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Tue, 09 Apr 2024 06:55:56 -0700 (PDT) From: Caleb Connolly Date: Tue, 09 Apr 2024 15:55:52 +0200 Subject: [PATCH 1/2] dfu: add scsi backend MIME-Version: 1.0 Message-Id: <20240409-b4-dfu-scsi-v1-1-3e1441a60376@linaro.org> References: <20240409-b4-dfu-scsi-v1-0-3e1441a60376@linaro.org> In-Reply-To: <20240409-b4-dfu-scsi-v1-0-3e1441a60376@linaro.org> To: Tom Rini , Simon Glass , Lukasz Majewski , Mattijs Korpershoek Cc: Neil Armstrong , Sumit Garg , Ilias Apalodimas , u-boot@lists.denx.de, Caleb Connolly X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=17387; i=caleb.connolly@linaro.org; h=from:subject:message-id; bh=cs5uiG8vmgbzSr2VaolCor9ztnNHhWq1Wg/Zpy6t2xE=; b=owEBbQKS/ZANAwAIAQWDMSsZX2S2AcsmYgBmFUjqXaKREtu/myXchmz0RKJ+u3e0wgQbjvEqY KTDhCv2Z7eJAjMEAAEIAB0WIQS2UaFGPGq+0GkMVc0FgzErGV9ktgUCZhVI6gAKCRAFgzErGV9k tkBTD/0dX2EDQoz+5wpYi3f6x4xjtos/y6C++fZVgY4x5DinBTTD1mLCJ0rqTgg64NIZlAN4dTB ibVBGcgoYkeYbFyONW7ilVjQU8hnGs2jkH8LPWtTqCbeJ862j8FI1KUurP3pWO5GaMec7dXKfIt YljvROs3keHhd3EeP9xL8zxI3MJz239vWEe+7tgBMHBVrte4jVl9S3+tBCymc8WZxW8DU7ryIlb woV/5N+kK66WPjYHmEkbh0mVpYNi11BowFqf+teQ3ZpW+VyGjXyOUIYvU9RUCY5+p4ujkmKKNNy K+/No7cNGnGDBrusC3jYfprUUJdckkXLbp/BkW9+/NK+EvxA+65KuaHSN8wQsgOj+JbW8A7nTs6 1dmCk1pXjKb2gbtpLgTIXghU2O5c/IIZ/eW84hKLWbVCnbECJLKdYSdS+3ekmCa/qzD9I+x8tKO Jm1Ao0d4kuwnmpnybg3P8kW6b9kCx7SV0t65tFd4a/CZA9tptV0UJanMbpOLq8MBU10kE5hj8yp hijJfmuZz4Cca15iIRqDpS+abuDL9rmymk+Pmmc9D6FqlN76IoNq/6UhIkpWZrjq2/Z4V934PbM IDC/ST1N7A6NJUvb+jQlqXBDpgfxnm/c6xFey6O05aPxYAoL3BrbuZ1G3ve3TxsNnMWsPfB1UbT pKsgj77GWLyMoFQ== X-Developer-Key: i=caleb.connolly@linaro.org; a=openpgp; fpr=83B24DA7FE145076BC38BB250CD904EB673A7C47 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 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" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean This is extremely similar to the MMC backend, but there are some notable differences. Works with a DFU string like scsi 4=u-boot-bin part 11 Where "4" is the SCSI dev number (sequential LUN across all SCSI devices) and "11" is the partition number. Signed-off-by: Caleb Connolly --- doc/usage/dfu.rst | 31 ++++ drivers/dfu/Kconfig | 7 + drivers/dfu/Makefile | 1 + drivers/dfu/dfu.c | 5 +- drivers/dfu/dfu_scsi.c | 437 +++++++++++++++++++++++++++++++++++++++++++++++++ include/dfu.h | 26 +++ 6 files changed, 506 insertions(+), 1 deletion(-) diff --git a/doc/usage/dfu.rst b/doc/usage/dfu.rst index 8cc09c308d82..dc4f8d672f99 100644 --- a/doc/usage/dfu.rst +++ b/doc/usage/dfu.rst @@ -166,8 +166,38 @@ mmc Please note that this means the user will be able to execute any arbitrary commands just like in the u-boot's shell. +scsi + for UFS storage:: + + dfu 0 scsi + + each element in *dfu_alt_info* being + + * raw raw access to SCSI LUN + * part raw access to partition + * fat file in FAT partition + * ext4 file in EXT4 partition + * skip 0 0 ignore flashed data + * script 0 0 execute commands in shell + + with + + size + is the size of the access