diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_isr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 582 |
1 files changed, 418 insertions, 164 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index f38d13628f4..b960bdfe91e 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -19,14 +19,17 @@ #include "qla_def.h" static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); -static void qla2x00_async_event(scsi_qla_host_t *, uint32_t); +static void qla2x00_async_event(scsi_qla_host_t *, uint16_t *); static void qla2x00_process_completed_request(struct scsi_qla_host *, uint32_t); void qla2x00_process_response_queue(struct scsi_qla_host *); -static void qla2x00_status_entry(scsi_qla_host_t *, sts_entry_t *); +static void qla2x00_status_entry(scsi_qla_host_t *, void *); static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *); static void qla2x00_error_entry(scsi_qla_host_t *, sts_entry_t *); static void qla2x00_ms_entry(scsi_qla_host_t *, ms_iocb_entry_t *); +void qla24xx_process_response_queue(scsi_qla_host_t *); +static void qla24xx_ms_entry(scsi_qla_host_t *, struct ct_entry_24xx *); + /** * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. * @irq: @@ -45,7 +48,7 @@ qla2100_intr_handler(int irq, void *dev_id, struct pt_regs *regs) int status; unsigned long flags; unsigned long iter; - uint32_t mbx; + uint16_t mb[4]; ha = (scsi_qla_host_t *) dev_id; if (!ha) { @@ -67,17 +70,20 @@ qla2100_intr_handler(int irq, void *dev_id, struct pt_regs *regs) RD_REG_WORD(®->hccr); /* Get mailbox data. */ - mbx = RD_MAILBOX_REG(ha, reg, 0); - if (mbx > 0x3fff && mbx < 0x8000) { - qla2x00_mbx_completion(ha, (uint16_t)mbx); + mb[0] = RD_MAILBOX_REG(ha, reg, 0); + if (mb[0] > 0x3fff && mb[0] < 0x8000) { + qla2x00_mbx_completion(ha, mb[0]); status |= MBX_INTERRUPT; - } else if (mbx > 0x7fff && mbx < 0xc000) { - qla2x00_async_event(ha, mbx); + } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { + mb[1] = RD_MAILBOX_REG(ha, reg, 1); + mb[2] = RD_MAILBOX_REG(ha, reg, 2); + mb[3] = RD_MAILBOX_REG(ha, reg, 3); + qla2x00_async_event(ha, mb); } else { /*EMPTY*/ DEBUG2(printk("scsi(%ld): Unrecognized " - "interrupt type (%d)\n", - ha->host_no, mbx)); + "interrupt type (%d).\n", + ha->host_no, mb[0])); } /* Release mailbox registers. */ WRT_REG_WORD(®->semaphore, 0); @@ -123,8 +129,8 @@ qla2300_intr_handler(int irq, void *dev_id, struct pt_regs *regs) unsigned long flags; unsigned long iter; uint32_t stat; - uint32_t mbx; uint16_t hccr; + uint16_t mb[4]; ha = (scsi_qla_host_t *) dev_id; if (!ha) { @@ -146,7 +152,7 @@ qla2300_intr_handler(int irq, void *dev_id, struct pt_regs *regs) "Parity error -- HCCR=%x.\n", hccr); else qla_printk(KERN_INFO, ha, - "RISC paused -- HCCR=%x\n", hccr); + "RISC paused -- HCCR=%x.\n", hccr); /* * Issue a "HARD" reset in order for the RISC @@ -160,35 +166,41 @@ qla2300_intr_handler(int irq, void *dev_id, struct pt_regs *regs) } else if ((stat & HSR_RISC_INT) == 0) break; - mbx = MSW(stat); switch (stat & 0xff) { - case 0x13: - qla2x00_process_response_queue(ha); - break; case 0x1: case 0x2: case 0x10: case 0x11: - qla2x00_mbx_completion(ha, (uint16_t)mbx); + qla2x00_mbx_completion(ha, MSW(stat)); status |= MBX_INTERRUPT; /* Release mailbox registers. */ WRT_REG_WORD(®->semaphore, 0); break; case 0x12: - qla2x00_async_event(ha, mbx); + mb[0] = MSW(stat); + mb[1] = RD_MAILBOX_REG(ha, reg, 1); + mb[2] = RD_MAILBOX_REG(ha, reg, 2); + mb[3] = RD_MAILBOX_REG(ha, reg, 3); + qla2x00_async_event(ha, mb); + break; + case 0x13: + qla2x00_process_response_queue(ha); break; case 0x15: - mbx = mbx << 16 | MBA_CMPLT_1_16BIT; - qla2x00_async_event(ha, mbx); + mb[0] = MBA_CMPLT_1_16BIT; + mb[1] = MSW(stat); + qla2x00_async_event(ha, mb); break; case 0x16: - mbx = mbx << 16 | MBA_SCSI_COMPLETION; - qla2x00_async_event(ha, mbx); + mb[0] = MBA_SCSI_COMPLETION; + mb[1] = MSW(stat); + mb[2] = RD_MAILBOX_REG(ha, reg, 2); + qla2x00_async_event(ha, mb); break; default: DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " - "(%d)\n", + "(%d).