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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cq.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en.h9
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_common.c12
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c21
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/uar.c56
5 files changed, 15 insertions, 85 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cq.c b/drivers/net/ethernet/mellanox/mlx5/core/cq.c
index 32d4af9b594d..336d4738b807 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cq.c
@@ -179,6 +179,8 @@ int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
mlx5_core_dbg(dev, "failed adding CP 0x%x to debug file system\n",
cq->cqn);
+ cq->uar = dev->priv.uar;
+
return 0;
err_cmd:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 3037631570b1..a473cea10c16 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -465,7 +465,6 @@ struct mlx5e_sq {
/* read only */
struct mlx5_wq_cyc wq;
u32 dma_fifo_mask;
- void __iomem *uar_map;
struct netdev_queue *txq;
u32 sqn;
u16 bf_buf_size;
@@ -479,7 +478,7 @@ struct mlx5e_sq {
/* control path */
struct mlx5_wq_ctrl wq_ctrl;
- struct mlx5_uar uar;
+ struct mlx5_sq_bfreg bfreg;
struct mlx5e_channel *channel;
int tc;
u32 rate_limit;
@@ -806,7 +805,7 @@ void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params,
static inline void mlx5e_tx_notify_hw(struct mlx5e_sq *sq,
struct mlx5_wqe_ctrl_seg *ctrl, int bf_sz)
{
- u16 ofst = MLX5_BF_OFFSET + sq->bf_offset;
+ u16 ofst = sq->bf_offset;
/* ensure wqe is visible to device before updating doorbell record */
dma_wmb();
@@ -818,9 +817,9 @@ static inline void mlx5e_tx_notify_hw(struct mlx5e_sq *sq,
*/
wmb();
if (bf_sz)
- __iowrite64_copy(sq->uar_map + ofst, ctrl, bf_sz);
+ __iowrite64_copy(sq->bfreg.map + ofst, ctrl, bf_sz);
else
- mlx5_write64((__be32 *)ctrl, sq->uar_map + ofst, NULL);
+ mlx5_write64((__be32 *)ctrl, sq->bfreg.map + ofst, NULL);
/* flush the write-combining mapped buffer */
wmb();
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
index f175518ff07a..bd898d8deda0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
@@ -89,16 +89,10 @@ int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev)
struct mlx5e_resources *res = &mdev->mlx5e_res;
int err;
- err = mlx5_alloc_map_uar(mdev, &res->cq_uar, false);
- if (err) {
- mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err);
- return err;
- }
-
err = mlx5_core_alloc_pd(mdev, &res->pdn);
if (err) {
mlx5_core_err(mdev, "alloc pd failed, %d\n", err);
- goto err_unmap_free_uar;
+ return err;
}
err = mlx5_core_alloc_transport_domain(mdev, &res->td.tdn);
@@ -121,9 +115,6 @@ err_dealloc_transport_domain:
mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
err_dealloc_pd:
mlx5_core_dealloc_pd(mdev, res->pdn);
-err_unmap_free_uar:
- mlx5_unmap_free_uar(mdev, &res->cq_uar);
-
return err;
}
@@ -134,7 +125,6 @@ void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev)
mlx5_core_destroy_mkey(mdev, &res->mkey);
mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
mlx5_core_dealloc_pd(mdev, res->pdn);
- mlx5_unmap_free_uar(mdev, &res->cq_uar);
}
int mlx5e_refresh_tirs_self_loopback(struct mlx5_core_dev *mdev,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 5ff86f0ecb7b..c32754b1598e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -991,7 +991,7 @@ static int mlx5e_create_sq(struct mlx5e_channel *c,
sq->channel = c;
sq->tc = tc;
- err = mlx5_alloc_map_uar(mdev, &sq->uar, !!MLX5_CAP_GEN(mdev, bf));
+ err = mlx5_alloc_bfreg(mdev, &sq->bfreg, MLX5_CAP_GEN(mdev, bf), false);
if (err)
return err;
@@ -1003,12 +1003,9 @@ static int mlx5e_create_sq(struct mlx5e_channel *c,
goto err_unmap_free_uar;
sq->wq.db = &sq->wq.db[MLX5_SND_DBR];
- if (sq->uar.bf_map) {
+ if (sq->bfreg.wc)
set_bit(MLX5E_SQ_STATE_BF_ENABLE, &sq->state);
- sq->uar_map = sq->uar.bf_map;
- } else {
- sq->uar_map = sq->uar.map;
- }
+
sq->bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2;
sq->max_inline = param->max_inline;
sq->min_inline_mode =
@@ -1036,7 +1033,7 @@ err_sq_wq_destroy:
