Block layer patches
-----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJaPRH9AAoJEH8JsnLIjy/WKQsP/joksBaqEaoiaSuxQT0zdWw8 aarGpqR0O3+EyVa1lUADtxr31auitL0OWtFFV0tgsMVbixNoebPdWFA0Z7pJ8a7F dpLeqkSv01mylMRDe5pTzEuW1ZhBSO5mQQe87FpdO+UkAYQN7TJ+8mhRkZUQ2zNB xMjTpQIz0Dee5Yh81EMLmgWZRGCgXgw4r5nolVV1B8/E6Nsmx24OtM9jaMNpHjGg k6HfS9w2fPNDd0Ca70eZ96r3tbTHtMinXIGE77xGrNZcp7nyfGPELFud408Wx2Eo CqGqdQBGwxnKl+Dg1LuLP8sLp5l2YUrEB0g1Fso/kpu5ehWaOtJX6neDc8PL8QUc Juu7RTS0YaBtwrUnhC4X5pGCqqvl3KFYZEvCWjU/l1Q1kPwjABOLBUzRtKllwLxR jOR4401tyug+PZrFaJ5GzbHJPIpcrTH35jqXEnqrLPN3ewwzhfoN6CDWepQ8XBck kJl2bdQxDeauBzbMr28QqSREZol51OVelL8b65Hq3l/iZEIoQTCrCYurZ4jwpJ08 mh95RqxK2VTOxqafFqqfBJAy1CFmDpVj8z0P7PcuUNCw7bVb/Arw/zSpgQcYwdNL OSH+TbCF8sO4D03Y0jukhOQCkTq27VZLj7a4uycAjnpecJ7wfwuOxsEyQi+/Ir7b CmWvYiYgu5sEwg9wHdnI =1b+A -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging Block layer patches # gpg: Signature made Fri 22 Dec 2017 14:09:01 GMT # gpg: using RSA key 0x7F09B272C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kevin/tags/for-upstream: (35 commits) block: Keep nodes drained between reopen_queue/multiple commit: Simplify reopen of base test-bdrv-drain: Test graph changes in drained section block: Allow graph changes in subtree drained section test-bdrv-drain: Recursive draining with multiple parents test-bdrv-drain: Test behaviour in coroutine context test-bdrv-drain: Tests for bdrv_subtree_drain block: Add bdrv_subtree_drained_begin/end() block: Don't notify parents in drain call chain test-bdrv-drain: Test nested drain sections block: Nested drain_end must still call callbacks block: Don't block_job_pause_all() in bdrv_drain_all() test-bdrv-drain: Test drain vs. block jobs blockjob: Pause job on draining any job BDS test-bdrv-drain: Test bs->quiesce_counter test-bdrv-drain: Test callback for bdrv_drain block: Make bdrv_drain() driver callbacks non-recursive block: Assert drain_all is only called from main AioContext block: Remove unused bdrv_requests_pending block: Mention -drive cyls/heads/secs/trans/serial/addr in deprecation chapter ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
commit
799044b6a3
75
block.c
75
block.c
@ -822,6 +822,18 @@ static void bdrv_child_cb_drained_end(BdrvChild *child)
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bdrv_drained_end(bs);
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}
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static void bdrv_child_cb_attach(BdrvChild *child)
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{
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BlockDriverState *bs = child->opaque;
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bdrv_apply_subtree_drain(child, bs);
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}
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static void bdrv_child_cb_detach(BdrvChild *child)
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{
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BlockDriverState *bs = child->opaque;
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bdrv_unapply_subtree_drain(child, bs);
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}
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static int bdrv_child_cb_inactivate(BdrvChild *child)
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{
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BlockDriverState *bs = child->opaque;
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@ -889,6 +901,8 @@ const BdrvChildRole child_file = {
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.inherit_options = bdrv_inherited_options,
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.drained_begin = bdrv_child_cb_drained_begin,
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.drained_end = bdrv_child_cb_drained_end,
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.attach = bdrv_child_cb_attach,
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.detach = bdrv_child_cb_detach,
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.inactivate = bdrv_child_cb_inactivate,
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};
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@ -911,6 +925,8 @@ const BdrvChildRole child_format = {
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.inherit_options = bdrv_inherited_fmt_options,
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.drained_begin = bdrv_child_cb_drained_begin,
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.drained_end = bdrv_child_cb_drained_end,
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.attach = bdrv_child_cb_attach,
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.detach = bdrv_child_cb_detach,
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.inactivate = bdrv_child_cb_inactivate,
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};
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@ -953,6 +969,8 @@ static void bdrv_backing_attach(BdrvChild *c)
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parent->backing_blocker);
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bdrv_op_unblock(backing_hd, BLOCK_OP_TYPE_BACKUP_TARGET,
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parent->backing_blocker);
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bdrv_child_cb_attach(c);
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}
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static void bdrv_backing_detach(BdrvChild *c)
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@ -963,6 +981,8 @@ static void bdrv_backing_detach(BdrvChild *c)
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bdrv_op_unblock_all(c->bs, parent->backing_blocker);
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error_free(parent->backing_blocker);
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parent->backing_blocker = NULL;
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bdrv_child_cb_detach(c);
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}
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/*
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@ -1924,6 +1944,8 @@ void bdrv_format_default_perms(BlockDriverState *bs, BdrvChild *c,
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assert(role == &child_backing || role == &child_file);
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if (!backing) {
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int flags = bdrv_reopen_get_flags(reopen_queue, bs);
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/* Apart from the modifications below, the same permissions are
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* forwarded and left alone as for filters */
