From 81178772b636a0effe65c98f85a50dc32427b436 Mon Sep 17 00:00:00 2001 From: Saurav Kashyap Date: Wed, 22 Aug 2012 14:21:04 -0400 Subject: [PATCH] [SCSI] qla2xxx: Implemetation of mctp. [jejb: fix up checkpatch errors] Signed-off-by: Saurav Kashyap Signed-off-by: Chad Dupuis Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_attr.c | 25 +++++++++++- drivers/scsi/qla2xxx/qla_dbg.c | 10 +++-- drivers/scsi/qla2xxx/qla_def.h | 10 ++++- drivers/scsi/qla2xxx/qla_gbl.h | 4 ++ drivers/scsi/qla2xxx/qla_init.c | 54 +++++++++++++++++++++++++ drivers/scsi/qla2xxx/qla_mbx.c | 70 +++++++++++++++++++++++++++------ drivers/scsi/qla2xxx/qla_os.c | 39 +++++++++++------- 7 files changed, 178 insertions(+), 34 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index f76424ef05b0..f042176a6828 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -26,7 +26,7 @@ qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj, struct qla_hw_data *ha = vha->hw; int rval = 0; - if (ha->fw_dump_reading == 0) + if (!(ha->fw_dump_reading || ha->mctp_dump_reading)) return 0; if (IS_QLA82XX(ha)) { @@ -39,9 +39,14 @@ qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj, rval = memory_read_from_buffer(buf, count, &off, ha->md_dump, ha->md_dump_size); return rval; - } else + } else if (ha->mctp_dumped && ha->mctp_dump_reading) + return memory_read_from_buffer(buf, count, &off, ha->mctp_dump, + MCTP_DUMP_SIZE); + else if (ha->fw_dump_reading) return memory_read_from_buffer(buf, count, &off, ha->fw_dump, ha->fw_dump_len); + else + return 0; } static ssize_t @@ -107,6 +112,22 @@ qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj, if (IS_QLA82XX(ha)) set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; + case 6: + if (!ha->mctp_dump_reading) + break; + ql_log(ql_log_info, vha, 0x70c1, + "MCTP dump cleared on (%ld).\n", vha->host_no); + ha->mctp_dump_reading = 0; + ha->mctp_dumped = 0; + break; + case 7: + if (ha->mctp_dumped && !ha->mctp_dump_reading) { + ha->mctp_dump_reading = 1; + ql_log(ql_log_info, vha, 0x70c2, + "Raw mctp dump ready for read on (%ld).\n", + vha->host_no); + } + break; } return count; } diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 55998f4fb3ae..6012805e0690 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -12,28 +12,30 @@ * | Level | Last Value Used | Holes | * ---------------------------------------------------------------------- * | Module Init and Probe | 0x0124 | 0x4b,0xba,0xfa | - * | Mailbox commands | 0x114c | 0x111a-0x111b | + * | Mailbox commands | 0x114f | 0x111a-0x111b | * | | | 0x112c-0x112e | * | | | 0x113a | * | Device Discovery | 0x2087 | 0x2020-0x2022 | * | Queue Command and IO tracing | 0x3030 | 0x3006,0x3008 | * | | | 0x302d-0x302e | * | DPC Thread | 0x401c | 0x4002,0x4013 | - * | Async Events | 0x506c | 0x502b-0x502f | + * | Async Events | 0x5071 | 0x502b-0x502f | * | | | 0x5047,0x5052 | * | Timer Routines | 0x6011 | | - * | User Space Interactions | 0x70bd | 0x7018,0x702e, | + * | User Space Interactions | 0x70c2 | 0x7018,0x702e, | * | | | 0x7039,0x7045, | * | | | 0x7073-0x7075, | * | | | 0x708c, | * | | | 0x70a5,0x70a6, | * | | | 0x70a8,0x70ab, | * | | | 0x70ad-0x70ae | + * | | | 0x70be-70c0 | * | Task Management | 0x803c | 0x8025-0x8026 | * | | | 0x800b,0x8039 | * | AER/EEH | 0x9011 | | * | Virtual Port | 0xa007 | | - * | ISP82XX Specific | 0xb080 | 0xb024 | + * | ISP82XX Specific | 0xb084 | 0xb002 | + * | | | 0xb082,0xb083 | * | MultiQ | 0xc00c | | * | Misc | 0xd010 | | * | Target Mode | 0xe06f | | diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 3d72beedf92f..874c1cd483e0 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2765,6 +2765,9 @@ struct qla_hw_data { #define IS_CT6_SUPPORTED(ha) ((ha)->device_type & DT_CT6_SUPPORTED) #define IS_MQUE_CAPABLE(ha) ((ha)->mqenable || IS_QLA83XX(ha)) #define IS_BIDI_CAPABLE(ha) ((IS_QLA25XX(ha) || IS_QLA2031(ha))) +/* Bit 21 of fw_attributes decides the MCTP capabilities */ +#define IS_MCTP_CAPABLE(ha) (IS_QLA2031(ha) && \ + ((ha)->fw_attributes_ext[0] & BIT_0)) /* HBA serial number */ uint8_t serial0; @@ -2880,7 +2883,12 @@ struct qla_hw_data { int fw_dump_reading; dma_addr_t eft_dma; void *eft; - +/* Current size of mctp dump is 0x086064 bytes */ +#define MCTP_DUMP_SIZE 0x086064 + dma_addr_t mctp_dump_dma; + void *mctp_dump; + int mctp_dumped; + int mctp_dump_reading; uint32_t chain_offset; struct dentry *dfs_dir; struct dentry *dfs_fce; diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 98c187da2c91..b808b8e47d45 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -82,6 +82,7 @@ extern int __qla83xx_get_idc_control(scsi_qla_host_t *, uint32_t *); extern void qla83xx_idc_audit(scsi_qla_host_t *, int); extern int qla83xx_nic_core_reset(scsi_qla_host_t *); extern void qla83xx_reset_ownership(scsi_qla_host_t *); +extern int qla2xxx_mctp_dump(scsi_qla_host_t *); /* * Global Data in qla_os.c source file. @@ -399,6 +400,9 @@ qla81xx_set_port_config(scsi_qla_host_t *, uint16_t *); extern int qla2x00_port_logout(scsi_qla_host_t *, struct fc_port *); +extern int +qla2x00_dump_mctp_data(scsi_qla_host_t *, dma_addr_t, uint32_t, uint32_t); + /* * Global Function Prototypes in qla_isr.c source file. */ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 590238d878f6..0ea15b781adf 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -4110,6 +4110,60 @@ exit: return rval; } +int +qla2xxx_mctp_dump(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + int rval = QLA_FUNCTION_FAILED; + + if (!IS_MCTP_CAPABLE(ha)) { + /* This message can be removed from the final version */ + ql_log(ql_log_info, vha, 0x506d, + "This board is not MCTP capable\n"); + return rval; + } + + if (!ha->mctp_dump) { + ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev, + MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL); + + if (!ha->mctp_dump) { + ql_log(ql_log_warn, vha, 0x506e, + "Failed to allocate memory for mctp dump\n"); + return rval; + } + } + +#define MCTP_DUMP_STR_ADDR 0x00000000 + rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma, + MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4); + if (rval != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x506f, + "Failed to capture mctp dump\n"); + } else { + ql_log(ql_log_info, vha, 0x5070, + "Mctp dump capture for host (%ld/%p).\n", + vha->host_no, ha->mctp_dump); + ha->mctp_dumped = 1; + } + + if (!ha->flags.nic_core_reset_hdlr_active) { + ha->flags.nic_core_reset_hdlr_active = 1; + rval = qla83xx_restart_nic_firmware(vha); + if (rval) + /* NIC Core reset failed. */ + ql_log(ql_log_warn, vha, 0x5071, + "Failed to restart nic firmware\n"); + else + ql_dbg(ql_dbg_p3p, vha, 0xb084, + "Restarted NIC firmware successfully.\n"); + ha->flags.nic_core_reset_hdlr_active = 0; + } + + return rval; + +} + /* * qla82xx_quiescent_state_cleanup * Description: This function will block the new I/Os diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 1587b64b4bc3..691be37b8918 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -559,18 +559,16 @@ qla2x00_get_fw_version(scsi_qla_host_t *vha) ha->phy_version[1] = mcp->mb[9] >> 8; ha->phy_version[2] = mcp->mb[9] & 0xff; } - if (IS_QLA83XX(ha)) { - if (mcp->mb[6] & BIT_15) { - ha->fw_attributes_h = mcp->mb[15]; - ha->fw_attributes_ext[0] = mcp->mb[16]; - ha->fw_attributes_ext[1] = mcp->mb[17]; - ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1139, - "%s: FW_attributes Upper: 0x%x, Lower: 0x%x.\n", - __func__, mcp->mb[15], mcp->mb[6]); - } else - ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x112f, - "%s: FwAttributes [Upper] invalid, MB6:%04x\n", - __func__, mcp->mb[6]); + if (IS_FWI2_CAPABLE(ha)) { + ha->fw_attributes_h = mcp->mb[15]; + ha->fw_attributes_ext[0] = mcp->mb[16]; + ha->fw_attributes_ext[1] = mcp->mb[17]; + ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1139, + "%s: FW_attributes Upper: 0x%x, Lower: 0x%x.\n", + __func__, mcp->mb[15], mcp->mb[6]); + ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x112f, + "%s: Ext_FwAttributes Upper: 0x%x, Lower: 0x%x.