mlx5_wq_destroy(&sq->wq_ctrl);
err_unmap_free_uar:
- mlx5_unmap_free_uar(mdev, &sq->uar);
+ mlx5_free_bfreg(mdev, &sq->bfreg);
return err;
}
@@ -1048,7 +1045,7 @@ static void mlx5e_destroy_sq(struct mlx5e_sq *sq)
mlx5e_free_sq_db(sq);
mlx5_wq_destroy(&sq->wq_ctrl);
- mlx5_unmap_free_uar(priv->mdev, &sq->uar);
+ mlx5_free_bfreg(priv->mdev, &sq->bfreg);
}
static int mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param)
@@ -1082,7 +1079,7 @@ static int mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param)
MLX5_SET(sqc, sqc, tis_lst_sz, param->type == MLX5E_SQ_ICO ? 0 : 1);
MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC);
- MLX5_SET(wq, wq, uar_page, sq->uar.index);
+ MLX5_SET(wq, wq, uar_page, sq->bfreg.index);
MLX5_SET(wq, wq, log_wq_pg_sz, sq->wq_ctrl.buf.page_shift -
MLX5_ADAPTER_PAGE_SHIFT);
MLX5_SET64(wq, wq, dbr_addr, sq->wq_ctrl.db.dma);
@@ -1240,7 +1237,6 @@ static int mlx5e_create_cq(struct mlx5e_channel *c,
mcq->comp = mlx5e_completion_event;
mcq->event = mlx5e_cq_error_event;
mcq->irqn = irqn;
- mcq->uar = &mdev->mlx5e_res.cq_uar;
for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) {
struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i);
@@ -1289,7 +1285,7 @@ static int mlx5e_enable_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param)
MLX5_SET(cqc, cqc, cq_period_mode, param->cq_period_mode);
MLX5_SET(cqc, cqc, c_eqn, eqn);
- MLX5_SET(cqc, cqc, uar_page, mcq->uar->index);
+ MLX5_SET(cqc, cqc, uar_page, mdev->priv.uar->index);
MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.frag_buf.page_shift -
MLX5_ADAPTER_PAGE_SHIFT);
MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma);
@@ -1701,7 +1697,7 @@ static void mlx5e_build_common_cq_param(struct mlx5e_priv *priv,
{
void *cqc = param->cqc;
- MLX5_SET(cqc, cqc, uar_page, priv->mdev->mlx5e_res.cq_uar.index);
+ MLX5_SET(cqc, cqc, uar_page, priv->mdev->priv.uar->index);
}
static void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv,
@@ -2320,7 +2316,6 @@ static int mlx5e_create_drop_cq(struct mlx5e_priv *priv,
mcq->comp = mlx5e_completion_event;
mcq->event = mlx5e_cq_error_event;
mcq->irqn = irqn;
- mcq->uar = &mdev->mlx5e_res.cq_uar;
cq->priv = priv;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
index 07b273cccc26..2e6b0f290ddc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
@@ -37,11 +37,6 @@
#include <linux/mlx5/cmd.h>
#include "mlx5_core.h"
-enum {
- NUM_DRIVER_UARS = 4,
- NUM_LOW_LAT_BFREGS = 4,
-};
-
int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn)
{
u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {0};
@@ -67,57 +62,6 @@ int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn)
}
EXPORT_SYMBOL(mlx5_cmd_free_uar);
-int mlx5_alloc_map_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar,
- bool map_wc)
-{
- phys_addr_t pfn;
- phys_addr_t uar_bar_start;
- int err;
-
- err = mlx5_cmd_alloc_uar(mdev, &uar->index);
- if (err) {
- mlx5_core_warn(mdev, "mlx5_cmd_alloc_uar() failed, %d\n", err);
- return err;
- }
-
- uar_bar_start = pci_resource_start(mdev->pdev, 0);
- pfn = (uar_bar_start >> PAGE_SHIFT) + uar->index;
-
- if (map_wc) {
- uar->bf_map = ioremap_wc(pfn << PAGE_SHIFT, PAGE_SIZE);
- if (!uar->bf_map) {
- mlx5_core_warn(mdev, "ioremap_wc() failed\n");
- uar->map = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE);
- if (!uar->map)
- goto err_free_uar;
- }
- } else {
- uar->map = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE);
- if (!uar->map)
- goto err_free_uar;
- }
-
- return 0;
-
-err_free_uar:
- mlx5_core_warn(mdev, "ioremap() failed\n");
- err = -ENOMEM;
- mlx5_cmd_free_uar(mdev, uar->index);
-
- return err;
-}
-EXPORT_SYMBOL(mlx5_alloc_map_uar);
-
-void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar)
-{
- if (uar->map)
- iounmap(uar->map);
- else
- iounmap(uar->bf_map);
- mlx5_cmd_free_uar(mdev, uar->index);
-}
-EXPORT_SYMBOL(mlx5_unmap_free_uar);
-
static int uars_per_sys_page(struct mlx5_core_dev *mdev)
{
if (MLX5_CAP_GEN(mdev, uar_4k))
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