diff options
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 29 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_bsg.c | 183 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_bsg.h | 16 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_dbg.c | 9 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 23 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_fw.h | 38 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_iocb.c | 198 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 167 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 1 |
11 files changed, 656 insertions, 12 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 5ab953029f8d..ff2439bd9b4b 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1251,6 +1251,31 @@ qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr, state[1], state[2], state[3], state[4]); } +static ssize_t +qla2x00_diag_requests_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + if (!IS_BIDI_CAPABLE(vha->hw)) + return snprintf(buf, PAGE_SIZE, "\n"); + + return snprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count); +} + +static ssize_t +qla2x00_diag_megabytes_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + if (!IS_BIDI_CAPABLE(vha->hw)) + return snprintf(buf, PAGE_SIZE, "\n"); + + return snprintf(buf, PAGE_SIZE, "%llu\n", + vha->bidi_stats.transfer_bytes >> 20); +} + static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL); static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL); static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL); @@ -1289,6 +1314,8 @@ static DEVICE_ATTR(vn_port_mac_address, S_IRUGO, static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL); static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL); static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL); +static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL); +static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL); struct device_attribute *qla2x00_host_attrs[] = { &dev_attr_driver_version, @@ -1318,6 +1345,8 @@ struct device_attribute *qla2x00_host_attrs[] = { &dev_attr_fw_state, &dev_attr_optrom_gold_fw_version, &dev_attr_thermal_temp, + &dev_attr_diag_requests, + &dev_attr_diag_megabytes, NULL, }; diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 462ac707b8d6..dac3427ebf24 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -1650,6 +1650,186 @@ done: } static int +qla24xx_process_bidir_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; + uint16_t thread_id; + uint32_t rval = EXT_STATUS_OK; + uint16_t req_sg_cnt = 0; + uint16_t rsp_sg_cnt = 0; + uint16_t nextlid = 0; + uint32_t tot_dsds; + srb_t *sp = NULL; + uint32_t req_data_len = 0; + uint32_t rsp_data_len = 0; + + /* Check the type of the adapter */ + if (!IS_BIDI_CAPABLE(ha)) { + ql_log(ql_log_warn, vha, 0x70a0, + "This adapter is not supported\n"); + rval = EXT_STATUS_NOT_SUPPORTED; + goto done; + } + + 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)) { + rval = EXT_STATUS_BUSY; + goto done; + } + + /* Check if host is online */ + if (!vha->flags.online) { + ql_log(ql_log_warn, vha, 0x70a1, + "Host is not online\n"); + rval = EXT_STATUS_DEVICE_OFFLINE; + goto done; + } + + /* Check if cable is plugged in or not */ + if (vha->device_flags & DFLG_NO_CABLE) { + ql_log(ql_log_warn, vha, 0x70a2, + "Cable is unplugged...