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path: root/drivers/net/ethernet/mellanox/mlx4/cq.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/cq.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/cq.c141
1 files changed, 91 insertions, 50 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c
index 499a5168892a..475f9d6af955 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cq.c
@@ -34,9 +34,9 @@
* SOFTWARE.
*/
+#include <linux/init.h>
#include <linux/hardirq.h>
#include <linux/export.h>
-#include <linux/gfp.h>
#include <linux/mlx4/cmd.h>
#include <linux/mlx4/cq.h>
@@ -44,27 +44,6 @@
#include "mlx4.h"
#include "icm.h"
-struct mlx4_cq_context {
- __be32 flags;
- u16 reserved1[3];
- __be16 page_offset;
- __be32 logsize_usrpage;
- __be16 cq_period;
- __be16 cq_max_count;
- u8 reserved2[3];
- u8 comp_eqn;
- u8 log_page_size;
- u8 reserved3[2];
- u8 mtt_base_addr_h;
- __be32 mtt_base_addr_l;
- __be32 last_notified_index;
- __be32 solicit_producer_index;
- __be32 consumer_index;
- __be32 producer_index;
- u32 reserved4[2];
- __be64 db_rec_addr;
-};
-
#define MLX4_CQ_STATUS_OK ( 0 << 28)
#define MLX4_CQ_STATUS_OVERFLOW ( 9 << 28)
#define MLX4_CQ_STATUS_WRITE_FAIL (10 << 28)
@@ -81,7 +60,7 @@ void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn)
cq = radix_tree_lookup(&mlx4_priv(dev)->cq_table.tree,
cqn & (dev->caps.num_cqs - 1));
if (!cq) {
- mlx4_warn(dev, "Completion event for bogus CQ %08x\n", cqn);
+ mlx4_dbg(dev, "Completion event for bogus CQ %08x\n", cqn);
return;
}
@@ -117,23 +96,24 @@ void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type)
static int mlx4_SW2HW_CQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
int cq_num)
{
- return mlx4_cmd(dev, mailbox->dma, cq_num, 0, MLX4_CMD_SW2HW_CQ,
- MLX4_CMD_TIME_CLASS_A);
+ return mlx4_cmd(dev, mailbox->dma | dev->caps.function, cq_num, 0,
+ MLX4_CMD_SW2HW_CQ, MLX4_CMD_TIME_CLASS_A,
+ MLX4_CMD_WRAPPED);
}
static int mlx4_MODIFY_CQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
int cq_num, u32 opmod)
{
return mlx4_cmd(dev, mailbox->dma, cq_num, opmod, MLX4_CMD_MODIFY_CQ,
- MLX4_CMD_TIME_CLASS_A);
+ MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
}
static int mlx4_HW2SW_CQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
int cq_num)
{
- return mlx4_cmd_box(dev, 0, mailbox ? mailbox->dma : 0, cq_num,
- mailbox ? 0 : 1, MLX4_CMD_HW2SW_CQ,
- MLX4_CMD_TIME_CLASS_A);
+ return mlx4_cmd_box(dev, dev->caps.function, mailbox ? mailbox->dma : 0,
+ cq_num, mailbox ? 0 : 1, MLX4_CMD_HW2SW_CQ,
+ MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
}
int mlx4_cq_modify(struct mlx4_dev *dev, struct mlx4_cq *cq,
@@ -188,6 +168,78 @@ int mlx4_cq_resize(struct mlx4_dev *dev, struct mlx4_cq *cq,
}
EXPORT_SYMBOL_GPL(mlx4_cq_resize);
+int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn)
+{
+ struct mlx4_priv *priv = mlx4_priv(dev);
+ struct mlx4_cq_table *cq_table = &priv->cq_table;
+ int err;
+
+ *cqn = mlx4_bitmap_alloc(&cq_table->bitmap);
+ if (*cqn == -1)
+ return -ENOMEM;
+
+ err = mlx4_table_get(dev, &cq_table->table, *cqn);
+ if (err)
+ goto err_out;
+
+ err = mlx4_table_get(dev, &cq_table->cmpt_table, *cqn);
+ if (err)
+ goto err_put;
+ return 0;
+
+err_put:
