From 99c13a3e29653badefd9ca36f62dfa84db504f1c Mon Sep 17 00:00:00 2001 From: Bob Pearson Date: Thu, 7 Oct 2021 15:40:48 -0500 Subject: [PATCH] RDMA/rxe: Change AH objects to indexed Make changes to rxe_param.h and rxe_pool.c to allow indexing of AH objects. Valid indices are non-zero so older providers can be detected. Link: https://lore.kernel.org/r/20211007204051.10086-3-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson Signed-off-by: Jason Gunthorpe --- drivers/infiniband/sw/rxe/rxe_param.h | 4 +++- drivers/infiniband/sw/rxe/rxe_pool.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h index aeffaef..918270e 100644 --- a/drivers/infiniband/sw/rxe/rxe_param.h +++ b/drivers/infiniband/sw/rxe/rxe_param.h @@ -69,7 +69,9 @@ enum rxe_device_param { RXE_MAX_MCAST_GRP = 8192, RXE_MAX_MCAST_QP_ATTACH = 56, RXE_MAX_TOT_MCAST_QP_ATTACH = 0x70000, - RXE_MAX_AH = DEFAULT_MAX_VALUE, + RXE_MAX_AH = (1<<15) - 1, /* 32Ki - 1 */ + RXE_MIN_AH_INDEX = 1, + RXE_MAX_AH_INDEX = RXE_MAX_AH, RXE_MAX_SRQ_WR = DEFAULT_MAX_VALUE, RXE_MIN_SRQ_WR = 1, RXE_MAX_SRQ_SGE = 27, diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c index ffa8420..7b4cb46 100644 --- a/drivers/infiniband/sw/rxe/rxe_pool.c +++ b/drivers/infiniband/sw/rxe/rxe_pool.c @@ -26,7 +26,9 @@ struct rxe_type_info rxe_type_info[RXE_NUM_TYPES] = { .name = "rxe-ah", .size = sizeof(struct rxe_ah), .elem_offset = offsetof(struct rxe_ah, pelem), - .flags = RXE_POOL_NO_ALLOC, + .flags = RXE_POOL_INDEX | RXE_POOL_NO_ALLOC, + .min_index = RXE_MIN_AH_INDEX, + .max_index = RXE_MAX_AH_INDEX, }, [RXE_TYPE_SRQ] = { .name = "rxe-srq", -- 2.7.4