From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Add parsing interface for the device capability flags
$ rdma dev show
1: mlx5_0: caps 0x1257e1c26
2: mlx5_1: caps 0x1257e1c26
3: mlx5_2: caps 0x1257e1c26
4: mlx5_3: caps 0x1257e1c26
5: mlx5_4: caps 0x1257e1c26
$ rdma dev show mlx5_4
5: mlx5_4: caps 0x1257e1c26
$ rdma dev show mlx5_4 caps
5: mlx5_4: caps 0x1257e1c26
Bit Description
------------------------------------------
01 DEVICE_BAD_PKEY_CNTR
02 DEVICE_BAD_QKEY_CNTR
05 DEVICE_CHANGE_PHY_PORT
10 DEVICE_PORT_ACTIVE_EVENT
11 DEVICE_SYS_IMAGE_GUID
12 DEVICE_RC_RNR_NAK_GEN
17 DEVICE_MEM_WINDOW
18 DEVICE_UD_IP_CSUM
19 DEVICE_UD_TSO
20 DEVICE_XRC
21 DEVICE_MEM_MGT_EXTENSIONS
22 DEVICE_BLOCK_MULTICAST_LOOPBACK
24 DEVICE_MEM_WINDOW_TYPE_2B
26 DEVICE_RAW_IP_CSUM
29 DEVICE_SIGNATURE_HANDOVER
32 DEVICE_VIRTUAL_FUNCTION
$ rdma dev show mlx5_4 cap_flags
Unknown parameter 'caps_flags'.
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
rdma/dev.c | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
rdma/rdma.h | 3 ++
rdma/utils.c | 3 +-
3 files changed, 93 insertions(+), 9 deletions(-)
diff --git a/rdma/dev.c b/rdma/dev.c
index 5a3ee126..31c235e8 100644
--- a/rdma/dev.c
+++ b/rdma/dev.c
@@ -14,6 +14,7 @@
static int dev_help(struct rdma *rd)
{
pr_out("Usage: %s dev show [DEV]\n", rd->filename);
+ pr_out(" %s dev show DEV caps\n", rd->filename);
/*
* Example of set command:
@@ -22,28 +23,107 @@ static int dev_help(struct rdma *rd)
return 0;
}
-static void dev_one_show(const struct dev_map *dev_map)
+static const char *dev_caps[64] = {
+ "DEVICE_RESIZE_MAX_WR",
+ "DEVICE_BAD_PKEY_CNTR",
+ "DEVICE_BAD_QKEY_CNTR",
+ "DEVICE_RAW_MULTI",
+ "DEVICE_AUTO_PATH_MIG",
+ "DEVICE_CHANGE_PHY_PORT",
+ "DEVICE_UD_AV_PORT_ENFORCE",
+ "DEVICE_CURR_QP_STATE_MOD",
+ "DEVICE_SHUTDOWN_PORT",
+ "DEVICE_INIT_TYPE",
+ "DEVICE_PORT_ACTIVE_EVENT",
+ "DEVICE_SYS_IMAGE_GUID",
+ "DEVICE_RC_RNR_NAK_GEN",
+ "DEVICE_SRQ_RESIZE",
+ "DEVICE_N_NOTIFY_CQ",
+ "DEVICE_LOCAL_DMA_LKEY",
+ "DEVICE_RESERVED",
+ "DEVICE_MEM_WINDOW",
+ "DEVICE_UD_IP_CSUM",
+ "DEVICE_UD_TSO",
+ "DEVICE_XRC",
+ "DEVICE_MEM_MGT_EXTENSIONS",
+ "DEVICE_BLOCK_MULTICAST_LOOPBACK",
+ "DEVICE_MEM_WINDOW_TYPE_2A",
+ "DEVICE_MEM_WINDOW_TYPE_2B",
+ "DEVICE_RC_IP_CSUM",
+ "DEVICE_RAW_IP_CSUM",
+ "DEVICE_CROSS_CHANNEL",
+ "DEVICE_MANAGED_FLOW_STEERING",
+ "DEVICE_SIGNATURE_HANDOVER",
+ "DEVICE_ON_DEMAND_PAGING",
+ "DEVICE_SG_GAPS_REG",
+ "DEVICE_VIRTUAL_FUNCTION",
+ "DEVICE_RAW_SCATTER_FCS",
+ "DEVICE_RDMA_NETDEV_OPA_VNIC",
+};
+
+static int dev_print_caps(struct rdma *rd)
+{
+ struct dev_map *dev_map = rd->dev_map_curr;
+ uint64_t caps = dev_map->caps;
+ uint32_t idx;
+
+ pr_out("%u: %s: ", dev_map->idx, dev_map->dev_name);
