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path: root/drivers/scsi/bnx2fc/bnx2fc_tgt.c
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Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_tgt.c')
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_tgt.c92
1 files changed, 59 insertions, 33 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_tgt.c b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
index a2e3830..c1800b5 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_tgt.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
@@ -2,7 +2,7 @@
* Handles operations such as session offload/upload etc, and manages
* session resources such as connection id and qp resources.
*
- * Copyright (c) 2008 - 2010 Broadcom Corporation
+ * Copyright (c) 2008 - 2011 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -65,7 +65,8 @@ static void bnx2fc_offload_session(struct fcoe_port *port,
{
struct fc_lport *lport = rdata->local_port;
struct fc_rport *rport = rdata->rport;
- struct bnx2fc_hba *hba = port->priv;
+ struct bnx2fc_interface *interface = port->priv;
+ struct bnx2fc_hba *hba = interface->hba;
int rval;
int i = 0;
@@ -75,7 +76,7 @@ static void bnx2fc_offload_session(struct fcoe_port *port,
if (rval) {
printk(KERN_ERR PFX "Failed to allocate conn id for "
"port_id (%6x)\n", rport->port_id);
- goto ofld_err;
+ goto tgt_init_err;
}
/* Allocate session resources */
@@ -138,11 +139,12 @@ retry_ofld:
ofld_err:
/* couldn't offload the session. log off from this rport */
BNX2FC_TGT_DBG(tgt, "bnx2fc_offload_session - offload error\n");
- lport->tt.rport_logoff(rdata);
/* Free session resources */
bnx2fc_free_session_resc(hba, tgt);
+tgt_init_err:
if (tgt->fcoe_conn_id != -1)
bnx2fc_free_conn_id(hba, tgt->fcoe_conn_id);
+ lport->tt.rport_logoff(rdata);
}
void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt)
@@ -235,7 +237,8 @@ void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt)
static void bnx2fc_upload_session(struct fcoe_port *port,
struct bnx2fc_rport *tgt)
{
- struct bnx2fc_hba *hba = port->priv;
+ struct bnx2fc_interface *interface = port->priv;
+ struct bnx2fc_hba *hba = interface->hba;
BNX2FC_TGT_DBG(tgt, "upload_session: active_ios = %d\n",
tgt->num_active_ios.counter);
@@ -314,7 +317,10 @@ static int bnx2fc_init_tgt(struct bnx2fc_rport *tgt,
{
struct fc_rport *rport = rdata->rport;
- struct bnx2fc_hba *hba = port->priv;
+ struct bnx2fc_interface *interface = port->priv;
+ struct bnx2fc_hba *hba = interface->hba;
+ struct b577xx_doorbell_set_prod *sq_db = &tgt->sq_db;
+ struct b577xx_fcoe_rx_doorbell *rx_db = &tgt->rx_db;
tgt->rport = rport;
tgt->rdata = rdata;
@@ -335,6 +341,7 @@ static int bnx2fc_init_tgt(struct bnx2fc_rport *tgt,
tgt->max_sqes = BNX2FC_SQ_WQES_MAX;
tgt->max_rqes = BNX2FC_RQ_WQES_MAX;
tgt->max_cqes = BNX2FC_CQ_WQES_MAX;
+ atomic_set(&tgt->free_sqes, BNX2FC_SQ_WQES_MAX);
/* Initialize the toggle bit */
tgt->sq_curr_toggle_bit = 1;
@@ -345,7 +352,25 @@ static int bnx2fc_init_tgt(struct bnx2fc_rport *tgt,
tgt->rq_cons_idx = 0;
atomic_set(&tgt->num_active_ios, 0);
- tgt->work_time_slice = 2;
+ if (rdata->flags & FC_RP_FLAGS_RETRY) {
+ tgt->dev_type = TYPE_TAPE;
+ tgt->io_timeout = 0; /* use default ULP timeout */
+ } else {
+ tgt->dev_type = TYPE_DISK;
+ tgt->io_timeout = BNX2FC_IO_TIMEOUT;
+ }
+
+ /* initialize sq doorbell */
+ sq_db->header.header = B577XX_DOORBELL_HDR_DB_TYPE;