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bdrv_filter_default_perms(bs, c, role, reopen_queue, perm, shared,
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@ -1936,7 +1958,9 @@ void bdrv_format_default_perms(BlockDriverState *bs, BdrvChild *c,
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/* bs->file always needs to be consistent because of the metadata. We
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* can never allow other users to resize or write to it. */
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perm |= BLK_PERM_CONSISTENT_READ;
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if (!(flags & BDRV_O_NO_IO)) {
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perm |= BLK_PERM_CONSISTENT_READ;
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}
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shared &= ~(BLK_PERM_WRITE | BLK_PERM_RESIZE);
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} else {
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/* We want consistent read from backing files if the parent needs it.
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@ -1968,17 +1992,23 @@ static void bdrv_replace_child_noperm(BdrvChild *child,
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BlockDriverState *new_bs)
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{
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BlockDriverState *old_bs = child->bs;
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int i;
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if (old_bs && new_bs) {
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assert(bdrv_get_aio_context(old_bs) == bdrv_get_aio_context(new_bs));
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}
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if (old_bs) {
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if (old_bs->quiesce_counter && child->role->drained_end) {
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child->role->drained_end(child);
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}
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/* Detach first so that the recursive drain sections coming from @child
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* are already gone and we only end the drain sections that came from
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* elsewhere. */
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if (child->role->detach) {
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child->role->detach(child);
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}
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if (old_bs->quiesce_counter && child->role->drained_end) {
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for (i = 0; i < old_bs->quiesce_counter; i++) {
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child->role->drained_end(child);
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}
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}
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QLIST_REMOVE(child, next_parent);
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}
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@ -1987,9 +2017,14 @@ static void bdrv_replace_child_noperm(BdrvChild *child,
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if (new_bs) {
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QLIST_INSERT_HEAD(&new_bs->parents, child, next_parent);
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if (new_bs->quiesce_counter && child->role->drained_begin) {
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child->role->drained_begin(child);
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for (i = 0; i < new_bs->quiesce_counter; i++) {
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child->role->drained_begin(child);
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}
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}
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/* Attach only after starting new drained sections, so that recursive
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* drain sections coming from @child don't get an extra .drained_begin
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* callback. */
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if (child->role->attach) {
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child->role->attach(child);
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}
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@ -2731,6 +2766,7 @@ BlockDriverState *bdrv_open(const char *filename, const char *reference,
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* returns a pointer to bs_queue, which is either the newly allocated
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* bs_queue, or the existing bs_queue being used.
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*
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* bs must be drained between bdrv_reopen_queue() and bdrv_reopen_multiple().
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*/
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static BlockReopenQueue *bdrv_reopen_queue_child(BlockReopenQueue *bs_queue,
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BlockDriverState *bs,
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@ -2746,6 +2782,11 @@ static BlockReopenQueue *bdrv_reopen_queue_child(BlockReopenQueue *bs_queue,
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BdrvChild *child;
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QDict *old_options, *explicit_options;
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/* Make sure that the caller remembered to use a drained section. This is
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* important to avoid graph changes between the recursive queuing here and
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* bdrv_reopen_multiple(). */
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assert(bs->quiesce_counter > 0);
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if (bs_queue == NULL) {
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bs_queue = g_new0(BlockReopenQueue, 1);
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QSIMPLEQ_INIT(bs_queue);
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@ -2870,6 +2911,8 @@ BlockReopenQueue *bdrv_reopen_queue(BlockReopenQueue *bs_queue,
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* If all devices prepare successfully, then the changes are committed
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* to all devices.
