static int qla2x00_fw_ready(scsi_qla_host_t *);
static int qla2x00_configure_hba(scsi_qla_host_t *);
static int qla2x00_nvram_config(scsi_qla_host_t *);
-static void qla2x00_init_tgt_map(scsi_qla_host_t *);
static int qla2x00_configure_loop(scsi_qla_host_t *);
static int qla2x00_configure_local_loop(scsi_qla_host_t *);
static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
-static void qla2x00_lun_discovery(scsi_qla_host_t *, fc_port_t *);
-static int qla2x00_rpt_lun_discovery(scsi_qla_host_t *, fc_port_t *,
- inq_cmd_rsp_t *, dma_addr_t);
-static int qla2x00_report_lun(scsi_qla_host_t *, fc_port_t *);
-static fc_lun_t *qla2x00_cfg_lun(scsi_qla_host_t *, fc_port_t *, uint16_t,
- inq_cmd_rsp_t *, dma_addr_t);
-static fc_lun_t * qla2x00_add_lun(fc_port_t *, uint16_t);
-static int qla2x00_inquiry(scsi_qla_host_t *, fc_port_t *, uint16_t,
- inq_cmd_rsp_t *, dma_addr_t);
static int qla2x00_configure_fabric(scsi_qla_host_t *);
static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
static int qla2x00_device_resync(scsi_qla_host_t *);
static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
uint16_t *);
-static void qla2x00_config_os(scsi_qla_host_t *ha);
-static uint16_t qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport);
-static os_lun_t * qla2x00_fclun_bind(scsi_qla_host_t *, fc_port_t *,
- fc_lun_t *);
-static void qla2x00_lun_free(scsi_qla_host_t *, uint16_t, uint16_t);
static int qla2x00_restart_isp(scsi_qla_host_t *);
static void qla2x00_reset_adapter(scsi_qla_host_t *);
-static os_tgt_t *qla2x00_tgt_alloc(scsi_qla_host_t *, uint16_t);
-static os_lun_t *qla2x00_lun_alloc(scsi_qla_host_t *, uint16_t, uint16_t);
/****************************************************************************/
/* QLogic ISP2x00 Hardware Support Functions. */
qla2x00_reset_chip(ha);
- /* Initialize target map database. */
- qla2x00_init_tgt_map(ha);
-
qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
qla2x00_nvram_config(ha);
return (rval);
}
-/*
-* qla2x00_init_tgt_map
-* Initializes target map.
-*
-* Input:
-* ha = adapter block pointer.
-*
-* Output:
-* TGT_Q initialized
-*/
-static void
-qla2x00_init_tgt_map(scsi_qla_host_t *ha)
-{
- uint32_t t;
-
- for (t = 0; t < MAX_TARGETS; t++)
- TGT_Q(ha, t) = (os_tgt_t *)NULL;
-}
-
/**
* qla2x00_alloc_fcport() - Allocate a generic fcport.
* @ha: HA context
fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
atomic_set(&fcport->state, FCS_UNCONFIGURED);
fcport->flags = FCF_RLC_SUPPORT;
- INIT_LIST_HEAD(&fcport->fcluns);
return (fcport);
}
test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
rval = QLA_FUNCTION_FAILED;
} else {
- qla2x00_config_os(ha);
atomic_set(&ha->loop_state, LOOP_READY);
DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
if (fcport->flags & FCF_TAPE_PRESENT) {
spin_lock_irqsave(&ha->hardware_lock, flags);
for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
+ fc_port_t *sfcp;
+
if ((sp = ha->outstanding_cmds[index]) != 0) {
- if (sp->fclun->fcport == fcport) {
+ sfcp = sp->fcport;
+ if (sfcp == fcport) {
atomic_set(&fcport->state, FCS_ONLINE);
spin_unlock_irqrestore(
&ha->hardware_lock, flags);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
- /* Do LUN discovery. */
if (fcport->port_type == FCT_INITIATOR ||
- fcport->port_type == FCT_BROADCAST) {
+ fcport->port_type == FCT_BROADCAST)
fcport->device_type = TYPE_PROCESSOR;
- } else {
- qla2x00_lun_discovery(ha, fcport);
- }
+
atomic_set(&fcport->state, FCS_ONLINE);
+
if (ha->flags.init_done)
qla2x00_reg_remote_port(ha, fcport);
}
qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
{
struct fc_rport_identifiers rport_ids;
+ struct fc_rport *rport;
if (fcport->rport) {
fc_remote_port_unblock(fcport->rport);
if (fcport->port_type == FCT_TARGET)
rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
- fcport->rport = fc_remote_port_add(ha->host, 0, &rport_ids);
- if (!fcport->rport)
+ fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
+ if (!rport)
qla_printk(KERN_WARNING, ha,
"Unable to allocate fc remote port!\n");
-}
-/*
- * qla2x00_lun_discovery
- * Issue SCSI inquiry command for LUN discovery.
- *
- * Input:
- * ha: adapter state pointer.
- * fcport: FC port structure pointer.
- *
- * Context:
- * Kernel context.