area (hexadecimal without "0x") + or 0 which means whole device + partid + is the GPT or DOS partition index. + dev + is the SCSI LU (Logical Unit) index (decimal only) + + A value of environment variable *dfu_alt_info* for UFS could be:: + + u-boot part 4;bl2 raw 0x1e 0x1d + + See mmc section above for details on the skip and script types. + nand raw slc nand device:: dfu 0 nand @@ -277,8 +307,9 @@ alternate list separated by '&' with the same format for each :: mmc =;....; nand =;....; ram =;....; + scsi =;....; sf =;....; mtd =;....; virt =;....; diff --git a/drivers/dfu/Kconfig b/drivers/dfu/Kconfig index 0360d9da1427..158c660e6c4e 100644 --- a/drivers/dfu/Kconfig +++ b/drivers/dfu/Kconfig @@ -86,8 +86,15 @@ config DFU_VIRT This option enables using DFU to read and write to VIRTUAL device used at board level to manage specific behavior (OTP update for example). +config DFU_SCSI + bool "SCSI flash back end for DFU" + help + This option enables using DFU to read and write to SCSI devices + used at board level to manage specific behavior + (OTP update for example). + config SET_DFU_ALT_INFO bool "Dynamic set of DFU alternate information" help This option allows to call the function set_dfu_alt_info to diff --git a/drivers/dfu/Makefile b/drivers/dfu/Makefile index dfbf64da6677..3b3ba0994b3a 100644 --- a/drivers/dfu/Makefile +++ b/drivers/dfu/Makefile @@ -10,4 +10,5 @@ obj-$(CONFIG_$(SPL_)DFU_NAND) += dfu_nand.o obj-$(CONFIG_$(SPL_)DFU_RAM) += dfu_ram.o obj-$(CONFIG_$(SPL_)DFU_SF) += dfu_sf.o obj-$(CONFIG_$(SPL_)DFU_WRITE_ALT) += dfu_alt.o obj-$(CONFIG_$(SPL_)DFU_VIRT) += dfu_virt.o +obj-$(CONFIG_$(SPL_)DFU_SCSI) += dfu_scsi.o diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c index 2adf26e2fe24..8024ad98a7dc 100644 --- a/drivers/dfu/dfu.c +++ b/drivers/dfu/dfu.c @@ -548,8 +548,11 @@ static int dfu_fill_entity(struct dfu_entity *dfu, char *s, int alt, return -1; } else if (strcmp(interface, "virt") == 0) { if (dfu_fill_entity_virt(dfu, devstr, argv, argc)) return -1; + } else if (strcmp(interface, "scsi") == 0) { + if (dfu_fill_entity_scsi(dfu, devstr, argv, argc)) + return -1; } else { printf("%s: Device %s not (yet) supported!\n", __func__, interface); return -1; @@ -644,9 +647,9 @@ int dfu_config_entities(char *env, char *interface, char *devstr) const char *dfu_get_dev_type(enum dfu_device_type t) { const char *const dev_t[] = {NULL, "eMMC", "OneNAND", "NAND", "RAM", - "SF", "MTD", "VIRT"}; + "SF", "MTD", "VIRT", "SCSI"}; return dev_t[t]; } const char *dfu_get_layout(enum dfu_layout l) diff --git a/drivers/dfu/dfu_scsi.c b/drivers/dfu/dfu_scsi.c new file mode 100644 index 000000000000..63c3bcffe769 --- /dev/null +++ b/drivers/dfu/dfu_scsi.c @@ -0,0 +1,437 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * DFU SCSI backend (based on MMC backend). + * + * Copyright (C) 2012 Samsung Electronics + * author: Lukasz Majewski + * Copyright (C) 2024 Linaro Ltd. + */ + +#define LOG_DEBUG + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static