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-rw-r--r--drivers/scsi/fnic/fnic.h71
-rw-r--r--drivers/scsi/fnic/fnic_fcs.c68
-rw-r--r--drivers/scsi/fnic/fnic_isr.c168
-rw-r--r--drivers/scsi/fnic/fnic_main.c145
-rw-r--r--drivers/scsi/fnic/fnic_res.c48
-rw-r--r--drivers/scsi/fnic/fnic_scsi.c873
-rw-r--r--drivers/scsi/fnic/fnic_stats.h3
-rw-r--r--drivers/scsi/fnic/fnic_trace.c11
-rw-r--r--drivers/scsi/fnic/vnic_dev.c4
-rw-r--r--drivers/scsi/fnic/vnic_scsi.h13
10 files changed, 856 insertions, 548 deletions
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index 22cef283b2..ce73f08ee8 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -27,7 +27,7 @@
#define DRV_NAME "fnic"
#define DRV_DESCRIPTION "Cisco FCoE HBA Driver"
-#define DRV_VERSION "1.6.0.57"
+#define DRV_VERSION "1.7.0.0"
#define PFX DRV_NAME ": "
#define DFX DRV_NAME "%d: "
@@ -36,7 +36,6 @@
#define FNIC_MIN_IO_REQ 256 /* Min IO throttle count */
#define FNIC_MAX_IO_REQ 1024 /* scsi_cmnd tag map entries */
#define FNIC_DFLT_IO_REQ 256 /* Default scsi_cmnd tag map entries */
-#define FNIC_IO_LOCKS 64 /* IO locks: power of 2 */
#define FNIC_DFLT_QUEUE_DEPTH 256
#define FNIC_STATS_RATE_LIMIT 4 /* limit rate at which stats are pulled up */
@@ -109,7 +108,7 @@ static inline u64 fnic_flags_and_state(struct scsi_cmnd *cmd)
#define FNIC_ABT_TERM_DELAY_TIMEOUT 500 /* mSec */
#define FNIC_MAX_FCP_TARGET 256
-
+#define FNIC_PCI_OFFSET 2
/**
* state_flags to identify host state along along with fnic's state
**/
@@ -144,31 +143,48 @@ do { \
} while (0); \
} while (0)
-#define FNIC_MAIN_DBG(kern_level, host, fmt, args...) \
+#define FNIC_MAIN_DBG(kern_level, host, fnic_num, fmt, args...) \
FNIC_CHECK_LOGGING(FNIC_MAIN_LOGGING, \
- shost_printk(kern_level, host, fmt, ##args);)
+ shost_printk(kern_level, host, \
+ "fnic<%d>: %s: %d: " fmt, fnic_num,\
+ __func__, __LINE__, ##args);)
-#define FNIC_FCS_DBG(kern_level, host, fmt, args...) \
+#define FNIC_FCS_DBG(kern_level, host, fnic_num, fmt, args...) \
FNIC_CHECK_LOGGING(FNIC_FCS_LOGGING, \
- shost_printk(kern_level, host, fmt, ##args);)
+ shost_printk(kern_level, host, \
+ "fnic<%d>: %s: %d: " fmt, fnic_num,\
+ __func__, __LINE__, ##args);)
-#define FNIC_SCSI_DBG(kern_level, host, fmt, args...) \
+#define FNIC_SCSI_DBG(kern_level, host, fnic_num, fmt, args...) \
FNIC_CHECK_LOGGING(FNIC_SCSI_LOGGING, \
- shost_printk(kern_level, host, fmt, ##args);)
+ shost_printk(kern_level, host, \
+ "fnic<%d>: %s: %d: " fmt, fnic_num,\
+ __func__, __LINE__, ##args);)
-#define FNIC_ISR_DBG(kern_level, host, fmt, args...) \
+#define FNIC_ISR_DBG(kern_level, host, fnic_num, fmt, args...) \
FNIC_CHECK_LOGGING(FNIC_ISR_LOGGING, \
- shost_printk(kern_level, host, fmt, ##args);)
+ shost_printk(kern_level, host, \
+ "fnic<%d>: %s: %d: " fmt, fnic_num,\
+ __func__, __LINE__, ##args);)
#define FNIC_MAIN_NOTE(kern_level, host, fmt, args...) \
shost_printk(kern_level, host, fmt, ##args)
+#define FNIC_WQ_COPY_MAX 64
+#define FNIC_WQ_MAX 1
+#define FNIC_RQ_MAX 1
+#define FNIC_CQ_MAX (FNIC_WQ_COPY_MAX + FNIC_WQ_MAX + FNIC_RQ_MAX)
+#define FNIC_DFLT_IO_COMPLETIONS 256
+
+#define FNIC_MQ_CQ_INDEX 2
+
extern const char *fnic_state_str[];
enum fnic_intx_intr_index {
FNIC_INTX_WQ_RQ_COPYWQ,
- FNIC_INTX_ERR,
+ FNIC_INTX_DUMMY,
FNIC_INTX_NOTIFY,
+ FNIC_INTX_ERR,
FNIC_INTX_INTR_MAX,
};
@@ -176,7 +192,7 @@ enum fnic_msix_intr_index {
FNIC_MSIX_RQ,
FNIC_MSIX_WQ,
FNIC_MSIX_WQ_COPY,
- FNIC_MSIX_ERR_NOTIFY,
+ FNIC_MSIX_ERR_NOTIFY = FNIC_MSIX_WQ_COPY + FNIC_WQ_COPY_MAX,
FNIC_MSIX_INTR_MAX,
};
@@ -185,6 +201,7 @@ struct fnic_msix_entry {
char devname[IFNAMSIZ + 11];
irqreturn_t (*isr)(int, void *);
void *devid;
+ int irq_num;
};
enum fnic_state {
@@ -194,12 +211,6 @@ enum fnic_state {
FNIC_IN_ETH_TRANS_FC_MODE,
};
-#define FNIC_WQ_COPY_MAX 1
-#define FNIC_WQ_MAX 1
-#define FNIC_RQ_MAX 1
-#define FNIC_CQ_MAX (FNIC_WQ_COPY_MAX + FNIC_WQ_MAX + FNIC_RQ_MAX)
-#define FNIC_DFLT_IO_COMPLETIONS 256
-
struct mempool;
enum fnic_evt {
@@ -214,8 +225,16 @@ struct fnic_event {
enum fnic_evt event;
};
+struct fnic_cpy_wq {
+ unsigned long hw_lock_flags;
+ u16 active_ioreq_count;
+ u16 ioreq_table_size;
+ ____cacheline_aligned struct fnic_io_req **io_req_table;
+};
+
/* Per-instance private data structure */
struct fnic {
+ int fnic_num;
struct fc_lport *lport;
struct fcoe_ctlr ctlr; /* FIP FCoE controller structure */
struct vnic_dev_bar bar0;
@@ -282,10 +301,11 @@ struct fnic {
struct fnic_host_tag *tags;
mempool_t *io_req_pool;
mempool_t *io_sgl_pool[FNIC_SGL_NUM_CACHES];
- spinlock_t io_req_lock[FNIC_IO_LOCKS]; /* locks for scsi cmnds */
+ unsigned int copy_wq_base;
struct work_struct link_work;
struct work_struct frame_work;
+ struct work_struct flush_work;
struct sk_buff_head frame_queue;
struct sk_buff_head tx_queue;
@@ -302,7 +322,9 @@ struct fnic {
/*** FIP related data members -- end ***/
/* copy work queue cache line section */
- ____cacheline_aligned struct vnic_wq_copy wq_copy[FNIC_WQ_COPY_MAX];
+ ____cacheline_aligned struct vnic_wq_copy hw_copy_wq[FNIC_WQ_COPY_MAX];
+ ____cacheline_aligned struct fnic_cpy_wq sw_copy_wq[FNIC_WQ_COPY_MAX];
+
/* completion queue cache line section */
____cacheline_aligned struct vnic_cq cq[FNIC_CQ_MAX];
@@ -330,6 +352,7 @@ extern const struct attribute_group *fnic_host_groups[];
void fnic_clear_intr_mode(struct fnic *fnic);
int fnic_set_intr_mode(struct fnic *fnic);
+int fnic_set_intr_mode_msix(struct fnic *fnic);
void fnic_free_intr(struct fnic *fnic);
int fnic_request_intr(struct fnic *fnic);
@@ -341,7 +364,7 @@ void fnic_handle_event(struct work_struct *work);
int fnic_rq_cmpl_handler(struct fnic *fnic, int);
int fnic_alloc_rq_frame(struct vnic_rq *rq);
void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf);
-void fnic_flush_tx(struct fnic *);
+void fnic_flush_tx(struct work_struct *work);
void fnic_eth_send(struct fcoe_ctlr *, struct sk_buff *skb);
void fnic_set_port_id(struct fc_lport *, u32, struct fc_frame *);
void fnic_update_mac(struct fc_lport *, u8 *new);
@@ -356,7 +379,7 @@ void fnic_scsi_cleanup(struct fc_lport *);
void fnic_scsi_abort_io(struct fc_lport *);
void fnic_empty_scsi_cleanup(struct fc_lport *);
void fnic_exch_mgr_reset(struct fc_lport *, u32, u32);
-int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int);
+int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do, unsigned int cq_index);
int fnic_wq_cmpl_handler(struct fnic *fnic, int);
int fnic_flogi_reg_handler(struct fnic *fnic, u32);
void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
@@ -364,7 +387,7 @@ void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
int fnic_fw_reset_handler(struct fnic *fnic);
void fnic_terminate_rport_io(struct fc_rport *);
const char *fnic_state_to_str(unsigned int state);
-
+void fnic_mq_map_queues_cpus(struct Scsi_Host *host);
void fnic_log_q_error(struct fnic *fnic);
void fnic_handle_link_event(struct fnic *fnic);
diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c
index 55632c67a8..a08293b2ad 100644
--- a/drivers/scsi/fnic/fnic_fcs.c
+++ b/drivers/scsi/fnic/fnic_fcs.c
@@ -63,8 +63,8 @@ void fnic_handle_link(struct work_struct *work)
atomic64_set(&fnic->fnic_stats.misc_stats.current_port_speed,
new_port_speed);
if (old_port_speed != new_port_speed)
- FNIC_MAIN_DBG(KERN_INFO, fnic->lport->host,
- "Current vnic speed set to : %llu\n",
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "Current vnic speed set to: %llu\n",
new_port_speed);
switch (vnic_dev_port_speed(fnic->vdev)) {
@@ -102,6 +102,8 @@ void fnic_handle_link(struct work_struct *work)
fnic_fc_trace_set_data(fnic->lport->host->host_no,
FNIC_FC_LE, "Link Status: DOWN->DOWN",
strlen("Link Status: DOWN->DOWN"));
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "down->down\n");
} else {
if (old_link_down_cnt != fnic->link_down_cnt) {
/* UP -> DOWN -> UP */
@@ -113,7 +115,7 @@ void fnic_handle_link(struct work_struct *work)
"Link Status:UP_DOWN_UP",
strlen("Link_Status:UP_DOWN_UP")
);
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"link down\n");
fcoe_ctlr_link_down(&fnic->ctlr);
if (fnic->config.flags & VFCF_FIP_CAPABLE) {
@@ -128,8 +130,8 @@ void fnic_handle_link(struct work_struct *work)
fnic_fcoe_send_vlan_req(fnic);
return;
}
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
- "link up\n");
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "up->down->up: Link up\n");
fcoe_ctlr_link_up(&fnic->ctlr);
} else {
/* UP -> UP */
@@ -138,6 +140,8 @@ void fnic_handle_link(struct work_struct *work)
fnic->lport->host->host_no, FNIC_FC_LE,
"Link Status: UP_UP",
strlen("Link Status: UP_UP"));
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "up->up\n");
}
}
} else if (fnic->link_status) {
@@ -153,7 +157,8 @@ void fnic_handle_link(struct work_struct *work)
return;
}
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "link up\n");
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "down->up: Link up\n");
fnic_fc_trace_set_data(fnic->lport->host->host_no, FNIC_FC_LE,
"Link Status: DOWN_UP", strlen("Link Status: DOWN_UP"));
fcoe_ctlr_link_up(&fnic->ctlr);
@@ -161,13 +166,14 @@ void fnic_handle_link(struct work_struct *work)
/* UP -> DOWN */
fnic->lport->host_stats.link_failure_count++;
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "link down\n");
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "up->down: Link down\n");
fnic_fc_trace_set_data(
fnic->lport->host->host_no, FNIC_FC_LE,
"Link Status: UP_DOWN",
strlen("Link Status: UP_DOWN"));
if (fnic->config.flags & VFCF_FIP_CAPABLE) {
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"deleting fip-timer during link-down\n");
del_timer_sync(&fnic->fip_timer);
}
@@ -270,12 +276,12 @@ void fnic_handle_event(struct work_struct *work)
spin_lock_irqsave(&fnic->fnic_lock, flags);
break;
case FNIC_EVT_START_FCF_DISC:
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Start FCF Discovery\n");
fnic_fcoe_start_fcf_disc(fnic);
break;
default:
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Unknown event 0x%x\n", fevt->event);
break;
}
@@ -370,7 +376,7 @@ static void fnic_fcoe_send_vlan_req(struct fnic *fnic)
fnic->set_vlan(fnic, 0);
if (printk_ratelimit())
- FNIC_FCS_DBG(KERN_INFO, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
"Sending VLAN request...\n");
skb = dev_alloc_skb(sizeof(struct fip_vlan));
@@ -423,12 +429,12 @@ static void fnic_fcoe_process_vlan_resp(struct fnic *fnic, struct sk_buff *skb)
u64 sol_time;
unsigned long flags;
- FNIC_FCS_DBG(KERN_INFO, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
"Received VLAN response...\n");
fiph = (struct fip_header *) skb->data;
- FNIC_FCS_DBG(KERN_INFO, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
"Received VLAN response... OP 0x%x SUB_OP 0x%x\n",
ntohs(fiph->fip_op), fiph->fip_subcode);
@@ -463,7 +469,7 @@ static void fnic_fcoe_process_vlan_resp(struct fnic *fnic, struct sk_buff *skb)
if (list_empty(&fnic->vlans)) {
/* retry from timer */
atomic64_inc(&fnic_stats->vlan_stats.resp_withno_vlanID);
- FNIC_FCS_DBG(KERN_INFO, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
"No VLAN descriptors in FIP VLAN response\n");
spin_unlock_irqrestore(&fnic->vlans_lock, flags);
goto out;
@@ -721,7 +727,8 @@ void fnic_update_mac_locked(struct fnic *fnic, u8 *new)
new = ctl;
if (ether_addr_equal(data, new))
return;
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, "update_mac %pM\n", new);
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
+ "update_mac %pM\n", new);
if (!is_zero_ether_addr(data) && !ether_addr_equal(data, ctl))
vnic_dev_del_addr(fnic->vdev, data);
memcpy(data, new, ETH_ALEN);
@@ -763,8 +770,9 @@ void fnic_set_port_id(struct fc_lport *lport, u32 port_id, struct fc_frame *fp)
u8 *mac;
int ret;
- FNIC_FCS_DBG(KERN_DEBUG, lport->host, "set port_id %x fp %p\n",
- port_id, fp);
+ FNIC_FCS_DBG(KERN_DEBUG, lport->host, fnic->fnic_num,
+ "set port_id 0x%x fp 0x%p\n",
+ port_id, fp);
/*
* If we're clearing the FC_ID, change to use the ctl_src_addr.
