/*
* dev.c RDMA tool
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Authors: Leon Romanovsky <leonro@mellanox.com>
*/
#include "rdma.h"
static int dev_help(struct rd *rd)
{
pr_out("Usage: %s dev show [DEV]\n", rd->filename);
return 0;
}
static const char *dev_caps_to_str(uint32_t idx)
{
#define RDMA_DEV_FLAGS(x) \
x(RESIZE_MAX_WR, 0) \
x(BAD_PKEY_CNTR, 1) \
x(BAD_QKEY_CNTR, 2) \
x(RAW_MULTI, 3) \
x(AUTO_PATH_MIG, 4) \
x(CHANGE_PHY_PORT, 5) \
x(UD_AV_PORT_ENFORCE_PORT_ENFORCE, 6) \
x(CURR_QP_STATE_MOD, 7) \
x(SHUTDOWN_PORT, 8) \
x(INIT_TYPE, 9) \
x(PORT_ACTIVE_EVENT, 10) \
x(SYS_IMAGE_GUID, 11) \
x(RC_RNR_NAK_GEN, 12) \
x(SRQ_RESIZE, 13) \
x(N_NOTIFY_CQ, 14) \
x(LOCAL_DMA_LKEY, 15) \
x(MEM_WINDOW, 17) \
x(UD_IP_CSUM, 18) \
x(UD_TSO, 19) \
x(XRC, 20) \
x(MEM_MGT_EXTENSIONS, 21) \
x(BLOCK_MULTICAST_LOOPBACK, 22) \
x(MEM_WINDOW_TYPE_2A, 23) \
x(MEM_WINDOW_TYPE_2B, 24) \
x(RC_IP_CSUM, 25) \
x(RAW_IP_CSUM, 26) \
x(CROSS_CHANNEL, 27) \
x(MANAGED_FLOW_STEERING, 29) \
x(SIGNATURE_HANDOVER, 30) \
x(ON_DEMAND_PAGING, 31) \
x(SG_GAPS_REG, 32) \
x(VIRTUAL_FUNCTION, 33) \
x(RAW_SCATTER_FCS, 34) \
x(RDMA_NETDEV_OPA_VNIC, 35)
enum { RDMA_DEV_FLAGS(RDMA_BITMAP_ENUM) };
static const char * const
rdma_dev_names[] = { RDMA_DEV_FLAGS(RDMA_BITMAP_NAMES) };
#undef RDMA_DEV_FLAGS
if (idx < ARRAY_SIZE(rdma_dev_names) && rdma_dev_names[idx])
return rdma_dev_names[idx];
return "UNKNOWN";
}
static void dev_print_caps(struct rd *rd, struct nlattr **tb)
{
uint64_t caps;
uint32_t idx;
if (!tb[RDMA_NLDEV_ATTR_CAP_FLAGS])
return;
caps = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_CAP_FLAGS]);
if (rd->json_output) {
jsonw_name(rd->jw, "caps");
jsonw_start_array(rd->jw);
} else {
pr_out("\n caps: <");
}
for (idx = 0; caps; idx++) {
if (caps & 0x1) {
if (rd->json_output) {
jsonw_string(rd->jw, dev_caps_to_str(idx));
} else {
pr_out("%s", dev_caps_to_str(idx));
if (caps >> 0x1)
pr_out(", ");
}
}
caps >>= 0x1;
}
if (rd->json_output)
jsonw_end_array(rd->jw);
else
pr_out(">");
}
static void dev_print_fw(struct rd *rd, struct nlattr **tb)
{
const char *str;
if (!tb[RDMA_NLDEV_ATTR_FW_VERSION])
return;
str = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_FW_VERSION]);
if (rd->json_output)
jsonw_string_field(rd->jw, "fw", str);
else
pr_out("fw %s ", str);
}
static void dev_print_node_guid(struct rd *rd, struct nlattr **tb)
{
uint64_t node_guid;
uint16_t vp[4];
char str[32];
if (!tb[RDMA_NLDEV_ATTR_NODE_GUID])
return;
node_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_NODE_GUID]);
memcpy(vp, &node_guid, sizeof(uint64_t));
snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]);
if (rd->json_output)
jsonw_string_field(rd->jw, "node_guid", str);
else
pr_out("node_guid %s ", str);
}
static void dev_print_sys_image_guid(struct rd *rd, struct nlattr **tb)
{
uint64_t sys_image_guid;
uint16_t vp[4];
char str[32];
if (!tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID])
