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path: root/drivers/infiniband/sw/rxe/rxe_verbs.h
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Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_verbs.h')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.h53
1 files changed, 46 insertions, 7 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index 11eba7a3ba8f..959a3260fcab 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -77,6 +77,7 @@ enum wqe_state {
};
struct rxe_sq {
+ bool is_user;
int max_wr;
int max_sge;
int max_inline;
@@ -85,6 +86,7 @@ struct rxe_sq {
};
struct rxe_rq {
+ bool is_user;
int max_wr;
int max_sge;
spinlock_t producer_lock; /* guard queue producer */
@@ -98,6 +100,7 @@ struct rxe_srq {
struct rxe_pd *pd;
struct rxe_rq rq;
u32 srq_num;
+ bool is_user;
int limit;
int error;
@@ -183,6 +186,7 @@ struct rxe_resp_info {
/* RDMA read / atomic only */
u64 va;
+ u64 offset;
struct rxe_mr *mr;
u32 resid;
u32 rkey;
@@ -211,7 +215,7 @@ struct rxe_qp {
struct ib_qp_attr attr;
unsigned int valid;
unsigned int mtu;
- int is_user;
+ bool is_user;
struct rxe_pd *pd;
struct rxe_srq *srq;
@@ -273,7 +277,16 @@ enum rxe_mr_type {
RXE_MR_TYPE_NONE,
RXE_MR_TYPE_DMA,
RXE_MR_TYPE_MR,
- RXE_MR_TYPE_MW,
+};
+
+enum rxe_mr_copy_dir {
+ RXE_TO_MR_OBJ,
+ RXE_FROM_MR_OBJ,
+};
+
+enum rxe_mr_lookup_type {
+ RXE_LOOKUP_LOCAL,
+ RXE_LOOKUP_REMOTE,
};
#define RXE_BUF_PER_MAP (PAGE_SIZE / sizeof(struct rxe_phys_buf))
@@ -287,6 +300,13 @@ struct rxe_map {
struct rxe_phys_buf buf[RXE_BUF_PER_MAP];
};
+static inline int rkey_is_mw(u32 rkey)
+{
+ u32 index = rkey >> 8;
+
+ return (index >= RXE_MIN_MW_INDEX) && (index <= RXE_MAX_MW_INDEX);
+}
+
struct rxe_mr {
struct rxe_pool_entry pelem;
struct ib_mr ibmr;
@@ -312,18 +332,27 @@ struct rxe_mr {
u32 max_buf;
u32 num_map;
+ atomic_t num_mw;
+
struct rxe_map **map;
};
enum rxe_mw_state {
- RXE_MW_STATE_INVALID = RXE_MR_STATE_INVALID,
- RXE_MW_STATE_FREE = RXE_MR_STATE_FREE,
- RXE_MW_STATE_VALID = RXE_MR_STATE_VALID,
+ RXE_MW_STATE_INVALID = RXE_MR_STATE_INVALID,
+ RXE_MW_STATE_FREE = RXE_MR_STATE_FREE,
+ RXE_MW_STATE_VALID = RXE_MR_STATE_VALID,
};
struct rxe_mw {
- struct ib_mw ibmw;
- struct rxe_pool_entry pelem;
+ struct ib_mw ibmw;
+ struct rxe_pool_entry pelem;
+ spinlock_t lock;
+ enum rxe_mw_state state;
+ struct rxe_qp *qp; /* Type 2 only */
+ struct rxe_mr *mr;
+ int access;
+ u64 addr;
+ u64 length;
};
struct rxe_mc_grp {
@@ -455,6 +484,16 @@ static inline u32 mr_rkey(struct rxe_mr *mr)
return mr->ibmr.rkey;
}
+static inline struct rxe_pd *rxe_mw_pd(struct rxe_mw *mw)
+{
+ return to_rpd(mw->ibmw.pd);
+}
+
+static inline u32 rxe_mw_rkey(struct rxe_mw *mw)
+{
+ return mw->ibmw.rkey;
+}
+
int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name);
void rxe_mc_cleanup(struct rxe_pool_entry *arg);