@@ -790,10 +798,9 @@ void fnic_set_port_id(struct fc_lport *lport, u32 port_id, struct fc_frame *fp)
if (fnic->state == FNIC_IN_ETH_MODE || fnic->state == FNIC_IN_FC_MODE)
fnic->state = FNIC_IN_ETH_TRANS_FC_MODE;
else {
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
- "Unexpected fnic state %s while"
- " processing flogi resp\n",
- fnic_state_to_str(fnic->state));
+ FNIC_FCS_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "Unexpected fnic state: %s processing FLOGI response",
+ fnic_state_to_str(fnic->state));
spin_unlock_irq(&fnic->fnic_lock);
return;
}
@@ -870,7 +877,7 @@ static void fnic_rq_cmpl_frame_recv(struct vnic_rq *rq, struct cq_desc
skb_trim(skb, bytes_written);
if (!fcs_ok) {
atomic64_inc(&fnic_stats->misc_stats.frame_errors);
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"fcs error. dropping packet.\n");
goto drop;
}
@@ -886,7 +893,7 @@ static void fnic_rq_cmpl_frame_recv(struct vnic_rq *rq, struct cq_desc
if (!fcs_ok || packet_error || !fcoe_fc_crc_ok || fcoe_enc_error) {
atomic64_inc(&fnic_stats->misc_stats.frame_errors);
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"fnic rq_cmpl fcoe x%x fcsok x%x"
" pkterr x%x fcoe_fc_crc_ok x%x, fcoe_enc_err"
" x%x\n",
@@ -967,7 +974,7 @@ int fnic_alloc_rq_frame(struct vnic_rq *rq)
len = FC_FRAME_HEADROOM + FC_MAX_FRAME + FC_FRAME_TAILROOM;
skb = dev_alloc_skb(len);
if (!skb) {
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Unable to allocate RQ sk_buff\n");
return -ENOMEM;
}
@@ -1175,7 +1182,7 @@ int fnic_send(struct fc_lport *lp, struct fc_frame *fp)
/**
* fnic_flush_tx() - send queued frames.
- * @fnic: fnic device
+ * @work: pointer to work element
*
* Send frames that were waiting to go out in FC or Ethernet mode.
* Whenever changing modes we purge queued frames, so these frames should
@@ -1183,8 +1190,9 @@ int fnic_send(struct fc_lport *lp, struct fc_frame *fp)
*
* Called without fnic_lock held.
*/
-void fnic_flush_tx(struct fnic *fnic)
+void fnic_flush_tx(struct work_struct *work)
{
+ struct fnic *fnic = container_of(work, struct fnic, flush_work);
struct sk_buff *skb;
struct fc_frame *fp;
@@ -1341,12 +1349,12 @@ void fnic_handle_fip_timer(struct fnic *fnic)
}
vlan = list_first_entry(&fnic->vlans, struct fcoe_vlan, list);
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"fip_timer: vlan %d state %d sol_count %d\n",
vlan->vid, vlan->state, vlan->sol_count);
switch (vlan->state) {
case FIP_VLAN_USED:
- FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"FIP VLAN is selected for FC transaction\n");
spin_unlock_irqrestore(&fnic->vlans_lock, flags);
break;
@@ -1365,7 +1373,7 @@ void fnic_handle_fip_timer(struct fnic *fnic)
* no response on this vlan, remove from the list.
* Try the next vlan
*/
- FNIC_FCS_DBG(KERN_INFO, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
"Dequeue this VLAN ID %d from list\n",
vlan->vid);
list_del(&vlan->list);
@@ -1375,7 +1383,7 @@ void fnic_handle_fip_timer(struct fnic *fnic)
/* we exhausted all vlans, restart vlan disc */
spin_unlock_irqrestore(&fnic->vlans_lock,
flags);
- FNIC_FCS_DBG(KERN_INFO, fnic->lport->host,
+ FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
"fip_timer: vlan list empty, "
"trigger vlan disc\n");
fnic_event_enq(fnic, FNIC_EVT_START_VLAN_DISC);
diff --git a/drivers/scsi/fnic/fnic_isr.c b/drivers/scsi/fnic/fnic_isr.c
index 8896758fed..ff85441c6c 100644
--- a/drivers/scsi/fnic/fnic_isr.c
+++ b/drivers/scsi/fnic/fnic_isr.c
@@ -38,8 +38,13 @@ static irqreturn_t fnic_isr_legacy(int irq, void *data)
fnic_log_q_error(fnic);
}
+ if (pba & (1 << FNIC_INTX_DUMMY)) {
+ atomic64_inc(&fnic->fnic_stats.misc_stats.intx_dummy);
+ vnic_intr_return_all_credits(&fnic->intr[FNIC_INTX_DUMMY]);
+ }
+
if (pba & (1 << FNIC_INTX_WQ_RQ_COPYWQ)) {
- work_done += fnic_wq_copy_cmpl_handler(fnic, io_completions);
+ work_done += fnic_wq_copy_cmpl_handler(fnic, io_completions, FNIC_MQ_CQ_INDEX);
work_done += fnic_wq_cmpl_handler(fnic, -1);
work_done += fnic_rq_cmpl_handler(fnic, -1);
@@ -60,7 +65,7 @@ static irqreturn_t fnic_isr_msi(int irq, void *data)
fnic->fnic_stats.misc_stats.last_isr_time = jiffies;
atomic64_inc(&fnic->fnic_stats.misc_stats.isr_count);
- work_done += fnic_wq_copy_cmpl_handler(fnic, io_completions);
+ work_done += fnic_wq_copy_cmpl_handler(fnic, io_completions, FNIC_MQ_CQ_INDEX);
work_done += fnic_wq_cmpl_handler(fnic, -1);
work_done += fnic_rq_cmpl_handler(fnic, -1);
@@ -109,12 +114,22 @@ static irqreturn_t fnic_isr_msix_wq_copy(int irq, void *data)
{
struct fnic *fnic = data;
unsigned long wq_copy_work_done = 0;
+ int i;
fnic->fnic_stats.misc_stats.last_isr_time = jiffies;
atomic64_inc(&fnic->fnic_stats.misc_stats.isr_count);
- wq_copy_work_done = fnic_wq_copy_cmpl_handler(fnic, io_completions);
- vnic_intr_return_credits(&fnic->intr[FNIC_MSIX_WQ_COPY],
+ i = irq - fnic->msix[0].irq_num;
+ if (i >= fnic->wq_copy_count + fnic->copy_wq_base ||
+ i < 0 || fnic->msix[i].irq_num != irq) {
+ for (i = fnic->copy_wq_base; i < fnic->wq_copy_count + fnic->copy_wq_base ; i++) {
+ if (fnic->msix[i].irq_num == irq)
+ break;
+ }
+ }
+
+ wq_copy_work_done = fnic_wq_copy_cmpl_handler(fnic, io_completions, i);
+ vnic_intr_return_credits(&fnic->intr[i],
wq_copy_work_done,
1 /* unmask intr */,
1 /* reset intr timer */);
@@ -128,7 +143,7 @@ static irqreturn_t fnic_isr_msix_err_notify(int irq, void *data)
fnic->fnic_stats.misc_stats.last_isr_time = jiffies;
atomic64_inc(&fnic->fnic_stats.misc_stats.isr_count);
- vnic_intr_return_all_credits(&fnic->intr[FNIC_MSIX_ERR_NOTIFY]);
+ vnic_intr_return_all_credits(&fnic->intr[fnic->err_intr_offset]);
fnic_log_q_error(fnic);
fnic_handle_link_event(fnic);
@@ -186,26 +201,30 @@ int fnic_request_intr(struct fnic *fnic)
fnic->msix[FNIC_MSIX_WQ].isr = fnic_isr_msix_wq;
fnic->msix[FNIC_MSIX_WQ].devid = fnic;
- sprintf(fnic->msix[FNIC_MSIX_WQ_COPY].devname,
- "%.11s-scsi-wq", fnic->name);
- fnic->msix[FNIC_MSIX_WQ_COPY].isr = fnic_isr_msix_wq_copy;
- fnic->msix[FNIC_MSIX_WQ_COPY].devid = fnic;
+ for (i = fnic->copy_wq_base; i < fnic->wq_copy_count + fnic->copy_wq_base; i++) {
+ sprintf(fnic->msix[i].devname,
+ "%.11s-scsi-wq-%d", fnic->name, i-FNIC_MSIX_WQ_COPY);
+ fnic->msix[i].isr = fnic_isr_msix_wq_copy;
+ fnic->msix[i].devid = fnic;
+ }
- sprintf(fnic->msix[FNIC_MSIX_ERR_NOTIFY].devname,
+ sprintf(fnic->msix[fnic->err_intr_offset].devname,
"%.11s-err-notify", fnic->name);
- fnic->msix[FNIC_MSIX_ERR_NOTIFY].isr =
+ fnic->msix[fnic->err_intr_offset].isr =
fnic_isr_msix_err_notify;
- fnic->msix[FNIC_MSIX_ERR_NOTIFY].devid = fnic;
+ fnic->msix[fnic->err_intr_offset].devid = fnic;
- for (i = 0; i < ARRAY_SIZE(fnic->msix); i++) {
- err = request_irq(pci_irq_vector(fnic->pdev, i),
- fnic->msix[i].isr, 0,
- fnic->msix[i].devname,
- fnic->msix[i].devid);
+ for (i = 0; i < fnic->intr_count; i++) {
+ fnic->msix[i].irq_num = pci_irq_vector(fnic->pdev, i);
+
+ err = request_irq(fnic->msix[i].irq_num,
+ fnic->msix[i].isr, 0,
+ fnic->msix[i].devname,
+ fnic->msix[i].devid);
if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "MSIX: request_irq"
- " failed %d\n", err);
+ FNIC_ISR_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "request_irq failed with error: %d\n",
+ err);
fnic_free_intr(fnic);
break;
}
@@ -220,44 +239,99 @@ int fnic_request_intr(struct fnic *fnic)
return err;
}
-int fnic_set_intr_mode(struct fnic *fnic)
+int fnic_set_intr_mode_msix(struct fnic *fnic)
{
unsigned int n = ARRAY_SIZE(fnic->rq);
unsigned int m = ARRAY_SIZE(fnic->wq);
- unsigned int o = ARRAY_SIZE(fnic->wq_copy);
+ unsigned int o = ARRAY_SIZE(fnic->hw_copy_wq);
+ unsigned int min_irqs = n + m + 1 + 1; /*rq, raw wq, wq, err*/
/*
- * Set interrupt mode (INTx, MSI, MSI-X) depending
- * system capabilities.
- *
- * Try MSI-X first
- *
* We need n RQs, m WQs, o Copy WQs, n+m+o CQs, and n+m+o+1 INTRs
* (last INTR is used for WQ/RQ errors and notification area)
*/
- if (fnic->rq_count >= n &&
- fnic->raw_wq_count >= m &&
- fnic->wq_copy_count >= o &&
- fnic->cq_count >= n + m + o) {
- int vecs = n + m + o + 1;
-
- if (pci_alloc_irq_vectors(fnic->pdev, vecs, vecs,
- PCI_IRQ_MSIX) == vecs) {
+ FNIC_ISR_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "rq-array size: %d wq-array size: %d copy-wq array size: %d\n",
+ n, m, o);
+ FNIC_ISR_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "rq_count: %d raw_wq_count: %d wq_copy_count: %d cq_count: %d\n",
+ fnic->rq_count, fnic->raw_wq_count,
+ fnic->wq_copy_count, fnic->cq_count);
+
+ if (fnic->rq_count <= n && fnic->raw_wq_count <= m &&
+ fnic->wq_copy_count <= o) {
+ int vec_count = 0;
+ int vecs = fnic->rq_count + fnic->raw_wq_count + fnic->wq_copy_count + 1;
+
+ vec_count = pci_alloc_irq_vectors(fnic->pdev, min_irqs, vecs,
+ PCI_IRQ_MSIX | PCI_IRQ_AFFINITY);
+ FNIC_ISR_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "allocated %d MSI-X vectors\n",
+ vec_count);
+
+ if (vec_count > 0) {
+ if (vec_count < vecs) {
+ FNIC_ISR_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "interrupts number mismatch: vec_count: %d vecs: %d\n",
+ vec_count, vecs);
+ if (vec_count < min_irqs) {
+ FNIC_ISR_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "no interrupts for copy wq\n");
+ return 1;
+ }
+ }
+
fnic->rq_count = n;
fnic->raw_wq_count = m;
- fnic->wq_copy_count = o;
- fnic->wq_count = m + o;
- fnic->cq_count = n + m + o;
- fnic->intr_count = vecs;
- fnic->err_intr_offset = FNIC_MSIX_ERR_NOTIFY;
-
- FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
- "Using MSI-X Interrupts\n");
- vnic_dev_set_intr_mode(fnic->vdev,
- VNIC_DEV_INTR_MODE_MSIX);
+ fnic->copy_wq_base = fnic->rq_count + fnic->raw_wq_count;
+ fnic->wq_copy_count = vec_count - n - m - 1;
+ fnic->wq_count = fnic->raw_wq_count + fnic->wq_copy_count;
+ if (fnic->cq_count != vec_count - 1) {
+ FNIC_ISR_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "CQ count: %d does not match MSI-X vector count: %d\n",
+ fnic->cq_count, vec_count);
+ fnic->cq_count = vec_count - 1;
+ }
+ fnic->intr_count = vec_count;
+ fnic->err_intr_offset = fnic->rq_count + fnic->wq_count;
+
+ FNIC_ISR_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "rq_count: %d raw_wq_count: %d copy_wq_base: %d\n",
+ fnic->rq_count,
+ fnic->raw_wq_count, fnic->copy_wq_base);
+
+ FNIC_ISR_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "wq_copy_count: %d wq_count: %d cq_count: %d\n",
+ fnic->wq_copy_count,
+ fnic->wq_count, fnic->cq_count);
+
+ FNIC_ISR_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "intr_count: %d err_intr_offset: %u",
+ fnic->intr_count,
+ fnic->err_intr_offset);
+
+ vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_MSIX);
+ FNIC_ISR_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "fnic using MSI-X\n");
return 0;
}
}
+ return 1;
+}
+
+int fnic_set_intr_mode(struct fnic *fnic)
+{
+ int ret_status = 0;
+
+ /*
+ * Set interrupt mode (INTx, MSI, MSI-X) depending
+ * system capabilities.
