Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757961AbXHKGbp (ORCPT ); Sat, 11 Aug 2007 02:31:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754240AbXHKGaL (ORCPT ); Sat, 11 Aug 2007 02:30:11 -0400 Received: from stargate.chelsio.com ([12.22.49.110]:19429 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755439AbXHKGaA (ORCPT ); Sat, 11 Aug 2007 02:30:00 -0400 From: Divy Le Ray Subject: [PATCH 5/13] cxgb3 - Expose HW memory page info To: jeff@garzik.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, swise@opengridcomputing.com Date: Fri, 10 Aug 2007 23:29:54 -0700 Message-ID: <20070811062954.8094.33064.stgit@speedy5> User-Agent: StGIT/0.12 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2922 Lines: 110 From: Divy Le Ray Let the RDMA driver get HW page info to work around HW issues. Assign explicit enum values. Signed-off-by: Divy Le Ray --- drivers/net/cxgb3/cxgb3_ctl_defs.h | 52 +++++++++++++++++++++--------------- drivers/net/cxgb3/cxgb3_offload.c | 7 +++++ 2 files changed, 38 insertions(+), 21 deletions(-) diff --git a/drivers/net/cxgb3/cxgb3_ctl_defs.h b/drivers/net/cxgb3/cxgb3_ctl_defs.h index 2095dda..6c4f320 100644 --- a/drivers/net/cxgb3/cxgb3_ctl_defs.h +++ b/drivers/net/cxgb3/cxgb3_ctl_defs.h @@ -33,27 +33,29 @@ #define _CXGB3_OFFLOAD_CTL_DEFS_H enum { - GET_MAX_OUTSTANDING_WR, - GET_TX_MAX_CHUNK, - GET_TID_RANGE, - GET_STID_RANGE, - GET_RTBL_RANGE, - GET_L2T_CAPACITY, - GET_MTUS, - GET_WR_LEN, - GET_IFF_FROM_MAC, - GET_DDP_PARAMS, - GET_PORTS, - - ULP_ISCSI_GET_PARAMS, - ULP_ISCSI_SET_PARAMS, - - RDMA_GET_PARAMS, - RDMA_CQ_OP, - RDMA_CQ_SETUP, - RDMA_CQ_DISABLE, - RDMA_CTRL_QP_SETUP, - RDMA_GET_MEM, + GET_MAX_OUTSTANDING_WR = 0, + GET_TX_MAX_CHUNK = 1, + GET_TID_RANGE = 2, + GET_STID_RANGE = 3, + GET_RTBL_RANGE = 4, + GET_L2T_CAPACITY = 5, + GET_MTUS = 6, + GET_WR_LEN = 7, + GET_IFF_FROM_MAC = 8, + GET_DDP_PARAMS = 9, + GET_PORTS = 10, + + ULP_ISCSI_GET_PARAMS = 11, + ULP_ISCSI_SET_PARAMS = 12, + + RDMA_GET_PARAMS = 13, + RDMA_CQ_OP = 14, + RDMA_CQ_SETUP = 15, + RDMA_CQ_DISABLE = 16, + RDMA_CTRL_QP_SETUP = 17, + RDMA_GET_MEM = 18, + + GET_RX_PAGE_INFO = 50, }; /* @@ -161,4 +163,12 @@ struct rdma_ctrlqp_setup { unsigned long long base_addr; unsigned int size; }; + +/* + * Offload TX/RX page information. + */ +struct ofld_page_info { + unsigned int page_size; /* Page size, should be a power of 2 */ + unsigned int num; /* Number of pages */ +}; #endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */ diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c index e620ed4..522c1be 100644 --- a/drivers/net/cxgb3/cxgb3_offload.c +++ b/drivers/net/cxgb3/cxgb3_offload.c @@ -317,6 +317,8 @@ static int cxgb_offload_ctl(struct t3cdev *tdev, unsigned int req, void *data) struct iff_mac *iffmacp; struct ddp_params *ddpp; struct adap_ports *ports; + struct ofld_page_info *rx_page_info; + struct tp_params *tp = &adapter->params.tp; int i; switch (req) { @@ -382,6 +384,11 @@ static int cxgb_offload_ctl(struct t3cdev *tdev, unsigned int req, void *data) if (!offload_running(adapter)) return -EAGAIN; return cxgb_rdma_ctl(adapter, req, data); + case GET_RX_PAGE_INFO: + rx_page_info = data; + rx_page_info->page_size = tp->rx_pg_size; + rx_page_info->num = tp->rx_num_pgs; + break; default: return -EOPNOTSUPP; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/