[SCSI] lpfc 8.3.24: Extended hardware support and support dump images
Extended hardware support and support dump images:
- Make the size to be MAILBOX_SYSFS_MAX (4096) so that it allows the maximum
sysfs binary access interface possible.
- Add ids and model names for new hardware
- Add capability of inducing SLI4 firmware dump obj file
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 8dcbf8f..44816be4 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -755,6 +755,61 @@
}
/**
+ * lpfc_sli4_fw_dump_request - Request firmware to perform a firmware dump
+ * @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.
+ *
+ * Returns:
+ * zero for success
+ **/
+static ssize_t
+lpfc_sli4_fw_dump_request(struct lpfc_hba *phba)
+{
+ struct completion online_compl;
+ uint32_t reg_val;
+ int status = 0;
+ int rc;
+
+ if (!phba->cfg_enable_hba_reset)
+ return -EIO;
+
+ status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
+
+ if (status != 0)
+ return status;
+
+ /* wait for the device to be quiesced before firmware reset */
+ msleep(100);
+
+ reg_val = readl(phba->sli4_hba.conf_regs_memmap_p +
+ LPFC_CTL_PDEV_CTL_OFFSET);
+ reg_val |= LPFC_FW_DUMP_REQUEST;
+ writel(reg_val, phba->sli4_hba.conf_regs_memmap_p +
+ LPFC_CTL_PDEV_CTL_OFFSET);
+ /* flush */
+ readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET);
+
+ /* delay driver action following IF_TYPE_2 reset */
+ msleep(100);
+
+ init_completion(&online_compl);
+ rc = lpfc_workq_post_event(phba, &status, &online_compl,
+ LPFC_EVT_ONLINE);
+ if (rc == 0)
+ return -ENOMEM;
+
+ wait_for_completion(&online_compl);
+
+ if (status != 0)
+ return -EIO;
+
+ return 0;
+}
+
+/**
* lpfc_nport_evt_cnt_show - Return the number of nport events
* @dev: class device that is converted into a Scsi_host.
* @attr: device attribute, not used.
@@ -848,6 +903,13 @@
return -EINVAL;
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);
else
return -EINVAL;
@@ -3961,7 +4023,7 @@
.name = "mbox",
.mode = S_IRUSR | S_IWUSR,
},
- .size = MAILBOX_CMD_SIZE,
+ .size = MAILBOX_SYSFS_MAX,
.read = sysfs_mbox_read,
.write = sysfs_mbox_write,
};