+ *
+ * Try MSI-X first
+ */
+ ret_status = fnic_set_intr_mode_msix(fnic);
+ if (ret_status == 0)
+ return ret_status;
/*
* Next try MSI
@@ -277,7 +351,7 @@ int fnic_set_intr_mode(struct fnic *fnic)
fnic->intr_count = 1;
fnic->err_intr_offset = 0;
- FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Using MSI Interrupts\n");
vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_MSI);
@@ -303,7 +377,7 @@ int fnic_set_intr_mode(struct fnic *fnic)
fnic->cq_count = 3;
fnic->intr_count = 3;
- FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_ISR_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Using Legacy Interrupts\n");
vnic_dev_set_intr_mode(fnic->vdev, VNIC_DEV_INTR_MODE_INTX);
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index f27f9319e0..29eead383e 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -12,9 +12,11 @@
#include <linux/pci.h>
#include <linux/skbuff.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <linux/if_ether.h>
+#include <linux/blk-mq-pci.h>
#include <scsi/fc/fc_fip.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport.h>
@@ -39,6 +41,7 @@ static struct kmem_cache *fnic_sgl_cache[FNIC_SGL_NUM_CACHES];
static struct kmem_cache *fnic_io_req_cache;
static LIST_HEAD(fnic_list);
static DEFINE_SPINLOCK(fnic_list_lock);
+static DEFINE_IDA(fnic_ida);
/* Supported devices by fnic module */
static struct pci_device_id fnic_id_table[] = {
@@ -113,6 +116,7 @@ static const struct scsi_host_template fnic_host_template = {
.shost_groups = fnic_host_groups,
.track_queue_depth = 1,
.cmd_size = sizeof(struct fnic_cmd_priv),
+ .map_queues = fnic_mq_map_queues_cpus,
};
static void
@@ -209,7 +213,7 @@ static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *host)
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
if (ret) {
- FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"fnic: Get vnic stats failed"
" 0x%x", ret);
return stats;
@@ -321,7 +325,7 @@ static void fnic_reset_host_stats(struct Scsi_Host *host)
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
if (ret) {
- FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"fnic: Reset vnic stats failed"
" 0x%x", ret);
return;
@@ -354,7 +358,7 @@ void fnic_log_q_error(struct fnic *fnic)
}
for (i = 0; i < fnic->wq_copy_count; i++) {
- error_status = ioread32(&fnic->wq_copy[i].ctrl->error_status);
+ error_status = ioread32(&fnic->hw_copy_wq[i].ctrl->error_status);
if (error_status)
shost_printk(KERN_ERR, fnic->lport->host,
"CWQ[%d] error_status"
@@ -389,7 +393,7 @@ static int fnic_notify_set(struct fnic *fnic)
err = vnic_dev_notify_set(fnic->vdev, -1);
break;
case VNIC_DEV_INTR_MODE_MSIX:
- err = vnic_dev_notify_set(fnic->vdev, FNIC_MSIX_ERR_NOTIFY);
+ err = vnic_dev_notify_set(fnic->vdev, fnic->wq_copy_count + fnic->copy_wq_base);
break;
default:
shost_printk(KERN_ERR, fnic->lport->host,
@@ -475,6 +479,7 @@ static int fnic_cleanup(struct fnic *fnic)
{
unsigned int i;
int err;
+ int raw_wq_rq_counts;
vnic_dev_disable(fnic->vdev);
for (i = 0; i < fnic->intr_count; i++)
@@ -491,13 +496,14 @@ static int fnic_cleanup(struct fnic *fnic)
return err;
}
for (i = 0; i < fnic->wq_copy_count; i++) {
- err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
+ err = vnic_wq_copy_disable(&fnic->hw_copy_wq[i]);
if (err)
return err;
+ raw_wq_rq_counts = fnic->raw_wq_count + fnic->rq_count;
+ fnic_wq_copy_cmpl_handler(fnic, -1, i + raw_wq_rq_counts);
}
/* Clean up completed IOs and FCS frames */
- fnic_wq_copy_cmpl_handler(fnic, io_completions);
fnic_wq_cmpl_handler(fnic, -1);
fnic_rq_cmpl_handler(fnic, -1);
@@ -507,7 +513,7 @@ static int fnic_cleanup(struct fnic *fnic)
for (i = 0; i < fnic->rq_count; i++)
vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
for (i = 0; i < fnic->wq_copy_count; i++)
- vnic_wq_copy_clean(&fnic->wq_copy[i],
+ vnic_wq_copy_clean(&fnic->hw_copy_wq[i],
fnic_wq_copy_cleanup_handler);
for (i = 0; i < fnic->cq_count; i++)
@@ -560,11 +566,6 @@ static int fnic_scsi_drv_init(struct fnic *fnic)
host->max_cmd_len = FCOE_MAX_CMD_LEN;
host->nr_hw_queues = fnic->wq_copy_count;
- if (host->nr_hw_queues > 1)
- shost_printk(KERN_ERR, host,
- "fnic: blk-mq is not supported");
-
- host->nr_hw_queues = fnic->wq_copy_count = 1;
shost_printk(KERN_INFO, host,
"fnic: can_queue: %d max_lun: %llu",
@@ -577,15 +578,43 @@ static int fnic_scsi_drv_init(struct fnic *fnic)
return 0;
}
+void fnic_mq_map_queues_cpus(struct Scsi_Host *host)
+{
+ struct fc_lport *lp = shost_priv(host);
+ struct fnic *fnic = lport_priv(lp);
+ struct pci_dev *l_pdev = fnic->pdev;
+ int intr_mode = fnic->config.intr_mode;
+ struct blk_mq_queue_map *qmap = &host->tag_set.map[HCTX_TYPE_DEFAULT];
+
+ if (intr_mode == VNIC_DEV_INTR_MODE_MSI || intr_mode == VNIC_DEV_INTR_MODE_INTX) {
+ FNIC_MAIN_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "intr_mode is not msix\n");
+ return;
+ }
+
+ FNIC_MAIN_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "qmap->nr_queues: %d\n", qmap->nr_queues);
+
+ if (l_pdev == NULL) {
+ FNIC_MAIN_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "l_pdev is null\n");
+ return;
+ }
+
+ blk_mq_pci_map_queues(qmap, l_pdev, FNIC_PCI_OFFSET);
+}
+
static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct Scsi_Host *host;
struct fc_lport *lp;
struct fnic *fnic;
mempool_t *pool;
- int err;
+ int err = 0;
+ int fnic_id = 0;
int i;
unsigned long flags;
+ int hwq;
/*
* Allocate SCSI Host and set up association between host,
@@ -597,25 +626,28 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
err = -ENOMEM;
goto err_out;
}
+
host = lp->host;
fnic = lport_priv(lp);
+
+ fnic_id = ida_alloc(&fnic_ida, GFP_KERNEL);
+ if (fnic_id < 0) {
+ pr_err("Unable to alloc fnic ID\n");
+ err = fnic_id;
+ goto err_out_ida_alloc;
+ }
fnic->lport = lp;
fnic->ctlr.lp = lp;
-
fnic->link_events = 0;
+ fnic->pdev = pdev;
snprintf(fnic->name, sizeof(fnic->name) - 1, "%s%d", DRV_NAME,
host->host_no);
host->transportt = fnic_fc_transport;
-
+ fnic->fnic_num = fnic_id;
fnic_stats_debugfs_init(fnic);
- /* Setup PCI resources */
- pci_set_drvdata(pdev, fnic);
-
- fnic->pdev = pdev;
-
err = pci_enable_device(pdev);
if (err) {
shost_printk(KERN_ERR, fnic->lport->host,
@@ -717,7 +749,8 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_dev_close;
}
- fnic_scsi_drv_init(fnic);
+ /* Setup PCI resources */
+ pci_set_drvdata(pdev, fnic);
fnic_get_res_counts(fnic);
@@ -737,6 +770,16 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_clear_intr;
}
+ fnic_scsi_drv_init(fnic);
+
+ for (hwq = 0; hwq < fnic->wq_copy_count; hwq++) {
+ fnic->sw_copy_wq[hwq].ioreq_table_size = fnic->fnic_max_tag_id;
+ fnic->sw_copy_wq[hwq].io_req_table =
+ kzalloc((fnic->sw_copy_wq[hwq].ioreq_table_size + 1) *
+ sizeof(struct fnic_io_req *), GFP_KERNEL);
+ }
+ shost_printk(KERN_INFO, fnic->lport->host, "fnic copy wqs: %d, Q0 ioreq table size: %d\n",
+ fnic->wq_copy_count, fnic->sw_copy_wq[0].ioreq_table_size);
/* initialize all fnic locks */
spin_lock_init(&fnic->fnic_lock);
@@ -751,11 +794,6 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
fnic->fw_ack_index[i] = -1;
}
- for (i = 0; i < FNIC_IO_LOCKS; i++)
- spin_lock_init(&fnic->io_req_lock[i]);
-
- spin_lock_init(&fnic->sgreset_lock);
-
err = -ENOMEM;
fnic->io_req_pool = mempool_create_slab_pool(2, fnic_io_req_cache);
if (!fnic->io_req_pool)
@@ -792,6 +830,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
spin_lock_init(&fnic->vlans_lock);
INIT_WORK(&fnic->fip_frame_work, fnic_handle_fip_frame);
INIT_WORK(&fnic->event_work, fnic_handle_event);
+ INIT_WORK(&fnic->flush_work, fnic_flush_tx);
skb_queue_head_init(&fnic->fip_frame_queue);
INIT_LIST_HEAD(&fnic->evlist);
INIT_LIST_HEAD(&fnic->vlans);
@@ -823,16 +862,32 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* allocate RQ buffers and post them to RQ*/
for (i = 0; i < fnic->rq_count; i++) {
- vnic_rq_enable(&fnic->rq[i]);
err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
if (err) {
shost_printk(KERN_ERR, fnic->lport->host,
"fnic_alloc_rq_frame can't alloc "
"frame\n");
- goto err_out_free_rq_buf;
+ goto err_out_rq_buf;
}
}
+ /* Enable all queues */
+ for (i = 0; i < fnic->raw_wq_count; i++)
+ vnic_wq_enable(&fnic->wq[i]);
+ for (i = 0; i < fnic->rq_count; i++) {
+ if (!ioread32(&fnic->rq[i].ctrl->enable))
+ vnic_rq_enable(&fnic->rq[i]);
+ }
+ for (i = 0; i < fnic->wq_copy_count; i++)
+ vnic_wq_copy_enable(&fnic->hw_copy_wq[i]);
+
+ err = fnic_request_intr(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Unable to request irq.\n");
+ goto err_out_request_intr;
+ }
+
/*
* Initialization done with PCI system, hardware, firmware.
* Add host to SCSI
@@ -841,9 +896,10 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err) {
shost_printk(KERN_ERR, fnic->lport->host,
"fnic: scsi_add_host failed...exiting\n");
- goto err_out_free_rq_buf;
+ goto err_out_scsi_add_host;
}
+
/* Start local port initiatialization */
lp->link_up = 0;
@@ -867,7 +923,7 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!fc_exch_mgr_alloc(lp, FC_CLASS_3, FCPIO_HOST_EXCH_RANGE_START,
FCPIO_HOST_EXCH_RANGE_END, NULL)) {
err = -ENOMEM;
- goto err_out_remove_scsi_host;
+ goto err_out_fc_exch_mgr_alloc;
}
fc_lport_init_stats(lp);
@@ -895,21 +951,8 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
skb_queue_head_init(&fnic->frame_queue);
skb_queue_head_init(&fnic->tx_queue);
- /* Enable all queues */
- for (i = 0; i < fnic->raw_wq_count; i++)
- vnic_wq_enable(&fnic->wq[i]);
- for (i = 0; i < fnic->wq_copy_count; i++)
- vnic_wq_copy_enable(&fnic->wq_copy[i]);
-
fc_fabric_login(lp);
- err = fnic_request_intr(fnic);
- if (err) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Unable to request irq.\n");
- goto err_out_free_exch_mgr;
- }
-
vnic_dev_enable(fnic->vdev);
for (i = 0; i < fnic->intr_count; i++)
@@ -921,12 +964,15 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
err_out_free_exch_mgr:
fc_exch_mgr_free(lp);
-err_out_remove_scsi_host:
+err_out_fc_exch_mgr_alloc:
fc_remove_host(lp->host);
scsi_remove_host(lp->host);
-err_out_free_rq_buf:
+err_out_scsi_add_host:
+ fnic_free_intr(fnic);
+err_out_request_intr:
for (i = 0; i < fnic->rq_count; i++)
vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
+err_out_rq_buf:
vnic_dev_notify_unset(fnic->vdev);
err_out_free_max_pool:
mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX]);
@@ -935,6 +981,8 @@ err_out_free_dflt_pool:
err_out_free_ioreq_pool:
mempool_destroy(fnic->io_req_pool);
err_out_free_resources:
+ for (hwq = 0; hwq < fnic->wq_copy_count; hwq++)
+ kfree(fnic->sw_copy_wq[hwq].io_req_table);
fnic_free_vnic_resources(fnic);
err_out_clear_intr:
fnic_clear_intr_mode(fnic);
@@ -951,6 +999,8 @@ err_out_disable_device:
pci_disable_device(pdev);
err_out_free_hba:
fnic_stats_debugfs_remove(fnic);
+ ida_free(&fnic_ida, fnic->fnic_num);
+err_out_ida_alloc:
scsi_host_put(lp->host);
err_out:
return err;
@@ -961,6 +1011,7 @@ static void fnic_remove(struct pci_dev *pdev)
struct fnic *fnic = pci_get_drvdata(pdev);
struct fc_lport *lp = fnic->lport;
unsigned long flags;
+ int hwq;
/*
* Mark state so that the workqueue thread stops forwarding
@@ -1021,6 +1072,8 @@ static void fnic_remove(struct pci_dev *pdev)
fc_remove_host(fnic->lport->host);
scsi_remove_host(fnic->lport->host);
+ for (hwq = 0; hwq < fnic->wq_copy_count; hwq++)
+ kfree(fnic->sw_copy_wq[hwq].io_req_table);
fc_exch_mgr_free(fnic->lport);
vnic_dev_notify_unset(fnic->vdev);
fnic_free_intr(fnic);
@@ -1031,6 +1084,7 @@ static void fnic_remove(struct pci_dev *pdev)
fnic_iounmap(fnic);
pci_release_regions(pdev);
pci_disable_device(pdev);
+ ida_free(&fnic_ida, fnic->fnic_num);
scsi_host_put(lp->host);
}
@@ -1168,6 +1222,7 @@ static void __exit fnic_cleanup_module(void)
fnic_trace_free();
fnic_fc_trace_free();
fnic_debugfs_terminate();
+ ida_destroy(&fnic_ida);
}
module_init(fnic_init_module);
diff --git a/drivers/scsi/fnic/fnic_res.c b/drivers/scsi/fnic/fnic_res.c
index a1c9cfcace..33dd27f6f2 100644
--- a/drivers/scsi/fnic/fnic_res.c
+++ b/drivers/scsi/fnic/fnic_res.c
@@ -57,6 +57,8 @@ int fnic_get_vnic_config(struct fnic *fnic)
GET_CONFIG(port_down_timeout);
GET_CONFIG(port_down_io_retries);
GET_CONFIG(luns_per_tgt);
+ GET_CONFIG(intr_mode);
+ GET_CONFIG(wq_copy_count);
c->wq_enet_desc_count =
min_t(u32, VNIC_FNIC_WQ_DESCS_MAX,
@@ -131,6 +133,12 @@ int fnic_get_vnic_config(struct fnic *fnic)
c->intr_timer = min_t(u16, VNIC_INTR_TIMER_MAX, c->intr_timer);
c->intr_timer_type = c->intr_timer_type;
+ /* for older firmware, GET_CONFIG will not return anything */
+ if (c->wq_copy_count == 0)
+ c->wq_copy_count = 1;
+
+ c->wq_copy_count = min_t(u16, FNIC_WQ_COPY_MAX, c->wq_copy_count);
+
shost_printk(KERN_INFO, fnic->lport->host,
"vNIC MAC addr %pM "
"wq/wq_copy/rq %d/%d/%d\n",
@@ -161,6 +169,10 @@ int fnic_get_vnic_config(struct fnic *fnic)
shost_printk(KERN_INFO, fnic->lport->host,
"vNIC port dn io retries %d port dn timeout %d\n",
c->port_down_io_retries, c->port_down_timeout);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC wq_copy_count: %d\n", c->wq_copy_count);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC intr mode: %d\n", c->intr_mode);
return 0;
}
@@ -187,12 +199,25 @@ int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
void fnic_get_res_counts(struct fnic *fnic)
{
fnic->wq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_WQ);
- fnic->raw_wq_count = fnic->wq_count - 1;
- fnic->wq_copy_count = fnic->wq_count - fnic->raw_wq_count;
+ fnic->raw_wq_count = 1;
+ fnic->wq_copy_count = fnic->config.wq_copy_count;
fnic->rq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_RQ);
fnic->cq_count = vnic_dev_get_res_count(fnic->vdev, RES_TYPE_CQ);
fnic->intr_count = vnic_dev_get_res_count(fnic->vdev,
RES_TYPE_INTR_CTRL);
+
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC fw resources wq_count: %d\n", fnic->wq_count);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC fw resources raw_wq_count: %d\n", fnic->raw_wq_count);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC fw resources wq_copy_count: %d\n", fnic->wq_copy_count);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC fw resources rq_count: %d\n", fnic->rq_count);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC fw resources cq_count: %d\n", fnic->cq_count);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC fw resources intr_count: %d\n", fnic->intr_count);
}
void fnic_free_vnic_resources(struct fnic *fnic)
@@ -203,7 +228,7 @@ void fnic_free_vnic_resources(struct fnic *fnic)
vnic_wq_free(&fnic->wq[i]);
for (i = 0; i < fnic->wq_copy_count; i++)
- vnic_wq_copy_free(&fnic->wq_copy[i]);
+ vnic_wq_copy_free(&fnic->hw_copy_wq[i]);
for (i = 0; i < fnic->rq_count; i++)
vnic_rq_free(&fnic->rq[i]);
@@ -234,10 +259,15 @@ int fnic_alloc_vnic_resources(struct fnic *fnic)
intr_mode == VNIC_DEV_INTR_MODE_MSIX ?
