From mboxrd@z Thu Jan 1 00:00:00 1970 From: Selvin Xavier Subject: [PATCH for bnxt_re V4 07/21] RDMA/bnxt_re: Support for query and modify device verbs Date: Wed, 21 Dec 2016 03:41:56 -0800 Message-ID: <1482320530-5344-8-git-send-email-selvin.xavier@broadcom.com> References: <1482320530-5344-1-git-send-email-selvin.xavier@broadcom.com> Return-path: In-Reply-To: <1482320530-5344-1-git-send-email-selvin.xavier@broadcom.com> Sender: netdev-owner@vger.kernel.org To: dledford@redhat.com, linux-rdma@vger.kernel.org Cc: netdev@vger.kernel.org, michael.chan@broadcom.com, Selvin Xavier , Eddie Wai , Devesh Sharma , Somnath Kotur , Sriharsha Basavapatna List-Id: linux-rdma@vger.kernel.org Implements the query device and modify device verbs v3: Fix sparse warnings related to endianness checks Signed-off-by: Eddie Wai Signed-off-by: Devesh Sharma Signed-off-by: Somnath Kotur Signed-off-by: Sriharsha Basavapatna Signed-off-by: Selvin Xavier --- drivers/infiniband/hw/bnxt_re/bnxt_re.h | 7 +++ drivers/infiniband/hw/bnxt_re/ib_verbs.c | 90 +++++++++++++++++++++++++++++++ drivers/infiniband/hw/bnxt_re/ib_verbs.h | 6 +++ drivers/infiniband/hw/bnxt_re/main.c | 2 + drivers/infiniband/hw/bnxt_re/qplib_res.c | 17 ++++++ drivers/infiniband/hw/bnxt_re/qplib_res.h | 1 + 6 files changed, 123 insertions(+) diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h index 8d2f42f..cac1173 100644 --- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h +++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h @@ -45,6 +45,13 @@ #define BNXT_RE_REF_WAIT_COUNT 10 #define BNXT_RE_DESC "Broadcom NetXtreme-C/E RoCE Driver" +#define BNXT_RE_PAGE_SIZE_4K BIT(12) +#define BNXT_RE_PAGE_SIZE_8K BIT(13) +#define BNXT_RE_PAGE_SIZE_64K BIT(16) +#define BNXT_RE_PAGE_SIZE_2M BIT(21) +#define BNXT_RE_PAGE_SIZE_8M BIT(23) +#define BNXT_RE_PAGE_SIZE_1G BIT(30) + #define BNXT_RE_MAX_QPC_COUNT (64 * 1024) #define BNXT_RE_MAX_MRW_COUNT (64 * 1024) #define BNXT_RE_MAX_SRQC_COUNT (64 * 1024) diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index fed80ed..3c964d7 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -60,6 +60,96 @@ #include "ib_verbs.h" #include +int bnxt_re_query_device(struct ib_device *ibdev, + struct ib_device_attr *ib_attr, + struct ib_udata *udata) +{ + struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev); + struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr; + + memset(ib_attr, 0, sizeof(*ib_attr)); + + ib_attr->fw_ver = (u64)(unsigned long)(dev_attr->fw_ver); + bnxt_qplib_get_guid(rdev->netdev->dev_addr, + (u8 *)&ib_attr->sys_image_guid); + ib_attr->max_mr_size = ~0ull; + ib_attr->page_size_cap = BNXT_RE_PAGE_SIZE_4K | BNXT_RE_PAGE_SIZE_8K | + BNXT_RE_PAGE_SIZE_64K | BNXT_RE_PAGE_SIZE_2M | + BNXT_RE_PAGE_SIZE_8M | BNXT_RE_PAGE_SIZE_1G; + + ib_attr->vendor_id = rdev->en_dev->pdev->vendor; + ib_attr->vendor_part_id = rdev->en_dev->pdev->device; + ib_attr->hw_ver = rdev->en_dev->pdev->subsystem_device; + ib_attr->max_qp = dev_attr->max_qp; + ib_attr->max_qp_wr = dev_attr->max_qp_wqes; + ib_attr->device_cap_flags = + IB_DEVICE_CURR_QP_STATE_MOD + | IB_DEVICE_RC_RNR_NAK_GEN + | IB_DEVICE_SHUTDOWN_PORT + | IB_DEVICE_SYS_IMAGE_GUID + | IB_DEVICE_LOCAL_DMA_LKEY + | IB_DEVICE_RESIZE_MAX_WR + | IB_DEVICE_PORT_ACTIVE_EVENT + | IB_DEVICE_N_NOTIFY_CQ + | IB_DEVICE_MEM_WINDOW + | IB_DEVICE_MEM_WINDOW_TYPE_2B + | IB_DEVICE_MEM_MGT_EXTENSIONS; + ib_attr->max_sge = dev_attr->max_qp_sges; + ib_attr->max_sge_rd = dev_attr->max_qp_sges; + ib_attr->max_cq = dev_attr->max_cq; + ib_attr->max_cqe = dev_attr->max_cq_wqes; + ib_attr->max_mr = dev_attr->max_mr; + ib_attr->max_pd = dev_attr->max_pd; + ib_attr->max_qp_rd_atom = dev_attr->max_qp_rd_atom; + ib_attr->max_qp_init_rd_atom = dev_attr->max_qp_rd_atom; + ib_attr->atomic_cap = IB_ATOMIC_HCA; + ib_attr->masked_atomic_cap = IB_ATOMIC_HCA; + + ib_attr->max_ee_rd_atom = 0; + ib_attr->max_res_rd_atom = 0; + ib_attr->max_ee_init_rd_atom = 0; + ib_attr->max_ee = 0; + ib_attr->max_rdd = 0; + ib_attr->max_mw = dev_attr->max_mw; + ib_attr->max_raw_ipv6_qp = 0; + ib_attr->max_raw_ethy_qp = dev_attr->max_raw_ethy_qp; + ib_attr->max_mcast_grp = 0; + ib_attr->max_mcast_qp_attach = 0; + ib_attr->max_total_mcast_qp_attach = 0; + ib_attr->max_ah = dev_attr->max_ah; + + ib_attr->max_fmr = dev_attr->max_fmr; + ib_attr->max_map_per_fmr = 1; /* ? */ + + ib_attr->max_srq = dev_attr->max_srq; + ib_attr->max_srq_wr = dev_attr->max_srq_wqes; + ib_attr->max_srq_sge = dev_attr->max_srq_sges; + + ib_attr->max_fast_reg_page_list_len = MAX_PBL_LVL_1_PGS; + + ib_attr->max_pkeys = 1; + ib_attr->local_ca_ack_delay = 0; + return 0; +} + +int bnxt_re_modify_device(struct ib_device *ibdev, + int device_modify_mask, + struct ib_device_modify *device_modify) +{ + switch (device_modify_mask) { + case IB_DEVICE_MODIFY_SYS_IMAGE_GUID: + /* Modify the GUID requires the modification of the GID table */ + /* GUID should be made as READ-ONLY */ + break; + case IB_DEVICE_MODIFY_NODE_DESC: + /* Node Desc should be made as READ-ONLY */ + break; + default: + break; + } + return 0; +} + /* Protection Domains */ int bnxt_re_dealloc_pd(struct ib_pd *ib_pd) { diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h index a133d81..45f9253 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h @@ -54,6 +54,12 @@ struct bnxt_re_ucontext { spinlock_t sh_lock; /* protect shpg */ }; +int bnxt_re_query_device(struct ib_device *ibdev, + struct ib_device_attr *ib_attr, + struct ib_udata *udata); +int bnxt_re_modify_device(struct ib_device *ibdev, + int device_modify_mask, + struct ib_device_modify *device_modify); struct ib_pd *bnxt_re_alloc_pd(struct ib_device *ibdev, struct ib_ucontext *context, struct ib_udata *udata); diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 6f07657..038279b 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -436,6 +436,8 @@ static int bnxt_re_register_ib(struct bnxt_re_dev *rdev) ibdev->num_comp_vectors = 1; ibdev->dma_device = &rdev->en_dev->pdev->dev; + ibdev->query_device = bnxt_re_query_device; + ibdev->modify_device = bnxt_re_modify_device; ibdev->alloc_pd = bnxt_re_alloc_pd; ibdev->dealloc_pd = bnxt_re_dealloc_pd; ibdev->alloc_ucontext = bnxt_re_alloc_ucontext; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 1648b45..3e85a22 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -445,6 +445,23 @@ int bnxt_qplib_alloc_ctx(struct pci_dev *pdev, return rc; } +/* GUID */ +void bnxt_qplib_get_guid(u8 *dev_addr, u8 *guid) +{ + u8 mac[ETH_ALEN]; + + /* MAC-48 to EUI-64 mapping */ + memcpy(mac, dev_addr, ETH_ALEN); + guid[0] = mac[0] ^ 2; + guid[1] = mac[1]; + guid[2] = mac[2]; + guid[3] = 0xff; + guid[4] = 0xfe; + guid[5] = mac[3]; + guid[6] = mac[4]; + guid[7] = mac[5]; +} + static void bnxt_qplib_free_sgid_tbl(struct bnxt_qplib_res *res, struct bnxt_qplib_sgid_tbl *sgid_tbl) { diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index c9e376a..fc9c38c 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -194,6 +194,7 @@ int bnxt_qplib_alloc_init_hwq(struct pci_dev *pdev, struct bnxt_qplib_hwq *hwq, struct scatterlist *sl, int nmap, u32 *elements, u32 elements_per_page, u32 aux, u32 pg_size, enum bnxt_qplib_hwq_type hwq_type); +void bnxt_qplib_get_guid(u8 *dev_addr, u8 *guid); int bnxt_qplib_alloc_pd(struct bnxt_qplib_pd_tbl *pd_tbl, struct bnxt_qplib_pd *pd); int bnxt_qplib_dealloc_pd(struct bnxt_qplib_res *res, -- 2.5.5