unsigned char *dfu_file_buf; +static u64 dfu_file_buf_len; +static u64 dfu_file_buf_offset; + +#define scsi_get_blk_desc(dev) ((struct blk_desc *)dev_get_uclass_plat(dev)) + +#define find_scsi_device(dev_num, scsi) blk_get_device(UCLASS_SCSI, dev_num, scsi) + +static int scsi_block_op(enum dfu_op op, struct dfu_entity *dfu, u64 offset, void *buf, long *len) +{ + struct udevice *scsi; + u32 blk_start, blk_count, n = 0; + int ret; + + ret = find_scsi_device(dfu->data.scsi.lun, &scsi); + if (ret < 0) { + pr_err("Device SCSI %d - not found!", dfu->data.scsi.lun); + return -ENODEV; + } + + /* + * We must ensure that we work in lba_blk_size chunks, so ALIGN + * this value. + */ + *len = ALIGN(*len, dfu->data.scsi.lba_blk_size); + + blk_start = dfu->data.scsi.lba_start + (u32)lldiv(offset, dfu->data.scsi.lba_blk_size); + blk_count = *len / dfu->data.scsi.lba_blk_size; + if (blk_start + blk_count > dfu->data.scsi.lba_start + dfu->data.scsi.lba_size) { + puts("Request would exceed designated area!\n"); + return -EINVAL; + } + + debug("%s: %s dev: %d start: %d cnt: %d buf: 0x%p\n", __func__, + op == DFU_OP_READ ? "scsi READ" : "scsi WRITE", dfu->data.scsi.lun, blk_start, + blk_count, buf); + switch (op) { + case DFU_OP_READ: + n = blk_dread(scsi_get_blk_desc(scsi), blk_start, blk_count, buf); + break; + case DFU_OP_WRITE: + n = blk_dwrite(scsi_get_blk_desc(scsi), blk_start, blk_count, buf); + break; + default: + pr_err("Operation not supported\n"); + } + + if (n != blk_count) { + pr_err("scsi block operation failed"); + return -EIO; + } + + return 0; +} + +static int scsi_file_op(enum dfu_op op, struct dfu_entity *dfu, u64 offset, void *buf, u64 *len) +{ + char dev_part_str[8]; + int ret; + int fstype; + loff_t size = 0; + + switch (dfu->layout) { + case DFU_FS_FAT: + fstype = FS_TYPE_FAT; + break; + case DFU_FS_EXT4: + fstype = FS_TYPE_EXT; + break; + case DFU_SKIP: + return 0; + default: + printf("%s: Layout (%s) not (yet) supported!\n", __func__, + dfu_get_layout(dfu->layout)); + return -1; + } + + snprintf(dev_part_str, sizeof(dev_part_str), "%d:%d", dfu->data.scsi.dev, + dfu->data.scsi.part); + + ret = fs_set_blk_dev("scsi", dev_part_str, fstype); + if (ret) { + puts("dfu: fs_set_blk_dev error!\n"); + return ret; + } + + switch (op) { + case DFU_OP_READ: + ret = fs_read(dfu->name, (size_t)buf, offset, *len, &size); + if (ret) { + puts("dfu: fs_read error!\n"); + return ret; + } + *len = size; + break; + case DFU_OP_WRITE: + ret = fs_write(dfu->name, (size_t)buf, offset, *len, &size); + if (ret) { + puts("dfu: fs_write error!\n"); + return ret; + } + break; + case DFU_OP_SIZE: + ret = fs_size(dfu->name, &size); + if (ret) { + puts("dfu: fs_size error!