#include "net_driver.h"
#include "efx_devlink.h"
+#include <linux/rtc.h>
+#include "mcdi.h"
+#include "mcdi_functions.h"
+#include "mcdi_pcol.h"
struct efx_devlink {
struct efx_nic *efx;
};
+static int efx_devlink_info_nvram_partition(struct efx_nic *efx,
+ struct devlink_info_req *req,
+ unsigned int partition_type,
+ const char *version_name)
+{
+ char buf[EFX_MAX_VERSION_INFO_LEN];
+ u16 version[4];
+ int rc;
+
+ rc = efx_mcdi_nvram_metadata(efx, partition_type, NULL, version, NULL,
+ 0);
+ if (rc) {
+ netif_err(efx, drv, efx->net_dev, "mcdi nvram %s: failed\n",
+ version_name);
+ return rc;
+ }
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u", version[0],
+ version[1], version[2], version[3]);
+ devlink_info_version_stored_put(req, version_name, buf);
+
+ return 0;
+}
+
+static int efx_devlink_info_stored_versions(struct efx_nic *efx,
+ struct devlink_info_req *req)
+{
+ int rc;
+
+ rc = efx_devlink_info_nvram_partition(efx, req,
+ NVRAM_PARTITION_TYPE_BUNDLE,
+ DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID);
+ if (rc)
+ return rc;
+
+ rc = efx_devlink_info_nvram_partition(efx, req,
+ NVRAM_PARTITION_TYPE_MC_FIRMWARE,
+ DEVLINK_INFO_VERSION_GENERIC_FW_MGMT);
+ if (rc)
+ return rc;
+
+ rc = efx_devlink_info_nvram_partition(efx, req,
+ NVRAM_PARTITION_TYPE_SUC_FIRMWARE,
+ EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC);
+ if (rc)
+ return rc;
+
+ rc = efx_devlink_info_nvram_partition(efx, req,
+ NVRAM_PARTITION_TYPE_EXPANSION_ROM,
+ EFX_DEVLINK_INFO_VERSION_FW_EXPROM);
+ if (rc)
+ return rc;
+
+ rc = efx_devlink_info_nvram_partition(efx, req,
+ NVRAM_PARTITION_TYPE_EXPANSION_UEFI,
+ EFX_DEVLINK_INFO_VERSION_FW_UEFI);
+ return rc;
+}
+
+#define EFX_VER_FLAG(_f) \
+ (MC_CMD_GET_VERSION_V5_OUT_ ## _f ## _PRESENT_LBN)
+
+static void efx_devlink_info_running_v2(struct efx_nic *efx,
+ struct devlink_info_req *req,
+ unsigned int flags, efx_dword_t *outbuf)
+{
+ char buf[EFX_MAX_VERSION_INFO_LEN];
+ union {
+ const __le32 *dwords;
+ const __le16 *words;
+ const char *str;
+ } ver;
+ struct rtc_time build_date;
+ unsigned int build_id;
+ size_t offset;
+ __maybe_unused u64 tstamp;
+
+ if (flags & BIT(EFX_VER_FLAG(BOARD_EXT_INFO))) {
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%s",
+ MCDI_PTR(outbuf, GET_VERSION_V2_OUT_BOARD_NAME));
+ devlink_info_version_fixed_put(req,
+ DEVLINK_INFO_VERSION_GENERIC_BOARD_ID,
+ buf);
+
+ /* Favour full board version if present (in V5 or later) */
+ if (~flags & BIT(EFX_VER_FLAG(BOARD_VERSION))) {
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u",
+ MCDI_DWORD(outbuf,
+ GET_VERSION_V2_OUT_BOARD_REVISION));
+ devlink_info_version_fixed_put(req,
+ DEVLINK_INFO_VERSION_GENERIC_BOARD_REV,
+ buf);
+ }
+
+ ver.str = MCDI_PTR(outbuf, GET_VERSION_V2_OUT_BOARD_SERIAL);
+ if (ver.str[0])
+ devlink_info_board_serial_number_put(req, ver.str);
+ }
+
+ if (flags & BIT(EFX_VER_FLAG(FPGA_EXT_INFO))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V2_OUT_FPGA_VERSION);
+ offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u_%c%u",
+ le32_to_cpu(ver.dwords[0]),
+ 'A' + le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]));
+
+ ver.str = MCDI_PTR(outbuf, GET_VERSION_V2_OUT_FPGA_EXTRA);
