[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>
This commit is contained in:
parent
912e3acde6
commit
52d5244096
5 changed files with 259 additions and 11 deletions
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@ -755,18 +755,18 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
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}
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/**
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* lpfc_sli4_fw_dump_request - Request firmware to perform a firmware dump
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* lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc
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* @phba: lpfc_hba pointer.
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*
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* Description:
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* Request SLI4 interface type-2 device to perform a dump of firmware dump
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* object into it's /dbg directory of the flash file system.
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* Request SLI4 interface type-2 device to perform a physical register set
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* access.
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*
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* Returns:
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* zero for success
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**/
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static ssize_t
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lpfc_sli4_fw_dump_request(struct lpfc_hba *phba)
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lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
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{
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struct completion online_compl;
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uint32_t reg_val;
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@ -776,6 +776,11 @@ lpfc_sli4_fw_dump_request(struct lpfc_hba *phba)
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if (!phba->cfg_enable_hba_reset)
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return -EIO;
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if ((phba->sli_rev < LPFC_SLI_REV4) ||
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(bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
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LPFC_SLI_INTF_IF_TYPE_2))
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return -EPERM;
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status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
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if (status != 0)
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@ -786,7 +791,14 @@ lpfc_sli4_fw_dump_request(struct lpfc_hba *phba)
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reg_val = readl(phba->sli4_hba.conf_regs_memmap_p +
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LPFC_CTL_PDEV_CTL_OFFSET);
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if (opcode == LPFC_FW_DUMP)
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reg_val |= LPFC_FW_DUMP_REQUEST;
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else if (opcode == LPFC_FW_RESET)
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reg_val |= LPFC_CTL_PDEV_CTL_FRST;
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else if (opcode == LPFC_DV_RESET)
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reg_val |= LPFC_CTL_PDEV_CTL_DRST;
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writel(reg_val, phba->sli4_hba.conf_regs_memmap_p +
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LPFC_CTL_PDEV_CTL_OFFSET);
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/* flush */
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@ -904,12 +916,11 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
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else
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status = lpfc_do_offline(phba, LPFC_EVT_KILL);
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else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0)
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if ((phba->sli_rev < LPFC_SLI_REV4) ||
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(bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
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LPFC_SLI_INTF_IF_TYPE_2))
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return -EPERM;
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else
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status = lpfc_sli4_fw_dump_request(phba);
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status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP);
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else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0)
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status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET);
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else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0)
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status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET);
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else
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return -EINVAL;
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@ -430,5 +430,6 @@ void lpfc_cleanup_wt_rrqs(struct lpfc_hba *);
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void lpfc_cleanup_vports_rrqs(struct lpfc_vport *, struct lpfc_nodelist *);
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struct lpfc_node_rrq *lpfc_get_active_rrq(struct lpfc_vport *, uint16_t,
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uint32_t);
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int lpfc_wr_object(struct lpfc_hba *, struct list_head *, uint32_t, uint32_t *);
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/* functions to support SR-IOV */
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int lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *, int);
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@ -821,6 +821,7 @@ struct mbox_header {
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#define LPFC_MBOX_OPCODE_MQ_CREATE_EXT 0x5A
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#define LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG 0xA0
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#define LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG 0xA4
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#define LPFC_MBOX_OPCODE_WRITE_OBJECT 0xAC
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#define LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS 0xB5
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/* FCoE Opcodes */
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@ -2372,6 +2373,29 @@ struct lpfc_mbx_get_prof_cfg {
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#define MB_CEQ_STATUS_QUEUE_FLUSHING 0x4
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#define MB_CQE_STATUS_DMA_FAILED 0x5
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#define LPFC_MBX_WR_CONFIG_MAX_BDE 8
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struct lpfc_mbx_wr_object {
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struct mbox_header header;
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union {
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struct {
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uint32_t word4;
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#define lpfc_wr_object_eof_SHIFT 31
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#define lpfc_wr_object_eof_MASK 0x00000001
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#define lpfc_wr_object_eof_WORD word4
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#define lpfc_wr_object_write_length_SHIFT 0
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#define lpfc_wr_object_write_length_MASK 0x00FFFFFF
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#define lpfc_wr_object_write_length_WORD word4
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uint32_t write_offset;
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uint32_t object_name[26];
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uint32_t bde_count;
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struct ulp_bde64 bde[LPFC_MBX_WR_CONFIG_MAX_BDE];
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} request;
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struct {
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uint32_t actual_write_length;
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} response;
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} u;
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};
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/* mailbox queue entry structure */
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struct lpfc_mqe {
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uint32_t word0;
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@ -2421,6 +2445,7 @@ struct lpfc_mqe {
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struct lpfc_mbx_get_func_cfg get_func_cfg;
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struct lpfc_mbx_get_prof_cfg get_prof_cfg;
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struct lpfc_mbx_nop nop;
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struct lpfc_mbx_wr_object wr_object;
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} un;
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};
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@ -2966,9 +2991,28 @@ union lpfc_wqe {
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struct gen_req64_wqe gen_req;
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};
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#define LPFC_GROUP_OJECT_MAGIC_NUM 0xfeaa0001
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#define LPFC_FILE_TYPE_GROUP 0xf7
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#define LPFC_FILE_ID_GROUP 0xa2
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struct lpfc_grp_hdr {
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uint32_t size;
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uint32_t magic_number;
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uint32_t word2;
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#define lpfc_grp_hdr_file_type_SHIFT 24
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#define lpfc_grp_hdr_file_type_MASK 0x000000FF
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#define lpfc_grp_hdr_file_type_WORD word2
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#define lpfc_grp_hdr_id_SHIFT 16
