Use ib_alloc_mr with specific parameters.
Change the existing callers.
Signed-off-by: Sagi Grimberg <[email protected]>
---
drivers/infiniband/core/verbs.c | 20 ++++++++++++------
drivers/infiniband/hw/mlx5/main.c | 2 +-
drivers/infiniband/hw/mlx5/mlx5_ib.h | 6 ++++--
drivers/infiniband/hw/mlx5/mr.c | 21 ++++++++++++++-----
drivers/infiniband/ulp/iser/iser_verbs.c | 4 +---
drivers/infiniband/ulp/isert/ib_isert.c | 6 +-----
include/rdma/ib_verbs.h | 36 ++++++++++----------------------
7 files changed, 48 insertions(+), 47 deletions(-)
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 8197ce7..23d73bd 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1235,16 +1235,24 @@ int ib_dereg_mr(struct ib_mr *mr)
}
EXPORT_SYMBOL(ib_dereg_mr);
-struct ib_mr *ib_create_mr(struct ib_pd *pd,
- struct ib_mr_init_attr *mr_init_attr)
+/**
+ * ib_alloc_mr() - Allocates a memory region
+ * @pd: protection domain associated with the region
+ * @mr_type: memory region type
+ * @max_entries: maximum registration entries available
+ * @flags: create flags
+ */
+struct ib_mr *ib_alloc_mr(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_entries,
+ u32 flags)
{
struct ib_mr *mr;
- if (!pd->device->create_mr)
+ if (!pd->device->alloc_mr)
return ERR_PTR(-ENOSYS);
- mr = pd->device->create_mr(pd, mr_init_attr);
-
+ mr = pd->device->alloc_mr(pd, mr_type, max_entries, flags);
if (!IS_ERR(mr)) {
mr->device = pd->device;
mr->pd = pd;
@@ -1255,7 +1263,7 @@ struct ib_mr *ib_create_mr(struct ib_pd *pd,
return mr;
}
-EXPORT_SYMBOL(ib_create_mr);
+EXPORT_SYMBOL(ib_alloc_mr);
struct ib_mr *ib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len)
{
diff --git a/drivers/infiniband/hw/mlx5/main.c
b/drivers/infiniband/hw/mlx5/main.c
index 48f02da..82a371f 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1502,7 +1502,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach;
dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach;
dev->ib_dev.process_mad = mlx5_ib_process_mad;
- dev->ib_dev.create_mr = mlx5_ib_create_mr;
+ dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr;
dev->ib_dev.alloc_fast_reg_mr = mlx5_ib_alloc_fast_reg_mr;
dev->ib_dev.alloc_fast_reg_page_list = mlx5_ib_alloc_fast_reg_page_list;
dev->ib_dev.free_fast_reg_page_list = mlx5_ib_free_fast_reg_page_list;
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h
b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 29c74e9..cd6fb5d 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -573,8 +573,10 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64
start, u64 length,
int mlx5_ib_update_mtt(struct mlx5_ib_mr *mr, u64 start_page_index,
int npages, int zap);
int mlx5_ib_dereg_mr(struct ib_mr *ibmr);
-struct ib_mr *mlx5_ib_create_mr(struct ib_pd *pd,
- struct ib_mr_init_attr *mr_init_attr);
+struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_entries,
+ u32 flags);
struct ib_mr *mlx5_ib_alloc_fast_reg_mr(struct ib_pd *pd,
int max_page_list_len);
struct ib_fast_reg_page_list *mlx5_ib_alloc_fast_reg_page_list(struct
ib_device *ibdev,
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 3197c00..185c963 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1247,14 +1247,19 @@ int mlx5_ib_dereg_mr(struct ib_mr *ibmr)
return 0;
}
-struct ib_mr *mlx5_ib_create_mr(struct ib_pd *pd,
- struct ib_mr_init_attr *mr_init_attr)
+struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_entries,
+ u32 flags)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
struct mlx5_create_mkey_mbox_in *in;
struct mlx5_ib_mr *mr;
int access_mode, err;
- int ndescs = roundup(mr_init_attr->max_reg_descriptors, 4);
+ int ndescs = roundup(max_entries, 4);
+
+ if (flags)
+ return ERR_PTR(-EINVAL);
mr = kzalloc(sizeof(*mr), GFP_KERNEL);
if (!mr)
@@ -1270,9 +1275,11 @@ struct ib_mr *mlx5_ib_create_mr(struct ib_pd *pd,
in->seg.xlt_oct_size = cpu_to_be32(ndescs);
in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
in->seg.flags_pd = cpu_to_be32(to_mpd(pd)->pdn);
- access_mode = MLX5_ACCESS_MODE_MTT;
- if (mr_init_attr->flags & IB_MR_SIGNATURE_EN) {