\n", ha->host_no, stat & 0xff)); break; } @@ -250,14 +262,14 @@ qla2x00_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0) /** * qla2x00_async_event() - Process aynchronous events. * @ha: SCSI driver HA context - * @mb0: Mailbox0 register + * @mb: Mailbox registers (0 - 3) */ static void -qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) +qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) { - static char *link_speeds[5] = { "1", "2", "4", "?", "10" }; +#define LS_UNKNOWN 2 + static char *link_speeds[5] = { "1", "2", "?", "4", "10" }; char *link_speed; - uint16_t mb[4]; uint16_t handle_cnt; uint16_t cnt; uint32_t handles[5]; @@ -267,61 +279,48 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) /* Setup to process RIO completion. */ handle_cnt = 0; - mb[0] = LSW(mbx); switch (mb[0]) { case MBA_SCSI_COMPLETION: - if (IS_QLA2100(ha) || IS_QLA2200(ha)) - handles[0] = le32_to_cpu( - ((uint32_t)(RD_MAILBOX_REG(ha, reg, 2) << 16)) | - RD_MAILBOX_REG(ha, reg, 1)); - else - handles[0] = le32_to_cpu( - ((uint32_t)(RD_MAILBOX_REG(ha, reg, 2) << 16)) | - MSW(mbx)); + handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); handle_cnt = 1; break; case MBA_CMPLT_1_16BIT: - if (IS_QLA2100(ha) || IS_QLA2200(ha)) - handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1); - else - handles[0] = MSW(mbx); + handles[0] = mb[1]; handle_cnt = 1; mb[0] = MBA_SCSI_COMPLETION; break; case MBA_CMPLT_2_16BIT: - handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1); - handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2); + handles[0] = mb[1]; + handles[1] = mb[2]; handle_cnt = 2; mb[0] = MBA_SCSI_COMPLETION; break; case MBA_CMPLT_3_16BIT: - handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1); - handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2); - handles[2] = (uint32_t)RD_MAILBOX_REG(ha, reg, 3); + handles[0] = mb[1]; + handles[1] = mb[2]; + handles[2] = mb[3]; handle_cnt = 3; mb[0] = MBA_SCSI_COMPLETION; break; case MBA_CMPLT_4_16BIT: - handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1); - handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2); - handles[2] = (uint32_t)RD_MAILBOX_REG(ha, reg, 3); + handles[0] = mb[1]; + handles[1] = mb[2]; + handles[2] = mb[3]; handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); handle_cnt = 4; mb[0] = MBA_SCSI_COMPLETION; break; case MBA_CMPLT_5_16BIT: - handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1); - handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2); - handles[2] = (uint32_t)RD_MAILBOX_REG(ha, reg, 3); + handles[0] = mb[1]; + handles[1] = mb[2]; + handles[2] = mb[3]; handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); handle_cnt = 5; mb[0] = MBA_SCSI_COMPLETION; break; case MBA_CMPLT_2_32BIT: - handles[0] = le32_to_cpu( - ((uint32_t)(RD_MAILBOX_REG(ha, reg, 2) << 16)) | - RD_MAILBOX_REG(ha, reg, 1)); + handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); handles[1] = le32_to_cpu( ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | RD_MAILBOX_REG(ha, reg, 6)); @@ -358,7 +357,15 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) ha->isp_ops.fw_dump(ha, 1); - if (mb[1] == 0) { + if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { + if (mb[1] == 0 && mb[2] == 0) { + qla_printk(KERN_ERR, ha, + "Unrecoverable Hardware Error: adapter " + "marked OFFLINE!