103 bool blkconf_blocksizes(BlockConf *conf, Error **errp)  in blkconf_blocksizes()  argument
105     BlockBackend *blk = conf->blk;  in blkconf_blocksizes()
111     switch (conf->backend_defaults) {  in blkconf_blocksizes()
133     if (!conf->physical_block_size) {  in blkconf_blocksizes()
135            conf->physical_block_size = blocksizes.phys;  in blkconf_blocksizes()
137             conf->physical_block_size = BDRV_SECTOR_SIZE;  in blkconf_blocksizes()
140     if (!conf->logical_block_size) {  in blkconf_blocksizes()
142             conf->logical_block_size = blocksizes.log;  in blkconf_blocksizes()
144             conf->logical_block_size = BDRV_SECTOR_SIZE;  in blkconf_blocksizes()
148         if (!conf->opt_io_size) {  in blkconf_blocksizes()
149             conf->opt_io_size = bs->bl.opt_transfer;  in blkconf_blocksizes()
151         if (conf->discard_granularity == -1) {  in blkconf_blocksizes()
153                 conf->discard_granularity = bs->bl.pdiscard_alignment;  in blkconf_blocksizes()
155                 conf->discard_granularity = bs->bl.request_alignment;  in blkconf_blocksizes()
160     if (conf->logical_block_size > conf->physical_block_size) {  in blkconf_blocksizes()
166     if (!QEMU_IS_ALIGNED(conf->min_io_size, conf->logical_block_size)) {  in blkconf_blocksizes()
176     if (conf->min_io_size / conf->logical_block_size > UINT16_MAX) {  in blkconf_blocksizes()
182     if (!QEMU_IS_ALIGNED(conf->opt_io_size, conf->logical_block_size)) {  in blkconf_blocksizes()
188     if (conf->discard_granularity != -1 &&  in blkconf_blocksizes()
189         !QEMU_IS_ALIGNED(conf->discard_granularity,  in blkconf_blocksizes()
190                          conf->logical_block_size)) {  in blkconf_blocksizes()
199 bool blkconf_apply_backend_options(BlockConf *conf, bool readonly,  in blkconf_apply_backend_options()  argument
202     BlockBackend *blk = conf->blk;  in blkconf_apply_backend_options()
217     if (conf->share_rw) {  in blkconf_apply_backend_options()
226     switch (conf->wce) {  in blkconf_apply_backend_options()
234     rerror = conf->rerror;  in blkconf_apply_backend_options()
239     werror = conf->werror;  in blkconf_apply_backend_options()
247     block_acct_setup(blk_get_stats(blk), conf->account_invalid,  in blkconf_apply_backend_options()
248                      conf->account_failed);  in blkconf_apply_backend_options()
252 bool blkconf_geometry(BlockConf *conf, int *ptrans,  in blkconf_geometry()  argument
256     if (!conf->cyls && !conf->heads && !conf->secs) {  in blkconf_geometry()
257         hd_geometry_guess(conf->blk,  in blkconf_geometry()
258                           &conf->cyls, &conf->heads, &conf->secs,  in blkconf_geometry()
261         *ptrans = hd_bios_chs_auto_trans(conf->cyls, conf->heads, conf->secs);  in blkconf_geometry()
263     if (conf->cyls || conf->heads || conf->secs) {  in blkconf_geometry()
264         if (conf->cyls < 1 || conf->cyls > cyls_max) {  in blkconf_geometry()
268         if (conf->heads < 1 || conf->heads > heads_max) {  in blkconf_geometry()
272         if (conf->secs < 1 || conf->secs > secs_max) {  in blkconf_geometry()