"the percentage of exchanges/cmds FW will allocate resources "
"for Target mode.");
+int ql2xuctrlirq = 1;
+module_param(ql2xuctrlirq, int, 0644);
+MODULE_PARM_DESC(ql2xuctrlirq,
+ "User to control IRQ placement via smp_affinity."
+ "Valid with qlini_mode=disabled."
+ "1(default): enable");
+
int ql2x_ini_mode = QLA2XXX_INI_MODE_EXCLUSIVE;
static int temp_sam_status = SAM_STAT_BUSY;
/* Predefs for callbacks handed to qla2xxx LLD */
static void qlt_24xx_atio_pkt(struct scsi_qla_host *ha,
struct atio_from_isp *pkt, uint8_t);
-static void qlt_response_pkt(struct scsi_qla_host *ha, response_t *pkt);
+static void qlt_response_pkt(struct scsi_qla_host *ha, struct rsp_que *rsp,
+ response_t *pkt);
static int qlt_issue_task_mgmt(struct fc_port *sess, u64 lun,
int fn, void *iocb, int flags);
-static void qlt_send_term_exchange(struct scsi_qla_host *ha, struct qla_tgt_cmd
+static void qlt_send_term_exchange(struct qla_qpair *, struct qla_tgt_cmd
*cmd, struct atio_from_isp *atio, int ha_locked, int ul_abort);
-static void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha,
- struct qla_tgt_cmd *cmd);
static void qlt_alloc_qfull_cmd(struct scsi_qla_host *vha,
struct atio_from_isp *atio, uint16_t status, int qfull);
static void qlt_disable_vha(struct scsi_qla_host *vha);
static void qlt_clear_tgt_db(struct qla_tgt *tgt);
-static void qlt_send_notify_ack(struct scsi_qla_host *vha,
+static void qlt_send_notify_ack(struct qla_qpair *qpair,
struct imm_ntfy_from_isp *ntfy,
uint32_t add_flags, uint16_t resp_code, int resp_code_valid,
uint16_t srr_flags, uint16_t srr_reject_code, uint8_t srr_explan);
void qlt_unreg_sess(struct fc_port *sess);
static void qlt_24xx_handle_abts(struct scsi_qla_host *,
struct abts_recv_from_24xx *);
+static void qlt_send_busy(struct qla_qpair *, struct atio_from_isp *,
+ uint16_t);
/*
* Global Variables
static void qlt_queue_unknown_atio(scsi_qla_host_t *vha,
- struct atio_from_isp *atio, uint8_t ha_locked)
+ struct atio_from_isp *atio, uint8_t ha_locked)
{
struct qla_tgt_sess_op *u;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
return;
out_term:
- qlt_send_term_exchange(vha, NULL, atio, ha_locked, 0);
+ qlt_send_term_exchange(vha->hw->base_qpair, NULL, atio, ha_locked, 0);
goto out;
}
ql_dbg(ql_dbg_async, vha, 0x502e,
"Freeing unknown %s %p, because of Abort\n",
"ATIO_TYPE7", u);
- qlt_send_term_exchange(vha, NULL, &u->atio,
- ha_locked, 0);
+ qlt_send_term_exchange(vha->hw->base_qpair, NULL,
+ &u->atio, ha_locked, 0);
goto abort;
}
ql_dbg(ql_dbg_async, vha, 0x503a,
"Freeing unknown %s %p, because tgt is being stopped\n",
"ATIO_TYPE7", u);
- qlt_send_term_exchange(vha, NULL, &u->atio,
- ha_locked, 0);
+ qlt_send_term_exchange(vha->hw->base_qpair, NULL,
+ &u->atio, ha_locked, 0);
} else {
ql_dbg(ql_dbg_async, vha, 0x503d,
"Reschedule u %p, vha %p, host %p\n", u, vha, host);
struct imm_ntfy_from_isp *entry =
(struct imm_ntfy_from_isp *)atio;
+ qlt_issue_marker(vha, ha_locked);
+
if ((entry->u.isp24.vp_index != 0xFF) &&
(entry->u.isp24.nport_handle != 0xFFFF)) {
host = qlt_find_host_by_vp_idx(vha,
return false;
}
-void qlt_response_pkt_all_vps(struct scsi_qla_host *vha, response_t *pkt)
+void qlt_response_pkt_all_vps(struct scsi_qla_host *vha,
+ struct rsp_que *rsp, response_t *pkt)
{
switch (pkt->entry_type) {
case CTIO_CRC2:
vha->vp_idx, entry->vp_index);
break;
}
- qlt_response_pkt(host, pkt);
+ qlt_response_pkt(host, rsp, pkt);
break;
}
vha->vp_idx, entry->u.isp24.vp_index);
break;
}
- qlt_response_pkt(host, pkt);
+ qlt_response_pkt(host, rsp, pkt);
break;
}
break;
}
}
- qlt_response_pkt(host, pkt);
+ qlt_response_pkt(host, rsp, pkt);
break;
}
"vp_index %d\n", vha->vp_idx, entry->vp_index);
break;
}
- qlt_response_pkt(host, pkt);
+ qlt_response_pkt(host, rsp, pkt);
break;
}
"vp_index %d\n", vha->vp_idx, entry->vp_index);
break;
}
- qlt_response_pkt(host, pkt);
+ qlt_response_pkt(host, rsp, pkt);
break;
}
default:
- qlt_response_pkt(vha, pkt);
+ qlt_response_pkt(vha, rsp, pkt);
break;
}
spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
sp->fcport->flags &= ~FCF_ASYNC_SENT;
- sp->fcport->chip_reset = vha->hw->chip_reset;
+ sp->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
switch (sp->type) {
case SRB_NACK_PLOGI:
sess->login_succ = 0;
}
- if (sess->chip_reset != sess->vha->hw->chip_reset)
+ if (sess->chip_reset != ha->base_qpair->chip_reset)
qla2x00_clear_loop_id(sess);
if (sess->conflict) {
static void qla24xx_chk_fcp_state(struct fc_port *sess)
{
- if (sess->chip_reset != sess->vha->hw->chip_reset) {
+ if (sess->chip_reset != sess->vha->hw->base_qpair->chip_reset) {
sess->logout_on_delete = 0;
sess->logo_ack_needed = 0;
sess->fw_login_state = DSC_LS_PORT_UNAVAIL;
static void qlt_release(struct qla_tgt *tgt)
{
scsi_qla_host_t *vha = tgt->vha;
+ void *node;
+ u64 key = 0;
+ u16 i;
+ struct qla_qpair_hint *h;
if ((vha->vha_tgt.qla_tgt != NULL) && !tgt->tgt_stop &&
!tgt->tgt_stopped)
if ((vha->vha_tgt.qla_tgt != NULL) && !tgt->tgt_stopped)
qlt_stop_phase2(tgt);
+ for (i = 0; i < vha->hw->max_qpairs + 1; i++) {
+ unsigned long flags;
+
+ h = &tgt->qphints[i];
+ if (h->qpair) {
+ spin_lock_irqsave(h->qpair->qp_lock_ptr, flags);
+ list_del(&h->hint_elem);
+ spin_unlock_irqrestore(h->qpair->qp_lock_ptr, flags);
+ h->qpair = NULL;
+ }
+ }
+ kfree(tgt->qphints);
+
+ btree_for_each_safe64(&tgt->lun_qpair_map, key, node)
+ btree_remove64(&tgt->lun_qpair_map, key);
+
+ btree_destroy64(&tgt->lun_qpair_map);
+
vha->vha_tgt.qla_tgt = NULL;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00d,
/*
* ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
*/
-static void qlt_send_notify_ack(struct scsi_qla_host *vha,
+static void qlt_send_notify_ack(struct qla_qpair *qpair,
struct imm_ntfy_from_isp *ntfy,
uint32_t add_flags, uint16_t resp_code, int resp_code_valid,
uint16_t srr_flags, uint16_t srr_reject_code, uint8_t srr_explan)
{
+ struct scsi_qla_host *vha = qpair->vha;
struct qla_hw_data *ha = vha->hw;
request_t *pkt;
struct nack_to_isp *nack;
ql_dbg(ql_dbg_tgt, vha, 0xe004, "Sending NOTIFY_ACK (ha=%p)\n", ha);
- /* Send marker if required */
- if (qlt_issue_marker(vha, 1) != QLA_SUCCESS)
- return;
-
- pkt = (request_t *)qla2x00_alloc_iocbs(vha, NULL);
+ pkt = (request_t *)__qla2x00_alloc_iocbs(qpair, NULL);
if (!pkt) {
ql_dbg(ql_dbg_tgt, vha, 0xe049,
"qla_target(%d): %s failed: unable to allocate "
/* Memory Barrier */
wmb();
- qla2x00_start_iocbs(vha, vha->req);
+ qla2x00_start_iocbs(vha, qpair->req);
}
/*
* ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
*/
-static void qlt_24xx_send_abts_resp(struct scsi_qla_host *vha,
+static void qlt_24xx_send_abts_resp(struct qla_qpair *qpair,
struct abts_recv_from_24xx *abts, uint32_t status,
