145 static int blk_rw(int fd, int rw, int64_t offset, uint8_t *buf, unsigned len)  in blk_rw()  argument
149     if (lseek64(fd, offset, SEEK_SET) < 0) {  in blk_rw()
156         r = write(fd, buf, len);  in blk_rw()
158         r = read(fd, buf, len);  in blk_rw()
282 static int gpt2_set_boot_chain(int fd, enum boot_chain boot)  in gpt2_set_boot_chain()  argument
296     if (ioctl(fd, BLKSSZGET, &blk_size) != 0) {  in gpt2_set_boot_chain()
308     gpt2_header_offset = lseek64(fd, 0, SEEK_END) - blk_size;  in gpt2_set_boot_chain()
317     r = blk_rw(fd, 0, blk_size, gpt_header, blk_size);  in gpt2_set_boot_chain()
337     r = blk_rw(fd, 0, pentries_start_offset, pentries, pentries_array_size);  in gpt2_set_boot_chain()
349     r = blk_rw(fd, 0, gpt2_header_offset, gpt_header, blk_size);  in gpt2_set_boot_chain()
373     r = blk_rw(fd, 1, gpt2_header_offset, gpt_header, blk_size);  in gpt2_set_boot_chain()
376         r = blk_rw(fd, 1, pentries_start_offset, pentries,  in gpt2_set_boot_chain()
400 static int gpt_get_state(int fd, enum gpt_instance gpt, enum gpt_state *state)  in gpt_get_state()  argument
410     if (ioctl(fd, BLKSSZGET, &blk_size) != 0) {  in gpt_get_state()
423         gpt_header_offset = lseek64(fd, 0, SEEK_END) - blk_size;  in gpt_get_state()
430     if (blk_rw(fd, 0, gpt_header_offset, gpt_header, blk_size)) {  in gpt_get_state()
466 static int gpt_set_state(int fd, enum gpt_instance gpt, enum gpt_state state)  in gpt_set_state()  argument
474     if (ioctl(fd, BLKSSZGET, &blk_size) != 0) {  in gpt_set_state()
487         gpt_header_offset = lseek64(fd, 0, SEEK_END) - blk_size;  in gpt_set_state()
493     if (blk_rw(fd, 0, gpt_header_offset, gpt_header, blk_size)) {  in gpt_set_state()
513     if (blk_rw(fd, 1, gpt_header_offset, gpt_header, blk_size)) {  in gpt_set_state()
601         int fd = -1;  in set_boot_lun()  local
617         fd = open(sg_dev, O_RDWR);  in set_boot_lun()
618         if (fd < 0) {  in set_boot_lun()
625         rc = ioctl(fd, UFS_IOCTL_QUERY, data);  in set_boot_lun()
632         close(fd);  in set_boot_lun()
636         if (fd >= 0)  in set_boot_lun()
637                 close(fd);  in set_boot_lun()
745     int fd = -1;  in prepare_partitions()  local
757     fd = open(dev_path, O_RDWR);  in prepare_partitions()
758     if (fd < 0) {  in prepare_partitions()
766     r = gpt_get_state(fd, PRIMARY_GPT, &gpt_prim) ||  in prepare_partitions()
767         gpt_get_state(fd, SECONDARY_GPT, &gpt_second);  in prepare_partitions()
836         r = gpt2_set_boot_chain(fd, BACKUP_BOOT);  in prepare_partitions()
849         r = gpt_set_state(fd, PRIMARY_GPT, GPT_BAD_SIGNATURE);  in prepare_partitions()
879         r = gpt_set_state(fd, PRIMARY_GPT, GPT_OK);  in prepare_partitions()
886         r = gpt_set_state(fd, SECONDARY_GPT, GPT_BAD_SIGNATURE);  in prepare_partitions()
899         r = gpt2_set_boot_chain(fd, NORMAL_BOOT);  in prepare_partitions()
906         r = gpt_set_state(fd, SECONDARY_GPT, GPT_OK);  in prepare_partitions()
917     if (fd >= 0) {  in prepare_partitions()