\n"); + ha->flags.online = 0; + } else + set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); + } else if (mb[1] == 0) { qla_printk(KERN_INFO, ha, "Unrecoverable Hardware Error: adapter marked " "OFFLINE!\n"); @@ -389,8 +396,6 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) break; case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ - mb[1] = RD_MAILBOX_REG(ha, reg, 1); - DEBUG2(printk("scsi(%ld): LIP occured (%x).\n", ha->host_no, mb[1])); qla_printk(KERN_INFO, ha, "LIP occured (%x).\n", mb[1]); @@ -411,13 +416,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) break; case MBA_LOOP_UP: /* Loop Up Event */ - mb[1] = RD_MAILBOX_REG(ha, reg, 1); - ha->link_data_rate = 0; if (IS_QLA2100(ha) || IS_QLA2200(ha)) { link_speed = link_speeds[0]; } else { - link_speed = link_speeds[3]; + link_speed = link_speeds[LS_UNKNOWN]; if (mb[1] < 5) link_speed = link_speeds[mb[1]]; ha->link_data_rate = mb[1]; @@ -435,9 +438,9 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) break; case MBA_LOOP_DOWN: /* Loop Down Event */ - DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN.\n", - ha->host_no)); - qla_printk(KERN_INFO, ha, "LOOP DOWN detected.\n"); + DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN (%x).\n", + ha->host_no, mb[1])); + qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x).\n", mb[1]); if (atomic_read(&ha->loop_state) != LOOP_DOWN) { atomic_set(&ha->loop_state, LOOP_DOWN); @@ -454,8 +457,6 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) break; case MBA_LIP_RESET: /* LIP reset occurred */ - mb[1] = RD_MAILBOX_REG(ha, reg, 1); - DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", ha->host_no, mb[1])); qla_printk(KERN_INFO, ha, @@ -506,8 +507,6 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) if (IS_QLA2100(ha)) break; - mb[1] = RD_MAILBOX_REG(ha, reg, 1); - DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection " "received.\n", ha->host_no)); @@ -527,16 +526,14 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) break; case MBA_PORT_UPDATE: /* Port database update */ - mb[1] = RD_MAILBOX_REG(ha, reg, 1); - mb[2] = RD_MAILBOX_REG(ha, reg, 2); - /* * If a single remote port just logged into (or logged out of) * us, create a new entry in our rscn fcports list and handle * the event like an RSCN. */ if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA6312(ha) && - !IS_QLA6322(ha) && ha->flags.init_done && mb[1] != 0xffff && + !IS_QLA6322(ha) && !IS_QLA24XX(ha) && !IS_QLA25XX(ha) && + ha->flags.init_done && mb[1] != 0xffff && ((ha->operating_mode == P2P && mb[1] != 0) || (ha->operating_mode != P2P && mb[1] != SNS_FIRST_LOOP_ID)) && (mb[2] == 6 || mb[2] == 7)) { @@ -547,8 +544,9 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) rscn_fcport = qla2x00_alloc_rscn_fcport(ha, GFP_ATOMIC); if (rscn_fcport) { DEBUG14(printk("scsi(%ld): Port Update -- " - "creating RSCN fcport %p for %x/%x.\n", - ha->host_no, rscn_fcport, mb[1], mb[2])); + "creating RSCN fcport %p for %x/%x/%x.\n", + ha->host_no, rscn_fcport, mb[1], mb[2], + mb[3])); rscn_fcport->loop_id = mb[1]; rscn_fcport->d_id.b24 = INVALID_PORT_ID; @@ -577,15 +575,16 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) if (atomic_read(&ha->loop_state) != LOOP_DOWN && atomic_read(&ha->loop_state) != LOOP_DEAD) { DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE " - "ignored.\n", ha->host_no)); + "ignored %04x/%04x/%04x.\n", ha->host_no, mb[1], + mb[2], mb[3])); break; } DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n", ha->host_no)); DEBUG(printk(KERN_INFO - "scsi(%ld): Port database changed %04x %04x.\n", - ha->host_no, mb[1], mb[2])); + "scsi(%ld): Port database changed %04x %04x %04x.