bool ids_reversed)
{
+ struct scsi_qla_host *vha = qpair->vha;
struct qla_hw_data *ha = vha->hw;
struct abts_resp_to_24xx *resp;
uint32_t f_ctl;
"Sending task mgmt ABTS response (ha=%p, atio=%p, status=%x\n",
ha, abts, status);
- /* Send marker if required */
- if (qlt_issue_marker(vha, 1) != QLA_SUCCESS)
- return;
-
- resp = (struct abts_resp_to_24xx *)qla2x00_alloc_iocbs_ready(vha, NULL);
+ resp = (struct abts_resp_to_24xx *)qla2x00_alloc_iocbs_ready(qpair,
+ NULL);
if (!resp) {
ql_dbg(ql_dbg_tgt, vha, 0xe04a,
"qla_target(%d): %s failed: unable to allocate "
/* Memory Barrier */
wmb();
- qla2x00_start_iocbs(vha, vha->req);
+ if (qpair->reqq_start_iocbs)
+ qpair->reqq_start_iocbs(qpair);
+ else
+ qla2x00_start_iocbs(vha, qpair->req);
}
/*
ql_dbg(ql_dbg_tgt, vha, 0xe007,
"Sending retry TERM EXCH CTIO7 (ha=%p)\n", vha->hw);
- /* Send marker if required */
- if (qlt_issue_marker(vha, 1) != QLA_SUCCESS)
- return;
- ctio = (struct ctio7_to_24xx *)qla2x00_alloc_iocbs_ready(vha, NULL);
+ ctio = (struct ctio7_to_24xx *)qla2x00_alloc_iocbs_ready(
+ vha->hw->base_qpair, NULL);
if (ctio == NULL) {
ql_dbg(ql_dbg_tgt, vha, 0xe04b,
"qla_target(%d): %s failed: unable to allocate "
wmb();
qla2x00_start_iocbs(vha, vha->req);
- qlt_24xx_send_abts_resp(vha, (struct abts_recv_from_24xx *)entry,
+ qlt_24xx_send_abts_resp(vha->hw->base_qpair,
+ (struct abts_recv_from_24xx *)entry,
FCP_TMF_CMPL, true);
}
if (!found_lun) {
if (abort_cmd_for_tag(vha, abts->exchange_addr_to_abort)) {
/* send TASK_ABORT response immediately */
- qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_CMPL, false);
+ qlt_24xx_send_abts_resp(ha->base_qpair, abts,
+ FCP_TMF_CMPL, false);
return 0;
} else {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf081,
cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
mcmd->sess = sess;
memcpy(&mcmd->orig_iocb.abts, abts, sizeof(mcmd->orig_iocb.abts));
- mcmd->reset_count = vha->hw->chip_reset;
+ mcmd->reset_count = ha->base_qpair->chip_reset;
mcmd->tmr_func = QLA_TGT_ABTS;
+ mcmd->qpair = ha->base_qpair;
rc = ha->tgt.tgt_ops->handle_tmr(mcmd, cmd->unpacked_lun, mcmd->tmr_func,
abts->exchange_addr_to_abort);
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf053,
"qla_target(%d): ABTS: Abort Sequence not "
"supported\n", vha->vp_idx);
- qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false);
+ qlt_24xx_send_abts_resp(ha->base_qpair, abts, FCP_TMF_REJECTED,
+ false);
return;
}
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf010,
"qla_target(%d): ABTS: Unknown Exchange "
"Address received\n", vha->vp_idx);
- qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false);
+ qlt_24xx_send_abts_resp(ha->base_qpair, abts, FCP_TMF_REJECTED,
+ false);
return;
}
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
if (rc != 0) {
- qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED,
- false);
+ qlt_24xx_send_abts_resp(ha->base_qpair, abts,
+ FCP_TMF_REJECTED, false);
}
return;
}
if (sess->deleted) {
- qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false);
+ qlt_24xx_send_abts_resp(ha->base_qpair, abts, FCP_TMF_REJECTED,
+ false);
return;
}
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf054,
"qla_target(%d): __qlt_24xx_handle_abts() failed: %d\n",
vha->vp_idx, rc);
- qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false);
+ qlt_24xx_send_abts_resp(ha->base_qpair, abts, FCP_TMF_REJECTED,
+ false);
return;
}
}
/*
* ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
*/
-static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha,
+static void qlt_24xx_send_task_mgmt_ctio(struct qla_qpair *qpair,
struct qla_tgt_mgmt_cmd *mcmd, uint32_t resp_code)
{
+ struct scsi_qla_host *ha = qpair->vha;
struct atio_from_isp *atio = &mcmd->orig_iocb.atio;
struct ctio7_to_24xx *ctio;
uint16_t temp;
"Sending task mgmt CTIO7 (ha=%p, atio=%p, resp_code=%x\n",
ha, atio, resp_code);
- /* Send marker if required */
- if (qlt_issue_marker(ha, 1) != QLA_SUCCESS)
- return;
- ctio = (struct ctio7_to_24xx *)qla2x00_alloc_iocbs(ha, NULL);
+ ctio = (struct ctio7_to_24xx *)__qla2x00_alloc_iocbs(qpair, NULL);
if (ctio == NULL) {
ql_dbg(ql_dbg_tgt, ha, 0xe04c,
"qla_target(%d): %s failed: unable to allocate "
/* Memory Barrier */
wmb();
- qla2x00_start_iocbs(ha, ha->req);
+ if (qpair->reqq_start_iocbs)
+ qpair->reqq_start_iocbs(qpair);
+ else
+ qla2x00_start_iocbs(ha, qpair->req);
}
void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *mcmd)
* ha->hardware_lock supposed to be held on entry. Might drop it, then
* reacquire
*/
-void qlt_send_resp_ctio(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd,
+void qlt_send_resp_ctio(struct qla_qpair *qpair, struct qla_tgt_cmd *cmd,
uint8_t scsi_status, uint8_t sense_key, uint8_t asc, uint8_t ascq)
{
struct atio_from_isp *atio = &cmd->atio;
struct ctio7_to_24xx *ctio;
uint16_t temp;
+ struct scsi_qla_host *vha = cmd->vha;
ql_dbg(ql_dbg_tgt_dif, vha, 0x3066,
"Sending response CTIO7 (vha=%p, atio=%p, scsi_status=%02x, "
/* Memory Barrier */
wmb();
- qla2x00_start_iocbs(vha, vha->req);
+ if (qpair->reqq_start_iocbs)
+ qpair->reqq_start_iocbs(qpair);
+ else
+ qla2x00_start_iocbs(vha, qpair->req);
+
out:
return;
}
struct scsi_qla_host *vha = mcmd->sess->vha;
struct qla_hw_data *ha = vha->hw;
unsigned long flags;
+ struct qla_qpair *qpair = mcmd->qpair;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf013,
"TM response mcmd (%p) status %#x state %#x",
mcmd, mcmd->fc_tm_rsp, mcmd->flags);
- spin_lock_irqsave(&ha->hardware_lock, flags);
+ spin_lock_irqsave(qpair->qp_lock_ptr, flags);
- if (!vha->flags.online || mcmd->reset_count != ha->chip_reset) {
+ if (!vha->flags.online || mcmd->reset_count != qpair->chip_reset) {
/*
* Either the port is not online or this request was from
* previous life, just abort the processing.
ql_dbg(ql_dbg_async, vha, 0xe100,
"RESET-TMR online/active/old-count/new-count = %d/%d/%d/%d.\n",
vha->flags.online, qla2x00_reset_active(vha),
- mcmd->reset_count, ha->chip_reset);
+ mcmd->reset_count, qpair->chip_reset);
ha->tgt.tgt_ops->free_mcmd(mcmd);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
return;
}
mcmd->flags);
qlt_schedule_sess_for_deletion_lock(mcmd->sess);
} else {
- qlt_send_notify_ack(vha, &mcmd->orig_iocb.imm_ntfy,
- 0, 0, 0, 0, 0, 0);
+ qlt_send_notify_ack(vha->hw->base_qpair,
+ &mcmd->orig_iocb.imm_ntfy, 0, 0, 0, 0, 0, 0);
}
} else {
if (mcmd->orig_iocb.atio.u.raw.entry_type == ABTS_RECV_24XX)
- qlt_24xx_send_abts_resp(vha, &mcmd->orig_iocb.abts,
+ qlt_24xx_send_abts_resp(qpair, &mcmd->orig_iocb.abts,
mcmd->fc_tm_rsp, false);
else
- qlt_24xx_send_task_mgmt_ctio(vha, mcmd,
+ qlt_24xx_send_task_mgmt_ctio(qpair, mcmd,
mcmd->fc_tm_rsp);
}
/*
* qlt_xmit_tm_rsp() returns here..