"MSI-X" : "unknown");
- shost_printk(KERN_INFO, fnic->lport->host, "vNIC resources avail: "
- "wq %d cp_wq %d raw_wq %d rq %d cq %d intr %d\n",
- fnic->wq_count, fnic->wq_copy_count, fnic->raw_wq_count,
- fnic->rq_count, fnic->cq_count, fnic->intr_count);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC resources avail: wq %d cp_wq %d raw_wq %d rq %d",
+ fnic->wq_count, fnic->wq_copy_count,
+ fnic->raw_wq_count, fnic->rq_count);
+
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "vNIC resources avail: cq %d intr %d cpy-wq desc count %d\n",
+ fnic->cq_count, fnic->intr_count,
+ fnic->config.wq_copy_desc_count);
/* Allocate Raw WQ used for FCS frames */
for (i = 0; i < fnic->raw_wq_count; i++) {
@@ -250,7 +280,7 @@ int fnic_alloc_vnic_resources(struct fnic *fnic)
/* Allocate Copy WQs used for SCSI IOs */
for (i = 0; i < fnic->wq_copy_count; i++) {
- err = vnic_wq_copy_alloc(fnic->vdev, &fnic->wq_copy[i],
+ err = vnic_wq_copy_alloc(fnic->vdev, &fnic->hw_copy_wq[i],
(fnic->raw_wq_count + i),
fnic->config.wq_copy_desc_count,
sizeof(struct fcpio_host_req));
@@ -357,7 +387,7 @@ int fnic_alloc_vnic_resources(struct fnic *fnic)
}
for (i = 0; i < fnic->wq_copy_count; i++) {
- vnic_wq_copy_init(&fnic->wq_copy[i],
+ vnic_wq_copy_init(&fnic->hw_copy_wq[i],
0 /* cq_index 0 - always */,
error_interrupt_enable,
error_interrupt_offset);
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 416d819548..fc4cee91b1 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -92,20 +92,6 @@ static const char *fnic_fcpio_status_to_str(unsigned int status)
static void fnic_cleanup_io(struct fnic *fnic);
-static inline spinlock_t *fnic_io_lock_hash(struct fnic *fnic,
- struct scsi_cmnd *sc)
-{
- u32 hash = scsi_cmd_to_rq(sc)->tag & (FNIC_IO_LOCKS - 1);
-
- return &fnic->io_req_lock[hash];
-}
-
-static inline spinlock_t *fnic_io_lock_tag(struct fnic *fnic,
- int tag)
-{
- return &fnic->io_req_lock[tag & (FNIC_IO_LOCKS - 1)];
-}
-
/*
* Unmap the data buffer and sense buffer for an io_req,
* also unmap and free the device-private scatter/gather list.
@@ -129,23 +115,23 @@ static void fnic_release_ioreq_buf(struct fnic *fnic,
}
/* Free up Copy Wq descriptors. Called with copy_wq lock held */
-static int free_wq_copy_descs(struct fnic *fnic, struct vnic_wq_copy *wq)
+static int free_wq_copy_descs(struct fnic *fnic, struct vnic_wq_copy *wq, unsigned int hwq)
{
/* if no Ack received from firmware, then nothing to clean */
- if (!fnic->fw_ack_recd[0])
+ if (!fnic->fw_ack_recd[hwq])
return 1;
/*
* Update desc_available count based on number of freed descriptors
* Account for wraparound
*/
- if (wq->to_clean_index <= fnic->fw_ack_index[0])
- wq->ring.desc_avail += (fnic->fw_ack_index[0]
+ if (wq->to_clean_index <= fnic->fw_ack_index[hwq])
+ wq->ring.desc_avail += (fnic->fw_ack_index[hwq]
- wq->to_clean_index + 1);
else
wq->ring.desc_avail += (wq->ring.desc_count
- wq->to_clean_index
- + fnic->fw_ack_index[0] + 1);
+ + fnic->fw_ack_index[hwq] + 1);
/*
* just bump clean index to ack_index+1 accounting for wraparound
@@ -153,10 +139,10 @@ static int free_wq_copy_descs(struct fnic *fnic, struct vnic_wq_copy *wq)
* to_clean_index and fw_ack_index, both inclusive
*/
wq->to_clean_index =
- (fnic->fw_ack_index[0] + 1) % wq->ring.desc_count;
+ (fnic->fw_ack_index[hwq] + 1) % wq->ring.desc_count;
/* we have processed the acks received so far */
- fnic->fw_ack_recd[0] = 0;
+ fnic->fw_ack_recd[hwq] = 0;
return 0;
}
@@ -170,17 +156,14 @@ __fnic_set_state_flags(struct fnic *fnic, unsigned long st_flags,
unsigned long clearbits)
{
unsigned long flags = 0;
- unsigned long host_lock_flags = 0;
spin_lock_irqsave(&fnic->fnic_lock, flags);
- spin_lock_irqsave(fnic->lport->host->host_lock, host_lock_flags);
if (clearbits)
fnic->state_flags &= ~st_flags;
else
fnic->state_flags |= st_flags;
- spin_unlock_irqrestore(fnic->lport->host->host_lock, host_lock_flags);
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
return;
@@ -193,7 +176,7 @@ __fnic_set_state_flags(struct fnic *fnic, unsigned long st_flags,
*/
int fnic_fw_reset_handler(struct fnic *fnic)
{
- struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+ struct vnic_wq_copy *wq = &fnic->hw_copy_wq[0];
int ret = 0;
unsigned long flags;
@@ -210,7 +193,7 @@ int fnic_fw_reset_handler(struct fnic *fnic)
spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
- free_wq_copy_descs(fnic, wq);
+ free_wq_copy_descs(fnic, wq, 0);
if (!vnic_wq_copy_desc_avail(wq))
ret = -EAGAIN;
@@ -228,12 +211,12 @@ int fnic_fw_reset_handler(struct fnic *fnic)
if (!ret) {
atomic64_inc(&fnic->fnic_stats.reset_stats.fw_resets);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "Issued fw reset\n");
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "Issued fw reset\n");
} else {
fnic_clear_state_flags(fnic, FNIC_FLAGS_FWRESET);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "Failed to issue fw reset\n");
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "Failed to issue fw reset\n");
}
return ret;
@@ -246,7 +229,7 @@ int fnic_fw_reset_handler(struct fnic *fnic)
*/
int fnic_flogi_reg_handler(struct fnic *fnic, u32 fc_id)
{
- struct vnic_wq_copy *wq = &fnic->wq_copy[0];
+ struct vnic_wq_copy *wq = &fnic->hw_copy_wq[0];
enum fcpio_flogi_reg_format_type format;
struct fc_lport *lp = fnic->lport;
u8 gw_mac[ETH_ALEN];
@@ -256,7 +239,7 @@ int fnic_flogi_reg_handler(struct fnic *fnic, u32 fc_id)
spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
- free_wq_copy_descs(fnic, wq);
+ free_wq_copy_descs(fnic, wq, 0);
if (!vnic_wq_copy_desc_avail(wq)) {
ret = -EAGAIN;
@@ -276,15 +259,15 @@ int fnic_flogi_reg_handler(struct fnic *fnic, u32 fc_id)
fc_id, gw_mac,
fnic->data_src_addr,
lp->r_a_tov, lp->e_d_tov);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"FLOGI FIP reg issued fcid %x src %pM dest %pM\n",
fc_id, fnic->data_src_addr, gw_mac);
} else {
fnic_queue_wq_copy_desc_flogi_reg(wq, SCSI_NO_TAG,
format, fc_id, gw_mac);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "FLOGI reg issued fcid %x map %d dest %pM\n",
- fc_id, fnic->ctlr.map_dest, gw_mac);
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "FLOGI reg issued fcid 0x%x map %d dest 0x%p\n",
+ fc_id, fnic->ctlr.map_dest, gw_mac);
}
atomic64_inc(&fnic->fnic_stats.fw_stats.active_fw_reqs);
@@ -306,7 +289,9 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
struct vnic_wq_copy *wq,
struct fnic_io_req *io_req,
struct scsi_cmnd *sc,
- int sg_count)
+ int sg_count,
+ uint32_t mqtag,
+ uint16_t hwq)
{
struct scatterlist *sg;
struct fc_rport *rport = starget_to_rport(scsi_target(sc->device));
@@ -314,7 +299,6 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
struct host_sg_desc *desc;
struct misc_stats *misc_stats = &fnic->fnic_stats.misc_stats;
unsigned int i;
- unsigned long intr_flags;
int flags;
u8 exch_flags;
struct scsi_lun fc_lun;
@@ -354,14 +338,11 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
int_to_scsilun(sc->device->lun, &fc_lun);
/* Enqueue the descriptor in the Copy WQ */
- spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags);
-
- if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
- free_wq_copy_descs(fnic, wq);
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[hwq])
+ free_wq_copy_descs(fnic, wq, hwq);
if (unlikely(!vnic_wq_copy_desc_avail(wq))) {
- spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
"fnic_queue_wq_copy_desc failure - no descriptors\n");
atomic64_inc(&misc_stats->io_cpwq_alloc_failures);
return SCSI_MLQUEUE_HOST_BUSY;
@@ -378,7 +359,7 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
(rp->flags & FC_RP_FLAGS_RETRY))
exch_flags |= FCPIO_ICMND_SRFLAG_RETRY;
- fnic_queue_wq_copy_desc_icmnd_16(wq, scsi_cmd_to_rq(sc)->tag,
+ fnic_queue_wq_copy_desc_icmnd_16(wq, mqtag,
0, exch_flags, io_req->sgl_cnt,
SCSI_SENSE_BUFFERSIZE,
io_req->sgl_list_pa,
@@ -399,43 +380,52 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
atomic64_set(&fnic->fnic_stats.fw_stats.max_fw_reqs,
atomic64_read(&fnic->fnic_stats.fw_stats.active_fw_reqs));
- spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
return 0;
}
-/*
- * fnic_queuecommand
- * Routine to send a scsi cdb
- * Called with host_lock held and interrupts disabled.
- */
-static int fnic_queuecommand_lck(struct scsi_cmnd *sc)
+int fnic_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *sc)
{
+ struct request *const rq = scsi_cmd_to_rq(sc);
+ uint32_t mqtag = 0;
void (*done)(struct scsi_cmnd *) = scsi_done;
- const int tag = scsi_cmd_to_rq(sc)->tag;
struct fc_lport *lp = shost_priv(sc->device->host);
struct fc_rport *rport;
struct fnic_io_req *io_req = NULL;
struct fnic *fnic = lport_priv(lp);
struct fnic_stats *fnic_stats = &fnic->fnic_stats;
struct vnic_wq_copy *wq;
- int ret;
+ int ret = 1;
u64 cmd_trace;
int sg_count = 0;
unsigned long flags = 0;
unsigned long ptr;
- spinlock_t *io_lock = NULL;
int io_lock_acquired = 0;
struct fc_rport_libfc_priv *rp;
+ uint16_t hwq = 0;
+
+ mqtag = blk_mq_unique_tag(rq);
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
- if (unlikely(fnic_chk_state_flags_locked(fnic, FNIC_FLAGS_IO_BLOCKED)))
+ if (unlikely(fnic_chk_state_flags_locked(fnic, FNIC_FLAGS_IO_BLOCKED))) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "fnic IO blocked flags: 0x%lx. Returning SCSI_MLQUEUE_HOST_BUSY\n",
+ fnic->state_flags);
return SCSI_MLQUEUE_HOST_BUSY;
+ }
- if (unlikely(fnic_chk_state_flags_locked(fnic, FNIC_FLAGS_FWRESET)))
+ if (unlikely(fnic_chk_state_flags_locked(fnic, FNIC_FLAGS_FWRESET))) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "fnic flags: 0x%lx. Returning SCSI_MLQUEUE_HOST_BUSY\n",
+ fnic->state_flags);
return SCSI_MLQUEUE_HOST_BUSY;
+ }
rport = starget_to_rport(scsi_target(sc->device));
if (!rport) {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"returning DID_NO_CONNECT for IO as rport is NULL\n");
sc->result = DID_NO_CONNECT << 16;
done(sc);
@@ -444,7 +434,8 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc)
ret = fc_remote_port_chkready(rport);
if (ret) {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"rport is not ready\n");
atomic64_inc(&fnic_stats->misc_stats.rport_not_ready);
sc->result = ret;
@@ -454,7 +445,8 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc)
rp = rport->dd_data;
if (!rp || rp->rp_state == RPORT_ST_DELETE) {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"rport 0x%x removed, returning DID_NO_CONNECT\n",
rport->port_id);
@@ -465,7 +457,8 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc)
}
if (rp->rp_state != RPORT_ST_READY) {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"rport 0x%x in state 0x%x, returning DID_IMM_RETRY\n",
rport->port_id, rp->rp_state);
@@ -474,17 +467,17 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc)
return 0;
}
- if (lp->state != LPORT_ST_READY || !(lp->link_up))
+ if (lp->state != LPORT_ST_READY || !(lp->link_up)) {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "state not ready: %d/link not up: %d Returning HOST_BUSY\n",
+ lp->state, lp->link_up);
return SCSI_MLQUEUE_HOST_BUSY;
+ }
atomic_inc(&fnic->in_flight);
- /*
- * Release host lock, use driver resource specific locks from here.
- * Don't re-enable interrupts in case they were disabled prior to the
- * caller disabling them.
- */
- spin_unlock(lp->host->host_lock);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
fnic_priv(sc)->state = FNIC_IOREQ_NOT_INITED;
fnic_priv(sc)->flags = FNIC_NO_FLAGS;
@@ -501,7 +494,7 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc)
sg_count = scsi_dma_map(sc);
if (sg_count < 0) {
FNIC_TRACE(fnic_queuecommand, sc->device->host->host_no,
- tag, sc, 0, sc->cmnd[0], sg_count, fnic_priv(sc)->state);
+ mqtag, sc, 0, sc->cmnd[0], sg_count, fnic_priv(sc)->state);
mempool_free(io_req, fnic->io_req_pool);
goto out;
}
@@ -536,11 +529,10 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc)
}
/*
- * Will acquire lock defore setting to IO initialized.
+ * Will acquire lock before setting to IO initialized.
*/
-
- io_lock = fnic_io_lock_hash(fnic, sc);
- spin_lock_irqsave(io_lock, flags);
+ hwq = blk_mq_unique_tag_to_hwq(mqtag);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
/* initialize rest of io_req */
io_lock_acquired = 1;
@@ -549,28 +541,40 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc)
fnic_priv(sc)->state = FNIC_IOREQ_CMD_PENDING;
fnic_priv(sc)->io_req = io_req;
fnic_priv(sc)->flags |= FNIC_IO_INITIALIZED;
+ io_req->sc = sc;
+
+ if (fnic->sw_copy_wq[hwq].io_req_table[blk_mq_unique_tag_to_tag(mqtag)] != NULL) {
+ WARN(1, "fnic<%d>: %s: hwq: %d tag 0x%x already exists\n",
+ fnic->fnic_num, __func__, hwq, blk_mq_unique_tag_to_tag(mqtag));
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
+ return SCSI_MLQUEUE_HOST_BUSY;
+ }
+
+ fnic->sw_copy_wq[hwq].io_req_table[blk_mq_unique_tag_to_tag(mqtag)] = io_req;
+ io_req->tag = mqtag;
/* create copy wq desc and enqueue it */
- wq = &fnic->wq_copy[0];
- ret = fnic_queue_wq_copy_desc(fnic, wq, io_req, sc, sg_count);
+ wq = &fnic->hw_copy_wq[hwq];
+ atomic64_inc(&fnic_stats->io_stats.ios[hwq]);
+ ret = fnic_queue_wq_copy_desc(fnic, wq, io_req, sc, sg_count, mqtag, hwq);
if (ret) {
/*
* In case another thread cancelled the request,
* refetch the pointer under the lock.
