From patchwork Thu Jan 24 11:04:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AKASHI Takahiro X-Patchwork-Id: 1030410 X-Patchwork-Delegate: agraf@suse.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="jtZLaQjp"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 43lfWZ6TNhz9s9h for ; Thu, 24 Jan 2019 22:07:38 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id 91FA5C21E2B; 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Thu, 24 Jan 2019 03:04:58 -0800 (PST) Received: from linaro.org ([121.95.100.191]) by smtp.googlemail.com with ESMTPSA id l7sm7993739ywk.24.2019.01.24.03.04.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 24 Jan 2019 03:04:57 -0800 (PST) From: AKASHI Takahiro To: trini@konsulko.com, agraf@suse.de, xypron.glpk@gmx.de Date: Thu, 24 Jan 2019 20:04:34 +0900 Message-Id: <20190124110437.6837-5-takahiro.akashi@linaro.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190124110437.6837-1-takahiro.akashi@linaro.org> References: <20190124110437.6837-1-takahiro.akashi@linaro.org> MIME-Version: 1.0 Cc: u-boot@lists.denx.de Subject: [U-Boot] [PATCH v6 4/7] cmd: efidebug: add drivers command X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" "drivers" command prints all the uefi drivers on the system. => efi drivers Driver Name Image Path ================ ==================== ==================== 000000007ef003d0 Signed-off-by: AKASHI Takahiro --- cmd/efidebug.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 79 insertions(+), 1 deletion(-) diff --git a/cmd/efidebug.c b/cmd/efidebug.c index 8a7f775b117a..1b788c76a895 100644 --- a/cmd/efidebug.c +++ b/cmd/efidebug.c @@ -111,6 +111,80 @@ static int do_efi_show_devices(cmd_tbl_t *cmdtp, int flag, return CMD_RET_SUCCESS; } +static int efi_get_driver_handle_info(efi_handle_t handle, u16 **driver_name, + u16 **image_path) +{ + struct efi_handler *handler; + struct efi_loaded_image *image; + efi_status_t ret; + + /* + * driver name + * TODO: support EFI_COMPONENT_NAME2_PROTOCOL + */ + *driver_name = NULL; + + /* image name */ + ret = efi_search_protocol(handle, &efi_guid_loaded_image, &handler); + if (ret != EFI_SUCCESS) { + *image_path = NULL; + return 0; + } + + image = handler->protocol_interface; + *image_path = efi_dp_str(image->file_path); + + return 0; +} + +static int do_efi_show_drivers(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + efi_handle_t *handles = NULL, *handle; + efi_uintn_t size = 0; + u16 *driver_name, *image_path_text; + efi_status_t ret; + int i; + + ret = BS->locate_handle(BY_PROTOCOL, &efi_guid_driver_binding_protocol, + NULL, &size, NULL); + if (ret == EFI_BUFFER_TOO_SMALL) { + handles = calloc(1, size); + if (!handles) + return CMD_RET_FAILURE; + + ret = BS->locate_handle(BY_PROTOCOL, + &efi_guid_driver_binding_protocol, + NULL, &size, handles); + } + if (ret != EFI_SUCCESS) { + free(handles); + return CMD_RET_FAILURE; + } + + printf("Driver%.*s Name Image Path\n", + EFI_HANDLE_WIDTH - 6, spc); + printf("%.*s ==================== ====================\n", + EFI_HANDLE_WIDTH, sep); + handle = handles; + for (i = 0; i < size / sizeof(*handle); i++) { + if (!efi_get_driver_handle_info(*handle, &driver_name, + &image_path_text)) { + if (image_path_text) + printf("%p %-20ls %ls\n", + *handle, driver_name, image_path_text); + else + printf("%p %-20ls \n", + *handle, driver_name); + efi_free_pool(driver_name); + efi_free_pool(image_path_text); + } + handle++; + } + + return CMD_RET_SUCCESS; +} + static int do_efi_boot_add(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { @@ -504,6 +578,8 @@ static cmd_tbl_t cmd_efidebug_sub[] = { U_BOOT_CMD_MKENT(boot, CONFIG_SYS_MAXARGS, 1, do_efi_boot_opt, "", ""), U_BOOT_CMD_MKENT(devices, CONFIG_SYS_MAXARGS, 1, do_efi_show_devices, "", ""), + U_BOOT_CMD_MKENT(drivers, CONFIG_SYS_MAXARGS, 1, do_efi_show_drivers, + "", ""), }; /* Interpreter command to configure UEFI environment */ @@ -551,7 +627,9 @@ static char efidebug_help_text[] = " - set/show UEFI boot order\n" "\n" "efidebug devices\n" - " - show uefi devices\n"; + " - show uefi devices\n" + "efidebug drivers\n" + " - show uefi drivers\n"; #endif U_BOOT_CMD(