\n"); + return ret; + } + *len = size; + break; + default: + return -1; + } + + return ret; +} + +static int scsi_file_buf_write(struct dfu_entity *dfu, u64 offset, void *buf, long *len) +{ + int ret = 0; + + if (offset == 0) { + dfu_file_buf_len = 0; + dfu_file_buf_offset = 0; + } + + /* Add to the current buffer. */ + if (dfu_file_buf_len + *len > CONFIG_SYS_DFU_MAX_FILE_SIZE) + *len = CONFIG_SYS_DFU_MAX_FILE_SIZE - dfu_file_buf_len; + memcpy(dfu_file_buf + dfu_file_buf_len, buf, *len); + dfu_file_buf_len += *len; + + if (dfu_file_buf_len == CONFIG_SYS_DFU_MAX_FILE_SIZE) { + ret = scsi_file_op(DFU_OP_WRITE, dfu, dfu_file_buf_offset, dfu_file_buf, + &dfu_file_buf_len); + dfu_file_buf_offset += dfu_file_buf_len; + dfu_file_buf_len = 0; + } + + return ret; +} + +static int scsi_file_buf_write_finish(struct dfu_entity *dfu) +{ + int ret = scsi_file_op(DFU_OP_WRITE, dfu, dfu_file_buf_offset, dfu_file_buf, + &dfu_file_buf_len); + + /* Now that we're done */ + dfu_file_buf_len = 0; + dfu_file_buf_offset = 0; + + return ret; +} + +int dfu_write_medium_scsi(struct dfu_entity *dfu, u64 offset, void *buf, long *len) +{ + int ret = -1; + + switch (dfu->layout) { + case DFU_RAW_ADDR: + ret = scsi_block_op(DFU_OP_WRITE, dfu, offset, buf, len); + break; + case DFU_FS_FAT: + case DFU_FS_EXT4: + ret = scsi_file_buf_write(dfu, offset, buf, len); + break; + case DFU_SCRIPT: + ret = run_command_list(buf, *len, 0); + break; + case DFU_SKIP: + ret = 0; + break; + default: + printf("%s: Layout (%s) not (yet) supported!\n", __func__, + dfu_get_layout(dfu->layout)); + } + + return ret; +} + +int dfu_flush_medium_scsi(struct dfu_entity *dfu) +{ + int ret = 0; + + switch (dfu->layout) { + case DFU_FS_FAT: + case DFU_FS_EXT4: + ret = scsi_file_buf_write_finish(dfu); + break; + case DFU_SCRIPT: + /* script may have changed the dfu_alt_info */ + dfu_reinit_needed = true; + break; + case DFU_RAW_ADDR: + case DFU_SKIP: + break; + default: + printf("%s: Layout (%s) not (yet) supported!\n", __func__, + dfu_get_layout(dfu->layout)); + } + + return ret; +} + +int dfu_get_medium_size_scsi(struct dfu_entity *dfu, u64 *size) +{ + int ret; + + switch (dfu->layout) { + case DFU_RAW_ADDR: + *size = dfu->data.scsi.lba_size * dfu->data.scsi.lba_blk_size; + return 0; + case DFU_FS_FAT: + case DFU_FS_EXT4: + ret = scsi_file_op(DFU_OP_SIZE, dfu, 0, NULL, size); + if (ret < 0) + return ret; + return 0; + case DFU_SCRIPT: + case DFU_SKIP: + return 0; + default: + printf("%s: Layout (%s) not (yet) supported!\n", __func__, + dfu_get_layout(dfu->layout)); + return -1; + } +} + +static int scsi_file_buf_read(struct dfu_entity *dfu, u64 offset, void *buf, long *len) +{ + int ret; + + if (offset == 0 || offset >= dfu_file_buf_offset + dfu_file_buf_len || + offset + *len < dfu_file_buf_offset) { + u64 file_len = CONFIG_SYS_DFU_MAX_FILE_SIZE; + + ret = scsi_file_op(DFU_OP_READ, dfu, offset, dfu_file_buf, &file_len); + if (ret < 0) + return ret; + dfu_file_buf_len = file_len; + dfu_file_buf_offset = offset; + } + if (offset + *len > dfu_file_buf_offset + dfu_file_buf_len) + return -EINVAL; + + /* Add to the current buffer. */ + memcpy(buf, dfu_file_buf + offset - dfu_file_buf_offset, *len); + + return 0; +} + +int dfu_read_medium_scsi(struct dfu_entity *dfu, u64 offset, void *buf, long *len) +{ + int ret = -1; + + switch (dfu->layout) { + case DFU_RAW_ADDR: + ret = scsi_block_op(DFU_OP_READ, dfu, offset, buf, len); + break; + case DFU_FS_FAT: + case DFU_FS_EXT4: + ret = scsi_file_buf_read(dfu, offset, buf, len); + break; + default: + printf("%s: Layout (%s) not (yet) supported!