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*
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* All affected nodes must be drained between bdrv_reopen_queue() and
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* bdrv_reopen_multiple().
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*/
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int bdrv_reopen_multiple(AioContext *ctx, BlockReopenQueue *bs_queue, Error **errp)
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{
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@ -2879,11 +2922,8 @@ int bdrv_reopen_multiple(AioContext *ctx, BlockReopenQueue *bs_queue, Error **er
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assert(bs_queue != NULL);
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aio_context_release(ctx);
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bdrv_drain_all_begin();
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aio_context_acquire(ctx);
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QSIMPLEQ_FOREACH(bs_entry, bs_queue, entry) {
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assert(bs_entry->state.bs->quiesce_counter > 0);
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if (bdrv_reopen_prepare(&bs_entry->state, bs_queue, &local_err)) {
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error_propagate(errp, local_err);
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goto cleanup;
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@ -2912,8 +2952,6 @@ cleanup:
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}
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g_free(bs_queue);
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bdrv_drain_all_end();
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return ret;
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}
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@ -2923,12 +2961,18 @@ int bdrv_reopen(BlockDriverState *bs, int bdrv_flags, Error **errp)
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{
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int ret = -1;
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Error *local_err = NULL;
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BlockReopenQueue *queue = bdrv_reopen_queue(NULL, bs, NULL, bdrv_flags);
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BlockReopenQueue *queue;
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bdrv_subtree_drained_begin(bs);
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queue = bdrv_reopen_queue(NULL, bs, NULL, bdrv_flags);
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ret = bdrv_reopen_multiple(bdrv_get_aio_context(bs), queue, &local_err);
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if (local_err != NULL) {
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error_propagate(errp, local_err);
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}
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bdrv_subtree_drained_end(bs);
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return ret;
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}
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@ -4601,10 +4645,11 @@ void bdrv_img_create(const char *filename, const char *fmt,
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back_flags = flags;
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back_flags &= ~(BDRV_O_RDWR | BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING);
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backing_options = qdict_new();
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if (backing_fmt) {
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backing_options = qdict_new();
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qdict_put_str(backing_options, "driver", backing_fmt);
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}
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qdict_put_bool(backing_options, BDRV_OPT_FORCE_SHARE, true);
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bs = bdrv_open(full_backing, NULL, backing_options, back_flags,
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&local_err);
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@ -4754,7 +4799,7 @@ void bdrv_set_aio_context(BlockDriverState *bs, AioContext *new_context)
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AioContext *ctx = bdrv_get_aio_context(bs);
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aio_disable_external(ctx);
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bdrv_parent_drained_begin(bs);
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bdrv_parent_drained_begin(bs, NULL);
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bdrv_drain(bs); /* ensure there are no in-flight requests */
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while (aio_poll(ctx, false)) {
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@ -4768,7 +4813,7 @@ void bdrv_set_aio_context(BlockDriverState *bs, AioContext *new_context)
