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[2603:8081:140c:1a00:d50d:298a:8dc:a5ed]) by smtp.gmail.com with ESMTPSA id s19sm1105787ooj.7.2021.07.22.14.23.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jul 2021 14:23:38 -0700 (PDT) From: Bob Pearson To: jgg@nvidia.com, zyjzyj2000@gmail.com, linux-rdma@vger.kernel.org Cc: Bob Pearson Subject: [PATCH v3 2/6] RDMA/rxe: Change AH objects to indexed Date: Thu, 22 Jul 2021 16:22:41 -0500 Message-Id: <20210722212244.412157-3-rpearsonhpe@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210722212244.412157-1-rpearsonhpe@gmail.com> References: <20210722212244.412157-1-rpearsonhpe@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org 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. Signed-off-by: Bob Pearson --- 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 742e6ec93686..ec5c6331bee8 100644 --- a/drivers/infiniband/sw/rxe/rxe_param.h +++ b/drivers/infiniband/sw/rxe/rxe_param.h @@ -67,7 +67,9 @@ 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 = 100, + RXE_MAX_AH = 16383, + RXE_MIN_AH_INDEX = 1, + RXE_MAX_AH_INDEX = 16383, RXE_MAX_SRQ_WR = 0x4000, 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 0b8e7c6255a2..342f090152d1 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", -- 2.30.2