\n", __func__, + dfu_get_layout(dfu->layout)); + } + + return ret; +} + +void dfu_free_entity_scsi(struct dfu_entity *dfu) +{ + if (dfu_file_buf) { + free(dfu_file_buf); + dfu_file_buf = NULL; + } +} + +/* + * @param s Parameter string containing space-separated arguments: + * 1st: + * raw (raw read/write) + * fat (files) + * ext4 (^) + * part (partition image) + * 2nd and 3rd: + * lba_start and lba_size, for raw write + * scsi_dev and scsi_part, for filesystems and part + */ +int dfu_fill_entity_scsi(struct dfu_entity *dfu, char *devstr, char **argv, int argc) +{ + const char *entity_type; + ssize_t second_arg; + ssize_t third_arg = -1; + struct udevice *scsi; + struct blk_desc *blk_dev; + int ret; + char *s; + + if (argc < 2) { + pr_err("Need at least one argument\n"); + return -EINVAL; + } + + dfu->data.scsi.lun = dectoul(devstr, &s); + if (*s) + return -EINVAL; + + entity_type = argv[0]; + /* + * Base 0 means we'll accept (prefixed with 0x or 0) base 16, 8, + * with default 10. + */ + second_arg = simple_strtol(argv[1], &s, 0); + if (*s) + return -EINVAL; + if (argc >= 3) { + third_arg = simple_strtoul(argv[2], &s, 0); + if (*s) + return -EINVAL; + } + + if (scsi_scan(false)) { + pr_err("Couldn't init scsi device.\n"); + return -ENODEV; + } + + ret = find_scsi_device(dfu->data.scsi.lun, &scsi); + if (ret < 0) { + pr_err("Couldn't find scsi device no. %d.\n", dfu->data.scsi.lun); + return -ENODEV; + } + + blk_dev = scsi_get_blk_desc(scsi); + if (!blk_dev) { + pr_err("Couldn't get block device for scsi device no. %d.\n", dfu->data.scsi.lun); + return -ENODEV; + } + + /* if it's NOT a raw write */ + if (strcmp(entity_type, "raw")) { + dfu->data.scsi.dev = (second_arg != -1) ? second_arg : dfu->data.scsi.lun; + dfu->data.scsi.part = third_arg; + } + + if (!strcmp(entity_type, "raw")) { + dfu->layout = DFU_RAW_ADDR; + dfu->data.scsi.lba_start = second_arg; + if (third_arg < 0) { + pr_err("raw requires two arguments\n"); + return -EINVAL; + } + dfu->data.scsi.lba_size = third_arg; + dfu->data.scsi.lba_blk_size = blk_dev->blksz; + + /* + * In case the size is zero (i.e. scsi raw 0x10 0), + * assume the user intends to use whole device. + */ + if (third_arg == 0) + dfu->data.scsi.lba_size = blk_dev->lba; + + } else if (!strcmp(entity_type, "part")) { + struct disk_partition partinfo; + int scsipart = second_arg; + + if (third_arg >= 0) { + pr_err("part only accepts one argument\n"); + return -EINVAL; + } + + if (part_get_info(blk_dev, scsipart, &partinfo) != 0) { + pr_err("Couldn't find part #%d on scsi device #%d\n", scsipart, + dfu->data.scsi.lun); + return -ENODEV; + } + + dfu->layout = DFU_RAW_ADDR; + dfu->data.scsi.lba_start = partinfo.start; + dfu->data.scsi.lba_size = partinfo.size; + dfu->data.scsi.lba_blk_size = partinfo.blksz; + } else if (!strcmp(entity_type, "fat")) { + dfu->layout = DFU_FS_FAT; + } else if (!strcmp(entity_type, "ext4")) { + dfu->layout = DFU_FS_EXT4; + } else if (!strcmp(entity_type, "skip")) { + dfu->layout = DFU_SKIP; + } else if (!strcmp(entity_type, "script")) { + dfu->layout = DFU_SCRIPT; + } else { + pr_err("Memory layout (%s) not supported!