- */
-static void
-qla2x00_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport)
-{
- inq_cmd_rsp_t *inq;
- dma_addr_t inq_dma;
- uint16_t lun;
-
- inq = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &inq_dma);
- if (inq == NULL) {
- qla_printk(KERN_WARNING, ha,
- "Memory Allocation failed - INQ\n");
- return;
- }
- /* Always add a fc_lun_t structure for lun 0 -- mid-layer requirement */
- qla2x00_add_lun(fcport, 0);
-
- /* If report LUN works, exit. */
- if (qla2x00_rpt_lun_discovery(ha, fcport, inq, inq_dma) !=
- QLA_SUCCESS) {
- for (lun = 0; lun < ha->max_probe_luns; lun++) {
- /* Configure LUN. */
- qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma);
- }
- }
+ if (rport->scsi_target_id != -1 && rport->scsi_target_id < MAX_TARGETS)
+ fcport->os_target_id = rport->scsi_target_id;
- dma_pool_free(ha->s_dma_pool, inq, inq_dma);
+ rport->dd_data = fcport;
}
-/*
- * qla2x00_rpt_lun_discovery
- * Issue SCSI report LUN command for LUN discovery.
- *
- * Input:
- * ha: adapter state pointer.
- * fcport: FC port structure pointer.
- *
- * Returns:
- * qla2x00 local function return status code.
- *
- * Context:
- * Kernel context.
- */
-static int
-qla2x00_rpt_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport,
- inq_cmd_rsp_t *inq, dma_addr_t inq_dma)
-{
- int rval;
- uint32_t len, cnt;
- uint16_t lun;
-
- /* Assume a failed status */
- rval = QLA_FUNCTION_FAILED;
-
- /* No point in continuing if the device doesn't support RLC */
- if ((fcport->flags & FCF_RLC_SUPPORT) == 0)
- return (rval);
-
- rval = qla2x00_report_lun(ha, fcport);
- if (rval != QLA_SUCCESS)
- return (rval);
-
- /* Configure LUN list. */
- len = be32_to_cpu(ha->rlc_rsp->list.hdr.len);
- len /= 8;
- for (cnt = 0; cnt < len; cnt++) {
- lun = CHAR_TO_SHORT(ha->rlc_rsp->list.lst[cnt].lsb,
- ha->rlc_rsp->list.lst[cnt].msb.b);
-
- DEBUG3(printk("scsi(%ld): RLC lun = (%d)\n", ha->host_no, lun));
-
- /* We only support 0 through MAX_LUNS-1 range */
- if (lun < MAX_LUNS) {
- qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma);
- }
- }
- atomic_set(&fcport->state, FCS_ONLINE);
-
- return (rval);
-}
-
-/*
- * qla2x00_report_lun
- * Issue SCSI report LUN command.
- *
- * Input:
- * ha: adapter state pointer.
- * fcport: FC port structure pointer.
- *
- * Returns:
- * qla2x00 local function return status code.
- *
- * Context:
- * Kernel context.
- */
-static int
-qla2x00_report_lun(scsi_qla_host_t *ha, fc_port_t *fcport)
-{
- int rval;
- uint16_t retries;
- uint16_t comp_status;
- uint16_t scsi_status;
- rpt_lun_cmd_rsp_t *rlc;
- dma_addr_t rlc_dma;
-
- rval = QLA_FUNCTION_FAILED;
- rlc = ha->rlc_rsp;
- rlc_dma = ha->rlc_rsp_dma;
-
- for (retries = 3; retries; retries--) {
- memset(rlc, 0, sizeof(rpt_lun_cmd_rsp_t));
- rlc->p.cmd.entry_type = COMMAND_A64_TYPE;
- rlc->p.cmd.entry_count = 1;
- SET_TARGET_ID(ha, rlc->p.cmd.target, fcport->loop_id);
- rlc->p.cmd.control_flags =
- __constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG);
- rlc->p.cmd.scsi_cdb[0] = REPORT_LUNS;
- rlc->p.cmd.scsi_cdb[8] = MSB(sizeof(rpt_lun_lst_t));
- rlc->p.cmd.scsi_cdb[9] = LSB(sizeof(rpt_lun_lst_t));
- rlc->p.cmd.dseg_count = __constant_cpu_to_le16(1);
- rlc->p.cmd.timeout = __constant_cpu_to_le16(10);
- rlc->p.cmd.byte_count =
- __constant_cpu_to_le32(sizeof(rpt_lun_lst_t));
- rlc->p.cmd.dseg_0_address[0] = cpu_to_le32(
- LSD(rlc_dma + sizeof(sts_entry_t)));
- rlc->p.cmd.dseg_0_address[1] = cpu_to_le32(
- MSD(rlc_dma + sizeof(sts_entry_t)));
- rlc->p.cmd.dseg_0_length =
- __constant_cpu_to_le32(sizeof(rpt_lun_lst_t));
-
- rval = qla2x00_issue_iocb(ha, rlc, rlc_dma,
- sizeof(rpt_lun_cmd_rsp_t));
-
- comp_status = le16_to_cpu(rlc->p.rsp.comp_status);
- scsi_status = le16_to_cpu(rlc->p.rsp.scsi_status);
-
- if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE ||
- scsi_status & SS_CHECK_CONDITION) {
-
- /* Device underrun, treat as OK. */
- if (rval == QLA_SUCCESS &&
- comp_status == CS_DATA_UNDERRUN &&
- scsi_status & SS_RESIDUAL_UNDER) {
-
- rval = QLA_SUCCESS;
- break;
- }
-
- DEBUG(printk("scsi(%ld): RLC failed to issue iocb! "
- "fcport=[%04x/%p] rval=%x cs=%x ss=%x\n",
- ha->host_no, fcport->loop_id, fcport, rval,
- comp_status, scsi_status));
-
- rval = QLA_FUNCTION_FAILED;
- if (scsi_status & SS_CHECK_CONDITION) {
- DEBUG2(printk("scsi(%ld): RLC "
- "SS_CHECK_CONDITION Sense Data "
- "%02x %02x %02x %02x %02x %02x %02x %02x\n",
- ha->host_no,
- rlc->p.rsp.req_sense_data[0],
- rlc->p.rsp.req_sense_data[1],
- rlc->p.rsp.req_sense_data[2],
- rlc->p.rsp.req_sense_data[3],
- rlc->p.rsp.req_sense_data[4],
- rlc->p.rsp.req_sense_data[5],
- rlc->p.rsp.req_sense_data[6],
- rlc->p.rsp.req_sense_data[7]));
- if (rlc->p.rsp.req_sense_data[2] ==
- ILLEGAL_REQUEST) {
- fcport->flags &= ~(FCF_RLC_SUPPORT);
- break;
- }
- }
- } else {
- break;
- }
- }
-
- return (rval);
-}
-
-/*
- * qla2x00_cfg_lun
- * Configures LUN into fcport LUN list.
