diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mr.c')
-rw-r--r-- | drivers/infiniband/hw/mlx5/mr.c | 65 |
1 files changed, 50 insertions, 15 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 6fa0a83c19de..8508af500972 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -47,6 +47,46 @@ enum { #define MLX5_UMR_ALIGN 2048 +static void +create_mkey_callback(int status, struct mlx5_async_work *context); + +static void +assign_mkey_variant(struct mlx5_ib_dev *dev, struct mlx5_core_mkey *mkey, + u32 *in) +{ + void *mkc; + u8 key; + + spin_lock_irq(&dev->mkey_lock); + key = dev->mkey_key++; + spin_unlock_irq(&dev->mkey_lock); + + mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); + MLX5_SET(mkc, mkc, mkey_7_0, key); + mkey->key = key; +} + +static int +mlx5_ib_create_mkey(struct mlx5_ib_dev *dev, struct mlx5_core_mkey *mkey, + u32 *in, int inlen) +{ + assign_mkey_variant(dev, mkey, in); + return mlx5_core_create_mkey(dev->mdev, mkey, in, inlen); +} + +static int +mlx5_ib_create_mkey_cb(struct mlx5_ib_dev *dev, + struct mlx5_core_mkey *mkey, + struct mlx5_async_ctx *async_ctx, + u32 *in, int inlen, u32 *out, int outlen, + struct mlx5_async_work *context) +{ + MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY); + assign_mkey_variant(dev, mkey, in); + return mlx5_cmd_exec_cb(async_ctx, in, inlen, out, outlen, + create_mkey_callback, context); +} + static void clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr); static int mr_cache_max_order(struct mlx5_ib_dev *dev); @@ -79,7 +119,7 @@ static bool use_umr_mtt_update(struct mlx5_ib_mr *mr, u64 start, u64 length) length + (start & (MLX5_ADAPTER_PAGE_SIZE - 1)); } -static void reg_mr_callback(int status, struct mlx5_async_work *context) +static void create_mkey_callback(int status, struct mlx5_async_work *context) { struct mlx5_ib_mr *mr = container_of(context, struct mlx5_ib_mr, cb_work); @@ -87,7 +127,6 @@ static void reg_mr_callback(int status, struct mlx5_async_work *context) struct mlx5_mr_cache *cache = &dev->cache; int c = order2idx(dev, mr->order); struct mlx5_cache_ent *ent = &cache->ent[c]; - u8 key; unsigned long flags; spin_lock_irqsave(&ent->lock, flags); @@ -102,10 +141,8 @@ static void reg_mr_callback(int status, struct mlx5_async_work *context) } mr->mmkey.type = MLX5_MKEY_MR; - spin_lock_irqsave(&dev->mdev->priv.mkey_lock, flags); - key = dev->mdev->priv.mkey_key++; - spin_unlock_irqrestore(&dev->mdev->priv.mkey_lock, flags); - mr->mmkey.key = mlx5_idx_to_mkey(MLX5_GET(create_mkey_out, mr->out, mkey_index)) | key; + mr->mmkey.key |= mlx5_idx_to_mkey( + MLX5_GET(create_mkey_out, mr->out, mkey_index)); cache->last_add = jiffies; @@ -163,10 +200,10 @@ static int add_keys(struct mlx5_ib_dev *dev, int c, int num) spin_lock_irq(&ent->lock); ent->pending++; spin_unlock_irq(&ent->lock); - err = mlx5_core_create_mkey_cb(dev->mdev, &mr->mmkey, + err = mlx5_ib_create_mkey_cb(dev, &mr->mmkey, &dev->async_ctx, in, inlen, mr->out, sizeof(mr->out), - reg_mr_callback, &mr->cb_work); + &mr->cb_work); if (err) { spin_lock_irq(&ent->lock); ent->pending--; @@ -685,7 +722,6 @@ struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc) { struct mlx5_ib_dev *dev = to_mdev(pd->device); int inlen = MLX5_ST_SZ_BYTES(create_mkey_in); - struct mlx5_core_dev *mdev = dev->mdev; struct mlx5_ib_mr *mr; void *mkc; u32 *in; @@ -707,7 +743,7 @@ struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc) MLX5_SET(mkc, mkc, length64, 1); set_mkc_access_pd_addr_fields(mkc, acc, 0, pd); - err = mlx5_core_create_mkey(mdev, &mr->mmkey, in, inlen); + err = mlx5_ib_create_mkey(dev, &mr->mmkey, in, inlen); if (err) goto err_in; @@ -1097,7 +1133,7 @@ static struct mlx5_ib_mr *reg_create(struct ib_mr *ibmr, struct ib_pd *pd, get_octo_len(virt_addr, length, page_shift)); } - err = mlx5_core_create_mkey(dev->mdev, &mr->mmkey, in, inlen); + err = mlx5_ib_create_mkey(dev, &mr->mmkey, in, inlen); if (err) { mlx5_ib_warn(dev, "create mkey failed\n"); goto err_2; @@ -1137,7 +1173,6 @@ static struct ib_mr *mlx5_ib_get_dm_mr(struct ib_pd *pd, u64 start_addr, { struct mlx5_ib_dev *dev = to_mdev(pd->device); int inlen = MLX5_ST_SZ_BYTES(create_mkey_in); - struct mlx5_core_dev *mdev = dev->mdev; struct mlx5_ib_mr *mr; void *mkc; u32 *in; @@ -1160,7 +1195,7 @@ static struct ib_mr *mlx5_ib_get_dm_mr(struct ib_pd *pd, u64 start_addr, MLX5_SET64(mkc, mkc, len, length); set_mkc_access_pd_addr_fields(mkc, acc, start_addr, pd); - err = mlx5_core_create_mkey(mdev, &mr->mmkey, in, inlen); + err = mlx5_ib_create_mkey(dev, &mr->mmkey, in, inlen); if (err) goto err_in; @@ -1638,7 +1673,7 @@ static int _mlx5_alloc_mkey_descs(struct ib_pd *pd, struct mlx5_ib_mr *mr, mlx5_set_umr_free_mkey(pd, in, ndescs, access_mode, page_shift); - err = mlx5_core_create_mkey(dev->mdev, &mr->mmkey, in, inlen); + err = mlx5_ib_create_mkey(dev, &mr->mmkey, in, inlen); if (err) goto err_free_descs; @@ -1905,7 +1940,7 @@ struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, MLX5_SET(mkc, mkc, en_rinval, !!((type == IB_MW_TYPE_2))); MLX5_SET(mkc, mkc, qpn, 0xffffff); - err = mlx5_core_create_mkey(dev->mdev, &mw->mmkey, in, inlen); + err = mlx5_ib_create_mkey(dev, &mw->mmkey, in, inlen); if (err) goto free; |