*/
FNIC_TRACE(fnic_queuecommand, sc->device->host->host_no,
- tag, sc, 0, 0, 0, fnic_flags_and_state(sc));
+ mqtag, sc, 0, 0, 0, fnic_flags_and_state(sc));
io_req = fnic_priv(sc)->io_req;
fnic_priv(sc)->io_req = NULL;
+ if (io_req)
+ fnic->sw_copy_wq[hwq].io_req_table[blk_mq_unique_tag_to_tag(mqtag)] = NULL;
fnic_priv(sc)->state = FNIC_IOREQ_CMD_COMPLETE;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
if (io_req) {
fnic_release_ioreq_buf(fnic, io_req, sc);
mempool_free(io_req, fnic->io_req_pool);
}
atomic_dec(&fnic->in_flight);
- /* acquire host lock before returning to SCSI */
- spin_lock(lp->host->host_lock);
return ret;
} else {
atomic64_inc(&fnic_stats->io_stats.active_ios);
@@ -590,20 +594,17 @@ out:
sc->cmnd[5]);
FNIC_TRACE(fnic_queuecommand, sc->device->host->host_no,
- tag, sc, io_req, sg_count, cmd_trace,
+ mqtag, sc, io_req, sg_count, cmd_trace,
fnic_flags_and_state(sc));
/* if only we issued IO, will we have the io lock */
if (io_lock_acquired)
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
atomic_dec(&fnic->in_flight);
- /* acquire host lock before returning to SCSI */
- spin_lock(lp->host->host_lock);
return ret;
}
-DEF_SCSI_QCMD(fnic_queuecommand)
/*
* fnic_fcpio_fw_reset_cmpl_handler
@@ -636,15 +637,14 @@ static int fnic_fcpio_fw_reset_cmpl_handler(struct fnic *fnic,
if (fnic->state == FNIC_IN_FC_TRANS_ETH_MODE) {
/* Check status of reset completion */
if (!hdr_status) {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "reset cmpl success\n");
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "reset cmpl success\n");
/* Ready to send flogi out */
fnic->state = FNIC_IN_ETH_MODE;
} else {
- FNIC_SCSI_DBG(KERN_DEBUG,
- fnic->lport->host,
- "fnic fw_reset : failed %s\n",
- fnic_fcpio_status_to_str(hdr_status));
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "reset failed with header status: %s\n",
+ fnic_fcpio_status_to_str(hdr_status));
/*
* Unable to change to eth mode, cannot send out flogi
@@ -657,10 +657,9 @@ static int fnic_fcpio_fw_reset_cmpl_handler(struct fnic *fnic,
ret = -1;
}
} else {
- FNIC_SCSI_DBG(KERN_DEBUG,
- fnic->lport->host,
- "Unexpected state %s while processing"
- " reset cmpl\n", fnic_state_to_str(fnic->state));
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "Unexpected state while processing reset completion: %s\n",
+ fnic_state_to_str(fnic->state));
atomic64_inc(&reset_stats->fw_reset_failures);
ret = -1;
}
@@ -681,7 +680,7 @@ static int fnic_fcpio_fw_reset_cmpl_handler(struct fnic *fnic,
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
- fnic_flush_tx(fnic);
+ queue_work(fnic_event_queue, &fnic->flush_work);
reset_cmpl_handler_end:
fnic_clear_state_flags(fnic, FNIC_FLAGS_FWRESET);
@@ -711,19 +710,19 @@ static int fnic_fcpio_flogi_reg_cmpl_handler(struct fnic *fnic,
/* Check flogi registration completion status */
if (!hdr_status) {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"flog reg succeeded\n");
fnic->state = FNIC_IN_FC_MODE;
} else {
FNIC_SCSI_DBG(KERN_DEBUG,
- fnic->lport->host,
+ fnic->lport->host, fnic->fnic_num,
"fnic flogi reg :failed %s\n",
fnic_fcpio_status_to_str(hdr_status));
fnic->state = FNIC_IN_ETH_MODE;
ret = -1;
}
} else {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Unexpected fnic state %s while"
" processing flogi reg completion\n",
fnic_state_to_str(fnic->state));
@@ -737,7 +736,7 @@ static int fnic_fcpio_flogi_reg_cmpl_handler(struct fnic *fnic,
}
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
- fnic_flush_tx(fnic);
+ queue_work(fnic_event_queue, &fnic->flush_work);
queue_work(fnic_event_queue, &fnic->frame_work);
} else {
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
@@ -780,20 +779,21 @@ static inline void fnic_fcpio_ack_handler(struct fnic *fnic,
u16 request_out = desc->u.ack.request_out;
unsigned long flags;
u64 *ox_id_tag = (u64 *)(void *)desc;
+ unsigned int wq_index = cq_index;
/* mark the ack state */
- wq = &fnic->wq_copy[cq_index - fnic->raw_wq_count - fnic->rq_count];
- spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+ wq = &fnic->hw_copy_wq[cq_index];
+ spin_lock_irqsave(&fnic->wq_copy_lock[wq_index], flags);
fnic->fnic_stats.misc_stats.last_ack_time = jiffies;
if (is_ack_index_in_range(wq, request_out)) {
- fnic->fw_ack_index[0] = request_out;
- fnic->fw_ack_recd[0] = 1;
+ fnic->fw_ack_index[wq_index] = request_out;
+ fnic->fw_ack_recd[wq_index] = 1;
} else
atomic64_inc(
&fnic->fnic_stats.misc_stats.ack_index_out_of_range);
- spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[wq_index], flags);
FNIC_TRACE(fnic_fcpio_ack_handler,
fnic->lport->host->host_no, 0, 0, ox_id_tag[2], ox_id_tag[3],
ox_id_tag[4], ox_id_tag[5]);
@@ -803,12 +803,12 @@ static inline void fnic_fcpio_ack_handler(struct fnic *fnic,
* fnic_fcpio_icmnd_cmpl_handler
* Routine to handle icmnd completions
*/
-static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
+static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic, unsigned int cq_index,
struct fcpio_fw_req *desc)
{
u8 type;
u8 hdr_status;
- struct fcpio_tag tag;
+ struct fcpio_tag ftag;
u32 id;
u64 xfer_len = 0;
struct fcpio_icmnd_cmpl *icmnd_cmpl;
@@ -816,27 +816,47 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
struct scsi_cmnd *sc;
struct fnic_stats *fnic_stats = &fnic->fnic_stats;
unsigned long flags;
- spinlock_t *io_lock;
u64 cmd_trace;
unsigned long start_time;
unsigned long io_duration_time;
+ unsigned int hwq = 0;
+ unsigned int mqtag = 0;
+ unsigned int tag = 0;
/* Decode the cmpl description to get the io_req id */
- fcpio_header_dec(&desc->hdr, &type, &hdr_status, &tag);
- fcpio_tag_id_dec(&tag, &id);
+ fcpio_header_dec(&desc->hdr, &type, &hdr_status, &ftag);
+ fcpio_tag_id_dec(&ftag, &id);
icmnd_cmpl = &desc->u.icmnd_cmpl;
- if (id >= fnic->fnic_max_tag_id) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Tag out of range tag %x hdr status = %s\n",
- id, fnic_fcpio_status_to_str(hdr_status));
+ mqtag = id;
+ tag = blk_mq_unique_tag_to_tag(mqtag);
+ hwq = blk_mq_unique_tag_to_hwq(mqtag);
+
+ if (hwq != cq_index) {
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d mqtag: 0x%x tag: 0x%x cq index: %d ",
+ hwq, mqtag, tag, cq_index);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hdr status: %s icmnd completion on the wrong queue\n",
+ fnic_fcpio_status_to_str(hdr_status));
+ }
+
+ if (tag >= fnic->fnic_max_tag_id) {
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d mqtag: 0x%x tag: 0x%x cq index: %d ",
+ hwq, mqtag, tag, cq_index);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hdr status: %s Out of range tag\n",
+ fnic_fcpio_status_to_str(hdr_status));
return;
}
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
sc = scsi_host_find_tag(fnic->lport->host, id);
WARN_ON_ONCE(!sc);
if (!sc) {
atomic64_inc(&fnic_stats->io_stats.sc_null);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
shost_printk(KERN_ERR, fnic->lport->host,
"icmnd_cmpl sc is null - "
"hdr status = %s tag = 0x%x desc = 0x%p\n",
@@ -852,14 +872,19 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
return;
}
- io_lock = fnic_io_lock_hash(fnic, sc);
- spin_lock_irqsave(io_lock, flags);
io_req = fnic_priv(sc)->io_req;
+ if (fnic->sw_copy_wq[hwq].io_req_table[tag] != io_req) {
+ WARN(1, "%s: %d: hwq: %d mqtag: 0x%x tag: 0x%x io_req tag mismatch\n",
+ __func__, __LINE__, hwq, mqtag, tag);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
+ return;
+ }
+
WARN_ON_ONCE(!io_req);
if (!io_req) {
atomic64_inc(&fnic_stats->io_stats.ioreq_null);
fnic_priv(sc)->flags |= FNIC_IO_REQ_NULL;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
shost_printk(KERN_ERR, fnic->lport->host,
"icmnd_cmpl io_req is null - "
"hdr status = %s tag = 0x%x sc 0x%p\n",
@@ -883,11 +908,11 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
*/
fnic_priv(sc)->flags |= FNIC_IO_DONE;
fnic_priv(sc)->flags |= FNIC_IO_ABTS_PENDING;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
if(FCPIO_ABORTED == hdr_status)
fnic_priv(sc)->flags |= FNIC_IO_ABORTED;
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
"icmnd_cmpl abts pending "
"hdr status = %s tag = 0x%x sc = 0x%p "
"scsi_status = %x residual = %d\n",
@@ -971,7 +996,11 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
/* Break link with the SCSI command */
fnic_priv(sc)->io_req = NULL;
+ io_req->sc = NULL;
fnic_priv(sc)->flags |= FNIC_IO_DONE;
+ fnic->sw_copy_wq[hwq].io_req_table[tag] = NULL;
+
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
if (hdr_status != FCPIO_SUCCESS) {
atomic64_inc(&fnic_stats->io_stats.io_failures);
@@ -1005,7 +1034,6 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
/* Call SCSI completion function to complete the IO */
scsi_done(sc);
- spin_unlock_irqrestore(io_lock, flags);
mempool_free(io_req, fnic->io_req_pool);
@@ -1042,7 +1070,7 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
/* fnic_fcpio_itmf_cmpl_handler
* Routine to handle itmf completions
*/
-static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
+static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, unsigned int cq_index,
struct fcpio_fw_req *desc)
{
u8 type;
@@ -1056,51 +1084,73 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
struct terminate_stats *term_stats = &fnic->fnic_stats.term_stats;
struct misc_stats *misc_stats = &fnic->fnic_stats.misc_stats;
unsigned long flags;
- spinlock_t *io_lock;
unsigned long start_time;
+ unsigned int hwq = cq_index;
+ unsigned int mqtag;
unsigned int tag;
fcpio_header_dec(&desc->hdr, &type, &hdr_status, &ftag);
fcpio_tag_id_dec(&ftag, &id);
- tag = id & FNIC_TAG_MASK;
- if (tag == fnic->fnic_max_tag_id) {
- if (!(id & FNIC_TAG_DEV_RST)) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Tag out of range id 0x%x hdr status = %s\n",
- id, fnic_fcpio_status_to_str(hdr_status));
- return;
- }
- } else if (tag > fnic->fnic_max_tag_id) {
- shost_printk(KERN_ERR, fnic->lport->host,
- "Tag out of range tag 0x%x hdr status = %s\n",
- tag, fnic_fcpio_status_to_str(hdr_status));
+ mqtag = id & FNIC_TAG_MASK;
+ tag = blk_mq_unique_tag_to_tag(id & FNIC_TAG_MASK);
+ hwq = blk_mq_unique_tag_to_hwq(id & FNIC_TAG_MASK);
+
+ if (hwq != cq_index) {
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d mqtag: 0x%x tag: 0x%x cq index: %d ",
+ hwq, mqtag, tag, cq_index);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hdr status: %s ITMF completion on the wrong queue\n",
+ fnic_fcpio_status_to_str(hdr_status));
+ }
+
+ if (tag > fnic->fnic_max_tag_id) {
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d mqtag: 0x%x tag: 0x%x cq index: %d ",
+ hwq, mqtag, tag, cq_index);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hdr status: %s Tag out of range\n",
+ fnic_fcpio_status_to_str(hdr_status));
+ return;
+ } else if ((tag == fnic->fnic_max_tag_id) && !(id & FNIC_TAG_DEV_RST)) {
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d mqtag: 0x%x tag: 0x%x cq index: %d ",
+ hwq, mqtag, tag, cq_index);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hdr status: %s Tag out of range\n",
+ fnic_fcpio_status_to_str(hdr_status));
return;
}
- if ((tag == fnic->fnic_max_tag_id) && (id & FNIC_TAG_DEV_RST)) {
- sc = fnic->sgreset_sc;
- io_lock = &fnic->sgreset_lock;
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
+
+ /* If it is sg3utils allocated SC then tag_id
+ * is max_tag_id and SC is retrieved from io_req
+ */
+ if ((mqtag == fnic->fnic_max_tag_id) && (id & FNIC_TAG_DEV_RST)) {
+ io_req = fnic->sw_copy_wq[hwq].io_req_table[tag];
+ if (io_req)
+ sc = io_req->sc;
} else {
sc = scsi_host_find_tag(fnic->lport->host, id & FNIC_TAG_MASK);
- io_lock = fnic_io_lock_hash(fnic, sc);
}
WARN_ON_ONCE(!sc);
if (!sc) {
atomic64_inc(&fnic_stats->io_stats.sc_null);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
shost_printk(KERN_ERR, fnic->lport->host,
"itmf_cmpl sc is null - hdr status = %s tag = 0x%x\n",
fnic_fcpio_status_to_str(hdr_status), tag);
return;
}
- spin_lock_irqsave(io_lock, flags);
io_req = fnic_priv(sc)->io_req;
WARN_ON_ONCE(!io_req);
if (!io_req) {
atomic64_inc(&fnic_stats->io_stats.ioreq_null);
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
fnic_priv(sc)->flags |= FNIC_IO_ABT_TERM_REQ_NULL;
shost_printk(KERN_ERR, fnic->lport->host,
"itmf_cmpl io_req is null - "
@@ -1113,17 +1163,22 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
if ((id & FNIC_TAG_ABORT) && (id & FNIC_TAG_DEV_RST)) {
/* Abort and terminate completion of device reset req */
/* REVISIT : Add asserts about various flags */
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "dev reset abts cmpl recd. id %x status %s\n",
- id, fnic_fcpio_status_to_str(hdr_status));
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d mqtag: 0x%x tag: 0x%x hst: %s Abt/term completion received\n",
+ hwq, mqtag, tag,
+ fnic_fcpio_status_to_str(hdr_status));
fnic_priv(sc)->state = FNIC_IOREQ_ABTS_COMPLETE;
fnic_priv(sc)->abts_status = hdr_status;
fnic_priv(sc)->flags |= FNIC_DEV_RST_DONE;
if (io_req->abts_done)
complete(io_req->abts_done);
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
} else if (id & FNIC_TAG_ABORT) {
/* Completion of abort cmd */
+ shost_printk(KERN_DEBUG, fnic->lport->host,
+ "hwq: %d mqtag: 0x%x tag: 0x%x Abort header status: %s\n",
+ hwq, mqtag, tag,
+ fnic_fcpio_status_to_str(hdr_status));
switch (hdr_status) {
case FCPIO_SUCCESS:
break;
@@ -1135,7 +1190,7 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
&term_stats->terminate_fw_timeouts);
break;
case FCPIO_ITMF_REJECTED:
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
"abort reject recd. id %d\n",
(int)(id & FNIC_TAG_MASK));
break;
@@ -1156,7 +1211,7 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
}
if (fnic_priv(sc)->state != FNIC_IOREQ_ABTS_PENDING) {
/* This is a late completion. Ignore it */
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
return;
}
@@ -1170,7 +1225,7 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
if (!(fnic_priv(sc)->flags & (FNIC_IO_ABORTED | FNIC_IO_DONE)))
atomic64_inc(&misc_stats->no_icmnd_itmf_cmpls);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"abts cmpl recd. id %d status %s\n",
(int)(id & FNIC_TAG_MASK),
fnic_fcpio_status_to_str(hdr_status));
@@ -1182,14 +1237,19 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
*/
if (io_req->abts_done) {
complete(io_req->abts_done);
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "hwq: %d mqtag: 0x%x tag: 0x%x Waking up abort thread\n",
+ hwq, mqtag, tag);
} else {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "abts cmpl, completing IO\n");
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d mqtag: 0x%x tag: 0x%x hst: %s Completing IO\n",
+ hwq, mqtag,
+ tag, fnic_fcpio_status_to_str(hdr_status));
fnic_priv(sc)->io_req = NULL;
sc->result = (DID_ERROR << 16);
-
- spin_unlock_irqrestore(io_lock, flags);
+ fnic->sw_copy_wq[hwq].io_req_table[tag] = NULL;
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
fnic_release_ioreq_buf(fnic, io_req, sc);
mempool_free(io_req, fnic->io_req_pool);
@@ -1213,29 +1273,32 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
}
} else if (id & FNIC_TAG_DEV_RST) {
/* Completion of device reset */
+ shost_printk(KERN_INFO, fnic->lport->host,
+ "hwq: %d mqtag: 0x%x tag: 0x%x DR hst: %s\n",
+ hwq, mqtag,
+ tag, fnic_fcpio_status_to_str(hdr_status));
fnic_priv(sc)->lr_status = hdr_status;
if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
fnic_priv(sc)->flags |= FNIC_DEV_RST_ABTS_PENDING;
FNIC_TRACE(fnic_fcpio_itmf_cmpl_handler,
sc->device->host->host_no, id, sc,
jiffies_to_msecs(jiffies - start_time),
desc, 0, fnic_flags_and_state(sc));
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "Terminate pending "
- "dev reset cmpl recd. id %d status %s\n",
