/*
* TARGET PORT GROUP
*/
- buf[off++] = ((tg_pt_gp->tg_pt_gp_id >> 8) & 0xff);
- buf[off++] = (tg_pt_gp->tg_pt_gp_id & 0xff);
+ put_unaligned_be16(tg_pt_gp->tg_pt_gp_id, &buf[off]);
+ off += 2;
off++; /* Skip over Reserved */
/*
/*
* Set RELATIVE TARGET PORT IDENTIFIER
*/
- buf[off++] = ((lun->lun_rtpi >> 8) & 0xff);
- buf[off++] = (lun->lun_rtpi & 0xff);
+ put_unaligned_be16(lun->lun_rtpi, &buf[off]);
+ off += 2;
rd_len += 4;
}
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
TRANSPORT_FLAG_PASSTHROUGH_PGR)) {
if (cdb[0] == PERSISTENT_RESERVE_IN) {
cmd->execute_cmd = target_scsi3_emulate_pr_in;
- size = (cdb[7] << 8) + cdb[8];
+ size = get_unaligned_be16(&cdb[7]);
return target_cmd_size_check(cmd, size);
}
if (cdb[0] == PERSISTENT_RESERVE_OUT) {
cmd->execute_cmd = target_scsi3_emulate_pr_out;
- size = (cdb[7] << 8) + cdb[8];
+ size = get_unaligned_be16(&cdb[7]);
return target_cmd_size_check(cmd, size);
}
if (cdb[0] == RELEASE || cdb[0] == RELEASE_10) {
cmd->execute_cmd = target_scsi2_reservation_release;
if (cdb[0] == RELEASE_10)
- size = (cdb[7] << 8) | cdb[8];
+ size = get_unaligned_be16(&cdb[7]);
else
size = cmd->data_length;
return target_cmd_size_check(cmd, size);
if (cdb[0] == RESERVE || cdb[0] == RESERVE_10) {
cmd->execute_cmd = target_scsi2_reservation_reserve;
if (cdb[0] == RESERVE_10)
- size = (cdb[7] << 8) | cdb[8];
+ size = get_unaligned_be16(&cdb[7]);
else
size = cmd->data_length;
return target_cmd_size_check(cmd, size);
#include <linux/ctype.h>
#include <linux/spinlock.h>
#include <linux/export.h>
+#include <asm/unaligned.h>
#include <scsi/scsi_proto.h>
if (padding != 0)
len += padding;
- buf[2] = ((len >> 8) & 0xff);
- buf[3] = (len & 0xff);
+ put_unaligned_be16(len, &buf[2]);
/*
* Increment value for total payload + header length for
* full status descriptor
*/
if (out_tid_len) {
/* The shift works thanks to integer promotion rules */
- add_len = (buf[2] << 8) | buf[3];
+ add_len = get_unaligned_be16(&buf[2]);
tid_len = strlen(&buf[4]);
tid_len += 4; /* Add four bytes for iSCSI Transport ID header */
* first extract TransportID Parameter Data Length, and make sure
* the value matches up to the SCSI expected data transfer length.
*/
- tpdl = (buf[24] & 0xff) << 24;
- tpdl |= (buf[25] & 0xff) << 16;
- tpdl |= (buf[26] & 0xff) << 8;
- tpdl |= buf[27] & 0xff;
+ tpdl = get_unaligned_be32(&buf[24]);
if ((tpdl + 28) != cmd->data_length) {
pr_err("SPC-3 PR: Illegal tpdl: %u + 28 byte header"
goto out_put_pr_reg;
}
- rtpi = (buf[18] & 0xff) << 8;
- rtpi |= buf[19] & 0xff;
- tid_len = (buf[20] & 0xff) << 24;
- tid_len |= (buf[21] & 0xff) << 16;
- tid_len |= (buf[22] & 0xff) << 8;
- tid_len |= buf[23] & 0xff;
+ rtpi = get_unaligned_be16(&buf[18]);
+ tid_len = get_unaligned_be32(&buf[20]);
transport_kunmap_data_sg(cmd);
buf = NULL;
return ret;
}
-static unsigned long long core_scsi3_extract_reservation_key(unsigned char *cdb)
-{
- unsigned int __v1, __v2;
-
- __v1 = (cdb[0] << 24) | (cdb[1] << 16) | (cdb[2] << 8) | cdb[3];
- __v2 = (cdb[4] << 24) | (cdb[5] << 16) | (cdb[6] << 8) | cdb[7];
-
- return ((unsigned long long)__v2) | (unsigned long long)__v1 << 32;
-}
-
/*
* See spc4r17 section 6.14 Table 170
*/
/*
* From PERSISTENT_RESERVE_OUT parameter list (payload)
*/
- res_key = core_scsi3_extract_reservation_key(&buf[0]);
- sa_res_key = core_scsi3_extract_reservation_key(&buf[8]);
+ res_key = get_unaligned_be64(&buf[0]);
+ sa_res_key = get_unaligned_be64(&buf[8]);
/*
* REGISTER_AND_MOVE uses a different SA parameter list containing
* SCSI TransportIDs.