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#define lpfc_grp_hdr_id_MASK 0x000000FF
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#define lpfc_grp_hdr_id_WORD word2
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uint8_t rev_name[128];
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};
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#define FCP_COMMAND 0x0
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#define FCP_COMMAND_DATA_OUT 0x1
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#define ELS_COMMAND_NON_FIP 0xC
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#define ELS_COMMAND_FIP 0xD
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#define OTHER_COMMAND 0x8
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#define LPFC_FW_DUMP 1
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#define LPFC_FW_RESET 2
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#define LPFC_DV_RESET 3
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@ -30,6 +30,7 @@
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#include <linux/ctype.h>
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#include <linux/aer.h>
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#include <linux/slab.h>
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#include <linux/firmware.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_device.h>
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@ -8774,6 +8775,97 @@ lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
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return 0;
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}
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/**
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* lpfc_write_firmware - attempt to write a firmware image to the port
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* @phba: pointer to lpfc hba data structure.
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* @fw: pointer to firmware image returned from request_firmware.
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*
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* returns the number of bytes written if write is successful.
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* returns a negative error value if there were errors.
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* returns 0 if firmware matches currently active firmware on port.
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**/
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int
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lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
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{
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char fwrev[32];
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struct lpfc_grp_hdr *image = (struct lpfc_grp_hdr *)fw->data;
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struct list_head dma_buffer_list;
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int i, rc = 0;
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struct lpfc_dmabuf *dmabuf, *next;
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uint32_t offset = 0, temp_offset = 0;
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INIT_LIST_HEAD(&dma_buffer_list);
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if ((image->magic_number != LPFC_GROUP_OJECT_MAGIC_NUM) ||
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(bf_get(lpfc_grp_hdr_file_type, image) != LPFC_FILE_TYPE_GROUP) ||
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(bf_get(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
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(image->size != fw->size)) {
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"3022 Invalid FW image found. "
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"Magic:%d Type:%x ID:%x\n",
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image->magic_number,
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bf_get(lpfc_grp_hdr_file_type, image),
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bf_get(lpfc_grp_hdr_id, image));
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return -EINVAL;
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}
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lpfc_decode_firmware_rev(phba, fwrev, 1);
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if (strncmp(fwrev, image->rev_name, strnlen(fwrev, 16))) {
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"3023 Updating Firmware. Current Version:%s "
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"New Version:%s\n",
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fwrev, image->rev_name);
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for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
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dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
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GFP_KERNEL);
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if (!dmabuf) {
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rc = -ENOMEM;
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goto out;
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}
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dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
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SLI4_PAGE_SIZE,
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&dmabuf->phys,
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GFP_KERNEL);
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if (!dmabuf->virt) {
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kfree(dmabuf);
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rc = -ENOMEM;
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goto out;
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}
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list_add_tail(&dmabuf->list, &dma_buffer_list);
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}
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while (offset < fw->size) {
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temp_offset = offset;
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list_for_each_entry(dmabuf, &dma_buffer_list, list) {
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if (offset + SLI4_PAGE_SIZE > fw->size) {
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temp_offset += fw->size - offset;
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memcpy(dmabuf->virt,
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fw->data + temp_offset,
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fw->size - offset);
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break;
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}
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temp_offset += SLI4_PAGE_SIZE;
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memcpy(dmabuf->virt, fw->data + temp_offset,
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SLI4_PAGE_SIZE);
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}
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rc = lpfc_wr_object(phba, &dma_buffer_list,
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(fw->size - offset), &offset);
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if (rc) {
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"3024 Firmware update failed. "
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"%d\n", rc);
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goto out;
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}
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}
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rc = offset;
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}
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out:
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list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
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list_del(&dmabuf->list);
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dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
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dmabuf->virt, dmabuf->phys);
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kfree(dmabuf);
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}
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return rc;
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}
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/**
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* lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
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* @pdev: pointer to PCI device
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@ -8803,6 +8895,8 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
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int mcnt;
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int adjusted_fcp_eq_count;
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int fcp_qidx;
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const struct firmware *fw;
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uint8_t file_name[16];
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/* Allocate memory for HBA structure */
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phba = lpfc_hba_alloc(pdev);
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@ -8957,6 +9051,14 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
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/* Perform post initialization setup */
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lpfc_post_init_setup(phba);
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/* check for firmware upgrade or downgrade */
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snprintf(file_name, 16, "%s.grp", phba->ModelName);
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error = request_firmware(&fw, file_name, &phba->pcidev->dev);
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if (!error) {
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lpfc_write_firmware(phba, fw);
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release_firmware(fw);
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}
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/* Check if there are static vports to be created. */
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lpfc_create_static_vport(phba);
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@ -13499,6 +13499,96 @@ out:
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return;
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}
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/**
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* lpfc_wr_object - write an object to the firmware
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* @phba: HBA structure that indicates port to create a queue on.
