@@ -62,7 +62,8 @@ man_MANS = man/ibv_asyncwatch.1 man/ibv_devices.1 man/ibv_devinfo.1 \
man/ibv_query_srq.3 man/ibv_rate_to_mult.3 man/ibv_reg_mr.3 \
man/ibv_req_notify_cq.3 man/ibv_resize_cq.3 man/ibv_rate_to_mbps.3 \
man/ibv_create_qp_ex.3 man/ibv_create_srq_ex.3 man/ibv_open_xrcd.3 \
- man/ibv_get_srq_num.3 man/ibv_open_qp.3
+ man/ibv_get_srq_num.3 man/ibv_open_qp.3 \
+ man/ibv_query_device_ex.3
DEBIAN = debian/changelog debian/compat debian/control debian/copyright \
debian/ibverbs-utils.install debian/libibverbs1.install \
@@ -207,7 +207,7 @@ static const char *link_layer_str(uint8_t link_layer)
static int print_hca_cap(struct ibv_device *ib_dev, uint8_t ib_port)
{
struct ibv_context *ctx;
- struct ibv_device_attr device_attr;
+ struct ibv_device_attr_ex device_attr;
struct ibv_port_attr port_attr;
int rc = 0;
uint8_t port;
@@ -219,12 +219,12 @@ static int print_hca_cap(struct ibv_device *ib_dev, uint8_t ib_port)
rc = 1;
goto cleanup;
}
- if (ibv_query_device(ctx, &device_attr)) {
+ if (ibv_query_device_ex(ctx, NULL, &device_attr)) {
fprintf(stderr, "Failed to query device props\n");
rc = 2;
goto cleanup;
}
- if (ib_port && ib_port > device_attr.phys_port_cnt) {
+ if (ib_port && ib_port > device_attr.orig_attr.phys_port_cnt) {
fprintf(stderr, "Invalid port requested for device\n");
/* rc = 3 is taken by failure to clean up */
rc = 4;
@@ -234,63 +234,63 @@ static int print_hca_cap(struct ibv_device *ib_dev, uint8_t ib_port)
printf("hca_id:\t%s\n", ibv_get_device_name(ib_dev));
printf("\ttransport:\t\t\t%s (%d)\n",
transport_str(ib_dev->transport_type), ib_dev->transport_type);
- if (strlen(device_attr.fw_ver))
- printf("\tfw_ver:\t\t\t\t%s\n", device_attr.fw_ver);
- printf("\tnode_guid:\t\t\t%s\n", guid_str(device_attr.node_guid, buf));
- printf("\tsys_image_guid:\t\t\t%s\n", guid_str(device_attr.sys_image_guid, buf));
- printf("\tvendor_id:\t\t\t0x%04x\n", device_attr.vendor_id);
- printf("\tvendor_part_id:\t\t\t%d\n", device_attr.vendor_part_id);
- printf("\thw_ver:\t\t\t\t0x%X\n", device_attr.hw_ver);
+ if (strlen(device_attr.orig_attr.fw_ver))
+ printf("\tfw_ver:\t\t\t\t%s\n", device_attr.orig_attr.fw_ver);
+ printf("\tnode_guid:\t\t\t%s\n", guid_str(device_attr.orig_attr.node_guid, buf));
+ printf("\tsys_image_guid:\t\t\t%s\n", guid_str(device_attr.orig_attr.sys_image_guid, buf));
+ printf("\tvendor_id:\t\t\t0x%04x\n", device_attr.orig_attr.vendor_id);
+ printf("\tvendor_part_id:\t\t\t%d\n", device_attr.orig_attr.vendor_part_id);
+ printf("\thw_ver:\t\t\t\t0x%X\n", device_attr.orig_attr.hw_ver);
if (ibv_read_sysfs_file(ib_dev->ibdev_path, "board_id", buf, sizeof buf) > 0)
printf("\tboard_id:\t\t\t%s\n", buf);
- printf("\tphys_port_cnt:\t\t\t%d\n", device_attr.phys_port_cnt);
+ printf("\tphys_port_cnt:\t\t\t%d\n", device_attr.orig_attr.phys_port_cnt);
if (verbose) {
printf("\tmax_mr_size:\t\t\t0x%llx\n",
- (unsigned long long) device_attr.max_mr_size);
+ (unsigned long long) device_attr.orig_attr.max_mr_size);