if (!buf)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- buf[0] = ((dev->t10_pr.pr_generation >> 24) & 0xff);
- buf[1] = ((dev->t10_pr.pr_generation >> 16) & 0xff);
- buf[2] = ((dev->t10_pr.pr_generation >> 8) & 0xff);
- buf[3] = (dev->t10_pr.pr_generation & 0xff);
+ put_unaligned_be32(dev->t10_pr.pr_generation, buf);
spin_lock(&dev->t10_pr.registration_lock);
list_for_each_entry(pr_reg, &dev->t10_pr.registration_list,
if ((add_len + 8) > (cmd->data_length - 8))
break;
- buf[off++] = ((pr_reg->pr_res_key >> 56) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 48) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 40) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 32) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 24) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 16) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 8) & 0xff);
- buf[off++] = (pr_reg->pr_res_key & 0xff);
-
+ put_unaligned_be64(pr_reg->pr_res_key, &buf[off]);
+ off += 8;
add_len += 8;
}
spin_unlock(&dev->t10_pr.registration_lock);
- buf[4] = ((add_len >> 24) & 0xff);
- buf[5] = ((add_len >> 16) & 0xff);
- buf[6] = ((add_len >> 8) & 0xff);
- buf[7] = (add_len & 0xff);
+ put_unaligned_be32(add_len, &buf[4]);
transport_kunmap_data_sg(cmd);
if (!buf)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- buf[0] = ((dev->t10_pr.pr_generation >> 24) & 0xff);
- buf[1] = ((dev->t10_pr.pr_generation >> 16) & 0xff);
- buf[2] = ((dev->t10_pr.pr_generation >> 8) & 0xff);
- buf[3] = (dev->t10_pr.pr_generation & 0xff);
+ put_unaligned_be32(dev->t10_pr.pr_generation, &buf[0]);
spin_lock(&dev->dev_reservation_lock);
pr_reg = dev->dev_pr_res_holder;
/*
* Set the hardcoded Additional Length
*/
- buf[4] = ((add_len >> 24) & 0xff);
- buf[5] = ((add_len >> 16) & 0xff);
- buf[6] = ((add_len >> 8) & 0xff);
- buf[7] = (add_len & 0xff);
+ put_unaligned_be32(add_len, &buf[4]);
if (cmd->data_length < 22)
goto err;
else
pr_res_key = pr_reg->pr_res_key;
- buf[8] = ((pr_res_key >> 56) & 0xff);
- buf[9] = ((pr_res_key >> 48) & 0xff);
- buf[10] = ((pr_res_key >> 40) & 0xff);
- buf[11] = ((pr_res_key >> 32) & 0xff);
- buf[12] = ((pr_res_key >> 24) & 0xff);
- buf[13] = ((pr_res_key >> 16) & 0xff);
- buf[14] = ((pr_res_key >> 8) & 0xff);
- buf[15] = (pr_res_key & 0xff);
+ put_unaligned_be64(pr_res_key, &buf[8]);
/*
* Set the SCOPE and TYPE
*/
if (!buf)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- buf[0] = ((add_len >> 8) & 0xff);
- buf[1] = (add_len & 0xff);
+ put_unaligned_be16(add_len, &buf[0]);
buf[2] |= 0x10; /* CRH: Compatible Reservation Hanlding bit. */
buf[2] |= 0x08; /* SIP_C: Specify Initiator Ports Capable bit */
buf[2] |= 0x04; /* ATP_C: All Target Ports Capable bit */
if (!buf)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- buf[0] = ((dev->t10_pr.pr_generation >> 24) & 0xff);
- buf[1] = ((dev->t10_pr.pr_generation >> 16) & 0xff);
- buf[2] = ((dev->t10_pr.pr_generation >> 8) & 0xff);
- buf[3] = (dev->t10_pr.pr_generation & 0xff);
