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[62.23.145.78]) by smtp.gmail.com with ESMTPSA id i190-v6sm3771084wmd.33.2018.07.03.15.16.03 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 03 Jul 2018 15:16:03 -0700 (PDT) From: Gaetan Rivet To: dev@dpdk.org Cc: Gaetan Rivet Date: Wed, 4 Jul 2018 00:15:05 +0200 Message-Id: X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: Subject: [dpdk-dev] [PATCH v9 22/27] app/testpmd: add show device command X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Jul 2018 22:16:05 -0000 A new interactive command is offered: show device 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 --- app/test-pmd/cmdline.c | 54 +++++++++++++++++++++++++++++ doc/guides/testpmd_app_ug/testpmd_funcs.rst | 24 +++++++++++++ 2 files changed, 78 insertions(+) diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index 27e2aa8c8..3b86bfe48 100644 --- a/app/test-pmd/cmdline.c +++ b/app/test-pmd/cmdline.c @@ -228,6 +228,9 @@ static void cmd_help_long_parsed(void *parsed_result, "show port tm node stats (port_id) (node_id) (clear)\n" " Display the port TM node stats.\n\n" + "show device (device_string)\n" + " Display devices matching the device string.\n\n" + ); } @@ -7083,6 +7086,56 @@ 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 : ""); +} + +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 ", + .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; @@ -17262,6 +17315,7 @@ 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, diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst index 0d6fd50ca..4f1009a3a 100644 --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst @@ -2628,6 +2628,30 @@ set the traffic management default hierarchy on the port:: testpmd> set port tm hierarchy default (port_id) +Device functions +---------------- + +Show devices +~~~~~~~~~~~~ + +Display any registered devices:: + + testpmd> show device + +where: + +* ``device_string``: Device description string, of the format + + layer[/layer[/layer]] + + where one layer is in the form + + layer_key=layer_name[,key1=value1[,...]] + + Valid layer keys are ``bus`` and ``class``. + Their respective values is defined by registered ``bus`` and ``class`` + drivers. + Filter Functions ---------------- -- 2.11.0