printf("\tpage_size_cap:\t\t\t0x%llx\n",
- (unsigned long long) device_attr.page_size_cap);
- printf("\tmax_qp:\t\t\t\t%d\n", device_attr.max_qp);
- printf("\tmax_qp_wr:\t\t\t%d\n", device_attr.max_qp_wr);
- printf("\tdevice_cap_flags:\t\t0x%08x\n", device_attr.device_cap_flags);
- printf("\tmax_sge:\t\t\t%d\n", device_attr.max_sge);
- printf("\tmax_sge_rd:\t\t\t%d\n", device_attr.max_sge_rd);
- printf("\tmax_cq:\t\t\t\t%d\n", device_attr.max_cq);
- printf("\tmax_cqe:\t\t\t%d\n", device_attr.max_cqe);
- printf("\tmax_mr:\t\t\t\t%d\n", device_attr.max_mr);
- printf("\tmax_pd:\t\t\t\t%d\n", device_attr.max_pd);
- printf("\tmax_qp_rd_atom:\t\t\t%d\n", device_attr.max_qp_rd_atom);
- printf("\tmax_ee_rd_atom:\t\t\t%d\n", device_attr.max_ee_rd_atom);
- printf("\tmax_res_rd_atom:\t\t%d\n", device_attr.max_res_rd_atom);
- printf("\tmax_qp_init_rd_atom:\t\t%d\n", device_attr.max_qp_init_rd_atom);
- printf("\tmax_ee_init_rd_atom:\t\t%d\n", device_attr.max_ee_init_rd_atom);
+ (unsigned long long) device_attr.orig_attr.page_size_cap);
+ printf("\tmax_qp:\t\t\t\t%d\n", device_attr.orig_attr.max_qp);
+ printf("\tmax_qp_wr:\t\t\t%d\n", device_attr.orig_attr.max_qp_wr);
+ printf("\tdevice_cap_flags:\t\t0x%08x\n", device_attr.orig_attr.device_cap_flags);
+ printf("\tmax_sge:\t\t\t%d\n", device_attr.orig_attr.max_sge);
+ printf("\tmax_sge_rd:\t\t\t%d\n", device_attr.orig_attr.max_sge_rd);
+ printf("\tmax_cq:\t\t\t\t%d\n", device_attr.orig_attr.max_cq);
+ printf("\tmax_cqe:\t\t\t%d\n", device_attr.orig_attr.max_cqe);
+ printf("\tmax_mr:\t\t\t\t%d\n", device_attr.orig_attr.max_mr);
+ printf("\tmax_pd:\t\t\t\t%d\n", device_attr.orig_attr.max_pd);
+ printf("\tmax_qp_rd_atom:\t\t\t%d\n", device_attr.orig_attr.max_qp_rd_atom);
+ printf("\tmax_ee_rd_atom:\t\t\t%d\n", device_attr.orig_attr.max_ee_rd_atom);
+ printf("\tmax_res_rd_atom:\t\t%d\n", device_attr.orig_attr.max_res_rd_atom);
+ printf("\tmax_qp_init_rd_atom:\t\t%d\n", device_attr.orig_attr.max_qp_init_rd_atom);
+ printf("\tmax_ee_init_rd_atom:\t\t%d\n", device_attr.orig_attr.max_ee_init_rd_atom);
printf("\tatomic_cap:\t\t\t%s (%d)\n",
- atomic_cap_str(device_attr.atomic_cap), device_attr.atomic_cap);
- printf("\tmax_ee:\t\t\t\t%d\n", device_attr.max_ee);
- printf("\tmax_rdd:\t\t\t%d\n", device_attr.max_rdd);
- printf("\tmax_mw:\t\t\t\t%d\n", device_attr.max_mw);
- printf("\tmax_raw_ipv6_qp:\t\t%d\n", device_attr.max_raw_ipv6_qp);
- printf("\tmax_raw_ethy_qp:\t\t%d\n", device_attr.max_raw_ethy_qp);
- printf("\tmax_mcast_grp:\t\t\t%d\n", device_attr.max_mcast_grp);
- printf("\tmax_mcast_qp_attach:\t\t%d\n", device_attr.max_mcast_qp_attach);
+ atomic_cap_str(device_attr.orig_attr.atomic_cap), device_attr.orig_attr.atomic_cap);
+ printf("\tmax_ee:\t\t\t\t%d\n", device_attr.orig_attr.max_ee);
+ printf("\tmax_rdd:\t\t\t%d\n", device_attr.orig_attr.max_rdd);
+ printf("\tmax_mw:\t\t\t\t%d\n", device_attr.orig_attr.max_mw);
+ printf("\tmax_raw_ipv6_qp:\t\t%d\n", device_attr.orig_attr.max_raw_ipv6_qp);
