diff options
author | RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
---|---|---|
committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/u-boot/include/mtd | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/include/mtd')
-rw-r--r-- | qemu/roms/u-boot/include/mtd/cfi_flash.h | 185 | ||||
-rw-r--r-- | qemu/roms/u-boot/include/mtd/mtd-abi.h | 197 | ||||
-rw-r--r-- | qemu/roms/u-boot/include/mtd/ubi-user.h | 256 |
3 files changed, 0 insertions, 638 deletions
diff --git a/qemu/roms/u-boot/include/mtd/cfi_flash.h b/qemu/roms/u-boot/include/mtd/cfi_flash.h deleted file mode 100644 index 048b4773f..000000000 --- a/qemu/roms/u-boot/include/mtd/cfi_flash.h +++ /dev/null @@ -1,185 +0,0 @@ -/* - * (C) Copyright 2009 - * Stefan Roese, DENX Software Engineering, sr@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __CFI_FLASH_H__ -#define __CFI_FLASH_H__ - -#define FLASH_CMD_CFI 0x98 -#define FLASH_CMD_READ_ID 0x90 -#define FLASH_CMD_RESET 0xff -#define FLASH_CMD_BLOCK_ERASE 0x20 -#define FLASH_CMD_ERASE_CONFIRM 0xD0 -#define FLASH_CMD_WRITE 0x40 -#define FLASH_CMD_PROTECT 0x60 -#define FLASH_CMD_SETUP 0x60 -#define FLASH_CMD_SET_CR_CONFIRM 0x03 -#define FLASH_CMD_PROTECT_SET 0x01 -#define FLASH_CMD_PROTECT_CLEAR 0xD0 -#define FLASH_CMD_CLEAR_STATUS 0x50 -#define FLASH_CMD_READ_STATUS 0x70 -#define FLASH_CMD_WRITE_TO_BUFFER 0xE8 -#define FLASH_CMD_WRITE_BUFFER_PROG 0xE9 -#define FLASH_CMD_WRITE_BUFFER_CONFIRM 0xD0 - -#define FLASH_STATUS_DONE 0x80 -#define FLASH_STATUS_ESS 0x40 -#define FLASH_STATUS_ECLBS 0x20 -#define FLASH_STATUS_PSLBS 0x10 -#define FLASH_STATUS_VPENS 0x08 -#define FLASH_STATUS_PSS 0x04 -#define FLASH_STATUS_DPS 0x02 -#define FLASH_STATUS_R 0x01 -#define FLASH_STATUS_PROTECT 0x01 - -#define AMD_CMD_RESET 0xF0 -#define AMD_CMD_WRITE 0xA0 -#define AMD_CMD_ERASE_START 0x80 -#define AMD_CMD_ERASE_SECTOR 0x30 -#define AMD_CMD_UNLOCK_START 0xAA -#define AMD_CMD_UNLOCK_ACK 0x55 -#define AMD_CMD_WRITE_TO_BUFFER 0x25 -#define AMD_CMD_WRITE_BUFFER_CONFIRM 0x29 -#define AMD_CMD_SET_PPB_ENTRY 0xC0 -#define AMD_CMD_SET_PPB_EXIT_BC1 0x90 -#define AMD_CMD_SET_PPB_EXIT_BC2 0x00 -#define AMD_CMD_PPB_UNLOCK_BC1 0x80 -#define AMD_CMD_PPB_UNLOCK_BC2 0x30 -#define AMD_CMD_PPB_LOCK_BC1 0xA0 -#define AMD_CMD_PPB_LOCK_BC2 0x00 - -#define AMD_STATUS_TOGGLE 0x40 -#define AMD_STATUS_ERROR 0x20 - -#define ATM_CMD_UNLOCK_SECT 0x70 -#define ATM_CMD_SOFTLOCK_START 0x80 -#define ATM_CMD_LOCK_SECT 0x40 - -#define FLASH_CONTINUATION_CODE 0x7F - -#define FLASH_OFFSET_MANUFACTURER_ID 0x00 -#define FLASH_OFFSET_DEVICE_ID 0x01 -#define FLASH_OFFSET_DEVICE_ID2 0x0E -#define FLASH_OFFSET_DEVICE_ID3 0x0F -#define FLASH_OFFSET_CFI 0x55 -#define FLASH_OFFSET_CFI_ALT 0x555 -#define FLASH_OFFSET_CFI_RESP 0x10 -#define FLASH_OFFSET_PRIMARY_VENDOR 0x13 -/* extended query table primary address */ -#define FLASH_OFFSET_EXT_QUERY_T_P_ADDR 0x15 -#define FLASH_OFFSET_WTOUT 0x1F -#define FLASH_OFFSET_WBTOUT 0x20 -#define FLASH_OFFSET_ETOUT 0x21 -#define FLASH_OFFSET_CETOUT 0x22 -#define FLASH_OFFSET_WMAX_TOUT 0x23 -#define FLASH_OFFSET_WBMAX_TOUT 0x24 -#define FLASH_OFFSET_EMAX_TOUT 0x25 -#define FLASH_OFFSET_CEMAX_TOUT 0x26 -#define FLASH_OFFSET_SIZE 0x27 -#define FLASH_OFFSET_INTERFACE 0x28 -#define FLASH_OFFSET_BUFFER_SIZE 