Implement query_device verb and add a "devinfo" example.
Signed-off-by: Roland Dreier <roland@topspin.com>
$(libibverbs_version_script)
src_libibverbs_la_DEPENDENCIES = $(srcdir)/src/libibverbs.map
-bin_PROGRAMS = examples/ibv_devices examples/ibv_asyncwatch \
- examples/ibv_pingpong examples/ibv_ud_pingpong
+bin_PROGRAMS = examples/ibv_devices examples/ibv_devinfo \
+ examples/ibv_asyncwatch examples/ibv_pingpong examples/ibv_ud_pingpong
examples_ibv_devices_SOURCES = examples/device_list.c
examples_ibv_devices_LDADD = $(top_builddir)/src/libibverbs.la
+examples_ibv_devinfo_SOURCES = examples/devinfo.c
+examples_ibv_devinfo_LDADD = $(top_builddir)/src/libibverbs.la
examples_ibv_pingpong_SOURCES = examples/pingpong.c
examples_ibv_pingpong_LDADD = $(top_builddir)/src/libibverbs.la
examples_ibv_ud_pingpong_SOURCES = examples/ud-pingpong.c
+Introduction
+------------
+
+The libibverbs
+
+Reporting bugs
+--------------
+
+Submitting patches
+------------------
+
+TODO
+----
+
--- /dev/null
+/*
+ * Copyright (c) 2005 Cisco Systems. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <endian.h>
+#include <byteswap.h>
+
+#include <infiniband/verbs.h>
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+static inline uint64_t be64_to_cpu(uint64_t x) { return bswap_64(x); }
+#elif __BYTE_ORDER == __BIG_ENDIAN
+static inline uint64_t be64_to_cpu(uint64_t x) { return x; }
+#endif
+
+int main(int argc, char *argv[])
+{
+ struct dlist *dev_list;
+ struct ibv_device *ib_dev;
+ struct ibv_context *context;
+ struct ibv_device_attr attr;
+
+ dev_list = ibv_get_devices();
+
+ dlist_start(dev_list);
+ ib_dev = dlist_next(dev_list);
+
+ if (!ib_dev) {
+ fprintf(stderr, "No IB devices found\n");
+ return 1;
+ }
+
+ context = ibv_open_device(ib_dev);
+ if (!context) {
+ fprintf(stderr, "Couldn't get context for %s\n",
+ ibv_get_device_name(ib_dev));
+ return 1;
+ }
+
+ if (ibv_query_device(context, &attr)) {
+ fprintf(stderr, "Couldn't query device for %s\n",
+ ibv_get_device_name(ib_dev));
+ return 1;
+ }
+
+ printf("%s properties:\n", ibv_get_device_name(ib_dev));
+ printf("\tNum ports:\t%d\n", attr.phys_port_cnt);
+ printf("\tNode GUID:\t%016llx\n", be64_to_cpu(attr.node_guid));
+ printf("\tMax QPs:\t%d\n", attr.max_qp);
+ printf("\tMax CQs:\t%d\n", attr.max_cq);
+ printf("\tMax PDs:\t%d\n", attr.max_pd);
+ printf("\tMax AHs:\t%d\n", attr.max_ah);
+
+ return 0;
+}
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Cisco Systems. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
extern int ibv_cmd_get_context(int num_comp, struct ibv_context *context,
struct ibv_get_context *cmd, size_t cmd_size);
+extern int ibv_cmd_query_device(struct ibv_context *context,
+ struct ibv_device_attr *device_attr,
+ struct ibv_query_device *cmd, size_t cmd_size);
extern int ibv_cmd_query_port(struct ibv_context *context, uint8_t port_num,
struct ibv_port_attr *port_attr,
struct ibv_query_port *cmd, size_t cmd_size);
/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Cisco Systems. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
__u32 cq_fd[1];
};
+struct ibv_query_device {
+ __u32 command;
+ __u16 in_words;
+ __u16 out_words;
+ __u64 response;
+ __u64 driver_data[0];
+};
+
+struct ibv_query_device_resp {
+ __u64 fw_ver;
+ __u64 node_guid;
+ __u64 sys_image_guid;
+ __u64 max_mr_size;
+ __u64 page_size_cap;
+ __u32 vendor_id;
+ __u32 vendor_part_id;
+ __u32 hw_ver;
+ __u32 max_qp;
+ __u32 max_qp_wr;
+ __u32 device_cap_flags;
+ __u32 max_sge;
+ __u32 max_sge_rd;
+ __u32 max_cq;
+ __u32 max_cqe;
+ __u32 max_mr;
+ __u32 max_pd;
+ __u32 max_qp_rd_atom;
+ __u32 max_ee_rd_atom;
+ __u32 max_res_rd_atom;
+ __u32 max_qp_init_rd_atom;
+ __u32 max_ee_init_rd_atom;
+ __u32 atomic_cap;
+ __u32 max_ee;
+ __u32 max_rdd;
+ __u32 max_mw;
+ __u32 max_raw_ipv6_qp;
+ __u32 max_raw_ethy_qp;
+ __u32 max_mcast_grp;
+ __u32 max_mcast_qp_attach;
+ __u32 max_total_mcast_qp_attach;
+ __u32 max_ah;
+ __u32 max_fmr;
+ __u32 max_map_per_fmr;
+ __u32 max_srq;
+ __u32 max_srq_wr;
+ __u32 max_srq_sge;
+ __u16 max_pkeys;
+ __u8 local_ca_ack_delay;
+ __u8 phys_port_cnt;
+ __u8 reserved[4];
+};
+
struct ibv_query_port {
__u32 command;
__u16 in_words;
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2004 Intel Corporation. All rights reserved.
