From patchwork Mon Oct 10 14:07:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Loehle X-Patchwork-Id: 13002621 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD78EC433FE for ; Mon, 10 Oct 2022 14:07:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229452AbiJJOH4 convert rfc822-to-8bit (ORCPT ); Mon, 10 Oct 2022 10:07:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229785AbiJJOHz (ORCPT ); Mon, 10 Oct 2022 10:07:55 -0400 Received: from mail3.swissbit.com (mail3.swissbit.com [176.95.1.57]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DABCF6E8BA for ; Mon, 10 Oct 2022 07:07:53 -0700 (PDT) Received: from mail3.swissbit.com (localhost [127.0.0.1]) by DDEI (Postfix) with ESMTP id 5340546317A; Mon, 10 Oct 2022 16:07:51 +0200 (CEST) Received: from mail3.swissbit.com (localhost [127.0.0.1]) by DDEI (Postfix) with ESMTP id 41926462BEC; Mon, 10 Oct 2022 16:07:51 +0200 (CEST) X-TM-AS-ERS: 10.149.2.42-127.5.254.253 X-TM-AS-SMTP: 1.0 ZXguc3dpc3NiaXQuY29t Y2xvZWhsZUBoeXBlcnN0b25lLmNvbQ== X-DDEI-TLS-USAGE: Used Received: from ex.swissbit.com (unknown [10.149.2.42]) by mail3.swissbit.com (Postfix) with ESMTPS; Mon, 10 Oct 2022 16:07:51 +0200 (CEST) Received: from sbdeex04.sbitdom.lan (10.149.2.42) by sbdeex04.sbitdom.lan (10.149.2.42) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.9; Mon, 10 Oct 2022 16:07:50 +0200 Received: from sbdeex04.sbitdom.lan ([fe80::2047:4968:b5a0:1818]) by sbdeex04.sbitdom.lan ([fe80::2047:4968:b5a0:1818%9]) with mapi id 15.02.1118.009; Mon, 10 Oct 2022 16:07:50 +0200 From: =?iso-8859-1?q?Christian_L=F6hle?= To: Ulf Hansson , Avri Altman , Linux MMC List , =?iso-8859-1?q?Christian_L=F6hl?= =?iso-8859-1?q?e?= Subject: [PATCH 1/2] mmc-utils: Refactor switch to allow custom timeout Thread-Topic: [PATCH 1/2] mmc-utils: Refactor switch to allow custom timeout Thread-Index: AdjcsYDW5DwYIKhGTcWDMha37dKSlw== Date: Mon, 10 Oct 2022 14:07:50 +0000 Message-ID: Accept-Language: en-US, de-DE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.153.3.46] MIME-Version: 1.0 X-TMASE-Version: DDEI-5.1-9.0.1002-27194.000 X-TMASE-Result: 10-1.337000-10.000000 X-TMASE-MatchedRID: dwNgap4H9hhINlHl+WuFyiBpp+DpTrQjwfXdYxXtxJnRjBmBWsa9RH9M UW3noMgmIvrftAIhWmLy9zcRSkKatQYU8o3sAyqyqdwbW9Wx9tCqqr1rAAunEI5V1ACIyZtnFV1 0AAXime4P84WlxIC/C+dS/NOFev1IEy8w+br3maoRW4LR41Fi8j/FEHo4advaoeLP9exWB9ulYG 68NAUFKhKBM8NEaed1MtVVbyegvy2PaFHMfVTC4BM0JxSxHjFJ3QfwsVk0UbtuRXh7bFKB7ubPs 5ZFmSSf/B6AI2IVx/SmZ9a4RA8du3G/B0nd10HjSwwcGKLTYEc= X-TMASE-SNAP-Result: 1.821001.0001-0-1-22:0,33:0,34:0-0 X-TMASE-INERTIA: 0-0;;;; X-TMASE-XGENCLOUD: b1d284c7-a8b8-4c25-8e2e-4381f07cd660-0-0-200-0 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Certain commands require a longer switch timeout. Refactor accordingly to allow e.g. for future sanitize. Signed-off-by: Christian Loehle --- mmc_cmds.c | 80 +++++++++++++++++++++++++++++++++++------------------- 1 file changed, 52 insertions(+), 28 deletions(-) diff --git a/mmc_cmds.c b/mmc_cmds.c index 2957aa9..4278b8a 100644 --- a/mmc_cmds.c +++ b/mmc_cmds.c @@ -54,6 +54,8 @@ #define WPTYPE_PWRON 2 #define WPTYPE_PERM 3 +#define SWITCH_TIMEOUT_MS (10 * 1000) + int read_extcsd(int fd, __u8 *ext_csd) { @@ -76,7 +78,7 @@ int read_extcsd(int fd, __u8 *ext_csd) return ret; } -int write_extcsd_value(int fd, __u8 index, __u8 value) +int write_extcsd_value(int fd, __u8 index, __u8 value, unsigned int timeout_ms) { int ret = 0; struct mmc_ioc_cmd idata; @@ -89,6 +91,7 @@ int write_extcsd_value(int fd, __u8 index, __u8 value) (value << 8) | EXT_CSD_CMD_SET_NORMAL; idata.