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*/
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aio_context_acquire(new_context);
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bdrv_attach_aio_context(bs, new_context);
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bdrv_parent_drained_end(bs);
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bdrv_parent_drained_end(bs, NULL);
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aio_enable_external(ctx);
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aio_context_release(new_context);
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}
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@ -277,7 +277,6 @@ void commit_start(const char *job_id, BlockDriverState *bs,
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const char *filter_node_name, Error **errp)
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{
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CommitBlockJob *s;
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BlockReopenQueue *reopen_queue = NULL;
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int orig_base_flags;
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BlockDriverState *iter;
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BlockDriverState *commit_top_bs = NULL;
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@ -299,12 +298,7 @@ void commit_start(const char *job_id, BlockDriverState *bs,
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/* convert base to r/w, if necessary */
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orig_base_flags = bdrv_get_flags(base);
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if (!(orig_base_flags & BDRV_O_RDWR)) {
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reopen_queue = bdrv_reopen_queue(reopen_queue, base, NULL,
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orig_base_flags | BDRV_O_RDWR);
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}
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if (reopen_queue) {
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bdrv_reopen_multiple(bdrv_get_aio_context(bs), reopen_queue, &local_err);
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bdrv_reopen(base, orig_base_flags | BDRV_O_RDWR, &local_err);
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if (local_err != NULL) {
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error_propagate(errp, local_err);
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goto fail;
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172
block/io.c
172
block/io.c
@ -40,22 +40,28 @@
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static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs,
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int64_t offset, int bytes, BdrvRequestFlags flags);
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void bdrv_parent_drained_begin(BlockDriverState *bs)
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void bdrv_parent_drained_begin(BlockDriverState *bs, BdrvChild *ignore)
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{
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BdrvChild *c, *next;
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QLIST_FOREACH_SAFE(c, &bs->parents, next_parent, next) {
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if (c == ignore) {
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continue;
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}
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if (c->role->drained_begin) {
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c->role->drained_begin(c);
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}
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}
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}
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void bdrv_parent_drained_end(BlockDriverState *bs)
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void bdrv_parent_drained_end(BlockDriverState *bs, BdrvChild *ignore)
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{
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BdrvChild *c, *next;
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QLIST_FOREACH_SAFE(c, &bs->parents, next_parent, next) {
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if (c == ignore) {
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continue;
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}
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if (c->role->drained_end) {
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c->role->drained_end(c);
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}
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@ -134,29 +140,13 @@ void bdrv_disable_copy_on_read(BlockDriverState *bs)
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assert(old >= 1);
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}