\n", + __func__, mcp->mb[17], mcp->mb[16]); } failed: @@ -3408,7 +3406,6 @@ qla2x00_dump_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t addr, return rval; } - /* 84XX Support **************************************************************/ struct cs84xx_mgmt_cmd { @@ -4950,3 +4947,50 @@ qla83xx_access_control(scsi_qla_host_t *vha, uint16_t options, return rval; } + +int +qla2x00_dump_mctp_data(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t addr, + uint32_t size) +{ + int rval; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + if (!IS_MCTP_CAPABLE(vha->hw)) + return QLA_FUNCTION_FAILED; + + ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x114f, + "Entered %s.\n", __func__); + + mcp->mb[0] = MBC_DUMP_RISC_RAM_EXTENDED; + mcp->mb[1] = LSW(addr); + mcp->mb[2] = MSW(req_dma); + mcp->mb[3] = LSW(req_dma); + mcp->mb[4] = MSW(size); + mcp->mb[5] = LSW(size); + mcp->mb[6] = MSW(MSD(req_dma)); + mcp->mb[7] = LSW(MSD(req_dma)); + mcp->mb[8] = MSW(addr); + /* Setting RAM ID to valid */ + mcp->mb[10] |= BIT_7; + /* For MCTP RAM ID is 0x40 */ + mcp->mb[10] |= 0x40; + + mcp->out_mb |= MBX_10|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1| + MBX_0; + + mcp->in_mb = MBX_0; + mcp->tov = MBX_TOV_SECONDS; + mcp->flags = 0; + rval = qla2x00_mailbox_command(vha, mcp); + + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0x114e, + "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); + } else { + ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x114d, + "Done %s.\n", __func__); + } + + return rval; +} diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index c705a51ee333..6250e5761d35 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -2404,20 +2404,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER + base_vha->vp_idx; - if (IS_QLA8031(ha)) { - sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no); - ha->dpc_lp_wq = create_singlethread_workqueue(wq_name); - INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen); - - sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no); - ha->dpc_hp_wq = create_singlethread_workqueue(wq_name); - INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work); - INIT_WORK(&ha->idc_state_handler, - qla83xx_idc_state_handler_work); - INIT_WORK(&ha->nic_core_unrecoverable, - qla83xx_nic_core_unrecoverable_work); - } - /* Set the SG table size based on ISP type */ if (!IS_FWI2_CAPABLE(ha)) { if (IS_QLA2100(ha)) @@ -2558,6 +2544,20 @@ que_init: */ qla2xxx_wake_dpc(base_vha); + if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) { + sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no); + ha->dpc_lp_wq = create_singlethread_workqueue(wq_name); + INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen); + + sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no); + ha->dpc_hp_wq = create_singlethread_workqueue(wq_name); + INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work); + INIT_WORK(&ha->idc_state_handler, + qla83xx_idc_state_handler_work); + INIT_WORK(&ha->nic_core_unrecoverable, + qla83xx_nic_core_unrecoverable_work); + } + skip_dpc: list_add_tail(&base_vha->list, &ha->vp_list); base_vha->host->irq = ha->pdev->irq; @@ -3331,6 +3331,10 @@ qla2x00_mem_free(struct qla_hw_data *ha) { qla2x00_free_fw_dump(ha); + if (ha->mctp_dump) + dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump, + ha->mctp_dump_dma); + if (ha->srb_mempool) mempool_destroy(ha->srb_mempool); @@ -3860,6 +3864,13 @@ qla83xx_nic_core_reset_work(struct work_struct *work) scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); uint32_t dev_state = 0; + if (IS_QLA2031(ha)) { + if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS) + ql_log(ql_log_warn, base_vha, 0xb081, + "Failed to dump mctp\n"); + return; + } + if (!ha->flags.nic_core_reset_hdlr_active) { if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) { qla83xx_idc_lock(base_vha, 0); -- 2.20.1