+ printf("\tmax_raw_ethy_qp:\t\t%d\n", device_attr.orig_attr.max_raw_ethy_qp);
+ printf("\tmax_mcast_grp:\t\t\t%d\n", device_attr.orig_attr.max_mcast_grp);
+ printf("\tmax_mcast_qp_attach:\t\t%d\n", device_attr.orig_attr.max_mcast_qp_attach);
printf("\tmax_total_mcast_qp_attach:\t%d\n",
- device_attr.max_total_mcast_qp_attach);
- printf("\tmax_ah:\t\t\t\t%d\n", device_attr.max_ah);
- printf("\tmax_fmr:\t\t\t%d\n", device_attr.max_fmr);
- if (device_attr.max_fmr)
- printf("\tmax_map_per_fmr:\t\t%d\n", device_attr.max_map_per_fmr);
- printf("\tmax_srq:\t\t\t%d\n", device_attr.max_srq);
- if (device_attr.max_srq) {
- printf("\tmax_srq_wr:\t\t\t%d\n", device_attr.max_srq_wr);
- printf("\tmax_srq_sge:\t\t\t%d\n", device_attr.max_srq_sge);
+ device_attr.orig_attr.max_total_mcast_qp_attach);
+ printf("\tmax_ah:\t\t\t\t%d\n", device_attr.orig_attr.max_ah);
+ printf("\tmax_fmr:\t\t\t%d\n", device_attr.orig_attr.max_fmr);
+ if (device_attr.orig_attr.max_fmr)
+ printf("\tmax_map_per_fmr:\t\t%d\n", device_attr.orig_attr.max_map_per_fmr);
+ printf("\tmax_srq:\t\t\t%d\n", device_attr.orig_attr.max_srq);
+ if (device_attr.orig_attr.max_srq) {
+ printf("\tmax_srq_wr:\t\t\t%d\n", device_attr.orig_attr.max_srq_wr);
+ printf("\tmax_srq_sge:\t\t\t%d\n", device_attr.orig_attr.max_srq_sge);
}
- printf("\tmax_pkeys:\t\t\t%d\n", device_attr.max_pkeys);
- printf("\tlocal_ca_ack_delay:\t\t%d\n", device_attr.local_ca_ack_delay);
+ printf("\tmax_pkeys:\t\t\t%d\n", device_attr.orig_attr.max_pkeys);
+ printf("\tlocal_ca_ack_delay:\t\t%d\n", device_attr.orig_attr.local_ca_ack_delay);
}
- for (port = 1; port <= device_attr.phys_port_cnt; ++port) {
+ for (port = 1; port <= device_attr.orig_attr.phys_port_cnt; ++port) {
/* if in the command line the user didn't ask for info about this port */
if ((ib_port) && (port != ib_port))
continue;
@@ -105,6 +105,16 @@ int ibv_cmd_query_device(struct ibv_context *context,
struct ibv_device_attr *device_attr,
uint64_t *raw_fw_ver,
struct ibv_query_device *cmd, size_t cmd_size);
+int ibv_cmd_query_device_ex(struct ibv_context *context,
+ const struct ibv_query_device_ex_input *input,
+ struct ibv_device_attr_ex *attr, size_t attr_size,
+ uint64_t *raw_fw_ver,
+ struct ibv_query_device_ex *cmd,
+ size_t cmd_core_size,
+ size_t cmd_size,
+ struct ibv_query_device_resp_ex *resp,
+ size_t resp_core_size,
+ size_t resp_size);
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);
@@ -101,10 +101,16 @@ enum {
#define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80ul
+/* use this mask for creating extended commands */
+#define IB_USER_VERBS_CMD_EXTENDED_MASK \
+ (IB_USER_VERBS_CMD_FLAG_EXTENDED << \
+ IB_USER_VERBS_CMD_FLAGS_SHIFT)
+
enum {
- IB_USER_VERBS_CMD_CREATE_FLOW = (IB_USER_VERBS_CMD_FLAG_EXTENDED <<
- IB_USER_VERBS_CMD_FLAGS_SHIFT) +
+ IB_USER_VERBS_CMD_QUERY_DEVICE_EX = IB_USER_VERBS_CMD_EXTENDED_MASK |
+ IB_USER_VERBS_CMD_QUERY_DEVICE,
+ IB_USER_VERBS_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_EXTENDED_MASK +