- (int)(id & FNIC_TAG_MASK),
- fnic_fcpio_status_to_str(hdr_status));
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d mqtag: 0x%x tag: 0x%x hst: %s Terminate pending\n",
+ hwq, mqtag,
+ tag, fnic_fcpio_status_to_str(hdr_status));
return;
}
if (fnic_priv(sc)->flags & FNIC_DEV_RST_TIMED_OUT) {
/* Need to wait for terminate completion */
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
FNIC_TRACE(fnic_fcpio_itmf_cmpl_handler,
sc->device->host->host_no, id, sc,
jiffies_to_msecs(jiffies - start_time),
desc, 0, fnic_flags_and_state(sc));
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"dev reset cmpl recd after time out. "
"id %d status %s\n",
(int)(id & FNIC_TAG_MASK),
@@ -1244,19 +1307,19 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic,
}
fnic_priv(sc)->state = FNIC_IOREQ_CMD_COMPLETE;
fnic_priv(sc)->flags |= FNIC_DEV_RST_DONE;
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "dev reset cmpl recd. id %d status %s\n",
- (int)(id & FNIC_TAG_MASK),
- fnic_fcpio_status_to_str(hdr_status));
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d mqtag: 0x%x tag: 0x%x hst: %s DR completion received\n",
+ hwq, mqtag,
+ tag, fnic_fcpio_status_to_str(hdr_status));
if (io_req->dr_done)
complete(io_req->dr_done);
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
} else {
shost_printk(KERN_ERR, fnic->lport->host,
- "Unexpected itmf io state %s tag %x\n",
- fnic_ioreq_state_to_str(fnic_priv(sc)->state), id);
- spin_unlock_irqrestore(io_lock, flags);
+ "%s: Unexpected itmf io state: hwq: %d tag 0x%x %s\n",
+ __func__, hwq, id, fnic_ioreq_state_to_str(fnic_priv(sc)->state));
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
}
}
@@ -1283,17 +1346,19 @@ static int fnic_fcpio_cmpl_handler(struct vnic_dev *vdev,
break;
}
+ cq_index -= fnic->copy_wq_base;
+
switch (desc->hdr.type) {
case FCPIO_ACK: /* fw copied copy wq desc to its queue */
fnic_fcpio_ack_handler(fnic, cq_index, desc);
break;
case FCPIO_ICMND_CMPL: /* fw completed a command */
- fnic_fcpio_icmnd_cmpl_handler(fnic, desc);
+ fnic_fcpio_icmnd_cmpl_handler(fnic, cq_index, desc);
break;
case FCPIO_ITMF_CMPL: /* fw completed itmf (abort cmd, lun reset)*/
- fnic_fcpio_itmf_cmpl_handler(fnic, desc);
+ fnic_fcpio_itmf_cmpl_handler(fnic, cq_index, desc);
break;
case FCPIO_FLOGI_REG_CMPL: /* fw completed flogi_reg */
@@ -1306,7 +1371,7 @@ static int fnic_fcpio_cmpl_handler(struct vnic_dev *vdev,
break;
default:
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"firmware completion type %d\n",
desc->hdr.type);
break;
@@ -1319,10 +1384,8 @@ static int fnic_fcpio_cmpl_handler(struct vnic_dev *vdev,
* fnic_wq_copy_cmpl_handler
* Routine to process wq copy
*/
-int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do)
+int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do, unsigned int cq_index)
{
- unsigned int wq_work_done = 0;
- unsigned int i, cq_index;
unsigned int cur_work_done;
struct misc_stats *misc_stats = &fnic->fnic_stats.misc_stats;
u64 start_jiffies = 0;
@@ -1330,44 +1393,51 @@ int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do)
u64 delta_jiffies = 0;
u64 delta_ms = 0;
- for (i = 0; i < fnic->wq_copy_count; i++) {
- cq_index = i + fnic->raw_wq_count + fnic->rq_count;
-
- start_jiffies = jiffies;
- cur_work_done = vnic_cq_copy_service(&fnic->cq[cq_index],
- fnic_fcpio_cmpl_handler,
- copy_work_to_do);
- end_jiffies = jiffies;
-
- wq_work_done += cur_work_done;
- delta_jiffies = end_jiffies - start_jiffies;
- if (delta_jiffies >
- (u64) atomic64_read(&misc_stats->max_isr_jiffies)) {
- atomic64_set(&misc_stats->max_isr_jiffies,
- delta_jiffies);
- delta_ms = jiffies_to_msecs(delta_jiffies);
- atomic64_set(&misc_stats->max_isr_time_ms, delta_ms);
- atomic64_set(&misc_stats->corr_work_done,
- cur_work_done);
- }
+ start_jiffies = jiffies;
+ cur_work_done = vnic_cq_copy_service(&fnic->cq[cq_index],
+ fnic_fcpio_cmpl_handler,
+ copy_work_to_do);
+ end_jiffies = jiffies;
+ delta_jiffies = end_jiffies - start_jiffies;
+ if (delta_jiffies > (u64) atomic64_read(&misc_stats->max_isr_jiffies)) {
+ atomic64_set(&misc_stats->max_isr_jiffies, delta_jiffies);
+ delta_ms = jiffies_to_msecs(delta_jiffies);
+ atomic64_set(&misc_stats->max_isr_time_ms, delta_ms);
+ atomic64_set(&misc_stats->corr_work_done, cur_work_done);
}
- return wq_work_done;
+
+ return cur_work_done;
}
static bool fnic_cleanup_io_iter(struct scsi_cmnd *sc, void *data)
{
- const int tag = scsi_cmd_to_rq(sc)->tag;
+ struct request *const rq = scsi_cmd_to_rq(sc);
struct fnic *fnic = data;
struct fnic_io_req *io_req;
unsigned long flags = 0;
- spinlock_t *io_lock;
unsigned long start_time = 0;
struct fnic_stats *fnic_stats = &fnic->fnic_stats;
+ uint16_t hwq = 0;
+ int tag;
+ int mqtag;
- io_lock = fnic_io_lock_tag(fnic, tag);
- spin_lock_irqsave(io_lock, flags);
+ mqtag = blk_mq_unique_tag(rq);
+ hwq = blk_mq_unique_tag_to_hwq(mqtag);
+ tag = blk_mq_unique_tag_to_tag(mqtag);
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
+
+ fnic->sw_copy_wq[hwq].io_req_table[tag] = NULL;
io_req = fnic_priv(sc)->io_req;
+ if (!io_req) {
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d mqtag: 0x%x tag: 0x%x flags: 0x%x No ioreq. Returning\n",
+ hwq, mqtag, tag, fnic_priv(sc)->flags);
+ return true;
+ }
+
if ((fnic_priv(sc)->flags & FNIC_DEVICE_RESET) &&
!(fnic_priv(sc)->flags & FNIC_DEV_RST_DONE)) {
/*
@@ -1379,20 +1449,16 @@ static bool fnic_cleanup_io_iter(struct scsi_cmnd *sc, void *data)
complete(io_req->dr_done);
else if (io_req && io_req->abts_done)
complete(io_req->abts_done);
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
return true;
} else if (fnic_priv(sc)->flags & FNIC_DEVICE_RESET) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
return true;
}
- if (!io_req) {
- spin_unlock_irqrestore(io_lock, flags);
- goto cleanup_scsi_cmd;
- }
fnic_priv(sc)->io_req = NULL;
-
- spin_unlock_irqrestore(io_lock, flags);
+ io_req->sc = NULL;
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
/*
* If there is a scsi_cmnd associated with this io_req, then
@@ -1402,23 +1468,16 @@ static bool fnic_cleanup_io_iter(struct scsi_cmnd *sc, void *data)
fnic_release_ioreq_buf(fnic, io_req, sc);
mempool_free(io_req, fnic->io_req_pool);
-cleanup_scsi_cmd:
sc->result = DID_TRANSPORT_DISRUPTED << 16;
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "fnic_cleanup_io: tag:0x%x : sc:0x%p duration = %lu DID_TRANSPORT_DISRUPTED\n",
- tag, sc, jiffies - start_time);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "mqtag:0x%x tag: 0x%x sc:0x%p duration = %lu DID_TRANSPORT_DISRUPTED\n",
+ mqtag, tag, sc, (jiffies - start_time));
if (atomic64_read(&fnic->io_cmpl_skip))
atomic64_dec(&fnic->io_cmpl_skip);
else
atomic64_inc(&fnic_stats->io_stats.io_completions);
- /* Complete the command to SCSI */
- if (!(fnic_priv(sc)->flags & FNIC_IO_ISSUED))
- shost_printk(KERN_ERR, fnic->lport->host,
- "Calling done for IO not issued to fw: tag:0x%x sc:0x%p\n",
- tag, sc);
-
FNIC_TRACE(fnic_cleanup_io,
sc->device->host->host_no, tag, sc,
jiffies_to_msecs(jiffies - start_time),
@@ -1447,8 +1506,8 @@ void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
struct fnic_io_req *io_req;
struct scsi_cmnd *sc;
unsigned long flags;
- spinlock_t *io_lock;
unsigned long start_time = 0;
+ uint16_t hwq;
/* get the tag reference */
fcpio_tag_id_dec(&desc->hdr.tag, &id);
@@ -1461,8 +1520,8 @@ void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
if (!sc)
return;
- io_lock = fnic_io_lock_hash(fnic, sc);
- spin_lock_irqsave(io_lock, flags);
+ hwq = blk_mq_unique_tag_to_hwq(id);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
/* Get the IO context which this desc refers to */
io_req = fnic_priv(sc)->io_req;
@@ -1470,13 +1529,15 @@ void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
/* fnic interrupts are turned off by now */
if (!io_req) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
goto wq_copy_cleanup_scsi_cmd;
}
fnic_priv(sc)->io_req = NULL;
+ io_req->sc = NULL;
+ fnic->sw_copy_wq[hwq].io_req_table[blk_mq_unique_tag_to_tag(id)] = NULL;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
start_time = io_req->start_time;
fnic_release_ioreq_buf(fnic, io_req, sc);
@@ -1484,7 +1545,7 @@ void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
wq_copy_cleanup_scsi_cmd:
sc->result = DID_NO_CONNECT << 16;
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "wq_copy_cleanup_handler:"
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num, "wq_copy_cleanup_handler:"
" DID_NO_CONNECT\n");
FNIC_TRACE(fnic_wq_copy_cleanup_handler,
@@ -1500,31 +1561,31 @@ wq_copy_cleanup_scsi_cmd:
static inline int fnic_queue_abort_io_req(struct fnic *fnic, int tag,
u32 task_req, u8 *fc_lun,
- struct fnic_io_req *io_req)
+ struct fnic_io_req *io_req,
+ unsigned int hwq)
{
- struct vnic_wq_copy *wq = &fnic->wq_copy[0];
- struct Scsi_Host *host = fnic->lport->host;
+ struct vnic_wq_copy *wq = &fnic->hw_copy_wq[hwq];
struct misc_stats *misc_stats = &fnic->fnic_stats.misc_stats;
unsigned long flags;
- spin_lock_irqsave(host->host_lock, flags);
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
if (unlikely(fnic_chk_state_flags_locked(fnic,
FNIC_FLAGS_IO_BLOCKED))) {
- spin_unlock_irqrestore(host->host_lock, flags);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
return 1;
} else
atomic_inc(&fnic->in_flight);
- spin_unlock_irqrestore(host->host_lock, flags);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
- spin_lock_irqsave(&fnic->wq_copy_lock[0], flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
- if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
- free_wq_copy_descs(fnic, wq);
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[hwq])
+ free_wq_copy_descs(fnic, wq, hwq);
if (!vnic_wq_copy_desc_avail(wq)) {
- spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
atomic_dec(&fnic->in_flight);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"fnic_queue_abort_io_req: failure: no descriptors\n");
atomic64_inc(&misc_stats->abts_cpwq_alloc_failures);
return 1;
@@ -1539,7 +1600,7 @@ static inline int fnic_queue_abort_io_req(struct fnic *fnic, int tag,
atomic64_set(&fnic->fnic_stats.fw_stats.max_fw_reqs,
atomic64_read(&fnic->fnic_stats.fw_stats.active_fw_reqs));
- spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
atomic_dec(&fnic->in_flight);
return 0;
@@ -1553,33 +1614,36 @@ struct fnic_rport_abort_io_iter_data {
static bool fnic_rport_abort_io_iter(struct scsi_cmnd *sc, void *data)
{
+ struct request *const rq = scsi_cmd_to_rq(sc);
struct fnic_rport_abort_io_iter_data *iter_data = data;
struct fnic *fnic = iter_data->fnic;
- int abt_tag = scsi_cmd_to_rq(sc)->tag;
+ int abt_tag = 0;
struct fnic_io_req *io_req;
- spinlock_t *io_lock;
unsigned long flags;
struct reset_stats *reset_stats = &fnic->fnic_stats.reset_stats;
struct terminate_stats *term_stats = &fnic->fnic_stats.term_stats;
struct scsi_lun fc_lun;
enum fnic_ioreq_state old_ioreq_state;
+ uint16_t hwq = 0;
- io_lock = fnic_io_lock_tag(fnic, abt_tag);
- spin_lock_irqsave(io_lock, flags);
+ abt_tag = blk_mq_unique_tag(rq);
+ hwq = blk_mq_unique_tag_to_hwq(abt_tag);
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
if (!io_req || io_req->port_id != iter_data->port_id) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
return true;
}
if ((fnic_priv(sc)->flags & FNIC_DEVICE_RESET) &&
!(fnic_priv(sc)->flags & FNIC_DEV_RST_ISSUED)) {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "fnic_rport_exch_reset dev rst not pending sc 0x%p\n",
- sc);
- spin_unlock_irqrestore(io_lock, flags);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d abt_tag: 0x%x flags: 0x%x Device reset is not pending\n",
+ hwq, abt_tag, fnic_priv(sc)->flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
return true;
}
@@ -1588,7 +1652,7 @@ static bool fnic_rport_abort_io_iter(struct scsi_cmnd *sc, void *data)
* belongs to rport that went away
*/
if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
return true;
}
if (io_req->abts_done) {
@@ -1612,38 +1676,41 @@ static bool fnic_rport_abort_io_iter(struct scsi_cmnd *sc, void *data)
atomic64_inc(&reset_stats->device_reset_terminates);
abt_tag |= FNIC_TAG_DEV_RST;
}
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"fnic_rport_exch_reset dev rst sc 0x%p\n", sc);
BUG_ON(io_req->abts_done);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"fnic_rport_reset_exch: Issuing abts\n");
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
/* Now queue the abort command to firmware */
int_to_scsilun(sc->device->lun, &fc_lun);
if (fnic_queue_abort_io_req(fnic, abt_tag,
FCPIO_ITMF_ABT_TASK_TERM,
- fc_lun.scsi_lun, io_req)) {
+ fc_lun.scsi_lun, io_req, hwq)) {
/*
* Revert the cmd state back to old state, if
* it hasn't changed in between. This cmd will get
* aborted later by scsi_eh, or cleaned up during
* lun reset
*/
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d abt_tag: 0x%x flags: 0x%x Queuing abort failed\n",
+ hwq, abt_tag, fnic_priv(sc)->flags);
if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING)
fnic_priv(sc)->state = old_ioreq_state;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
} else {
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
if (fnic_priv(sc)->flags & FNIC_DEVICE_RESET)
fnic_priv(sc)->flags |= FNIC_DEV_RST_TERM_ISSUED;
else
fnic_priv(sc)->flags |= FNIC_IO_INTERNAL_TERM_ISSUED;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
atomic64_inc(&term_stats->terminates);
iter_data->term_cnt++;
}
@@ -1660,7 +1727,7 @@ static void fnic_rport_exch_reset(struct fnic *fnic, u32 port_id)
};
FNIC_SCSI_DBG(KERN_DEBUG,
- fnic->lport->host,
+ fnic->lport->host, fnic->fnic_num,
"fnic_rport_exch_reset called portid 0x%06x\n",
port_id);
@@ -1697,9 +1764,8 @@ void fnic_terminate_rport_io(struct fc_rport *rport)
return;
}
fnic = lport_priv(lport);
- FNIC_SCSI_DBG(KERN_DEBUG,
- fnic->lport->host, "fnic_terminate_rport_io called"
- " wwpn 0x%llx, wwnn0x%llx, rport 0x%p, portid 0x%06x\n",
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
+ "wwpn 0x%llx, wwnn0x%llx, rport 0x%p, portid 0x%06x\n",
rport->port_name, rport->node_name, rport,
rport->port_id);
@@ -1721,7 +1787,6 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
struct fnic *fnic;
struct fnic_io_req *io_req = NULL;
struct fc_rport *rport;
- spinlock_t *io_lock;
unsigned long flags;
unsigned long start_time = 0;
int ret = SUCCESS;
@@ -1731,8 +1796,10 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
struct abort_stats *abts_stats;
struct terminate_stats *term_stats;
enum fnic_ioreq_state old_ioreq_state;
- const int tag = rq->tag;
+ int mqtag;
unsigned long abt_issued_time;
+ uint16_t hwq = 0;
+
DECLARE_COMPLETION_ONSTACK(tm_done);
/* Wait for rport to unblock */
@@ -1742,23 +1809,25 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
lp = shost_priv(sc->device->host);
fnic = lport_priv(lp);
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
fnic_stats = &fnic->fnic_stats;
abts_stats = &fnic->fnic_stats.abts_stats;
term_stats = &fnic->fnic_stats.term_stats;
rport = starget_to_rport(scsi_target(sc->device));
- FNIC_SCSI_DBG(KERN_DEBUG,
- fnic->lport->host,
- "Abort Cmd called FCID 0x%x, LUN 0x%llx TAG %x flags %x\n",
- rport->port_id, sc->device->lun, tag, fnic_priv(sc)->flags);
+ mqtag = blk_mq_unique_tag(rq);
+ hwq = blk_mq_unique_tag_to_hwq(mqtag);
fnic_priv(sc)->flags = FNIC_NO_FLAGS;
if (lp->state != LPORT_ST_READY || !(lp->link_up)) {
ret = FAILED;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
goto fnic_abort_cmd_end;
}
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
/*
* Avoid a race between SCSI issuing the abort and the device
* completing the command.
