58 static int init_check_command(BlockBackend *blk, const cmdinfo_t *ct)  in init_check_command()  argument
63     if (!(ct->flags & CMD_NOFILE_OK) && !blk) {  in init_check_command()
70 static int command(BlockBackend *blk, const cmdinfo_t *ct, int argc,  in command()  argument
75     if (!init_check_command(blk, ct)) {  in command()
108     assert(blk || !ct->perm);  in command()
109     if (ct->perm && blk_is_available(blk)) {  in command()
111         blk_get_perm(blk, &orig_perm, &orig_shared_perm);  in command()
120             ret = blk_set_perm(blk, new_perm, orig_shared_perm, &local_err);  in command()
129     return ct->cfunc(blk, argc, argv);  in command()
341 static void *qemu_io_alloc(BlockBackend *blk, size_t len, int pattern,  in qemu_io_alloc()  argument
349     buf = blk_blockalign(blk, len);  in qemu_io_alloc()
352         blk_register_buf(blk, buf, len, &error_abort);  in qemu_io_alloc()
360 static void qemu_io_free(BlockBackend *blk, void *p, size_t len,  in qemu_io_free()  argument
368         blk_unregister_buf(blk, p, len);  in qemu_io_free()
388 static void *qemu_io_alloc_from_file(BlockBackend *blk, size_t len,  in qemu_io_alloc_from_file()  argument
401     alloc_buf = buf = blk_blockalign(blk, alloc_len);  in qemu_io_alloc_from_file()
423         blk_register_buf(blk, alloc_buf, alloc_len, &error_abort);  in qemu_io_alloc_from_file()
438     qemu_io_free(blk, alloc_buf, alloc_len, false);  in qemu_io_alloc_from_file()
496 create_iovec(BlockBackend *blk, QEMUIOVector *qiov, char **argv, int nr_iov,  in create_iovec()  argument
533     buf = p = qemu_io_alloc(blk, count, pattern, register_buf);  in create_iovec()
545 static int do_pread(BlockBackend *blk, char *buf, int64_t offset,  in do_pread()  argument
554     ret = blk_pread(blk, offset, bytes, (uint8_t *)buf, flags);  in do_pread()
562 static int do_pwrite(BlockBackend *blk, char *buf, int64_t offset,  in do_pwrite()  argument
571     ret = blk_pwrite(blk, offset, bytes, (uint8_t *)buf, flags);  in do_pwrite()
579 static int do_pwrite_zeroes(BlockBackend *blk, int64_t offset,  in do_pwrite_zeroes()  argument
583     int ret = blk_pwrite_zeroes(blk, offset, bytes,  in do_pwrite_zeroes()
593 static int do_write_compressed(BlockBackend *blk, char *buf, int64_t offset,  in do_write_compressed()  argument
602     ret = blk_pwrite_compressed(blk, offset, bytes, buf);  in do_write_compressed()
610 static int do_load_vmstate(BlockBackend *blk, char *buf, int64_t offset,  in do_load_vmstate()  argument
617     *total = blk_load_vmstate(blk, (uint8_t *)buf, offset, count);  in do_load_vmstate()
624 static int do_save_vmstate(BlockBackend *blk, char *buf, int64_t offset,  in do_save_vmstate()  argument
631     *total = blk_save_vmstate(blk, (uint8_t *)buf, offset, count);  in do_save_vmstate()
644 static int do_aio_readv(BlockBackend *blk, QEMUIOVector *qiov,  in do_aio_readv()  argument
649     blk_aio_preadv(blk, offset, qiov, flags, aio_rw_done, &async_ret);  in do_aio_readv()
658 static int do_aio_writev(BlockBackend *blk, QEMUIOVector *qiov,  in do_aio_writev()  argument
663     blk_aio_pwritev(blk, offset, qiov, flags, aio_rw_done, &async_ret);  in do_aio_writev()
695 static int read_f(BlockBackend *blk, int argc, char **argv);
708 static int read_f(BlockBackend *blk, int argc, char **argv)  in read_f()  argument
826     buf = qemu_io_alloc(blk, count, 0xab, flags & BDRV_REQ_REGISTERED_BUF);  in read_f()
830         ret = do_load_vmstate(blk, buf, offset, count, &total);  in read_f()
832         ret = do_pread(blk, buf, offset, count, flags, &total);  in read_f()
869     qemu_io_free(blk, buf, count, flags & BDRV_REQ_REGISTERED_BUF);  in read_f()
893 static int readv_f(BlockBackend *blk, int argc, char **argv);
905 static int readv_f(BlockBackend *blk, int argc, char **argv)  in readv_f()  argument
961     buf = create_iovec(blk, &qiov, &argv[optind], nr_iov, 0xab,  in readv_f()
968     ret = do_aio_readv(blk, &qiov, offset, flags, &total);  in readv_f()
1003     qemu_io_free(blk, buf, qiov.size, flags & BDRV_REQ_REGISTERED_BUF);  in readv_f()