+ put_unaligned_be32(dev->t10_pr.pr_generation, &buf[0]);
spin_lock(&dev->dev_reservation_lock);
if (dev->dev_pr_res_holder) {
/*
* Set RESERVATION KEY
*/
- buf[off++] = ((pr_reg->pr_res_key >> 56) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 48) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 40) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 32) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 24) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 16) & 0xff);
- buf[off++] = ((pr_reg->pr_res_key >> 8) & 0xff);
- buf[off++] = (pr_reg->pr_res_key & 0xff);
+ put_unaligned_be64(pr_reg->pr_res_key, &buf[off]);
+ off += 8;
off += 4; /* Skip Over Reserved area */
/*
if (!pr_reg->pr_reg_all_tg_pt) {
u16 sep_rtpi = pr_reg->tg_pt_sep_rtpi;
- buf[off++] = ((sep_rtpi >> 8) & 0xff);
- buf[off++] = (sep_rtpi & 0xff);
+ put_unaligned_be16(sep_rtpi, &buf[off]);
+ off += 2;
} else
off += 2; /* Skip over RELATIVE TARGET PORT IDENTIFIER */
/*
* Set the ADDITIONAL DESCRIPTOR LENGTH
*/
- buf[off++] = ((desc_len >> 24) & 0xff);
- buf[off++] = ((desc_len >> 16) & 0xff);
- buf[off++] = ((desc_len >> 8) & 0xff);
- buf[off++] = (desc_len & 0xff);
+ put_unaligned_be32(desc_len, &buf[off]);
/*
* Size of full desctipor header minus TransportID
* containing $FABRIC_MOD specific) initiator device/port
/*
* Set ADDITIONAL_LENGTH
*/
- buf[4] = ((add_len >> 24) & 0xff);
- buf[5] = ((add_len >> 16) & 0xff);
- buf[6] = ((add_len >> 8) & 0xff);
- buf[7] = (add_len & 0xff);
+ put_unaligned_be32(add_len, &buf[4]);
transport_kunmap_data_sg(cmd);
/*
* If MODE_SENSE still returns zero, set the default value to 1024.
*/
- sdev->sector_size = (buf[9] << 16) | (buf[10] << 8) | (buf[11]);
+ sdev->sector_size = get_unaligned_be24(&buf[9]);
out_free:
if (!sdev->sector_size)
sdev->sector_size = 1024;
cdb[0] = INQUIRY;
cdb[1] = 0x01; /* Query VPD */
cdb[2] = 0x80; /* Unit Serial Number */
- cdb[3] = (INQUIRY_VPD_SERIAL_LEN >> 8) & 0xff;
- cdb[4] = (INQUIRY_VPD_SERIAL_LEN & 0xff);
+ put_unaligned_be16(INQUIRY_VPD_SERIAL_LEN, &cdb[3]);
ret = scsi_execute_req(sdev, cdb, DMA_FROM_DEVICE, buf,
INQUIRY_VPD_SERIAL_LEN, NULL, HZ, 1, NULL);
cdb[0] = INQUIRY;
cdb[1] = 0x01; /* Query VPD */
cdb[2] = 0x83; /* Device Identifier */
- cdb[3] = (INQUIRY_VPD_DEVICE_IDENTIFIER_LEN >> 8) & 0xff;
- cdb[4] = (INQUIRY_VPD_DEVICE_IDENTIFIER_LEN & 0xff);
+ put_unaligned_be16(INQUIRY_VPD_DEVICE_IDENTIFIER_LEN, &cdb[3]);
ret = scsi_execute_req(sdev, cdb, DMA_FROM_DEVICE, buf,
INQUIRY_VPD_DEVICE_IDENTIFIER_LEN,
if (ret)
goto out;
- page_len = (buf[2] << 8) | buf[3];
+ page_len = get_unaligned_be16(&buf[2]);
while (page_len > 0) {
/* Grab a pointer to the Identification descriptor */
page_83 = &buf[off];
}
if (cdb[0] == MODE_SELECT)
- bdl = (buf[3]);
+ bdl = buf[3];
else
- bdl = (buf[6] << 8) | (buf[7]);
+ bdl = get_unaligned_be16(&buf[6]);
if (!bdl)
goto after_mode_select;
if (cdb[0] == MODE_SELECT)
- blocksize = (buf[9] << 16) | (buf[10] << 8) |
- (buf[11]);