- *
- * Input:
- * fcport: FC port structure pointer.
- * lun: LUN number.
- *
- * Context:
- * Kernel context.
- */
-static fc_lun_t *
-qla2x00_cfg_lun(scsi_qla_host_t *ha, fc_port_t *fcport, uint16_t lun,
- inq_cmd_rsp_t *inq, dma_addr_t inq_dma)
-{
- fc_lun_t *fclun;
- uint8_t device_type;
-
- /* Bypass LUNs that failed. */
- if (qla2x00_inquiry(ha, fcport, lun, inq, inq_dma) != QLA_SUCCESS) {
- DEBUG2(printk("scsi(%ld): Failed inquiry - loop id=0x%04x "
- "lun=%d\n", ha->host_no, fcport->loop_id, lun));
-
- return (NULL);
- }
- device_type = (inq->inq[0] & 0x1f);
- switch (device_type) {
- case TYPE_DISK:
- case TYPE_PROCESSOR:
- case TYPE_WORM:
- case TYPE_ROM:
- case TYPE_SCANNER:
- case TYPE_MOD:
- case TYPE_MEDIUM_CHANGER:
- case TYPE_ENCLOSURE:
- case 0x20:
- case 0x0C:
- break;
- case TYPE_TAPE:
- fcport->flags |= FCF_TAPE_PRESENT;
- break;
- default:
- DEBUG2(printk("scsi(%ld): Unsupported lun type -- "
- "loop id=0x%04x lun=%d type=%x\n",
- ha->host_no, fcport->loop_id, lun, device_type));
- return (NULL);
- }
-
- fcport->device_type = device_type;
- fclun = qla2x00_add_lun(fcport, lun);
-
- if (fclun != NULL) {
- atomic_set(&fcport->state, FCS_ONLINE);
- }
-
- return (fclun);
-}
-
-/*
- * qla2x00_add_lun
- * Adds LUN to database
- *
- * Input:
- * fcport: FC port structure pointer.
- * lun: LUN number.
- *
- * Context:
- * Kernel context.
- */
-static fc_lun_t *
-qla2x00_add_lun(fc_port_t *fcport, uint16_t lun)
-{
- int found;
- fc_lun_t *fclun;
-
- if (fcport == NULL) {
- DEBUG(printk("scsi: Unable to add lun to NULL port\n"));
- return (NULL);
- }
-
- /* Allocate LUN if not already allocated. */
- found = 0;
- list_for_each_entry(fclun, &fcport->fcluns, list) {
- if (fclun->lun == lun) {
- found++;
- break;
- }
- }
- if (found)
- return (NULL);
-
- fclun = kmalloc(sizeof(fc_lun_t), GFP_ATOMIC);
- if (fclun == NULL) {
- printk(KERN_WARNING
- "%s(): Memory Allocation failed - FCLUN\n",
- __func__);
- return (NULL);
- }
-
- /* Setup LUN structure. */
- memset(fclun, 0, sizeof(fc_lun_t));
- fclun->lun = lun;
- fclun->fcport = fcport;
- fclun->o_fcport = fcport;
- fclun->device_type = fcport->device_type;
- atomic_set(&fcport->state, FCS_UNCONFIGURED);
-
- list_add_tail(&fclun->list, &fcport->fcluns);
-
- return (fclun);
-}
-
-/*
- * qla2x00_inquiry
- * Issue SCSI inquiry command.
- *
- * Input:
- * ha = adapter block pointer.
- * fcport = FC port structure pointer.
- *
- * Return:
- * 0 - Success
- * BIT_0 - error
- *
- * Context:
- * Kernel context.