return;
sys_image_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID]);
memcpy(vp, &sys_image_guid, sizeof(uint64_t));
snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]);
if (rd->json_output)
jsonw_string_field(rd->jw, "sys_image_guid", str);
else
pr_out("sys_image_guid %s ", str);
}
static const char *node_type_to_str(uint8_t node_type)
{
static const char * const node_type_str[] = { "unknown", "ca",
"switch", "router",
"rnic", "usnic",
"usnic_dp" };
if (node_type < ARRAY_SIZE(node_type_str))
return node_type_str[node_type];
return "unknown";
}
static void dev_print_node_type(struct rd *rd, struct nlattr **tb)
{
const char *node_str;
uint8_t node_type;
if (!tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE])
return;
node_type = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE]);
node_str = node_type_to_str(node_type);
if (rd->json_output)
jsonw_string_field(rd->jw, "node_type", node_str);
else
pr_out("node_type %s ", node_str);
}
static int dev_parse_cb(const struct nlmsghdr *nlh, void *data)
{
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
struct rd *rd = data;
const char *name;
uint32_t idx;
mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME])
return MNL_CB_ERROR;
idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
if (rd->json_output) {
jsonw_uint_field(rd->jw, "ifindex", idx);
jsonw_string_field(rd->jw, "ifname", name);
} else {
pr_out("%u: %s: ", idx, name);
}
dev_print_node_type(rd, tb);
dev_print_fw(rd, tb);
dev_print_node_guid(rd, tb);
dev_print_sys_image_guid(rd, tb);
if (rd->show_details)
dev_print_caps(rd, tb);
if (!rd->json_output)
pr_out("\n");
return MNL_CB_OK;
}
static int dev_no_args(struct rd *rd)
{
uint32_t seq;
int ret;
rd_prepare_msg(rd, RDMA_NLDEV_CMD_GET,
&seq, (NLM_F_REQUEST | NLM_F_ACK));
mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
ret = rd_send_msg(rd);
if (ret)
return ret;
if (rd->json_output)
jsonw_start_object(rd->jw);
ret = rd_recv_msg(rd, dev_parse_cb, rd, seq);
if (rd->json_output)
jsonw_end_object(rd->jw);
return ret;
}
static int dev_one_show(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, dev_no_args},
{ 0 }
};
return rd_exec_cmd(rd, cmds, "parameter");
}
static int dev_show(struct rd *rd)
{
struct dev_map *dev_map;
int ret = 0;
if (rd->json_output)
jsonw_start_array(rd->jw);
if (rd_no_arg(rd)) {
list_for_each_entry(dev_map, &rd->dev_map_list, list) {
rd->dev_idx = dev_map->idx;
ret = dev_one_show(rd);
if (ret)
goto out;
}
} else {
dev_map = dev_map_lookup(rd, false);
if (!dev_map) {
pr_err("Wrong device name\n");
ret = -ENOENT;
goto out;
}
rd_arg_inc(rd);
rd->dev_idx = dev_map->idx;
ret = dev_one_show(rd);
}
out:
if (rd->json_output)
jsonw_end_array(rd->jw);
return ret;
}
int cmd_dev(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, dev_show },
{ "show", dev_show },
{ "list", dev_show },
{ "help", dev_help },
{ 0 }
};
return rd_exec_cmd(rd, cmds, "dev command");
}