+ blocksize = get_unaligned_be24(&buf[9]);
else
- blocksize = (buf[13] << 16) | (buf[14] << 8) |
- (buf[15]);
+ blocksize = get_unaligned_be24(&buf[13]);
sd->sector_size = blocksize;
}
else
blocks = (u32)blocks_long;
- buf[0] = (blocks >> 24) & 0xff;
- buf[1] = (blocks >> 16) & 0xff;
- buf[2] = (blocks >> 8) & 0xff;
- buf[3] = blocks & 0xff;
- buf[4] = (dev->dev_attrib.block_size >> 24) & 0xff;
- buf[5] = (dev->dev_attrib.block_size >> 16) & 0xff;
- buf[6] = (dev->dev_attrib.block_size >> 8) & 0xff;
- buf[7] = dev->dev_attrib.block_size & 0xff;
+ put_unaligned_be32(blocks, &buf[0]);
+ put_unaligned_be32(dev->dev_attrib.block_size, &buf[4]);
rbuf = transport_kmap_data_sg(cmd);
if (rbuf) {
unsigned long long blocks = dev->transport->get_blocks(dev);
memset(buf, 0, sizeof(buf));
- buf[0] = (blocks >> 56) & 0xff;
- buf[1] = (blocks >> 48) & 0xff;
- buf[2] = (blocks >> 40) & 0xff;
- buf[3] = (blocks >> 32) & 0xff;
- buf[4] = (blocks >> 24) & 0xff;
- buf[5] = (blocks >> 16) & 0xff;
- buf[6] = (blocks >> 8) & 0xff;
- buf[7] = blocks & 0xff;
- buf[8] = (dev->dev_attrib.block_size >> 24) & 0xff;
- buf[9] = (dev->dev_attrib.block_size >> 16) & 0xff;
- buf[10] = (dev->dev_attrib.block_size >> 8) & 0xff;
- buf[11] = dev->dev_attrib.block_size & 0xff;
+ put_unaligned_be64(blocks, &buf[0]);
+ put_unaligned_be32(dev->dev_attrib.block_size, &buf[8]);
/*
* Set P_TYPE and PROT_EN bits for DIF support
*/
if (dev->transport->get_alignment_offset_lbas) {
u16 lalba = dev->transport->get_alignment_offset_lbas(dev);
- buf[14] = (lalba >> 8) & 0x3f;
- buf[15] = lalba & 0xff;
+
+ put_unaligned_be16(lalba, &buf[14]);
}
/*
static inline u32 transport_get_sectors_10(unsigned char *cdb)
{
- return (u32)(cdb[7] << 8) + cdb[8];
+ return get_unaligned_be16(&cdb[7]);
}
static inline u32 transport_get_sectors_12(unsigned char *cdb)
{
- return (u32)(cdb[6] << 24) + (cdb[7] << 16) + (cdb[8] << 8) + cdb[9];
+ return get_unaligned_be32(&cdb[6]);
}
static inline u32 transport_get_sectors_16(unsigned char *cdb)
{
- return (u32)(cdb[10] << 24) + (cdb[11] << 16) +
- (cdb[12] << 8) + cdb[13];
+ return get_unaligned_be32(&cdb[10]);
}
/*
*/
static inline u32 transport_get_sectors_32(unsigned char *cdb)
{
- return (u32)(cdb[28] << 24) + (cdb[29] << 16) +
- (cdb[30] << 8) + cdb[31];
+ return get_unaligned_be32(&cdb[28]);
}
static inline u32 transport_lba_21(unsigned char *cdb)
{
- return ((cdb[1] & 0x1f) << 16) | (cdb[2] << 8) | cdb[3];
+ return get_unaligned_be24(&cdb[1]) & 0x1fffff;
}
static inline u32 transport_lba_32(unsigned char *cdb)
{
- return (cdb[2] << 24) | (cdb[3] << 16) | (cdb[4] << 8) | cdb[5];
+ return get_unaligned_be32(&cdb[2]);
}
static inline unsigned long long transport_lba_64(unsigned char *cdb)
{
- unsigned int __v1, __v2;
-
- __v1 = (cdb[2] << 24) | (cdb[3] << 16) | (cdb[4] << 8) | cdb[5];
- __v2 = (cdb[6] << 24) | (cdb[7] << 16) | (cdb[8] << 8) | cdb[9];
-
- return ((unsigned long long)__v2) | (unsigned long long)__v1 << 32;
+ return get_unaligned_be64(&cdb[2]);
