aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/mlx5/mlx5_ib.h
diff options
context:
space:
mode:
authorJason Gunthorpe <jgg@nvidia.com>2021-10-19 14:09:25 -0300
committerJason Gunthorpe <jgg@nvidia.com>2021-10-19 14:09:25 -0300
commit71ee1f1275432421307d27dd4df43f33e60456de (patch)
treea69e771c98ca332d0872612b61413b7fbd9e2765 /drivers/infiniband/hw/mlx5/mlx5_ib.h
parentRDMA/core: Set sgtable nents when using ib_dma_virt_map_sg() (diff)
parentRDMA/mlx5: Attach ndescs to mlx5_ib_mkey (diff)
downloadlinux-dev-71ee1f1275432421307d27dd4df43f33e60456de.tar.xz
linux-dev-71ee1f1275432421307d27dd4df43f33e60456de.zip
Merge brank 'mlx5_mkey' into rdma.git for-next
A small series to clean up the mlx5 mkey code across the mlx5_core and InfiniBand. * branch 'mlx5_mkey': RDMA/mlx5: Attach ndescs to mlx5_ib_mkey RDMA/mlx5: Move struct mlx5_core_mkey to mlx5_ib RDMA/mlx5: Replace struct mlx5_core_mkey by u32 key RDMA/mlx5: Remove pd from struct mlx5_core_mkey RDMA/mlx5: Remove size from struct mlx5_core_mkey RDMA/mlx5: Remove iova from struct mlx5_core_mkey Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mlx5_ib.h')
-rw-r--r--drivers/infiniband/hw/mlx5/mlx5_ib.h31
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index cf8b0653f0ce..e636e954f6bf 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -628,6 +628,20 @@ struct mlx5_user_mmap_entry {
u32 page_idx;
};
+enum mlx5_mkey_type {
+ MLX5_MKEY_MR = 1,
+ MLX5_MKEY_MW,
+ MLX5_MKEY_INDIRECT_DEVX,
+};
+
+struct mlx5_ib_mkey {
+ u32 key;
+ enum mlx5_mkey_type type;
+ unsigned int ndescs;
+ struct wait_queue_head wait;
+ refcount_t usecount;
+};
+
#define MLX5_IB_MTT_PRESENT (MLX5_IB_MTT_READ | MLX5_IB_MTT_WRITE)
#define MLX5_IB_DM_MEMIC_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\
@@ -646,7 +660,7 @@ struct mlx5_user_mmap_entry {
struct mlx5_ib_mr {
struct ib_mr ibmr;
- struct mlx5_core_mkey mmkey;
+ struct mlx5_ib_mkey mmkey;
/* User MR data */
struct mlx5_cache_ent *cache_ent;
@@ -668,7 +682,6 @@ struct mlx5_ib_mr {
void *descs_alloc;
dma_addr_t desc_map;
int max_descs;
- int ndescs;
int desc_size;
int access_mode;
@@ -722,13 +735,7 @@ static inline bool is_dmabuf_mr(struct mlx5_ib_mr *mr)
struct mlx5_ib_mw {
struct ib_mw ibmw;
- struct mlx5_core_mkey mmkey;
- int ndescs;
-};
-
-struct mlx5_ib_devx_mr {
- struct mlx5_core_mkey mmkey;
- int ndescs;
+ struct mlx5_ib_mkey mmkey;
};
struct mlx5_ib_umr_context {
@@ -1605,7 +1612,7 @@ static inline bool mlx5_ib_can_reconfig_with_umr(struct mlx5_ib_dev *dev,
}
static inline int mlx5r_store_odp_mkey(struct mlx5_ib_dev *dev,
- struct mlx5_core_mkey *mmkey)
+ struct mlx5_ib_mkey *mmkey)
{
refcount_set(&mmkey->usecount, 1);
@@ -1614,14 +1621,14 @@ static inline int mlx5r_store_odp_mkey(struct mlx5_ib_dev *dev,
}
/* deref an mkey that can participate in ODP flow */
-static inline void mlx5r_deref_odp_mkey(struct mlx5_core_mkey *mmkey)
+static inline void mlx5r_deref_odp_mkey(struct mlx5_ib_mkey *mmkey)
{
if (refcount_dec_and_test(&mmkey->usecount))
wake_up(&mmkey->wait);
}
/* deref an mkey that can participate in ODP flow and wait for relese */
-static inline void mlx5r_deref_wait_odp_mkey(struct mlx5_core_mkey *mmkey)
+static inline void mlx5r_deref_wait_odp_mkey(struct mlx5_ib_mkey *mmkey)
{
mlx5r_deref_odp_mkey(mmkey);
wait_event(mmkey->wait, refcount_read(&mmkey->usecount) == 0);