+ mlx4_table_put(dev, &cq_table->table, *cqn);
+
+err_out:
+ mlx4_bitmap_free(&cq_table->bitmap, *cqn);
+ return err;
+}
+
+static int mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn)
+{
+ u64 out_param;
+ int err;
+
+ if (mlx4_is_mfunc(dev)) {
+ err = mlx4_cmd_imm(dev, 0, &out_param, RES_CQ,
+ RES_OP_RESERVE_AND_MAP, MLX4_CMD_ALLOC_RES,
+ MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
+ if (err)
+ return err;
+ else {
+ *cqn = get_param_l(&out_param);
+ return 0;
+ }
+ }
+ return __mlx4_cq_alloc_icm(dev, cqn);
+}
+
+void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn)
+{
+ struct mlx4_priv *priv = mlx4_priv(dev);
+ struct mlx4_cq_table *cq_table = &priv->cq_table;
+
+ mlx4_table_put(dev, &cq_table->cmpt_table, cqn);
+ mlx4_table_put(dev, &cq_table->table, cqn);
+ mlx4_bitmap_free(&cq_table->bitmap, cqn);
+}
+
+static void mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn)
+{
+ u64 in_param;
+ int err;
+
+ if (mlx4_is_mfunc(dev)) {
+ set_param_l(&in_param, cqn);
+ err = mlx4_cmd(dev, in_param, RES_CQ, RES_OP_RESERVE_AND_MAP,
+ MLX4_CMD_FREE_RES,
+ MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
+ if (err)
+ mlx4_warn(dev, "Failed freeing cq:%d\n", cqn);
+ } else
+ __mlx4_cq_free_icm(dev, cqn);
+}
+
int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
unsigned vector, int collapsed)
@@ -204,23 +256,15 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
cq->vector = vector;
- cq->cqn = mlx4_bitmap_alloc(&cq_table->bitmap);
- if (cq->cqn == -1)
- return -ENOMEM;
-
- err = mlx4_table_get(dev, &cq_table->table, cq->cqn);
- if (err)
- goto err_out;
-
- err = mlx4_table_get(dev, &cq_table->cmpt_table, cq->cqn);
+ err = mlx4_cq_alloc_icm(dev, &cq->cqn);
if (err)
- goto err_put;
+ return err;
spin_lock_irq(&cq_table->lock);
err = radix_tree_insert(&cq_table->tree, cq->cqn, cq);
spin_unlock_irq(&cq_table->lock);
if (err)
- goto err_cmpt_put;
+ goto err_icm;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox)) {
@@ -259,14 +303,8 @@ err_radix:
radix_tree_delete(&cq_table->tree, cq->cqn);
spin_unlock_irq(&cq_table->lock);
-err_cmpt_put:
- mlx4_table_put(dev, &cq_table->cmpt_table, cq->cqn);
-
-err_put:
- mlx4_table_put(dev, &cq_table->table, cq->cqn);
-
-err_out:
- mlx4_bitmap_free(&cq_table->bitmap, cq->cqn);
+err_icm:
+ mlx4_cq_free_icm(dev, cq->cqn);
return err;
}
@@ -292,8 +330,7 @@ void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq)
complete(&cq->free);
wait_for_completion(&cq->free);
- mlx4_table_put(dev, &cq_table->table, cq->cqn);
- mlx4_bitmap_free(&cq_table->bitmap, cq->cqn);
+ mlx4_cq_free_icm(dev, cq->cqn);
}
EXPORT_SYMBOL_GPL(mlx4_cq_free);
@@ -304,6 +341,8 @@ int mlx4_init_cq_table(struct mlx4_dev *dev)
spin_lock_init(&cq_table->lock);
INIT_RADIX_TREE(&cq_table->tree, GFP_ATOMIC);
+ if (mlx4_is_slave(dev))
+ return 0;
err = mlx4_bitmap_init(&cq_table->bitmap, dev->caps.num_cqs,
dev->caps.num_cqs - 1, dev->caps.reserved_cqs, 0);
@@ -315,6 +354,8 @@ int mlx4_init_cq_table(struct mlx4_dev *dev)
void mlx4_cleanup_cq_table(struct mlx4_dev *dev)
{
+ if (mlx4_is_slave(dev))
+ return;
/* Nothing to do to clean up radix_tree */
mlx4_bitmap_cleanup(&mlx4_priv(dev)->cq_table.bitmap);
}
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