From ec89146215d124c429bff84b498dccdc4919ffa7 Mon Sep 17 00:00:00 2001 From: Joe Carnuccio Date: Wed, 6 Jul 2016 11:14:26 -0400 Subject: [PATCH] qla2xxx: Add bsg interface to support D_Port Diagnostics. Signed-off-by: Joe Carnuccio Signed-off-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_bsg.c | 44 ++++++++++++++++++++++++++ drivers/scsi/qla2xxx/qla_bsg.h | 12 +++++++ drivers/scsi/qla2xxx/qla_dbg.c | 3 +- drivers/scsi/qla2xxx/qla_gbl.h | 3 ++ drivers/scsi/qla2xxx/qla_isr.c | 7 ++-- drivers/scsi/qla2xxx/qla_mbx.c | 58 +++++++++++++++++++++++++++++++++- 6 files changed, 122 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 8cadc4da7d59..592e9249db02 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -2295,6 +2295,47 @@ done: return rval; } +static int +qla2x00_do_dport_diagnostics(struct fc_bsg_job *bsg_job) +{ + struct Scsi_Host *host = bsg_job->shost; + scsi_qla_host_t *vha = shost_priv(host); + int rval; + struct qla_dport_diag *dd; + + if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw)) + return -EPERM; + + dd = kmalloc(sizeof(*dd), GFP_KERNEL); + if (!dd) { + ql_log(ql_log_warn, vha, 0x70db, + "Failed to allocate memory for dport.\n"); + return -ENOMEM; + } + + sg_copy_to_buffer(bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, dd, sizeof(*dd)); + + rval = qla26xx_dport_diagnostics( + vha, dd->buf, sizeof(dd->buf), dd->options); + if (rval == QLA_SUCCESS) { + sg_copy_from_buffer(bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, dd, sizeof(*dd)); + } + + bsg_job->reply->reply_payload_rcv_len = sizeof(*dd); + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = + rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK; + + bsg_job->reply_len = sizeof(*bsg_job->reply); + bsg_job->reply->result = DID_OK << 16; + bsg_job->job_done(bsg_job); + + kfree(dd); + + return 0; +} + static int qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) { @@ -2362,6 +2403,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) case QL_VND_GET_PRIV_STATS: return qla2x00_get_priv_stats(bsg_job); + case QL_VND_DPORT_DIAGNOSTICS: + return qla2x00_do_dport_diagnostics(bsg_job); + default: return -ENOSYS; } diff --git a/drivers/scsi/qla2xxx/qla_bsg.h b/drivers/scsi/qla2xxx/qla_bsg.h index c80192d45536..3b1045f95d6f 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.h +++ b/drivers/scsi/qla2xxx/qla_bsg.h @@ -29,6 +29,7 @@ #define QL_VND_SET_FLASH_UPDATE_CAPS 0x16 #define QL_VND_GET_BBCR_DATA 0x17 #define QL_VND_GET_PRIV_STATS 0x18 +#define QL_VND_DPORT_DIAGNOSTICS 0x19 /* BSG Vendor specific subcode returns */ #define EXT_STATUS_OK 0 @@ -266,4 +267,15 @@ struct qla_bbcr_data { uint16_t mbx1; /* Port state */ uint8_t reserved[9]; } __packed; + +struct qla_dport_diag { + uint16_t options; + uint32_t buf[16]; + uint8_t unused[62]; +} __packed; + +/* D_Port options */ +#define QLA_DPORT_RESULT 0x0 +#define QLA_DPORT_START 0x2 + #endif diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 2790e5f2f29c..2a1eb027e162 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -14,7 +14,7 @@ * | Module Init and Probe | 0x018f | 0x0146 | * | | | 0x015b-0x0160 | * | | | 0x016e | - * | Mailbox commands | 0x1191 | | + * | Mailbox commands | 0x1196 | | * | | | | * | Device Discovery | 0x2003 | 0x2016 | * | | | 0x2011-0x2012, | @@ -41,7 +41,6 @@ * | | | 0x70ad-0x70ae | * | | | 0x70d0-0x70d6 | * | | | 0x70d7-0x70db | - * | | | 0x70db | * | Task Management | 0x803d | 0x8000,0x800b | * | | | 0x8019 | * | | | 0x8025,0x8026 | diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index be24e6260976..6ca00813c71f 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -445,6 +445,9 @@ 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); +extern int +qla26xx_dport_diagnostics(scsi_qla_host_t *, void *, uint, uint); + /* * Global Function Prototypes in qla_isr.c source file. */ diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index a2d7935ffeea..6b5f97e8c07b 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1152,10 +1152,13 @@ global_port_update: case MBA_DPORT_DIAGNOSTICS: ql_dbg(ql_dbg_async, vha, 0x5052, - "D-Port Diagnostics: %04x %04x=%s\n", mb[0], mb[1], + "D-Port Diagnostics: %04x result=%s index=%u size=%u\n", + mb[0], mb[1] == 0 ? "start" : mb[1] == 1 ? "done (ok)" : - mb[1] == 2 ? "done (error)" : "other"); + mb[1] == 2 ? "done (error)" : "other", + LSB(mb[2]), + mb[3]); break; case MBA_TEMPERATURE_ALERT: diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 97099ce2df15..0f7b83a37a36 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -1872,7 +1872,7 @@ qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states) states[0] = mcp->mb[1]; if (IS_FWI2_CAPABLE(vha->hw)) { states[1] = mcp->mb[2]; - states[2] = mcp->mb[3]; + states[2] = mcp->mb[3]; /* SFP info */ states[3] = mcp->mb[4]; states[4] = mcp->mb[5]; states[5] = mcp->mb[6]; /* DPORT status */ @@ -5748,3 +5748,59 @@ qla2x00_dump_mctp_data(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t addr, return rval; } + +int +qla26xx_dport_diagnostics(scsi_qla_host_t *vha, + void *dd_buf, uint size, uint options) +{ + int rval; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + dma_addr_t dd_dma; + + if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw)) + return QLA_FUNCTION_FAILED; + + ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1192, + "Entered %s.\n", __func__); + + if (size < 1024) { + ql_log(ql_log_warn, vha, 0x1193, "Failed insufficient size.\n"); + return QLA_FUNCTION_PARAMETER_ERROR; + } + + dd_dma = dma_map_single(&vha->hw->pdev->dev, + dd_buf, size, DMA_FROM_DEVICE); + if (!dd_dma) { + ql_log(ql_log_warn, vha, 0x1194, "Failed to map dma buffer.\n"); + return QLA_MEMORY_ALLOC_FAILED; + } + + memset(dd_buf, 0, size); + + mcp->mb[0] = MBC_DPORT_DIAGNOSTICS; + mcp->mb[1] = options; + mcp->mb[2] = MSW(LSD(dd_dma)); + mcp->mb[3] = LSW(LSD(dd_dma)); + mcp->mb[6] = MSW(MSD(dd_dma)); + mcp->mb[7] = LSW(MSD(dd_dma)); + mcp->mb[8] = size; + mcp->out_mb = MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0; + mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0; + mcp->buf_size = size; + mcp->flags = MBX_DMA_IN; + mcp->tov = MBX_TOV_SECONDS * 4; + rval = qla2x00_mailbox_command(vha, mcp); + + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0x1195, "Failed=%x.\n", rval); + } else { + ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1196, + "Done %s.\n", __func__); + } + + dma_unmap_single(&vha->hw->pdev->dev, dd_dma, + size, DMA_FROM_DEVICE); + + return rval; +} -- 2.39.5