From 09ff701a177b116c6c15b6e501e58fbfb306b424 Mon Sep 17 00:00:00 2001 From: Sarang Radke Date: Fri, 19 Mar 2010 17:03:59 -0700 Subject: [SCSI] qla2xxx: Add APEX support. Allows priority setting for FCP_CMNDs. Signed-off-by: Giridhar Malavali Signed-off-by: James Bottomley diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index c20292f..3c3a86c 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -35,6 +35,166 @@ done: return sp; } +int +qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag) +{ + int i, ret, num_valid; + uint8_t *bcode; + struct qla_fcp_prio_entry *pri_entry; + + ret = 1; + num_valid = 0; + bcode = (uint8_t *)pri_cfg; + + if (bcode[0x0] != 'H' || bcode[0x1] != 'Q' || bcode[0x2] != 'O' || + bcode[0x3] != 'S') { + return 0; + } + if (flag != 1) + return ret; + + pri_entry = &pri_cfg->entry[0]; + for (i = 0; i < pri_cfg->num_entries; i++) { + if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID) + num_valid++; + pri_entry++; + } + + if (num_valid == 0) + ret = 0; + + return ret; +} + +static int +qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job) +{ + struct Scsi_Host *host = bsg_job->shost; + scsi_qla_host_t *vha = shost_priv(host); + struct qla_hw_data *ha = vha->hw; + int ret = 0; + uint32_t len; + uint32_t oper; + + bsg_job->reply->reply_payload_rcv_len = 0; + + if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || + test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || + test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { + ret = -EBUSY; + goto exit_fcp_prio_cfg; + } + + /* Get the sub command */ + oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; + + /* Only set config is allowed if config memory is not allocated */ + if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) { + ret = -EINVAL; + goto exit_fcp_prio_cfg; + } + switch (oper) { + case QLFC_FCP_PRIO_DISABLE: + if (ha->flags.fcp_prio_enabled) { + ha->flags.fcp_prio_enabled = 0; + ha->fcp_prio_cfg->attributes &= + ~FCP_PRIO_ATTR_ENABLE; + qla24xx_update_all_fcp_prio(vha); + bsg_job->reply->result = DID_OK; + } else { + ret = -EINVAL; + bsg_job->reply->result = (DID_ERROR << 16); + goto exit_fcp_prio_cfg; + } + break; + + case QLFC_FCP_PRIO_ENABLE: + if (!ha->flags.fcp_prio_enabled) { + if (ha->fcp_prio_cfg) { + ha->flags.fcp_prio_enabled = 1; + ha->fcp_prio_cfg->attributes |= + FCP_PRIO_ATTR_ENABLE; + qla24xx_update_all_fcp_prio(vha); + bsg_job->reply->result = DID_OK; + } else { + ret = -EINVAL; + bsg_job->reply->result = (DID_ERROR << 16); + goto exit_fcp_prio_cfg; + } + } + break; + + case QLFC_FCP_PRIO_GET_CONFIG: + len = bsg_job->reply_payload.payload_len; + if (!len || len > FCP_PRIO_CFG_SIZE) { + ret = -EINVAL; + bsg_job->reply->result = (DID_ERROR << 16); + goto exit_fcp_prio_cfg; + } + + bsg_job->reply->result = DID_OK; + bsg_job->reply->reply_payload_rcv_len = + sg_copy_from_buffer( + bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg, + len); + + break; + + case QLFC_FCP_PRIO_SET_CONFIG: + len = bsg_job->request_payload.payload_len; + if (!len || len > FCP_PRIO_CFG_SIZE) { + bsg_job->reply->result = (DID_ERROR << 16); + ret = -EINVAL; + goto exit_fcp_prio_cfg; + } + + if (!ha->fcp_prio_cfg) { + ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE); + if (!ha->fcp_prio_cfg) { + qla_printk(KERN_WARNING, ha, + "Unable to allocate memory " + "for fcp prio config data (%x).