0x2A -#define FLASH_OFFSET_NUM_ERASE_REGIONS 0x2C -#define FLASH_OFFSET_ERASE_REGIONS 0x2D -#define FLASH_OFFSET_PROTECT 0x02 -#define FLASH_OFFSET_USER_PROTECTION 0x85 -#define FLASH_OFFSET_INTEL_PROTECTION 0x81 - -#define CFI_CMDSET_NONE 0 -#define CFI_CMDSET_INTEL_EXTENDED 1 -#define CFI_CMDSET_AMD_STANDARD 2 -#define CFI_CMDSET_INTEL_STANDARD 3 -#define CFI_CMDSET_AMD_EXTENDED 4 -#define CFI_CMDSET_MITSU_STANDARD 256 -#define CFI_CMDSET_MITSU_EXTENDED 257 -#define CFI_CMDSET_SST 258 -#define CFI_CMDSET_INTEL_PROG_REGIONS 512 - -#ifdef CONFIG_SYS_FLASH_CFI_AMD_RESET /* needed for STM_ID_29W320DB on UC100 */ -# undef FLASH_CMD_RESET -# define FLASH_CMD_RESET AMD_CMD_RESET /* use AMD-Reset instead */ -#endif - -#define NUM_ERASE_REGIONS 4 /* max. number of erase regions */ - -typedef union { - unsigned char c; - unsigned short w; - unsigned long l; - unsigned long long ll; -} cfiword_t; - -/* CFI standard query structure */ -/* The offsets and sizes of this packed structure members correspond - * to the actual layout in CFI Flash chips. Some 16- and 32-bit members - * are unaligned and must be accessed with explicit unaligned access macros. - */ -struct cfi_qry { - u8 qry[3]; - u16 p_id; /* unaligned */ - u16 p_adr; /* unaligned */ - u16 a_id; /* unaligned */ - u16 a_adr; /* unaligned */ - u8 vcc_min; - u8 vcc_max; - u8 vpp_min; - u8 vpp_max; - u8 word_write_timeout_typ; - u8 buf_write_timeout_typ; - u8 block_erase_timeout_typ; - u8 chip_erase_timeout_typ; - u8 word_write_timeout_max; - u8 buf_write_timeout_max; - u8 block_erase_timeout_max; - u8 chip_erase_timeout_max; - u8 dev_size; - u16 interface_desc; /* aligned */ - u16 max_buf_write_size; /* aligned */ - u8 num_erase_regions; - u32 erase_region_info[NUM_ERASE_REGIONS]; /* unaligned */ -} __attribute__((packed)); - -struct cfi_pri_hdr { - u8 pri[3]; - u8 major_version; - u8 minor_version; -} __attribute__((packed)); - -#ifndef CONFIG_SYS_FLASH_BANKS_LIST -#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE } -#endif - -/* - * CFI_MAX_FLASH_BANKS only used for flash_info struct declaration. - * - * Use CONFIG_SYS_MAX_FLASH_BANKS_DETECT if defined - */ -#if defined(CONFIG_SYS_MAX_FLASH_BANKS_DETECT) -#define CONFIG_SYS_MAX_FLASH_BANKS (cfi_flash_num_flash_banks) -#define CFI_MAX_FLASH_BANKS CONFIG_SYS_MAX_FLASH_BANKS_DETECT -/* board code can update this variable before CFI detection */ -extern int cfi_flash_num_flash_banks; -#else -#define CFI_MAX_FLASH_BANKS CONFIG_SYS_MAX_FLASH_BANKS -#endif - -void flash_write_cmd(flash_info_t * info, flash_sect_t sect, - uint offset, u32 cmd); -phys_addr_t cfi_flash_bank_addr(int i); -unsigned long cfi_flash_bank_size(int i); -void flash_cmd_reset(flash_info_t *info); - -#ifdef CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS -void flash_write8(u8 value, void *addr); -void flash_write16(u16 value, void *addr); -void flash_write32(u32 value, void *addr); -void flash_write64(u64 value, void *addr); -u8 flash_read8(void *addr); -u16 flash_read16(void *addr); -u32 flash_read32(void *addr); -u64 flash_read64(void *addr); -#endif - -#endif /* __CFI_FLASH_H__ */ diff --git a/qemu/roms/u-boot/include/mtd/mtd-abi.h b/qemu/roms/u-boot/include/mtd/mtd-abi.h deleted file mode 100644 index ac3c29876..000000000 --- a/qemu/roms/u-boot/include/mtd/mtd-abi.h +++ /dev/null @@ -1,197 +0,0 @@ -/* - * $Id: mtd-abi.h,v 1.13 2005/11/07 11:14:56 gleixner Exp $ - * - * Portions of MTD ABI definition which are shared by kernel and user space - */ - -#ifndef __MTD_ABI_H__ -#define __MTD_ABI_H__ - -#if 1 -#include <linux/compat.h> -#endif - -#include <linux/compiler.h> - -struct erase_info_user { - uint32_t start; - uint32_t length; -}; - -struct mtd_oob_buf { - uint32_t start; - uint32_t length; - unsigned char __user *ptr; -}; - -/* - * MTD operation modes - * - * @MTD_OPS_PLACE_OOB: OOB data are placed at the given offset (default) - * @MTD_OPS_AUTO_OOB: OOB data are automatically placed at the free areas - * which are defined by the internal ecclayout - * @MTD_OPS_RAW: data are transferred as-is, with no error correction; - * this mode implies %MTD_OPS_PLACE_OOB - * - * These modes can be passed to ioctl(MEMWRITE) and are also used internally. - * See notes on "MTD file modes" for discussion on %MTD_OPS_RAW vs. - * %MTD_FILE_MODE_RAW. - */ -enum { - MTD_OPS_PLACE_OOB = 0, - MTD_OPS_AUTO_OOB = 1, - MTD_OPS_RAW = 2, -}; - -#define MTD_ABSENT 0 -#define MTD_RAM 1 -#define MTD_ROM 2 -#define MTD_NORFLASH 3 -#define MTD_NANDFLASH 4 -#define MTD_DATAFLASH 6 -#define MTD_UBIVOLUME 7 - -#define MTD_WRITEABLE 0x400 /* Device is writeable */ -#define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */ -#define MTD_NO_ERASE 0x1000 /* No erase necessary */ -#define MTD_STUPID_LOCK 0x2000 /* Always locked after reset */ - -/* Some common devices / combinations of capabilities */ -#define MTD_CAP_ROM 0 -#define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE) -#define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE) -#define MTD_CAP_NANDFLASH (MTD_WRITEABLE) - -/* ECC byte placement */ -#define MTD_NANDECC_OFF 0 /* Switch off ECC (Not recommended) */ -#define MTD_NANDECC_PLACE 1 /* Use the given placement in the structure (YAFFS1 legacy mode) */ -#define MTD_NANDECC_AUTOPLACE 2 /* Use the default placement scheme */ -#define MTD_NANDECC_PLACEONLY 3 /* Use the given placement in the structure (Do not store ecc result on read) */ -#define MTD_NANDECC_AUTOPL_USR 4 /* Use the given autoplacement scheme rather than using the default */ - -/* OTP mode selection */ -#define MTD_OTP_OFF 0 -#define MTD_OTP_FACTORY 1 -#define MTD_OTP_USER 2 - -struct mtd_info_user { - uint8_t type; - uint32_t flags; - uint32_t size; /* Total size of the MTD */ - uint32_t erasesize; - uint32_t writesize; - uint32_t oobsize; /* Amount of OOB data per block (e.g. 16) */ - /* The below two fields are obsolete and broken, do not use them - * (TODO: remove at some point) */ - uint32_t ecctype; - uint32_t eccsize; -}; - -struct region_info_user { - uint32_t offset; /* At which this region starts, - * from the beginning of the MTD */ - uint32_t erasesize; /* For this region */ - uint32_t numblocks; /* Number of blocks in this region */ - uint32_t regionindex; -}; - -struct otp_info { - uint32_t start; - uint32_t length; - uint32_t locked; -}; - -/* Get basic MTD characteristics info (better to use sysfs) */ -#define MEMGETINFO _IOR('M', 1, struct mtd_info_user) -/* Erase segment of MTD */ -#define MEMERASE _IOW('M', 2, struct erase_info_user) -/* Write