+ if (ver.str[0])
+ snprintf(&buf[offset], EFX_MAX_VERSION_INFO_LEN - offset,
+ " (%s)", ver.str);
+
+ devlink_info_version_running_put(req,
+ EFX_DEVLINK_INFO_VERSION_FPGA_REV,
+ buf);
+ }
+
+ if (flags & BIT(EFX_VER_FLAG(CMC_EXT_INFO))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V2_OUT_CMCFW_VERSION);
+ offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
+ le32_to_cpu(ver.dwords[0]),
+ le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]),
+ le32_to_cpu(ver.dwords[3]));
+
+#ifdef CONFIG_RTC_LIB
+ tstamp = MCDI_QWORD(outbuf,
+ GET_VERSION_V2_OUT_CMCFW_BUILD_DATE);
+ if (tstamp) {
+ rtc_time64_to_tm(tstamp, &build_date);
+ snprintf(&buf[offset], EFX_MAX_VERSION_INFO_LEN - offset,
+ " (%ptRd)", &build_date);
+ }
+#endif
+
+ devlink_info_version_running_put(req,
+ EFX_DEVLINK_INFO_VERSION_FW_MGMT_CMC,
+ buf);
+ }
+
+ ver.words = (__le16 *)MCDI_PTR(outbuf, GET_VERSION_V2_OUT_VERSION);
+ offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
+ le16_to_cpu(ver.words[0]), le16_to_cpu(ver.words[1]),
+ le16_to_cpu(ver.words[2]), le16_to_cpu(ver.words[3]));
+ if (flags & BIT(EFX_VER_FLAG(MCFW_EXT_INFO))) {
+ build_id = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_MCFW_BUILD_ID);
+ snprintf(&buf[offset], EFX_MAX_VERSION_INFO_LEN - offset,
+ " (%x) %s", build_id,
+ MCDI_PTR(outbuf, GET_VERSION_V2_OUT_MCFW_BUILD_NAME));
+ }
+ devlink_info_version_running_put(req,
+ DEVLINK_INFO_VERSION_GENERIC_FW_MGMT,
+ buf);
+
+ if (flags & BIT(EFX_VER_FLAG(SUCFW_EXT_INFO))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V2_OUT_SUCFW_VERSION);
+#ifdef CONFIG_RTC_LIB
+ tstamp = MCDI_QWORD(outbuf,
+ GET_VERSION_V2_OUT_SUCFW_BUILD_DATE);
+ rtc_time64_to_tm(tstamp, &build_date);
+#else
+ memset(&build_date, 0, sizeof(build_date)
+#endif
+ build_id = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_SUCFW_CHIP_ID);
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN,
+ "%u.%u.%u.%u type %x (%ptRd)",
+ le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]), le32_to_cpu(ver.dwords[3]),
+ build_id, &build_date);
+
+ devlink_info_version_running_put(req,
+ EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC,
+ buf);
+ }
+}
+
+static void efx_devlink_info_running_v3(struct efx_nic *efx,
+ struct devlink_info_req *req,
+ unsigned int flags, efx_dword_t *outbuf)
+{
+ char buf[EFX_MAX_VERSION_INFO_LEN];
+ union {
+ const __le32 *dwords;
+ const __le16 *words;
+ const char *str;
+ } ver;
+
+ if (flags & BIT(EFX_VER_FLAG(DATAPATH_HW_VERSION))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V3_OUT_DATAPATH_HW_VERSION);
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u",
+ le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]));
+
+ devlink_info_version_running_put(req,
+ EFX_DEVLINK_INFO_VERSION_DATAPATH_HW,
+ buf);
+ }
+
+ if (flags & BIT(EFX_VER_FLAG(DATAPATH_FW_VERSION))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V3_OUT_DATAPATH_FW_VERSION);
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u",
+ le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]));
+
+ devlink_info_version_running_put(req,
+ EFX_DEVLINK_INFO_VERSION_DATAPATH_FW,
+ buf);
+ }
+}
+
+static void efx_devlink_info_running_v4(struct efx_nic *efx,