\n", + FCP_PRIO_CFG_SIZE); + bsg_job->reply->result = (DID_ERROR << 16); + ret = -ENOMEM; + goto exit_fcp_prio_cfg; + } + } + + memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE); + sg_copy_to_buffer(bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg, + FCP_PRIO_CFG_SIZE); + + /* validate fcp priority data */ + if (!qla24xx_fcp_prio_cfg_valid( + (struct qla_fcp_prio_cfg *) + ha->fcp_prio_cfg, 1)) { + bsg_job->reply->result = (DID_ERROR << 16); + ret = -EINVAL; + /* If buffer was invalidatic int + * fcp_prio_cfg is of no use + */ + vfree(ha->fcp_prio_cfg); + ha->fcp_prio_cfg = NULL; + goto exit_fcp_prio_cfg; + } + + ha->flags.fcp_prio_enabled = 0; + if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE) + ha->flags.fcp_prio_enabled = 1; + qla24xx_update_all_fcp_prio(vha); + bsg_job->reply->result = DID_OK; + break; + default: + ret = -EINVAL; + break; + } +exit_fcp_prio_cfg: + bsg_job->job_done(bsg_job); + return ret; +} static int qla2x00_process_els(struct fc_bsg_job *bsg_job) { @@ -948,6 +1108,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) case QL_VND_IIDMA: return qla24xx_iidma(bsg_job); + case QL_VND_FCP_PRIO_CFG_CMD: + return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job); + default: bsg_job->reply->result = (DID_ERROR << 16); bsg_job->job_done(bsg_job); diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 608397b..c51bd4e 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -1580,6 +1580,8 @@ typedef struct fc_port { uint16_t loop_id; uint16_t old_loop_id; + uint8_t fcp_prio; + uint8_t fabric_port_name[WWN_SIZE]; uint16_t fp_speed; @@ -2296,6 +2298,7 @@ struct qla_hw_data { uint32_t eeh_busy :1; uint32_t cpu_affinity_enabled :1; uint32_t disable_msix_handshake :1; + uint32_t fcp_prio_enabled :1; } flags; /* This spinlock is used to protect "io transactions", you must @@ -2599,6 +2602,7 @@ struct qla_hw_data { uint32_t flt_region_nvram; uint32_t flt_region_npiv_conf; uint32_t flt_region_gold_fw; + uint32_t flt_region_fcp_prio; /* Needed for BEACON */ uint16_t beacon_blink_led; @@ -2627,6 +2631,9 @@ struct qla_hw_data { struct isp_operations *isp_ops; struct workqueue_struct *wq; struct qlfc_fw fw_buf; + + /* FCP_CMND priority support */ + struct qla_fcp_prio_cfg *fcp_prio_cfg; }; /* diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h index 42c5587..a77a247 100644 --- a/drivers/scsi/qla2xxx/qla_fw.h +++ b/drivers/scsi/qla2xxx/qla_fw.h @@ -841,6 +841,8 @@ struct device_reg_24xx { #define FA_HW_EVENT_ENTRY_SIZE 4 #define FA_NPIV_CONF0_ADDR 0x5C000 #define FA_NPIV_CONF1_ADDR 0x5D000 +#define FA_FCP_PRIO0_ADDR 0x10000 +#define FA_FCP_PRIO1_ADDR 0x12000 /* * Flash Error Log Event Codes. @@ -1274,6 +1276,8 @@ struct qla_flt_header { #define FLT_REG_NPIV_CONF_0 0x29 #define FLT_REG_NPIV_CONF_1 0x2a #define FLT_REG_GOLD_FW 0x2f +#define FLT_REG_FCP_PRIO_0 0x87 +#define FLT_REG_FCP_PRIO_1 0x88 struct qla_flt_region { uint32_t code; @@ -1750,6 +1754,61 @@ struct ex_init_cb_81xx { #define FARX_ACCESS_FLASH_CONF_81XX 0x7FFD0000 #define FARX_ACCESS_FLASH_DATA_81XX 0x7F800000 +/* FCP priority config defines *************************************/ +/* operations */ +#define QLFC_FCP_PRIO_DISABLE 0x0 +#define QLFC_FCP_PRIO_ENABLE 0x1 +#define QLFC_FCP_PRIO_GET_CONFIG 0x2 +#define QLFC_FCP_PRIO_SET_CONFIG 0x3 + +struct qla_fcp_prio_entry { + uint16_t flags; /* Describes parameter(s) in FCP */ + /* priority entry that are valid */ +#define FCP_PRIO_ENTRY_VALID 0x1 +#define FCP_PRIO_ENTRY_TAG_VALID 0x2 +#define FCP_PRIO_ENTRY_SPID_VALID 0x4 +#define FCP_PRIO_ENTRY_DPID_VALID 0x8 +#define FCP_PRIO_ENTRY_LUNB_VALID 0x10 +#define FCP_PRIO_ENTRY_LUNE_VALID 0x20 +#define FCP_PRIO_ENTRY_SWWN_VALID 0x40 +#define FCP_PRIO_ENTRY_DWWN_VALID 0x80 + uint8_t tag; /* Priority value */ + uint8_t reserved; /* Reserved for future use */ + uint32_t src_pid; /* Src port id. high order byte */ + /* unused; -1 (wild card) */ + uint32_t dst_pid; /* Src port id. high order byte */ + /* unused; -1 (wild card) */ + uint16_t lun_beg; /* 1st lun num of lun range. */ + /* -1 (wild card) */ + uint16_t lun_end; /* 2nd lun num of lun range. */ + /* -1 (wild card) */ + uint8_t src_wwpn[8]; /* Source WWPN: -1 (wild card) */ + uint8_t dst_wwpn[8]; /* Destination