out-of-band data from MTD */ -#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf) -/* Read out-of-band data from MTD */ -#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf) -/* Lock a chip (for MTD that supports it) */ -#define MEMLOCK _IOW('M', 5, struct erase_info_user) -/* Unlock a chip (for MTD that supports it) */ -#define MEMUNLOCK _IOW('M', 6, struct erase_info_user) -/* Get the number of different erase regions */ -#define MEMGETREGIONCOUNT _IOR('M', 7, int) -/* Get information about the erase region for a specific index */ -#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user) -/* Get info about OOB modes (e.g., RAW, PLACE, AUTO) - legacy interface */ -#define MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo) -#define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo) -/* Check if an eraseblock is bad */ -#define MEMGETBADBLOCK _IOW('M', 11, loff_t) -/* Mark an eraseblock as bad */ -#define MEMSETBADBLOCK _IOW('M', 12, loff_t) -/* Set OTP (One-Time Programmable) mode (factory vs. user) */ -#define OTPSELECT _IOR('M', 13, int) -/* Get number of OTP (One-Time Programmable) regions */ -#define OTPGETREGIONCOUNT _IOW('M', 14, int) -/* Get all OTP (One-Time Programmable) info about MTD */ -#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info) -/* Lock a given range of user data (must be in mode %MTD_FILE_MODE_OTP_USER) */ -#define OTPLOCK _IOR('M', 16, struct otp_info) -/* Get ECC layout (deprecated) */ -#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout) -/* Get statistics about corrected/uncorrected errors */ -#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats) -/* Set MTD mode on a per-file-descriptor basis (see "MTD file modes") */ -#define MTDFILEMODE _IO('M', 19) - -/* - * Obsolete legacy interface. Keep it in order not to break userspace - * interfaces - */ -struct nand_oobinfo { - uint32_t useecc; - uint32_t eccbytes; - uint32_t oobfree[8][2]; - uint32_t eccpos[48]; -}; - -struct nand_oobfree { - uint32_t offset; - uint32_t length; -}; - -/** - * struct mtd_ecc_stats - error correction stats - * - * @corrected: number of corrected bits - * @failed: number of uncorrectable errors - * @badblocks: number of bad blocks in this partition - * @bbtblocks: number of blocks reserved for bad block tables - */ -struct mtd_ecc_stats { - uint32_t corrected; - uint32_t failed; - uint32_t badblocks; - uint32_t bbtblocks; -}; - -/* - * MTD file modes - for read/write access to MTD - * - * @MTD_FILE_MODE_NORMAL: OTP disabled, ECC enabled - * @MTD_FILE_MODE_OTP_FACTORY: OTP enabled in factory mode - * @MTD_FILE_MODE_OTP_USER: OTP enabled in user mode - * @MTD_FILE_MODE_RAW: OTP disabled, ECC disabled - * - * These modes can be set via ioctl(MTDFILEMODE). The mode mode will be retained - * separately for each open file descriptor. - * - * Note: %MTD_FILE_MODE_RAW provides the same functionality as %MTD_OPS_RAW - - * raw access to the flash, without error correction or autoplacement schemes. - * Wherever possible, the MTD_OPS_* mode will override the MTD_FILE_MODE_* mode - * (e.g., when using ioctl(MEMWRITE)), but in some cases, the MTD_FILE_MODE is - * used out of necessity (e.g., `write()', ioctl(MEMWRITEOOB64)). - */ -enum mtd_file_modes { - MTD_MODE_NORMAL = MTD_OTP_OFF, - MTD_MODE_OTP_FACTORY = MTD_OTP_FACTORY, - MTD_MODE_OTP_USER = MTD_OTP_USER, - MTD_MODE_RAW, -}; - -#endif /* __MTD_ABI_H__ */ diff --git a/qemu/roms/u-boot/include/mtd/ubi-user.h b/qemu/roms/u-boot/include/mtd/ubi-user.h deleted file mode 100644 index 1ccc06ea6..000000000 --- a/qemu/roms/u-boot/include/mtd/ubi-user.h +++ /dev/null @@ -1,256 +0,0 @@ -/* - * Copyright (c) International Business Machines Corp., 2006 - * - * SPDX-License-Identifier: GPL-2.0+ - * - * Author: Artem Bityutskiy (Битюцкий Артём) - */ - -#ifndef __UBI_USER_H__ -#define __UBI_USER_H__ - -/* - * UBI device creation (the same as MTD device attachment) - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * MTD devices may be attached using %UBI_IOCATT ioctl command of the UBI - * control device. The caller has to properly fill and pass - * &struct ubi_attach_req object - UBI will attach the MTD device specified in - * the request and return the newly created UBI device number as the ioctl - * return value. - * - * UBI device deletion (the same as MTD device detachment) - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * An UBI device maybe deleted with %UBI_IOCDET ioctl command of the UBI - * control device. - * - * UBI volume creation - * ~~~~~~~~~~~~~~~~~~~ - * - * UBI volumes are created via the %UBI_IOCMKVOL IOCTL command of UBI character - * device. A &struct ubi_mkvol_req object has to be properly filled and a - * pointer to it has to be passed to the IOCTL. - * - * UBI volume deletion - * ~~~~~~~~~~~~~~~~~~~ - * - * To delete a volume, the %UBI_IOCRMVOL IOCTL command of the UBI character - * device should be used. A pointer to the 32-bit volume ID hast to be passed - * to the IOCTL. - * - * UBI volume re-size - * ~~~~~~~~~~~~~~~~~~ - * - * To re-size a volume, the %UBI_IOCRSVOL IOCTL command of the UBI character - * device should be used. A &struct ubi_rsvol_req object has to be properly - * filled and a pointer to it has to be passed to the IOCTL. - * - * UBI volume update - * ~~~~~~~~~~~~~~~~~ - * - * Volume update should be done via the %UBI_IOCVOLUP IOCTL command of the - * corresponding UBI volume character device. A pointer to a 64-bit update - * size should be passed to the IOCTL. After this, UBI expects user to write - * this number of bytes to the volume character device. The update is finished - * when the claimed number of bytes is passed. So, the volume update sequence - * is something like: - * - * fd = open("/dev/my_volume"); - * ioctl(fd, UBI_IOCVOLUP, &image_size); - * write(fd, buf, image_size); - * close(fd); - * - * Atomic eraseblock change - * ~~~~~~~~~~~~~~~~~~~~~~~~ - * - * Atomic eraseblock change operation is done via the %UBI_IOCEBCH IOCTL - * command of the corresponding UBI volume character device. A pointer to - * &struct ubi_leb_change_req has to be passed to the IOCTL. Then the user is - * expected to write the requested amount of bytes. This is similar to the - * "volume update" IOCTL. - */ - -/* - * When a new UBI volume or UBI device is created, users may either specify the - * volume/device number they want to create or to let UBI automatically assign - * the number using these constants. - */ -#define UBI_VOL_NUM_AUTO (-1) -#define UBI_DEV_NUM_AUTO (-1) - -/* Maximum volume name length */ -#define UBI_MAX_VOLUME_NAME 127 - -/* IOCTL commands of UBI character devices */ - -#define UBI_IOC_MAGIC 'o' - -/* Create an UBI volume */ -#define UBI_IOCMKVOL _IOW(UBI_IOC_MAGIC, 0, struct ubi_mkvol_req) -/* Remove an UBI volume */ -#define UBI_IOCRMVOL _IOW(UBI_IOC_MAGIC, 1, int32_t) -/* Re-size an UBI volume */ -#define UBI_IOCRSVOL _IOW(UBI_IOC_MAGIC, 2, struct ubi_rsvol_req) - -/* IOCTL commands of the UBI control character device */ - -#define UBI_CTRL_IOC_MAGIC 'o' - -/* Attach an MTD device */ -#define UBI_IOCATT _IOW(UBI_CTRL_IOC_MAGIC, 64, struct ubi_attach_req) -/* Detach an MTD device */ -#define UBI_IOCDET _IOW(UBI_CTRL_IOC_MAGIC, 65, int32_t) - -/* IOCTL commands of UBI volume character devices */ - -#define UBI_VOL_IOC_MAGIC 'O' - -/* Start UBI volume update */ -#define UBI_IOCVOLUP _IOW(UBI_VOL_IOC_MAGIC, 0, int64_t) -/* An eraseblock erasure command, used for debugging, disabled by default */ -#define UBI_IOCEBER _IOW(UBI_VOL_IOC_MAGIC, 1, int32_t) -/* An atomic eraseblock change command */ -#define UBI_IOCEBCH _IOW(UBI_VOL_IOC_MAGIC, 2, int32_t) - -/* Maximum MTD device name length supported by UBI */ -#define MAX_UBI_MTD_NAME_LEN 127 - -/* - * UBI data type hint constants. - * - * UBI_LONGTERM: long-term data - * UBI_SHORTTERM: short-term data - * UBI_UNKNOWN: data persistence is unknown - * - * These constants are used when data is written to UBI volumes in order to - * help the UBI wear-leveling unit to find more appropriate physical - * eraseblocks. - */ -enum { - UBI_LONGTERM = 1, - UBI_SHORTTERM = 2, - UBI_UNKNOWN = 3, -}; - -/* - * UBI volume type constants. - * - * @UBI_DYNAMIC_VOLUME: dynamic volume - * @UBI_STATIC_VOLUME: static volume - */ -enum { - UBI_DYNAMIC_VOLUME = 3, - UBI_STATIC_VOLUME = 4, -}; - -/** - * struct ubi_attach_req - attach MTD device request. - * @ubi_num: UBI device number to create - * @mtd_num: MTD device number to attach - * @vid_hdr_offset: VID header offset (use defaults if %0) - * @padding: reserved for future, not used, has to be zeroed - * - * This data structure is used to specify MTD device UBI has to attach and the - * parameters it has to use. The number which should be assigned to the new UBI - * device is passed in @ubi_num. UBI may automatically assign the number if - * @UBI_DEV_NUM_AUTO is passed. In this case, the device number is returned in - * @ubi_num. - * - * Most applications should pass %0 in @vid_hdr_offset to make UBI use default - * offset of the VID header within physical eraseblocks. The default offset is - * the next min. I/O unit after the EC header. For example, it will be offset - * 512 in case of a 512 bytes page NAND flash with no sub-page support. Or - * it will be 512 in case of a 2KiB page NAND flash with 4 512-byte sub-pages. - * - * But in rare cases, if this optimizes things, the VID header may be placed to - * a different offset. For example, the boot-loader might do things faster if the - * VID header sits at the end of the first 2KiB NAND page with 4 sub-pages. As - * the boot-loader would not normally need to read EC headers (unless it needs - * UBI in RW mode), it might be faster to calculate ECC. This is weird example, - * but it real-life example. So, in this