*/
ha->tgt.tgt_ops->free_mcmd(mcmd);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
}
EXPORT_SYMBOL(qlt_xmit_tm_rsp);
BUG_ON(cmd->sg_cnt == 0);
prm->sg = (struct scatterlist *)cmd->sg;
- prm->seg_cnt = pci_map_sg(prm->tgt->ha->pdev, cmd->sg,
+ prm->seg_cnt = pci_map_sg(cmd->qpair->pdev, cmd->sg,
cmd->sg_cnt, cmd->dma_data_direction);
if (unlikely(prm->seg_cnt == 0))
goto out_err;
if (cmd->prot_sg_cnt) {
prm->prot_sg = cmd->prot_sg;
- prm->prot_seg_cnt = pci_map_sg(prm->tgt->ha->pdev,
+ prm->prot_seg_cnt = pci_map_sg(cmd->qpair->pdev,
cmd->prot_sg, cmd->prot_sg_cnt,
cmd->dma_data_direction);
if (unlikely(prm->prot_seg_cnt == 0))
return 0;
out_err:
- ql_dbg(ql_dbg_tgt, prm->cmd->vha, 0xe04d,
+ ql_dbg_qp(ql_dbg_tgt, prm->cmd->qpair, 0xe04d,
"qla_target(%d): PCI mapping failed: sg_cnt=%d",
0, prm->cmd->sg_cnt);
return -1;
static void qlt_unmap_sg(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd)
{
- struct qla_hw_data *ha = vha->hw;
-
+ struct qla_hw_data *ha;
+ struct qla_qpair *qpair;
if (!cmd->sg_mapped)
return;
- pci_unmap_sg(ha->pdev, cmd->sg, cmd->sg_cnt, cmd->dma_data_direction);
+ qpair = cmd->qpair;
+
+ pci_unmap_sg(qpair->pdev, cmd->sg, cmd->sg_cnt,
+ cmd->dma_data_direction);
cmd->sg_mapped = 0;
if (cmd->prot_sg_cnt)
- pci_unmap_sg(ha->pdev, cmd->prot_sg, cmd->prot_sg_cnt,
+ pci_unmap_sg(qpair->pdev, cmd->prot_sg, cmd->prot_sg_cnt,
cmd->dma_data_direction);
if (!cmd->ctx)
return;
-
+ ha = vha->hw;
if (cmd->ctx_dsd_alloced)
qla2x00_clean_dsd_pool(ha, cmd->ctx);
dma_pool_free(ha->dl_dma_pool, cmd->ctx, cmd->ctx->crc_ctx_dma);
}
-static int qlt_check_reserve_free_req(struct scsi_qla_host *vha,
+static int qlt_check_reserve_free_req(struct qla_qpair *qpair,
uint32_t req_cnt)
{
uint32_t cnt;
+ struct req_que *req = qpair->req;
- if (vha->req->cnt < (req_cnt + 2)) {
- cnt = (uint16_t)RD_REG_DWORD(vha->req->req_q_out);
+ if (req->cnt < (req_cnt + 2)) {
+ cnt = (uint16_t)(qpair->use_shadow_reg ? *req->out_ptr :
+ RD_REG_DWORD_RELAXED(req->req_q_out));
- if (vha->req->ring_index < cnt)
- vha->req->cnt = cnt - vha->req->ring_index;
+ if (req->ring_index < cnt)
+ req->cnt = cnt - req->ring_index;
else
- vha->req->cnt = vha->req->length -
- (vha->req->ring_index - cnt);
+ req->cnt = req->length - (req->ring_index - cnt);
- if (unlikely(vha->req->cnt < (req_cnt + 2)))
+ if (unlikely(req->cnt < (req_cnt + 2)))
return -EAGAIN;
}
- vha->req->cnt -= req_cnt;
+ req->cnt -= req_cnt;
return 0;
}
/*
* ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
*/
-static inline void *qlt_get_req_pkt(struct scsi_qla_host *vha)
+static inline void *qlt_get_req_pkt(struct req_que *req)
{
/* Adjust ring index. */
- vha->req->ring_index++;
- if (vha->req->ring_index == vha->req->length) {
- vha->req->ring_index = 0;
- vha->req->ring_ptr = vha->req->ring;
+ req->ring_index++;
+ if (req->ring_index == req->length) {
+ req->ring_index = 0;
+ req->ring_ptr = req->ring;
} else {
- vha->req->ring_ptr++;
+ req->ring_ptr++;
}
- return (cont_entry_t *)vha->req->ring_ptr;
+ return (cont_entry_t *)req->ring_ptr;
}
/* ha->hardware_lock supposed to be held on entry */
-static inline uint32_t qlt_make_handle(struct scsi_qla_host *vha)
+static inline uint32_t qlt_make_handle(struct qla_qpair *qpair)
{
- struct qla_hw_data *ha = vha->hw;
uint32_t h;
+ int index;
+ uint8_t found = 0;
+ struct req_que *req = qpair->req;
+
+ h = req->current_outstanding_cmd;
+
+ for (index = 1; index < req->num_outstanding_cmds; index++) {
+ h++;
+ if (h == req->num_outstanding_cmds)
+ h = 1;
+
+ if (h == QLA_TGT_SKIP_HANDLE)
+ continue;
- h = ha->tgt.current_handle;
- /* always increment cmd handle */
- do {
- ++h;
- if (h > DEFAULT_OUTSTANDING_COMMANDS)
- h = 1; /* 0 is QLA_TGT_NULL_HANDLE */
- if (h == ha->tgt.current_handle) {
- ql_dbg(ql_dbg_io, vha, 0x305b,
- "qla_target(%d): Ran out of "
- "empty cmd slots in ha %p\n", vha->vp_idx, ha);
- h = QLA_TGT_NULL_HANDLE;
+ if (!req->outstanding_cmds[h]) {
+ found = 1;
break;
}
- } while ((h == QLA_TGT_NULL_HANDLE) ||
- (h == QLA_TGT_SKIP_HANDLE) ||
- (ha->tgt.cmds[h-1] != NULL));
+ }
- if (h != QLA_TGT_NULL_HANDLE)
- ha->tgt.current_handle = h;
+ if (found) {
+ req->current_outstanding_cmd = h;
+ } else {
+ ql_dbg(ql_dbg_io, qpair->vha, 0x305b,
+ "qla_target(%d): Ran out of empty cmd slots\n",
+ qpair->vha->vp_idx);
+ h = QLA_TGT_NULL_HANDLE;
+ }
return h;
}
/* ha->hardware_lock supposed to be held on entry */
-static int qlt_24xx_build_ctio_pkt(struct qla_tgt_prm *prm,
- struct scsi_qla_host *vha)
+static int qlt_24xx_build_ctio_pkt(struct qla_qpair *qpair,
+ struct qla_tgt_prm *prm)
{
uint32_t h;
struct ctio7_to_24xx *pkt;
- struct qla_hw_data *ha = vha->hw;
struct atio_from_isp *atio = &prm->cmd->atio;
uint16_t temp;
- pkt = (struct ctio7_to_24xx *)vha->req->ring_ptr;
+ pkt = (struct ctio7_to_24xx *)qpair->req->ring_ptr;
prm->pkt = pkt;
memset(pkt, 0, sizeof(*pkt));
pkt->entry_type = CTIO_TYPE7;
pkt->entry_count = (uint8_t)prm->req_cnt;
- pkt->vp_index = vha->vp_idx;
+ pkt->vp_index = prm->cmd->vp_idx;
- h = qlt_make_handle(vha);
+ h = qlt_make_handle(qpair);
if (unlikely(h == QLA_TGT_NULL_HANDLE)) {
/*
* CTIO type 7 from the firmware doesn't provide a way to
*/
return -EAGAIN;
} else
- ha->tgt.cmds[h - 1] = prm->cmd;
+ qpair->req->outstanding_cmds[h] = (srb_t *)prm->cmd;
- pkt->handle = h | CTIO_COMPLETION_HANDLE_MARK;
- pkt->nport_handle = prm->cmd->loop_id;
+ pkt->handle = MAKE_HANDLE(qpair->req->id, h);
+ pkt->handle |= CTIO_COMPLETION_HANDLE_MARK;
+ pkt->nport_handle = cpu_to_le16(prm->cmd->loop_id);
pkt->timeout = cpu_to_le16(QLA_TGT_TIMEOUT);
pkt->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2];
pkt->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1];
/* Build continuation packets */
while (prm->seg_cnt > 0) {
cont_a64_entry_t *cont_pkt64 =
- (cont_a64_entry_t *)qlt_get_req_pkt(vha);
+ (cont_a64_entry_t *)qlt_get_req_pkt(
+ prm->cmd->qpair->req);
/*
* Make sure that from cont_pkt64 none of
struct qla_tgt_prm *prm, int xmit_type, uint8_t scsi_status,
uint32_t *full_req_cnt)
{
- struct qla_tgt *tgt = cmd->tgt;
- struct scsi_qla_host *vha = tgt->vha;
- struct qla_hw_data *ha = vha->hw;
struct se_cmd *se_cmd = &cmd->se_cmd;
+ struct qla_qpair *qpair = cmd->qpair;
prm->cmd = cmd;
- prm->tgt = tgt;
+ prm->tgt = cmd->tgt;
+ prm->pkt = NULL;
prm->rq_result = scsi_status;
prm->sense_buffer = &cmd->sense_buffer[0];
prm->sense_buffer_len = TRANSPORT_SENSE_BUFFER;
prm->sg = NULL;
prm->seg_cnt = -1;
prm->req_cnt = 1;
+ prm->residual = 0;
prm->add_status_pkt = 0;
-
- /* Send marker if required */
- if (qlt_issue_marker(vha, 0) != QLA_SUCCESS)
- return -EFAULT;
+ prm->prot_sg = NULL;
+ prm->prot_seg_cnt = 0;
+ prm->tot_dsds = 0;
if ((xmit_type & QLA_TGT_XMIT_DATA) && qlt_has_data(cmd)) {
if (qlt_pci_map_calc_cnt(prm) != 0)
if (se_cmd->se_cmd_flags & SCF_UNDERFLOW_BIT) {
prm->residual = se_cmd->residual_count;
- ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x305c,
+ ql_dbg_qp(ql_dbg_io + ql_dbg_verbose, qpair, 0x305c,
"Residual underflow: %d (tag %lld, op %x, bufflen %d, rq_result %x)\n",
prm->residual, se_cmd->tag,
se_cmd->t_task_cdb ? se_cmd->t_task_cdb[0] : 0,
prm->rq_result |= SS_RESIDUAL_UNDER;
} else if (se_cmd->se_cmd_flags & SCF_OVERFLOW_BIT) {
prm->residual = se_cmd->residual_count;
- ql_dbg(ql_dbg_io, vha, 0x305d,
+ ql_dbg_qp(ql_dbg_io, qpair, 0x305d,
"Residual overflow: %d (tag %lld, op %x, bufflen %d, rq_result %x)\n",
prm->residual, se_cmd->tag, se_cmd->t_task_cdb ?