}
/*
*/
static inline unsigned long long transport_lba_64_ext(unsigned char *cdb)
{
- unsigned int __v1, __v2;
-
- __v1 = (cdb[12] << 24) | (cdb[13] << 16) | (cdb[14] << 8) | cdb[15];
- __v2 = (cdb[16] << 24) | (cdb[17] << 16) | (cdb[18] << 8) | cdb[19];
-
- return ((unsigned long long)__v2) | (unsigned long long)__v1 << 32;
+ return get_unaligned_be64(&cdb[12]);
}
static sense_reason_t
cmd->t_task_cdb[1] & 0x1f);
return TCM_INVALID_CDB_FIELD;
}
- size = (cdb[10] << 24) | (cdb[11] << 16) |
- (cdb[12] << 8) | cdb[13];
+ size = get_unaligned_be32(&cdb[10]);
break;
case SYNCHRONIZE_CACHE:
case SYNCHRONIZE_CACHE_16:
/* Skip over Obsolete field in RTPI payload
* in Table 472 */
off += 2;
- buf[off++] = ((lun->lun_rtpi >> 8) & 0xff);
- buf[off++] = (lun->lun_rtpi & 0xff);
+ put_unaligned_be16(lun->lun_rtpi, &buf[off]);
+ off += 2;
len += 8; /* Header size + Designation descriptor */
/*
* Target port group identifier, see spc4r17
off++; /* Skip over Reserved */
buf[off++] = 4; /* DESIGNATOR LENGTH */
off += 2; /* Skip over Reserved Field */
- buf[off++] = ((tg_pt_gp_id >> 8) & 0xff);
- buf[off++] = (tg_pt_gp_id & 0xff);
+ put_unaligned_be16(tg_pt_gp_id, &buf[off]);
+ off += 2;
len += 8; /* Header size + Designation descriptor */
/*
* Logical Unit Group identifier, see spc4r17
off++; /* Skip over Reserved */
buf[off++] = 4; /* DESIGNATOR LENGTH */
off += 2; /* Skip over Reserved Field */
- buf[off++] = ((lu_gp_id >> 8) & 0xff);
- buf[off++] = (lu_gp_id & 0xff);
+ put_unaligned_be16(lu_gp_id, &buf[off]);
+ off += 2;
len += 8; /* Header size + Designation descriptor */
/*
* SCSI name string designator, see spc4r17
/* Header size + Designation descriptor */
len += (scsi_target_len + 4);
}
- buf[2] = ((len >> 8) & 0xff);
- buf[3] = (len & 0xff); /* Page Length for VPD 0x83 */
+ put_unaligned_be16(len, &buf[2]); /* Page Length for VPD 0x83 */
return 0;
}
EXPORT_SYMBOL(spc_emulate_evpd_83);
cmd->execute_cmd = spc_emulate_modeselect;
break;
case MODE_SELECT_10:
- *size = (cdb[7] << 8) + cdb[8];
+ *size = get_unaligned_be16(&cdb[7]);
cmd->execute_cmd = spc_emulate_modeselect;
break;
case MODE_SENSE:
cmd->execute_cmd = spc_emulate_modesense;
break;
case MODE_SENSE_10:
- *size = (cdb[7] << 8) + cdb[8];
+ *size = get_unaligned_be16(&cdb[7]);
cmd->execute_cmd = spc_emulate_modesense;
break;
case LOG_SELECT:
case LOG_SENSE:
- *size = (cdb[7] << 8) + cdb[8];
+ *size = get_unaligned_be16(&cdb[7]);
break;
case PERSISTENT_RESERVE_IN:
- *size = (cdb[7] << 8) + cdb[8];
+ *size = get_unaligned_be16(&cdb[7]);
cmd->execute_cmd = target_scsi3_emulate_pr_in;
break;
case PERSISTENT_RESERVE_OUT:
- *size = (cdb[7] << 8) + cdb[8];
+ *size = get_unaligned_be16(&cdb[7]);
cmd->execute_cmd = target_scsi3_emulate_pr_out;
break;
case RELEASE:
case RELEASE_10:
if (cdb[0] == RELEASE_10)
- *size = (cdb[7] << 8) | cdb[8];
+ *size = get_unaligned_be16(&cdb[7]);
else
*size = cmd->data_length;
* Assume the passthrough or $FABRIC_MOD will tell us about it.