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* @dmabuf_list: list of dmabufs to write to the port.
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* @size: the total byte value of the objects to write to the port.
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* @offset: the current offset to be used to start the transfer.
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*
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* This routine will create a wr_object mailbox command to send to the port.
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* the mailbox command will be constructed using the dma buffers described in
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* @dmabuf_list to create a list of BDEs. This routine will fill in as many
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* BDEs that the imbedded mailbox can support. The @offset variable will be
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* used to indicate the starting offset of the transfer and will also return
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* the offset after the write object mailbox has completed. @size is used to
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* determine the end of the object and whether the eof bit should be set.
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*
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* Return 0 is successful and offset will contain the the new offset to use
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* for the next write.
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* Return negative value for error cases.
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**/
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int
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lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list,
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uint32_t size, uint32_t *offset)
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{
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struct lpfc_mbx_wr_object *wr_object;
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LPFC_MBOXQ_t *mbox;
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int rc = 0, i = 0;
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uint32_t shdr_status, shdr_add_status;
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uint32_t mbox_tmo;
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union lpfc_sli4_cfg_shdr *shdr;
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struct lpfc_dmabuf *dmabuf;
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uint32_t written = 0;
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mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
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if (!mbox)
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return -ENOMEM;
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lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
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LPFC_MBOX_OPCODE_WRITE_OBJECT,
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sizeof(struct lpfc_mbx_wr_object) -
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sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED);
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wr_object = (struct lpfc_mbx_wr_object *)&mbox->u.mqe.un.wr_object;
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wr_object->u.request.write_offset = *offset;
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sprintf((uint8_t *)wr_object->u.request.object_name, "/");
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wr_object->u.request.object_name[0] =
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cpu_to_le32(wr_object->u.request.object_name[0]);
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bf_set(lpfc_wr_object_eof, &wr_object->u.request, 0);
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list_for_each_entry(dmabuf, dmabuf_list, list) {
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if (i >= LPFC_MBX_WR_CONFIG_MAX_BDE || written >= size)
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break;
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wr_object->u.request.bde[i].addrLow = putPaddrLow(dmabuf->phys);
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wr_object->u.request.bde[i].addrHigh =
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putPaddrHigh(dmabuf->phys);
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if (written + SLI4_PAGE_SIZE >= size) {
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wr_object->u.request.bde[i].tus.f.bdeSize =
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(size - written);
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written += (size - written);
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bf_set(lpfc_wr_object_eof, &wr_object->u.request, 1);
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} else {
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wr_object->u.request.bde[i].tus.f.bdeSize =
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SLI4_PAGE_SIZE;
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written += SLI4_PAGE_SIZE;
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}
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i++;
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}
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wr_object->u.request.bde_count = i;
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bf_set(lpfc_wr_object_write_length, &wr_object->u.request, written);
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if (!phba->sli4_hba.intr_enable)
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rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
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else {
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mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
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rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
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}
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/* The IOCTL status is embedded in the mailbox subheader. */
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shdr = (union lpfc_sli4_cfg_shdr *) &wr_object->header.cfg_shdr;
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shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
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shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
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if (rc != MBX_TIMEOUT)
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mempool_free(mbox, phba->mbox_mem_pool);
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if (shdr_status || shdr_add_status || rc) {
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"3025 Write Object mailbox failed with "
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"status x%x add_status x%x, mbx status x%x\n",
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shdr_status, shdr_add_status, rc);
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rc = -ENXIO;
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} else
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*offset += wr_object->u.response.actual_write_length;
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return rc;
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}
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/**
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* lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands.
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* @vport: pointer to vport data structure.
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