se_cmd->t_task_cdb[0] : 0, cmd->bufflen, prm->rq_result);
*/
if (qlt_has_data(cmd)) {
if (QLA_TGT_SENSE_VALID(prm->sense_buffer) ||
- (IS_FWI2_CAPABLE(ha) &&
+ (IS_FWI2_CAPABLE(cmd->vha->hw) &&
(prm->rq_result != 0))) {
prm->add_status_pkt = 1;
(*full_req_cnt)++;
return 0;
}
-static inline int qlt_need_explicit_conf(struct qla_hw_data *ha,
- struct qla_tgt_cmd *cmd, int sending_sense)
+static inline int qlt_need_explicit_conf(struct qla_tgt_cmd *cmd,
+ int sending_sense)
{
- if (ha->tgt.enable_class_2)
+ if (cmd->qpair->enable_class_2)
return 0;
if (sending_sense)
return cmd->conf_compl_supported;
else
- return ha->tgt.enable_explicit_conf &&
- cmd->conf_compl_supported;
+ return cmd->qpair->enable_explicit_conf &&
+ cmd->conf_compl_supported;
}
static void qlt_24xx_init_ctio_to_isp(struct ctio7_to_24xx *ctio,
prm->sense_buffer_len = min_t(uint32_t, prm->sense_buffer_len,
(uint32_t)sizeof(ctio->u.status1.sense_data));
ctio->u.status0.flags |= cpu_to_le16(CTIO7_FLAGS_SEND_STATUS);
- if (qlt_need_explicit_conf(prm->tgt->ha, prm->cmd, 0)) {
+ if (qlt_need_explicit_conf(prm->cmd, 0)) {
ctio->u.status0.flags |= cpu_to_le16(
CTIO7_FLAGS_EXPLICIT_CONFORM |
CTIO7_FLAGS_CONFORM_REQ);
if (QLA_TGT_SENSE_VALID(prm->sense_buffer)) {
int i;
- if (qlt_need_explicit_conf(prm->tgt->ha, prm->cmd, 1)) {
+ if (qlt_need_explicit_conf(prm->cmd, 1)) {
if ((prm->rq_result & SS_SCSI_STATUS_BYTE) != 0) {
- ql_dbg(ql_dbg_tgt, prm->cmd->vha, 0xe017,
+ ql_dbg_qp(ql_dbg_tgt, prm->cmd->qpair, 0xe017,
"Skipping EXPLICIT_CONFORM and "
"CTIO7_FLAGS_CONFORM_REQ for FCP READ w/ "
"non GOOD status\n");
}
static inline int
-qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha)
+qlt_build_ctio_crc2_pkt(struct qla_qpair *qpair, struct qla_tgt_prm *prm)
{
uint32_t *cur_dsd;
uint32_t transfer_length = 0;
struct atio_from_isp *atio = &prm->cmd->atio;
struct qla_tc_param tc;
uint16_t t16;
+ scsi_qla_host_t *vha = cmd->vha;
ha = vha->hw;
- pkt = (struct ctio_crc2_to_fw *)vha->req->ring_ptr;
+ pkt = (struct ctio_crc2_to_fw *)qpair->req->ring_ptr;
prm->pkt = pkt;
memset(pkt, 0, sizeof(*pkt));
- ql_dbg(ql_dbg_tgt, vha, 0xe071,
+ ql_dbg_qp(ql_dbg_tgt, cmd->qpair, 0xe071,
"qla_target(%d):%s: se_cmd[%p] CRC2 prot_op[0x%x] cmd prot sg:cnt[%p:%x] lba[%llu]\n",
- vha->vp_idx, __func__, se_cmd, se_cmd->prot_op,
+ cmd->vp_idx, __func__, se_cmd, se_cmd->prot_op,
prm->prot_sg, prm->prot_seg_cnt, se_cmd->t_task_lba);
if ((se_cmd->prot_op == TARGET_PROT_DIN_INSERT) ||
/* Update entry type to indicate Command Type CRC_2 IOCB */
pkt->entry_type = CTIO_CRC2;
pkt->entry_count = 1;
- pkt->vp_index = vha->vp_idx;
+ pkt->vp_index = cmd->vp_idx;
- h = qlt_make_handle(vha);
+ h = qlt_make_handle(qpair);
if (unlikely(h == QLA_TGT_NULL_HANDLE)) {
/*
* CTIO type 7 from the firmware doesn't provide a way to
*/
return -EAGAIN;
} else
- ha->tgt.cmds[h-1] = prm->cmd;
+ qpair->req->outstanding_cmds[h] = (srb_t *)prm->cmd;
- pkt->handle = h | CTIO_COMPLETION_HANDLE_MARK;
+ pkt->handle = MAKE_HANDLE(qpair->req->id, h);
+ pkt->handle |= CTIO_COMPLETION_HANDLE_MARK;
pkt->nport_handle = cpu_to_le16(prm->cmd->loop_id);
pkt->timeout = cpu_to_le16(QLA_TGT_TIMEOUT);
pkt->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2];
crc_queuing_error:
/* Cleanup will be performed by the caller */
- vha->hw->tgt.cmds[h - 1] = NULL;
+ qpair->req->outstanding_cmds[h] = NULL;
return QLA_FUNCTION_FAILED;
}
uint8_t scsi_status)
{
struct scsi_qla_host *vha = cmd->vha;
- struct qla_hw_data *ha = vha->hw;
+ struct qla_qpair *qpair = cmd->qpair;
struct ctio7_to_24xx *pkt;
struct qla_tgt_prm prm;
uint32_t full_req_cnt = 0;
unsigned long flags = 0;
int res;
- spin_lock_irqsave(&ha->hardware_lock, flags);
if (cmd->sess && cmd->sess->deleted) {
cmd->state = QLA_TGT_STATE_PROCESSED;
if (cmd->sess->logout_completed)
/* no need to terminate. FW already freed exchange. */
qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
else
- qlt_send_term_exchange(vha, cmd, &cmd->atio, 1, 0);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ qlt_send_term_exchange(qpair, cmd, &cmd->atio, 0, 0);
return 0;
}
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
- memset(&prm, 0, sizeof(prm));
- ql_dbg(ql_dbg_tgt, cmd->vha, 0xe018,
- "is_send_status=%d, cmd->bufflen=%d, cmd->sg_cnt=%d, cmd->dma_data_direction=%d se_cmd[%p]\n",
+ ql_dbg_qp(ql_dbg_tgt, qpair, 0xe018,
+ "is_send_status=%d, cmd->bufflen=%d, cmd->sg_cnt=%d, cmd->dma_data_direction=%d se_cmd[%p] qp %d\n",
(xmit_type & QLA_TGT_XMIT_STATUS) ?
1 : 0, cmd->bufflen, cmd->sg_cnt, cmd->dma_data_direction,
- &cmd->se_cmd);
+ &cmd->se_cmd, qpair->id);
res = qlt_pre_xmit_response(cmd, &prm, xmit_type, scsi_status,
&full_req_cnt);
return res;
}
- spin_lock_irqsave(&ha->hardware_lock, flags);
+ spin_lock_irqsave(qpair->qp_lock_ptr, flags);
if (xmit_type == QLA_TGT_XMIT_STATUS)
vha->tgt_counters.core_qla_snd_status++;
else
vha->tgt_counters.core_qla_que_buf++;
- if (!ha->flags.fw_started || cmd->reset_count != ha->chip_reset) {
+ if (!qpair->fw_started || cmd->reset_count != qpair->chip_reset) {
/*
* Either the port is not online or this request was from
* previous life, just abort the processing.
*/
cmd->state = QLA_TGT_STATE_PROCESSED;
qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
- ql_dbg(ql_dbg_async, vha, 0xe101,
+ ql_dbg_qp(ql_dbg_async, qpair, 0xe101,
"RESET-RSP online/active/old-count/new-count = %d/%d/%d/%d.\n",
vha->flags.online, qla2x00_reset_active(vha),
- cmd->reset_count, ha->chip_reset);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ cmd->reset_count, qpair->chip_reset);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
return 0;
}
/* Does F/W have an IOCBs for this request */
- res = qlt_check_reserve_free_req(vha, full_req_cnt);
+ res = qlt_check_reserve_free_req(qpair, full_req_cnt);
if (unlikely(res))
goto out_unmap_unlock;
if (cmd->se_cmd.prot_op && (xmit_type & QLA_TGT_XMIT_DATA))
- res = qlt_build_ctio_crc2_pkt(&prm, vha);
+ res = qlt_build_ctio_crc2_pkt(qpair, &prm);
else
- res = qlt_24xx_build_ctio_pkt(&prm, vha);
+ res = qlt_24xx_build_ctio_pkt(qpair, &prm);
if (unlikely(res != 0)) {
- vha->req->cnt += full_req_cnt;
+ qpair->req->cnt += full_req_cnt;
goto out_unmap_unlock;
}
cpu_to_le32(prm.residual);
pkt->u.status0.flags |= cpu_to_le16(
CTIO7_FLAGS_SEND_STATUS);
- if (qlt_need_explicit_conf(ha, cmd, 0)) {
+ if (qlt_need_explicit_conf(cmd, 0)) {
pkt->u.status0.flags |=
cpu_to_le16(
CTIO7_FLAGS_EXPLICIT_CONFORM |
* req_pkt().
*/
struct ctio7_to_24xx *ctio =
- (struct ctio7_to_24xx *)qlt_get_req_pkt(vha);
+ (struct ctio7_to_24xx *)qlt_get_req_pkt(
+ qpair->req);
- ql_dbg(ql_dbg_io, vha, 0x305e,
+ ql_dbg_qp(ql_dbg_tgt, qpair, 0x305e,
"Building additional status packet 0x%p.\n",
ctio);
*/
qlt_24xx_init_ctio_to_isp((struct ctio7_to_24xx *)ctio,
&prm);
- pr_debug("Status CTIO7: %p\n", ctio);
}
} else
qlt_24xx_init_ctio_to_isp(pkt, &prm);
/* Memory Barrier */
wmb();
- qla2x00_start_iocbs(vha, vha->req);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (qpair->reqq_start_iocbs)
+ qpair->reqq_start_iocbs(qpair);
+ else
+ qla2x00_start_iocbs(vha, qpair->req);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
return 0;
out_unmap_unlock:
qlt_unmap_sg(vha, cmd);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
return res;
}
{
struct ctio7_to_24xx *pkt;
struct scsi_qla_host *vha = cmd->vha;
- struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = cmd->tgt;
struct qla_tgt_prm prm;
- unsigned long flags;
+ unsigned long flags = 0;
int res = 0;
+ struct qla_qpair *qpair = cmd->qpair;
memset(&prm, 0, sizeof(prm));
prm.cmd = cmd;
prm.sg = NULL;
prm.req_cnt = 1;
- /* Send marker if required */
- if (qlt_issue_marker(vha, 0) != QLA_SUCCESS)
- return -EIO;
-
/* Calculate number of entries and segments required */
if (qlt_pci_map_calc_cnt(&prm) != 0)
return -EAGAIN;
- spin_lock_irqsave(&ha->hardware_lock, flags);
-
- if (!ha->flags.fw_started || (cmd->reset_count != ha->chip_reset) ||
+ if (!qpair->fw_started || (cmd->reset_count != qpair->chip_reset) ||
(cmd->sess && cmd->sess->deleted)) {
/*
* Either the port is not online or this request was from
*/
cmd->state = QLA_TGT_STATE_NEED_DATA;
qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
- ql_dbg(ql_dbg_async, vha, 0xe102,
+ ql_dbg_qp(ql_dbg_async, qpair, 0xe102,
"RESET-XFR online/active/old-count/new-count = %d/%d/%d/%d.\n",
vha->flags.online, qla2x00_reset_active(vha),
- cmd->reset_count, ha->chip_reset);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ cmd->reset_count, qpair->chip_reset);
return 0;
}
+ spin_lock_irqsave(qpair->qp_lock_ptr, flags);
/* Does F/W have an IOCBs for this request */
- res = qlt_check_reserve_free_req(vha, prm.req_cnt);
+ res = qlt_check_reserve_free_req(qpair, prm.req_cnt);
if (res != 0)
goto out_unlock_free_unmap;
if (cmd->se_cmd.prot_op)
- res = qlt_build_ctio_crc2_pkt(&prm, vha);
+ res = qlt_build_ctio_crc2_pkt(qpair, &prm);
else
- res = qlt_24xx_build_ctio_pkt(&prm, vha);
+ res = qlt_24xx_build_ctio_pkt(qpair, &prm);
if (unlikely(res != 0)) {
- vha->req->cnt += prm.req_cnt;
+ qpair->req->cnt += prm.req_cnt;
goto out_unlock_free_unmap;
}
/* Memory Barrier */
wmb();
- qla2x00_start_iocbs(vha, vha->req);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (qpair->reqq_start_iocbs)
+ qpair->reqq_start_iocbs(qpair);
+ else
+ qla2x00_start_iocbs(vha, qpair->req);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
return res;
out_unlock_free_unmap:
qlt_unmap_sg(vha, cmd);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
return res;
}
* it is assumed either hardware_lock or qpair lock is held.
