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Some devices ship 2 copies of remote partitions (see e.g. #22), which the current code can't cope with. Add parsing of a slot suffix (via '-S', single character) and if passed, retry opening partition (via a partlabel) with it. Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
#ifndef __RMTFS_H__
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#define __RMTFS_H__
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#include <stdint.h>
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#include "qmi_rmtfs.h"
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#define SECTOR_SIZE 512
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struct qmi_packet {
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uint8_t flags;
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uint16_t txn_id;
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uint16_t msg_id;
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uint16_t msg_len;
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uint8_t data[];
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} __attribute__((__packed__));
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struct rmtfs_mem;
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struct rmtfs_mem *rmtfs_mem_open(void);
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void rmtfs_mem_close(struct rmtfs_mem *rmem);
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int64_t rmtfs_mem_alloc(struct rmtfs_mem *rmem, size_t size);
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void rmtfs_mem_free(struct rmtfs_mem *rmem);
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ssize_t rmtfs_mem_read(struct rmtfs_mem *rmem, unsigned long phys_address, void *buf, ssize_t len);
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ssize_t rmtfs_mem_write(struct rmtfs_mem *rmem, unsigned long phys_address, const void *buf, ssize_t len);
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struct rmtfd;
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int storage_init(const char *storage_root, bool read_only, bool use_partitions);
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#define SLOT_SUFFIX_LEN (2 + 1) /* "_a" or "_b", null-terminated */
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struct rmtfd *storage_open(unsigned node, const char *path, const char *slot_suffix);
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struct rmtfd *storage_get(unsigned node, int caller_id);
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void storage_close(struct rmtfd *rmtfd);
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int storage_get_caller_id(const struct rmtfd *rmtfd);
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int storage_get_error(const struct rmtfd *rmtfd);
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void storage_exit(void);
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ssize_t storage_pread(const struct rmtfd *rmtfd, void *buf, size_t nbyte, off_t offset);
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ssize_t storage_pwrite(struct rmtfd *rmtfd, const void *buf, size_t nbyte, off_t offset);
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int storage_sync(struct rmtfd *rmtfd);
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int rproc_init(void);
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int rproc_start(void);
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int rproc_stop(void);
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#endif
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