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/* Check if any requests are in-flight (including throttled requests) */
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bool bdrv_requests_pending(BlockDriverState *bs)
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{
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BdrvChild *child;
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if (atomic_read(&bs->in_flight)) {
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return true;
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}
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QLIST_FOREACH(child, &bs->children, next) {
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if (bdrv_requests_pending(child->bs)) {
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return true;
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}
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}
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return false;
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}
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typedef struct {
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Coroutine *co;
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BlockDriverState *bs;
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bool done;
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bool begin;
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bool recursive;
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BdrvChild *parent;
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} BdrvCoDrainData;
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static void coroutine_fn bdrv_drain_invoke_entry(void *opaque)
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@ -175,8 +165,10 @@ static void coroutine_fn bdrv_drain_invoke_entry(void *opaque)
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bdrv_wakeup(bs);
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}
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static void bdrv_drain_invoke(BlockDriverState *bs, bool begin)
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/* Recursively call BlockDriver.bdrv_co_drain_begin/end callbacks */
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static void bdrv_drain_invoke(BlockDriverState *bs, bool begin, bool recursive)
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{
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BdrvChild *child, *tmp;
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BdrvCoDrainData data = { .bs = bs, .done = false, .begin = begin};
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if (!bs->drv || (begin && !bs->drv->bdrv_co_drain_begin) ||
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@ -187,16 +179,19 @@ static void bdrv_drain_invoke(BlockDriverState *bs, bool begin)
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data.co = qemu_coroutine_create(bdrv_drain_invoke_entry, &data);
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bdrv_coroutine_enter(bs, data.co);
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BDRV_POLL_WHILE(bs, !data.done);
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if (recursive) {
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QLIST_FOREACH_SAFE(child, &bs->children, next, tmp) {
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bdrv_drain_invoke(child->bs, begin, true);
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}
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}
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}
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static bool bdrv_drain_recurse(BlockDriverState *bs, bool begin)
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static bool bdrv_drain_recurse(BlockDriverState *bs)
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{
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BdrvChild *child, *tmp;
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bool waited;
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/* Ensure any pending metadata writes are submitted to bs->file. */
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bdrv_drain_invoke(bs, begin);
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/* Wait for drained requests to finish */
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waited = BDRV_POLL_WHILE(bs, atomic_read(&bs->in_flight) > 0);
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@ -215,7 +210,7 @@ static bool bdrv_drain_recurse(BlockDriverState *bs, bool begin)
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*/
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bdrv_ref(bs);
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}
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waited |= bdrv_drain_recurse(bs, begin);
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waited |= bdrv_drain_recurse(bs);
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if (in_main_loop) {