\n"); + rval = EXT_STATUS_INVALID_CFG; + goto done; + } + + /* Check if the switch is connected or not */ + if (ha->current_topology != ISP_CFG_F) { + ql_log(ql_log_warn, vha, 0x70a3, + "Host is not connected to the switch\n"); + rval = EXT_STATUS_INVALID_CFG; + goto done; + } + + /* Check if operating mode is P2P */ + if (ha->operating_mode != P2P) { + ql_log(ql_log_warn, vha, 0x70a4, + "Host is operating mode is not P2p\n"); + rval = EXT_STATUS_INVALID_CFG; + goto done; + } + + thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; + + mutex_lock(&ha->selflogin_lock); + if (vha->self_login_loop_id == 0) { + /* Initialize all required fields of fcport */ + vha->bidir_fcport.vha = vha; + vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa; + vha->bidir_fcport.d_id.b.area = vha->d_id.b.area; + vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain; + vha->bidir_fcport.loop_id = vha->loop_id; + + if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) { + ql_log(ql_log_warn, vha, 0x70a7, + "Failed to login port %06X for bidirectional IOCB\n", + vha->bidir_fcport.d_id.b24); + mutex_unlock(&ha->selflogin_lock); + rval = EXT_STATUS_MAILBOX; + goto done; + } + vha->self_login_loop_id = nextlid - 1; + + } + /* Assign the self login loop id to fcport */ + mutex_unlock(&ha->selflogin_lock); + + vha->bidir_fcport.loop_id = vha->self_login_loop_id; + + req_sg_cnt = dma_map_sg(&ha->pdev->dev, + bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, + DMA_TO_DEVICE); + + if (!req_sg_cnt) { + rval = EXT_STATUS_NO_MEMORY; + goto done; + } + + rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, + bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt, + DMA_FROM_DEVICE); + + if (!rsp_sg_cnt) { + rval = EXT_STATUS_NO_MEMORY; + goto done_unmap_req_sg; + } + + if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) || + (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) { + ql_dbg(ql_dbg_user, vha, 0x70a9, + "Dma mapping resulted in different sg counts " + "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: " + "%x dma_reply_sg_cnt: %x]\n", + bsg_job->request_payload.sg_cnt, req_sg_cnt, + bsg_job->reply_payload.sg_cnt, rsp_sg_cnt); + rval = EXT_STATUS_NO_MEMORY; + goto done_unmap_sg; + } + + if (req_data_len != rsp_data_len) { + rval = EXT_STATUS_BUSY; + ql_log(ql_log_warn, vha, 0x70aa, + "req_data_len != rsp_data_len\n"); + goto done_unmap_sg; + } + + req_data_len = bsg_job->request_payload.payload_len; + rsp_data_len = bsg_job->reply_payload.payload_len; + + + /* Alloc SRB structure */ + sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL); + if (!sp) { + ql_dbg(ql_dbg_user, vha, 0x70ac, + "Alloc SRB structure failed\n"); + rval = EXT_STATUS_NO_MEMORY; + goto done_unmap_sg; + } + + /*Populate srb->ctx with bidir ctx*/ + sp->u.bsg_job = bsg_job; + sp->free = qla2x00_bsg_sp_free; + sp->type = SRB_BIDI_CMD; + sp->done = qla2x00_bsg_job_done; + + /* Add the read and write sg count */ + tot_dsds = rsp_sg_cnt + req_sg_cnt; + + rval = qla2x00_start_bidir(sp, vha, tot_dsds); + if (rval != EXT_STATUS_OK) + goto done_free_srb; + /* the bsg request will be completed in the interrupt handler */ + return rval; + +done_free_srb: + mempool_free(sp, ha->srb_mempool); +done_unmap_sg: + dma_unmap_sg(&ha->pdev->dev, + bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); +done_unmap_req_sg: + dma_unmap_sg(&ha->pdev->dev, + bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); +done: + + /* Return an error vendor specific response + * and complete the bsg request + */ + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval; + bsg_job->reply_len = sizeof(struct fc_bsg_reply); + bsg_job->reply->reply_payload_rcv_len = 0; + bsg_job->reply->result = (DID_OK) << 16; + bsg_job->job_done(bsg_job); + /* Always retrun success, vendor rsp carries correct status */ + return 0; +} + +static int qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) { switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) { @@ -1692,6 +1872,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) case QL_VND_READ_I2C: return qla2x00_read_i2c(bsg_job); + case QL_VND_DIAG_IO_CMD: + return qla24xx_process_bidir_cmd(bsg_job); + default: bsg_job->reply->result = (DID_ERROR << 16); bsg_job->job_done(bsg_job); diff --git a/drivers/scsi/qla2xxx/qla_bsg.h b/drivers/scsi/qla2xxx/qla_bsg.h index 1a0ab375ce43..1875ee10e589 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.h +++ b/drivers/scsi/qla2xxx/qla_bsg.h @@ -19,15 +19,31 @@ #define QL_VND_SET_FRU_VERSION 0x0B #define QL_VND_READ_FRU_STATUS 0x0C #define QL_VND_WRITE_FRU_STATUS 0x0D +#define QL_VND_DIAG_IO_CMD 0x0A #define QL_VND_WRITE_I2C 0x10 #define QL_VND_READ_I2C 0x11 /* BSG Vendor specific subcode returns */ #define EXT_STATUS_OK 0 #define EXT_STATUS_ERR 1 +#define EXT_STATUS_BUSY 2 #define EXT_STATUS_INVALID_PARAM 6 +#define EXT_STATUS_DATA_OVERRUN 7 +#define EXT_STATUS_DATA_UNDERRUN 8 #define EXT_STATUS_MAILBOX 11 #define EXT_STATUS_NO_MEMORY 17 +#define EXT_STATUS_DEVICE_OFFLINE 22 + +/* + * To support bidirectional iocb + * BSG Vendor specific returns + */ +#define EXT_STATUS_NOT_SUPPORTED 27 +#define EXT_STATUS_INVALID_CFG 28 +#define EXT_STATUS_DMA_ERR 29 +#define EXT_STATUS_TIMEOUT 30 +#define EXT_STATUS_THREAD_FAILED 31 +#define EXT_STATUS_DATA_CMP_FAILED 32 /* BSG definations for interpreting CommandSent field */ #define INT_DEF_LB_LOOPBACK_CMD 0 diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 0c4fd2cebc17..156f5341a7a3 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -15,17 +15,20 @@ * | Mailbox commands | 0x1140 | 0x111a-0x111b | * | | | 0x112c-0x112e | * | | | 0x113a | - * | Device Discovery | 0x2086 | 0x2020-0x2022 | + * | Device Discovery | 0x2087 | 0x2020-0x2022 | * | Queue Command and IO tracing | 0x3030 | 0x3006,0x3008 | * | | | 0x302d-0x302e | * | DPC Thread | 0x401c | 0x4002,0x4013 | * | Async Events | 0x505f | 0x502b-0x502f | * | | | 0x5047,0x5052 | * | Timer Routines | 0x6011 | | - * | User Space Interactions | 0x709f | 0x7018,0x702e, | + * | User Space Interactions | 0x70bb | 0x7018,0x702e, | * | | | 0x7039,0x7045, | * | | | 0x7073-0x7075, | - * | | | 0x708c | + * | | | 0x708c, | + * | | | 0x70a5,0x70a6, | + * | | | 0x70a8,0x70ab, | + * | | | 0x70ad-0x70ae | * | Task Management | 0x803c | 0x8025-0x8026 | * | | | 0x800b,0x8039 | * | AER/EEH | 0x9011 | | diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 28c0b3575616..7ff92ce42821 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -260,6 +260,7 @@ struct srb_iocb { #define SRB_ADISC_CMD 6 #define SRB_TM_CMD 7 #define SRB_SCSI_CMD 8 +#define SRB_BIDI_CMD 9 typedef struct srb { atomic_t ref_count; @@ -1510,6 +1511,13 @@ typedef struct { #define CS_RETRY 0x82 /* Driver defined */ #define CS_LOOP_DOWN_ABORT 0x83 /* Driver defined */ +#define CS_BIDIR_RD_OVERRUN 0x700 +#define CS_BIDIR_RD_WR_OVERRUN 0x707 +#define CS_BIDIR_RD_OVERRUN_WR_UNDERRUN 0x715 +#define CS_BIDIR_RD_UNDERRUN 0x1500 +#define CS_BIDIR_RD_UNDERRUN_WR_OVERRUN 0x1507 +#define CS_BIDIR_RD_WR_UNDERRUN 0x1515 +#define CS_BIDIR_DMA 0x200 /* * Status entry status flags */ @@ -2374,6 +2382,11 @@ struct qla_statistics { uint64_t output_bytes; }; +struct bidi_statistics { + unsigned long long io_count; + unsigned long long transfer_bytes; +}; + /* Multi queue support */ #define MBC_INITIALIZE_MULTIQ 0x1f #define QLA_QUE_PAGE 0X1000 @@ -2671,6 +2684,7 @@ struct qla_hw_data { #define HAS_EXTENDED_IDS(ha) ((ha)->device_type & DT_EXTENDED_IDS) #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))) /* HBA serial number */ uint8_t serial0; @@ -2754,6 +2768,7 @@ struct qla_hw_data { struct completion mbx_intr_comp; /* Used for completion notification */ struct completion dcbx_comp; /* For set port config notification */ int notify_dcbx_comp; + struct mutex selflogin_lock; /* Basic firmware related information. */ uint16_t fw_major_version; @@ -2987,6 +3002,13 @@ typedef struct scsi_qla_host { /* ISP configuration data. */ uint16_t loop_id; /* Host adapter