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC; + idata.cmd_timeout_ms = timeout_ms; ret = ioctl(fd, MMC_IOC_CMD, &idata); if (ret) @@ -341,7 +344,8 @@ int do_writeprotect_boot_set(int nargs, char **argv) value |= permanent ? EXT_CSD_BOOT_WP_B_PERM_WP_EN : EXT_CSD_BOOT_WP_B_PWR_WP_EN; - ret = write_extcsd_value(fd, EXT_CSD_BOOT_WP, value); + ret = write_extcsd_value(fd, EXT_CSD_BOOT_WP, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", @@ -508,7 +512,8 @@ int do_writeprotect_user_set(int nargs, char **argv) break; } if (user_wp != ext_csd[EXT_CSD_USER_WP]) { - ret = write_extcsd_value(fd, EXT_CSD_USER_WP, user_wp); + ret = write_extcsd_value(fd, EXT_CSD_USER_WP, user_wp, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Error setting EXT_CSD\n"); exit(1); @@ -526,7 +531,7 @@ int do_writeprotect_user_set(int nargs, char **argv) } if (wptype != WPTYPE_NONE) { ret = write_extcsd_value(fd, EXT_CSD_USER_WP, - ext_csd[EXT_CSD_USER_WP]); + ext_csd[EXT_CSD_USER_WP], SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Error restoring EXT_CSD\n"); exit(1); @@ -571,7 +576,8 @@ int do_disable_512B_emulation(int nargs, char **argv) if (native_sector_size && !data_sector_size && (wr_rel_param & EN_REL_WR)) { - ret = write_extcsd_value(fd, EXT_CSD_USE_NATIVE_SECTOR, 1); + ret = write_extcsd_value(fd, EXT_CSD_USE_NATIVE_SECTOR, 1, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", @@ -650,7 +656,8 @@ int do_write_boot_en(int nargs, char **argv) else value &= ~EXT_CSD_PART_CONFIG_ACC_ACK; - ret = write_extcsd_value(fd, EXT_CSD_PART_CONFIG, value); + ret = write_extcsd_value(fd, EXT_CSD_PART_CONFIG, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", @@ -720,7 +727,8 @@ int do_boot_bus_conditions_set(int nargs, char **argv) printf("Changing ext_csd[BOOT_BUS_CONDITIONS] from 0x%02x to 0x%02x\n", ext_csd[EXT_CSD_BOOT_BUS_CONDITIONS], value); - ret = write_extcsd_value(fd, EXT_CSD_BOOT_BUS_CONDITIONS, value); + ret = write_extcsd_value(fd, EXT_CSD_BOOT_BUS_CONDITIONS, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", @@ -771,7 +779,8 @@ int do_hwreset(int value, int nargs, char **argv) exit(1); } - ret = write_extcsd_value(fd, EXT_CSD_RST_N_FUNCTION, value); + ret = write_extcsd_value(fd, EXT_CSD_RST_N_FUNCTION, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", @@ -825,9 +834,11 @@ int do_write_bkops_en(int nargs, char **argv) fprintf(stderr, "%s doesn't support AUTO_EN in the BKOPS_EN register\n", device); exit(1); } - ret = write_extcsd_value(fd, EXT_CSD_BKOPS_EN, BKOPS_AUTO_ENABLE); + ret = write_extcsd_value(fd, EXT_CSD_BKOPS_EN, BKOPS_AUTO_ENABLE, + SWITCH_TIMEOUT_MS); } else if (strcmp(en_type, "manual") == 0) { - ret = write_extcsd_value(fd, EXT_CSD_BKOPS_EN, BKOPS_MAN_ENABLE); + ret = write_extcsd_value(fd, EXT_CSD_BKOPS_EN, BKOPS_MAN_ENABLE, + SWITCH_TIMEOUT_MS); } else { fprintf(stderr, "%s invalid mode for BKOPS_EN requested: %s. Valid options: auto or manual\n", en_type, device); exit(1); @@ -1002,7 +1013,8 @@ int set_partitioning_setting_completed(int dry_run, const char * const device, } fprintf(stderr, "setting OTP PARTITION_SETTING_COMPLETED!\n"); - ret = write_extcsd_value(fd, EXT_CSD_PARTITION_SETTING_COMPLETED, 0x1); + ret = write_extcsd_value(fd, EXT_CSD_PARTITION_SETTING_COMPLETED, 0x1, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x1 to " "EXT_CSD[%d] in %s\n", @@ -1188,7 +1200,8 @@ int do_create_gp_partition(int nargs, char **argv) gp_size_mult = (length_kib + align/2l) / align; /* set EXT_CSD_ERASE_GROUP_DEF bit 0 */ - ret = write_extcsd_value(fd, EXT_CSD_ERASE_GROUP_DEF, 0x1); + ret = write_extcsd_value(fd, EXT_CSD_ERASE_GROUP_DEF, 0x1, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x1 to EXT_CSD[%d] in %s\n", EXT_CSD_ERASE_GROUP_DEF, device); @@ -1197,7 +1210,7 @@ int do_create_gp_partition(int nargs, char **argv) value = (gp_size_mult >> 16) & 0xff; address = EXT_CSD_GP_SIZE_MULT_1_2 + (partition - 1) * 3; - ret = write_extcsd_value(fd, address, value); + ret = write_extcsd_value(fd, address, value, SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", value, address, device); @@ -1205,7 +1218,7 @@ int do_create_gp_partition(int nargs, char **argv) } value = (gp_size_mult >> 8) & 0xff; address = EXT_CSD_GP_SIZE_MULT_1_1 + (partition - 1) * 3; - ret = write_extcsd_value(fd, address, value); + ret = write_extcsd_value(fd, address, value, SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", value, address, device); @@ -1213,7 +1226,7 @@ int do_create_gp_partition(int nargs, char **argv) } value = gp_size_mult & 0xff; address = EXT_CSD_GP_SIZE_MULT_1_0 + (partition - 1) * 3; - ret = write_extcsd_value(fd, address, value); + ret = write_extcsd_value(fd, address, value, SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", value, address, device); @@ -1226,7 +1239,8 @@ int do_create_gp_partition(int nargs, char **argv) else value &= ~(1 << partition); - ret = write_extcsd_value(fd, EXT_CSD_PARTITIONS_ATTRIBUTE, value); + ret = write_extcsd_value(fd, EXT_CSD_PARTITIONS_ATTRIBUTE, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write EXT_CSD_ENH_%x to EXT_CSD[%d] in %s\n", partition, EXT_CSD_PARTITIONS_ATTRIBUTE, device); @@ -1240,7 +1254,7 @@ int do_create_gp_partition(int nargs, char **argv) else value &= (0xF << (4 * ((partition % 2)))); - ret = write_extcsd_value(fd, address, value); + ret = write_extcsd_value(fd, address, value, SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%x to EXT_CSD[%d] in %s\n", value, address, device); @@ -1317,7 +1331,8 @@ int do_enh_area_set(int nargs, char **argv) enh_start_addr *= align; /* set EXT_CSD_ERASE_GROUP_DEF bit 0 */ - ret = write_extcsd_value(fd, EXT_CSD_ERASE_GROUP_DEF, 0x1); + ret = write_extcsd_value(fd, EXT_CSD_ERASE_GROUP_DEF, 0x1, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x1 to " "EXT_CSD[%d] in %s\n", @@ -1327,7 +1342,8 @@ int do_enh_area_set(int nargs, char **argv) /* write to ENH_START_ADDR and ENH_SIZE_MULT and PARTITIONS_ATTRIBUTE's ENH_USR bit */ value = (enh_start_addr >> 24) & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_3, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_3, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1335,7 +1351,8 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = (enh_start_addr >> 16) & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_2, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_2, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1343,7 +1360,8 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = (enh_start_addr >> 8) & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_1, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_1, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1351,7 +1369,8 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = enh_start_addr & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_0, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_0, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1360,7 +1379,8 @@ int do_enh_area_set(int nargs, char **argv) } value = (enh_size_mult >> 16) & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_2, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_2, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1368,7 +1388,7 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = (enh_size_mult >> 8) & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_1, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_1, value, SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1376,7 +1396,8 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = enh_size_mult & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_0, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_0, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1384,7 +1405,8 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = ext_csd[EXT_CSD_PARTITIONS_ATTRIBUTE] | EXT_CSD_ENH_USR; - ret = write_extcsd_value(fd, EXT_CSD_PARTITIONS_ATTRIBUTE, value); + ret = write_extcsd_value(fd, EXT_CSD_PARTITIONS_ATTRIBUTE, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write EXT_CSD_ENH_USR to " "EXT_CSD[%d] in %s\n", @@ -1455,7 +1477,8 @@ int do_write_reliability_set(int nargs, char **argv) } value = ext_csd[EXT_CSD_WR_REL_SET] | (1<