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bdrv_unref(bs);
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}
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@ -224,6 +219,11 @@ static bool bdrv_drain_recurse(BlockDriverState *bs, bool begin)
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return waited;
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}
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static void bdrv_do_drained_begin(BlockDriverState *bs, bool recursive,
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BdrvChild *parent);
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static void bdrv_do_drained_end(BlockDriverState *bs, bool recursive,
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BdrvChild *parent);
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static void bdrv_co_drain_bh_cb(void *opaque)
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{
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BdrvCoDrainData *data = opaque;
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@ -232,9 +232,9 @@ static void bdrv_co_drain_bh_cb(void *opaque)
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bdrv_dec_in_flight(bs);
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if (data->begin) {
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bdrv_drained_begin(bs);
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bdrv_do_drained_begin(bs, data->recursive, data->parent);
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} else {
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bdrv_drained_end(bs);
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bdrv_do_drained_end(bs, data->recursive, data->parent);
|
||||
}
|
||||
|
||||
data->done = true;
|
||||
@ -242,7 +242,8 @@ static void bdrv_co_drain_bh_cb(void *opaque)
|
||||
}
|
||||
|
||||
static void coroutine_fn bdrv_co_yield_to_drain(BlockDriverState *bs,
|
||||
bool begin)
|
||||
bool begin, bool recursive,
|
||||
BdrvChild *parent)
|
||||
{
|
||||
BdrvCoDrainData data;
|
||||
|
||||
@ -256,6 +257,8 @@ static void coroutine_fn bdrv_co_yield_to_drain(BlockDriverState *bs,
|
||||
.bs = bs,
|
||||
.done = false,
|
||||
.begin = begin,
|
||||
.recursive = recursive,
|
||||
.parent = parent,
|
||||
};
|
||||
bdrv_inc_in_flight(bs);
|
||||
aio_bh_schedule_oneshot(bdrv_get_aio_context(bs),
|
||||
@ -267,35 +270,97 @@ static void coroutine_fn bdrv_co_yield_to_drain(BlockDriverState *bs,
|
||||
assert(data.done);
|
||||
}
|
||||
|
||||
void bdrv_drained_begin(BlockDriverState *bs)
|
||||
void bdrv_do_drained_begin(BlockDriverState *bs, bool recursive,
|
||||
BdrvChild *parent)
|
||||
{
|
||||
BdrvChild *child, *next;
|
||||
|
||||
if (qemu_in_coroutine()) {
|
||||
bdrv_co_yield_to_drain(bs, true);
|
||||
bdrv_co_yield_to_drain(bs, true, recursive, parent);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Stop things in parent-to-child order */
|
||||
if (atomic_fetch_inc(&bs->quiesce_counter) == 0) {
|
||||
aio_disable_external(bdrv_get_aio_context(bs));
|
||||
bdrv_parent_drained_begin(bs);
|
||||
}
|
||||
|
||||
bdrv_drain_recurse(bs, true);
|
||||
bdrv_parent_drained_begin(bs, parent);
|
||||
bdrv_drain_invoke(bs, true, false);
|
||||
bdrv_drain_recurse(bs);
|
||||
|
||||
if (recursive) {
|
||||
bs->recursive_quiesce_counter++;
|
||||
QLIST_FOREACH_SAFE(child, &bs->children, next, next) {
|
||||
bdrv_do_drained_begin(child->bs, true, child);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void bdrv_drained_begin(BlockDriverState *bs)
|
||||
{
|
||||
bdrv_do_drained_begin(bs, false, NULL);
|
||||
}
|
||||
|
||||
void bdrv_subtree_drained_begin(BlockDriverState *bs)
|
||||
{
|
||||
bdrv_do_drained_begin(bs, true, NULL);
|
||||
}
|
||||
|
||||
void bdrv_do_drained_end(BlockDriverState *bs, bool recursive,
|
||||
BdrvChild *parent)
|
||||
{
|
||||
BdrvChild *child, *next;
|
||||
int old_quiesce_counter;
|
||||
|
||||
if (qemu_in_coroutine()) {
|
||||
bdrv_co_yield_to_drain(bs, false, recursive, parent);
|
||||
return;
|
||||
}
|
||||
assert(bs->quiesce_counter > 0);
|
||||
old_quiesce_counter = atomic_fetch_dec(&bs->quiesce_counter);
|
||||
|
||||
/* Re-enable things in child-to-parent order */
|
||||
bdrv_drain_invoke(bs, false, false);
|
||||
bdrv_parent_drained_end(bs, parent);
|
||||
if (old_quiesce_counter == 1) {
|
||||
aio_enable_external(bdrv_get_aio_context(bs));
|
||||
}
|
||||
|
||||
if (recursive) {
|
||||
bs->recursive_quiesce_counter--;
|
||||
QLIST_FOREACH_SAFE(child, &bs->children, next, next) {
|
||||
bdrv_do_drained_end(child->bs, true, child);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void bdrv_drained_end(BlockDriverState *bs)
|
||||
{
|
||||
if (qemu_in_coroutine()) {
|
||||
bdrv_co_yield_to_drain(bs, false);
|
||||
return;
|
||||
}
|
||||
assert(bs->quiesce_counter > 0);
|
||||
if (atomic_fetch_dec(&bs->quiesce_counter) > 1) {
|
||||
return;
|
||||
}
|
||||
bdrv_do_drained_end(bs, false, NULL);
|
||||
}
|
||||
|
||||