- */
-static int
-qla2x00_inquiry(scsi_qla_host_t *ha,
- fc_port_t *fcport, uint16_t lun, inq_cmd_rsp_t *inq, dma_addr_t inq_dma)
-{
- int rval;
- uint16_t retries;
- uint16_t comp_status;
- uint16_t scsi_status;
-
- rval = QLA_FUNCTION_FAILED;
-
- for (retries = 3; retries; retries--) {
- memset(inq, 0, sizeof(inq_cmd_rsp_t));
- inq->p.cmd.entry_type = COMMAND_A64_TYPE;
- inq->p.cmd.entry_count = 1;
- inq->p.cmd.lun = cpu_to_le16(lun);
- SET_TARGET_ID(ha, inq->p.cmd.target, fcport->loop_id);
- inq->p.cmd.control_flags =
- __constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG);
- inq->p.cmd.scsi_cdb[0] = INQUIRY;
- inq->p.cmd.scsi_cdb[4] = INQ_DATA_SIZE;
- inq->p.cmd.dseg_count = __constant_cpu_to_le16(1);
- inq->p.cmd.timeout = __constant_cpu_to_le16(10);
- inq->p.cmd.byte_count =
- __constant_cpu_to_le32(INQ_DATA_SIZE);
- inq->p.cmd.dseg_0_address[0] = cpu_to_le32(
- LSD(inq_dma + sizeof(sts_entry_t)));
- inq->p.cmd.dseg_0_address[1] = cpu_to_le32(
- MSD(inq_dma + sizeof(sts_entry_t)));
- inq->p.cmd.dseg_0_length =
- __constant_cpu_to_le32(INQ_DATA_SIZE);
-
- DEBUG5(printk("scsi(%ld): Lun Inquiry - fcport=[%04x/%p],"
- " lun (%d)\n",
- ha->host_no, fcport->loop_id, fcport, lun));
-
- rval = qla2x00_issue_iocb(ha, inq, inq_dma,
- sizeof(inq_cmd_rsp_t));
-
- comp_status = le16_to_cpu(inq->p.rsp.comp_status);
- scsi_status = le16_to_cpu(inq->p.rsp.scsi_status);
-
- DEBUG5(printk("scsi(%ld): lun (%d) inquiry - "
- "inq[0]= 0x%x, comp status 0x%x, scsi status 0x%x, "
- "rval=%d\n",
- ha->host_no, lun, inq->inq[0], comp_status, scsi_status,
- rval));
-
- if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE ||
- scsi_status & SS_CHECK_CONDITION) {
-
- DEBUG(printk("scsi(%ld): INQ failed to issue iocb! "
- "fcport=[%04x/%p] rval=%x cs=%x ss=%x\n",
- ha->host_no, fcport->loop_id, fcport, rval,
- comp_status, scsi_status));
-
- if (rval == QLA_SUCCESS)
- rval = QLA_FUNCTION_FAILED;
-
- if (scsi_status & SS_CHECK_CONDITION) {
- DEBUG2(printk("scsi(%ld): INQ "
- "SS_CHECK_CONDITION Sense Data "
- "%02x %02x %02x %02x %02x %02x %02x %02x\n",
- ha->host_no,
- inq->p.rsp.req_sense_data[0],
- inq->p.rsp.req_sense_data[1],
- inq->p.rsp.req_sense_data[2],
- inq->p.rsp.req_sense_data[3],
- inq->p.rsp.req_sense_data[4],
- inq->p.rsp.req_sense_data[5],
- inq->p.rsp.req_sense_data[6],
- inq->p.rsp.req_sense_data[7]));
- }
-
- /* Device underrun drop LUN. */
- if (comp_status == CS_DATA_UNDERRUN &&
- scsi_status & SS_RESIDUAL_UNDER) {
- break;
- }
- } else {
- break;
- }
- }
-
- return (rval);
-}
-
-
/*
* qla2x00_configure_fabric
* Setup SNS devices with loop ID's.
break;
}
- /* Login and update database */
- qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
-
/* Remove device from the new list and add it to DB */
list_del(&fcport->list);
list_add_tail(&fcport->list, &ha->fcports);
+
+ /* Login and update database */
+ qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
}
} while (0);
rescan_done = 1;
}
qla2x00_probe_for_all_luns(ha);
-
- /* Update OS target and lun structures if necessary. */
- if (rescan_done) {
- qla2x00_config_os(ha);
- }
-}
-
-
-/*
- * qla2x00_config_os
- * Setup OS target and LUN structures.
- *
- * Input:
- * ha = adapter state pointer.
- *
- * Context:
- * Kernel context.
- */
-static void
-qla2x00_config_os(scsi_qla_host_t *ha)
-{
- fc_port_t *fcport;
- fc_lun_t *fclun;
- os_tgt_t *tq;
- uint16_t tgt;
-
-
- for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
- if ((tq = TGT_Q(ha, tgt)) == NULL)
- continue;
-
- clear_bit(TQF_ONLINE, &tq->flags);
- }
-
- list_for_each_entry(fcport, &ha->fcports, list) {
- if (atomic_read(&fcport->state) != FCS_ONLINE ||
- fcport->port_type == FCT_INITIATOR ||
- fcport->port_type == FCT_BROADCAST) {
- fcport->os_target_id = MAX_TARGETS;
- continue;
- }
-
- if (fcport->flags & FCF_FO_MASKED) {
- continue;
- }
-
- /* Bind FC port to OS target number. */
- if (qla2x00_fcport_bind(ha, fcport) == MAX_TARGETS) {
- continue;
- }
-
- /* Bind FC LUN to OS LUN number. */
- list_for_each_entry(fclun, &fcport->fcluns, list) {
- qla2x00_fclun_bind(ha, fcport, fclun);
- }
- }
-}
-
-/*
- * qla2x00_fcport_bind
- * Locates a target number for FC port.
- *
- * Input:
- * ha = adapter state pointer.
- * fcport = FC port structure pointer.
- *
- * Returns:
- * target number
- *
- * Context:
- * Kernel context.