\n", + ha->host_no, mb[1], mb[2], mb[3])); /* * Mark all devices as missing so we will login again. @@ -604,9 +603,6 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) break; case MBA_RSCN_UPDATE: /* State Change Registration */ - mb[1] = RD_MAILBOX_REG(ha, reg, 1); - mb[2] = RD_MAILBOX_REG(ha, reg, 2); - DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", ha->host_no)); DEBUG(printk(KERN_INFO @@ -655,6 +651,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx) qla2x00_process_response_queue(ha); break; + + case MBA_DISCARD_RND_FRAME: + DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x " + "%04x.\n", ha->host_no, mb[1], mb[2], mb[3])); + break; } } @@ -801,31 +802,41 @@ qla2x00_process_response_queue(struct scsi_qla_host *ha) * @pkt: Entry pointer */ static void -qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) +qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) { - unsigned b, t, l; srb_t *sp; fc_port_t *fcport; struct scsi_cmnd *cp; + sts_entry_t *sts; + struct sts_entry_24xx *sts24; uint16_t comp_status; uint16_t scsi_status; uint8_t lscsi_status; int32_t resid; - uint8_t sense_sz = 0; - uint16_t rsp_info_len; + uint32_t sense_len, rsp_info_len, resid_len; + uint8_t *rsp_info, *sense_data; + + sts = (sts_entry_t *) pkt; + sts24 = (struct sts_entry_24xx *) pkt; + if (IS_QLA24XX(ha) || IS_QLA25XX(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; + } /* Fast path completion. */ - if (le16_to_cpu(pkt->comp_status) == CS_COMPLETE && - (le16_to_cpu(pkt->scsi_status) & SS_MASK) == 0) { - qla2x00_process_completed_request(ha, pkt->handle); + if (comp_status == CS_COMPLETE && scsi_status == 0) { + qla2x00_process_completed_request(ha, sts->handle); return; } /* Validate handle. */ - if (pkt->handle < MAX_OUTSTANDING_COMMANDS) { - sp = ha->outstanding_cmds[pkt->handle]; - ha->outstanding_cmds[pkt->handle] = NULL; + if (sts->handle < MAX_OUTSTANDING_COMMANDS) { + sp = ha->outstanding_cmds[sts->handle]; + ha->outstanding_cmds[sts->handle] = NULL; } else sp = NULL; @@ -844,40 +855,49 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) if (cp == NULL) { DEBUG2(printk("scsi(%ld): Command already returned back to OS " "pkt->handle=%d sp=%p sp->state:%d\n", - ha->host_no, pkt->handle, sp, sp->state)); + ha->host_no, sts->handle, sp, sp->state)); qla_printk(KERN_WARNING, ha, "Command is NULL: already returned to OS (sp=%p)\n", sp); return; } - comp_status = le16_to_cpu(pkt->comp_status); - /* Mask of reserved bits 12-15, before we examine the scsi status */ - scsi_status = le16_to_cpu(pkt->scsi_status) & SS_MASK; - lscsi_status = scsi_status & STATUS_MASK; - - CMD_ENTRY_STATUS(cp) = pkt->entry_status; + lscsi_status = scsi_status & STATUS_MASK; + CMD_ENTRY_STATUS(cp) = sts->entry_status; CMD_COMPL_STATUS(cp) = comp_status; CMD_SCSI_STATUS(cp) = scsi_status; - /* Generate LU queue on cntrl, target, LUN */ - b = cp->device->channel; - t = cp->device->id; - l = cp->device->lun, - fcport = sp->fcport; + sense_len = rsp_info_len = resid_len = 0; + if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { + sense_len = le32_to_cpu(sts24->sense_len); + rsp_info_len = le32_to_cpu(sts24->rsp_data_len); + resid_len = le32_to_cpu(sts24->rsp_residual_count); + rsp_info = sts24->data; + sense_data = sts24->data; + host_to_fcp_swap(sts24->data, sizeof(sts24->data)); + } else { + sense_len = le16_to_cpu(sts->req_sense_length); + rsp_info_len = le16_to_cpu(sts->rsp_info_len); + resid_len = le32_to_cpu(sts->residual_length); + rsp_info = sts->rsp_info; + sense_data = sts->req_sense_data; + } + /* Check for any FCP transport errors. */ if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { - rsp_info_len = le16_to_cpu(pkt->rsp_info_len); - if (rsp_info_len > 3 && pkt->rsp_info[3]) { + /* Sense data lies beyond any FCP RESPONSE data. */ + if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) + sense_data += rsp_info_len; + if (rsp_info_len > 3 && rsp_info[3]) { DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol " "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..." - "retrying command\n", ha->host_no, b, t, l, - rsp_info_len, pkt->rsp_info[0], pkt->rsp_info[1], - pkt->rsp_info[2], pkt->rsp_info[3], - pkt->rsp_info[4], pkt->rsp_info[5], - pkt->rsp_info[6], pkt->rsp_info[7])); + "retrying command\n", ha->host_no, + cp->device->channel, cp->device->id, + cp->device->lun, rsp_info_len, rsp_info[0], + rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4], + rsp_info[5], rsp_info[6], rsp_info[7])); cp->result = DID_BUS_BUSY << 16; qla2x00_sp_compl(ha, sp); @@ -895,7 +915,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) break; } if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { - resid = le32_to_cpu(pkt->residual_length); + resid = resid_len; cp->resid = resid; CMD_RESID_LEN(cp) = resid; } @@ -904,39 +924,34 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) if (lscsi_status != SS_CHECK_CONDITION) break; - /* - * Copy Sense Data into sense buffer - */ + /* Copy Sense Data into sense buffer. */ memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer)); if (!(scsi_status & SS_SENSE_LEN_VALID)) break; - if (le16_to_cpu(pkt->req_sense_length) < - sizeof(cp->sense_buffer)) - sense_sz = le16_to_cpu(pkt->req_sense_length); - else - sense_sz = sizeof(cp->sense_buffer); + if (sense_len >= sizeof(cp->sense_buffer)) + sense_len = sizeof(cp->sense_buffer); - CMD_ACTUAL_SNSLEN(cp) = sense_sz; - sp->request_sense_length = sense_sz; + CMD_ACTUAL_SNSLEN(cp) = sense_len; + sp->request_sense_length = sense_len; sp->request_sense_ptr = cp->sense_buffer; if (sp->request_sense_length > 32) - sense_sz = 32; + sense_len = 32; - memcpy(cp->sense_buffer, pkt->req_sense_data, sense_sz); + memcpy(cp->sense_buffer, sense_data, sense_len); - sp->request_sense_ptr += sense_sz; - sp->request_sense_length -= sense_sz; + sp->request_sense_ptr += sense_len; + sp->request_sense_length -= sense_len; if (sp->request_sense_length != 0) ha->status_srb = sp; DEBUG5(printk("%s(): Check condition Sense data, " - "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", - __func__, ha->host_no, b, t, l, cp, - cp->serial_number)); - if (sense_sz) + "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", __func__, + ha->host_no, cp->device->channel, cp->device->id, + cp->device->lun, cp, cp->serial_number)); + if (sense_len) DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, CMD_ACTUAL_SNSLEN(cp))); break; @@ -944,9 +959,10 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) case CS_DATA_UNDERRUN: DEBUG2(printk(KERN_INFO "scsi(%ld:%d:%d) UNDERRUN status detected 0x%x-0x%x.\n", - ha->host_no, t, l, comp_status, scsi_status)); + ha->host_no, cp->device->id, cp->device->lun, comp_status, + scsi_status)); - resid = le32_to_cpu(pkt->residual_length); + resid = resid_len; if (scsi_status & SS_RESIDUAL_UNDER) { cp->resid = resid; CMD_RESID_LEN(cp) = resid; @@ -968,31 +984,30 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) if (!(scsi_status & SS_SENSE_LEN_VALID)) break; - if (le16_to_cpu(pkt->req_sense_length) < - sizeof(cp->sense_buffer)) - sense_sz = le16_to_cpu(pkt->req_sense_length); - else - sense_sz = sizeof(cp->sense_buffer); + if (sense_len >= sizeof(cp->sense_buffer)) + sense_len = sizeof(cp->sense_buffer); - CMD_ACTUAL_SNSLEN(cp) = sense_sz; - sp->request_sense_length = sense_sz; + CMD_ACTUAL_SNSLEN(cp) = sense_len; + sp->request_sense_length = sense_len; sp->request_sense_ptr = cp->sense_buffer; if (sp->request_sense_length > 32) - sense_sz = 32; + sense_len = 