*/
static void
-qlt_handle_dif_error(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd,
+qlt_handle_dif_error(struct qla_qpair *qpair, struct qla_tgt_cmd *cmd,
struct ctio_crc_from_fw *sts)
{
uint8_t *ap = &sts->actual_dif[0];
uint64_t lba = cmd->se_cmd.t_task_lba;
uint8_t scsi_status, sense_key, asc, ascq;
unsigned long flags;
+ struct scsi_qla_host *vha = cmd->vha;
cmd->trc_flags |= TRC_DIF_ERR;
}
spin_unlock_irqrestore(&cmd->cmd_lock, flags);
- qlt_send_resp_ctio(vha, cmd, scsi_status, sense_key, asc, ascq);
+ qlt_send_resp_ctio(qpair, cmd, scsi_status, sense_key, asc,
+ ascq);
/* assume scsi status gets out on the wire.
* Will not wait for completion.
*/
unsigned long flags = 0;
int rc;
- if (qlt_issue_marker(vha, ha_locked) < 0)
- return;
-
if (ha_locked) {
rc = __qlt_send_term_imm_notif(vha, imm);
* If hardware_lock held on entry, might drop it, then reaquire
* This function sends the appropriate CTIO to ISP 2xxx or 24xx
*/
-static int __qlt_send_term_exchange(struct scsi_qla_host *vha,
+static int __qlt_send_term_exchange(struct qla_qpair *qpair,
struct qla_tgt_cmd *cmd,
struct atio_from_isp *atio)
{
+ struct scsi_qla_host *vha = qpair->vha;
struct ctio7_to_24xx *ctio24;
struct qla_hw_data *ha = vha->hw;
request_t *pkt;
ql_dbg(ql_dbg_tgt, vha, 0xe009, "Sending TERM EXCH CTIO (ha=%p)\n", ha);
- pkt = (request_t *)qla2x00_alloc_iocbs_ready(vha, NULL);
+ pkt = (request_t *)qla2x00_alloc_iocbs_ready(qpair, NULL);
if (pkt == NULL) {
ql_dbg(ql_dbg_tgt, vha, 0xe050,
"qla_target(%d): %s failed: unable to allocate "
/* Memory Barrier */
wmb();
- qla2x00_start_iocbs(vha, vha->req);
+ if (qpair->reqq_start_iocbs)
+ qpair->reqq_start_iocbs(qpair);
+ else
+ qla2x00_start_iocbs(vha, qpair->req);
return ret;
}
-static void qlt_send_term_exchange(struct scsi_qla_host *vha,
+static void qlt_send_term_exchange(struct qla_qpair *qpair,
struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked,
int ul_abort)
{
+ struct scsi_qla_host *vha;
unsigned long flags = 0;
int rc;
- if (qlt_issue_marker(vha, ha_locked) < 0)
- return;
+ /* why use different vha? NPIV */
+ if (cmd)
+ vha = cmd->vha;
+ else
+ vha = qpair->vha;
if (ha_locked) {
- rc = __qlt_send_term_exchange(vha, cmd, atio);
+ rc = __qlt_send_term_exchange(qpair, cmd, atio);
if (rc == -ENOMEM)
qlt_alloc_qfull_cmd(vha, atio, 0, 0);
goto done;
}
- spin_lock_irqsave(&vha->hw->hardware_lock, flags);
- rc = __qlt_send_term_exchange(vha, cmd, atio);
+ spin_lock_irqsave(qpair->qp_lock_ptr, flags);
+ rc = __qlt_send_term_exchange(qpair, cmd, atio);
if (rc == -ENOMEM)
qlt_alloc_qfull_cmd(vha, atio, 0, 0);
}
if (!ha_locked)
- spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
return;
}
cmd->trc_flags |= TRC_ABORT;
spin_unlock_irqrestore(&cmd->cmd_lock, flags);
- qlt_send_term_exchange(vha, cmd, &cmd->atio, 0, 1);
+ qlt_send_term_exchange(cmd->qpair, cmd, &cmd->atio, 0, 1);
return 0;
}
EXPORT_SYMBOL(qlt_abort_cmd);
/*
* ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
*/
-static int qlt_term_ctio_exchange(struct scsi_qla_host *vha, void *ctio,
+static int qlt_term_ctio_exchange(struct qla_qpair *qpair, void *ctio,
struct qla_tgt_cmd *cmd, uint32_t status)
{
int term = 0;
+ struct scsi_qla_host *vha = qpair->vha;
if (cmd->se_cmd.prot_op)
ql_dbg(ql_dbg_tgt_dif, vha, 0xe013,
term = 1;
if (term)
- qlt_send_term_exchange(vha, cmd, &cmd->atio, 1, 0);
+ qlt_term_ctio_exchange(qpair, ctio, cmd, status);
return term;
}
-/* ha->hardware_lock supposed to be held on entry */
-static inline struct qla_tgt_cmd *qlt_get_cmd(struct scsi_qla_host *vha,
- uint32_t handle)
-{
- struct qla_hw_data *ha = vha->hw;
-
- handle--;
- if (ha->tgt.cmds[handle] != NULL) {
- struct qla_tgt_cmd *cmd = ha->tgt.cmds[handle];
- ha->tgt.cmds[handle] = NULL;
- return cmd;
- } else
- return NULL;
-}
/* ha->hardware_lock supposed to be held on entry */
static struct qla_tgt_cmd *qlt_ctio_to_cmd(struct scsi_qla_host *vha,
- uint32_t handle, void *ctio)
+ struct rsp_que *rsp, uint32_t handle, void *ctio)
{
struct qla_tgt_cmd *cmd = NULL;
+ struct req_que *req;
+ int qid = GET_QID(handle);
+ uint32_t h = handle & ~QLA_TGT_HANDLE_MASK;
- /* Clear out internal marks */
- handle &= ~(CTIO_COMPLETION_HANDLE_MARK |
- CTIO_INTERMEDIATE_HANDLE_MARK);
+ if (unlikely(h == QLA_TGT_SKIP_HANDLE))
+ return NULL;
- if (handle != QLA_TGT_NULL_HANDLE) {
- if (unlikely(handle == QLA_TGT_SKIP_HANDLE))
- return NULL;
+ if (qid == rsp->req->id) {
+ req = rsp->req;
+ } else if (vha->hw->req_q_map[qid]) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0x1000a,
+ "qla_target(%d): CTIO completion with different QID %d handle %x\n",
+ vha->vp_idx, rsp->id, handle);
+ req = vha->hw->req_q_map[qid];
+ } else {
+ return NULL;
+ }
- /* handle-1 is actually used */
- if (unlikely(handle > DEFAULT_OUTSTANDING_COMMANDS)) {
+ h &= QLA_CMD_HANDLE_MASK;
+
+ if (h != QLA_TGT_NULL_HANDLE) {
+ if (unlikely(h > req->num_outstanding_cmds)) {
ql_dbg(ql_dbg_tgt, vha, 0xe052,
"qla_target(%d): Wrong handle %x received\n",
vha->vp_idx, handle);
return NULL;
}
- cmd = qlt_get_cmd(vha, handle);
+
+ cmd = (struct qla_tgt_cmd *)req->outstanding_cmds[h];
if (unlikely(cmd == NULL)) {
- ql_dbg(ql_dbg_tgt, vha, 0xe053,
- "qla_target(%d): Suspicious: unable to "
- "find the command with handle %x\n", vha->vp_idx,
- handle);
+ ql_dbg(ql_dbg_async, vha, 0xe053,
+ "qla_target(%d): Suspicious: unable to find the command with handle %x req->id %d rsp->id %d\n",
+ vha->vp_idx, handle, req->id, rsp->id);
return NULL;
}
+ req->outstanding_cmds[h] = NULL;
} else if (ctio != NULL) {
/* We can't get loop ID from CTIO7 */
ql_dbg(ql_dbg_tgt, vha, 0xe054,
}
/* hardware_lock should be held by caller. */
-static void
+void
qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd)
{
struct qla_hw_data *ha = vha->hw;
- uint32_t handle;
if (cmd->sg_mapped)
qlt_unmap_sg(vha, cmd);
- handle = qlt_make_handle(vha);
-
/* TODO: fix debug message type and ids. */
if (cmd->state == QLA_TGT_STATE_PROCESSED) {
ql_dbg(ql_dbg_io, vha, 0xff00,
- "HOST-ABORT: handle=%d, state=PROCESSED.\n", handle);
+ "HOST-ABORT: state=PROCESSED.\n");
} else if (cmd->state == QLA_TGT_STATE_NEED_DATA) {
cmd->write_data_transferred = 0;
cmd->state = QLA_TGT_STATE_DATA_IN;
ql_dbg(ql_dbg_io, vha, 0xff01,
- "HOST-ABORT: handle=%d, state=DATA_IN.\n", handle);
+ "HOST-ABORT: state=DATA_IN.\n");
ha->tgt.tgt_ops->handle_data(cmd);
return;
} else {
ql_dbg(ql_dbg_io, vha, 0xff03,
- "HOST-ABORT: handle=%d, state=BAD(%d).\n", handle,
+ "HOST-ABORT: state=BAD(%d).\n",
cmd->state);
dump_stack();
}
ha->tgt.tgt_ops->free_cmd(cmd);
}
-void
-qlt_host_reset_handler(struct qla_hw_data *ha)
-{
- struct qla_tgt_cmd *cmd;
- unsigned long flags;
- scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
- scsi_qla_host_t *vha = NULL;
- struct qla_tgt *tgt = base_vha->vha_tgt.qla_tgt;
- uint32_t i;
-
- if (!base_vha->hw->tgt.tgt_ops)
- return;
-
- if (!tgt || qla_ini_mode_enabled(base_vha)) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
- "Target mode disabled\n");
- return;
- }
-
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xff10,
- "HOST-ABORT-HNDLR: base_vha->dpc_flags=%lx.\n",
- base_vha->dpc_flags);
-
- spin_lock_irqsave(&ha->hardware_lock, flags);
- for (i = 1; i < DEFAULT_OUTSTANDING_COMMANDS + 1; i++) {
- cmd = qlt_get_cmd(base_vha, i);
- if (!cmd)
- continue;
- /* ha->tgt.cmds entry is cleared by qlt_get_cmd. */
- vha = cmd->vha;
- qlt_abort_cmd_on_host_reset(vha, cmd);
- }
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
-}
-
-
/*
* ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
*/
-static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle,
- uint32_t status, void *ctio)
+static void qlt_do_ctio_completion(struct scsi_qla_host *vha,
+ struct rsp_que *rsp, uint32_t handle, uint32_t status, void *ctio)
{
struct qla_hw_data *ha = vha->hw;
struct se_cmd *se_cmd;
struct qla_tgt_cmd *cmd;
+ struct qla_qpair *qpair = rsp->qpair;
if (handle & CTIO_INTERMEDIATE_HANDLE_MARK) {
/* That could happen only in case of an error/reset/abort */
return;
}
- cmd = qlt_ctio_to_cmd(vha, handle, ctio);
+ cmd = qlt_ctio_to_cmd(vha, rsp, handle, ctio);
if (cmd == NULL)
return;
*((u64 *)&crc->actual_dif[0]),
*((u64 *)&crc->expected_dif[0]));
- qlt_handle_dif_error(vha, cmd, ctio);
+ qlt_handle_dif_error(qpair, cmd, ctio);
return;
}
default:
if ((cmd->state != QLA_TGT_STATE_NEED_DATA) &&
(!cmd->aborted)) {
cmd->trc_flags |= TRC_CTIO_ERR;
- if (qlt_term_ctio_exchange(vha, ctio, cmd, status))
+ if (qlt_term_ctio_exchange(qpair, ctio, cmd, status))
return;
}
}
{
scsi_qla_host_t *vha = cmd->vha;
struct qla_hw_data *ha = vha->hw;
- struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct fc_port *sess = cmd->sess;
struct atio_from_isp *atio = &cmd->atio;
unsigned char *cdb;
unsigned long flags;
uint32_t data_length;
int ret, fcp_task_attr, data_dir, bidi = 0;
+ struct qla_qpair *qpair = cmd->qpair;
cmd->cmd_in_wq = 0;
cmd->trc_flags |= TRC_DO_WORK;
- if (tgt->tgt_stop)
- goto out_term;
if (cmd->aborted) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf082,
spin_lock_init(&cmd->cmd_lock);
cdb = &atio->u.isp24.fcp_cmnd.cdb[0];
cmd->se_cmd.tag = atio->u.isp24.exchange_addr;
- cmd->unpacked_lun = scsilun_to_int(
- (struct scsi_lun *)&atio->u.isp24.fcp_cmnd.lun);
if (atio->u.isp24.fcp_cmnd.rddata &&
atio->u.isp24.fcp_cmnd.wrdata) {
* argument to qlt_send_term_exchange() and free the memory here.