- */
-static uint16_t
-qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport)
-{
- int found;
- uint16_t tgt;
- os_tgt_t *tq;
-
- /* Check for persistent binding. */
- for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
- if ((tq = TGT_Q(ha, tgt)) == NULL)
- continue;
-
- found = 0;
- switch (ha->binding_type) {
- case BIND_BY_PORT_ID:
- if (fcport->d_id.b24 == tq->d_id.b24) {
- memcpy(tq->node_name, fcport->node_name,
- WWN_SIZE);
- memcpy(tq->port_name, fcport->port_name,
- WWN_SIZE);
- found++;
- }
- break;
- case BIND_BY_PORT_NAME:
- if (memcmp(fcport->port_name, tq->port_name,
- WWN_SIZE) == 0) {
- /*
- * In case of persistent binding, update the
- * WWNN.
- */
- memcpy(tq->node_name, fcport->node_name,
- WWN_SIZE);
- found++;
- }
- break;
- }
- if (found)
- break;
- }
-
- /* TODO: honor the ConfigRequired flag */
- if (tgt == MAX_TARGETS) {
- /* Check if targetID 0 available. */
- tgt = 0;
-
- if (TGT_Q(ha, tgt) != NULL) {
- /* Locate first free target for device. */
- for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
- if (TGT_Q(ha, tgt) == NULL) {
- break;
- }
- }
- }
- if (tgt != MAX_TARGETS) {
- if ((tq = qla2x00_tgt_alloc(ha, tgt)) != NULL) {
- memcpy(tq->node_name, fcport->node_name,
- WWN_SIZE);
- memcpy(tq->port_name, fcport->port_name,
- WWN_SIZE);
- tq->d_id.b24 = fcport->d_id.b24;
- }
- }
- }
-
- /* Reset target numbers incase it changed. */
- fcport->os_target_id = tgt;
- if (tgt != MAX_TARGETS && tq != NULL) {
- DEBUG2(printk("scsi(%ld): Assigning target ID=%02d @ %p to "
- "loop id=0x%04x, port state=0x%x, port down retry=%d\n",
- ha->host_no, tgt, tq, fcport->loop_id,
- atomic_read(&fcport->state),
- atomic_read(&fcport->port_down_timer)));
-
- fcport->tgt_queue = tq;
- fcport->flags |= FCF_PERSISTENT_BOUND;
- tq->fcport = fcport;
- set_bit(TQF_ONLINE, &tq->flags);
- tq->port_down_retry_count = ha->port_down_retry_count;
- }
-
- if (tgt == MAX_TARGETS) {
- qla_printk(KERN_WARNING, ha,
- "Unable to bind fcport, loop_id=%x\n", fcport->loop_id);
- }
-
- return (tgt);
-}
-
-/*
- * qla2x00_fclun_bind
- * Binds all FC device LUNS to OS LUNS.
- *
- * Input:
- * ha: adapter state pointer.
- * fcport: FC port structure pointer.
- *
- * Returns:
- * target number
- *
- * Context:
- * Kernel context.
- */
-static os_lun_t *
-qla2x00_fclun_bind(scsi_qla_host_t *ha, fc_port_t *fcport, fc_lun_t *fclun)
-{
- os_lun_t *lq;
- uint16_t tgt;
- uint16_t lun;
-
- tgt = fcport->os_target_id;
- lun = fclun->lun;
-
- /* Allocate LUNs */
- if (lun >= MAX_LUNS) {
- DEBUG2(printk("scsi(%ld): Unable to bind lun, invalid "
- "lun=(%x).\n", ha->host_no, lun));
- return (NULL);
- }
-
- /* Always alloc LUN 0 so kernel will scan past LUN 0. */
- if (lun != 0 && (EXT_IS_LUN_BIT_SET(&(fcport->lun_mask), lun))) {
- return (NULL);
- }
-
- if ((lq = qla2x00_lun_alloc(ha, tgt, lun)) == NULL) {
- qla_printk(KERN_WARNING, ha,
- "Unable to bind fclun, loop_id=%x lun=%x\n",
- fcport->loop_id, lun);
- return (NULL);
- }
-
- lq->fclun = fclun;
-
- return (lq);
-}
-
-/*
- * qla2x00_tgt_alloc
- * Allocate and pre-initialize target queue.
- *
- * Input:
- * ha = adapter block pointer.
- * t = SCSI target number.
- *
- * Returns:
- * NULL = failure
- *
- * Context:
- * Kernel context.
- */
-static os_tgt_t *
-qla2x00_tgt_alloc(scsi_qla_host_t *ha, uint16_t tgt)
-{
- os_tgt_t *tq;
-
- /*
- * If SCSI addressing OK, allocate TGT queue and lock.
- */
- if (tgt >= MAX_TARGETS) {
- DEBUG2(printk("scsi(%ld): Unable to allocate target, invalid "
- "target number %d.\n", ha->host_no, tgt));
- return (NULL);
- }
-
- tq = TGT_Q(ha, tgt);
- if (tq == NULL) {
- tq = kmalloc(sizeof(os_tgt_t), GFP_ATOMIC);
- if (tq != NULL) {
- DEBUG2(printk("scsi(%ld): Alloc Target %d @ %p\n",
- ha->host_no, tgt, tq));
-
- memset(tq, 0, sizeof(os_tgt_t));
- tq->ha = ha;
-
- TGT_Q(ha, tgt) = tq;
- }
- }
- if (tq != NULL) {
- tq->port_down_retry_count = ha->port_down_retry_count;
- } else {
- qla_printk(KERN_WARNING, ha,
- "Unable to allocate target.\n");
- ha->mem_err++;
- }
-
- return (tq);
-}
-
-/*
- * qla2x00_tgt_free
- * Frees target and LUN queues.
