diff options
Diffstat (limited to 'pkgs/patches-linux-5.15/410-block-fit-partition-parser.patch')
| -rw-r--r-- | pkgs/patches-linux-5.15/410-block-fit-partition-parser.patch | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/pkgs/patches-linux-5.15/410-block-fit-partition-parser.patch b/pkgs/patches-linux-5.15/410-block-fit-partition-parser.patch new file mode 100644 index 0000000..96c89f4 --- /dev/null +++ b/pkgs/patches-linux-5.15/410-block-fit-partition-parser.patch @@ -0,0 +1,214 @@ +From 69357074558daf6ff24c9f58714935e9e095a865 Mon Sep 17 00:00:00 2001 +From: OpenWrt community <openwrt-devel@lists.openwrt.org> +Date: Wed, 13 Jul 2022 13:37:33 +0200 +Subject: [PATCH] kernel: add block fit partition parser + +--- + block/blk.h | 2 ++ + block/partitions/Kconfig | 7 +++++++ + block/partitions/Makefile | 1 + + block/partitions/check.h | 3 +++ + block/partitions/core.c | 17 +++++++++++++++++ + block/partitions/efi.c | 8 ++++++++ + block/partitions/efi.h | 3 +++ + block/partitions/msdos.c | 10 ++++++++++ + drivers/mtd/mtd_blkdevs.c | 2 ++ + drivers/mtd/ubi/block.c | 3 +++ + include/linux/msdos_partition.h | 1 + + 11 files changed, 57 insertions(+) + +--- a/block/blk.h ++++ b/block/blk.h +@@ -354,6 +354,8 @@ void blk_free_ext_minor(unsigned int min + #define ADDPART_FLAG_NONE 0 + #define ADDPART_FLAG_RAID 1 + #define ADDPART_FLAG_WHOLEDISK 2 ++#define ADDPART_FLAG_READONLY 4 ++#define ADDPART_FLAG_ROOTDEV 8 + int bdev_add_partition(struct gendisk *disk, int partno, sector_t start, + sector_t length); + int bdev_del_partition(struct gendisk *disk, int partno); +--- a/block/partitions/Kconfig ++++ b/block/partitions/Kconfig +@@ -101,6 +101,13 @@ config ATARI_PARTITION + Say Y here if you would like to use hard disks under Linux which + were partitioned under the Atari OS. + ++config FIT_PARTITION ++ bool "Flattened-Image-Tree (FIT) partition support" if PARTITION_ADVANCED ++ default n ++ help ++ Say Y here if your system needs to mount the filesystem part of ++ a Flattened-Image-Tree (FIT) image commonly used with Das U-Boot. ++ + config IBM_PARTITION + bool "IBM disk label and partition support" + depends on PARTITION_ADVANCED && S390 +--- a/block/partitions/Makefile ++++ b/block/partitions/Makefile +@@ -8,6 +8,7 @@ obj-$(CONFIG_ACORN_PARTITION) += acorn.o + obj-$(CONFIG_AMIGA_PARTITION) += amiga.o + obj-$(CONFIG_ATARI_PARTITION) += atari.o + obj-$(CONFIG_AIX_PARTITION) += aix.o ++obj-$(CONFIG_FIT_PARTITION) += fit.o + obj-$(CONFIG_CMDLINE_PARTITION) += cmdline.o + obj-$(CONFIG_MAC_PARTITION) += mac.o + obj-$(CONFIG_LDM_PARTITION) += ldm.o +--- a/block/partitions/check.h ++++ b/block/partitions/check.h +@@ -58,6 +58,7 @@ int amiga_partition(struct parsed_partit + int atari_partition(struct parsed_partitions *state); + int cmdline_partition(struct parsed_partitions *state); + int efi_partition(struct parsed_partitions *state); ++int fit_partition(struct parsed_partitions *state); + int ibm_partition(struct parsed_partitions *); + int karma_partition(struct parsed_partitions *state); + int ldm_partition(struct parsed_partitions *state); +@@ -68,3 +69,5 @@ int sgi_partition(struct parsed_partitio + int sun_partition(struct parsed_partitions *state); + int sysv68_partition(struct parsed_partitions *state); + int ultrix_partition(struct parsed_partitions *state); ++ ++int parse_fit_partitions(struct parsed_partitions *state, u64 start_sector, u64 nr_sectors, int *slot, int add_remain); +--- a/block/partitions/core.c ++++ b/block/partitions/core.c +@@ -12,6 +12,10 @@ + #include <linux/vmalloc.h> + #include <linux/blktrace_api.h> + #include <linux/raid/detect.h> ++#ifdef CONFIG_FIT_PARTITION ++#include <linux/root_dev.h> ++#endif ++ + #include "check.h" + + static int (*check_part[])(struct parsed_partitions *) = { +@@ -48,6 +52,9 @@ static int (*check_part[])(struct parsed + #ifdef CONFIG_EFI_PARTITION + efi_partition, /* this must come before msdos */ + #endif ++#ifdef