*/
cmd->trc_flags |= TRC_DO_WORK_ERR;
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qlt_send_term_exchange(vha, NULL, &cmd->atio, 1, 0);
+ spin_lock_irqsave(qpair->qp_lock_ptr, flags);
+ qlt_send_term_exchange(qpair, NULL, &cmd->atio, 1, 0);
qlt_decr_num_pend_cmds(vha);
percpu_ida_free(&sess->se_sess->sess_tag_pool, cmd->se_cmd.map_tag);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
ha->tgt.tgt_ops->put_sess(sess);
__qlt_do_work(cmd);
}
+void qlt_clr_qp_table(struct scsi_qla_host *vha)
+{
+ unsigned long flags;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
+ void *node;
+ u64 key = 0;
+
+ ql_log(ql_log_info, vha, 0x706c,
+ "User update Number of Active Qpairs %d\n",
+ ha->tgt.num_act_qpairs);
+
+ spin_lock_irqsave(&ha->tgt.atio_lock, flags);
+
+ btree_for_each_safe64(&tgt->lun_qpair_map, key, node)
+ btree_remove64(&tgt->lun_qpair_map, key);
+
+ ha->base_qpair->lun_cnt = 0;
+ for (key = 0; key < ha->max_qpairs; key++)
+ if (ha->queue_pair_map[key])
+ ha->queue_pair_map[key]->lun_cnt = 0;
+
+ spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
+}
+
+static void qlt_assign_qpair(struct scsi_qla_host *vha,
+ struct qla_tgt_cmd *cmd)
+{
+ struct qla_qpair *qpair, *qp;
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
+ struct qla_qpair_hint *h;
+
+ if (vha->flags.qpairs_available) {
+ h = btree_lookup64(&tgt->lun_qpair_map, cmd->unpacked_lun);
+ if (unlikely(!h)) {
+ /* spread lun to qpair ratio evently */
+ int lcnt = 0, rc;
+ struct scsi_qla_host *base_vha =
+ pci_get_drvdata(vha->hw->pdev);
+
+ qpair = vha->hw->base_qpair;
+ if (qpair->lun_cnt == 0) {
+ qpair->lun_cnt++;
+ h = qla_qpair_to_hint(tgt, qpair);
+ BUG_ON(!h);
+ rc = btree_insert64(&tgt->lun_qpair_map,
+ cmd->unpacked_lun, h, GFP_ATOMIC);
+ if (rc) {
+ qpair->lun_cnt--;
+ ql_log(ql_log_info, vha, 0xd037,
+ "Unable to insert lun %llx into lun_qpair_map\n",
+ cmd->unpacked_lun);
+ }
+ goto out;
+ } else {
+ lcnt = qpair->lun_cnt;
+ }
+
+ h = NULL;
+ list_for_each_entry(qp, &base_vha->qp_list,
+ qp_list_elem) {
+ if (qp->lun_cnt == 0) {
+ qp->lun_cnt++;
+ h = qla_qpair_to_hint(tgt, qp);
+ BUG_ON(!h);
+ rc = btree_insert64(&tgt->lun_qpair_map,
+ cmd->unpacked_lun, h, GFP_ATOMIC);
+ if (rc) {
+ qp->lun_cnt--;
+ ql_log(ql_log_info, vha, 0xd038,
+ "Unable to insert lun %llx into lun_qpair_map\n",
+ cmd->unpacked_lun);
+ }
+ qpair = qp;
+ goto out;
+ } else {
+ if (qp->lun_cnt < lcnt) {
+ lcnt = qp->lun_cnt;
+ qpair = qp;
+ continue;
+ }
+ }
+ }
+ BUG_ON(!qpair);
+ qpair->lun_cnt++;
+ h = qla_qpair_to_hint(tgt, qpair);
+ BUG_ON(!h);
+ rc = btree_insert64(&tgt->lun_qpair_map,
+ cmd->unpacked_lun, h, GFP_ATOMIC);
+ if (rc) {
+ qpair->lun_cnt--;
+ ql_log(ql_log_info, vha, 0xd039,
+ "Unable to insert lun %llx into lun_qpair_map\n",
+ cmd->unpacked_lun);
+ }
+ }
+ } else {
+ h = &tgt->qphints[0];
+ }
+out:
+ cmd->qpair = h->qpair;
+ cmd->se_cmd.cpuid = h->cpuid;
+}
+
static struct qla_tgt_cmd *qlt_get_tag(scsi_qla_host_t *vha,
struct fc_port *sess,
struct atio_from_isp *atio)
cmd = &((struct qla_tgt_cmd *)se_sess->sess_cmd_map)[tag];
memset(cmd, 0, sizeof(struct qla_tgt_cmd));
-
+ cmd->cmd_type = TYPE_TGT_CMD;
memcpy(&cmd->atio, atio, sizeof(*atio));
cmd->state = QLA_TGT_STATE_NEW;
cmd->tgt = vha->vha_tgt.qla_tgt;
cmd->trc_flags = 0;
cmd->jiffies_at_alloc = get_jiffies_64();
- cmd->reset_count = vha->hw->chip_reset;
+ cmd->unpacked_lun = scsilun_to_int(
+ (struct scsi_lun *)&atio->u.isp24.fcp_cmnd.lun);
+ qlt_assign_qpair(vha, cmd);
+ cmd->reset_count = vha->hw->base_qpair->chip_reset;
+ cmd->vp_idx = vha->vp_idx;
return cmd;
}
-static void qlt_send_busy(struct scsi_qla_host *, struct atio_from_isp *,
- uint16_t);
-
static void qlt_create_sess_from_atio(struct work_struct *work)
{
struct qla_tgt_sess_op *op = container_of(work,
*/
cmd = qlt_get_tag(vha, sess, &op->atio);
if (!cmd) {
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qlt_send_busy(vha, &op->atio, SAM_STAT_BUSY);
+ struct qla_qpair *qpair = ha->base_qpair;
+
+ spin_lock_irqsave(qpair->qp_lock_ptr, flags);
+ qlt_send_busy(qpair, &op->atio, SAM_STAT_BUSY);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
+
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
ha->tgt.tgt_ops->put_sess(sess);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
kfree(op);
return;
}
kfree(op);
return;
out_term:
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qlt_send_term_exchange(vha, NULL, &op->atio, 1, 0);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ qlt_send_term_exchange(vha->hw->base_qpair, NULL, &op->atio, 0, 0);
kfree(op);
}
cmd->cmd_in_wq = 1;
cmd->trc_flags |= TRC_NEW_CMD;
- cmd->se_cmd.cpuid = ha->msix_count ?
