From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gaetan Rivet <gaetan.rivet@6wind.com>
Subject: [PATCH v2 18/18] app/testpmd: add show device command
Date: Wed, 21 Mar 2018 18:15:39 +0100
Message-ID: <6308dd15567ce7a0432c5515c78f1b336f767938.1521652453.git.gaetan.rivet@6wind.com>
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A new interactive command is offered:

   show device <device description>

This commands lists all rte_device element matching the device
description. e.g.:

   show device bus=pci
   show device bus=vdev
   show device bus=vdev/class=eth
   show device bus=vdev,driver=net_ring/class=eth
   show device bus=vdev/class=eth,name=net_ring0

These devices may not be otherwise useful, some buses will spawn devices
to keep track of their assets without having a driver to use them.

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
 app/test-pmd/cmdline.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 40b31ad7e..8ac5fb3ca 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -6701,6 +6701,57 @@ cmdline_parse_inst_t cmd_showportall = {
 	},
 };
 
+/* *** SHOW DEVICE INFO *** */
+struct cmd_showdevice_result {
+	cmdline_fixed_string_t show;
+	cmdline_fixed_string_t device;
+	cmdline_fixed_string_t filter;
+};
+
+static void
+cmd_showdevice_dump_device(const struct rte_device *dev)
+{
+	const struct rte_driver *drv = dev->driver;
+
+	printf("0x%p: %s:%s\n", (const void *)dev, dev->name,
+		drv ? drv->name : "<nil>");
+}
+
+static void cmd_showdevice_parsed(void *parsed_result,
+				__attribute__((unused)) struct cmdline *cl,
+				__attribute__((unused)) void *data)
+{
+	struct cmd_showdevice_result *res = parsed_result;
+	struct rte_dev_iterator it;
+	const struct rte_device *dev;
+
+	RTE_DEV_FOREACH(dev, res->filter, &it)
+		cmd_showdevice_dump_device(dev);
+}
+
+cmdline_parse_token_string_t cmd_showdevice_show =
+	TOKEN_STRING_INITIALIZER(struct cmd_showdevice_result,
+				show, "show");
+cmdline_parse_token_string_t cmd_showdevice_device =
+	TOKEN_STRING_INITIALIZER(struct cmd_showdevice_result,
+				device, "device");
+cmdline_parse_token_string_t cmd_showdevice_filter =
+	TOKEN_STRING_INITIALIZER(struct cmd_showdevice_result,
+			filter, NULL);
+
+cmdline_parse_inst_t cmd_showdevice = {
+	.f = cmd_showdevice_parsed,
+	.data = NULL,
+	.help_str = "show device "
+		"<device string>",
+	.tokens = {
+		(void *)&cmd_showdevice_show,
+		(void *)&cmd_showdevice_device,
+		(void *)&cmd_showdevice_filter,
+		NULL,
+	},
+};
+
 /* *** SHOW PORT INFO *** */
 struct cmd_showport_result {
 	cmdline_fixed_string_t show;
@@ -16038,6 +16089,7 @@ cmdline_parse_ctx_t main_ctx[] = {
 	(cmdline_parse_inst_t *)&cmd_help_long,
 	(cmdline_parse_inst_t *)&cmd_quit,
 	(cmdline_parse_inst_t *)&cmd_load_from_file,
+	(cmdline_parse_inst_t *)&cmd_showdevice,
 	(cmdline_parse_inst_t *)&cmd_showport,
 	(cmdline_parse_inst_t *)&cmd_showqueue,
 	(cmdline_parse_inst_t *)&cmd_showportall,
-- 
2.11.0