From 52d5244096017bbd11164479116baceaede342b0 Mon Sep 17 00:00:00 2001 From: James Smart Date: Tue, 24 May 2011 11:42:45 -0400 Subject: [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 Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_attr.c | 33 ++++++++++++++++++++++----------- 1 file changed, 22 insertions(+), 11 deletions(-) (limited to 'drivers/scsi/lpfc/lpfc_attr.c') diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 6ecd6daffc15..135a53baa735 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -755,18 +755,18 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr, } /** - * 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 @@ lpfc_sli4_fw_dump_request(struct lpfc_hba *phba) 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 @@ lpfc_sli4_fw_dump_request(struct lpfc_hba *phba) 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 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, 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; -- cgit v1.2.3