1034 static int write_f(BlockBackend *blk, int argc, char **argv);
1048 static int write_f(BlockBackend *blk, int argc, char **argv)  in write_f()  argument
1182             buf = qemu_io_alloc_from_file(blk, count, file_name,  in write_f()
1188             buf = qemu_io_alloc(blk, count, pattern,  in write_f()
1195         ret = do_save_vmstate(blk, buf, offset, count, &total);  in write_f()
1197         ret = do_pwrite_zeroes(blk, offset, count, flags, &total);  in write_f()
1199         ret = do_write_compressed(blk, buf, offset, count, &total);  in write_f()
1201         ret = do_pwrite(blk, buf, offset, count, flags, &total);  in write_f()
1223         qemu_io_free(blk, buf, count, flags & BDRV_REQ_REGISTERED_BUF);  in write_f()
1248 static int writev_f(BlockBackend *blk, int argc, char **argv);
1261 static int writev_f(BlockBackend *blk, int argc, char **argv)  in writev_f()  argument
1314     buf = create_iovec(blk, &qiov, &argv[optind], nr_iov, pattern,  in writev_f()
1321     ret = do_aio_writev(blk, &qiov, offset, flags, &total);  in writev_f()
1340     qemu_io_free(blk, buf, qiov.size, flags & BDRV_REQ_REGISTERED_BUF);  in writev_f()
1346     BlockBackend *blk;  member
1371         block_acct_failed(blk_get_stats(ctx->blk), &ctx->acct);  in aio_write_done()
1375     block_acct_done(blk_get_stats(ctx->blk), &ctx->acct);  in aio_write_done()
1387         qemu_io_free(ctx->blk, ctx->buf, ctx->qiov.size,  in aio_write_done()
1403         block_acct_failed(blk_get_stats(ctx->blk), &ctx->acct);  in aio_read_done()
1418     block_acct_done(blk_get_stats(ctx->blk), &ctx->acct);  in aio_read_done()
1433     qemu_io_free(ctx->blk, ctx->buf, ctx->qiov.size,  in aio_read_done()
1464 static int aio_read_f(BlockBackend *blk, int argc, char **argv);
1476 static int aio_read_f(BlockBackend *blk, int argc, char **argv)  in aio_read_f()  argument
1481     ctx->blk = blk;  in aio_read_f()
1497             block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ);  in aio_read_f()
1532     ctx->buf = create_iovec(blk, &ctx->qiov, &argv[optind], nr_iov, 0xab,  in aio_read_f()
1535         block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ);  in aio_read_f()
1541     block_acct_start(blk_get_stats(blk), &ctx->acct, ctx->qiov.size,  in aio_read_f()
1543     blk_aio_preadv(blk, ctx->offset, &ctx->qiov, ctx->flags, aio_read_done,  in aio_read_f()
1576 static int aio_write_f(BlockBackend *blk, int argc, char **argv);
1589 static int aio_write_f(BlockBackend *blk, int argc, char **argv)  in aio_write_f()  argument
1595     ctx->blk = blk;  in aio_write_f()
1622             block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE);  in aio_write_f()
1683         blk_aio_pwrite_zeroes(blk, ctx->offset, count, ctx->flags,  in aio_write_f()
1687         ctx->buf = create_iovec(blk, &ctx->qiov, &argv[optind], nr_iov,  in aio_write_f()
1690             block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE);  in aio_write_f()
1696         block_acct_start(blk_get_stats(blk), &ctx->acct, ctx->qiov.size,  in aio_write_f()
1699         blk_aio_pwritev(blk, ctx->offset, &ctx->qiov, ctx->flags,  in aio_write_f()
1706 static int aio_flush_f(BlockBackend *blk, int argc, char **argv)  in aio_flush_f()  argument
1709     block_acct_start(blk_get_stats(blk), &cookie, 0, BLOCK_ACCT_FLUSH);  in aio_flush_f()
1711     block_acct_done(blk_get_stats(blk), &cookie);  in aio_flush_f()
1721 static int flush_f(BlockBackend *blk, int argc, char **argv)  in flush_f()  argument
1723     return blk_flush(blk);  in flush_f()
1738 static int zone_report_f(BlockBackend *blk, int argc, char **argv)  in zone_report_f()  argument
1765     ret = blk_zone_report(blk, offset, &nr_zones, zones);  in zone_report_f()
1791 static int zone_open_f(BlockBackend *blk, int argc, char **argv)  in zone_open_f()  argument
1807     ret = blk_zone_mgmt(blk, BLK_ZO_OPEN, offset, len);  in zone_open_f()
1824 static int zone_close_f(BlockBackend *blk, int argc, char **argv)  in zone_close_f()  argument
1840     ret = blk_zone_mgmt(blk, BLK_ZO_CLOSE, offset, len);  in zone_close_f()