@@ -1771,18 +1840,17 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
*
* .io_req will not be cleared except while holding io_req_lock.
*/
- io_lock = fnic_io_lock_hash(fnic, sc);
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
if (!io_req) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
goto fnic_abort_cmd_end;
}
io_req->abts_done = &tm_done;
if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
goto wait_pending;
}
@@ -1802,8 +1870,9 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
else
atomic64_inc(&abts_stats->abort_issued_greater_than_60_sec);
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
- "CBD Opcode: %02x Abort issued time: %lu msec\n", sc->cmnd[0], abt_issued_time);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
+ "CDB Opcode: 0x%02x Abort issued time: %lu msec\n",
+ sc->cmnd[0], abt_issued_time);
/*
* Command is still pending, need to abort it
* If the firmware completes the command after this point,
@@ -1814,7 +1883,7 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
fnic_priv(sc)->state = FNIC_IOREQ_ABTS_PENDING;
fnic_priv(sc)->abts_status = FCPIO_INVALID_CODE;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
/*
* Check readiness of the remote port. If the path to remote
@@ -1831,15 +1900,15 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
/* Now queue the abort command to firmware */
int_to_scsilun(sc->device->lun, &fc_lun);
- if (fnic_queue_abort_io_req(fnic, tag, task_req, fc_lun.scsi_lun,
- io_req)) {
- spin_lock_irqsave(io_lock, flags);
+ if (fnic_queue_abort_io_req(fnic, mqtag, task_req, fc_lun.scsi_lun,
+ io_req, hwq)) {
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING)
fnic_priv(sc)->state = old_ioreq_state;
io_req = fnic_priv(sc)->io_req;
if (io_req)
io_req->abts_done = NULL;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
ret = FAILED;
goto fnic_abort_cmd_end;
}
@@ -1863,12 +1932,12 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
fnic->config.ed_tov));
/* Check the abort status */
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
if (!io_req) {
atomic64_inc(&fnic_stats->io_stats.ioreq_null);
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
fnic_priv(sc)->flags |= FNIC_IO_ABT_TERM_REQ_NULL;
ret = FAILED;
goto fnic_abort_cmd_end;
@@ -1877,7 +1946,7 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
/* fw did not complete abort, timed out */
if (fnic_priv(sc)->abts_status == FCPIO_INVALID_CODE) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
if (task_req == FCPIO_ITMF_ABT_TASK) {
atomic64_inc(&abts_stats->abort_drv_timeouts);
} else {
@@ -1891,9 +1960,9 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
/* IO out of order */
if (!(fnic_priv(sc)->flags & (FNIC_IO_ABORTED | FNIC_IO_DONE))) {
- spin_unlock_irqrestore(io_lock, flags);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "Issuing Host reset due to out of order IO\n");
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "Issuing host reset due to out of order IO\n");
ret = FAILED;
goto fnic_abort_cmd_end;
@@ -1907,15 +1976,18 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
* free the io_req if successful. If abort fails,
* Device reset will clean the I/O.
*/
- if (fnic_priv(sc)->abts_status == FCPIO_SUCCESS) {
+ if (fnic_priv(sc)->abts_status == FCPIO_SUCCESS ||
+ (fnic_priv(sc)->abts_status == FCPIO_ABORTED)) {
fnic_priv(sc)->io_req = NULL;
+ io_req->sc = NULL;
} else {
ret = FAILED;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
goto fnic_abort_cmd_end;
}
- spin_unlock_irqrestore(io_lock, flags);
+ fnic->sw_copy_wq[hwq].io_req_table[blk_mq_unique_tag_to_tag(mqtag)] = NULL;
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
fnic_release_ioreq_buf(fnic, io_req, sc);
mempool_free(io_req, fnic->io_req_pool);
@@ -1930,14 +2002,14 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
atomic64_inc(&fnic_stats->io_stats.io_completions);
fnic_abort_cmd_end:
- FNIC_TRACE(fnic_abort_cmd, sc->device->host->host_no, tag, sc,
+ FNIC_TRACE(fnic_abort_cmd, sc->device->host->host_no, mqtag, sc,
jiffies_to_msecs(jiffies - start_time),
0, ((u64)sc->cmnd[0] << 32 |
(u64)sc->cmnd[2] << 24 | (u64)sc->cmnd[3] << 16 |
(u64)sc->cmnd[4] << 8 | sc->cmnd[5]),
fnic_flags_and_state(sc));
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Returning from abort cmd type %x %s\n", task_req,
(ret == SUCCESS) ?
"SUCCESS" : "FAILED");
@@ -1948,33 +2020,34 @@ static inline int fnic_queue_dr_io_req(struct fnic *fnic,
struct scsi_cmnd *sc,
struct fnic_io_req *io_req)
{
- struct vnic_wq_copy *wq = &fnic->wq_copy[0];
- struct Scsi_Host *host = fnic->lport->host;
+ struct vnic_wq_copy *wq;
struct misc_stats *misc_stats = &fnic->fnic_stats.misc_stats;
struct scsi_lun fc_lun;
int ret = 0;
- unsigned long intr_flags;
- unsigned int tag = scsi_cmd_to_rq(sc)->tag;
+ unsigned long flags;
+ uint16_t hwq = 0;
+ uint32_t tag = 0;
- if (tag == SCSI_NO_TAG)
- tag = io_req->tag;
+ tag = io_req->tag;
+ hwq = blk_mq_unique_tag_to_hwq(tag);
+ wq = &fnic->hw_copy_wq[hwq];
- spin_lock_irqsave(host->host_lock, intr_flags);
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
if (unlikely(fnic_chk_state_flags_locked(fnic,
FNIC_FLAGS_IO_BLOCKED))) {
- spin_unlock_irqrestore(host->host_lock, intr_flags);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
return FAILED;
} else
atomic_inc(&fnic->in_flight);
- spin_unlock_irqrestore(host->host_lock, intr_flags);
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
- spin_lock_irqsave(&fnic->wq_copy_lock[0], intr_flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
- if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0])
- free_wq_copy_descs(fnic, wq);
+ if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[hwq])
+ free_wq_copy_descs(fnic, wq, hwq);
if (!vnic_wq_copy_desc_avail(wq)) {
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"queue_dr_io_req failure - no descriptors\n");
atomic64_inc(&misc_stats->devrst_cpwq_alloc_failures);
ret = -EAGAIN;
@@ -1997,7 +2070,7 @@ static inline int fnic_queue_dr_io_req(struct fnic *fnic,
atomic64_read(&fnic->fnic_stats.fw_stats.active_fw_reqs));
lr_io_req_end:
- spin_unlock_irqrestore(&fnic->wq_copy_lock[0], intr_flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
atomic_dec(&fnic->in_flight);
return ret;
@@ -2012,12 +2085,13 @@ struct fnic_pending_aborts_iter_data {
static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, void *data)
{
+ struct request *const rq = scsi_cmd_to_rq(sc);
struct fnic_pending_aborts_iter_data *iter_data = data;
struct fnic *fnic = iter_data->fnic;
struct scsi_device *lun_dev = iter_data->lun_dev;
- int abt_tag = scsi_cmd_to_rq(sc)->tag;
+ unsigned long abt_tag = 0;
+ uint16_t hwq = 0;
struct fnic_io_req *io_req;
- spinlock_t *io_lock;
unsigned long flags;
struct scsi_lun fc_lun;
DECLARE_COMPLETION_ONSTACK(tm_done);
@@ -2026,11 +2100,13 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, void *data)
if (sc == iter_data->lr_sc || sc->device != lun_dev)
return true;
- io_lock = fnic_io_lock_tag(fnic, abt_tag);
- spin_lock_irqsave(io_lock, flags);
+ abt_tag = blk_mq_unique_tag(rq);
+ hwq = blk_mq_unique_tag_to_hwq(abt_tag);
+
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
if (!io_req) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
return true;
}
@@ -2038,20 +2114,19 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, void *data)
* Found IO that is still pending with firmware and
* belongs to the LUN that we are resetting
*/
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Found IO in %s on lun\n",
fnic_ioreq_state_to_str(fnic_priv(sc)->state));
if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
return true;
}
if ((fnic_priv(sc)->flags & FNIC_DEVICE_RESET) &&
(!(fnic_priv(sc)->flags & FNIC_DEV_RST_ISSUED))) {
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
- "%s dev rst not pending sc 0x%p\n", __func__,
- sc);
- spin_unlock_irqrestore(io_lock, flags);
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "dev rst not pending sc 0x%p\n", sc);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
return true;
}
@@ -2072,35 +2147,37 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, void *data)
BUG_ON(io_req->abts_done);
if (fnic_priv(sc)->flags & FNIC_DEVICE_RESET) {
- abt_tag |= FNIC_TAG_DEV_RST;
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
- "%s: dev rst sc 0x%p\n", __func__, sc);
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "dev rst sc 0x%p\n", sc);
}
fnic_priv(sc)->abts_status = FCPIO_INVALID_CODE;
io_req->abts_done = &tm_done;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
/* Now queue the abort command to firmware */
int_to_scsilun(sc->device->lun, &fc_lun);
if (fnic_queue_abort_io_req(fnic, abt_tag,
FCPIO_ITMF_ABT_TASK_TERM,
- fc_lun.scsi_lun, io_req)) {
- spin_lock_irqsave(io_lock, flags);
+ fc_lun.scsi_lun, io_req, hwq)) {
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
if (io_req)
io_req->abts_done = NULL;
if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING)
fnic_priv(sc)->state = old_ioreq_state;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
iter_data->ret = FAILED;
+ FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d abt_tag: 0x%lx Abort could not be queued\n",
+ hwq, abt_tag);
return false;
} else {
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
if (fnic_priv(sc)->flags & FNIC_DEVICE_RESET)
fnic_priv(sc)->flags |= FNIC_DEV_RST_TERM_ISSUED;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
}
fnic_priv(sc)->flags |= FNIC_IO_INTERNAL_TERM_ISSUED;
@@ -2108,10 +2185,10 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, void *data)
(fnic->config.ed_tov));
/* Recheck cmd state to check if it is now aborted */
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
if (!io_req) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
fnic_priv(sc)->flags |= FNIC_IO_ABT_TERM_REQ_NULL;
return true;
}
@@ -2120,7 +2197,7 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, void *data)
/* if abort is still pending with fw, fail */
if (fnic_priv(sc)->abts_status == FCPIO_INVALID_CODE) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
fnic_priv(sc)->flags |= FNIC_IO_ABT_TERM_DONE;
iter_data->ret = FAILED;
return false;
@@ -2128,9 +2205,11 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, void *data)
fnic_priv(sc)->state = FNIC_IOREQ_ABTS_COMPLETE;
/* original sc used for lr is handled by dev reset code */
- if (sc != iter_data->lr_sc)
+ if (sc != iter_data->lr_sc) {
fnic_priv(sc)->io_req = NULL;
- spin_unlock_irqrestore(io_lock, flags);
+ fnic->sw_copy_wq[hwq].io_req_table[blk_mq_unique_tag_to_tag(abt_tag)] = NULL;
+ }
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
/* original sc used for lr is handled by dev reset code */
if (sc != iter_data->lr_sc) {
@@ -2182,8 +2261,8 @@ static int fnic_clean_pending_aborts(struct fnic *fnic,
ret = 1;
clean_pending_aborts_end:
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
- "%s: exit status: %d\n", __func__, ret);
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "exit status: %d\n", ret);
return ret;
}
@@ -2201,15 +2280,15 @@ int fnic_device_reset(struct scsi_cmnd *sc)
struct fc_rport *rport;
int status;
int ret = FAILED;
- spinlock_t *io_lock;
unsigned long flags;
unsigned long start_time = 0;
struct scsi_lun fc_lun;
struct fnic_stats *fnic_stats;
struct reset_stats *reset_stats;
- int tag = rq->tag;
+ int mqtag = rq->tag;
DECLARE_COMPLETION_ONSTACK(tm_done);
bool new_sc = 0;
+ uint16_t hwq = 0;
/* Wait for rport to unblock */
fc_block_scsi_eh(sc);
@@ -2224,9 +2303,10 @@ int fnic_device_reset(struct scsi_cmnd *sc)
atomic64_inc(&reset_stats->device_resets);
rport = starget_to_rport(scsi_target(sc->device));
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "Device reset called FCID 0x%x, LUN 0x%llx sc 0x%p\n",
- rport->port_id, sc->device->lun, sc);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
+ "fcid: 0x%x lun: 0x%llx hwq: %d mqtag: 0x%x flags: 0x%x Device reset\n",
+ rport->port_id, sc->device->lun, hwq, mqtag,
+ fnic_priv(sc)->flags);
if (lp->state != LPORT_ST_READY || !(lp->link_up))
goto fnic_device_reset_end;
@@ -2239,7 +2319,7 @@ int fnic_device_reset(struct scsi_cmnd *sc)
fnic_priv(sc)->flags = FNIC_DEVICE_RESET;
- if (unlikely(tag < 0)) {
+ if (unlikely(mqtag < 0)) {
/*
* For device reset issued through sg3utils, we let
* only one LUN_RESET to go through and use a special
@@ -2248,17 +2328,14 @@ int fnic_device_reset(struct scsi_cmnd *sc)
* allocated by mid layer.