bdrv_parent_drained_end(bs);
|
||||
bdrv_drain_recurse(bs, false);
|
||||
aio_enable_external(bdrv_get_aio_context(bs));
|
||||
void bdrv_subtree_drained_end(BlockDriverState *bs)
|
||||
{
|
||||
bdrv_do_drained_end(bs, true, NULL);
|
||||
}
|
||||
|
||||
void bdrv_apply_subtree_drain(BdrvChild *child, BlockDriverState *new_parent)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < new_parent->recursive_quiesce_counter; i++) {
|
||||
bdrv_do_drained_begin(child->bs, true, child);
|
||||
}
|
||||
}
|
||||
|
||||
void bdrv_unapply_subtree_drain(BdrvChild *child, BlockDriverState *old_parent)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < old_parent->recursive_quiesce_counter; i++) {
|
||||
bdrv_do_drained_end(child->bs, true, child);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
@ -342,14 +407,20 @@ void bdrv_drain_all_begin(void)
|
||||
BdrvNextIterator it;
|
||||
GSList *aio_ctxs = NULL, *ctx;
|
||||
|
||||
block_job_pause_all();
|
||||
/* BDRV_POLL_WHILE() for a node can only be called from its own I/O thread
|
||||
* or the main loop AioContext. We potentially use BDRV_POLL_WHILE() on
|
||||
* nodes in several different AioContexts, so make sure we're in the main
|
||||
* context. */
|
||||
assert(qemu_get_current_aio_context() == qemu_get_aio_context());
|
||||
|
||||
for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
|
||||
AioContext *aio_context = bdrv_get_aio_context(bs);
|
||||
|
||||
/* Stop things in parent-to-child order */
|
||||
aio_context_acquire(aio_context);
|
||||
bdrv_parent_drained_begin(bs);
|
||||
aio_disable_external(aio_context);
|
||||
bdrv_parent_drained_begin(bs, NULL);
|
||||
bdrv_drain_invoke(bs, true, true);
|
||||
aio_context_release(aio_context);
|
||||
|
||||
if (!g_slist_find(aio_ctxs, aio_context)) {
|
||||
@ -372,7 +443,7 @@ void bdrv_drain_all_begin(void)
|
||||
aio_context_acquire(aio_context);
|
||||
for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
|
||||
if (aio_context == bdrv_get_aio_context(bs)) {
|
||||
waited |= bdrv_drain_recurse(bs, true);
|
||||
waited |= bdrv_drain_recurse(bs);
|
||||
}
|
||||
}
|
||||
aio_context_release(aio_context);
|
||||
@ -390,14 +461,13 @@ void bdrv_drain_all_end(void)
|
||||
for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
|
||||
AioContext *aio_context = bdrv_get_aio_context(bs);
|
||||
|
||||
/* Re-enable things in child-to-parent order */
|
||||
aio_context_acquire(aio_context);
|
||||
bdrv_drain_invoke(bs, false, true);
|
||||
bdrv_parent_drained_end(bs, NULL);
|
||||
aio_enable_external(aio_context);
|
||||
bdrv_parent_drained_end(bs);
|
||||
bdrv_drain_recurse(bs, false);
|
||||
aio_context_release(aio_context);
|
||||
}
|
||||
|
||||
block_job_resume_all();
|
||||
}
|
||||
|
||||
void bdrv_drain_all(void)
|
||||
|
||||
@ -1672,34 +1672,12 @@ static int64_t coroutine_fn qcow2_co_get_block_status(BlockDriverState *bs,
|
||||
return status;
|
||||
}
|
||||
|
||||
/* handle reading after the end of the backing file */
|
||||
int qcow2_backing_read1(BlockDriverState *bs, QEMUIOVector *qiov,
|
||||
int64_t offset, int bytes)
|
||||
{
|
||||
uint64_t bs_size = bs->total_sectors * BDRV_SECTOR_SIZE;
|
||||
int n1;
|
||||
|
||||
if ((offset + bytes) <= bs_size) {
|
||||
return bytes;
|
||||
}
|
||||
|
||||
if (offset >= bs_size) {
|
||||
n1 = 0;
|
||||
} else {
|
||||
n1 = bs_size - offset;
|
||||
}
|
||||
|
||||
qemu_iovec_memset(qiov, n1, 0, bytes - n1);
|
||||
|
||||
return n1;
|
||||
}
|
||||
|
||||
static coroutine_fn int qcow2_co_preadv(BlockDriverState *bs, uint64_t offset,
|
||||
uint64_t bytes, QEMUIOVector *qiov,
|
||||
int flags)
|
||||
{
|
||||
BDRVQcow2State *s = bs->opaque;
|
||||
int offset_in_cluster, n1;
|
||||
int offset_in_cluster;
|
||||
int ret;
|
||||
unsigned int cur_bytes; /* number of bytes in current iteration */
|
||||
uint64_t cluster_offset = 0;
|
||||
@ -1734,26 +1712,13 @@ static coroutine_fn int qcow2_co_preadv(BlockDriverState *bs, uint64_t offset,
|
||||
case QCOW2_CLUSTER_UNALLOCATED:
|
||||
|
||||
if (bs->backing) {
|
||||
/* read from the base image */
|
||||
n1 = qcow2_backing_read1(bs->backing->bs, &hd_qiov,
|
||||
offset, cur_bytes);
|
||||
if (n1 > 0) {
|
||||
QEMUIOVector local_qiov;
|
||||
|
||||
qemu_iovec_init(&local_qiov, hd_qiov.niov);
|
||||
qemu_iovec_concat(&local_qiov, &hd_qiov, 0, n1);
|
||||
|
||||
BLKDBG_EVENT(bs->file, BLKDBG_READ_BACKING_AIO);
|
||||
qemu_co_mutex_unlock(&s->lock);
|
||||
ret = bdrv_co_preadv(bs->backing, offset, n1,
|
||||
&local_qiov, 0);
|
||||
qemu_co_mutex_lock(&s->lock);
|
||||
|
||||
qemu_iovec_destroy(&local_qiov);
|
||||
|
||||
if (ret < 0) {
|
||||
goto fail;
|
||||
}
|
||||
BLKDBG_EVENT(bs->file, BLKDBG_READ_BACKING_AIO);
|
||||
qemu_co_mutex_unlock(&s->lock);
|
||||
ret = bdrv_co_preadv(bs->backing, offset, cur_bytes,
|
||||
&hd_qiov, 0);
|
||||
qemu_co_mutex_lock(&s->lock);
|
||||
if (ret < 0) {
|
||||
goto fail;
|
||||
}
|
||||
} else {
|
||||
/* Note: in this case, no need to wait */
|
||||
|
||||