- ha->tgt.rspq_vector_cpuid : WORK_CPU_UNBOUND;
spin_lock_irqsave(&vha->cmd_list_lock, flags);
list_add_tail(&cmd->cmd_list, &vha->qla_cmd_list);
spin_unlock_irqrestore(&vha->cmd_list_lock, flags);
INIT_WORK(&cmd->work, qlt_do_work);
- if (ha->msix_count) {
+ if (vha->flags.qpairs_available) {
+ queue_work_on(cmd->se_cmd.cpuid, qla_tgt_wq, &cmd->work);
+ } else if (ha->msix_count) {
if (cmd->atio.u.isp24.fcp_cmnd.rddata)
queue_work_on(smp_processor_id(), qla_tgt_wq,
&cmd->work);
} else {
queue_work(qla_tgt_wq, &cmd->work);
}
- return 0;
+ return 0;
}
/* ha->hardware_lock supposed to be held on entry */
}
mcmd->tmr_func = fn;
mcmd->flags = flags;
- mcmd->reset_count = vha->hw->chip_reset;
+ mcmd->reset_count = ha->base_qpair->chip_reset;
+ mcmd->qpair = ha->base_qpair;
switch (fn) {
case QLA_TGT_LUN_RESET:
unpacked_lun =
scsilun_to_int((struct scsi_lun *)&a->u.isp24.fcp_cmnd.lun);
- mcmd->reset_count = vha->hw->chip_reset;
+ mcmd->reset_count = ha->base_qpair->chip_reset;
mcmd->tmr_func = QLA_TGT_2G_ABORT_TASK;
+ mcmd->qpair = ha->base_qpair;
rc = ha->tgt.tgt_ops->handle_tmr(mcmd, unpacked_lun, mcmd->tmr_func,
le16_to_cpu(iocb->u.isp2x.seq_id));
{
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
if (tgt->link_reinit_iocb_pending) {
- qlt_send_notify_ack(vha, &tgt->link_reinit_iocb,
- 0, 0, 0, 0, 0, 0);
+ qlt_send_notify_ack(ha->base_qpair,
+ &tgt->link_reinit_iocb, 0, 0, 0, 0, 0, 0);
tgt->link_reinit_iocb_pending = 0;
}
le16_to_cpu(iocb->u.isp24.nport_handle),
iocb->u.isp24.status_subcode);
if (tgt->link_reinit_iocb_pending) {
- qlt_send_notify_ack(vha, &tgt->link_reinit_iocb,
- 0, 0, 0, 0, 0, 0);
+ qlt_send_notify_ack(ha->base_qpair,
+ &tgt->link_reinit_iocb, 0, 0, 0, 0, 0, 0);
}
memcpy(&tgt->link_reinit_iocb, iocb, sizeof(*iocb));
tgt->link_reinit_iocb_pending = 1;
}
if (send_notify_ack)
- qlt_send_notify_ack(vha, iocb, add_flags, 0, 0, 0, 0, 0);
+ qlt_send_notify_ack(ha->base_qpair, iocb, add_flags, 0, 0, 0,
+ 0, 0);
}
/*
* ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
* This function sends busy to ISP 2xxx or 24xx.
*/
-static int __qlt_send_busy(struct scsi_qla_host *vha,
+static int __qlt_send_busy(struct qla_qpair *qpair,
struct atio_from_isp *atio, uint16_t status)
{
+ struct scsi_qla_host *vha = qpair->vha;
struct ctio7_to_24xx *ctio24;
struct qla_hw_data *ha = vha->hw;
request_t *pkt;
atio->u.isp24.fcp_hdr.s_id);
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
if (!sess) {
- qlt_send_term_exchange(vha, NULL, atio, 1, 0);
+ qlt_send_term_exchange(qpair, NULL, atio, 1, 0);
return 0;
}
/* Sending marker isn't necessary, since we called from ISR */
- pkt = (request_t *)qla2x00_alloc_iocbs(vha, NULL);
+ pkt = (request_t *)__qla2x00_alloc_iocbs(qpair, NULL);
if (!pkt) {
ql_dbg(ql_dbg_io, vha, 0x3063,
"qla_target(%d): %s failed: unable to allocate "
ctio24->u.status1.scsi_status = cpu_to_le16(status);
/* Memory Barrier */
wmb();
- qla2x00_start_iocbs(vha, vha->req);
+ if (qpair->reqq_start_iocbs)
+ qpair->reqq_start_iocbs(qpair);
+ else
+ qla2x00_start_iocbs(vha, qpair->req);
return 0;
}
struct se_session *se_sess;
struct qla_tgt_cmd *cmd;
int tag;
+ unsigned long flags;
if (unlikely(tgt->tgt_stop)) {
ql_dbg(ql_dbg_io, vha, 0x300a,
cmd->tgt = vha->vha_tgt.qla_tgt;
cmd->vha = vha;
- cmd->reset_count = vha->hw->chip_reset;
+ cmd->reset_count = ha->base_qpair->chip_reset;
cmd->q_full = 1;
+ cmd->qpair = ha->base_qpair;
if (qfull) {
cmd->q_full = 1;
} else
cmd->term_exchg = 1;
+ spin_lock_irqsave(&vha->hw->tgt.q_full_lock, flags);
list_add_tail(&cmd->cmd_list, &vha->hw->tgt.q_full_list);
vha->hw->tgt.num_qfull_cmds_alloc++;
vha->qla_stats.stat_max_qfull_cmds_alloc)
vha->qla_stats.stat_max_qfull_cmds_alloc =
vha->hw->tgt.num_qfull_cmds_alloc;
+ spin_unlock_irqrestore(&vha->hw->tgt.q_full_lock, flags);
}
int
-qlt_free_qfull_cmds(struct scsi_qla_host *vha)
+qlt_free_qfull_cmds(struct qla_qpair *qpair)
{
+ struct scsi_qla_host *vha = qpair->vha;
struct qla_hw_data *ha = vha->hw;
unsigned long flags;
struct qla_tgt_cmd *cmd, *tcmd;
- struct list_head free_list;
+ struct list_head free_list, q_full_list;
int rc = 0;
if (list_empty(&ha->tgt.q_full_list))
return 0;
INIT_LIST_HEAD(&free_list);
+ INIT_LIST_HEAD(&q_full_list);
- spin_lock_irqsave(&vha->hw->hardware_lock, flags);
-
+ spin_lock_irqsave(&vha->hw->tgt.q_full_lock, flags);
if (list_empty(&ha->tgt.q_full_list)) {
- spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+ spin_unlock_irqrestore(&vha->hw->tgt.q_full_lock, flags);
return 0;
}
- list_for_each_entry_safe(cmd, tcmd, &ha->tgt.q_full_list, cmd_list) {
+ list_splice_init(&vha->hw->tgt.q_full_list, &q_full_list);
+ spin_unlock_irqrestore(&vha->hw->tgt.q_full_lock, flags);
+
+ spin_lock_irqsave(qpair->qp_lock_ptr, flags);
+ list_for_each_entry_safe(cmd, tcmd, &q_full_list, cmd_list) {
if (cmd->q_full)
/* cmd->state is a borrowed field to hold status */
- rc = __qlt_send_busy(vha, &cmd->atio, cmd->state);
+ rc = __qlt_send_busy(qpair, &cmd->atio, cmd->state);
else if (cmd->term_exchg)
- rc = __qlt_send_term_exchange(vha, NULL, &cmd->atio);
+ rc = __qlt_send_term_exchange(qpair, NULL, &cmd->atio);
if (rc == -ENOMEM)
break;
/* piggy back on hardware_lock for protection */
vha->hw->tgt.num_qfull_cmds_alloc--;
}
- spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
cmd = NULL;
*/
qlt_free_cmd(cmd);
}
+
+ if (!list_empty(&q_full_list)) {
+ spin_lock_irqsave(&vha->hw->tgt.q_full_lock, flags);
+ list_splice(&q_full_list, &vha->hw->tgt.q_full_list);
+ spin_unlock_irqrestore(&vha->hw->tgt.q_full_lock, flags);
+ }
+
return rc;
}
static void
-qlt_send_busy(struct scsi_qla_host *vha,
- struct atio_from_isp *atio, uint16_t status)
+qlt_send_busy(struct qla_qpair *qpair, struct atio_from_isp *atio,
+ uint16_t status)
{
int rc = 0;
+ struct scsi_qla_host *vha = qpair->vha;
- rc = __qlt_send_busy(vha, atio, status);
+ rc = __qlt_send_busy(qpair, atio, status);
if (rc == -ENOMEM)
qlt_alloc_qfull_cmd(vha, atio, status, 1);
}
static int
-qlt_chk_qfull_thresh_hold(struct scsi_qla_host *vha,
- struct atio_from_isp *atio, bool ha_locked)
+qlt_chk_qfull_thresh_hold(struct scsi_qla_host *vha, struct qla_qpair *qpair,
+ struct atio_from_isp *atio, uint8_t ha_locked)
{
struct qla_hw_data *ha = vha->hw;
uint16_t status;
if (!ha_locked)
spin_lock_irqsave(&ha->hardware_lock, flags);
status = temp_sam_status;
- qlt_send_busy(vha, atio, status);
+ qlt_send_busy(qpair, atio, status);
if (!ha_locked)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
"sending QUEUE_FULL\n", vha->vp_idx);
if (!ha_locked)
spin_lock_irqsave(&ha->hardware_lock, flags);
- qlt_send_busy(vha, atio, SAM_STAT_TASK_SET_FULL);
+ qlt_send_busy(ha->base_qpair, atio,
+ SAM_STAT_TASK_SET_FULL);
if (!ha_locked)
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ spin_unlock_irqrestore(&ha->hardware_lock,
+ flags);
break;
}
-
-
if (likely(atio->u.isp24.fcp_cmnd.task_mgmt_flags == 0)) {
- rc = qlt_chk_qfull_thresh_hold(vha, atio, ha_locked);
+ rc = qlt_chk_qfull_thresh_hold(vha, ha->base_qpair,
+ atio, ha_locked);
if (rc != 0) {
tgt->atio_irq_cmd_count--;
return;
if (unlikely(rc != 0)) {
if (rc == -ESRCH) {
if (!ha_locked)
- spin_lock_irqsave
- (&ha->hardware_lock, flags);
+ spin_lock_irqsave(&ha->hardware_lock,
+ flags);
#if 1 /* With TERM EXCHANGE some FC cards refuse to boot */
- qlt_send_busy(vha, atio, SAM_STAT_BUSY);
+ qlt_send_busy(ha->base_qpair, atio,
+ SAM_STAT_BUSY);
#else
- qlt_send_term_exchange(vha, NULL, atio, 1, 0);
+ qlt_send_term_exchange(ha->base_qpair, NULL,
+ atio, 1, 0);
#endif
-
if (!ha_locked)
- spin_unlock_irqrestore
- (&ha->hardware_lock, flags);
-
+ spin_unlock_irqrestore(