+ pr_out("caps 0x%" PRIx64 "\n", dev_map->caps);
+ pr_out("Bit\tDescription\n");
+ pr_out("------------------------------------------\n");
+ for (idx = 0; idx < 64; idx++) {
+ if (caps & 0x1)
+ pr_out(" %02u\t%s\n", idx, dev_caps[idx]?dev_caps[idx]:"UNKNONW");
+ caps >>= 0x1;
+ }
+ return 0;
+}
+
+static int dev_no_args(struct rdma *rd)
+{
+ struct dev_map *dev_map = rd->dev_map_curr;
+
+ pr_out("%u: %s: ", dev_map->idx, dev_map->dev_name);
+ pr_out("caps 0x%" PRIx64 "\n", dev_map->caps);
+ return 0;
+}
+
+static int dev_one_show(struct rdma *rd)
{
- pr_out("%u: %s:\n", dev_map->idx, dev_map->dev_name);
+ const struct rdma_cmd cmds[] = {
+ { NULL, dev_no_args},
+ { "caps", dev_print_caps},
+ { 0 }
+ };
+
+ return rdma_exec_cmd(rd, cmds, "parameter");
+
}
static int dev_show(struct rdma *rd)
{
struct dev_map *dev_map;
+ int ret = 0;
if (rd_no_arg(rd)) {
- list_for_each_entry(dev_map, &rd->dev_map_list, list)
- dev_one_show(dev_map);
+ list_for_each_entry(dev_map, &rd->dev_map_list, list) {
+ rd->dev_map_curr = dev_map;
+ ret = dev_one_show(rd);
+ if (ret)
+ return ret;
+ }
+
}
else {
- dev_map = dev_map_lookup(rd, false);
- if (!dev_map) {
+ rd->dev_map_curr = dev_map_lookup(rd, false);
+ if (!rd->dev_map_curr) {
pr_err("Wrong device name\n");
return -ENOENT;
}
- dev_one_show(dev_map);
+ rd_arg_inc(rd);
+ ret = dev_one_show(rd);
}
- return 0;
+ return ret;
}
int cmd_dev(struct rdma *rd)
diff --git a/rdma/rdma.h b/rdma/rdma.h
index f5e104ec..8cca0f28 100644
--- a/rdma/rdma.h
+++ b/rdma/rdma.h
@@ -34,6 +34,7 @@ struct dev_map {
uint32_t num_ports;
struct list_head port_map_list;
uint32_t idx;
+ uint64_t caps;
};
struct rdma {
@@ -41,6 +42,7 @@ struct rdma {
char **argv;
char *filename;
struct list_head dev_map_list;
+ struct dev_map *dev_map_curr;
struct mnl_socket *nl;
struct nlmsghdr *nlh;
char *buff;
@@ -57,6 +59,7 @@ struct rdma_cmd {
bool rd_no_arg(struct rdma *rd);
bool rd_argv_match(struct rdma *rd, const char *pattern);
void rd_arg_inc(struct rdma *rd);
+char *rd_argv(struct rdma *rd);
/*
* Commands interface
diff --git a/rdma/utils.c b/rdma/utils.c
index e5c3dd6c..e7f257e3 100644
--- a/rdma/utils.c
+++ b/rdma/utils.c
@@ -28,7 +28,7 @@ static int rd_argc(struct rdma *rd)
return rd->argc;
}
-static char *rd_argv(struct rdma *rd)
+char *rd_argv(struct rdma *rd)
{
if (!rd_argc(rd))
return NULL;
@@ -128,6 +128,7 @@ static int port_map_alloc(struct dev_map *dev_map, uint32_t num_ports)
}
static const enum mnl_attr_data_type nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
+ [RDMA_NLDEV_ATTR_DEV_INDEX] = MNL_TYPE_U32,
[RDMA_NLDEV_ATTR_DEV_NAME] = MNL_TYPE_NUL_STRING,
[RDMA_NLDEV_ATTR_PORT_INDEX] = MNL_TYPE_U32,
};
--
2.13.1
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