example, @vid_hdr_offer would be - * 2KiB-64 bytes = 1984. Note, that this position is not even 512-bytes - * aligned, which is OK, as UBI is clever enough to realize this is 4th sub-page - * of the first page and add needed padding. - */ -struct ubi_attach_req { - int32_t ubi_num; - int32_t mtd_num; - int32_t vid_hdr_offset; - uint8_t padding[12]; -}; - -/** - * struct ubi_mkvol_req - volume description data structure used in - * volume creation requests. - * @vol_id: volume number - * @alignment: volume alignment - * @bytes: volume size in bytes - * @vol_type: volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME) - * @padding1: reserved for future, not used, has to be zeroed - * @name_len: volume name length - * @padding2: reserved for future, not used, has to be zeroed - * @name: volume name - * - * This structure is used by user-space programs when creating new volumes. The - * @used_bytes field is only necessary when creating static volumes. - * - * The @alignment field specifies the required alignment of the volume logical - * eraseblock. This means, that the size of logical eraseblocks will be aligned - * to this number, i.e., - * (UBI device logical eraseblock size) mod (@alignment) = 0. - * - * To put it differently, the logical eraseblock of this volume may be slightly - * shortened in order to make it properly aligned. The alignment has to be - * multiple of the flash minimal input/output unit, or %1 to utilize the entire - * available space of logical eraseblocks. - * - * The @alignment field may be useful, for example, when one wants to maintain - * a block device on top of an UBI volume. In this case, it is desirable to fit - * an integer number of blocks in logical eraseblocks of this UBI volume. With - * alignment it is possible to update this volume using plane UBI volume image - * BLOBs, without caring about how to properly align them. - */ -struct ubi_mkvol_req { - int32_t vol_id; - int32_t alignment; - int64_t bytes; - int8_t vol_type; - int8_t padding1; - int16_t name_len; - int8_t padding2[4]; - char name[UBI_MAX_VOLUME_NAME + 1]; -} __attribute__ ((packed)); - -/** - * struct ubi_rsvol_req - a data structure used in volume re-size requests. - * @vol_id: ID of the volume to re-size - * @bytes: new size of the volume in bytes - * - * Re-sizing is possible for both dynamic and static volumes. But while dynamic - * volumes may be re-sized arbitrarily, static volumes cannot be made to be - * smaller then the number of bytes they bear. To arbitrarily shrink a static - * volume, it must be wiped out first (by means of volume update operation with - * zero number of bytes). - */ -struct ubi_rsvol_req { - int64_t bytes; - int32_t vol_id; -} __attribute__ ((packed)); - -/** - * struct ubi_leb_change_req - a data structure used in atomic logical - * eraseblock change requests. - * @lnum: logical eraseblock number to change - * @bytes: how many bytes will be written to the logical eraseblock - * @dtype: data type (%UBI_LONGTERM, %UBI_SHORTTERM, %UBI_UNKNOWN) - * @padding: reserved for future, not used, has to be zeroed - */ -struct ubi_leb_change_req { - int32_t lnum; - int32_t bytes; - uint8_t dtype; - uint8_t padding[7]; -} __attribute__ ((packed)); - -#endif /* __UBI_USER_H__ */ |