loop id */ + uint16_t self_login_loop_id; /* host adapter loop id + * get it on self login + */ + fc_port_t bidir_fcport; /* fcport used for bidir cmnds + * no need of allocating it for + * each command + */ port_id_t d_id; /* Host adapter port id */ uint8_t marker_needed; @@ -3040,6 +3062,7 @@ typedef struct scsi_qla_host { int seconds_since_last_heartbeat; struct fc_host_statistics fc_host_stat; struct qla_statistics qla_stats; + struct bidi_statistics bidi_stats; atomic_t vref_count; } scsi_qla_host_t; diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h index 980b5a7d6471..a678ed5d6884 100644 --- a/drivers/scsi/qla2xxx/qla_fw.h +++ b/drivers/scsi/qla2xxx/qla_fw.h @@ -381,6 +381,44 @@ struct init_cb_24xx { /* * ISP queue - command entry structure definition. */ +#define COMMAND_BIDIRECTIONAL 0x75 +struct cmd_bidir { + uint8_t entry_type; /* Entry type. */ + uint8_t entry_count; /* Entry count. */ + uint8_t sys_define; /* System defined */ + uint8_t entry_status; /* Entry status. */ + + uint32_t handle; /* System handle. */ + + uint16_t nport_handle; /* N_PORT hanlde. */ + + uint16_t timeout; /* Commnad timeout. */ + + uint16_t wr_dseg_count; /* Write Data segment count. */ + uint16_t rd_dseg_count; /* Read Data segment count. */ + + struct scsi_lun lun; /* FCP LUN (BE). */ + + uint16_t control_flags; /* Control flags. */ +#define BD_WRAP_BACK BIT_3 +#define BD_READ_DATA BIT_1 +#define BD_WRITE_DATA BIT_0 + + uint16_t fcp_cmnd_dseg_len; /* Data segment length. */ + uint32_t fcp_cmnd_dseg_address[2]; /* Data segment address. */ + + uint16_t reserved[2]; /* Reserved */ + + uint32_t rd_byte_count; /* Total Byte count Read. */ + uint32_t wr_byte_count; /* Total Byte count write. */ + + uint8_t port_id[3]; /* PortID of destination port.*/ + uint8_t vp_index; + + uint32_t fcp_data_dseg_address[2]; /* Data segment address. */ + uint16_t fcp_data_dseg_len; /* Data segment length. */ +}; + #define COMMAND_TYPE_6 0x48 /* Command Type 6 entry */ struct cmd_type_6 { uint8_t entry_type; /* Entry type. */ diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 9eacd2df111b..d7588adc768b 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -188,6 +188,8 @@ extern int qla2x00_start_sp(srb_t *); extern uint16_t qla24xx_calc_iocbs(scsi_qla_host_t *, uint16_t); extern void qla24xx_build_scsi_iocbs(srb_t *, struct cmd_type_7 *, uint16_t); extern int qla24xx_dif_start_scsi(srb_t *); +extern int qla2x00_start_bidir(srb_t *, struct scsi_qla_host *, uint32_t); +extern unsigned long qla2x00_get_async_timeout(struct scsi_qla_host *); extern void *qla2x00_alloc_iocbs(scsi_qla_host_t *, srb_t *); extern int qla2x00_issue_marker(scsi_qla_host_t *, int); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 290052352619..fa39411597f9 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -77,7 +77,7 @@ qla2x00_sp_free(void *data, void *ptr) /* Asynchronous Login/Logout Routines -------------------------------------- */ -static inline unsigned long +unsigned long qla2x00_get_async_timeout(struct scsi_qla_host *vha) { unsigned long tmo; diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 23e83757fa5d..74c69ba39a04 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2665,3 +2665,201 @@ done: spin_unlock_irqrestore(&ha->hardware_lock, flags); return rval; } + +static void +qla25xx_build_bidir_iocb(srb_t *sp, struct scsi_qla_host *vha, + struct cmd_bidir *cmd_pkt, uint32_t tot_dsds) +{ + uint16_t avail_dsds; + uint32_t *cur_dsd; + uint32_t req_data_len = 0; + uint32_t rsp_data_len = 0; + struct scatterlist *sg; + int index; + int entry_count = 1; + struct fc_bsg_job *bsg_job = sp->u.bsg_job; + + /*Update entry type to indicate bidir command */ + *((uint32_t *)(&cmd_pkt->entry_type)) = + __constant_cpu_to_le32(COMMAND_BIDIRECTIONAL); + + /* Set