- *
- * Input:
- * ha = adapter block pointer.
- * t = SCSI target number.
- *
- * Context:
- * Kernel context.
- */
-void
-qla2x00_tgt_free(scsi_qla_host_t *ha, uint16_t tgt)
-{
- os_tgt_t *tq;
- uint16_t lun;
-
- /*
- * If SCSI addressing OK, allocate TGT queue and lock.
- */
- if (tgt >= MAX_TARGETS) {
- DEBUG2(printk("scsi(%ld): Unable to de-allocate target, "
- "invalid target number %d.\n", ha->host_no, tgt));
-
- return;
- }
-
- tq = TGT_Q(ha, tgt);
- if (tq != NULL) {
- TGT_Q(ha, tgt) = NULL;
-
- /* Free LUN structures. */
- for (lun = 0; lun < MAX_LUNS; lun++)
- qla2x00_lun_free(ha, tgt, lun);
-
- kfree(tq);
- }
-
- return;
-}
-
-/*
- * qla2x00_lun_alloc
- * Allocate and initialize LUN queue.
- *
- * Input:
- * ha = adapter block pointer.
- * t = SCSI target number.
- * l = LUN number.
- *
- * Returns:
- * NULL = failure
- *
- * Context:
- * Kernel context.
- */
-static os_lun_t *
-qla2x00_lun_alloc(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun)
-{
- os_lun_t *lq;
-
- /*
- * If SCSI addressing OK, allocate LUN queue.
- */
- if (tgt >= MAX_TARGETS || lun >= MAX_LUNS || TGT_Q(ha, tgt) == NULL) {
- DEBUG2(printk("scsi(%ld): Unable to allocate lun, invalid "
- "parameter.\n", ha->host_no));
-
- return (NULL);
- }
-
- lq = LUN_Q(ha, tgt, lun);
- if (lq == NULL) {
- lq = kmalloc(sizeof(os_lun_t), GFP_ATOMIC);
- if (lq != NULL) {
- DEBUG2(printk("scsi(%ld): Alloc Lun %d @ tgt %d.\n",
- ha->host_no, lun, tgt));
-
- memset(lq, 0, sizeof(os_lun_t));
- LUN_Q(ha, tgt, lun) = lq;
-
- /*
- * The following lun queue initialization code
- * must be duplicated in alloc_ioctl_mem function
- * for ioctl_lq.
- */
- lq->q_state = LUN_STATE_READY;
- spin_lock_init(&lq->q_lock);
- }
- }
-
- if (lq == NULL) {
- qla_printk(KERN_WARNING, ha, "Unable to allocate lun.\n");
- }
-
- return (lq);
-}
-
-/*
- * qla2x00_lun_free
- * Frees LUN queue.
- *
- * Input:
- * ha = adapter block pointer.
- * t = SCSI target number.
- *
- * Context:
- * Kernel context.
- */
-static void
-qla2x00_lun_free(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun)
-{
- os_lun_t *lq;
-
- /*
- * If SCSI addressing OK, allocate TGT queue and lock.
- */
- if (tgt >= MAX_TARGETS || lun >= MAX_LUNS) {
- DEBUG2(printk("scsi(%ld): Unable to deallocate lun, invalid "
- "parameter.\n", ha->host_no));
-
- return;
- }
-
- if (TGT_Q(ha, tgt) != NULL && (lq = LUN_Q(ha, tgt, lun)) != NULL) {
- LUN_Q(ha, tgt, lun) = NULL;
- kfree(lq);
- }
-
- return;
}
/*
ha->outstanding_cmds[cnt] = NULL;
if (ha->actthreads)
ha->actthreads--;
- sp->lun_queue->out_cnt--;
-
sp->flags = 0;
sp->cmd->result = DID_RESET << 16;
sp->cmd->host_scribble = (unsigned char *)NULL;
"Maximum number of mid-layer retries allowed for a command. "
"Default value is 20, ");
-int displayConfig;
-module_param(displayConfig, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(displayConfig,
- "If 1 then display the configuration used in /etc/modprobe.conf.");
-
int ql2xplogiabsentdevice;
module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xplogiabsentdevice,
"target returns a <NOT READY> status. Default is 10 "
"iterations.");
-int ql2xdoinitscan = 1;
-module_param(ql2xdoinitscan, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(ql2xdoinitscan,
- "Signal mid-layer to perform scan after driver load: 0 -- no "
- "signal sent to mid-layer.");
-
int ql2xloginretrycount = 0;
module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xloginretrycount,
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
-static void qla2x00_display_fc_names(scsi_qla_host_t *);
-
/* TODO Convert to inlines
*
* Timer routines
qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
- os_tgt_t *tq = (os_tgt_t *) cmd->device->hostdata;
- fc_port_t *fcport = tq->fcport;
- os_lun_t *lq;
+ fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
srb_t *sp;
int rval;
- lq = GET_LU_Q(ha, cmd->device->id, cmd->device->lun);
- if (!fcport || !lq) {
+ if (!fcport) {
cmd->result = DID_NO_CONNECT << 16;
goto qc_fail_command;
}
}
sp->ha = ha;
+ sp->fcport = fcport;
sp->cmd = cmd;
- sp->tgt_queue = tq;
-
- sp->lun_queue = lq;
- lq->io_cnt++;
- sp->fclun = lq->fclun;
-
sp->flags = 0;
sp->err_id = 0;
qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
- os_tgt_t *tq = (os_tgt_t *) cmd->device->hostdata;
- fc_port_t *fcport = tq->fcport;
- os_lun_t *lq;
+ fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
srb_t *sp;
int ret;
unsigned int id, lun;
serial = cmd->serial_number;
sp = (srb_t *) CMD_SP(cmd);
- lq = GET_LU_Q(ha, id, lun);
- if (!sp || !fcport || !lq)
+ if (!sp || !fcport)