+ if (mr_type == IB_MR_TYPE_FAST_REG) {
+ access_mode = MLX5_ACCESS_MODE_MTT;
+ in->seg.log2_page_size = PAGE_SHIFT;
+ } else if (mr_type == IB_MR_TYPE_SIGNATURE) {
u32 psv_index[2];
in->seg.flags_pd = cpu_to_be32(be32_to_cpu(in->seg.flags_pd) |
@@ -1298,6 +1305,10 @@ struct ib_mr *mlx5_ib_create_mr(struct ib_pd *pd,
mr->sig->sig_err_exists = false;
/* Next UMR, Arm SIGERR */
++mr->sig->sigerr_count;
+ } else {
+ mlx5_ib_warn(dev, "Invalid mr type %d\n", mr_type);
+ err = -EINVAL;
+ goto err_free_in;
}
in->seg.flags = MLX5_PERM_UMR_EN | access_mode;
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c
b/drivers/infiniband/ulp/iser/iser_verbs.c
index 7a5c49f..6be4d4a 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -326,8 +326,6 @@ iser_alloc_pi_ctx(struct ib_device *ib_device,
unsigned int size)
{
struct iser_pi_context *pi_ctx = NULL;
- struct ib_mr_init_attr mr_init_attr = {.max_reg_descriptors = 2,
- .flags = IB_MR_SIGNATURE_EN};
int ret;
desc->pi_ctx = kzalloc(sizeof(*desc->pi_ctx), GFP_KERNEL);
@@ -342,7 +340,7 @@ iser_alloc_pi_ctx(struct ib_device *ib_device,
goto alloc_reg_res_err;
}
- pi_ctx->sig_mr = ib_create_mr(pd, &mr_init_attr);
+ pi_ctx->sig_mr = ib_alloc_mr(pd, IB_MR_TYPE_SIGNATURE, 2, 0);
if (IS_ERR(pi_ctx->sig_mr)) {
ret = PTR_ERR(pi_ctx->sig_mr);
goto sig_mr_failure;
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c
b/drivers/infiniband/ulp/isert/ib_isert.c
index e59228d..f0b7c9b 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -508,7 +508,6 @@ isert_create_pi_ctx(struct fast_reg_descriptor *desc,
struct ib_device *device,
struct ib_pd *pd)
{
- struct ib_mr_init_attr mr_init_attr;
struct pi_context *pi_ctx;
int ret;
@@ -536,10 +535,7 @@ isert_create_pi_ctx(struct fast_reg_descriptor *desc,
}
desc->ind |= ISERT_PROT_KEY_VALID;
- memset(&mr_init_attr, 0, sizeof(mr_init_attr));
- mr_init_attr.max_reg_descriptors = 2;
- mr_init_attr.flags |= IB_MR_SIGNATURE_EN;
- pi_ctx->sig_mr = ib_create_mr(pd, &mr_init_attr);
+ pi_ctx->sig_mr = ib_alloc_mr(pd, IB_MR_TYPE_SIGNATURE, 2, 0);
if (IS_ERR(pi_ctx->sig_mr)) {
isert_err("Failed to allocate signature enabled mr err=%ld\n",
PTR_ERR(pi_ctx->sig_mr));
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 4468a64..5ec9a70 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -556,20 +556,9 @@ __attribute_const__ int ib_rate_to_mult(enum ib_rate rate);
*/
__attribute_const__ int ib_rate_to_mbps(enum ib_rate rate);
-enum ib_mr_create_flags {
- IB_MR_SIGNATURE_EN = 1,
-};
-
-/**
- * ib_mr_init_attr - Memory region init attributes passed to routine
- * ib_create_mr.
- * @max_reg_descriptors: max number of registration descriptors that
- * may be used with registration work requests.
- * @flags: MR creation flags bit mask.
- */
-struct ib_mr_init_attr {
- int max_reg_descriptors;
- u32 flags;
+enum ib_mr_type {
+ IB_MR_TYPE_FAST_REG,
+ IB_MR_TYPE_SIGNATURE,
};
/**
@@ -1668,8 +1657,10 @@ struct ib_device {
int (*query_mr)(struct ib_mr *mr,
struct ib_mr_attr *mr_attr);
int (*dereg_mr)(struct ib_mr *mr);
- struct ib_mr * (*create_mr)(struct ib_pd *pd,
- struct ib_mr_init_attr
*mr_init_attr);
+ struct ib_mr * (*alloc_mr)(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_entries,
+ u32 flags);
struct ib_mr * (*alloc_fast_reg_mr)(struct ib_pd *pd,
int max_page_list_len);
struct ib_fast_reg_page_list * (*alloc_fast_reg_page_list)(struct
ib_device *device,
@@ -2806,15 +2797,10 @@ int ib_query_mr(struct ib_mr *mr, struct ib_mr_attr
*mr_attr);
*/
int ib_dereg_mr(struct ib_mr *mr);
-
-/**
- * ib_create_mr - Allocates a memory region that may be used for
- * signature handover operations.
- * @pd: The protection domain associated with the region.
- * @mr_init_attr: memory region init attributes.
- */
-struct ib_mr *ib_create_mr(struct ib_pd *pd,
- struct ib_mr_init_attr *mr_init_attr);
+struct ib_mr *ib_alloc_mr(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_entries,
+ u32 flags);
/**
* ib_alloc_fast_reg_mr - Allocates memory region usable with the
--
1.8.4.3
--
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