+ sq_db->header.header |= B577XX_FCOE_CONNECTION_TYPE <<
+ B577XX_DOORBELL_HDR_CONN_TYPE_SHIFT;
+ /* initialize rx doorbell */
+ rx_db->hdr.header = ((0x1 << B577XX_DOORBELL_HDR_RX_SHIFT) |
+ (0x1 << B577XX_DOORBELL_HDR_DB_TYPE_SHIFT) |
+ (B577XX_FCOE_CONNECTION_TYPE <<
+ B577XX_DOORBELL_HDR_CONN_TYPE_SHIFT));
+ rx_db->params = (0x2 << B577XX_FCOE_RX_DOORBELL_NEGATIVE_ARM_SHIFT) |
+ (0x3 << B577XX_FCOE_RX_DOORBELL_OPCODE_SHIFT);
spin_lock_init(&tgt->tgt_lock);
spin_lock_init(&tgt->cq_lock);
@@ -377,7 +402,8 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport,
enum fc_rport_event event)
{
struct fcoe_port *port = lport_priv(lport);
- struct bnx2fc_hba *hba = port->priv;
+ struct bnx2fc_interface *interface = port->priv;
+ struct bnx2fc_hba *hba = interface->hba;
struct fc_rport *rport = rdata->rport;
struct fc_rport_libfc_priv *rp;
struct bnx2fc_rport *tgt;
@@ -388,7 +414,7 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport,
switch (event) {
case RPORT_EV_READY:
if (!rport) {
- printk(KERN_ALERT PFX "rport is NULL: ERROR!\n");
+ printk(KERN_ERR PFX "rport is NULL: ERROR!\n");
break;
}
@@ -400,7 +426,7 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport,
* We should not come here, as lport will
* take care of fabric login
*/
- printk(KERN_ALERT PFX "%x - rport_event_handler ERROR\n",
+ printk(KERN_ERR PFX "%x - rport_event_handler ERROR\n",
rdata->ids.port_id);
break;
}
@@ -468,7 +494,7 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport,
break;
if (!rport) {
- printk(KERN_ALERT PFX "%x - rport not created Yet!!\n",
+ printk(KERN_INFO PFX "%x - rport not created Yet!!\n",
port_id);
break;
}
@@ -522,7 +548,8 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport,
struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
u32 port_id)
{
- struct bnx2fc_hba *hba = port->priv;
+ struct bnx2fc_interface *interface = port->priv;
+ struct bnx2fc_hba *hba = interface->hba;
struct bnx2fc_rport *tgt;
struct fc_rport_priv *rdata;
int i;
@@ -537,7 +564,7 @@ struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
"obtained\n");
return tgt;
} else {
- printk(KERN_ERR PFX "rport 0x%x "
+ BNX2FC_TGT_DBG(tgt, "rport 0x%x "
"is in DELETED state\n",
rdata->ids.port_id);
return NULL;
@@ -596,7 +623,6 @@ static void bnx2fc_free_conn_id(struct bnx2fc_hba *hba, u32 conn_id)
/* called with hba mutex held */
spin_lock_bh(&hba->hba_lock);
hba->tgt_ofld_list[conn_id] = NULL;
- hba->next_conn_id = conn_id;
spin_unlock_bh(&hba->hba_lock);
}
@@ -618,7 +644,7 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
tgt->sq = dma_alloc_coherent(&hba->pcidev->dev, tgt->sq_mem_size,
&tgt->sq_dma, GFP_KERNEL);
if (!tgt->sq) {
- printk(KERN_ALERT PFX "unable to allocate SQ memory %d\n",
+ printk(KERN_ERR PFX "unable to allocate SQ memory %d\n",
tgt->sq_mem_size);
goto mem_alloc_failure;
}
@@ -631,7 +657,7 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
tgt->cq = dma_alloc_coherent(&hba->pcidev->dev, tgt->cq_mem_size,
&tgt->cq_dma, GFP_KERNEL);
if (!tgt->cq) {
- printk(KERN_ALERT PFX "unable to allocate CQ memory %d\n",
+ printk(KERN_ERR PFX "unable to allocate CQ memory %d\n",
tgt->cq_mem_size);
goto mem_alloc_failure;
}
@@ -644,7 +670,7 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
tgt->rq = dma_alloc_coherent(&hba->pcidev->dev, tgt->rq_mem_size,
&tgt->rq_dma, GFP_KERNEL);
if (!tgt->rq) {