return ret;
qla_printk(KERN_INFO, ha,
qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
- os_tgt_t *tq = (os_tgt_t *) cmd->device->hostdata;
- fc_port_t *fcport = tq->fcport;
- os_lun_t *lq;
+ fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
srb_t *sp;
int ret;
unsigned int id, lun;
serial = cmd->serial_number;
sp = (srb_t *) CMD_SP(cmd);
- lq = GET_LU_Q(ha, id, lun);
- if (!sp || !fcport || !lq)
+ if (!sp || !fcport)
return ret;
qla_printk(KERN_INFO, ha,
qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
- os_tgt_t *tq = (os_tgt_t *) cmd->device->hostdata;
- fc_port_t *fcport = tq->fcport;
- os_lun_t *lq;
+ fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
srb_t *sp;
int ret;
unsigned int id, lun;
serial = cmd->serial_number;
sp = (srb_t *) CMD_SP(cmd);
- lq = GET_LU_Q(ha, id, lun);
- if (!sp || !fcport || !lq)
+ if (!sp || !fcport)
return ret;
qla_printk(KERN_INFO, ha,
qla2x00_loop_reset(scsi_qla_host_t *ha)
{
int status = QLA_SUCCESS;
- uint16_t t;
- os_tgt_t *tq;
+ struct fc_port *fcport;
if (ha->flags.enable_lip_reset) {
status = qla2x00_lip_reset(ha);
}
if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
- for (t = 0; t < MAX_FIBRE_DEVICES; t++) {
- if ((tq = TGT_Q(ha, t)) == NULL)
- continue;
-
- if (tq->fcport == NULL)
+ list_for_each_entry(fcport, &ha->fcports, list) {
+ if (fcport->port_type != FCT_TARGET)
continue;
- status = qla2x00_target_reset(ha, 0, t);
- if (status != QLA_SUCCESS) {
+ status = qla2x00_target_reset(ha, fcport);
+ if (status != QLA_SUCCESS)
break;
- }
}
}
qla2xxx_slave_alloc(struct scsi_device *sdev)
{
scsi_qla_host_t *ha = to_qla_host(sdev->host);
- os_tgt_t *tq;
+ struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
+ fc_port_t *fcport;
+ int found;
- tq = (os_tgt_t *) TGT_Q(ha, sdev->id);
- if (!tq)
+ if (!rport)
return -ENXIO;
- if (!tq->fcport)
+
+ found = 0;
+ list_for_each_entry(fcport, &ha->fcports, list) {
+ if (rport->port_name ==
+ be64_to_cpu(*(uint64_t *)fcport->port_name)) {
+ found++;
+ break;
+ }
+
+ }
+ if (!found)
return -ENXIO;
- sdev->hostdata = tq;
+ sdev->hostdata = fcport;
return 0;
}
}
qla2x00_init_host_attr(ha);
+
/*
* Startup the kernel thread for this host adapter
*/
ha->flags.init_done = 1;
num_hosts++;
- /* List the target we have found */
- if (displayConfig) {
- qla2x00_display_fc_names(ha);
- }
-
qla_printk(KERN_INFO, ha, "\n"
" QLogic Fibre Channel HBA Driver: %s\n"
" QLogic %s - %s\n"
return 0;
probe_failed:
+ fc_remove_host(ha->host);
+
scsi_remove_host(host);
probe_alloc_failed:
qla2x00_free_sysfs_attr(ha);
+ fc_remove_host(ha->host);
+
scsi_remove_host(ha->host);
qla2x00_free_device(ha);
{
struct info_str info;
int retval = -EINVAL;
- os_lun_t *up;
- os_tgt_t *tq;
- unsigned int t, l;
uint32_t tmp_sn;
uint32_t *flags;
uint8_t *loop_state;
ha->init_cb->port_name[6],
ha->init_cb->port_name[7]);
- /* Print out device port names */
- for (t = 0; t < MAX_FIBRE_DEVICES; t++) {
- if ((tq = TGT_Q(ha, t)) == NULL)
- continue;
-
- copy_info(&info,
- "scsi-qla%d-target-%d="
- "%02x%02x%02x%02x%02x%02x%02x%02x;\n",
- (int)ha->instance, t,
- tq->port_name[0], tq->port_name[1],
- tq->port_name[2], tq->port_name[3],
- tq->port_name[4], tq->port_name[5],
- tq->port_name[6], tq->port_name[7]);
- }
-
- copy_info(&info, "\nSCSI LUN Information:\n");
- copy_info(&info,
- "(Id:Lun) * - indicates lun is not registered with the OS.\n");
-
- /* scan for all equipment stats */
- for (t = 0; t < MAX_FIBRE_DEVICES; t++) {
- /* scan all luns */
- for (l = 0; l < ha->max_luns; l++) {
- up = (os_lun_t *) GET_LU_Q(ha, t, l);
-
- if (up == NULL) {
- continue;
- }
- if (up->fclun == NULL) {
- continue;
- }
-
- copy_info(&info,
- "(%2d:%2d): Total reqs %ld,",
- t,l,up->io_cnt);
-
- copy_info(&info,
- " Pending reqs %ld,",
- up->out_cnt);
-
- if (up->io_cnt < 4) {
- copy_info(&info,
- " flags 0x%x*,",
- (int)up->q_flag);
- } else {
- copy_info(&info,
- " flags 0x%x,",
- (int)up->q_flag);
- }
-
- copy_info(&info,
- " %ld:%d:%02x %02x",
- up->fclun->fcport->ha->instance,
- up->fclun->fcport->cur_path,
- up->fclun->fcport->loop_id,
- up->fclun->device_type);
-
- copy_info(&info, "\n");
-
- if (info.pos >= info.offset + info.length) {
- /* No need to continue */
- goto profile_stop;
- }
- }
-
- if (info.pos >= info.offset + info.length) {
- /* No need to continue */
- break;
- }
- }
-
-profile_stop:
-
retval = info.pos > info.offset ? info.pos - info.offset : 0;
DEBUG3(printk(KERN_INFO
return (retval);
}
-/*
-* qla2x00_display_fc_names
-* This routine will the node names of the different devices found
-* after port inquiry.