+ struct devlink_info_req *req,
+ unsigned int flags, efx_dword_t *outbuf)
+{
+ char buf[EFX_MAX_VERSION_INFO_LEN];
+ union {
+ const __le32 *dwords;
+ const __le16 *words;
+ const char *str;
+ } ver;
+
+ if (flags & BIT(EFX_VER_FLAG(SOC_BOOT_VERSION))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V4_OUT_SOC_BOOT_VERSION);
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
+ le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]),
+ le32_to_cpu(ver.dwords[3]));
+
+ devlink_info_version_running_put(req,
+ EFX_DEVLINK_INFO_VERSION_SOC_BOOT,
+ buf);
+ }
+
+ if (flags & BIT(EFX_VER_FLAG(SOC_UBOOT_VERSION))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V4_OUT_SOC_UBOOT_VERSION);
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
+ le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]),
+ le32_to_cpu(ver.dwords[3]));
+
+ devlink_info_version_running_put(req,
+ EFX_DEVLINK_INFO_VERSION_SOC_UBOOT,
+ buf);
+ }
+
+ if (flags & BIT(EFX_VER_FLAG(SOC_MAIN_ROOTFS_VERSION))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V4_OUT_SOC_MAIN_ROOTFS_VERSION);
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
+ le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]),
+ le32_to_cpu(ver.dwords[3]));
+
+ devlink_info_version_running_put(req,
+ EFX_DEVLINK_INFO_VERSION_SOC_MAIN,
+ buf);
+ }
+
+ if (flags & BIT(EFX_VER_FLAG(SOC_RECOVERY_BUILDROOT_VERSION))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V4_OUT_SOC_RECOVERY_BUILDROOT_VERSION);
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
+ le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]),
+ le32_to_cpu(ver.dwords[3]));
+
+ devlink_info_version_running_put(req,
+ EFX_DEVLINK_INFO_VERSION_SOC_RECOVERY,
+ buf);
+ }
+
+ if (flags & BIT(EFX_VER_FLAG(SUCFW_VERSION)) &&
+ ~flags & BIT(EFX_VER_FLAG(SUCFW_EXT_INFO))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V4_OUT_SUCFW_VERSION);
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
+ le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]),
+ le32_to_cpu(ver.dwords[3]));
+
+ devlink_info_version_running_put(req,
+ EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC,
+ buf);
+ }
+}
+
+static void efx_devlink_info_running_v5(struct efx_nic *efx,
+ struct devlink_info_req *req,
+ unsigned int flags, efx_dword_t *outbuf)
+{
+ char buf[EFX_MAX_VERSION_INFO_LEN];
+ union {
+ const __le32 *dwords;
+ const __le16 *words;
+ const char *str;
+ } ver;
+
+ if (flags & BIT(EFX_VER_FLAG(BOARD_VERSION))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V5_OUT_BOARD_VERSION);
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
+ le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]),
+ le32_to_cpu(ver.dwords[3]));
+
+ devlink_info_version_running_put(req,
+ DEVLINK_INFO_VERSION_GENERIC_BOARD_REV,
+ buf);
+ }
+
+ if (flags & BIT(EFX_VER_FLAG(BUNDLE_VERSION))) {
+ ver.dwords = (__le32 *)MCDI_PTR(outbuf,
+ GET_VERSION_V5_OUT_BUNDLE_VERSION);
+
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
+ le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
+ le32_to_cpu(ver.dwords[2]),
+ le32_to_cpu(ver.dwords[3]));
+
+ devlink_info_version_running_put(req,
+ DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID,