the transfer direction, in this set both flags + * Also set the BD_WRAP_BACK flag, firmware will take care + * assigning DID=SID for outgoing pkts. + */ + cmd_pkt->wr_dseg_count = cpu_to_le16(bsg_job->request_payload.sg_cnt); + cmd_pkt->rd_dseg_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt); + cmd_pkt->control_flags = + __constant_cpu_to_le16(BD_WRITE_DATA | BD_READ_DATA | + BD_WRAP_BACK); + + req_data_len = rsp_data_len = bsg_job->request_payload.payload_len; + cmd_pkt->wr_byte_count = cpu_to_le32(req_data_len); + cmd_pkt->rd_byte_count = cpu_to_le32(rsp_data_len); + cmd_pkt->timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2); + + vha->bidi_stats.transfer_bytes += req_data_len; + vha->bidi_stats.io_count++; + + /* Only one dsd is available for bidirectional IOCB, remaining dsds + * are bundled in continuation iocb + */ + avail_dsds = 1; + cur_dsd = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; + + index = 0; + + for_each_sg(bsg_job->request_payload.sg_list, sg, + bsg_job->request_payload.sg_cnt, index) { + dma_addr_t sle_dma; + cont_a64_entry_t *cont_pkt; + + /* Allocate additional continuation packets */ + if (avail_dsds == 0) { + /* Continuation type 1 IOCB can accomodate + * 5 DSDS + */ + cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req); + cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; + avail_dsds = 5; + entry_count++; + } + sle_dma = sg_dma_address(sg); + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); + avail_dsds--; + } + /* For read request DSD will always goes to continuation IOCB + * and follow the write DSD. If there is room on the current IOCB + * then it is added to that IOCB else new continuation IOCB is + * allocated. + */ + for_each_sg(bsg_job->reply_payload.sg_list, sg, + bsg_job->reply_payload.sg_cnt, index) { + dma_addr_t sle_dma; + cont_a64_entry_t *cont_pkt; + + /* Allocate additional continuation packets */ + if (avail_dsds == 0) { + /* Continuation type 1 IOCB can accomodate + * 5 DSDS + */ + cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req); + cur_dsd = (uint32_t *) cont_pkt->dseg_0_address; + avail_dsds = 5; + entry_count++; + } + sle_dma = sg_dma_address(sg); + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); + avail_dsds--; + } + /* This value should be same as number of IOCB required for this cmd */ + cmd_pkt->entry_count = entry_count; +} + +int +qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds) +{ + + struct qla_hw_data *ha = vha->hw; + unsigned long flags; + uint32_t handle; + uint32_t index; + uint16_t req_cnt; + uint16_t cnt; + uint32_t *clr_ptr; + struct cmd_bidir *cmd_pkt = NULL; + struct rsp_que *rsp; + struct req_que *req; + int rval = EXT_STATUS_OK; + device_reg_t __iomem *reg = ISP_QUE_REG(ha, vha->req->id); + + rval = QLA_SUCCESS; + + rsp = ha->rsp_q_map[0]; + req = vha->req; + + /* Send marker if required */ + if (vha->marker_needed != 0) { + if (qla2x00_marker(vha, req, + rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) + return EXT_STATUS_MAILBOX; + vha->marker_needed = 0; + } + + /* Acquire ring specific lock */ + spin_lock_irqsave(&ha->hardware_lock, flags); + + /* Check for room in outstanding command list. */ + handle = req->current_outstanding_cmd; + for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { + handle++; + if (handle == MAX_OUTSTANDING_COMMANDS) + handle = 1; + if (!req->outstanding_cmds[handle]) + break; + } + + if (index == MAX_OUTSTANDING_COMMANDS) { + rval = EXT_STATUS_BUSY; + goto queuing_error; + } + + /* Calculate number of IOCB required */ + req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); + + /* Check for room on request queue. */ + if (req->cnt < req_cnt + 2) { + if (ha->mqenable) + cnt = RD_REG_DWORD(®->isp25mq.req_q_out); + else