WWPN: -1 (wild card) */ +}; + +struct qla_fcp_prio_cfg { + uint8_t signature[4]; /* "HQOS" signature of config data */ + uint16_t version; /* 1: Initial version */ + uint16_t length; /* config data size in num bytes */ + uint16_t checksum; /* config data bytes checksum */ + uint16_t num_entries; /* Number of entries */ + uint16_t size_of_entry; /* Size of each entry in num bytes */ + uint8_t attributes; /* enable/disable, persistence */ +#define FCP_PRIO_ATTR_DISABLE 0x0 +#define FCP_PRIO_ATTR_ENABLE 0x1 +#define FCP_PRIO_ATTR_PERSIST 0x2 + uint8_t reserved; /* Reserved for future use */ +#define FCP_PRIO_CFG_HDR_SIZE 0x10 + struct qla_fcp_prio_entry entry[1]; /* fcp priority entries */ +#define FCP_PRIO_CFG_ENTRY_SIZE 0x20 +}; + +#define FCP_PRIO_CFG_SIZE (32*1024) /* fcp prio data per port*/ + +/* 25XX Support ****************************************************/ +#define FA_FCP_PRIO0_ADDR_25 0x3C000 +#define FA_FCP_PRIO1_ADDR_25 0x3E000 + /* 81XX Flash locations -- occupies second 2MB region. */ #define FA_BOOT_CODE_ADDR_81 0x80000 #define FA_RISC_CODE_ADDR_81 0xA0000 diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index c1f1736..5efd4c0 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -328,6 +328,9 @@ extern int qla2x00_write_ram_word(scsi_qla_host_t *, uint32_t, uint32_t); extern int qla2x00_get_data_rate(scsi_qla_host_t *); +extern int qla24xx_set_fcp_prio(scsi_qla_host_t *, uint16_t, uint16_t, + uint16_t *); + /* * Global Function Prototypes in qla_isr.c source file. */ @@ -384,6 +387,7 @@ extern int qla2xxx_get_flash_info(scsi_qla_host_t *); extern int qla2xxx_get_vpd_field(scsi_qla_host_t *, char *, char *, size_t); extern void qla2xxx_flash_npiv_conf(scsi_qla_host_t *); +extern int qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *); /* * Global Function Prototypes in qla_dbg.c source file. @@ -430,7 +434,10 @@ extern void qla2x00_init_host_attr(scsi_qla_host_t *); extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *); extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *); extern int qla2x00_loopback_test(scsi_qla_host_t *, struct msg_echo_lb *, uint16_t *); -extern int qla2x00_echo_test(scsi_qla_host_t *, struct msg_echo_lb *, uint16_t *); +extern int qla2x00_echo_test(scsi_qla_host_t *, + struct msg_echo_lb *, uint16_t *); +extern int qla24xx_update_all_fcp_prio(scsi_qla_host_t *); +extern int qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *, uint8_t); /* * Global Function Prototypes in qla_dfs.c source file. diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 4229bb4..e7fe114 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -349,6 +349,12 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha) } } + if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)) { + if (qla24xx_read_fcp_prio_cfg(vha)) + qla_printk(KERN_ERR, ha, + "Unable to read FCP priority data.\n"); + } + return (rval); } @@ -4905,3 +4911,165 @@ qla81xx_update_fw_options(scsi_qla_host_t *vha) ha->fw_options[2] |= BIT_9; qla2x00_set_fw_options(vha, ha->fw_options); } + +/* + * qla24xx_get_fcp_prio + * Gets the fcp cmd priority value for the logged in port. + * Looks for a match of the port descriptors within + * each of the fcp prio config entries. If a match is found, + * the tag (priority) value is returned. + * + * Input: + * ha = adapter block po + * fcport = port structure pointer. + * + * Return: + * non-zero (if found) + * 0 (if not found) + * + * Context: + * Kernel context + */ +uint8_t +qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport) +{ + int i, entries; + uint8_t pid_match, wwn_match; + uint8_t priority; + uint32_t pid1, pid2; + uint64_t wwn1, wwn2; + struct qla_fcp_prio_entry *pri_entry; + struct qla_hw_data *ha = vha->hw; + + if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled) + return 