+ * Copyright (c) 2005 Cisco Systems. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
} global;
};
+enum ibv_node_type {
+ IBV_NODE_CA = 1,
+ IBV_NODE_SWITCH,
+ IBV_NODE_ROUTER
+};
+
+enum ibv_device_cap_flags {
+ IBV_DEVICE_RESIZE_MAX_WR = 1,
+ IBV_DEVICE_BAD_PKEY_CNTR = 1 << 1,
+ IBV_DEVICE_BAD_QKEY_CNTR = 1 << 2,
+ IBV_DEVICE_RAW_MULTI = 1 << 3,
+ IBV_DEVICE_AUTO_PATH_MIG = 1 << 4,
+ IBV_DEVICE_CHANGE_PHY_PORT = 1 << 5,
+ IBV_DEVICE_UD_AV_PORT_ENFORCE = 1 << 6,
+ IBV_DEVICE_CURR_QP_STATE_MOD = 1 << 7,
+ IBV_DEVICE_SHUTDOWN_PORT = 1 << 8,
+ IBV_DEVICE_INIT_TYPE = 1 << 9,
+ IBV_DEVICE_PORT_ACTIVE_EVENT = 1 << 10,
+ IBV_DEVICE_SYS_IMAGE_GUID = 1 << 11,
+ IBV_DEVICE_RC_RNR_NAK_GEN = 1 << 12,
+ IBV_DEVICE_SRQ_RESIZE = 1 << 13,
+ IBV_DEVICE_N_NOTIFY_CQ = 1 << 14,
+};
+
+enum ibv_atomic_cap {
+ IBV_ATOMIC_NONE,
+ IBV_ATOMIC_HCA,
+ IBV_ATOMIC_GLOB
+};
+
+struct ibv_device_attr {
+ uint64_t fw_ver;
+ uint64_t node_guid;
+ uint64_t sys_image_guid;
+ uint64_t max_mr_size;
+ uint64_t page_size_cap;
+ uint32_t vendor_id;
+ uint32_t vendor_part_id;
+ uint32_t hw_ver;
+ int max_qp;
+ int max_qp_wr;
+ int device_cap_flags;
+ int max_sge;
+ int max_sge_rd;
+ int max_cq;
+ int max_cqe;
+ int max_mr;
+ int max_pd;
+ int max_qp_rd_atom;
+ int max_ee_rd_atom;
+ int max_res_rd_atom;
+ int max_qp_init_rd_atom;
+ int max_ee_init_rd_atom;
+ enum ibv_atomic_cap atomic_cap;
+ int max_ee;
+ int max_rdd;
+ int max_mw;
+ int max_raw_ipv6_qp;
+ int max_raw_ethy_qp;
+ int max_mcast_grp;
+ int max_mcast_qp_attach;
+ int max_total_mcast_qp_attach;
+ int max_ah;
+ int max_fmr;
+ int max_map_per_fmr;
+ int max_srq;
+ int max_srq_wr;
+ int max_srq_sge;
+ uint16_t max_pkeys;
+ uint8_t local_ca_ack_delay;
+ uint8_t phys_port_cnt;
+};
+
enum ibv_mtu {
IBV_MTU_256 = 1,
IBV_MTU_512 = 2,
};
struct ibv_context_ops {
+ int (*query_device)(struct ibv_context *context,
+ struct ibv_device_attr *device_attr);
int (*query_port)(struct ibv_context *context, uint8_t port_num,
struct ibv_port_attr *port_attr);
int (*query_gid)(struct ibv_context *context, uint8_t port_num,
extern int ibv_get_async_event(struct ibv_context *context,
struct ibv_async_event *event);
+/**
+ * ibv_query_device - Get device properties
+ */
+extern int ibv_query_device(struct ibv_context *context,
+ struct ibv_device_attr *device_attr);
+
/**
* ibv_query_port - Get port properties
*/
return 0;
}
+int ibv_cmd_query_device(struct ibv_context *context,
+ struct ibv_device_attr *device_attr,
+ struct ibv_query_device *cmd, size_t cmd_size)
+{
+ struct ibv_query_device_resp resp;
+
+ IBV_INIT_CMD_RESP(cmd, cmd_size, QUERY_DEVICE, &resp);
+
+ if (write(context->cmd_fd, cmd, cmd_size) != cmd_size)
