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path: root/drivers/net/ethernet/qlogic/qed/qed_spq.c
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Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_spq.c')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_spq.c95
1 files changed, 39 insertions, 56 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c
index d73456eab1d7..0265a32c8681 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c
@@ -41,8 +41,7 @@
***************************************************************************/
static void qed_spq_blocking_cb(struct qed_hwfn *p_hwfn,
void *cookie,
- union event_ring_data *data,
- u8 fw_return_code)
+ union event_ring_data *data, u8 fw_return_code)
{
struct qed_spq_comp_done *comp_done;
@@ -109,9 +108,8 @@ static int qed_spq_block(struct qed_hwfn *p_hwfn,
/***************************************************************************
* SPQ entries inner API
***************************************************************************/
-static int
-qed_spq_fill_entry(struct qed_hwfn *p_hwfn,
- struct qed_spq_entry *p_ent)
+static int qed_spq_fill_entry(struct qed_hwfn *p_hwfn,
+ struct qed_spq_entry *p_ent)
{
p_ent->flags = 0;
@@ -189,8 +187,7 @@ static void qed_spq_hw_initialize(struct qed_hwfn *p_hwfn,
}
static int qed_spq_hw_post(struct qed_hwfn *p_hwfn,
- struct qed_spq *p_spq,
- struct qed_spq_entry *p_ent)
+ struct qed_spq *p_spq, struct qed_spq_entry *p_ent)
{
struct qed_chain *p_chain = &p_hwfn->p_spq->chain;
u16 echo = qed_chain_get_prod_idx(p_chain);
@@ -255,8 +252,7 @@ qed_async_event_completion(struct qed_hwfn *p_hwfn,
/***************************************************************************
* EQ API
***************************************************************************/
-void qed_eq_prod_update(struct qed_hwfn *p_hwfn,
- u16 prod)
+void qed_eq_prod_update(struct qed_hwfn *p_hwfn, u16 prod)
{
u32 addr = GTT_BAR0_MAP_REG_USDM_RAM +
USTORM_EQE_CONS_OFFSET(p_hwfn->rel_pf_id);
@@ -267,9 +263,7 @@ void qed_eq_prod_update(struct qed_hwfn *p_hwfn,
mmiowb();
}
-int qed_eq_completion(struct qed_hwfn *p_hwfn,
- void *cookie)
-
+int qed_eq_completion(struct qed_hwfn *p_hwfn, void *cookie)
{
struct qed_eq *p_eq = cookie;
struct qed_chain *p_chain = &p_eq->chain;
@@ -323,8 +317,7 @@ int qed_eq_completion(struct qed_hwfn *p_hwfn,
return rc;
}
-struct qed_eq *qed_eq_alloc(struct qed_hwfn *p_hwfn,
- u16 num_elem)
+struct qed_eq *qed_eq_alloc(struct qed_hwfn *p_hwfn, u16 num_elem)
{
struct qed_eq *p_eq;
@@ -348,11 +341,8 @@ struct qed_eq *qed_eq_alloc(struct qed_hwfn *p_hwfn,
}
/* register EQ completion on the SP SB */
- qed_int_register_cb(p_hwfn,
- qed_eq_completion,
- p_eq,
- &p_eq->eq_sb_index,
- &p_eq->p_fw_cons);
+ qed_int_register_cb(p_hwfn, qed_eq_completion,
+ p_eq, &p_eq->eq_sb_index, &p_eq->p_fw_cons);
return p_eq;
@@ -361,14 +351,12 @@ eq_allocate_fail:
return NULL;
}
-void qed_eq_setup(struct qed_hwfn *p_hwfn,
- struct qed_eq *p_eq)
+void qed_eq_setup(struct qed_hwfn *p_hwfn, struct qed_eq *p_eq)
{
qed_chain_reset(&p_eq->chain);
}
-void qed_eq_free(struct qed_hwfn *p_hwfn,
- struct qed_eq *p_eq)
+void qed_eq_free(struct qed_hwfn *p_hwfn, struct qed_eq *p_eq)
{
if (!p_eq)
return;
@@ -379,10 +367,9 @@ void qed_eq_free(struct qed_hwfn *p_hwfn,
/***************************************************************************
* CQE API - manipulate EQ functionality
***************************************************************************/
-static int qed_cqe_completion(
- struct qed_hwfn *p_hwfn,
- struct eth_slow_path_rx_cqe *cqe,
- enum protocol_type protocol)
+static int qed_cqe_completion(struct qed_hwfn *p_hwfn,
+ struct eth_slow_path_rx_cqe *cqe,
+ enum protocol_type protocol)
{
if (IS_VF(p_hwfn->cdev))
return 0;
@@ -463,8 +450,7 @@ int qed_spq_alloc(struct qed_hwfn *p_hwfn)
u32 capacity;
/* SPQ struct */
- p_spq =
- kzalloc(sizeof(struct qed_spq), GFP_KERNEL);
+ p_spq = kzalloc(sizeof(struct qed_spq), GFP_KERNEL);
if (!p_spq) {
DP_NOTICE(p_hwfn, "Failed to allocate `struct qed_spq'\n");
return -ENOMEM;
@@ -525,9 +511,7 @@ void qed_spq_free(struct qed_hwfn *p_hwfn)
kfree(p_spq);
}
-int
-qed_spq_get_entry(struct qed_hwfn *p_hwfn,
- struct qed_spq_entry **pp_ent)