\n", entity_type); + return -ENODEV; + } + + dfu->dev_type = DFU_DEV_SCSI; + dfu->get_medium_size = dfu_get_medium_size_scsi; + dfu->read_medium = dfu_read_medium_scsi; + dfu->write_medium = dfu_write_medium_scsi; + dfu->flush_medium = dfu_flush_medium_scsi; + dfu->inited = 0; + dfu->free_entity = dfu_free_entity_scsi; + + /* Check if file buffer is ready */ + if (!dfu_file_buf) { + dfu_file_buf = memalign(CONFIG_SYS_CACHELINE_SIZE, CONFIG_SYS_DFU_MAX_FILE_SIZE); + if (!dfu_file_buf) { + pr_err("Could not memalign 0x%x bytes\n", CONFIG_SYS_DFU_MAX_FILE_SIZE); + return -ENOMEM; + } + } + + return 0; +} diff --git a/include/dfu.h b/include/dfu.h index fa1918cd6635..d7f365a7f1ce 100644 --- a/include/dfu.h +++ b/include/dfu.h @@ -23,8 +23,9 @@ enum dfu_device_type { DFU_DEV_RAM, DFU_DEV_SF, DFU_DEV_MTD, DFU_DEV_VIRT, + DFU_DEV_SCSI, }; enum dfu_layout { DFU_RAW_ADDR = 1, @@ -98,8 +99,20 @@ struct sf_internal_data { struct virt_internal_data { int dev_num; }; +struct scsi_internal_data { + int lun; + + /* RAW programming */ + unsigned int lba_start; + unsigned int lba_size; + unsigned int lba_blk_size; + + /* FAT/EXT */ + unsigned int dev; // Always 0??? + unsigned int part; +}; #if defined(CONFIG_DFU_NAME_MAX_SIZE) #define DFU_NAME_SIZE CONFIG_DFU_NAME_MAX_SIZE #else @@ -126,8 +139,9 @@ struct dfu_entity { struct nand_internal_data nand; struct ram_internal_data ram; struct sf_internal_data sf; struct virt_internal_data virt; + struct scsi_internal_data scsi; } data; int (*get_medium_size)(struct dfu_entity *dfu, u64 *size); @@ -516,8 +530,20 @@ static inline int dfu_fill_entity_virt(struct dfu_entity *dfu, char *devstr, return -1; } #endif +#if CONFIG_IS_ENABLED(DFU_SCSI) +int dfu_fill_entity_scsi(struct dfu_entity *dfu, char *devstr, + char **argv, int argc); +#else +static inline int dfu_fill_entity_scsi(struct dfu_entity *dfu, char *devstr, + char **argv, int argc) +{ + puts("SCSI support not available!\n"); + return -1; +} +#endif + extern bool dfu_reinit_needed; 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Tue, 09 Apr 2024 06:55:57 -0700 (PDT) From: Caleb Connolly Date: Tue, 09 Apr 2024 15:55:53 +0200 Subject: [PATCH 2/2] disk: expose partition type flags MIME-Version: 1.0 Message-Id: <20240409-b4-dfu-scsi-v1-2-3e1441a60376@linaro.org> References: <20240409-b4-dfu-scsi-v1-0-3e1441a60376@linaro.org> In-Reply-To: <20240409-b4-dfu-scsi-v1-0-3e1441a60376@linaro.org> To: Tom Rini , Simon Glass , Lukasz Majewski , Mattijs Korpershoek Cc: Neil Armstrong , Sumit Garg , Ilias Apalodimas , u-boot@lists.denx.de, Caleb Connolly