IB_USER_VERBS_CMD_THRESHOLD,
IB_USER_VERBS_CMD_DESTROY_FLOW
};
@@ -240,6 +246,18 @@ struct ibv_query_device_resp {
__u8 reserved[4];
};
+struct ibv_query_device_ex {
+ struct ex_hdr hdr;
+ __u32 comp_mask;
+ __u32 reserved;
+};
+
+struct ibv_query_device_resp_ex {
+ struct ibv_query_device_resp base;
+ __u32 comp_mask;
+ __u32 response_length;
+};
+
struct ibv_query_port {
__u32 command;
__u16 in_words;
@@ -1001,7 +1019,8 @@ enum {
IB_USER_VERBS_CMD_CREATE_XSRQ_V2 = -1,
IB_USER_VERBS_CMD_OPEN_QP_V2 = -1,
IB_USER_VERBS_CMD_CREATE_FLOW_V2 = -1,
- IB_USER_VERBS_CMD_DESTROY_FLOW_V2 = -1
+ IB_USER_VERBS_CMD_DESTROY_FLOW_V2 = -1,
+ IB_USER_VERBS_CMD_QUERY_DEVICE_EX_V2 = -1
};
struct ibv_modify_srq_v3 {
@@ -40,6 +40,7 @@
#include <pthread.h>
#include <stddef.h>
#include <errno.h>
+#include <string.h>
#ifdef __cplusplus
# define BEGIN_C_DECLS extern "C" {
@@ -168,6 +169,17 @@ struct ibv_device_attr {
uint8_t phys_port_cnt;
};
+/* An extensible input struct for possible future extensions of the
+ * ibv_query_device_ex verb. */
+struct ibv_query_device_ex_input {
+ uint32_t comp_mask;
+};
+
+struct ibv_device_attr_ex {
+ struct ibv_device_attr orig_attr;
+ uint32_t comp_mask;
+};
+
enum ibv_mtu {
IBV_MTU_256 = 1,
IBV_MTU_512 = 2,
@@ -977,6 +989,10 @@ enum verbs_context_mask {
struct verbs_context {
/* "grows up" - new fields go here */
+ int (*query_device_ex)(struct ibv_context *context,
+ const struct ibv_query_device_ex_input *input,
+ struct ibv_device_attr_ex *attr,
+ size_t attr_size);
int (*drv_ibv_destroy_flow) (struct ibv_flow *flow);
int (*lib_ibv_destroy_flow) (struct ibv_flow *flow);
struct ibv_flow * (*drv_ibv_create_flow) (struct ibv_qp *qp,
@@ -1400,6 +1416,33 @@ ibv_create_qp_ex(struct ibv_context *context, struct ibv_qp_init_attr_ex *qp_ini
}
/**
+ * ibv_query_device_ex - Get extended device properties
+ */
+static inline int
+ibv_query_device_ex(struct ibv_context *context,
+ const struct ibv_query_device_ex_input *input,
+ struct ibv_device_attr_ex *attr)
+{
+ struct verbs_context *vctx;
+ int ret;
+
+ vctx = verbs_get_ctx_op(context, query_device_ex);
+ if (!vctx)
+ goto legacy;
+
+ ret = vctx->query_device_ex(context, input, attr, sizeof(*attr));
+ if (ret == ENOSYS)
+ goto legacy;
+
+ return ret;
+
+legacy:
+ memset(attr, 0, sizeof(*attr));
+ ret = ibv_query_device(context, &attr->orig_attr);
+ return ret;
+}
+
+/**
* ibv_open_qp - Open a shareable queue pair.
*/
static inline struct ibv_qp *
new file mode 100644
@@ -0,0 +1,47 @@
+.\" -*- nroff -*-
+.\"
+.TH IBV_QUERY_DEVICE_EX 3 2014-12-17 libibverbs "Libibverbs Programmer's Manual"
+.SH "NAME"
+ibv_query_device_ex \- query an RDMA device's attributes
+.SH "SYNOPSIS"
+.nf
+.B #include <infiniband/verbs.h>
+.sp
+.BI "int ibv_query_device_ex(struct ibv_context " "*context",
+.BI " struct ibv_device_attr_ex " "*attr" );
+.fi
+.SH "DESCRIPTION"
+.B ibv_query_device_ex()
+returns the attributes of the device with context
+.I context\fR.
