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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::834; envelope-from=kit.westneat@gmail.com; helo=mail-qt1-x834.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, Kit Westneat Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmail.com) Content-Type: text/plain; charset="utf-8" Allow users to specify the logical and physical block sizes of the qdev for testing purposes. Signed-off-by: Kit Westneat --- block/blkdebug.c | 39 +++++++++++++++++++++++++++++++++------ 1 file changed, 33 insertions(+), 6 deletions(-) diff --git a/block/blkdebug.c b/block/blkdebug.c index d5f589920c..85b3973427 100644 --- a/block/blkdebug.c +++ b/block/blkdebug.c @@ -48,6 +48,8 @@ typedef struct BDRVBlkdebugState { uint64_t opt_discard; uint64_t max_discard; uint64_t blocksize; + uint64_t phys_blocksize; + uint64_t log_blocksize; =20 uint64_t take_child_perms; uint64_t unshare_child_perms; @@ -459,7 +461,17 @@ static QemuOptsList runtime_opts =3D { { .name =3D "blocksize", .type =3D QEMU_OPT_SIZE, - .help =3D "Blocksize of device", + .help =3D "Blocksize of device (512 default)", + }, + { + .name =3D "phys-blocksize", + .type =3D QEMU_OPT_SIZE, + .help =3D "Physical blocksize of device (Defaults to 'blocksiz= e')", + }, + { + .name =3D "log-blocksize", + .type =3D QEMU_OPT_SIZE, + .help =3D "Logical blocksize of device (Defaults to 'blocksize= ')", }, { /* end of list */ } }, @@ -576,6 +588,22 @@ static int blkdebug_open(BlockDriverState *bs, QDict *= options, int flags, goto out; } =20 + s->phys_blocksize =3D qemu_opt_get_size(opts, "phys-blocksize", 0); + if (s->phys_blocksize && (s->phys_blocksize >=3D INT_MAX || + !is_power_of_2(s->phys_blocksize))) { + error_setg(errp, "Cannot meet constraints with phys-blocksize %" P= RIu64, + s->phys_blocksize); + goto out; + } + + s->log_blocksize =3D qemu_opt_get_size(opts, "log-blocksize", 0); + if (s->log_blocksize && (s->log_blocksize >=3D INT_MAX || + !is_power_of_2(s->log_blocksize))) { + error_setg(errp, "Cannot meet constraints with log-blocksize %" PR= Iu64, + s->log_blocksize); + goto out; + } + bdrv_debug_event(bs, BLKDBG_NONE); =20 ret =3D 0; @@ -1002,12 +1030,9 @@ static int blkdebug_probe_blocksizes(BlockDriverStat= e *bs, BlockSizes *bsz) { BDRVBlkdebugState *s =3D bs->opaque; =20 - if (!s->blocksize) { - return 0; - } + bsz->phys =3D s->phys_blocksize ? s->phys_blocksize : s->blocksize; + bsz->log =3D s->log_blocksize ? s->log_blocksize : s->blocksize; =20 - bsz->phys =3D s->blocksize; - bsz->log =3D s->blocksize; return 0; } =20 @@ -1038,6 +1063,8 @@ static const char *const blkdebug_strong_runtime_opts= [] =3D { "set-state.", "align", "blocksize", + "phys-blocksize", + "log-blocksize", "max-transfer", "opt-write-zero", "max-write-zero", --=20 2.26.3