+ &ha->hardware_lock, flags);
} else {
if (tgt->tgt_stop) {
ql_dbg(ql_dbg_tgt, vha, 0xe059,
if (!ha_locked)
spin_lock_irqsave(
&ha->hardware_lock, flags);
- qlt_send_busy(vha, atio, SAM_STAT_BUSY);
+ qlt_send_busy(ha->base_qpair,
+ atio, SAM_STAT_BUSY);
if (!ha_locked)
spin_unlock_irqrestore(
&ha->hardware_lock, flags);
/* ha->hardware_lock supposed to be held on entry */
/* called via callback from qla2xxx */
-static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt)
+static void qlt_response_pkt(struct scsi_qla_host *vha,
+ struct rsp_que *rsp, response_t *pkt)
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
case CTIO_TYPE7:
{
struct ctio7_from_24xx *entry = (struct ctio7_from_24xx *)pkt;
- qlt_do_ctio_completion(vha, entry->handle,
+ qlt_do_ctio_completion(vha, rsp, entry->handle,
le16_to_cpu(entry->status)|(pkt->entry_status << 16),
entry);
break;
break;
}
- rc = qlt_chk_qfull_thresh_hold(vha, atio, true);
+ rc = qlt_chk_qfull_thresh_hold(vha, rsp->qpair, atio, 1);
if (rc != 0)
return;
if (unlikely(rc != 0)) {
if (rc == -ESRCH) {
#if 1 /* With TERM EXCHANGE some FC cards refuse to boot */
- qlt_send_busy(vha, atio, 0);
+ qlt_send_busy(rsp->qpair, atio, 0);
#else
- qlt_send_term_exchange(vha, NULL, atio, 1, 0);
+ qlt_send_term_exchange(rsp->qpair, NULL, atio, 1, 0);
#endif
} else {
if (tgt->tgt_stop) {
"qla_target: Unable to send "
"command to target, sending TERM "
"EXCHANGE for rsp\n");
- qlt_send_term_exchange(vha, NULL,
+ qlt_send_term_exchange(rsp->qpair, NULL,
atio, 1, 0);
} else {
ql_dbg(ql_dbg_tgt, vha, 0xe060,
"qla_target(%d): Unable to send "
"command to target, sending BUSY "
"status\n", vha->vp_idx);
- qlt_send_busy(vha, atio, 0);
+ qlt_send_busy(rsp->qpair, atio, 0);
}
}
}
case CONTINUE_TGT_IO_TYPE:
{
struct ctio_to_2xxx *entry = (struct ctio_to_2xxx *)pkt;
- qlt_do_ctio_completion(vha, entry->handle,
+ qlt_do_ctio_completion(vha, rsp, entry->handle,
le16_to_cpu(entry->status)|(pkt->entry_status << 16),
entry);
break;
case CTIO_A64_TYPE:
{
struct ctio_to_2xxx *entry = (struct ctio_to_2xxx *)pkt;
- qlt_do_ctio_completion(vha, entry->handle,
+ qlt_do_ctio_completion(vha, rsp, entry->handle,
le16_to_cpu(entry->status)|(pkt->entry_status << 16),
entry);
break;
if (!tgt || tgt->tgt_stop || tgt->tgt_stopped)
return;
- if (unlikely(tgt == NULL)) {
- ql_dbg(ql_dbg_tgt, vha, 0xe03a,
- "ASYNC EVENT %#x, but no tgt (ha %p)\n", code, ha);
- return;
- }
-
if (((code == MBA_POINT_TO_POINT) || (code == MBA_CHG_IN_CONNECTION)) &&
IS_QLA2100(ha))
return;
le16_to_cpu(mailbox[0]), le16_to_cpu(mailbox[1]),
le16_to_cpu(mailbox[2]), le16_to_cpu(mailbox[3]));
if (tgt->link_reinit_iocb_pending) {
- qlt_send_notify_ack(vha, (void *)&tgt->link_reinit_iocb,
+ qlt_send_notify_ack(ha->base_qpair,
+ (void *)&tgt->link_reinit_iocb,
0, 0, 0, 0, 0, 0);
tgt->link_reinit_iocb_pending = 0;
}
out_term:
spin_lock_irqsave(&ha->hardware_lock, flags);
- qlt_24xx_send_abts_resp(vha, &prm->abts, FCP_TMF_REJECTED, false);
+ qlt_24xx_send_abts_resp(ha->base_qpair, &prm->abts,
+ FCP_TMF_REJECTED, false);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
ha->tgt.tgt_ops->put_sess(sess);
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
out_term:
- qlt_send_term_exchange(vha, NULL, &prm->tm_iocb2, 1, 0);
+ qlt_send_term_exchange(ha->base_qpair, NULL, &prm->tm_iocb2, 1, 0);
}
static void qlt_sess_work_fn(struct work_struct *work)
int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha)
{
struct qla_tgt *tgt;
+ int rc, i;
+ struct qla_qpair_hint *h;
if (!QLA_TGT_MODE_ENABLED())
return 0;
return -ENOMEM;
}
+ tgt->qphints = kzalloc((ha->max_qpairs + 1) *
+ sizeof(struct qla_qpair_hint), GFP_KERNEL);
+ if (!tgt->qphints) {
+ kfree(tgt);
+ ql_log(ql_log_warn, base_vha, 0x0197,
+ "Unable to allocate qpair hints.\n");
+ return -ENOMEM;
+ }
+
if (!(base_vha->host->hostt->supported_mode & MODE_TARGET))
base_vha->host->hostt->supported_mode |= MODE_TARGET;
+ rc = btree_init64(&tgt->lun_qpair_map);
+ if (rc) {
+ kfree(tgt->qphints);
+ kfree(tgt);
+ ql_log(ql_log_info, base_vha, 0x0198,
+ "Unable to initialize lun_qpair_map btree\n");
+ return -EIO;
+ }
+ h = &tgt->qphints[0];
+ h->qpair = ha->base_qpair;
+ INIT_LIST_HEAD(&h->hint_elem);
+ h->cpuid = ha->base_qpair->cpuid;
+ list_add_tail(&h->hint_elem, &ha->base_qpair->hints_list);
+
+ for (i = 0; i < ha->max_qpairs; i++) {
+ unsigned long flags;
+
+ struct qla_qpair *qpair = ha->queue_pair_map[i];
+ h = &tgt->qphints[i + 1];
+ INIT_LIST_HEAD(&h->hint_elem);
+ if (qpair) {
+ h->qpair = qpair;
+ spin_lock_irqsave(qpair->qp_lock_ptr, flags);
+ list_add_tail(&h->hint_elem, &qpair->hints_list);
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
+ h->cpuid = qpair->cpuid;
+ }
+ }
+
tgt->ha = ha;
tgt->vha = base_vha;
init_waitqueue_head(&tgt->waitQ);
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
unsigned long flags;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
- int rspq_ent = QLA83XX_RSPQ_MSIX_ENTRY_NUMBER;
if (!tgt) {
ql_dbg(ql_dbg_tgt, vha, 0xe069,
qla24xx_disable_vp(vha);
qla24xx_enable_vp(vha);
} else {
- if (ha->msix_entries) {
- ql_dbg(ql_dbg_tgt, vha, 0xe081,
- "%s: host%ld : vector %d cpu %d\n",
- __func__, vha->host_no,
- ha->msix_entries[rspq_ent].vector,
- ha->msix_entries[rspq_ent].cpuid);
-
- ha->tgt.rspq_vector_cpuid =
- ha->msix_entries[rspq_ent].cpuid;
- }
-
set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
qla2xxx_wake_dpc(base_vha);
qla2x00_wait_for_hba_online(base_vha);
le32_to_cpu(pkt->u.isp24.exchange_addr), pkt);
adjust_corrupted_atio(pkt);
- qlt_send_term_exchange(vha, NULL, pkt, ha_locked, 0);
+ qlt_send_term_exchange(ha->base_qpair, NULL, pkt,
+ ha_locked, 0);
} else {
qlt_24xx_atio_pkt_all_vps(vha,
(struct atio_from_isp *)pkt, ha_locked);
return;
}
- if (ha->tgt.enable_class_2) {
+ if (ha->base_qpair->enable_class_2) {
if (vha->flags.init_done)
fc_host_supported_classes(vha->host) =
FC_COS_CLASS2 | FC_COS_CLASS3;
return;
}
- if (ha->tgt.enable_class_2) {
+ if (ha->base_qpair->enable_class_2) {
if (vha->flags.init_done)
fc_host_supported_classes(vha->host) =
FC_COS_CLASS2 | FC_COS_CLASS3;
ha->msix_count += 1; /* For ATIO Q */
}
-int
-qlt_24xx_process_response_error(struct scsi_qla_host *vha,
- struct sts_entry_24xx *pkt)
-{
- switch (pkt->entry_type) {
- case ABTS_RECV_24XX:
- case ABTS_RESP_24XX:
- case CTIO_TYPE7:
- case NOTIFY_ACK_TYPE:
- case CTIO_CRC2:
- return 1;
- default:
- return 0;
- }
-}
void
qlt_modify_vp_config(struct scsi_qla_host *vha,
struct qla_hw_data *ha = vha->hw;
unsigned long flags;
- if (qla2x00_reset_active(vha) || (op->chip_reset != ha->chip_reset))
+ if (qla2x00_reset_active(vha) ||
+ (op->chip_reset != ha->base_qpair->chip_reset))
return;
spin_lock_irqsave(&ha->tgt.atio_lock, flags);
spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
spin_lock_irqsave(&ha->hardware_lock, flags);
- qlt_response_pkt_all_vps(vha, (response_t *)&op->atio);
+ qlt_response_pkt_all_vps(vha, op->rsp, (response_t *)&op->atio);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
kfree(op);
}
void
-qlt_handle_abts_recv(struct scsi_qla_host *vha, response_t *pkt)
+qlt_handle_abts_recv(struct scsi_qla_host *vha, struct rsp_que *rsp,
+ response_t *pkt)
{
struct qla_tgt_sess_op *op;
/* do not reach for ATIO queue here. This is best effort err
* recovery at this point.
*/
- qlt_response_pkt_all_vps(vha, pkt);
+ qlt_response_pkt_all_vps(vha, rsp, pkt);
return;
}
memcpy(&op->atio, pkt, sizeof(*pkt));
op->vha = vha;
- op->chip_reset = vha->hw->chip_reset;
+ op->chip_reset = vha->hw->base_qpair->chip_reset;
+ op->rsp = rsp;
INIT_WORK(&op->work, qlt_handle_abts_recv_work);
queue_work(qla_tgt_wq, &op->work);
return;