CONFIG_FIT_PARTITION ++ fit_partition, ++#endif + #ifdef CONFIG_SGI_PARTITION + sgi_partition, + #endif +@@ -408,6 +415,11 @@ static struct block_device *add_partitio + goto out_del; + } + ++#ifdef CONFIG_FIT_PARTITION ++ if (flags & ADDPART_FLAG_READONLY) ++ bdev->bd_read_only = true; ++#endif ++ + /* everything is up and running, commence */ + err = xa_insert(&disk->part_tbl, partno, bdev, GFP_KERNEL); + if (err) +@@ -598,6 +610,11 @@ static bool blk_add_partition(struct gen + (state->parts[p].flags & ADDPART_FLAG_RAID)) + md_autodetect_dev(part->bd_dev); + ++#ifdef CONFIG_FIT_PARTITION ++ if ((state->parts[p].flags & ADDPART_FLAG_ROOTDEV) && ROOT_DEV == 0) ++ ROOT_DEV = part->bd_dev; ++#endif ++ + return true; + } + +--- a/block/partitions/efi.c ++++ b/block/partitions/efi.c +@@ -716,6 +716,9 @@ int efi_partition(struct parsed_partitio + gpt_entry *ptes = NULL; + u32 i; + unsigned ssz = queue_logical_block_size(state->disk->queue) / 512; ++#ifdef CONFIG_FIT_PARTITION ++ u32 extra_slot = 64; ++#endif + + if (!find_valid_gpt(state, &gpt, &ptes) || !gpt || !ptes) { + kfree(gpt); +@@ -749,6 +752,11 @@ int efi_partition(struct parsed_partitio + ARRAY_SIZE(ptes[i].partition_name)); + utf16_le_to_7bit(ptes[i].partition_name, label_max, info->volname); + state->parts[i + 1].has_info = true; ++#ifdef CONFIG_FIT_PARTITION ++ /* If this is a U-Boot FIT volume it may have subpartitions */ ++ if (!efi_guidcmp(ptes[i].partition_type_guid, PARTITION_LINUX_FIT_GUID)) ++ (void) parse_fit_partitions(state, start * ssz, size * ssz, &extra_slot, 1); ++#endif + } + kfree(ptes); + kfree(gpt); +--- a/block/partitions/efi.h ++++ b/block/partitions/efi.h +@@ -52,6 +52,9 @@ + #define PARTITION_LINUX_LVM_GUID \ + EFI_GUID( 0xe6d6d379, 0xf507, 0x44c2, \ + 0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28) ++#define PARTITION_LINUX_FIT_GUID \ ++ EFI_GUID( 0xcae9be83, 0xb15f, 0x49cc, \ ++ 0x86, 0x3f, 0x08, 0x1b, 0x74, 0x4a, 0x2d, 0x93) + + typedef struct _gpt_header { + __le64 signature; +--- a/block/partitions/msdos.c ++++ b/block/partitions/msdos.c +@@ -564,6 +564,15 @@ static void parse_minix(struct parsed_pa + #endif /* CONFIG_MINIX_SUBPARTITION */ + } + ++static void parse_fit_mbr(struct parsed_partitions *state, ++ sector_t offset, sector_t size, int origin) ++{ ++#ifdef CONFIG_FIT_PARTITION ++ u32 extra_slot = 64; ++ (void) parse_fit_partitions(state, offset, size, &extra_slot, 1); ++#endif /* CONFIG_FIT_PARTITION */ ++} ++ + static struct { + unsigned char id; + void (*parse)(struct parsed_partitions *, sector_t, sector_t, int); +@@ -575,6 +584,7 @@ static struct { + {UNIXWARE_PARTITION, parse_unixware}, + {SOLARIS_X86_PARTITION, parse_solaris_x86}, + {NEW_SOLARIS_X86_PARTITION, parse_solaris_x86}, ++ {FIT_PARTITION, parse_fit_mbr}, + {0, NULL}, + }; + +--- a/drivers/mtd/mtd_blkdevs.c ++++ b/drivers/mtd/mtd_blkdevs.c +@@ -345,6 +345,8 @@ int add_mtd_blktrans_dev(struct mtd_blkt + gd->first_minor = (new->devnum) << tr->part_bits; + gd->minors = 1 << tr->part_bits; + gd->fops = &mtd_block_ops; ++ if (IS_ENABLED(CONFIG_FIT_PARTITION) && !mtd_type_is_nand(new->mtd)) ++ gd->flags |= GENHD_FL_EXT_DEVT; + + if (tr->part_bits) + if (new->devnum < 26) +--- a/drivers/mtd/ubi/block.c ++++ b/drivers/mtd/ubi/block.c +@@ -428,6 +428,9 @@ int ubiblock_create(struct ubi_volume_in + goto out_cleanup_disk; + } + gd->private_data = dev; ++#ifdef CONFIG_FIT_PARTITION ++ gd->flags |= GENHD_FL_EXT_DEVT; ++#endif + sprintf(gd->disk_name, "ubiblock%d_%d", dev->ubi_num, dev->vol_id); + set_capacity(gd, disk_capacity); + dev->gd = gd; +--- a/include/linux/msdos_partition.h ++++ b/include/linux/msdos_partition.h +@@ -31,6 +31,7 @@ enum msdos_sys_ind { + LINUX_LVM_PARTITION = 0x8e, + LINUX_RAID_PARTITION = 0xfd, /* autodetect RAID partition */ + ++ FIT_PARTITION = 0x2e, /* U-Boot uImage.FIT */ + SOLARIS_X86_PARTITION = 0x82, /* also Linux swap partitions */ + NEW_SOLARIS_X86_PARTITION = 0xbf, + |