32; - memcpy(cp->sense_buffer, pkt->req_sense_data, sense_sz); + memcpy(cp->sense_buffer, sense_data, sense_len); - sp->request_sense_ptr += sense_sz; - sp->request_sense_length -= sense_sz; + sp->request_sense_ptr += sense_len; + sp->request_sense_length -= sense_len; if (sp->request_sense_length != 0) ha->status_srb = sp; DEBUG5(printk("%s(): Check condition Sense data, " "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", - __func__, ha->host_no, b, t, l, cp, + __func__, ha->host_no, cp->device->channel, + cp->device->id, cp->device->lun, cp, cp->serial_number)); - if (sense_sz) + + if (sense_len) DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, CMD_ACTUAL_SNSLEN(cp))); } else { @@ -1004,8 +1019,9 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) if (!(scsi_status & SS_RESIDUAL_UNDER)) { DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped " "frame(s) detected (%x of %x bytes)..." - "retrying command.\n", - ha->host_no, b, t, l, resid, + "retrying command.\n", ha->host_no, + cp->device->channel, cp->device->id, + cp->device->lun, resid, cp->request_bufflen)); cp->result = DID_BUS_BUSY << 16; @@ -1018,8 +1034,9 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d:%d): Mid-layer underflow " "detected (%x of %x bytes)...returning " - "error status.\n", - ha->host_no, b, t, l, resid, + "error status.\n", ha->host_no, + cp->device->channel, cp->device->id, + cp->device->lun, resid, cp->request_bufflen); cp->result = DID_ERROR << 16; @@ -1034,7 +1051,8 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) case CS_DATA_OVERRUN: DEBUG2(printk(KERN_INFO "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n", - ha->host_no, t, l, comp_status, scsi_status)); + ha->host_no, cp->device->id, cp->device->lun, comp_status, + scsi_status)); DEBUG2(printk(KERN_INFO "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], @@ -1042,8 +1060,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) DEBUG2(printk(KERN_INFO "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR " "status!\n", - cp->serial_number, cp->request_bufflen, - le32_to_cpu(pkt->residual_length))); + cp->serial_number, cp->request_bufflen, resid_len)); cp->result = DID_ERROR << 16; break; @@ -1060,7 +1077,8 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) */ DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down " "pid=%ld, compl status=0x%x, port state=0x%x\n", - ha->host_no, t, l, cp->serial_number, comp_status, + ha->host_no, cp->device->id, cp->device->lun, + cp->serial_number, comp_status, atomic_read(&fcport->state))); cp->result = DID_BUS_BUSY << 16; @@ -1091,17 +1109,25 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) break; case CS_TIMEOUT: + cp->result = DID_BUS_BUSY << 16; + + if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { + DEBUG2(printk(KERN_INFO + "scsi(%ld:%d:%d:%d): TIMEOUT status detected " + "0x%x-0x%x\n", ha->host_no, cp->device->channel, + cp->device->id, cp->device->lun, comp_status, + scsi_status)); + break; + } DEBUG2(printk(KERN_INFO "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x " - "sflags=%x.\n", ha->host_no, b, t, l, comp_status, - scsi_status, le16_to_cpu(pkt->status_flags))); - - cp->result = DID_BUS_BUSY << 16; + "sflags=%x.\n", ha->host_no, cp->device->channel, + cp->device->id, cp->device->lun, comp_status, scsi_status, + le16_to_cpu(sts->status_flags))); - /* Check to see if logout occurred */ - if ((le16_to_cpu(pkt->status_flags) & SF_LOGOUT_SENT)) { + /* Check to see if logout occurred. */ + if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) qla2x00_mark_device_lost(ha, fcport, 1); - } break; case CS_QUEUE_FULL: @@ -1117,8 +1143,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) default: DEBUG3(printk("scsi(%ld): Error detected (unknown status) " - "0x%x-0x%x.