+ return errno;
+
+ device_attr->fw_ver = resp.fw_ver;
+ device_attr->node_guid = resp.node_guid;
+ device_attr->sys_image_guid = resp.sys_image_guid;
+ device_attr->max_mr_size = resp.max_mr_size;
+ device_attr->page_size_cap = resp.page_size_cap;
+ device_attr->vendor_id = resp.vendor_id;
+ device_attr->vendor_part_id = resp.vendor_part_id;
+ device_attr->hw_ver = resp.hw_ver;
+ device_attr->max_qp = resp.max_qp;
+ device_attr->max_qp_wr = resp.max_qp_wr;
+ device_attr->device_cap_flags = resp.device_cap_flags;
+ device_attr->max_sge = resp.max_sge;
+ device_attr->max_sge_rd = resp.max_sge_rd;
+ device_attr->max_cq = resp.max_cq;
+ device_attr->max_cqe = resp.max_cqe;
+ device_attr->max_mr = resp.max_mr;
+ device_attr->max_pd = resp.max_pd;
+ device_attr->max_qp_rd_atom = resp.max_qp_rd_atom;
+ device_attr->max_ee_rd_atom = resp.max_ee_rd_atom;
+ device_attr->max_res_rd_atom = resp.max_res_rd_atom;
+ device_attr->max_qp_init_rd_atom = resp.max_qp_init_rd_atom;
+ device_attr->max_ee_init_rd_atom = resp.max_ee_init_rd_atom;
+ device_attr->atomic_cap = resp.atomic_cap;
+ device_attr->max_ee = resp.max_ee;
+ device_attr->max_rdd = resp.max_rdd;
+ device_attr->max_mw = resp.max_mw;
+ device_attr->max_raw_ipv6_qp = resp.max_raw_ipv6_qp;
+ device_attr->max_raw_ethy_qp = resp.max_raw_ethy_qp;
+ device_attr->max_mcast_grp = resp.max_mcast_grp;
+ device_attr->max_mcast_qp_attach = resp.max_mcast_qp_attach;
+ device_attr->max_total_mcast_qp_attach = resp.max_total_mcast_qp_attach;
+ device_attr->max_ah = resp.max_ah;
+ device_attr->max_fmr = resp.max_fmr;
+ device_attr->max_map_per_fmr = resp.max_map_per_fmr;
+ device_attr->max_srq = resp.max_srq;
+ device_attr->max_srq_wr = resp.max_srq_wr;
+ device_attr->max_srq_sge = resp.max_srq_sge;
+ device_attr->max_pkeys = resp.max_pkeys;
+ device_attr->local_ca_ack_delay = resp.local_ca_ack_delay;
+ device_attr->phys_port_cnt = resp.phys_port_cnt;
+
+ return 0;
+}
+
int ibv_cmd_query_port(struct ibv_context *context, uint8_t port_num,
struct ibv_port_attr *port_attr,
struct ibv_query_port *cmd, size_t cmd_size)
ibv_open_device;
ibv_close_device;
ibv_get_async_event;
+ ibv_query_device;
ibv_query_port;
ibv_query_gid;
ibv_query_pkey;
ibv_attach_mcast;
ibv_detach_mcast;
ibv_cmd_get_context;
+ ibv_cmd_query_device;
ibv_cmd_query_port;
ibv_cmd_query_gid;
ibv_cmd_query_pkey;
#include "ibverbs.h"
+int ibv_query_device(struct ibv_context *context,
+ struct ibv_device_attr *device_attr)
+{
+ return context->ops.query_device(context, device_attr);
+}
+
int ibv_query_port(struct ibv_context *context, uint8_t port_num,
struct ibv_port_attr *port_attr)
{
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