest_data = qemu_blockalign(s->bs, 512); + if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) { + s->is_cdrom = 1; + bdrv_set_change_cb(s->bs, cdrom_change_cb, s); + } + } + s->drive_serial = drive_serial++; + strncpy(s->drive_serial_str, drive_get_serial(s->bs), + sizeof(s->drive_serial_str)); + if (strlen(s->drive_serial_str) == 0) + snprintf(s->drive_serial_str, sizeof(s->drive_serial_str), + "QM%05d", s->drive_serial); + s->irq = irq; + s->sector_write_timer = qemu_new_timer(vm_clock, + ide_sector_write_timer_cb, s); + ide_reset(s); + } +} + +void ide_init_ioport(IDEBus *bus, int iobase, int iobase2) +{ + register_ioport_write(iobase, 8, 1, ide_ioport_write, bus); + register_ioport_read(iobase, 8, 1, ide_ioport_read, bus); + if (iobase2) { + register_ioport_read(iobase2, 1, 1, ide_status_read, bus); + register_ioport_write(iobase2, 1, 1, ide_cmd_write, bus); + } + + /* data ports */ + register_ioport_write(iobase, 2, 2, ide_data_writew, bus); + register_ioport_read(iobase, 2, 2, ide_data_readw, bus); + register_ioport_write(iobase, 4, 4, ide_data_writel, bus); + register_ioport_read(iobase, 4, 4, ide_data_readl, bus); +} + +/* save per IDE drive data */ +void ide_save(QEMUFile* f, IDEState *s) +{ + qemu_put_be32(f, s->mult_sectors); + qemu_put_be32(f, s->identify_set); + if (s->identify_set) { + qemu_put_buffer(f, (const uint8_t *)s->identify_data, 512); + } + qemu_put_8s(f, &s->feature); + qemu_put_8s(f, &s->error); + qemu_put_be32s(f, &s->nsector); + qemu_put_8s(f, &s->sector); + qemu_put_8s(f, &s->lcyl); + qemu_put_8s(f, &s->hcyl); + qemu_put_8s(f, &s->hob_feature); + qemu_put_8s(f, &s->hob_nsector); + qemu_put_8s(f, &s->hob_sector); + qemu_put_8s(f, &s->hob_lcyl); + qemu_put_8s(f, &s->hob_hcyl); + qemu_put_8s(f, &s->select); + qemu_put_8s(f, &s->status); + qemu_put_8s(f, &s->lba48); + + qemu_put_8s(f, &s->sense_key); + qemu_put_8s(f, &s->asc); + qemu_put_8s(f, &s->cdrom_changed); + /* XXX: if a transfer is pending, we do not save it yet */ +} + +/* load per IDE drive data */ +void ide_load(QEMUFile* f, IDEState *s, int version_id) +{ + s->mult_sectors=qemu_get_be32(f); + s->identify_set=qemu_get_be32(f); + if (s->identify_set) { + qemu_get_buffer(f, (uint8_t *)s->identify_data, 512); + } + qemu_get_8s(f, &s->feature); + qemu_get_8s(f, &s->error); + qemu_get_be32s(f, &s->nsector); + qemu_get_8s(f, &s->sector); + qemu_get_8s(f, &s->lcyl); + qemu_get_8s(f, &s->hcyl); + qemu_get_8s(f, &s->hob_feature); + qemu_get_8s(f, &s->hob_nsector); + qemu_get_8s(f, &s->hob_sector); + qemu_get_8s(f, &s->hob_lcyl); + qemu_get_8s(f, &s->hob_hcyl); + qemu_get_8s(f, &s->select); + qemu_get_8s(f, &s->status); + qemu_get_8s(f, &s->lba48); + + qemu_get_8s(f, &s->sense_key); + qemu_get_8s(f, &s->asc); + if (version_id == 3) { + qemu_get_8s(f, &s->cdrom_changed); + } else { + if (s->sense_key == SENSE_UNIT_ATTENTION && + s->asc == ASC_MEDIUM_MAY_HAVE_CHANGED) + s->cdrom_changed = 1; + } + /* XXX: if a transfer is pending, we do not save it yet */ +} + +void idebus_save(QEMUFile* f, IDEBus *bus) +{ + IDEState *s = idebus_active_if(bus); + qemu_put_8s(f, &s->cmd); + qemu_put_8s(f, &bus->unit); +} + +void idebus_load(QEMUFile* f, IDEBus *bus, int version_id) +{ + IDEState *s; + uint8_t cmd; + + qemu_get_8s(f, &cmd); + qemu_get_8s(f, &bus->unit); + s = idebus_active_if(bus); + s->cmd = cmd; +} + +/***********************************************************/ +/* PCI IDE definitions */ + +static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb) +{ + BMDMAState *bm = s->bus->bmdma; + if(!bm) + return; + bm->unit = s->unit; + bm->dma_cb = dma_cb; + bm->cur_prd_last = 0; + bm->cur_prd_addr = 0; + bm->cur_prd_len = 0; + bm->sector_num = ide_get_sector(s); + bm->nsector = s->nsector; + if (bm->status & BM_STATUS_DMAING) { + bm->dma_cb(bm, 0); + } +} + +static void ide_dma_restart(IDEState *s) +{ + BMDMAState *bm = s->bus->bmdma; + ide_set_sector(s, bm->sector_num); + s->io_buffer_index = 0; + s->io_buffer_size = 0; + s->nsector = bm->nsector; + bm->cur_addr = bm->addr; + bm->dma_cb = ide_write_dma_cb; + ide_dma_start(s, bm->dma_cb); +} + +void ide_dma_cancel(BMDMAState *bm) +{ + if (bm->status & BM_STATUS_DMAING) { + bm->status &= ~BM_STATUS_DMAING; + /* cancel DMA request */ + bm->unit = -1; + bm->dma_cb = NULL; + if (bm->aiocb) { +#ifdef DEBUG_AIO + printf("aio_cancel\n"); +#endif + bdrv_aio_cancel(bm->aiocb); + bm->aiocb = NULL; + } + } +} + diff --git a/hw/ide/internal.h b/hw/ide/internal.h new file mode 100644 index 0000000000..65991a8b07 --- /dev/null +++ b/hw/ide/internal.h @@ -0,0 +1,535 @@ +#ifndef HW_IDE_INTERNAL_H +#define HW_IDE_INTERNAL_H + +/* + * QEMU IDE Emulation -- internal header file + * only files in hw/ide/ are supposed to include this file. + * non-internal declarations are in hw/ide.h + */ +#include + +/* debug IDE devices */ +//#define DEBUG_IDE +//#define DEBUG_IDE_ATAPI +//#define DEBUG_AIO +#define USE_DMA_CDROM + +typedef struct IDEBus IDEBus; +typedef struct IDEState IDEState; +typedef struct BMDMAState BMDMAState; + +/* debug IDE devices */ +//#define DEBUG_IDE +//#define DEBUG_IDE_ATAPI +//#define DEBUG_AIO +#define USE_DMA_CDROM + +/* Bits of HD_STATUS */ +#define ERR_STAT 0x01 +#define INDEX_STAT 0x02 +#define ECC_STAT 0x04 /* Corrected error */ +#define DRQ_STAT 0x08 +#define SEEK_STAT 0x10 +#define SRV_STAT 0x10 +#define WRERR_STAT 0x20 +#define READY_STAT 0x40 +#define BUSY_STAT 0x80 + +/* Bits for HD_ERROR */ +#define MARK_ERR 0x01 /* Bad address mark */ +#define TRK0_ERR 0x02 /* couldn't find track 0 */ +#define ABRT_ERR 0x04 /* Command aborted */ +#define MCR_ERR 0x08 /* media change request */ +#define ID_ERR 0x10 /* ID field not found */ +#define MC_ERR 0x20 /* media changed */ +#define ECC_ERR 0x40 /* Uncorrectable ECC error */ +#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ +#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ + +/* Bits of HD_NSECTOR */ +#define CD 0x01 +#define IO 0x02 +#define REL 0x04 +#define TAG_MASK 0xf8 + +#define IDE_CMD_RESET 0x04 +#define IDE_CMD_DISABLE_IRQ 0x02 + +/* ATA/ATAPI Commands pre T13 Spec */ +#define WIN_NOP 0x00 +/* + * 0x01->0x02 Reserved + */ +#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ +/* + * 0x04->0x07 Reserved + */ +#define WIN_SRST 0x08 /* ATAPI soft reset command */ +#define WIN_DEVICE_RESET 0x08 +/* + * 0x09->0x0F Reserved + */ +#define WIN_RECAL 0x10 +#define WIN_RESTORE WIN_RECAL +/* + * 0x10->0x1F Reserved + */ +#define WIN_READ 0x20 /* 28-Bit */ +#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */ +#define WIN_READ_LONG 0x22 /* 28-Bit */ +#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */ +#define WIN_READ_EXT 0x24 /* 48-Bit */ +#define WIN_READDMA_EXT 0x25 /* 48-Bit */ +#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */ +#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ +/* + * 0x28 + */ +#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ +/* + * 0x2A->0x2F Reserved + */ +#define WIN_WRITE 0x30 /* 28-Bit */ +#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */ +#define WIN_WRITE_LONG 0x32 /* 28-Bit */ +#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */ +#define WIN_WRITE_EXT 0x34 /* 48-Bit */ +#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ +#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ +#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ +#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ +#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ +/* + * 0x3A->0x3B Reserved + */ +#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */ +/* + * 0x3D->0x3F Reserved + */ +#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ +#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */ +#define WIN_VERIFY_EXT 0x42 /* 48-Bit */ +/* + * 