\n", - ha->host_no, comp_status, scsi_status)); + "0x%x-0x%x.\n", ha->host_no, comp_status, scsi_status)); qla_printk(KERN_INFO, ha, "Unknown status detected 0x%x-0x%x.\n", comp_status, scsi_status); @@ -1166,6 +1191,8 @@ qla2x00_status_cont_entry(scsi_qla_host_t *ha, sts_cont_entry_t *pkt) } /* Move sense data. */ + if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) + host_to_fcp_swap(pkt->data, sizeof(pkt->data)); memcpy(sp->request_sense_ptr, pkt->data, sense_sz); DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz)); @@ -1186,7 +1213,7 @@ qla2x00_status_cont_entry(scsi_qla_host_t *ha, sts_cont_entry_t *pkt) * @pkt: Entry pointer */ static void -qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) +qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) { srb_t *sp; @@ -1228,15 +1255,15 @@ qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) } qla2x00_sp_compl(ha, sp); - } else if (pkt->entry_type == COMMAND_A64_TYPE || - pkt->entry_type == COMMAND_TYPE) { + } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == + COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) { DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n", ha->host_no)); qla_printk(KERN_WARNING, ha, "Error entry - invalid handle\n"); set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); - if (ha->dpc_wait && !ha->dpc_active) + if (ha->dpc_wait && !ha->dpc_active) up(ha->dpc_wait); } } @@ -1247,7 +1274,7 @@ qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt) * @index: Response queue out pointer */ static void -qla2x00_ms_entry(scsi_qla_host_t *ha, ms_iocb_entry_t *pkt) +qla2x00_ms_entry(scsi_qla_host_t *ha, ms_iocb_entry_t *pkt) { srb_t *sp; @@ -1277,3 +1304,230 @@ qla2x00_ms_entry(scsi_qla_host_t *ha, ms_iocb_entry_t *pkt) qla2x00_sp_compl(ha, sp); } + + +/** + * qla24xx_mbx_completion() - Process mailbox command completions. + * @ha: SCSI driver HA context + * @mb0: Mailbox0 register + */ +static void +qla24xx_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0) +{ + uint16_t cnt; + uint16_t __iomem *wptr; + struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; + + /* Load return mailbox registers. */ + ha->flags.mbox_int = 1; + ha->mailbox_out[0] = mb0; + wptr = (uint16_t __iomem *)®->mailbox1; + + for (cnt = 1; cnt < ha->mbx_count; cnt++) { + ha->mailbox_out[cnt] = RD_REG_WORD(wptr); + wptr++; + } + + if (ha->mcp) { + DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n", + __func__, ha->host_no, ha->mcp->mb[0])); + } else { + DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n", + __func__, ha->host_no)); + } +} + +/** + * qla24xx_process_response_queue() - Process response queue entries. + * @ha: SCSI driver HA context + */ +void +qla24xx_process_response_queue(struct scsi_qla_host *ha) +{ + struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; + struct sts_entry_24xx *pkt; + + if (!ha->flags.online) + return; + + while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) { + pkt = (struct sts_entry_24xx *)ha->response_ring_ptr; + + ha->rsp_ring_index++; + if (ha->rsp_ring_index == ha->response_q_length) { + ha->rsp_ring_index = 0; + ha->response_ring_ptr = ha->response_ring; + } else { + ha->response_ring_ptr++; + } + + if (pkt->entry_status != 0) { + DEBUG3(printk(KERN_INFO + "scsi(%ld): Process error entry.\n", ha->host_no)); + + //FIXME + qla2x00_error_entry(ha, (sts_entry_t *) pkt); + ((response_t *)pkt)->signature = RESPONSE_PROCESSED; + wmb(); + continue; + } + + switch (pkt->entry_type) { + case STATUS_TYPE: + qla2x00_status_entry(ha, pkt); + break; + case STATUS_CONT_TYPE: + qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt); + break; + case MS_IOCB_TYPE: + qla24xx_ms_entry(ha, (struct ct_entry_24xx *)pkt); + break; + default: + /* Type Not Supported. */ + DEBUG4(printk(KERN_WARNING + "scsi(%ld): Received unknown response pkt type %x " + "entry status=%x.