*/
mutex_lock(&fnic->sgreset_mutex);
- tag = fnic->fnic_max_tag_id;
+ mqtag = fnic->fnic_max_tag_id;
new_sc = 1;
- fnic->sgreset_sc = sc;
- io_lock = &fnic->sgreset_lock;
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
- "fcid: 0x%x lun: 0x%llx flags: 0x%x tag: 0x%x Issuing sgreset\n",
- rport->port_id, sc->device->lun, fnic_priv(sc)->flags, tag);
- } else
- io_lock = fnic_io_lock_hash(fnic, sc);
+ } else {
+ mqtag = blk_mq_unique_tag(rq);
+ hwq = blk_mq_unique_tag_to_hwq(mqtag);
+ }
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
/*
@@ -2268,36 +2345,43 @@ int fnic_device_reset(struct scsi_cmnd *sc)
if (!io_req) {
io_req = mempool_alloc(fnic->io_req_pool, GFP_ATOMIC);
if (!io_req) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
goto fnic_device_reset_end;
}
memset(io_req, 0, sizeof(*io_req));
io_req->port_id = rport->port_id;
- io_req->tag = tag;
- io_req->sc = sc;
+ io_req->tag = mqtag;
fnic_priv(sc)->io_req = io_req;
+ io_req->sc = sc;
+
+ if (fnic->sw_copy_wq[hwq].io_req_table[blk_mq_unique_tag_to_tag(mqtag)] != NULL)
+ WARN(1, "fnic<%d>: %s: tag 0x%x already exists\n",
+ fnic->fnic_num, __func__, blk_mq_unique_tag_to_tag(mqtag));
+
+ fnic->sw_copy_wq[hwq].io_req_table[blk_mq_unique_tag_to_tag(mqtag)] =
+ io_req;
}
io_req->dr_done = &tm_done;
fnic_priv(sc)->state = FNIC_IOREQ_CMD_PENDING;
fnic_priv(sc)->lr_status = FCPIO_INVALID_CODE;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "TAG %x\n", tag);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num, "TAG %x\n", mqtag);
/*
* issue the device reset, if enqueue failed, clean up the ioreq
* and break assoc with scsi cmd
*/
if (fnic_queue_dr_io_req(fnic, sc, io_req)) {
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
if (io_req)
io_req->dr_done = NULL;
goto fnic_device_reset_clean;
}
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
fnic_priv(sc)->flags |= FNIC_DEV_RST_ISSUED;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
/*
* Wait on the local completion for LUN reset. The io_req may be
@@ -2306,12 +2390,12 @@ int fnic_device_reset(struct scsi_cmnd *sc)
wait_for_completion_timeout(&tm_done,
msecs_to_jiffies(FNIC_LUN_RESET_TIMEOUT));
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
if (!io_req) {
- spin_unlock_irqrestore(io_lock, flags);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "io_req is null tag 0x%x sc 0x%p\n", tag, sc);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
+ "io_req is null mqtag 0x%x sc 0x%p\n", mqtag, sc);
goto fnic_device_reset_end;
}
io_req->dr_done = NULL;
@@ -2324,44 +2408,44 @@ int fnic_device_reset(struct scsi_cmnd *sc)
*/
if (status == FCPIO_INVALID_CODE) {
atomic64_inc(&reset_stats->device_reset_timeouts);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Device reset timed out\n");
fnic_priv(sc)->flags |= FNIC_DEV_RST_TIMED_OUT;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
int_to_scsilun(sc->device->lun, &fc_lun);
/*
* Issue abort and terminate on device reset request.
* If q'ing of terminate fails, retry it after a delay.
*/
while (1) {
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
if (fnic_priv(sc)->flags & FNIC_DEV_RST_TERM_ISSUED) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
break;
}
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
if (fnic_queue_abort_io_req(fnic,
- tag | FNIC_TAG_DEV_RST,
+ mqtag | FNIC_TAG_DEV_RST,
FCPIO_ITMF_ABT_TASK_TERM,
- fc_lun.scsi_lun, io_req)) {
+ fc_lun.scsi_lun, io_req, hwq)) {
wait_for_completion_timeout(&tm_done,
msecs_to_jiffies(FNIC_ABT_TERM_DELAY_TIMEOUT));
} else {
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
fnic_priv(sc)->flags |= FNIC_DEV_RST_TERM_ISSUED;
fnic_priv(sc)->state = FNIC_IOREQ_ABTS_PENDING;
io_req->abts_done = &tm_done;
- spin_unlock_irqrestore(io_lock, flags);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "Abort and terminate issued on Device reset "
- "tag 0x%x sc 0x%p\n", tag, sc);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
+ "Abort and terminate issued on Device reset mqtag 0x%x sc 0x%p\n",
+ mqtag, sc);
break;
}
}
while (1) {
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
if (!(fnic_priv(sc)->flags & FNIC_DEV_RST_DONE)) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
wait_for_completion_timeout(&tm_done,
msecs_to_jiffies(FNIC_LUN_RESET_TIMEOUT));
break;
@@ -2372,14 +2456,14 @@ int fnic_device_reset(struct scsi_cmnd *sc)
}
}
} else {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
}
/* Completed, but not successful, clean up the io_req, return fail */
if (status != FCPIO_SUCCESS) {
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
FNIC_SCSI_DBG(KERN_DEBUG,
- fnic->lport->host,
+ fnic->lport->host, fnic->fnic_num,
"Device reset completed - failed\n");
io_req = fnic_priv(sc)->io_req;
goto fnic_device_reset_clean;
@@ -2393,26 +2477,29 @@ int fnic_device_reset(struct scsi_cmnd *sc)
* succeeds
*/
if (fnic_clean_pending_aborts(fnic, sc, new_sc)) {
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Device reset failed"
" since could not abort all IOs\n");
goto fnic_device_reset_clean;
}
/* Clean lun reset command */
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
if (io_req)
/* Completed, and successful */
ret = SUCCESS;
fnic_device_reset_clean:
- if (io_req)
+ if (io_req) {
fnic_priv(sc)->io_req = NULL;
+ io_req->sc = NULL;
+ fnic->sw_copy_wq[hwq].io_req_table[blk_mq_unique_tag_to_tag(io_req->tag)] = NULL;
+ }
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
if (io_req) {
start_time = io_req->start_time;
@@ -2433,7 +2520,7 @@ fnic_device_reset_end:
mutex_unlock(&fnic->sgreset_mutex);
}
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"Returning from device reset %s\n",
(ret == SUCCESS) ?
"SUCCESS" : "FAILED");
@@ -2456,8 +2543,8 @@ int fnic_reset(struct Scsi_Host *shost)
fnic = lport_priv(lp);
reset_stats = &fnic->fnic_stats.reset_stats;
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "fnic_reset called\n");
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "Issuing fnic reset\n");
atomic64_inc(&reset_stats->fnic_resets);
@@ -2467,10 +2554,9 @@ int fnic_reset(struct Scsi_Host *shost)
*/
ret = fc_lport_reset(lp);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
- "Returning from fnic reset %s\n",
- (ret == 0) ?
- "SUCCESS" : "FAILED");
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "Returning from fnic reset with: %s\n",
+ (ret == 0) ? "SUCCESS" : "FAILED");
if (ret == 0)
atomic64_inc(&reset_stats->fnic_reset_completions);
@@ -2503,7 +2589,7 @@ int fnic_host_reset(struct scsi_cmnd *sc)
fnic->internal_reset_inprogress = true;
} else {
spin_unlock_irqrestore(&fnic->fnic_lock, flags);
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"host reset in progress skipping another host reset\n");
return SUCCESS;
}
@@ -2578,7 +2664,7 @@ retry_fw_reset:
spin_lock_irqsave(&fnic->fnic_lock, flags);
fnic->remove_wait = NULL;
- FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, fnic->fnic_num,
"fnic_scsi_abort_io %s\n",
(fnic->state == FNIC_IN_ETH_MODE) ?
"SUCCESS" : "FAILED");
@@ -2652,12 +2738,17 @@ call_fc_exch_mgr_reset:
static bool fnic_abts_pending_iter(struct scsi_cmnd *sc, void *data)
{
+ struct request *const rq = scsi_cmd_to_rq(sc);
struct fnic_pending_aborts_iter_data *iter_data = data;
struct fnic *fnic = iter_data->fnic;
int cmd_state;
struct fnic_io_req *io_req;
- spinlock_t *io_lock;
unsigned long flags;
+ uint16_t hwq = 0;
+ int tag;
+
+ tag = blk_mq_unique_tag(rq);
+ hwq = blk_mq_unique_tag_to_hwq(tag);
/*
* ignore this lun reset cmd or cmds that do not belong to
@@ -2668,12 +2759,11 @@ static bool fnic_abts_pending_iter(struct scsi_cmnd *sc, void *data)
if (iter_data->lun_dev && sc->device != iter_data->lun_dev)
return true;
- io_lock = fnic_io_lock_hash(fnic, sc);
- spin_lock_irqsave(io_lock, flags);
+ spin_lock_irqsave(&fnic->wq_copy_lock[hwq], flags);
io_req = fnic_priv(sc)->io_req;
if (!io_req) {
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
return true;
}
@@ -2681,11 +2771,12 @@ static bool fnic_abts_pending_iter(struct scsi_cmnd *sc, void *data)
* Found IO that is still pending with firmware and
* belongs to the LUN that we are resetting
*/
- FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host,
- "Found IO in %s on lun\n",
- fnic_ioreq_state_to_str(fnic_priv(sc)->state));
+ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num,
+ "hwq: %d tag: 0x%x Found IO in state: %s on lun\n",
+ hwq, tag,
+ fnic_ioreq_state_to_str(fnic_priv(sc)->state));
cmd_state = fnic_priv(sc)->state;
- spin_unlock_irqrestore(io_lock, flags);
+ spin_unlock_irqrestore(&fnic->wq_copy_lock[hwq], flags);
if (cmd_state == FNIC_IOREQ_ABTS_PENDING)
iter_data->ret = 1;
diff --git a/drivers/scsi/fnic/fnic_stats.h b/drivers/scsi/fnic/fnic_stats.h
index bdf639eef8..9d7f98c452 100644
--- a/drivers/scsi/fnic/fnic_stats.h
+++ b/drivers/scsi/fnic/fnic_stats.h
@@ -2,6 +2,7 @@
/* Copyright 2013 Cisco Systems, Inc. All rights reserved. */
#ifndef _FNIC_STATS_H_
#define _FNIC_STATS_H_
+#define FNIC_MQ_MAX_QUEUES 64
struct stats_timestamps {
struct timespec64 last_reset_time;
@@ -26,6 +27,7 @@ struct io_path_stats {
atomic64_t io_btw_10000_to_30000_msec;
atomic64_t io_greater_than_30000_msec;
atomic64_t current_max_io_time;
+ atomic64_t ios[FNIC_MQ_MAX_QUEUES];
};
struct abort_stats {
@@ -103,6 +105,7 @@ struct misc_stats {
atomic64_t rport_not_ready;
atomic64_t frame_errors;
atomic64_t current_port_speed;
+ atomic64_t intx_dummy;
};
struct fnic_stats {
diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c
index be0d7c57b2..aaa4ea02fb 100644
--- a/drivers/scsi/fnic/fnic_trace.c
+++ b/drivers/scsi/fnic/fnic_trace.c
@@ -204,6 +204,7 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
int len = 0;
int buf_size = debug->buf_size;
struct timespec64 val1, val2;
+ int i = 0;
ktime_get_real_ts64(&val1);
len = scnprintf(debug->debug_buffer + len, buf_size - len,
@@ -267,6 +268,16 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
(u64)atomic64_read(&stats->io_stats.io_greater_than_30000_msec));
len += scnprintf(debug->debug_buffer + len, buf_size - len,
+ "------------------------------------------\n"
+ "\t\tIO Queues and cumulative IOs\n"
+ "------------------------------------------\n");
+
+ for (i = 0; i < FNIC_MQ_MAX_QUEUES; i++) {
+ len += scnprintf(debug->debug_buffer + len, buf_size - len,
+ "Q:%d -> %lld\n", i, (u64)atomic64_read(&stats->io_stats.ios[i]));
+ }
+
+ len += scnprintf(debug->debug_buffer + len, buf_size - len,
"\nCurrent Max IO time : %lld\n",
(u64)atomic64_read(&stats->io_stats.current_max_io_time));
diff --git a/drivers/scsi/fnic/vnic_dev.c b/drivers/scsi/fnic/vnic_dev.c
index 3e5b437c04..e0b173cc9d 100644
--- a/drivers/scsi/fnic/vnic_dev.c
+++ b/drivers/scsi/fnic/vnic_dev.c
@@ -143,6 +143,10 @@ static int vnic_dev_discover_res(struct vnic_dev *vdev,
vdev->res[type].vaddr = (char __iomem *)bar->vaddr + bar_offset;
}
+ pr_info("res_type_wq: %d res_type_rq: %d res_type_cq: %d res_type_intr_ctrl: %d\n",
+ vdev->res[RES_TYPE_WQ].count, vdev->res[RES_TYPE_RQ].count,
+ vdev->res[RES_TYPE_CQ].count, vdev->res[RES_TYPE_INTR_CTRL].count);
+
return 0;
}
diff --git a/drivers/scsi/fnic/vnic_scsi.h b/drivers/scsi/fnic/vnic_scsi.h
index 4e12f7b32d..f715f7942b 100644
--- a/drivers/scsi/fnic/vnic_scsi.h
+++ b/drivers/scsi/fnic/vnic_scsi.h
@@ -26,7 +26,7 @@
#define VNIC_FNIC_RATOV_MAX 255000
#define VNIC_FNIC_MAXDATAFIELDSIZE_MIN 256
-#define VNIC_FNIC_MAXDATAFIELDSIZE_MAX 2112
+#define VNIC_FNIC_MAXDATAFIELDSIZE_MAX 2048
#define VNIC_FNIC_FLOGI_RETRIES_MIN 0
#define VNIC_FNIC_FLOGI_RETRIES_MAX 0xffffffff
@@ -55,7 +55,7 @@
#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX 255
#define VNIC_FNIC_LUNS_PER_TARGET_MIN 1
-#define VNIC_FNIC_LUNS_PER_TARGET_MAX 1024
+#define VNIC_FNIC_LUNS_PER_TARGET_MAX 4096
/* Device-specific region: scsi configuration */
struct vnic_fc_config {
@@ -79,10 +79,19 @@ struct vnic_fc_config {
u16 ra_tov;
u16 intr_timer;
u8 intr_timer_type;
+ u8 intr_mode;
+ u8 lun_queue_depth;
+ u8 io_timeout_retry;
+ u16 wq_copy_count;
};
#define VFCF_FCP_SEQ_LVL_ERR 0x1 /* Enable FCP-2 Error Recovery */
#define VFCF_PERBI 0x2 /* persistent binding info available */
#define VFCF_FIP_CAPABLE 0x4 /* firmware can handle FIP */
+#define VFCF_FC_INITIATOR 0x20 /* FC Initiator Mode */
+#define VFCF_FC_TARGET 0x40 /* FC Target Mode */
+#define VFCF_FC_NVME_INITIATOR 0x80 /* FC-NVMe Initiator Mode */
+#define VFCF_FC_NVME_TARGET 0x100 /* FC-NVMe Target Mode */
+
#endif /* _VNIC_SCSI_H_ */