[SCSI] lpfc 8.3.24: Add request-firmware support
Add request-firmware support:
- Add support for request_firmware interface for INTF2 SLI4 ports.
- Add ability to reset SLI4 INTF2 ports.
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 6ecd6da..135a53b 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -755,18 +755,18 @@
}
/**
- * lpfc_sli4_fw_dump_request - Request firmware to perform a firmware dump
+ * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
* @phba: lpfc_hba pointer.
*
* Description:
- * Request SLI4 interface type-2 device to perform a dump of firmware dump
- * object into it's /dbg directory of the flash file system.
+ * Request SLI4 interface type-2 device to perform a physical register set
+ * access.
*
* Returns:
* zero for success
**/
static ssize_t
-lpfc_sli4_fw_dump_request(struct lpfc_hba *phba)
+lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
{
struct completion online_compl;
uint32_t reg_val;
@@ -776,6 +776,11 @@
if (!phba->cfg_enable_hba_reset)
return -EIO;
+ if ((phba->sli_rev < LPFC_SLI_REV4) ||
+ (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+ LPFC_SLI_INTF_IF_TYPE_2))
+ return -EPERM;
+
status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
if (status != 0)
@@ -786,7 +791,14 @@
reg_val = readl(phba->sli4_hba.conf_regs_memmap_p +
LPFC_CTL_PDEV_CTL_OFFSET);
- reg_val |= LPFC_FW_DUMP_REQUEST;
+
+ if (opcode == LPFC_FW_DUMP)
+ reg_val |= LPFC_FW_DUMP_REQUEST;
+ else if (opcode == LPFC_FW_RESET)
+ reg_val |= LPFC_CTL_PDEV_CTL_FRST;
+ else if (opcode == LPFC_DV_RESET)
+ reg_val |= LPFC_CTL_PDEV_CTL_DRST;
+
writel(reg_val, phba->sli4_hba.conf_regs_memmap_p +
LPFC_CTL_PDEV_CTL_OFFSET);
/* flush */
@@ -904,12 +916,11 @@
else
status = lpfc_do_offline(phba, LPFC_EVT_KILL);
else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0)
- if ((phba->sli_rev < LPFC_SLI_REV4) ||
- (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
- LPFC_SLI_INTF_IF_TYPE_2))
- return -EPERM;
- else
- status = lpfc_sli4_fw_dump_request(phba);
+ status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP);
+ else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0)
+ status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET);
+ else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0)
+ status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET);
else
return -EINVAL;