0x43->0x4F Reserved + */ +#define WIN_FORMAT 0x50 +/* + * 0x51->0x5F Reserved + */ +#define WIN_INIT 0x60 +/* + * 0x61->0x5F Reserved + */ +#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */ +#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ +#define WIN_DIAGNOSE 0x90 +#define WIN_SPECIFY 0x91 /* set drive geometry translation */ +#define WIN_DOWNLOAD_MICROCODE 0x92 +#define WIN_STANDBYNOW2 0x94 +#define CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */ +#define WIN_STANDBY2 0x96 +#define WIN_SETIDLE2 0x97 +#define WIN_CHECKPOWERMODE2 0x98 +#define WIN_SLEEPNOW2 0x99 +/* + * 0x9A VENDOR + */ +#define WIN_PACKETCMD 0xA0 /* Send a packet command. */ +#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ +#define WIN_QUEUED_SERVICE 0xA2 +#define WIN_SMART 0xB0 /* self-monitoring and reporting */ +#define CFA_ACCESS_METADATA_STORAGE 0xB8 +#define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */ +#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ +#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ +#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ +#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */ +#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ +#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */ +#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ +#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */ +#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */ +#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ +#define WIN_GETMEDIASTATUS 0xDA +#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */ +#define WIN_POSTBOOT 0xDC +#define WIN_PREBOOT 0xDD +#define WIN_DOORLOCK 0xDE /* lock door on removable drives */ +#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */ +#define WIN_STANDBYNOW1 0xE0 +#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ +#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ +#define WIN_SETIDLE1 0xE3 +#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ +#define WIN_CHECKPOWERMODE1 0xE5 +#define WIN_SLEEPNOW1 0xE6 +#define WIN_FLUSH_CACHE 0xE7 +#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ +#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */ + /* SET_FEATURES 0x22 or 0xDD */ +#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ +#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ +#define WIN_MEDIAEJECT 0xED +#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */ +#define WIN_SETFEATURES 0xEF /* set special drive features */ +#define EXABYTE_ENABLE_NEST 0xF0 +#define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */ +#define WIN_SECURITY_SET_PASS 0xF1 +#define WIN_SECURITY_UNLOCK 0xF2 +#define WIN_SECURITY_ERASE_PREPARE 0xF3 +#define WIN_SECURITY_ERASE_UNIT 0xF4 +#define WIN_SECURITY_FREEZE_LOCK 0xF5 +#define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP */ +#define WIN_SECURITY_DISABLE 0xF6 +#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ +#define WIN_SET_MAX 0xF9 +#define DISABLE_SEAGATE 0xFB + +/* set to 1 set disable mult support */ +#define MAX_MULT_SECTORS 16 + +#define IDE_DMA_BUF_SECTORS 256 + +#if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS) +#error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS" +#endif + +/* ATAPI defines */ + +#define ATAPI_PACKET_SIZE 12 + +/* The generic packet command opcodes for CD/DVD Logical Units, + * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ +#define GPCMD_BLANK 0xa1 +#define GPCMD_CLOSE_TRACK 0x5b +#define GPCMD_FLUSH_CACHE 0x35 +#define GPCMD_FORMAT_UNIT 0x04 +#define GPCMD_GET_CONFIGURATION 0x46 +#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a +#define GPCMD_GET_PERFORMANCE 0xac +#define GPCMD_INQUIRY 0x12 +#define GPCMD_LOAD_UNLOAD 0xa6 +#define GPCMD_MECHANISM_STATUS 0xbd +#define GPCMD_MODE_SELECT_10 0x55 +#define GPCMD_MODE_SENSE_10 0x5a +#define GPCMD_PAUSE_RESUME 0x4b +#define GPCMD_PLAY_AUDIO_10 0x45 +#define GPCMD_PLAY_AUDIO_MSF 0x47 +#define GPCMD_PLAY_AUDIO_TI 0x48 +#define GPCMD_PLAY_CD 0xbc +#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e +#define GPCMD_READ_10 0x28 +#define GPCMD_READ_12 0xa8 +#define GPCMD_READ_CDVD_CAPACITY 0x25 +#define GPCMD_READ_CD 0xbe +#define GPCMD_READ_CD_MSF 0xb9 +#define GPCMD_READ_DISC_INFO 0x51 +#define GPCMD_READ_DVD_STRUCTURE 0xad +#define GPCMD_READ_FORMAT_CAPACITIES 0x23 +#define GPCMD_READ_HEADER 0x44 +#define GPCMD_READ_TRACK_RZONE_INFO 0x52 +#define GPCMD_READ_SUBCHANNEL 0x42 +#define GPCMD_READ_TOC_PMA_ATIP 0x43 +#define GPCMD_REPAIR_RZONE_TRACK 0x58 +#define GPCMD_REPORT_KEY 0xa4 +#define GPCMD_REQUEST_SENSE 0x03 +#define GPCMD_RESERVE_RZONE_TRACK 0x53 +#define GPCMD_SCAN 0xba +#define GPCMD_SEEK 0x2b +#define GPCMD_SEND_DVD_STRUCTURE 0xad +#define GPCMD_SEND_EVENT 0xa2 +#define GPCMD_SEND_KEY 0xa3 +#define GPCMD_SEND_OPC 0x54 +#define GPCMD_SET_READ_AHEAD 0xa7 +#define GPCMD_SET_STREAMING 0xb6 +#define GPCMD_START_STOP_UNIT 0x1b +#define GPCMD_STOP_PLAY_SCAN 0x4e +#define GPCMD_TEST_UNIT_READY 0x00 +#define GPCMD_VERIFY_10 0x2f +#define GPCMD_WRITE_10 0x2a +#define GPCMD_WRITE_AND_VERIFY_10 0x2e +/* This is listed as optional in ATAPI 2.6, but is (curiously) + * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji + * Table 377 as an MMC command for SCSi devices though... Most ATAPI + * drives support it. */ +#define GPCMD_SET_SPEED 0xbb +/* This seems to be a SCSI specific CD-ROM opcode + * to play data at track/index */ +#define GPCMD_PLAYAUDIO_TI 0x48 +/* + * From MS Media Status Notification Support Specification. For + * older drives only. + */ +#define GPCMD_GET_MEDIA_STATUS 0xda +#define GPCMD_MODE_SENSE_6 0x1a + +/* Mode page codes for mode sense/set */ +#define GPMODE_R_W_ERROR_PAGE 0x01 +#define GPMODE_WRITE_PARMS_PAGE 0x05 +#define GPMODE_AUDIO_CTL_PAGE 0x0e +#define GPMODE_POWER_PAGE 0x1a +#define GPMODE_FAULT_FAIL_PAGE 0x1c +#define GPMODE_TO_PROTECT_PAGE 0x1d +#define GPMODE_CAPABILITIES_PAGE 0x2a +#define GPMODE_ALL_PAGES 0x3f +/* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor + * of MODE_SENSE_POWER_PAGE */ +#define GPMODE_CDROM_PAGE 0x0d + +/* + * Based on values from but extending CD_MINS + * to the maximum common size allowed by the Orange's Book ATIP + * + * 90 and 99 min CDs are also available but using them as the + * upper limit reduces the effectiveness of the heuristic to + * detect DVDs burned to less than 25% of their maximum capacity + */ + +/* Some generally useful CD-ROM information */ +#define CD_MINS 80 /* max. minutes per CD */ +#define CD_SECS 60 /* seconds per minute */ +#define CD_FRAMES 75 /* frames per second */ +#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */ +#define CD_MAX_BYTES (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE) +#define CD_MAX_SECTORS (CD_MAX_BYTES / 512) + +/* + * The MMC values are not IDE specific and might need to be moved + * to a common header if they are also needed for the SCSI emulation + */ + +/* Profile list from MMC-6 revision 1 table 91 */ +#define MMC_PROFILE_NONE 0x0000 +#define MMC_PROFILE_CD_ROM 0x0008 +#define MMC_PROFILE_CD_R 0x0009 +#define MMC_PROFILE_CD_RW 0x000A +#define MMC_PROFILE_DVD_ROM 0x0010 +#define MMC_PROFILE_DVD_R_SR 0x0011 +#define MMC_PROFILE_DVD_RAM 0x0012 +#define MMC_PROFILE_DVD_RW_RO 0x0013 +#define MMC_PROFILE_DVD_RW_SR 0x0014 +#define MMC_PROFILE_DVD_R_DL_SR 0x0015 +#define MMC_PROFILE_DVD_R_DL_JR 0x0016 +#define MMC_PROFILE_DVD_RW_DL 0x0017 +#define MMC_PROFILE_DVD_DDR 0x0018 +#define MMC_PROFILE_DVD_PLUS_RW 0x001A +#define MMC_PROFILE_DVD_PLUS_R 0x001B +#define MMC_PROFILE_DVD_PLUS_RW_DL 0x002A +#define MMC_PROFILE_DVD_PLUS_R_DL 0x002B +#define MMC_PROFILE_BD_ROM 0x0040 +#define MMC_PROFILE_BD_R_SRM 0x0041 +#define MMC_PROFILE_BD_R_RRM 0x0042 +#define MMC_PROFILE_BD_RE 0x0043 +#define MMC_PROFILE_HDDVD_ROM 0x0050 +#define MMC_PROFILE_HDDVD_R 0x0051 +#define MMC_PROFILE_HDDVD_RAM 0x0052 +#define MMC_PROFILE_HDDVD_RW 0x0053 +#define MMC_PROFILE_HDDVD_R_DL 0x0058 +#define MMC_PROFILE_HDDVD_RW_DL 0x005A +#define MMC_PROFILE_INVALID 0xFFFF + +#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ +#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ +#define ATAPI_INT_REASON_REL 0x04 +#define ATAPI_INT_REASON_TAG 0xf8 + +/* same constants as bochs */ +#define ASC_ILLEGAL_OPCODE 0x20 +#define ASC_LOGICAL_BLOCK_OOR 0x21 +#define ASC_INV_FIELD_IN_CMD_PACKET 0x24 +#define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28 +#define ASC_INCOMPATIBLE_FORMAT 0x30 +#define ASC_MEDIUM_NOT_PRESENT 0x3a +#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39 +#define ASC_MEDIA_REMOVAL_PREVENTED 0x53 + +#define CFA_NO_ERROR 0x00 +#define CFA_MISC_ERROR 0x09 +#define CFA_INVALID_COMMAND 0x20 +#define CFA_INVALID_ADDRESS 0x21 +#define CFA_ADDRESS_OVERFLOW 0x2f + +#define SENSE_NONE 0 +#define SENSE_NOT_READY 2 +#define SENSE_ILLEGAL_REQUEST 5 +#define SENSE_UNIT_ATTENTION 6 + +#define SMART_READ_DATA 0xd0 +#define SMART_READ_THRESH 0xd1 +#define SMART_ATTR_AUTOSAVE 0xd2 +#define SMART_SAVE_ATTR 0xd3 +#define SMART_EXECUTE_OFFLINE 0xd4 +#define SMART_READ_LOG 0xd5 +#define SMART_WRITE_LOG 0xd6 +#define SMART_ENABLE 0xd8 +#define SMART_DISABLE 0xd9 +#define SMART_STATUS 0xda + +typedef void EndTransferFunc(IDEState *); + +/* NOTE: IDEState represents in fact one drive */ +struct IDEState { + IDEBus *bus; + uint8_t unit; + /* ide config */ + int is_cdrom; + int is_cf; + int cylinders, heads, sectors; + int64_t nb_sectors; + int mult_sectors; + int identify_set; + uint16_t identify_data[256]; + qemu_irq irq; + int drive_serial; + char drive_serial_str[21]; + /* ide regs */ + uint8_t feature; + uint8_t error; + uint32_t nsector; + uint8_t sector; + uint8_t lcyl; + uint8_t hcyl; + /* other part of tf for lba48 support */ + uint8_t hob_feature; + uint8_t hob_nsector; + uint8_t hob_sector; + uint8_t hob_lcyl; + uint8_t hob_hcyl; + + uint8_t select; + uint8_t status; + + /* 0x3f6 command, only meaningful for drive 0 */ + uint8_t cmd; + /* set for lba48 access */ + uint8_t lba48; + BlockDriverState *bs; + /* ATAPI specific */ + uint8_t sense_key; + uint8_t asc; + uint8_t cdrom_changed; + int packet_transfer_size; + int elementary_transfer_size; + int io_buffer_index; + int lba; + int cd_sector_size; + int atapi_dma; /* true if dma is requested for the packet cmd */ + /* ATA DMA state */ + int io_buffer_size; + QEMUSGList sg; + /* PIO transfer handling */ + int req_nb_sectors; /* number of sectors per interrupt */ + EndTransferFunc *end_transfer_func; + uint8_t *data_ptr; + uint8_t *data_end; + uint8_t *io_buffer; + QEMUTimer *sector_write_timer; /* only used for win2k install hack */ + uint32_t irq_count; /* counts IRQs when using win2k install hack */ + /* CF-ATA extended error */ + uint8_t ext_error; + /* CF-ATA metadata storage */ + uint32_t mdata_size; + uint8_t *mdata_storage; + int media_changed; + /* for pmac */ + int is_read; + /* SMART */ + uint8_t smart_enabled; + uint8_t smart_autosave; + int smart_errors; + uint8_t smart_selftest_count; + uint8_t *smart_selftest_data; +}; + +struct IDEBus { + BusState qbus; + BMDMAState *bmdma; + IDEState ifs[2]; + uint8_t unit; +}; + +#define BM_STATUS_DMAING 0x01 +#define BM_STATUS_ERROR 0x02 +#define BM_STATUS_INT 0x04 +#define BM_STATUS_DMA_RETRY 0x08 +#define BM_STATUS_PIO_RETRY 0x10 + +#define BM_CMD_START 0x01 +#define BM_CMD_READ 0x08 + +struct BMDMAState { + uint8_t cmd; + uint8_t status; + uint32_t addr; + + struct PCIIDEState *pci_dev; + IDEBus *bus; + /* current transfer state */ + uint32_t cur_addr; + uint32_t cur_prd_last; + uint32_t cur_prd_addr; + uint32_t cur_prd_len; + uint8_t unit; + BlockDriverCompletionFunc *dma_cb; + BlockDriverAIOCB *aiocb; + struct iovec iov; + QEMUIOVector qiov; + int64_t sector_num; + uint32_t nsector; + QEMUBH *bh; +}; + +static inline IDEState *idebus_active_if(IDEBus *bus) +{ + return bus->ifs + bus->unit; +} + +static inline IDEState *bmdma_active_if(BMDMAState *bmdma) +{ + assert(bmdma->unit != -1); + return bmdma->bus->ifs + bmdma->unit; +} + +static inline void ide_set_irq(IDEState *s) +{ + BMDMAState *bm = s->bus->bmdma; + if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) { + if (bm) { + bm->status |= BM_STATUS_INT; + } + qemu_irq_raise(s->irq); + } +} + +/* ide.c */ +void ide_save(QEMUFile* f, IDEState *s); +void ide_load(QEMUFile* f, IDEState *s, int version_id); +void idebus_save(QEMUFile* f, IDEBus *bus); +void idebus_load(QEMUFile* f, IDEBus *bus, int version_id); + +void ide_reset(IDEState *s); +int64_t ide_get_sector(IDEState *s); +void ide_set_sector(IDEState *s, int64_t sector_num); + +void ide_dma_cancel(BMDMAState *bm); +void ide_dma_restart_cb(void *opaque, int running, int reason); +void ide_dma_error(IDEState *s); + +void ide_atapi_cmd_ok(IDEState *s); +void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc); +void ide_atapi_io_error(IDEState *s, int ret); + +void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val); +uint32_t ide_ioport_read(void *opaque, uint32_t addr1); +uint32_t ide_status_read(void *opaque, uint32_t addr); +void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val); +void ide_data_writew(void *opaque, uint32_t addr, uint32_t val); +uint32_t ide_data_readw(void *opaque, uint32_t addr); +void ide_data_writel(void *opaque, uint32_t addr, uint32_t val); +uint32_t ide_data_readl(void *opaque, uint32_t addr); + +void ide_init2(IDEBus *bus, BlockDriverState *hd0, BlockDriverState *hd1, + qemu_irq irq); +void ide_init_ioport(IDEBus *bus, int iobase, int iobase2); + +#endif /* HW_IDE_INTERNAL_H */ diff --git a/hw/ide/isa.c b/hw/ide/isa.c new file mode 100644 index 0000000000..aa026c7a62 --- /dev/null +++ b/hw/ide/isa.c @@ -0,0 +1,71 @@ +/* + * QEMU IDE Emulation: ISA Bus support. + * + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2006 Openedhand Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include +#include "block.h" +#include "block_int.h" +#include "sysemu.h" +#include "dma.h" + +#include + +/***********************************************************/ +/* ISA IDE definitions */ + +typedef struct ISAIDEState { + IDEBus *bus; +} ISAIDEState; + +static void isa_ide_save(QEMUFile* f, void *opaque) +{ + ISAIDEState *s = opaque; + + idebus_save(f, s->bus); + ide_save(f, &s->bus->ifs[0]); + ide_save(f, &s->bus->ifs[1]); +} + +static int isa_ide_load(QEMUFile* f, void *opaque, int version_id) +{ + ISAIDEState *s = opaque; + + idebus_load(f, s->bus, version_id); + ide_load(f, &s->bus->ifs[0], version_id); + ide_load(f, &s->bus->ifs[1], version_id); + return 0; +} + +void isa_ide_init(int iobase, int iobase2, qemu_irq irq, + BlockDriverState *hd0, BlockDriverState *hd1) +{ + ISAIDEState *s; + + s = qemu_mallocz(sizeof(*s)); + s->bus = qemu_mallocz(sizeof(IDEBus)); + + ide_init2(s->bus, hd0, hd1, irq); + ide_init_ioport(s->bus, iobase, iobase2); + register_savevm("isa-ide", 0, 3, isa_ide_save, isa_ide_load, s); +} diff --git a/hw/ide/macio.c b/hw/ide/macio.c new file mode 100644 index 0000000000..4dc35682f1 --- /dev/null +++ b/hw/ide/macio.c @@ -0,0 +1,356 @@ +/* + * QEMU IDE Emulation: MacIO support. + * + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2006 Openedhand Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include +#include +#include "block.h" +#include "block_int.h" +#include "sysemu.h" +#include "dma.h" + +#include + +/***********************************************************/ +/* MacIO based PowerPC IDE */ + +typedef struct MACIOIDEState { + IDEBus bus; + BlockDriverAIOCB *aiocb; +} MACIOIDEState; + +static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) +{ + DBDMA_io *io = opaque; + MACIOIDEState *m = io->opaque; + IDEState *s = idebus_active_if(&m->bus); + + if (ret < 0) { + m->aiocb = NULL; + qemu_sglist_destroy(&s->sg); + ide_atapi_io_error(s, ret); + io->dma_end(opaque); + return; + } + + if (s->io_buffer_size > 0) { + m->aiocb = NULL; + qemu_sglist_destroy(&s->sg); + + s->packet_transfer_size -= s->io_buffer_size; + + s->io_buffer_index += s->io_buffer_size; + s->lba += s->io_buffer_index >> 11; + s->io_buffer_index &= 0x7ff; + } + + if (s->packet_transfer_size <= 0) + ide_atapi_cmd_ok(s); + + if (io->len == 0) { + io->dma_end(opaque); + return; + } + + /* launch next transfer */ + + s->io_buffer_size = io->len; + + qemu_sglist_init(&s->sg, io->len / TARGET_PAGE_SIZE + 1); + qemu_sglist_add(&s->sg, io->addr, io->len); + io->addr += io->len; + io->len = 0; + + m->aiocb = dma_bdrv_read(s->bs, &s->sg, + (int64_t)(s->lba << 2) + (s->io_buffer_index >> 9), + pmac_ide_atapi_transfer_cb, io); + if (!m->aiocb) { + qemu_sglist_destroy(&s->sg); + /* Note: media not present is the most likely case */ + ide_atapi_cmd_error(s, SENSE_NOT_READY, + ASC_MEDIUM_NOT_PRESENT); + io->dma_end(opaque); + return; + } +} + +static void pmac_ide_transfer_cb(void *opaque, int ret) +{ + DBDMA_io *io = opaque; + MACIOIDEState *m = io->opaque; + IDEState *s = idebus_active_if(&m->bus); + int n; + int64_t sector_num; + + if (ret < 0) { + m->aiocb = NULL; + qemu_sglist_destroy(&s->sg); + ide_dma_error(s); + io->dma_end(io); + return; + } + + sector_num = ide_get_sector(s); + if (s->io_buffer_size > 0) { + m->aiocb = NULL; + qemu_sglist_destroy(&s->sg); + n = (s->io_buffer_size + 0x1ff) >> 9; + sector_num += n; + ide_set_sector(s, sector_num); + s->nsector -= n; + } + + /* end of transfer ? */ + if (s->nsector == 0) { + s->status = READY_STAT | SEEK_STAT; + ide_set_irq(s); + } + + /* end of DMA ? */ + + if (io->len == 0) { + io->dma_end(io); + return; + } + + /* launch next transfer */ + + s->io_buffer_index = 0; + s->io_buffer_size = io->len; + + qemu_sglist_init(&s->sg, io->len / TARGET_PAGE_SIZE + 1); + qemu_sglist_add(&s->sg, io->addr, io->len); + io->addr += io->len; + io->len = 0; + + if (s->is_read) + m->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, + pmac_ide_transfer_cb, io); + else + m->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, + pmac_ide_transfer_cb, io); + if (!m->aiocb) + pmac_ide_transfer_cb(io, -1); +} + +static void pmac_ide_transfer(DBDMA_io *io) +{ + MACIOIDEState *m = io->opaque; + IDEState *s = idebus_active_if(&m->bus); + + s->io_buffer_size = 0; + if (s->is_cdrom) { + pmac_ide_atapi_transfer_cb(io, 0); + return; + } + + pmac_ide_transfer_cb(io, 0); +} + +static void pmac_ide_flush(DBDMA_io *io) +{ + MACIOIDEState *m = io->opaque; + + if (m->aiocb) + qemu_aio_flush(); +} + +/* PowerMac IDE memory IO */ +static void pmac_ide_writeb (void *opaque, + target_phys_addr_t addr, uint32_t val) +{ + MACIOIDEState *d = opaque; + + addr = (addr & 0xFFF) >> 4; + switch (addr) { + case 1 ... 7: + ide_ioport_write(&d->bus, addr, val); + break; + case 8: + case 22: + ide_cmd_write(&d->bus, 0, val); + break; + default: + break; + } +} + +static uint32_t pmac_ide_readb (void *opaque,target_phys_addr_t addr) +{ + uint8_t retval; + MACIOIDEState *d = opaque; + + addr = (addr & 0xFFF) >> 4; + switch (addr) { + case 1 ... 7: + retval = ide_ioport_read(&d->bus, addr); + break; + case 8: + case 22: + retval = ide_status_read(&d->bus, 0); + break; + default: + retval = 0xFF; + break; + } + return retval; +} + +static void pmac_ide_writew (void *opaque, + target_phys_addr_t addr, uint32_t val) +{ + MACIOIDEState *d = opaque; + + addr = (addr & 0xFFF) >> 4; +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap16(val); +#endif + if (addr == 0) { + ide_data_writew(&d->bus, 0, val); + } +} + +static uint32_t pmac_ide_readw (void *opaque,target_phys_addr_t addr) +{ + uint16_t retval; + MACIOIDEState *d = opaque; + + addr = (addr & 0xFFF) >> 4; + if (addr == 0) { + retval = ide_data_readw(&d->bus, 0); + } else { + retval = 0xFFFF; + } +#ifdef TARGET_WORDS_BIGENDIAN + retval = bswap16(retval); +#endif + return retval; +} + +static void pmac_ide_writel (void *opaque, + target_phys_addr_t addr, uint32_t val) +{ + MACIOIDEState *d = opaque; + + addr = (addr & 0xFFF) >> 4; +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap32(val); +#endif + if (addr == 0) { + ide_data_writel(&d->bus, 0, val); + } +} + +static uint32_t pmac_ide_readl (void *opaque,target_phys_addr_t addr) +{ + uint32_t retval; + MACIOIDEState *d = opaque; + + addr = (addr & 0xFFF) >> 4; + if (addr == 0) { + retval = ide_data_readl(&d->bus, 0); + } else { + retval = 0xFFFFFFFF; + } +#ifdef TARGET_WORDS_BIGENDIAN + retval = bswap32(retval); +#endif + return retval; +} + +static CPUWriteMemoryFunc *pmac_ide_write[] = { + pmac_ide_writeb, + pmac_ide_writew, + pmac_ide_writel, +}; + +static CPUReadMemoryFunc *pmac_ide_read[] = { + pmac_ide_readb, + pmac_ide_readw, + pmac_ide_readl, +}; + +static void pmac_ide_save(QEMUFile *f, void *opaque) +{ + MACIOIDEState *d = opaque; + unsigned int i; + + /* per IDE interface data */ + idebus_save(f, &d->bus); + + /* per IDE drive data */ + for(i = 0; i < 2; i++) { + ide_save(f, &d->bus.ifs[i]); + } +} + +static int pmac_ide_load(QEMUFile *f, void *opaque, int version_id) +{ + MACIOIDEState *d = opaque; + unsigned int i; + + if (version_id != 1 && version_id != 3) + return -EINVAL; + + /* per IDE interface data */ + idebus_load(f, &d->bus, version_id); + + /* per IDE drive data */ + for(i = 0; i < 2; i++) { + ide_load(f, &d->bus.ifs[i], version_id); + } + return 0; +} + +static void pmac_ide_reset(void *opaque) +{ + MACIOIDEState *d = opaque; + + ide_reset(d->bus.ifs +0); + ide_reset(d->bus.ifs +1); +} + +/* hd_table must contain 4 block drivers */ +/* PowerMac uses memory mapped registers, not I/O. Return the memory + I/O index to access the ide. */ +int pmac_ide_init (BlockDriverState **hd_table, qemu_irq irq, + void *dbdma, int channel, qemu_irq dma_irq) +{ + MACIOIDEState *d; + int pmac_ide_memory; + + d = qemu_mallocz(sizeof(MACIOIDEState)); + ide_init2(&d->bus, hd_table[0], hd_table[1], irq); + + if (dbdma) + DBDMA_register_channel(dbdma, channel, dma_irq, pmac_ide_transfer, pmac_ide_flush, d); + + pmac_ide_memory = cpu_register_io_memory(pmac_ide_read, + pmac_ide_write, d); + register_savevm("ide", 0, 3, pmac_ide_save, pmac_ide_load, d); + qemu_register_reset(pmac_ide_reset, d); + pmac_ide_reset(d); + + return pmac_ide_memory; +} diff --git a/hw/ide/microdrive.c b/hw/ide/microdrive.c new file mode 100644 index 0000000000..a735452e50 --- /dev/null +++ b/hw/ide/microdrive.c @@ -0,0 +1,575 @@ +/* + * QEMU IDE Emulation: microdrive (CF / PCMCIA) + * + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2006 Openedhand Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include +#include +#include "block.h" +#include "block_int.h" +#include "sysemu.h" +#include "dma.h" + +#include + +/***********************************************************/ +/* CF-ATA Microdrive */ + +#define METADATA_SIZE 0x20 + +/* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */ +typedef struct { + IDEBus bus; + PCMCIACardState card; + uint32_t attr_base; + uint32_t io_base; + + /* Card state */ + uint8_t opt; + uint8_t stat; + uint8_t pins; + + uint8_t ctrl; + uint16_t io; + int cycle; +} MicroDriveState; + +/* Register bitfields */ +enum md_opt { + OPT_MODE_MMAP = 0, + OPT_MODE_IOMAP16 = 1, + OPT_MODE_IOMAP1 = 2, + OPT_MODE_IOMAP2 = 3, + OPT_MODE = 0x3f, + OPT_LEVIREQ = 0x40, + OPT_SRESET = 0x80, +}; +enum md_cstat { + STAT_INT = 0x02, + STAT_PWRDWN = 0x04, + STAT_XE = 0x10, + STAT_IOIS8 = 0x20, + STAT_SIGCHG = 0x40, + STAT_CHANGED = 0x80, +}; +enum md_pins { + PINS_MRDY = 0x02, + PINS_CRDY = 0x20, +}; +enum md_ctrl { + CTRL_IEN = 0x02, + CTRL_SRST = 0x04, +}; + +static inline void md_interrupt_update(MicroDriveState *s) +{ + if (!s->card.slot) + return; + + qemu_set_irq(s->card.slot->irq, + !