X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1823; i=caleb.connolly@linaro.org; h=from:subject:message-id; bh=DEXhszI+R2DsevUMsbpCot+O+CpOwnI7AYx/ubweVA8=; b=owEBbQKS/ZANAwAIAQWDMSsZX2S2AcsmYgBmFUjqlmm2pddKUXq3uj7SfB5jc5wrBeNgUWOEy z7stAQPgnWJAjMEAAEIAB0WIQS2UaFGPGq+0GkMVc0FgzErGV9ktgUCZhVI6gAKCRAFgzErGV9k tggaEACVELl0qrOLNwhk6KE2VtT3cAOsCRbqTFNPGlN2YiJ5qj87+PqVITHRKrUrgSTNXe2/NZb MgAKWUKdNYIIt/9wghGNNIg16nMeLurKXUzQePnUUt3j48HjURNIqq2SvMG8CWlVeRTITKXhYv5 41BX38nuS6z+H7Gdw6nCa8uKv9ZQqxEdf8TpuLNRDBtWfFFg8R5MhD9SljqZn1SaYyWWo8tJBU6 lzm+0CtELISPLIEn4iKheqCSYvNFSwNvKbITVgRay+fOORMKIfpuRVJl+UJPkCu8/j/gNIBEAeI wPa1t5Qd1ztGCxtaV/zStLw1D8RsmEfy+8YzZna55ou5dePUiGg/8UFHKzlfPYG+GaMS985lmyj GVqbdMY/fOOJVyFQnSW0hijkKOuTVaP0N965a5htf6VoPmS9KINjT/9RD6Br+6hYVoLspbbkaqz V6Z8UIZF2cGvTDZcc9fQDjzEHVQy7qILxAuuxz7nrFCEn/dgvgLHENkaN6C8GEtcd9ZLnv8hnYx mACr79kH4Cm1IXWxiYuBPqdEnD5oISKN6cjT7QoSpHPNHwWJFO/DcTf5xqS4eQQUF2jqGxtNUCi KH2f6+9FydLGg3KJ9bDAgHyjgGtukoShwoaSmICR1b9pJCmtTZnTDMOgFZCpzCMZQE/B3+XjLHP 1mEZ/HOn6JJ3LeA== X-Developer-Key: i=caleb.connolly@linaro.org; a=openpgp; fpr=83B24DA7FE145076BC38BB250CD904EB673A7C47 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 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" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean GPT partition tables include two bytes worth of vendor defined attributes, per partition. ChromeOS and Qualcomm both use these (with different encoding!) to handle A/B slot switching with a retry counter. Expose these via the disk_partition struct so that they can be parsed by the relevant board code. This will be used on Qualcomm boards to determine which slot we're booting on so that we can flash capsule updates to the correct one. Signed-off-by: Caleb Connolly Reviewed-by: Ilias Apalodimas Reviewed-by: Mattijs Korpershoek --- disk/part_efi.c | 1 + include/part.h | 1 + 2 files changed, 2 insertions(+) diff --git a/disk/part_efi.c b/disk/part_efi.c index 4ce9243ef25c..d3ce4dd01dcd 100644 --- a/disk/part_efi.c +++ b/disk/part_efi.c @@ -292,8 +292,9 @@ int part_get_info_efi(struct blk_desc *desc, int part, snprintf((char *)info->name, sizeof(info->name), "%s", print_efiname(&gpt_pte[part - 1])); strcpy((char *)info->type, "U-Boot"); info->bootable = get_bootable(&gpt_pte[part - 1]); + info->type_flags = gpt_pte[part - 1].attributes.fields.type_guid_specific; if (CONFIG_IS_ENABLED(PARTITION_UUIDS)) { uuid_bin_to_str(gpt_pte[part - 1].unique_partition_guid.b, (char *)disk_partition_uuid(info), UUID_STR_FORMAT_GUID); diff --git a/include/part.h b/include/part.h index 32ee40488563..afae51f1b933 100644 --- a/include/part.h +++ b/include/part.h @@ -68,8 +68,9 @@ struct disk_partition { * PART_BOOTABLE the MBR bootable flag is set * PART_EFI_SYSTEM_PARTITION the partition is an EFI system partition */ int bootable; + u16 type_flags; /* top 16 bits of GPT partition attributes */ #if CONFIG_IS_ENABLED(PARTITION_UUIDS) char uuid[UUID_STR_LEN + 1]; /* filesystem UUID as string, if exists */ #endif #ifdef CONFIG_PARTITION_TYPE_GUID