\n", + ha->host_no, pkt->entry_type, pkt->entry_status)); + break; + } + ((response_t *)pkt)->signature = RESPONSE_PROCESSED; + wmb(); + } + + /* Adjust ring index */ + WRT_REG_DWORD(®->rsp_q_out, ha->rsp_ring_index); +} + +/** + * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. + * @irq: + * @dev_id: SCSI driver HA context + * @regs: + * + * Called by system whenever the host adapter generates an interrupt. + * + * Returns handled flag. + */ +irqreturn_t +qla24xx_intr_handler(int irq, void *dev_id, struct pt_regs *regs) +{ + scsi_qla_host_t *ha; + struct device_reg_24xx __iomem *reg; + int status; + unsigned long flags; + unsigned long iter; + uint32_t stat; + uint32_t hccr; + uint16_t mb[4]; + + ha = (scsi_qla_host_t *) dev_id; + if (!ha) { + printk(KERN_INFO + "%s(): NULL host pointer\n", __func__); + return IRQ_NONE; + } + + reg = &ha->iobase->isp24; + status = 0; + + spin_lock_irqsave(&ha->hardware_lock, flags); + for (iter = 50; iter--; ) { + stat = RD_REG_DWORD(®->host_status); + if (stat & HSRX_RISC_PAUSED) { + hccr = RD_REG_DWORD(®->hccr); + + qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, " + "Dumping firmware!\n", hccr); + qla24xx_fw_dump(ha, 1); + + set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); + break; + } else if ((stat & HSRX_RISC_INT) == 0) + break; + + switch (stat & 0xff) { + case 0x1: + case 0x2: + case 0x10: + case 0x11: + qla24xx_mbx_completion(ha, MSW(stat)); + status |= MBX_INTERRUPT; + + break; + case 0x12: + mb[0] = MSW(stat); + mb[1] = RD_REG_WORD(®->mailbox1); + mb[2] = RD_REG_WORD(®->mailbox2); + mb[3] = RD_REG_WORD(®->mailbox3); + qla2x00_async_event(ha, mb); + break; + case 0x13: + qla24xx_process_response_queue(ha); + break; + default: + DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " + "(%d).\n", + ha->host_no, stat & 0xff)); + break; + } + WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); + RD_REG_DWORD_RELAXED(®->hccr); + } + spin_unlock_irqrestore(&ha->hardware_lock, flags); + + if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && + (status & MBX_INTERRUPT) && ha->flags.mbox_int) { + spin_lock_irqsave(&ha->mbx_reg_lock, flags); + + set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); + up(&ha->mbx_intr_sem); + + spin_unlock_irqrestore(&ha->mbx_reg_lock, flags); + } + + return IRQ_HANDLED; +} + +/** + * qla24xx_ms_entry() - Process a Management Server entry. + * @ha: SCSI driver HA context + * @index: Response queue out pointer + */ +static void +qla24xx_ms_entry(scsi_qla_host_t *ha, struct ct_entry_24xx *pkt) +{ + srb_t *sp; + + DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n", + __func__, ha->host_no, pkt, pkt->handle)); + + DEBUG9(printk("%s: ct pkt dump:\n", __func__);) + DEBUG9(qla2x00_dump_buffer((void *)pkt, sizeof(struct ct_entry_24xx));) + + /* Validate handle. */ + if (pkt->handle < MAX_OUTSTANDING_COMMANDS) + sp = ha->outstanding_cmds[pkt->handle]; + else + sp = NULL; + + if (sp == NULL) { + DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n", + ha->host_no)); + DEBUG10(printk("scsi(%ld): MS entry - invalid handle\n", + ha->host_no)); + qla_printk(KERN_WARNING, ha, "MS entry - invalid handle %d\n", + pkt->handle); + + set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); + return; + } + + CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->comp_status); + CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status; + + /* Free outstanding command slot. */ + ha->outstanding_cmds[pkt->handle] = NULL; + + qla2x00_sp_compl(ha, sp); +} + |