+ buf);
+ }
+}
+
+static int efx_devlink_info_running_versions(struct efx_nic *efx,
+ struct devlink_info_req *req)
+{
+ MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_VERSION_V5_OUT_LEN);
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_VERSION_EXT_IN_LEN);
+ char buf[EFX_MAX_VERSION_INFO_LEN];
+ union {
+ const __le32 *dwords;
+ const __le16 *words;
+ const char *str;
+ } ver;
+ size_t outlength;
+ unsigned int flags;
+ int rc;
+
+ rc = efx_mcdi_rpc(efx, MC_CMD_GET_VERSION, inbuf, sizeof(inbuf),
+ outbuf, sizeof(outbuf), &outlength);
+ if (rc || outlength < MC_CMD_GET_VERSION_OUT_LEN) {
+ netif_err(efx, drv, efx->net_dev,
+ "mcdi MC_CMD_GET_VERSION failed\n");
+ return rc;
+ }
+
+ /* Handle previous output */
+ if (outlength < MC_CMD_GET_VERSION_V2_OUT_LEN) {
+ ver.words = (__le16 *)MCDI_PTR(outbuf,
+ GET_VERSION_EXT_OUT_VERSION);
+ snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
+ le16_to_cpu(ver.words[0]),
+ le16_to_cpu(ver.words[1]),
+ le16_to_cpu(ver.words[2]),
+ le16_to_cpu(ver.words[3]));
+
+ devlink_info_version_running_put(req,
+ DEVLINK_INFO_VERSION_GENERIC_FW_MGMT,
+ buf);
+ return 0;
+ }
+
+ /* Handle V2 additions */
+ flags = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_FLAGS);
+ efx_devlink_info_running_v2(efx, req, flags, outbuf);
+
+ if (outlength < MC_CMD_GET_VERSION_V3_OUT_LEN)
+ return 0;
+
+ /* Handle V3 additions */
+ efx_devlink_info_running_v3(efx, req, flags, outbuf);
+
+ if (outlength < MC_CMD_GET_VERSION_V4_OUT_LEN)
+ return 0;
+
+ /* Handle V4 additions */
+ efx_devlink_info_running_v4(efx, req, flags, outbuf);
+
+ if (outlength < MC_CMD_GET_VERSION_V5_OUT_LEN)
+ return 0;
+
+ /* Handle V5 additions */
+ efx_devlink_info_running_v5(efx, req, flags, outbuf);
+
+ return 0;
+}
+
+#define EFX_MAX_SERIALNUM_LEN (ETH_ALEN * 2 + 1)
+
+static int efx_devlink_info_board_cfg(struct efx_nic *efx,
+ struct devlink_info_req *req)
+{
+ char sn[EFX_MAX_SERIALNUM_LEN];
+ u8 mac_address[ETH_ALEN];
+ int rc;
+
+ rc = efx_mcdi_get_board_cfg(efx, (u8 *)mac_address, NULL, NULL);
+ if (!rc) {
+ snprintf(sn, EFX_MAX_SERIALNUM_LEN, "%pm", mac_address);
+ devlink_info_serial_number_put(req, sn);
+ }
+ return rc;
+}
+
+static int efx_devlink_info_get(struct devlink *devlink,
+ struct devlink_info_req *req,
+ struct netlink_ext_ack *extack)
+{
+ struct efx_devlink *devlink_private = devlink_priv(devlink);
+ struct efx_nic *efx = devlink_private->efx;
+ int rc;
+
+ /* Several different MCDI commands are used. We report first error
+ * through extack returning at that point. Specific error
+ * information via system messages.
+ */
+ rc = efx_devlink_info_board_cfg(efx, req);
+ if (rc) {
+ NL_SET_ERR_MSG_MOD(extack, "Getting board info failed");
+ return rc;
+ }
+ rc = efx_devlink_info_stored_versions(efx, req);
+ if (rc) {
+ NL_SET_ERR_MSG_MOD(extack, "Getting stored versions failed");
+ return rc;
+ }
+ rc = efx_devlink_info_running_versions(efx, req);
+ if (rc) {
+ NL_SET_ERR_MSG_MOD(extack, "Getting running versions failed");
+ return rc;
+ }
+
+ return 0;
+}
+
static const struct devlink_ops sfc_devlink_ops = {
+ .info_get = efx_devlink_info_get,
};
void efx_fini_devlink_lock(struct efx_nic *efx)