+The argument
+.I attr
+is a pointer to an ibv_device_attr_ex struct, as defined in <infiniband/verbs.h>.
+.PP
+.nf
+struct ibv_device_attr_ex {
+.in +8
+struct ibv_device_attr orig_attr;
+uint32_t comp_mask; /* Compatibility mask that defines which of the following variables are valid */
+.in -8
+};
+.fi
+.SH "RETURN VALUE"
+.B ibv_query_device_ex()
+returns 0 on success, or the value of errno on failure (which indicates the failure reason).
+.SH "NOTES"
+The maximum values returned by this function are the upper limits of
+supported resources by the device. However, it may not be possible to
+use these maximum values, since the actual number of any resource that
+can be created may be limited by the machine configuration, the amount
+of host memory, user permissions, and the amount of resources already
+in use by other users/processes.
+.SH "SEE ALSO"
+.BR ibv_query_device (3),
+.BR ibv_open_device (3),
+.BR ibv_query_port (3),
+.BR ibv_query_pkey (3),
+.BR ibv_query_gid (3)
+.SH "AUTHORS"
+.TP
+Majd Dibbiny <majd@mellanox.com>
@@ -66,6 +66,52 @@ int ibv_cmd_get_context(struct ibv_context *context, struct ibv_get_context *cmd
return 0;
}
+static void copy_query_dev_fields(struct ibv_device_attr *device_attr,
+ struct ibv_query_device_resp *resp,
+ uint64_t *raw_fw_ver)
+{
+ *raw_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;
+}
+
int ibv_cmd_query_device(struct ibv_context *context,
struct ibv_device_attr *device_attr,
uint64_t *raw_fw_ver,
@@ -81,46 +127,51 @@ int ibv_cmd_query_device(struct ibv_context *context,
(void) VALGRIND_MAKE_MEM_DEFINED(&resp, sizeof resp);
memset(device_attr->fw_ver, 0, sizeof device_attr->fw_ver);
- *raw_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;
+ copy_query_dev_fields(device_attr, &resp, raw_fw_ver);
+
+ return 0;
+}
+
+int ibv_cmd_query_device_ex(struct ibv_context *context,
+ const struct ibv_query_device_ex_input *input,
+ struct ibv_device_attr_ex *attr, size_t attr_size,
+ uint64_t *raw_fw_ver,
+ struct ibv_query_device_ex *cmd,
+ size_t cmd_core_size,
+ size_t cmd_size,
+ struct ibv_query_device_resp_ex *resp,
+ size_t resp_core_size,
+ size_t resp_size)
+{
+ int err;
+
+ if (input && input->comp_mask)
+ return EINVAL;
+
+ if (attr_size < offsetof(struct ibv_device_attr_ex, comp_mask) +
+ sizeof(attr->comp_mask))
+ return EINVAL;
+
+ if (resp_core_size < offsetof(struct ibv_query_device_resp_ex,
+ response_length) +
+ sizeof(resp->response_length))
+ return EINVAL;
+
+ IBV_INIT_CMD_RESP_EX_V(cmd, cmd_core_size, cmd_size,
+ QUERY_DEVICE_EX, resp, resp_core_size,
+ resp_size);
+ cmd->comp_mask = 0;
+ cmd->reserved = 0;
+ memset(attr->orig_attr.fw_ver, 0, sizeof(attr->orig_attr.fw_ver));
+ err = write(context->cmd_fd, cmd, cmd_size);
+ if (err != cmd_size)
+ return errno;
+
+ (void)VALGRIND_MAKE_MEM_DEFINED(resp, resp_size);
+ copy_query_dev_fields(&attr->orig_attr, &resp->base, raw_fw_ver);
+ /* Report back supported comp_mask bits. For now no comp_mask bit is
+ * defined */
+ attr->comp_mask = resp->comp_mask & 0;
return 0;
}
@@ -9,6 +9,7 @@ IBVERBS_1.0 {
ibv_get_async_event;
ibv_ack_async_event;
ibv_query_device;
+ ibv_query_device_ex;
ibv_query_port;
ibv_query_gid;
ibv_query_pkey;
@@ -37,6 +38,7 @@ IBVERBS_1.0 {
ibv_detach_mcast;
ibv_cmd_get_context;
ibv_cmd_query_device;
+ ibv_cmd_query_device_ex;
ibv_cmd_query_port;
ibv_cmd_query_gid;
ibv_cmd_query_pkey;