5  * SPDX-License-Identifier: BSD-3-Clause
21             (void*)cfg, cfg->context,  in lfs_filebd_createcfg()
22             (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog,  in lfs_filebd_createcfg()
23             (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync,  in lfs_filebd_createcfg()
24             cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count,  in lfs_filebd_createcfg()
25             path, (void*)bdcfg, bdcfg->erase_value);  in lfs_filebd_createcfg()
26     lfs_filebd_t *bd = cfg->context;  in lfs_filebd_createcfg()
27     bd->cfg = bdcfg;  in lfs_filebd_createcfg()
30     bd->fd = open(path, O_RDWR | O_CREAT, 0666);  in lfs_filebd_createcfg()
31     if (bd->fd < 0) {  in lfs_filebd_createcfg()
32         int err = -errno;  in lfs_filebd_createcfg()
33         LFS_FILEBD_TRACE("lfs_filebd_createcfg -> %d", err);  in lfs_filebd_createcfg()
37     LFS_FILEBD_TRACE("lfs_filebd_createcfg -> %d", 0);  in lfs_filebd_createcfg()
47             (void*)cfg, cfg->context,  in lfs_filebd_create()
48             (void*)(uintptr_t)cfg->read, (void*)(uintptr_t)cfg->prog,  in lfs_filebd_create()
49             (void*)(uintptr_t)cfg->erase, (void*)(uintptr_t)cfg->sync,  in lfs_filebd_create()
50             cfg->read_size, cfg->prog_size, cfg->block_size, cfg->block_count,  in lfs_filebd_create()
52     static const struct lfs_filebd_config defaults = {.erase_value=-1};  in lfs_filebd_create()
54     LFS_FILEBD_TRACE("lfs_filebd_create -> %d", err);  in lfs_filebd_create()
60     lfs_filebd_t *bd = cfg->context;  in lfs_filebd_destroy()
61     int err = close(bd->fd);  in lfs_filebd_destroy()
63         err = -errno;  in lfs_filebd_destroy()
64         LFS_FILEBD_TRACE("lfs_filebd_destroy -> %d", err);  in lfs_filebd_destroy()
67     LFS_FILEBD_TRACE("lfs_filebd_destroy -> %d", 0);  in lfs_filebd_destroy()
76     lfs_filebd_t *bd = cfg->context;  in lfs_filebd_read()
79     LFS_ASSERT(off  % cfg->read_size == 0);  in lfs_filebd_read()
80     LFS_ASSERT(size % cfg->read_size == 0);  in lfs_filebd_read()
81     LFS_ASSERT(block < cfg->block_count);  in lfs_filebd_read()
84     if (bd->cfg->erase_value != -1) {  in lfs_filebd_read()
85         memset(buffer, bd->cfg->erase_value, size);  in lfs_filebd_read()
89     off_t res1 = lseek(bd->fd,  in lfs_filebd_read()
90             (off_t)block*cfg->block_size + (off_t)off, SEEK_SET);  in lfs_filebd_read()
92         int err = -errno;  in lfs_filebd_read()
93         LFS_FILEBD_TRACE("lfs_filebd_read -> %d", err);  in lfs_filebd_read()
97     ssize_t res2 = read(bd->fd, buffer, size);  in lfs_filebd_read()
99         int err = -errno;  in lfs_filebd_read()
100         LFS_FILEBD_TRACE("lfs_filebd_read -> %d", err);  in lfs_filebd_read()
104     LFS_FILEBD_TRACE("lfs_filebd_read -> %d", 0);  in lfs_filebd_read()
112     lfs_filebd_t *bd = cfg->context;  in lfs_filebd_prog()
115     LFS_ASSERT(off  % cfg->prog_size == 0);  in lfs_filebd_prog()
116     LFS_ASSERT(size % cfg->prog_size == 0);  in lfs_filebd_prog()
117     LFS_ASSERT(block < cfg->block_count);  in lfs_filebd_prog()
120     if (bd->cfg->erase_value != -1) {  in lfs_filebd_prog()
121         off_t res1 = lseek(bd->fd,  in lfs_filebd_prog()
122                 (off_t)block*cfg->block_size + (off_t)off, SEEK_SET);  in lfs_filebd_prog()
124             int err = -errno;  in lfs_filebd_prog()
125             LFS_FILEBD_TRACE("lfs_filebd_prog -> %d", err);  in lfs_filebd_prog()
129         for (lfs_off_t i = 0; i < size; i++) {  in lfs_filebd_prog()  local
131             ssize_t res2 = read(bd->fd, &c, 1);  in lfs_filebd_prog()
133                 int err = -errno;  in lfs_filebd_prog()
134                 LFS_FILEBD_TRACE("lfs_filebd_prog -> %d", err);  in lfs_filebd_prog()
138             LFS_ASSERT(c == bd->cfg->erase_value);  in lfs_filebd_prog()
143     off_t res1 = lseek(bd->fd,  in lfs_filebd_prog()
144             (off_t)block*cfg->block_size + (off_t)off, SEEK_SET);  in lfs_filebd_prog()
146         int err = -errno;  in lfs_filebd_prog()
147         LFS_FILEBD_TRACE("lfs_filebd_prog -> %d", err);  in lfs_filebd_prog()
151     ssize_t res2 = write(bd->fd, buffer, size);  in lfs_filebd_prog()
153         int err = -errno;  in lfs_filebd_prog()
154         LFS_FILEBD_TRACE("lfs_filebd_prog -> %d", err);  in lfs_filebd_prog()
158     LFS_FILEBD_TRACE("lfs_filebd_prog -> %d", 0);  in lfs_filebd_prog()
164     lfs_filebd_t *bd = cfg->context;  in lfs_filebd_erase()
167     LFS_ASSERT(block < cfg->block_count);  in lfs_filebd_erase()
170     if (bd->cfg->erase_value != -1) {  in lfs_filebd_erase()
171         off_t res1 = lseek(bd->fd, (off_t)block*cfg->block_size, SEEK_SET);  in lfs_filebd_erase()
173             int err = -errno;  in lfs_filebd_erase()
174             LFS_FILEBD_TRACE("lfs_filebd_erase -> %d", err);  in lfs_filebd_erase()
178         for (lfs_off_t i = 0; i < cfg->block_size; i++) {  in lfs_filebd_erase()  local
179             ssize_t res2 = write(bd->fd, &(uint8_t){bd->cfg->erase_value}, 1);  in lfs_filebd_erase()
181                 int err = -errno;  in lfs_filebd_erase()
182                 LFS_FILEBD_TRACE("lfs_filebd_erase -> %d", err);  in lfs_filebd_erase()
188     LFS_FILEBD_TRACE("lfs_filebd_erase -> %d", 0);  in lfs_filebd_erase()
195     lfs_filebd_t *bd = cfg->context;  in lfs_filebd_sync()
196     int err = fsync(bd->fd);  in lfs_filebd_sync()
198         err = -errno;  in lfs_filebd_sync()
199         LFS_FILEBD_TRACE("lfs_filebd_sync -> %d", 0);  in lfs_filebd_sync()
203     LFS_FILEBD_TRACE("lfs_filebd_sync -> %d", 0);  in lfs_filebd_sync()