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Date: Sun, 26 May 2019 15:22:22 +0300
From: Michal Kalderon <michal.kalderon@...vell.com>
To: <michal.kalderon@...vell.com>, <ariel.elior@...vell.com>,
<davem@...emloft.net>
CC: <dledford@...hat.com>, <jgg@...pe.ca>, <leon@...nel.org>,
<linux-rdma@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-scsi@...r.kernel.org>
Subject: [PATCH v2 net-next 03/11] qed*: Change hwfn used for sb initialization
When initializing status blocks use the affined hwfn
instead of the leading one for RDMA / Storage
Signed-off-by: Ariel Elior <ariel.elior@...vell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@...vell.com>
---
drivers/infiniband/hw/qedr/main.c | 3 +-
drivers/net/ethernet/qlogic/qed/qed_main.c | 47 ++++++++++++++++------------
drivers/net/ethernet/qlogic/qede/qede_main.c | 3 +-
include/linux/qed/qed_if.h | 10 +++++-
4 files changed, 40 insertions(+), 23 deletions(-)
diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c
index 996d9ecd93e0..fd94100ee03a 100644
--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -326,7 +326,8 @@ static void qedr_free_mem_sb(struct qedr_dev *dev,
struct qed_sb_info *sb_info, int sb_id)
{
if (sb_info->sb_virt) {
- dev->ops->common->sb_release(dev->cdev, sb_info, sb_id);
+ dev->ops->common->sb_release(dev->cdev, sb_info, sb_id,
+ QED_SB_TYPE_CNQ);
dma_free_coherent(&dev->pdev->dev, sizeof(*sb_info->sb_virt),
(void *)sb_info->sb_virt, sb_info->sb_phys);
}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 6de23b56b294..7f19fefe0d79 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -1301,26 +1301,21 @@ static u32 qed_sb_init(struct qed_dev *cdev,
{
struct qed_hwfn *p_hwfn;
struct qed_ptt *p_ptt;
- int hwfn_index;
u16 rel_sb_id;
- u8 n_hwfns;
u32 rc;
- /* RoCE uses single engine and CMT uses two engines. When using both
- * we force only a single engine. Storage uses only engine 0 too.
- */
- if (type == QED_SB_TYPE_L2_QUEUE)
- n_hwfns = cdev->num_hwfns;
- else
- n_hwfns = 1;
-
- hwfn_index = sb_id % n_hwfns;
- p_hwfn = &cdev->hwfns[hwfn_index];
- rel_sb_id = sb_id / n_hwfns;
+ /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
+ if (type == QED_SB_TYPE_L2_QUEUE) {
+ p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
+ rel_sb_id = sb_id / cdev->num_hwfns;
+ } else {
+ p_hwfn = QED_AFFIN_HWFN(cdev);
+ rel_sb_id = sb_id;
+ }
DP_VERBOSE(cdev, NETIF_MSG_INTR,
"hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
- hwfn_index, rel_sb_id, sb_id);
+ IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
if (IS_PF(p_hwfn->cdev)) {
p_ptt = qed_ptt_acquire(p_hwfn);
@@ -1339,20 +1334,26 @@ static u32 qed_sb_init(struct qed_dev *cdev,
}
static u32 qed_sb_release(struct qed_dev *cdev,
- struct qed_sb_info *sb_info, u16 sb_id)
+ struct qed_sb_info *sb_info,
+ u16 sb_id,
+ enum qed_sb_type type)
{
struct qed_hwfn *p_hwfn;
- int hwfn_index;
u16 rel_sb_id;
u32 rc;
- hwfn_index = sb_id % cdev->num_hwfns;
- p_hwfn = &cdev->hwfns[hwfn_index];
- rel_sb_id = sb_id / cdev->num_hwfns;
+ /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
+ if (type == QED_SB_TYPE_L2_QUEUE) {
+ p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
+ rel_sb_id = sb_id / cdev->num_hwfns;
+ } else {
+ p_hwfn = QED_AFFIN_HWFN(cdev);
+ rel_sb_id = sb_id;
+ }
DP_VERBOSE(cdev, NETIF_MSG_INTR,
"hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
- hwfn_index, rel_sb_id, sb_id);
+ IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
@@ -2372,6 +2373,11 @@ static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
return rc;
}
+static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
+{
+ return QED_AFFIN_HWFN_IDX(cdev);
+}
+
static struct qed_selftest_ops qed_selftest_ops_pass = {
.selftest_memory = &qed_selftest_memory,
.selftest_interrupt = &qed_selftest_interrupt,
@@ -2419,6 +2425,7 @@ const struct qed_common_ops qed_common_ops_pass = {
.db_recovery_add = &qed_db_recovery_add,
.db_recovery_del = &qed_db_recovery_del,
.read_module_eeprom = &qed_read_module_eeprom,
+ .get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
};
void qed_get_protocol_stats(struct qed_dev *cdev,
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 02a97c659e29..a9684a881f2a 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -1306,7 +1306,8 @@ static void qede_free_mem_sb(struct qede_dev *edev, struct qed_sb_info *sb_info,
u16 sb_id)
{
if (sb_info->sb_virt) {
- edev->ops->common->sb_release(edev->cdev, sb_info, sb_id);
+ edev->ops->common->sb_release(edev->cdev, sb_info, sb_id,
+ QED_SB_TYPE_L2_QUEUE);
dma_free_coherent(&edev->pdev->dev, sizeof(*sb_info->sb_virt),
(void *)sb_info->sb_virt, sb_info->sb_phys);
memset(sb_info, 0, sizeof(*sb_info));
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index f6165d304b4d..8fd11aaa3172 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -907,7 +907,8 @@ struct qed_common_ops {
u32 (*sb_release)(struct qed_dev *cdev,
struct qed_sb_info *sb_info,
- u16 sb_id);
+ u16 sb_id,
+ enum qed_sb_type type);
void (*simd_handler_config)(struct qed_dev *cdev,
void *token,
@@ -1123,6 +1124,13 @@ struct qed_common_ops {
*/
int (*read_module_eeprom)(struct qed_dev *cdev,
char *buf, u8 dev_addr, u32 offset, u32 len);
+
+/**
+ * @brief get_affin_hwfn_idx
+ *
+ * @param cdev
+ */
+ u8 (*get_affin_hwfn_idx)(struct qed_dev *cdev);
};
#define MASK_FIELD(_name, _value) \
--
2.14.5
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