+int qed_spq_get_entry(struct qed_hwfn *p_hwfn, struct qed_spq_entry **pp_ent)
{
struct qed_spq *p_spq = p_hwfn->p_spq;
struct qed_spq_entry *p_ent = NULL;
@@ -538,14 +522,15 @@ qed_spq_get_entry(struct qed_hwfn *p_hwfn,
if (list_empty(&p_spq->free_pool)) {
p_ent = kzalloc(sizeof(*p_ent), GFP_ATOMIC);
if (!p_ent) {
+ DP_NOTICE(p_hwfn,
+ "Failed to allocate an SPQ entry for a pending ramrod\n");
rc = -ENOMEM;
goto out_unlock;
}
p_ent->queue = &p_spq->unlimited_pending;
} else {
p_ent = list_first_entry(&p_spq->free_pool,
- struct qed_spq_entry,
- list);
+ struct qed_spq_entry, list);
list_del(&p_ent->list);
p_ent->queue = &p_spq->pending;
}
@@ -564,8 +549,7 @@ static void __qed_spq_return_entry(struct qed_hwfn *p_hwfn,
list_add_tail(&p_ent->list, &p_hwfn->p_spq->free_pool);
}
-void qed_spq_return_entry(struct qed_hwfn *p_hwfn,
- struct qed_spq_entry *p_ent)
+void qed_spq_return_entry(struct qed_hwfn *p_hwfn, struct qed_spq_entry *p_ent)
{
spin_lock_bh(&p_hwfn->p_spq->lock);
__qed_spq_return_entry(p_hwfn, p_ent);
@@ -586,10 +570,9 @@ void qed_spq_return_entry(struct qed_hwfn *p_hwfn,
*
* @return int
*/
-static int
-qed_spq_add_entry(struct qed_hwfn *p_hwfn,
- struct qed_spq_entry *p_ent,
- enum spq_priority priority)
+static int qed_spq_add_entry(struct qed_hwfn *p_hwfn,
+ struct qed_spq_entry *p_ent,
+ enum spq_priority priority)
{
struct qed_spq *p_spq = p_hwfn->p_spq;
@@ -604,8 +587,7 @@ qed_spq_add_entry(struct qed_hwfn *p_hwfn,
struct qed_spq_entry *p_en2;
p_en2 = list_first_entry(&p_spq->free_pool,
- struct qed_spq_entry,
- list);
+ struct qed_spq_entry, list);
list_del(&p_en2->list);
/* Copy the ring element physical pointer to the new
@@ -655,8 +637,7 @@ u32 qed_spq_get_cid(struct qed_hwfn *p_hwfn)
* Posting new Ramrods
***************************************************************************/
static int qed_spq_post_list(struct qed_hwfn *p_hwfn,
- struct list_head *head,
- u32 keep_reserve)
+ struct list_head *head, u32 keep_reserve)
{
struct qed_spq *p_spq = p_hwfn->p_spq;
int rc;
@@ -690,8 +671,7 @@ static int qed_spq_pend_post(struct qed_hwfn *p_hwfn)
break;
p_ent = list_first_entry(&p_spq->unlimited_pending,
- struct qed_spq_entry,
- list);
+ struct qed_spq_entry, list);
if (!p_ent)
return -EINVAL;
@@ -705,8 +685,7 @@ static int qed_spq_pend_post(struct qed_hwfn *p_hwfn)
}
int qed_spq_post(struct qed_hwfn *p_hwfn,
- struct qed_spq_entry *p_ent,
- u8 *fw_return_code)
+ struct qed_spq_entry *p_ent, u8 *fw_return_code)
{
int rc = 0;
struct qed_spq *p_spq = p_hwfn ? p_hwfn->p_spq : NULL;
@@ -803,8 +782,7 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn,
return -EINVAL;
spin_lock_bh(&p_spq->lock);
- list_for_each_entry_safe(p_ent, tmp, &p_spq->completion_pending,
- list) {
+ list_for_each_entry_safe(p_ent, tmp, &p_spq->completion_pending, list) {
if (p_ent->elem.hdr.echo == echo) {
u16 pos = le16_to_cpu(echo) % SPQ_RING_SIZE;
@@ -846,15 +824,22 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn,
if (!found) {
DP_NOTICE(p_hwfn,
- "Failed to find an entry this EQE completes\n");
+ "Failed to find an entry this EQE [echo %04x] completes\n",
+ le16_to_cpu(echo));
return -EEXIST;
}
- DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Complete: func %p cookie %p)\n",
+ DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
+ "Complete EQE [echo %04x]: func %p cookie %p)\n",
+ le16_to_cpu(echo),
p_ent->comp_cb.function, p_ent->comp_cb.cookie);
if (found->comp_cb.function)
found->comp_cb.function(p_hwfn, found->comp_cb.cookie, p_data,
fw_return_code);
+ else
+ DP_VERBOSE(p_hwfn,
+ QED_MSG_SPQ,
+ "Got a completion without a callback function\n");
if ((found->comp_mode != QED_SPQ_MODE_EBLOCK) ||
(found->queue == &p_spq->unlimited_pending))
@@ -901,14 +886,12 @@ consq_allocate_fail:
return NULL;
}
-void qed_consq_setup(struct qed_hwfn *p_hwfn,
- struct qed_consq *p_consq)
+void qed_consq_setup(struct qed_hwfn *p_hwfn, struct qed_consq *p_consq)
{
qed_chain_reset(&p_consq->chain);
}
-void qed_consq_free(struct qed_hwfn *p_hwfn,
- struct qed_consq *p_consq)
+void qed_consq_free(struct qed_hwfn *p_hwfn, struct qed_consq *p_consq)
{
if (!p_consq)
return;
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