- printk(KERN_ALERT PFX "unable to allocate RQ memory %d\n",
+ printk(KERN_ERR PFX "unable to allocate RQ memory %d\n",
tgt->rq_mem_size);
goto mem_alloc_failure;
}
@@ -656,7 +682,7 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
tgt->rq_pbl = dma_alloc_coherent(&hba->pcidev->dev, tgt->rq_pbl_size,
&tgt->rq_pbl_dma, GFP_KERNEL);
if (!tgt->rq_pbl) {
- printk(KERN_ALERT PFX "unable to allocate RQ PBL %d\n",
+ printk(KERN_ERR PFX "unable to allocate RQ PBL %d\n",
tgt->rq_pbl_size);
goto mem_alloc_failure;
}
@@ -682,7 +708,7 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
tgt->xferq = dma_alloc_coherent(&hba->pcidev->dev, tgt->xferq_mem_size,
&tgt->xferq_dma, GFP_KERNEL);
if (!tgt->xferq) {
- printk(KERN_ALERT PFX "unable to allocate XFERQ %d\n",
+ printk(KERN_ERR PFX "unable to allocate XFERQ %d\n",
tgt->xferq_mem_size);
goto mem_alloc_failure;
}
@@ -696,7 +722,7 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
tgt->confq = dma_alloc_coherent(&hba->pcidev->dev, tgt->confq_mem_size,
&tgt->confq_dma, GFP_KERNEL);
if (!tgt->confq) {
- printk(KERN_ALERT PFX "unable to allocate CONFQ %d\n",
+ printk(KERN_ERR PFX "unable to allocate CONFQ %d\n",
tgt->confq_mem_size);
goto mem_alloc_failure;
}
@@ -711,7 +737,7 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
tgt->confq_pbl_size,
&tgt->confq_pbl_dma, GFP_KERNEL);
if (!tgt->confq_pbl) {
- printk(KERN_ALERT PFX "unable to allocate CONFQ PBL %d\n",
+ printk(KERN_ERR PFX "unable to allocate CONFQ PBL %d\n",
tgt->confq_pbl_size);
goto mem_alloc_failure;
}
@@ -736,7 +762,7 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
tgt->conn_db_mem_size,
&tgt->conn_db_dma, GFP_KERNEL);
if (!tgt->conn_db) {
- printk(KERN_ALERT PFX "unable to allocate conn_db %d\n",
+ printk(KERN_ERR PFX "unable to allocate conn_db %d\n",
tgt->conn_db_mem_size);
goto mem_alloc_failure;
}
@@ -752,21 +778,17 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
&tgt->lcq_dma, GFP_KERNEL);
if (!tgt->lcq) {
- printk(KERN_ALERT PFX "unable to allocate lcq %d\n",
+ printk(KERN_ERR PFX "unable to allocate lcq %d\n",
tgt->lcq_mem_size);
goto mem_alloc_failure;
}
memset(tgt->lcq, 0, tgt->lcq_mem_size);
- /* Arm CQ */
- tgt->conn_db->cq_arm.lo = -1;
tgt->conn_db->rq_prod = 0x8000;
return 0;
mem_alloc_failure:
- bnx2fc_free_session_resc(hba, tgt);
- bnx2fc_free_conn_id(hba, tgt->fcoe_conn_id);
return -ENOMEM;
}
@@ -781,12 +803,14 @@ mem_alloc_failure:
static void bnx2fc_free_session_resc(struct bnx2fc_hba *hba,
struct bnx2fc_rport *tgt)
{
+ void __iomem *ctx_base_ptr;
+
BNX2FC_TGT_DBG(tgt, "Freeing up session resources\n");
- if (tgt->ctx_base) {
- iounmap(tgt->ctx_base);
- tgt->ctx_base = NULL;
- }
+ spin_lock_bh(&tgt->cq_lock);
+ ctx_base_ptr = tgt->ctx_base;
+ tgt->ctx_base = NULL;
+
/* Free LCQ */
if (tgt->lcq) {
dma_free_coherent(&hba->pcidev->dev, tgt->lcq_mem_size,
@@ -828,17 +852,19 @@ static void bnx2fc_free_session_resc(struct bnx2fc_hba *hba,
tgt->rq = NULL;
}
/* Free CQ */
- spin_lock_bh(&tgt->cq_lock);
if (tgt->cq) {
dma_free_coherent(&hba->pcidev->dev, tgt->cq_mem_size,
tgt->cq, tgt->cq_dma);
tgt->cq = NULL;
}
- spin_unlock_bh(&tgt->cq_lock);
/* Free SQ */
if (tgt->sq) {
dma_free_coherent(&hba->pcidev->dev, tgt->sq_mem_size,
tgt->sq, tgt->sq_dma);
tgt->sq = NULL;
}
+ spin_unlock_bh(&tgt->cq_lock);
+
+ if (ctx_base_ptr)
+ iounmap(ctx_base_ptr);
}
generated by cgit v1.1 at 2024-04-25 00:30:12 +0000