Set max_mw device attribute.
Changed rxe_param.c so we can create mw objects (RXE_MAX_MW != 0).
Changed mw_pool.c to use struct rxe_mw size for the mw pool.
Added new mw struct to rxe_verbs.h. Can share state enum with mr.
Signed-off-by: Bob Pearson <rpearson@xxxxxxx>
---
drivers/infiniband/sw/rxe/rxe.c | 1 +
drivers/infiniband/sw/rxe/rxe_param.h | 10 ++++++----
drivers/infiniband/sw/rxe/rxe_pool.c | 2 +-
drivers/infiniband/sw/rxe/rxe_verbs.h | 13 +++++++++++++
4 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index 6c2100c71874..10f441ac7203 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -54,6 +54,7 @@ static void rxe_init_device_param(struct rxe_dev *rxe)
rxe->attr.max_cq = RXE_MAX_CQ;
rxe->attr.max_cqe = (1 << RXE_MAX_LOG_CQE) - 1;
rxe->attr.max_mr = RXE_MAX_MR;
+ rxe->attr.max_mw = RXE_MAX_MW;
rxe->attr.max_pd = RXE_MAX_PD;
rxe->attr.max_qp_rd_atom = RXE_MAX_QP_RD_ATOM;
rxe->attr.max_res_rd_atom = RXE_MAX_RES_RD_ATOM;
diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h
index 96516e251bc1..e1d485bdd6af 100644
--- a/drivers/infiniband/sw/rxe/rxe_param.h
+++ b/drivers/infiniband/sw/rxe/rxe_param.h
@@ -60,7 +60,8 @@ enum rxe_device_param {
RXE_MAX_SGE_RD = 32,
RXE_MAX_CQ = 16384,
RXE_MAX_LOG_CQE = 15,
- RXE_MAX_MR = 256 * 1024,
+ RXE_MAX_MR = 0x40000,
+ RXE_MAX_MW = 0x40000,
RXE_MAX_PD = 0x7ffc,
RXE_MAX_QP_RD_ATOM = 128,
RXE_MAX_RES_RD_ATOM = 0x3f000,
@@ -89,9 +90,10 @@ enum rxe_device_param {
RXE_MAX_SRQ_INDEX = 0x00040000,
RXE_MIN_MR_INDEX = 0x00000001,
- RXE_MAX_MR_INDEX = 0x00040000,
- RXE_MIN_MW_INDEX = 0x00040001,
- RXE_MAX_MW_INDEX = 0x00060000,
+ RXE_MAX_MR_INDEX = RXE_MIN_MR_INDEX + RXE_MAX_MR - 1,
+ RXE_MIN_MW_INDEX = RXE_MIN_MR_INDEX + RXE_MAX_MR,
+ RXE_MAX_MW_INDEX = RXE_MIN_MW_INDEX + RXE_MAX_MW - 1,
+
RXE_MAX_PKT_PER_ACK = 64,
RXE_MAX_UNACKED_PSNS = 128,
diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c
index fe652ce488f3..ad6f50e8b57a 100644
--- a/drivers/infiniband/sw/rxe/rxe_pool.c
+++ b/drivers/infiniband/sw/rxe/rxe_pool.c
@@ -60,7 +60,7 @@ struct rxe_type_info rxe_type_info[RXE_NUM_TYPES] = {
},
[RXE_TYPE_MW] = {
.name = "rxe-mw",
- .size = sizeof(struct rxe_mr),
+ .size = sizeof(struct rxe_mw),
.flags = RXE_POOL_INDEX,
.max_index = RXE_MAX_MW_INDEX,
.min_index = RXE_MIN_MW_INDEX,
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index c866fc5a80d6..44da74a41ccb 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -264,6 +264,7 @@ struct rxe_qp {
struct execute_work cleanup_work;
};
+/* common state values for mr and mw */
enum rxe_mem_state {
RXE_MEM_STATE_ZOMBIE,
RXE_MEM_STATE_INVALID,
@@ -321,6 +322,18 @@ struct rxe_mr {
struct rxe_map **map;
};
+struct rxe_mw {
+ struct rxe_pool_entry pelem;
+ struct ib_mw ibmw;
+ struct rxe_qp *qp; /* type 2B only */
+ struct rxe_mr *mr;
+ spinlock_t lock;
+ enum rxe_mem_state state;
+ u32 access;
+ u64 addr;
+ u64 length;
+};
+
struct rxe_mc_grp {
struct rxe_pool_entry pelem;
spinlock_t mcg_lock; /* guard group */
--
2.25.1
