aboutsummaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/bnxt_re/ib_verbs.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/ib_verbs.h')
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
index 31f7e34040f7..32d9e9d09791 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
@@ -60,6 +60,8 @@ struct bnxt_re_pd {
struct bnxt_re_dev *rdev;
struct bnxt_qplib_pd qplib_pd;
struct bnxt_re_fence_data fence;
+ struct rdma_user_mmap_entry *pd_db_mmap;
+ struct rdma_user_mmap_entry *pd_wcdb_mmap;
};
struct bnxt_re_ah {
@@ -134,8 +136,23 @@ struct bnxt_re_ucontext {
struct ib_ucontext ib_uctx;
struct bnxt_re_dev *rdev;
struct bnxt_qplib_dpi dpi;
+ struct bnxt_qplib_dpi wcdpi;
void *shpg;
spinlock_t sh_lock; /* protect shpg */
+ struct rdma_user_mmap_entry *shpage_mmap;
+};
+
+enum bnxt_re_mmap_flag {
+ BNXT_RE_MMAP_SH_PAGE,
+ BNXT_RE_MMAP_UC_DB,
+ BNXT_RE_MMAP_WC_DB,
+};
+
+struct bnxt_re_user_mmap_entry {
+ struct rdma_user_mmap_entry rdma_entry;
+ struct bnxt_re_ucontext *uctx;
+ u64 mem_offset;
+ u8 mmap_flag;
};
static inline u16 bnxt_re_get_swqe_size(int nsge)
@@ -213,6 +230,8 @@ struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata);
void bnxt_re_dealloc_ucontext(struct ib_ucontext *context);
int bnxt_re_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
+void bnxt_re_mmap_free(struct rdma_user_mmap_entry *rdma_entry);
+
unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp);
void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp, unsigned long flags);