if (IS_QLA82XX(ha)) + cnt = RD_REG_DWORD(®->isp82.req_q_out); + else if (IS_FWI2_CAPABLE(ha)) + cnt = RD_REG_DWORD(®->isp24.req_q_out); + else + cnt = qla2x00_debounce_register( + ISP_REQ_Q_OUT(ha, ®->isp)); + + if (req->ring_index < cnt) + req->cnt = cnt - req->ring_index; + else + req->cnt = req->length - + (req->ring_index - cnt); + } + if (req->cnt < req_cnt + 2) { + rval = EXT_STATUS_BUSY; + goto queuing_error; + } + + cmd_pkt = (struct cmd_bidir *)req->ring_ptr; + cmd_pkt->handle = MAKE_HANDLE(req->id, handle); + + /* Zero out remaining portion of packet. */ + /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/ + clr_ptr = (uint32_t *)cmd_pkt + 2; + memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); + + /* Set NPORT-ID (of vha)*/ + cmd_pkt->nport_handle = cpu_to_le16(vha->self_login_loop_id); + cmd_pkt->port_id[0] = vha->d_id.b.al_pa; + cmd_pkt->port_id[1] = vha->d_id.b.area; + cmd_pkt->port_id[2] = vha->d_id.b.domain; + + qla25xx_build_bidir_iocb(sp, vha, cmd_pkt, tot_dsds); + cmd_pkt->entry_status = (uint8_t) rsp->id; + /* Build command packet. */ + req->current_outstanding_cmd = handle; + req->outstanding_cmds[handle] = sp; + sp->handle = handle; + req->cnt -= req_cnt; + + /* Send the command to the firmware */ + wmb(); + qla2x00_start_iocbs(vha, req); +queuing_error: + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return rval; +} diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 0b097766f68d..31ef8e25a61d 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1546,6 +1546,149 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) return 1; } +static void +qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, + struct req_que *req, uint32_t index) +{ + struct qla_hw_data *ha = vha->hw; + srb_t *sp; + uint16_t comp_status; + uint16_t scsi_status; + uint16_t thread_id; + uint32_t rval = EXT_STATUS_OK; + struct fc_bsg_job *bsg_job = NULL; + sts_entry_t *sts; + struct sts_entry_24xx *sts24; + sts = (sts_entry_t *) pkt; + sts24 = (struct sts_entry_24xx *) pkt; + + /* Validate handle. */ + if (index >= MAX_OUTSTANDING_COMMANDS) { + ql_log(ql_log_warn, vha, 0x70af, + "Invalid SCSI completion handle 0x%x.\n", index); + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + return; + } + + sp = req->outstanding_cmds[index]; + if (sp) { + /* Free outstanding command slot. */ + req->outstanding_cmds[index] = NULL; + bsg_job = sp->u.bsg_job; + } else { + ql_log(ql_log_warn, vha, 0x70b0, + "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", + req->id, index); + + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + return; + } + + if (IS_FWI2_CAPABLE(ha)) { + comp_status = le16_to_cpu(sts24->comp_status); + scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; + } else { + comp_status = le16_to_cpu(sts->comp_status); + scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; + } + + thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; + switch (comp_status) { + case CS_COMPLETE: + if (scsi_status == 0) { + bsg_job->reply->reply_payload_rcv_len = + bsg_job->reply_payload.payload_len; + rval = EXT_STATUS_OK; + } + goto done; + + case CS_DATA_OVERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b1, + "Command completed with date overrun thread_id=%d\n", + thread_id); + rval = EXT_STATUS_DATA_OVERRUN; + break; + + case CS_DATA_UNDERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b2, + "Command completed with date underrun thread_id=%d\n", + thread_id); + rval = EXT_STATUS_DATA_UNDERRUN; + break; + case CS_BIDIR_RD_OVERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b3, + "Command completed with read data overrun thread_id=%d\n", + thread_id); + rval = EXT_STATUS_DATA_OVERRUN; + break; + + case CS_BIDIR_RD_WR_OVERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b4, + "Command