0; + + priority = 0; + entries = ha->fcp_prio_cfg->num_entries; + pri_entry = &ha->fcp_prio_cfg->entry[0]; + + for (i = 0; i < entries; i++) { + pid_match = wwn_match = 0; + + if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) { + pri_entry++; + continue; + } + + /* check source pid for a match */ + if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) { + pid1 = pri_entry->src_pid & INVALID_PORT_ID; + pid2 = vha->d_id.b24 & INVALID_PORT_ID; + if (pid1 == INVALID_PORT_ID) + pid_match++; + else if (pid1 == pid2) + pid_match++; + } + + /* check destination pid for a match */ + if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) { + pid1 = pri_entry->dst_pid & INVALID_PORT_ID; + pid2 = fcport->d_id.b24 & INVALID_PORT_ID; + if (pid1 == INVALID_PORT_ID) + pid_match++; + else if (pid1 == pid2) + pid_match++; + } + + /* check source WWN for a match */ + if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) { + wwn1 = wwn_to_u64(vha->port_name); + wwn2 = wwn_to_u64(pri_entry->src_wwpn); + if (wwn2 == (uint64_t)-1) + wwn_match++; + else if (wwn1 == wwn2) + wwn_match++; + } + + /* check destination WWN for a match */ + if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) { + wwn1 = wwn_to_u64(fcport->port_name); + wwn2 = wwn_to_u64(pri_entry->dst_wwpn); + if (wwn2 == (uint64_t)-1) + wwn_match++; + else if (wwn1 == wwn2) + wwn_match++; + } + + if (pid_match == 2 || wwn_match == 2) { + /* Found a matching entry */ + if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID) + priority = pri_entry->tag; + break; + } + + pri_entry++; + } + + return priority; +} + +/* + * qla24xx_update_fcport_fcp_prio + * Activates fcp priority for the logged in fc port + * + * Input: + * ha = adapter block pointer. + * fcp = port structure pointer. + * + * Return: + * QLA_SUCCESS or QLA_FUNCTION_FAILED + * + * Context: + * Kernel context. + */ +int +qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *ha, fc_port_t *fcport) +{ + int ret; + uint8_t priority; + uint16_t mb[5]; + + if (atomic_read(&fcport->state) == FCS_UNCONFIGURED || + fcport->port_type != FCT_TARGET || + fcport->loop_id == FC_NO_LOOP_ID) + return QLA_FUNCTION_FAILED; + + priority = qla24xx_get_fcp_prio(ha, fcport); + ret = qla24xx_set_fcp_prio(ha, fcport->loop_id, priority, mb); + if (ret == QLA_SUCCESS) + fcport->fcp_prio = priority; + else + DEBUG2(printk(KERN_WARNING + "scsi(%ld): Unable to activate fcp priority, " + " ret=0x%x\n", ha->host_no, ret)); + + return ret; +} + +/* + * qla24xx_update_all_fcp_prio + * Activates fcp priority for all the logged in ports + * + * Input: + * ha = adapter block pointer. + * + * Return: + * QLA_SUCCESS or QLA_FUNCTION_FAILED + * + * Context: + * Kernel context. + */ +int +qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha) +{ + int ret; + fc_port_t *fcport; + + ret = QLA_FUNCTION_FAILED; + /* We need to set priority for all logged in ports */ + list_for_each_entry(fcport, &vha->vp_fcports, list) + ret = qla24xx_update_fcport_fcp_prio(vha, fcport); + + return ret; +} diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 7f3bc45..e9c9f82 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3896,3 +3896,50 @@ qla2x00_get_data_rate(scsi_qla_host_t *vha) return rval; } + +int +qla24xx_set_fcp_prio(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t priority, + uint16_t *mb) +{ + int rval; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + struct qla_hw_data *ha = vha->hw; + + if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha)) + return QLA_FUNCTION_FAILED; + + DEBUG11(printk(KERN_INFO + "%s(%ld): entered.