918        fsync(fd);  in prepare_partitions()
919        close(fd);  in prepare_partitions()
1126 static uint32_t gpt_get_block_size(int fd)  in gpt_get_block_size()  argument
1129         if (fd < 0) {  in gpt_get_block_size()
1134         if (ioctl(fd, BLKSSZGET, &block_size) != 0) {  in gpt_get_block_size()
1147 static int gpt_set_header(uint8_t *gpt_header, int fd,  in gpt_set_header()  argument
1152         if (!gpt_header || fd < 0) {  in gpt_set_header()
1157         block_size = gpt_get_block_size(fd);  in gpt_set_header()
1166                 gpt_header_offset = lseek64(fd, 0, SEEK_END) - block_size;  in gpt_set_header()
1173         if (blk_rw(fd, 1, gpt_header_offset, gpt_header, block_size)) {  in gpt_set_header()
1189         int fd = -1;  in gpt_get_header()  local
1201         fd = open(devpath, O_RDWR);  in gpt_get_header()
1202         if (fd < 0) {  in gpt_get_header()
1209         block_size = gpt_get_block_size(fd);  in gpt_get_header()
1226                 hdr_offset = lseek64(fd, 0, SEEK_END) - block_size;  in gpt_get_header()
1233         if (blk_rw(fd, 0, hdr_offset, hdr, block_size)) {  in gpt_get_header()
1238         close(fd);  in gpt_get_header()
1241         if (fd >= 0)  in gpt_get_header()
1242                 close(fd);  in gpt_get_header()
1252 static uint8_t* gpt_get_pentry_arr(uint8_t *hdr, int fd)  in gpt_get_pentry_arr()  argument
1264         if (fd < 0) {  in gpt_get_pentry_arr()
1268         block_size = gpt_get_block_size(fd);  in gpt_get_pentry_arr()
1284         rc = blk_rw(fd, 0,  in gpt_get_pentry_arr()
1300 static int gpt_set_pentry_arr(uint8_t *hdr, int fd, uint8_t* arr)  in gpt_set_pentry_arr()  argument
1307         if (!hdr || fd < 0 || !arr) {  in gpt_set_pentry_arr()
1311         block_size = gpt_get_block_size(fd);  in gpt_set_pentry_arr()
1326         rc = blk_rw(fd, 1,  in gpt_set_pentry_arr()
1378         int fd = -1;  in gpt_disk_get_disk_info()  local
1410         fd = open(disk->devpath, O_RDWR);  in gpt_disk_get_disk_info()
1411         if (fd < 0) {  in gpt_disk_get_disk_info()
1418         disk->pentry_arr = gpt_get_pentry_arr(disk->hdr, fd);  in gpt_disk_get_disk_info()
1424         disk->pentry_arr_bak = gpt_get_pentry_arr(disk->hdr_bak, fd);  in gpt_disk_get_disk_info()
1437         disk->block_size = gpt_get_block_size(fd);  in gpt_disk_get_disk_info()
1438         close(fd);  in gpt_disk_get_disk_info()
1442         if (fd >= 0)  in gpt_disk_get_disk_info()
1443                 close(fd);  in gpt_disk_get_disk_info()
1507         int fd = -1;  in gpt_disk_commit()  local
1512         fd = open(disk->devpath, O_RDWR);  in gpt_disk_commit()
1513         if (fd < 0) {  in gpt_disk_commit()
1522         if(gpt_set_header(disk->hdr, fd, PRIMARY_GPT) != 0) {  in gpt_disk_commit()
1529         if (gpt_set_pentry_arr(disk->hdr, fd, disk->pentry_arr)) {  in gpt_disk_commit()
1534         fsync(fd);  in gpt_disk_commit()
1535         close(fd);  in gpt_disk_commit()
1538         if (fd >= 0)  in gpt_disk_commit()
1539                 close(fd);  in gpt_disk_commit()