*/
if (cdb[0] == RESERVE_10)
- *size = (cdb[7] << 8) | cdb[8];
+ *size = get_unaligned_be16(&cdb[7]);
else
*size = cmd->data_length;
cmd->execute_cmd = spc_emulate_request_sense;
break;
case INQUIRY:
- *size = (cdb[3] << 8) + cdb[4];
+ *size = get_unaligned_be16(&cdb[3]);
/*
* Do implicit HEAD_OF_QUEUE processing for INQUIRY.
break;
case SECURITY_PROTOCOL_IN:
case SECURITY_PROTOCOL_OUT:
- *size = (cdb[6] << 24) | (cdb[7] << 16) | (cdb[8] << 8) | cdb[9];
+ *size = get_unaligned_be32(&cdb[6]);
break;
case EXTENDED_COPY:
*size = get_unaligned_be32(&cdb[10]);
break;
case READ_ATTRIBUTE:
case WRITE_ATTRIBUTE:
- *size = (cdb[10] << 24) | (cdb[11] << 16) |
- (cdb[12] << 8) | cdb[13];
+ *size = get_unaligned_be32(&cdb[10]);
break;
case RECEIVE_DIAGNOSTIC:
case SEND_DIAGNOSTIC:
- *size = (cdb[3] << 8) | cdb[4];
+ *size = get_unaligned_be16(&cdb[3]);
break;
case WRITE_BUFFER:
- *size = (cdb[6] << 16) + (cdb[7] << 8) + cdb[8];
+ *size = get_unaligned_be24(&cdb[6]);
break;
case REPORT_LUNS:
cmd->execute_cmd = spc_emulate_report_luns;
- *size = (cdb[6] << 24) | (cdb[7] << 16) | (cdb[8] << 8) | cdb[9];
+ *size = get_unaligned_be32(&cdb[6]);
/*
* Do implicit HEAD_OF_QUEUE processing for REPORT_LUNS
* See spc4r17 section 5.3
(unsigned long long)xop->dst_lba);
if (dc != 0) {
- xop->dbl = (desc[29] & 0xff) << 16;
- xop->dbl |= (desc[30] & 0xff) << 8;
- xop->dbl |= desc[31] & 0xff;
+ xop->dbl = get_unaligned_be24(&desc[29]);
pr_debug("XCOPY seg desc 0x02: DC=1 w/ dbl: %u\n", xop->dbl);
}
#define TARGET_CORE_BACKEND_H
#include <linux/types.h>
+#include <asm/unaligned.h>
#include <target/target_core_base.h>
#define TRANSPORT_FLAG_PASSTHROUGH 0x1
bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib,
struct request_queue *q);
+
+/* Only use get_unaligned_be24() if reading p - 1 is allowed. */
+static inline uint32_t get_unaligned_be24(const uint8_t *const p)
+{
+ return get_unaligned_be32(p - 1) & 0xffffffU;
+}
+
#endif /* TARGET_CORE_BACKEND_H */
projects / linux.git / commitdiff