(s->stat & STAT_INT) && /* Inverted */ + !(s->ctrl & (CTRL_IEN | CTRL_SRST)) && + !(s->opt & OPT_SRESET)); +} + +static void md_set_irq(void *opaque, int irq, int level) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + if (level) + s->stat |= STAT_INT; + else + s->stat &= ~STAT_INT; + + md_interrupt_update(s); +} + +static void md_reset(MicroDriveState *s) +{ + s->opt = OPT_MODE_MMAP; + s->stat = 0; + s->pins = 0; + s->cycle = 0; + s->ctrl = 0; + ide_reset(s->bus.ifs); +} + +static uint8_t md_attr_read(void *opaque, uint32_t at) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + if (at < s->attr_base) { + if (at < s->card.cis_len) + return s->card.cis[at]; + else + return 0x00; + } + + at -= s->attr_base; + + switch (at) { + case 0x00: /* Configuration Option Register */ + return s->opt; + case 0x02: /* Card Configuration Status Register */ + if (s->ctrl & CTRL_IEN) + return s->stat & ~STAT_INT; + else + return s->stat; + case 0x04: /* Pin Replacement Register */ + return (s->pins & PINS_CRDY) | 0x0c; + case 0x06: /* Socket and Copy Register */ + return 0x00; +#ifdef VERBOSE + default: + printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at); +#endif + } + + return 0; +} + +static void md_attr_write(void *opaque, uint32_t at, uint8_t value) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + at -= s->attr_base; + + switch (at) { + case 0x00: /* Configuration Option Register */ + s->opt = value & 0xcf; + if (value & OPT_SRESET) + md_reset(s); + md_interrupt_update(s); + break; + case 0x02: /* Card Configuration Status Register */ + if ((s->stat ^ value) & STAT_PWRDWN) + s->pins |= PINS_CRDY; + s->stat &= 0x82; + s->stat |= value & 0x74; + md_interrupt_update(s); + /* Word 170 in Identify Device must be equal to STAT_XE */ + break; + case 0x04: /* Pin Replacement Register */ + s->pins &= PINS_CRDY; + s->pins |= value & PINS_MRDY; + break; + case 0x06: /* Socket and Copy Register */ + break; + default: + printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at); + } +} + +static uint16_t md_common_read(void *opaque, uint32_t at) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + IDEState *ifs; + uint16_t ret; + at -= s->io_base; + + switch (s->opt & OPT_MODE) { + case OPT_MODE_MMAP: + if ((at & ~0x3ff) == 0x400) + at = 0; + break; + case OPT_MODE_IOMAP16: + at &= 0xf; + break; + case OPT_MODE_IOMAP1: + if ((at & ~0xf) == 0x3f0) + at -= 0x3e8; + else if ((at & ~0xf) == 0x1f0) + at -= 0x1f0; + break; + case OPT_MODE_IOMAP2: + if ((at & ~0xf) == 0x370) + at -= 0x368; + else if ((at & ~0xf) == 0x170) + at -= 0x170; + } + + switch (at) { + case 0x0: /* Even RD Data */ + case 0x8: + return ide_data_readw(&s->bus, 0); + + /* TODO: 8-bit accesses */ + if (s->cycle) + ret = s->io >> 8; + else { + s->io = ide_data_readw(&s->bus, 0); + ret = s->io & 0xff; + } + s->cycle = !s->cycle; + return ret; + case 0x9: /* Odd RD Data */ + return s->io >> 8; + case 0xd: /* Error */ + return ide_ioport_read(&s->bus, 0x1); + case 0xe: /* Alternate Status */ + ifs = idebus_active_if(&s->bus); + if (ifs->bs) + return ifs->status; + else + return 0; + case 0xf: /* Device Address */ + ifs = idebus_active_if(&s->bus); + return 0xc2 | ((~ifs->select << 2) & 0x3c); + default: + return ide_ioport_read(&s->bus, at); + } + + return 0; +} + +static void md_common_write(void *opaque, uint32_t at, uint16_t value) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + at -= s->io_base; + + switch (s->opt & OPT_MODE) { + case OPT_MODE_MMAP: + if ((at & ~0x3ff) == 0x400) + at = 0; + break; + case OPT_MODE_IOMAP16: + at &= 0xf; + break; + case OPT_MODE_IOMAP1: + if ((at & ~0xf) == 0x3f0) + at -= 0x3e8; + else if ((at & ~0xf) == 0x1f0) + at -= 0x1f0; + break; + case OPT_MODE_IOMAP2: + if ((at & ~0xf) == 0x370) + at -= 0x368; + else if ((at & ~0xf) == 0x170) + at -= 0x170; + } + + switch (at) { + case 0x0: /* Even WR Data */ + case 0x8: + ide_data_writew(&s->bus, 0, value); + break; + + /* TODO: 8-bit accesses */ + if (s->cycle) + ide_data_writew(&s->bus, 0, s->io | (value << 8)); + else + s->io = value & 0xff; + s->cycle = !s->cycle; + break; + case 0x9: + s->io = value & 0xff; + s->cycle = !s->cycle; + break; + case 0xd: /* Features */ + ide_ioport_write(&s->bus, 0x1, value); + break; + case 0xe: /* Device Control */ + s->ctrl = value; + if (value & CTRL_SRST) + md_reset(s); + md_interrupt_update(s); + break; + default: + if (s->stat & STAT_PWRDWN) { + s->pins |= PINS_CRDY; + s->stat &= ~STAT_PWRDWN; + } + ide_ioport_write(&s->bus, at, value); + } +} + +static void md_save(QEMUFile *f, void *opaque) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + int i; + + qemu_put_8s(f, &s->opt); + qemu_put_8s(f, &s->stat); + qemu_put_8s(f, &s->pins); + + qemu_put_8s(f, &s->ctrl); + qemu_put_be16s(f, &s->io); + qemu_put_byte(f, s->cycle); + + idebus_save(f, &s->bus); + + for (i = 0; i < 2; i ++) + ide_save(f, &s->bus.ifs[i]); +} + +static int md_load(QEMUFile *f, void *opaque, int version_id) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + int i; + + if (version_id != 0 && version_id != 3) + return -EINVAL; + + qemu_get_8s(f, &s->opt); + qemu_get_8s(f, &s->stat); + qemu_get_8s(f, &s->pins); + + qemu_get_8s(f, &s->ctrl); + qemu_get_be16s(f, &s->io); + s->cycle = qemu_get_byte(f); + + idebus_load(f, &s->bus, version_id); + + for (i = 0; i < 2; i ++) + ide_load(f, &s->bus.ifs[i], version_id); + + return 0; +} + +static const uint8_t dscm1xxxx_cis[0x14a] = { + [0x000] = CISTPL_DEVICE, /* 5V Device Information */ + [0x002] = 0x03, /* Tuple length = 4 bytes */ + [0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ + [0x006] = 0x01, /* Size = 2K bytes */ + [0x008] = CISTPL_ENDMARK, + + [0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */ + [0x00c] = 0x04, /* Tuple length = 4 byest */ + [0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */ + [0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ + [0x012] = 0x01, /* Size = 2K bytes */ + [0x014] = CISTPL_ENDMARK, + + [0x016] = CISTPL_JEDEC_C, /* JEDEC ID */ + [0x018] = 0x02, /* Tuple length = 2 bytes */ + [0x01a] = 0xdf, /* PC Card ATA with no Vpp required */ + [0x01c] = 0x01, + + [0x01e] = CISTPL_MANFID, /* Manufacture ID */ + [0x020] = 0x04, /* Tuple length = 4 bytes */ + [0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */ + [0x024] = 0x00, + [0x026] = 0x00, /* PLMID_CARD = 0000 */ + [0x028] = 0x00, + + [0x02a] = CISTPL_VERS_1, /* Level 1 Version */ + [0x02c] = 0x12, /* Tuple length = 23 bytes */ + [0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */ + [0x030] = 0x01, /* Minor Version = 1 */ + [0x032] = 'I', + [0x034] = 'B', + [0x036] = 'M', + [0x038] = 0x00, + [0x03a] = 'm', + [0x03c] = 'i', + [0x03e] = 'c', + [0x040] = 'r', + [0x042] = 'o', + [0x044] = 'd', + [0x046] = 'r', + [0x048] = 'i', + [0x04a] = 'v', + [0x04c] = 'e', + [0x04e] = 0x00, + [0x050] = CISTPL_ENDMARK, + + [0x052] = CISTPL_FUNCID, /* Function ID */ + [0x054] = 0x02, /* Tuple length = 2 bytes */ + [0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */ + [0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */ + + [0x05a] = CISTPL_FUNCE, /* Function Extension */ + [0x05c] = 0x02, /* Tuple length = 2 bytes */ + [0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */ + [0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */ + + [0x062] = CISTPL_FUNCE, /* Function Extension */ + [0x064] = 0x03, /* Tuple length = 3 bytes */ + [0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */ + [0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */ + [0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */ + + [0x06c] = CISTPL_CONFIG, /* Configuration */ + [0x06e] = 0x05, /* Tuple length = 5 bytes */ + [0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */ + [0x072] = 0x07, /* TPCC_LAST = 7 */ + [0x074] = 0x00, /* TPCC_RADR = 0200 */ + [0x076] = 0x02, + [0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */ + + [0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x07c] = 0x0b, /* Tuple length = 11 bytes */ + [0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */ + [0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */ + [0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */ + [0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ + [0x086] = 0x55, /* NomV: 5.0 V */ + [0x088] = 0x4d, /* MinV: 4.5 V */ + [0x08a] = 0x5d, /* MaxV: 5.5 V */ + [0x08c] = 0x4e, /* Peakl: 450 mA */ + [0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */ + [0x090] = 0x00, /* Window descriptor: Window length = 0 */ + [0x092] = 0x20, /* TPCE_MI: support power down mode, RW */ + + [0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x096] = 0x06, /* Tuple length = 6 bytes */ + [0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */ + [0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ + [0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ + [0x09e] = 0xb5, /* NomV: 3.3 V */ + [0x0a0] = 0x1e, + [0x0a2] = 0x3e, /* Peakl: 350 mA */ + + [0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x0a6] = 0x0d, /* Tuple length = 13 bytes */ + [0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */ + [0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ + [0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ + [0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ + [0x0b0] = 0x55, /* NomV: 5.0 V */ + [0x0b2] = 0x4d, /* MinV: 4.5 V */ + [0x0b4] = 0x5d, /* MaxV: 5.5 V */ + [0x0b6] = 0x4e, /* Peakl: 450 mA */ + [0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */ + [0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */ + [0x0bc] = 0xff, /* IRQ0..IRQ7 supported */ + [0x0be] = 0xff, /* IRQ8..IRQ15 supported */ + [0x0c0] = 0x20, /* TPCE_MI = support power down mode */ + + [0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x0c4] = 0x06, /* Tuple length = 6 bytes */ + [0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */ + [0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ + [0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ + [0x0cc] = 0xb5, /* NomV: 3.3 V */ + [0x0ce] = 0x1e, + [0x0d0] = 0x3e, /* Peakl: 350 mA */ + + [0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x0d4] = 0x12, /* Tuple length = 18 bytes */ + [0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */ + [0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ + [0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ + [0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ + [0x0de] = 0x55, /* NomV: 5.0 V */ + [0x0e0] = 0x4d, /* MinV: 4.5 V */ + [0x0e2] = 0x5d, /* MaxV: 5.5 V */ + [0x0e4] = 0x4e, /* Peakl: 450 mA */ + [0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ + [0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */ + [0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */ + [0x0ec] = 0x01, + [0x0ee] = 0x07, /* Address block length = 8 */ + [0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */ + [0x0f2] = 0x03, + [0x0f4] = 0x01, /* Address block length = 2 */ + [0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ + [0x0f8] = 0x20, /* TPCE_MI = support power down mode */ + + [0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x0fc] = 0x06, /* Tuple length = 6 bytes */ + [0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */ + [0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ + [0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ + [0x104] = 0xb5, /* NomV: 3.3 V */ + [0x106] = 0x1e, + [0x108] = 0x3e, /* Peakl: 350 mA */ + + [0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x10c] = 0x12, /* Tuple length = 18 bytes */ + [0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */ + [0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ + [0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ + [0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ + [0x116] = 0x55, /* NomV: 5.0 V */ + [0x118] = 0x4d, /* MinV: 4.5 V */ + [0x11a] = 0x5d, /* MaxV: 5.5 V */ + [0x11c] = 0x4e, /* Peakl: 450 mA */ + [0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ + [0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */ + [0x122] = 0x70, /* Field 1 address = 0x0170 */ + [0x124] = 0x01, + [0x126] = 0x07, /* Address block length = 8 */ + [0x128] = 0x76, /* Field 2 address = 0x0376 */ + [0x12a] = 0x03, + [0x12c] = 0x01, /* Address block length = 2 */ + [0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ + [0x130] = 0x20, /* TPCE_MI = support power down mode */ + + [0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x134] = 0x06, /* Tuple length = 6 bytes */ + [0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */ + [0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ + [0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ + [0x13c] = 0xb5, /* NomV: 3.3 V */ + [0x13e] = 0x1e, + [0x140] = 0x3e, /* Peakl: 350 mA */ + + [0x142] = CISTPL_NO_LINK, /* No Link */ + [0x144] = 0x00, /* Tuple length = 0 bytes */ + + [0x146] = CISTPL_END, /* Tuple End */ +}; + +static int dscm1xxxx_attach(void *opaque) +{ + MicroDriveState *md = (MicroDriveState *) opaque; + md->card.attr_read = md_attr_read; + md->card.attr_write = md_attr_write; + md->card.common_read = md_common_read; + md->card.common_write = md_common_write; + md->card.io_read = md_common_read; + md->card.io_write = md_common_write; + + md->attr_base = md->card.cis[0x74] | (md->card.cis[0x76] << 8); + md->io_base = 0x0; + + md_reset(md); + md_interrupt_update(md); + + md->card.slot->card_string = "DSCM-1xxxx Hitachi Microdrive"; + return 0; +} + +static int dscm1xxxx_detach(void *opaque) +{ + MicroDriveState *md = (MicroDriveState *) opaque; + md_reset(md); + return 0; +} + +PCMCIACardState *dscm1xxxx_init(BlockDriverState *bdrv) +{ + MicroDriveState *md = (MicroDriveState *) qemu_mallocz(sizeof(MicroDriveState)); + md->card.state = md; + md->card.attach = dscm1xxxx_attach; + md->card.detach = dscm1xxxx_detach; + md->card.cis = dscm1xxxx_cis; + md->card.cis_len = sizeof(dscm1xxxx_cis); + + ide_init2(&md->bus, bdrv, NULL, qemu_allocate_irqs(md_set_irq, md, 1)[0]); + md->bus.ifs[0].is_cf = 1; + md->bus.ifs[0].mdata_size = METADATA_SIZE; + md->bus.ifs[0].mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE); + + register_savevm("microdrive", -1, 3, md_save, md_load, md); + + return &md->card; +} diff --git a/hw/ide/mmio.c b/hw/ide/mmio.c new file mode 100644 index 0000000000..99ddf9d4d9 --- /dev/null +++ b/hw/ide/mmio.c @@ -0,0 +1,144 @@ +/* + * QEMU IDE Emulation: mmio support (for embedded). + * + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2006 Openedhand Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include "block.h" +#include "block_int.h" +#include "sysemu.h" +#include "dma.h" + +#include + +/***********************************************************/ +/* MMIO based ide port + * This emulates IDE device connected directly to the CPU bus without + * dedicated ide controller, which is often seen on embedded boards. + */ + +typedef struct { + IDEBus *bus; + int shift; +} MMIOState; + +static uint32_t mmio_ide_read (void *opaque, target_phys_addr_t addr) +{ + MMIOState *s = (MMIOState*)opaque; + IDEBus *bus = s->bus; + addr >>= s->shift; + if (addr & 7) + return ide_ioport_read(bus, addr); + else + return ide_data_readw(bus, 0); +} + +static void mmio_ide_write (void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + MMIOState *s = (MMIOState*)opaque; + IDEBus *bus = s->bus; + addr >>= s->shift; + if (addr & 7) + ide_ioport_write(bus, addr, val); + else + ide_data_writew(bus, 0, val); +} + +static CPUReadMemoryFunc * const mmio_ide_reads[] = { + mmio_ide_read, + mmio_ide_read, + mmio_ide_read, +}; + +static CPUWriteMemoryFunc * const mmio_ide_writes[] = { + mmio_ide_write, + mmio_ide_write, + mmio_ide_write, +}; + +static uint32_t mmio_ide_status_read (void *opaque, target_phys_addr_t addr) +{ + MMIOState *s= (MMIOState*)opaque; + IDEBus *bus = s->bus; + return ide_status_read(bus, 0); +} + +static void mmio_ide_cmd_write (void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + MMIOState *s = (MMIOState*)opaque; + IDEBus *bus = s->bus; + ide_cmd_write(bus, 0, val); +} + +static CPUReadMemoryFunc * const mmio_ide_status[] = { + mmio_ide_status_read, + mmio_ide_status_read, + mmio_ide_status_read, +}; + +static CPUWriteMemoryFunc * const mmio_ide_cmd[] = { + mmio_ide_cmd_write, + mmio_ide_cmd_write, + mmio_ide_cmd_write, +}; + +static void mmio_ide_save(QEMUFile* f, void *opaque) +{ + MMIOState *s = opaque; + + idebus_save(f, s->bus); + ide_save(f, &s->bus->ifs[0]); + ide_save(f, &s->bus->ifs[1]); +} + +static int mmio_ide_load(QEMUFile* f, void *opaque, int version_id) +{ + MMIOState *s = opaque; + + idebus_load(f, s->bus, version_id); + ide_load(f, &s->bus->ifs[0], version_id); + ide_load(f, &s->bus->ifs[1], version_id); + return 0; +} + +void mmio_ide_init (target_phys_addr_t membase, target_phys_addr_t membase2, + qemu_irq irq, int shift, + BlockDriverState *hd0, BlockDriverState *hd1) +{ + MMIOState *s = qemu_mallocz(sizeof(MMIOState)); + IDEBus *bus = qemu_mallocz(sizeof(*bus)); + int mem1, mem2; + + ide_init2(bus, hd0, hd1, irq); + + s->bus = bus; + s->shift = shift; + + mem1 = cpu_register_io_memory(mmio_ide_reads, mmio_ide_writes, s); + mem2 = cpu_register_io_memory(mmio_ide_status, mmio_ide_cmd, s); + cpu_register_physical_memory(membase, 16 << shift, mem1); + cpu_register_physical_memory(membase2, 2 << shift, mem2); + register_savevm("mmio-ide", 0, 3, mmio_ide_save, mmio_ide_load, s); +} + diff --git a/hw/ide/pci.c b/hw/ide/pci.c new file mode 100644 index 0000000000..a3d6bd0dc6 --- /dev/null +++ b/hw/ide/pci.c @@ -0,0 +1,523 @@ +/* + * QEMU IDE Emulation: PCI Bus support. + * + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2006 Openedhand Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include +#include +#include "block.h" +#include "block_int.h" +#include "sysemu.h" +#include "dma.h" + +#include + +/***********************************************************/ +/* PCI IDE definitions */ + +/* CMD646 specific */ +#define MRDMODE 0x71 +#define MRDMODE_INTR_CH0 0x04 +#define MRDMODE_INTR_CH1 0x08 +#define MRDMODE_BLK_CH0 0x10 +#define MRDMODE_BLK_CH1 0x20 +#define UDIDETCR0 0x73 +#define UDIDETCR1 0x7B + +#define IDE_TYPE_PIIX3 0 +#define IDE_TYPE_CMD646 1 +#define IDE_TYPE_PIIX4 2 + +typedef struct PCIIDEState { + PCIDevice dev; + IDEBus bus[2]; + BMDMAState bmdma[2]; + int type; /* see IDE_TYPE_xxx */ +} PCIIDEState; + +static void cmd646_update_irq(PCIIDEState *d); + +static void ide_map(PCIDevice *pci_dev, int region_num, + uint32_t addr, uint32_t size, int type) +{ + PCIIDEState *d = (PCIIDEState *)pci_dev; + IDEBus *bus; + + if (region_num <= 3) { + bus = &d->bus[(region_num >> 1)]; + if (region_num & 1) { + register_ioport_read(addr + 2, 1, 1, ide_status_read, bus); + register_ioport_write(addr + 2, 1, 1, ide_cmd_write, bus); + } else { + register_ioport_write(addr, 8, 1, ide_ioport_write, bus); + register_ioport_read(addr, 8, 1, ide_ioport_read, bus); + + /* data ports */ + register_ioport_write(addr, 2, 2, ide_data_writew, bus); + register_ioport_read(addr, 2, 2, ide_data_readw, bus); + register_ioport_write(addr, 4, 4, ide_data_writel, bus); + register_ioport_read(addr, 4, 4, ide_data_readl, bus); + } + } +} + +static void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val) +{ + BMDMAState *bm = opaque; +#ifdef DEBUG_IDE + printf("%s: 0x%08x\n", __func__, val); +#endif + if (!(val & BM_CMD_START)) { + /* XXX: do it better */ + ide_dma_cancel(bm); + bm->cmd = val & 0x09; + } else { + if (!(bm->status & BM_STATUS_DMAING)) { + bm->status |= BM_STATUS_DMAING; + /* start dma transfer if possible */ + if (bm->dma_cb) + bm->dma_cb(bm, 0); + } + bm->cmd = val & 0x09; + } +} + +static uint32_t bmdma_readb(void *opaque, uint32_t addr) +{ + BMDMAState *bm = opaque; + PCIIDEState *pci_dev; + uint32_t val; + + switch(addr & 3) { + case 0: + val = bm->cmd; + break; + case 1: + pci_dev = bm->pci_dev; + if (pci_dev->type == IDE_TYPE_CMD646) { + val = pci_dev->dev.config[MRDMODE]; + } else { + val = 0xff; + } + break; + case 2: + val = bm->status; + break; + case 3: + pci_dev = bm->pci_dev; + if (pci_dev->type == IDE_TYPE_CMD646) { + if (bm == &pci_dev->bmdma[0]) + val = pci_dev->dev.config[UDIDETCR0]; + else + val = pci_dev->dev.config[UDIDETCR1]; + } else { + val = 0xff; + } + break; + default: + val = 0xff; + break; + } +#ifdef DEBUG_IDE + printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val); +#endif + return val; +} + +static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val) +{ + BMDMAState *bm = opaque; + PCIIDEState *pci_dev; +#ifdef DEBUG_IDE + printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val); +#endif + switch(addr & 3) { + case 1: + pci_dev = bm->pci_dev; + if (pci_dev->type == IDE_TYPE_CMD646) { + pci_dev->dev.config[MRDMODE] = + (pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30); + cmd646_update_irq(pci_dev); + } + break; + case 2: + bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06); + break; + case 3: + pci_dev = bm->pci_dev; + if (pci_dev->type == IDE_TYPE_CMD646) { + if (bm == &pci_dev->bmdma[0]) + pci_dev->dev.config[UDIDETCR0] = val; + else + pci_dev->dev.config[UDIDETCR1] = val; + } + break; + } +} + +static uint32_t bmdma_addr_readb(void *opaque, uint32_t addr) +{ + BMDMAState *bm = opaque; + uint32_t val; + val = (bm->addr >> ((addr & 3) * 8)) & 0xff; +#ifdef DEBUG_IDE + printf("%s: 0x%08x\n", __func__, val); +#endif + return val; +} + +static void bmdma_addr_writeb(void *opaque, uint32_t addr, uint32_t val) +{ + BMDMAState *bm = opaque; + int shift = (addr & 3) * 8; +#ifdef DEBUG_IDE + printf("%s: 0x%08x\n", __func__, val); +#endif + bm->addr &= ~(0xFF << shift); + bm->addr |= ((val & 0xFF) << shift) & ~3; + bm->cur_addr = bm->addr; +} + +static uint32_t bmdma_addr_readw(void *opaque, uint32_t addr) +{ + BMDMAState *bm = opaque; + uint32_t val; + val = (bm->addr >> ((addr & 3) * 8)) & 0xffff; +#ifdef DEBUG_IDE + printf("%s: 0x%08x\n", __func__, val); +#endif + return val; +} + +static void bmdma_addr_writew(void *opaque, uint32_t addr, uint32_t val) +{ + BMDMAState *bm = opaque; + int shift = (addr & 3) * 8; +#ifdef DEBUG_IDE + printf("%s: 0x%08x\n", __func__, val); +#endif + bm->addr &= ~(0xFFFF << shift); + bm->addr |= ((val & 0xFFFF) << shift) & ~3; + bm->cur_addr = bm->addr; +} + +static uint32_t bmdma_addr_readl(void *opaque, uint32_t addr) +{ + BMDMAState *bm = opaque; + uint32_t val; + val = bm->addr; +#ifdef DEBUG_IDE + printf("%s: 0x%08x\n", __func__, val); +#endif + return val; +} + +static void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val) +{ + BMDMAState *bm = opaque; +#ifdef DEBUG_IDE + printf("%s: 0x%08x\n", __func__, val); +#endif + bm->addr = val & ~3; + bm->cur_addr = bm->addr; +} + +static void bmdma_map(PCIDevice *pci_dev, int region_num, + uint32_t addr, uint32_t size, int type) +{ + PCIIDEState *d = (PCIIDEState *)pci_dev; + int i; + + for(i = 0;i < 2; i++) { + BMDMAState *bm = &d->bmdma[i]; + d->bus[i].bmdma = bm; + bm->pci_dev = DO_UPCAST(PCIIDEState, dev, pci_dev); + bm->bus = d->bus+i; + qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm); + + register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm); + + register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm); + register_ioport_read(addr, 4, 1, bmdma_readb, bm); + + register_ioport_write(addr + 4, 4, 1, bmdma_addr_writeb, bm); + register_ioport_read(addr + 4, 4, 1, bmdma_addr_readb, bm); + register_ioport_write(addr + 4, 4, 2, bmdma_addr_writew, bm); + register_ioport_read(addr + 4, 4, 2, bmdma_addr_readw, bm); + register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm); + register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm); + addr += 8; + } +} + +static void pci_ide_save(QEMUFile* f, void *opaque) +{ + PCIIDEState *d = opaque; + int i; + + pci_device_save(&d->dev, f); + + for(i = 0; i < 2; i++) { + BMDMAState *bm = &d->bmdma[i]; + uint8_t ifidx; + qemu_put_8s(f, &bm->cmd); + qemu_put_8s(f, &bm->status); + qemu_put_be32s(f, &bm->addr); + qemu_put_sbe64s(f, &bm->sector_num); + qemu_put_be32s(f, &bm->nsector); + ifidx = bm->unit + 2*i; + qemu_put_8s(f, &ifidx); + /* XXX: if a transfer is pending, we do not save it yet */ + } + + /* per IDE interface data */ + for(i = 0; i < 2; i++) { + idebus_save(f, &d->bus[i]); + } + + /* per IDE drive data */ + for(i = 0; i < 2; i++) { + ide_save(f, &d->bus[i].ifs[0]); + ide_save(f, &d->bus[i].ifs[1]); + } +} + +static int pci_ide_load(QEMUFile* f, void *opaque, int version_id) +{ + PCIIDEState *d = opaque; + int ret, i; + + if (version_id != 2 && version_id != 3) + return -EINVAL; + ret = pci_device_load(&d->dev, f); + if (ret < 0) + return ret; + + for(i = 0; i < 2; i++) { + BMDMAState *bm = &d->bmdma[i]; + uint8_t ifidx; + qemu_get_8s(f, &bm->cmd); + qemu_get_8s(f, &bm->status); + qemu_get_be32s(f, &bm->addr); + qemu_get_sbe64s(f, &bm->sector_num); + qemu_get_be32s(f, &bm->nsector); + qemu_get_8s(f, &ifidx); + bm->unit = ifidx & 1; + /* XXX: if a transfer is pending, we do not save it yet */ + } + + /* per IDE interface data */ + for(i = 0; i < 2; i++) { + idebus_load(f, &d->bus[i], version_id); + } + + /* per IDE drive data */ + for(i = 0; i < 2; i++) { + ide_load(f, &d->bus[i].ifs[0], version_id); + ide_load(f, &d->bus[i].ifs[1], version_id); + } + return 0; +} + +/* XXX: call it also when the MRDMODE is changed from the PCI config + registers */ +static void cmd646_update_irq(PCIIDEState *d) +{ + int pci_level; + pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) && + !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) || + ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) && + !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1)); + qemu_set_irq(d->dev.irq[0], pci_level); +} + +/* the PCI irq level is the logical OR of the two channels */ +static void cmd646_set_irq(void *opaque, int channel, int level) +{ + PCIIDEState *d = opaque; + int irq_mask; + + irq_mask = MRDMODE_INTR_CH0 << channel; + if (level) + d->dev.config[MRDMODE] |= irq_mask; + else + d->dev.config[MRDMODE] &= ~irq_mask; + cmd646_update_irq(d); +} + +static void cmd646_reset(void *opaque) +{ + PCIIDEState *d = opaque; + unsigned int i; + + for (i = 0; i < 2; i++) + ide_dma_cancel(&d->bmdma[i]); +} + +/* CMD646 PCI IDE controller */ +void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table, + int secondary_ide_enabled) +{ + PCIIDEState *d; + uint8_t *pci_conf; + qemu_irq *irq; + + d = (PCIIDEState *)pci_register_device(bus, "CMD646 IDE", + sizeof(PCIIDEState), + -1, + NULL, NULL); + d->type = IDE_TYPE_CMD646; + pci_conf = d->dev.config; + pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_CMD); + pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_CMD_646); + + pci_conf[0x08] = 0x07; // IDE controller revision + pci_conf[0x09] = 0x8f; + + pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); + pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type + + pci_conf[0x51] = 0x04; // enable IDE0 + if (secondary_ide_enabled) { + /* XXX: if not enabled, really disable the seconday IDE controller */ + pci_conf[0x51] |= 0x08; /* enable IDE1 */ + } + + pci_register_bar((PCIDevice *)d, 0, 0x8, + PCI_ADDRESS_SPACE_IO, ide_map); + pci_register_bar((PCIDevice *)d, 1, 0x4, + PCI_ADDRESS_SPACE_IO, ide_map); + pci_register_bar((PCIDevice *)d, 2, 0x8, + PCI_ADDRESS_SPACE_IO, ide_map); + pci_register_bar((PCIDevice *)d, 3, 0x4, + PCI_ADDRESS_SPACE_IO, ide_map); + pci_register_bar((PCIDevice *)d, 4, 0x10, + PCI_ADDRESS_SPACE_IO, bmdma_map); + + pci_conf[0x3d] = 0x01; // interrupt on pin 1 + + irq = qemu_allocate_irqs(cmd646_set_irq, d, 2); + ide_init2(&d->bus[0], hd_table[0], hd_table[1], irq[0]); + ide_init2(&d->bus[1], hd_table[2], hd_table[3], irq[1]); + + register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); + qemu_register_reset(cmd646_reset, d); + cmd646_reset(d); +} + +static void piix3_reset(void *opaque) +{ + PCIIDEState *d = opaque; + uint8_t *pci_conf = d->dev.config; + int i; + + for (i = 0; i < 2; i++) + ide_dma_cancel(&d->bmdma[i]); + + pci_conf[0x04] = 0x00; + pci_conf[0x05] = 0x00; + pci_conf[0x06] = 0x80; /* FBC */ + pci_conf[0x07] = 0x02; // PCI_status_devsel_medium + pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */ +} + +/* hd_table must contain 4 block drivers */ +/* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */ +void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, + qemu_irq *pic) +{ + PCIIDEState *d; + uint8_t *pci_conf; + int i; + + /* register a function 1 of PIIX3 */ + d = (PCIIDEState *)pci_register_device(bus, "PIIX3 IDE", + sizeof(PCIIDEState), + devfn, + NULL, NULL); + d->type = IDE_TYPE_PIIX3; + + pci_conf = d->dev.config; + pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); + pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371SB_1); + pci_conf[0x09] = 0x80; // legacy ATA mode + pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); + pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type + + qemu_register_reset(piix3_reset, d); + piix3_reset(d); + + pci_register_bar((PCIDevice *)d, 4, 0x10, + PCI_ADDRESS_SPACE_IO, bmdma_map); + + ide_init2(&d->bus[0], hd_table[0], hd_table[1], isa_reserve_irq(14)); + ide_init2(&d->bus[1], hd_table[2], hd_table[3], isa_reserve_irq(15)); + ide_init_ioport(&d->bus[0], 0x1f0, 0x3f6); + ide_init_ioport(&d->bus[1], 0x170, 0x376); + + for (i = 0; i < 4; i++) + if (hd_table[i]) + hd_table[i]->private = &d->dev; + + register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); +} + +/* hd_table must contain 4 block drivers */ +/* NOTE: for the PIIX4, the IRQs and IOports are hardcoded */ +void pci_piix4_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, + qemu_irq *pic) +{ + PCIIDEState *d; + uint8_t *pci_conf; + + /* register a function 1 of PIIX4 */ + d = (PCIIDEState *)pci_register_device(bus, "PIIX4 IDE", + sizeof(PCIIDEState), + devfn, + NULL, NULL); + d->type = IDE_TYPE_PIIX4; + + pci_conf = d->dev.config; + pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); + pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371AB); + pci_conf[0x09] = 0x80; // legacy ATA mode + pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); + pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type + + qemu_register_reset(piix3_reset, d); + piix3_reset(d); + + pci_register_bar((PCIDevice *)d, 4, 0x10, + PCI_ADDRESS_SPACE_IO, bmdma_map); + + /* + * These should call isa_reserve_irq() instead when MIPS supports it + */ + ide_init2(&d->bus[0], hd_table[0], hd_table[1], pic[14]); + ide_init2(&d->bus[1], hd_table[2], hd_table[3], pic[15]); + ide_init_ioport(&d->bus[0], 0x1f0, 0x3f6); + ide_init_ioport(&d->bus[1], 0x170, 0x376); + + register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); +} +