\n", __func__, ha->host_no)); + + mcp->mb[0] = MBC_PORT_PARAMS; + mcp->mb[1] = loop_id; + if (ha->flags.fcp_prio_enabled) + mcp->mb[2] = BIT_1; + else + mcp->mb[2] = BIT_2; + mcp->mb[4] = priority & 0xf; + mcp->mb[9] = vha->vp_idx; + mcp->out_mb = MBX_9|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; + mcp->in_mb = MBX_4|MBX_3|MBX_1|MBX_0; + mcp->tov = 30; + mcp->flags = 0; + rval = qla2x00_mailbox_command(vha, mcp); + if (mb != NULL) { + mb[0] = mcp->mb[0]; + mb[1] = mcp->mb[1]; + mb[3] = mcp->mb[3]; + mb[4] = mcp->mb[4]; + } + + if (rval != QLA_SUCCESS) { + DEBUG2_3_11(printk(KERN_WARNING + "%s(%ld): failed=%x.\n", __func__, + vha->host_no, rval)); + } else { + DEBUG11(printk(KERN_INFO + "%s(%ld): done.\n", __func__, vha->host_no)); + } + + return rval; +} diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index 8b3de4e..f32a4b0 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -648,6 +648,12 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr) const uint32_t def_npiv_conf1[] = { FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR, FA_NPIV_CONF1_ADDR_81 }; + const uint32_t fcp_prio_cfg0[] = + { FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25, + 0 }; + const uint32_t fcp_prio_cfg1[] = + { FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25, + 0 }; uint32_t def; uint16_t *wptr; uint16_t cnt, chksum; @@ -732,6 +738,14 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr) case FLT_REG_GOLD_FW: ha->flt_region_gold_fw = start; break; + case FLT_REG_FCP_PRIO_0: + if (!(PCI_FUNC(ha->pdev->devfn) & 1)) + ha->flt_region_fcp_prio = start; + break; + case FLT_REG_FCP_PRIO_1: + if (PCI_FUNC(ha->pdev->devfn) & 1) + ha->flt_region_fcp_prio = start; + break; } } goto done; @@ -750,12 +764,14 @@ no_flash_data: ha->flt_region_boot = def_boot[def]; ha->flt_region_vpd_nvram = def_vpd_nvram[def]; ha->flt_region_vpd = ha->flags.port0 ? - def_vpd0[def]: def_vpd1[def]; + def_vpd0[def] : def_vpd1[def]; ha->flt_region_nvram = ha->flags.port0 ? - def_nvram0[def]: def_nvram1[def]; + def_nvram0[def] : def_nvram1[def]; ha->flt_region_fdt = def_fdt[def]; ha->flt_region_npiv_conf = ha->flags.port0 ? - def_npiv_conf0[def]: def_npiv_conf1[def]; + def_npiv_conf0[def] : def_npiv_conf1[def]; + ha->flt_region_fcp_prio = ha->flags.port0 ? + fcp_prio_cfg0[def] : fcp_prio_cfg1[def]; done: DEBUG2(qla_printk(KERN_DEBUG, ha, "FLT[%s]: boot=0x%x fw=0x%x " "vpd_nvram=0x%x vpd=0x%x nvram=0x%x fdt=0x%x flt=0x%x " @@ -2722,3 +2738,50 @@ qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size) return 0; } + +int +qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha) +{ + int len, max_len; + uint32_t fcp_prio_addr; + struct qla_hw_data *ha = vha->hw; + + if (!ha->fcp_prio_cfg) { + ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE); + if (!ha->fcp_prio_cfg) { + qla_printk(KERN_WARNING, ha, + "Unable to allocate memory for fcp priority data " + "(%x).\n", FCP_PRIO_CFG_SIZE); + return QLA_FUNCTION_FAILED; + } + } + memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE); + + fcp_prio_addr = ha->flt_region_fcp_prio; + + /* first read the fcp priority data header from flash */ + ha->isp_ops->read_optrom(vha, (uint8_t *)ha->fcp_prio_cfg, + fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE); + + if (!qla24xx_fcp_prio_cfg_valid(ha->fcp_prio_cfg, 0)) + goto fail; + + /* read remaining FCP CMD config data from flash */ + fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2); + len = ha->fcp_prio_cfg->num_entries * FCP_PRIO_CFG_ENTRY_SIZE; + max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE; + + ha->isp_ops->read_optrom(vha, (uint8_t *)&ha->fcp_prio_cfg->entry[0], + fcp_prio_addr << 2, (len < max_len ? len : max_len)); + + /* revalidate the entire FCP priority config data, including entries */ + if (!qla24xx_fcp_prio_cfg_valid(ha->fcp_prio_cfg, 1)) + goto fail; + + ha->flags.fcp_prio_enabled = 1; + return QLA_SUCCESS; +fail: + vfree(ha->fcp_prio_cfg); + ha->fcp_prio_cfg = NULL; + return QLA_FUNCTION_FAILED; +} -- cgit v0.10.2