completed with read and write data overrun " + "thread_id=%d\n", thread_id); + rval = EXT_STATUS_DATA_OVERRUN; + break; + + case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b5, + "Command completed with read data over and write data " + "underrun thread_id=%d\n", thread_id); + rval = EXT_STATUS_DATA_OVERRUN; + break; + + case CS_BIDIR_RD_UNDERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b6, + "Command completed with read data data underrun " + "thread_id=%d\n", thread_id); + rval = EXT_STATUS_DATA_UNDERRUN; + break; + + case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b7, + "Command completed with read data under and write data " + "overrun thread_id=%d\n", thread_id); + rval = EXT_STATUS_DATA_UNDERRUN; + break; + + case CS_BIDIR_RD_WR_UNDERRUN: + ql_dbg(ql_dbg_user, vha, 0x70b8, + "Command completed with read and write data underrun " + "thread_id=%d\n", thread_id); + rval = EXT_STATUS_DATA_UNDERRUN; + break; + + case CS_BIDIR_DMA: + ql_dbg(ql_dbg_user, vha, 0x70b9, + "Command completed with data DMA error thread_id=%d\n", + thread_id); + rval = EXT_STATUS_DMA_ERR; + break; + + case CS_TIMEOUT: + ql_dbg(ql_dbg_user, vha, 0x70ba, + "Command completed with timeout thread_id=%d\n", + thread_id); + rval = EXT_STATUS_TIMEOUT; + break; + default: + ql_dbg(ql_dbg_user, vha, 0x70bb, + "Command completed with completion status=0x%x " + "thread_id=%d\n", comp_status, thread_id); + rval = EXT_STATUS_ERR; + break; + } + bsg_job->reply->reply_payload_rcv_len = 0; + +done: + /* Return the vendor specific reply to API */ + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval; + bsg_job->reply_len = sizeof(struct fc_bsg_reply); + /* Always return DID_OK, bsg will send the vendor specific response + * in this case only */ + sp->done(vha, sp, (DID_OK << 6)); + +} + /** * qla2x00_status_entry() - Process a Status IOCB entry. * @ha: SCSI driver HA context @@ -1573,12 +1716,14 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) struct req_que *req; int logit = 1; int res = 0; + uint16_t state_flags = 0; sts = (sts_entry_t *) pkt; sts24 = (struct sts_entry_24xx *) pkt; if (IS_FWI2_CAPABLE(ha)) { comp_status = le16_to_cpu(sts24->comp_status); scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; + state_flags = le16_to_cpu(sts24->state_flags); } else { comp_status = le16_to_cpu(sts->comp_status); scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; @@ -1587,17 +1732,9 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) que = MSW(sts->handle); req = ha->req_q_map[que]; - /* Fast path completion. */ - if (comp_status == CS_COMPLETE && scsi_status == 0) { - qla2x00_process_completed_request(vha, req, handle); - - return; - } - /* Validate handle. */ if (handle < MAX_OUTSTANDING_COMMANDS) { sp = req->outstanding_cmds[handle]; - req->outstanding_cmds[handle] = NULL; } else sp = NULL; @@ -1612,6 +1749,20 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) qla2xxx_wake_dpc(vha); return; } + + if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { + qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); + return; + } + + /* Fast path completion. */ + if (comp_status == CS_COMPLETE && scsi_status == 0) { + qla2x00_process_completed_request(vha, req, handle); + + return; + } + + req->outstanding_cmds[handle] = NULL; cp = GET_CMD_SP(sp); if (cp == NULL) { ql_dbg(ql_dbg_io, vha, 0x3018, diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 5f990291c259..3e775650c20c 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -2203,6 +2203,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->mem_only = mem_only; spin_lock_init(&ha->hardware_lock); spin_lock_init(&ha->vport_slock); + mutex_init(&ha->selflogin_lock); /* Set ISP-type information. */ qla2x00_set_isp_flags(ha); |