1857 static int zone_finish_f(BlockBackend *blk, int argc, char **argv)  in zone_finish_f()  argument
1873     ret = blk_zone_mgmt(blk, BLK_ZO_FINISH, offset, len);  in zone_finish_f()
1890 static int zone_reset_f(BlockBackend *blk, int argc, char **argv)  in zone_reset_f()  argument
1906     ret = blk_zone_mgmt(blk, BLK_ZO_RESET, offset, len);  in zone_reset_f()
1923 static int do_aio_zone_append(BlockBackend *blk, QEMUIOVector *qiov,  in do_aio_zone_append()  argument
1928     blk_aio_zone_append(blk, offset, qiov, flags, aio_rw_done, &async_ret);  in do_aio_zone_append()
1937 static int zone_append_f(BlockBackend *blk, int argc, char **argv)  in zone_append_f()  argument
1964     buf = create_iovec(blk, &qiov, &argv[optind], nr_iov, pattern,  in zone_append_f()
1969     ret = do_aio_zone_append(blk, &qiov, &offset, flags, &total);  in zone_append_f()
1981     qemu_io_free(blk, buf, qiov.size,  in zone_append_f()
1997 static int truncate_f(BlockBackend *blk, int argc, char **argv);
2009 static int truncate_f(BlockBackend *blk, int argc, char **argv)  in truncate_f()  argument
2043     ret = blk_truncate(blk, offset, false, prealloc, 0, &local_err);  in truncate_f()
2052 static int length_f(BlockBackend *blk, int argc, char **argv)  in length_f()  argument
2057     size = blk_getlength(blk);  in length_f()
2077 static int info_f(BlockBackend *blk, int argc, char **argv)  in info_f()  argument
2079     BlockDriverState *bs = blk_bs(blk);  in info_f()
2146 static int discard_f(BlockBackend *blk, int argc, char **argv);
2160 static int discard_f(BlockBackend *blk, int argc, char **argv)  in discard_f()  argument
2204     ret = blk_pdiscard(blk, offset, bytes);  in discard_f()
2221 static int alloc_f(BlockBackend *blk, int argc, char **argv)  in alloc_f()  argument
2223     BlockDriverState *bs = blk_bs(blk);  in alloc_f()
2311 static int map_f(BlockBackend *blk, int argc, char **argv)  in map_f()  argument
2320     bytes = blk_getlength(blk);  in map_f()
2327         ret = map_is_allocated(blk_bs(blk), offset, bytes, &num);  in map_f()
2374 static int reopen_f(BlockBackend *blk, int argc, char **argv);
2396 static int reopen_f(BlockBackend *blk, int argc, char **argv)  in reopen_f()  argument
2398     BlockDriverState *bs = blk_bs(blk);  in reopen_f()
2403     bool writethrough = !blk_enable_write_cache(blk);  in reopen_f()
2452     if (!writethrough != blk_enable_write_cache(blk) &&  in reopen_f()
2453         blk_get_attached_dev(blk))  in reopen_f()
2465         blk_get_perm(blk, &orig_perm, &orig_shared_perm);  in reopen_f()
2466         blk_set_perm(blk,  in reopen_f()
2505     blk_set_enable_write_cache(blk, !writethrough);  in reopen_f()
2509 static int break_f(BlockBackend *blk, int argc, char **argv)  in break_f()  argument
2513     ret = bdrv_debug_breakpoint(blk_bs(blk), argv[1], argv[2]);  in break_f()
2522 static int remove_break_f(BlockBackend *blk, int argc, char **argv)  in remove_break_f()  argument
2526     ret = bdrv_debug_remove_breakpoint(blk_bs(blk), argv[1]);  in remove_break_f()
2554 static int resume_f(BlockBackend *blk, int argc, char **argv)  in resume_f()  argument
2558     ret = bdrv_debug_resume(blk_bs(blk), argv[1]);  in resume_f()
2576 static int wait_break_f(BlockBackend *blk, int argc, char **argv)  in wait_break_f()  argument
2578     while (!bdrv_debug_is_suspended(blk_bs(blk), argv[1])) {  in wait_break_f()
2579         aio_poll(blk_get_aio_context(blk), true);  in wait_break_f()
2593 static int abort_f(BlockBackend *blk, int argc, char **argv)  in abort_f()  argument
2619 static int sigraise_f(BlockBackend *blk, int argc, char **argv);
2632 static int sigraise_f(BlockBackend *blk, int argc, char **argv)  in sigraise_f()  argument
2661 static int sleep_f(BlockBackend *blk, int argc, char **argv)  in sleep_f()  argument
2722 static int help_f(BlockBackend *blk, int argc, char **argv)  in help_f()  argument
2756 int qemuio_command(BlockBackend *blk, const char *cmd)  in qemuio_command()  argument
2769             ret = command(blk, ct, c, v);  in qemuio_command()