-*
-* Input:
-* cmd = SCSI command structure
-*
-* Returns:
-* None.
-*/
-static void
-qla2x00_display_fc_names(scsi_qla_host_t *ha)
-{
- uint16_t tgt;
- os_tgt_t *tq;
-
- /* Display the node name for adapter */
- qla_printk(KERN_INFO, ha,
- "scsi-qla%d-adapter-node=%02x%02x%02x%02x%02x%02x%02x%02x\\;\n",
- (int)ha->instance,
- ha->init_cb->node_name[0],
- ha->init_cb->node_name[1],
- ha->init_cb->node_name[2],
- ha->init_cb->node_name[3],
- ha->init_cb->node_name[4],
- ha->init_cb->node_name[5],
- ha->init_cb->node_name[6],
- ha->init_cb->node_name[7]);
-
- /* display the port name for adapter */
- qla_printk(KERN_INFO, ha,
- "scsi-qla%d-adapter-port=%02x%02x%02x%02x%02x%02x%02x%02x\\;\n",
- (int)ha->instance,
- ha->init_cb->port_name[0],
- ha->init_cb->port_name[1],
- ha->init_cb->port_name[2],
- ha->init_cb->port_name[3],
- ha->init_cb->port_name[4],
- ha->init_cb->port_name[5],
- ha->init_cb->port_name[6],
- ha->init_cb->port_name[7]);
-
- /* Print out device port names */
- for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
- if ((tq = ha->otgt[tgt]) == NULL)
- continue;
-
- if (tq->fcport == NULL)
- continue;
-
- switch (ha->binding_type) {
- case BIND_BY_PORT_NAME:
- qla_printk(KERN_INFO, ha,
- "scsi-qla%d-tgt-%d-di-0-port="
- "%02x%02x%02x%02x%02x%02x%02x%02x\\;\n",
- (int)ha->instance,
- tgt,
- tq->port_name[0],
- tq->port_name[1],
- tq->port_name[2],
- tq->port_name[3],
- tq->port_name[4],
- tq->port_name[5],
- tq->port_name[6],
- tq->port_name[7]);
-
- break;
-
- case BIND_BY_PORT_ID:
- qla_printk(KERN_INFO, ha,
- "scsi-qla%d-tgt-%d-di-0-pid="
- "%02x%02x%02x\\;\n",
- (int)ha->instance,
- tgt,
- tq->d_id.b.domain,
- tq->d_id.b.area,
- tq->d_id.b.al_pa);
- break;
- }
-
-#if VSA
- qla_printk(KERN_INFO, ha,
- "scsi-qla%d-target-%d-vsa=01;\n", (int)ha->instance, tgt);
-#endif
- }
-}
-
-
/*
* qla2x00_mark_device_lost Updates fcport state when device goes offline.
*
static void
qla2x00_mem_free(scsi_qla_host_t *ha)
{
- uint32_t t;
struct list_head *fcpl, *fcptemp;
fc_port_t *fcport;
- struct list_head *fcll, *fcltemp;
- fc_lun_t *fclun;
unsigned long wtime;/* max wait time if mbx cmd is busy. */
if (ha == NULL) {
return;
}
- /* Free the target queues */
- for (t = 0; t < MAX_TARGETS; t++) {
- qla2x00_tgt_free(ha, t);
- }
-
/* Make sure all other threads are stopped. */
wtime = 60 * HZ;
while (ha->dpc_wait && wtime) {
list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
fcport = list_entry(fcpl, fc_port_t, list);
- /* fc luns */
- list_for_each_safe(fcll, fcltemp, &fcport->fcluns) {
- fclun = list_entry(fcll, fc_lun_t, list);
-
- list_del_init(&fclun->list);
- kfree(fclun);
- }
-
/* fc ports */
list_del_init(&fcport->list);
kfree(fcport);
cmd->scsi_done(cmd);
}
+
/**************************************************************************
* qla2x00_timer
*
spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
index++) {
+ fc_port_t *sfcp;
+
sp = ha->outstanding_cmds[index];
if (!sp)
continue;
- if (!(sp->fclun->fcport->flags &
- FCF_TAPE_PRESENT))
+ sfcp = sp->fcport;
+ if (!(sfcp->flags & FCF_TAPE_PRESENT))
continue;
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
projects / linux-2.6 / commitdiff