@ -528,9 +528,6 @@ uint32_t offset_to_reftable_index(BDRVQcow2State *s, uint64_t offset)
|
||||
}
|
||||
|
||||
/* qcow2.c functions */
|
||||
int qcow2_backing_read1(BlockDriverState *bs, QEMUIOVector *qiov,
|
||||
int64_t sector_num, int nb_sectors);
|
||||
|
||||
int64_t qcow2_refcount_metadata_size(int64_t clusters, size_t cluster_size,
|
||||
int refcount_order, bool generous_increase,
|
||||
uint64_t *refblock_count);
|
||||
|
||||
@ -394,6 +394,9 @@ static void reopen_backing_file(BlockDriverState *bs, bool writable,
|
||||
new_secondary_flags = s->orig_secondary_flags;
|
||||
}
|
||||
|
||||
bdrv_subtree_drained_begin(s->hidden_disk->bs);
|
||||
bdrv_subtree_drained_begin(s->secondary_disk->bs);
|
||||
|
||||
if (orig_hidden_flags != new_hidden_flags) {
|
||||
reopen_queue = bdrv_reopen_queue(reopen_queue, s->hidden_disk->bs, NULL,
|
||||
new_hidden_flags);
|
||||
@ -409,6 +412,9 @@ static void reopen_backing_file(BlockDriverState *bs, bool writable,
|
||||
reopen_queue, &local_err);
|
||||
error_propagate(errp, local_err);
|
||||
}
|
||||
|
||||
bdrv_subtree_drained_end(s->hidden_disk->bs);
|
||||
bdrv_subtree_drained_end(s->secondary_disk->bs);
|
||||
}
|
||||
|
||||
static void backup_job_cleanup(BlockDriverState *bs)
|
||||
|
||||
11
blockdev.c
11
blockdev.c
@ -734,10 +734,6 @@ QemuOptsList qemu_legacy_drive_opts = {
|
||||
.name = "trans",
|
||||
.type = QEMU_OPT_STRING,
|
||||
.help = "chs translation (auto, lba, none)",
|
||||
},{
|
||||
.name = "boot",
|
||||
.type = QEMU_OPT_BOOL,
|
||||
.help = "(deprecated, ignored)",
|
||||
},{
|
||||
.name = "addr",
|
||||
.type = QEMU_OPT_STRING,
|
||||
@ -873,13 +869,6 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type)
|
||||
goto fail;
|
||||
}
|
||||
|
||||
/* Deprecated option boot=[on|off] */
|
||||
if (qemu_opt_get(legacy_opts, "boot") != NULL) {
|
||||
fprintf(stderr, "qemu-kvm: boot=on|off is deprecated and will be "
|
||||
"ignored. Future versions will reject this parameter. Please "
|
||||
"update your scripts.\n");
|
||||
}
|
||||
|
||||
/* Other deprecated options */
|
||||
if (!qtest_enabled()) {
|
||||
for (i = 0; i < ARRAY_SIZE(deprecated); i++) {
|
||||
|
||||
22
blockjob.c
22
blockjob.c
@ -234,26 +234,23 @@ static char *child_job_get_parent_desc(BdrvChild *c)
|
||||
job->id);
|
||||
}
|
||||
|
||||
static const BdrvChildRole child_job = {
|
||||
.get_parent_desc = child_job_get_parent_desc,
|
||||
.stay_at_node = true,
|
||||
};
|
||||
|
||||
static void block_job_drained_begin(void *opaque)
|
||||
static void child_job_drained_begin(BdrvChild *c)
|
||||
{
|
||||
BlockJob *job = opaque;
|
||||
BlockJob *job = c->opaque;
|
||||
block_job_pause(job);
|
||||
}
|
||||
|
||||
static void block_job_drained_end(void *opaque)
|
||||
static void child_job_drained_end(BdrvChild *c)
|
||||
{
|
||||
BlockJob *job = opaque;
|
||||
BlockJob *job = c->opaque;
|
||||
block_job_resume(job);
|
||||
}
|
||||
|
||||
static const BlockDevOps block_job_dev_ops = {
|
||||
.drained_begin = block_job_drained_begin,
|
||||
.drained_end = block_job_drained_end,
|
||||
static const BdrvChildRole child_job = {
|
||||
.get_parent_desc = child_job_get_parent_desc,
|
||||
.drained_begin = child_job_drained_begin,
|
||||
.drained_end = child_job_drained_end,
|
||||
.stay_at_node = true,
|
||||
};
|
||||
|
||||
void block_job_remove_all_bdrv(BlockJob *job)
|
||||
@ -715,7 +712,6 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
|
||||
block_job_add_bdrv(job, "main node", bs, 0, BLK_PERM_ALL, &error_abort);
|
||||
bs->job = job;
|
||||
|
||||
blk_set_dev_ops(blk, &block_job_dev_ops, job);
|
||||
bdrv_op_unblock(bs, BLOCK_OP_TYPE_DATAPLANE, job->blocker);
|
||||
|
||||
QLIST_INSERT_HEAD(&block_jobs, job, job_list);
|
||||
|
||||
6
hmp.c
6
hmp.c
@ -2318,7 +2318,6 @@ void hmp_qemu_io(Monitor *mon, const QDict *qdict)
|
||||
{
|
||||
BlockBackend *blk;
|
||||
BlockBackend *local_blk = NULL;
|
||||
AioContext *aio_context;
|
||||
const char* device = qdict_get_str(qdict, "device");
|
||||
const char* command = qdict_get_str(qdict, "command");
|
||||
Error *err = NULL;
|
||||
@ -2338,9 +2337,6 @@ void hmp_qemu_io(Monitor *mon, const QDict *qdict)
|
||||
}
|
||||
}
|
||||
|
||||
aio_context = blk_get_aio_context(blk);
|
||||
aio_context_acquire(aio_context);
|
||||
|
||||
/*
|
||||
* Notably absent: Proper permission management. This is sad, but it seems
|
||||
* almost impossible to achieve without changing the semantics and thereby
|
||||
@ -2368,8 +2364,6 @@ void hmp_qemu_io(Monitor *mon, const QDict *qdict)
|
||||
*/
|
||||
qemuio_command(blk, command);
|
||||
|
||||
aio_context_release(aio_context);
|
||||
|
||||
fail:
|
||||
blk_unref(local_blk);
|
||||
hmp_handle_error(mon, &err);
|
||||
|
||||
349
hw/block/nvme.c
349
hw/block/nvme.c
@ -34,8 +34,17 @@
|
||||
#include "qapi/visitor.h"
|
||||
#include "sysemu/block-backend.h"
|
||||
|
||||
#include "qemu/log.h"
|
||||
#include "trace.h"
|
||||
#include "nvme.h"
|
||||
|
||||
#define NVME_GUEST_ERR(trace, fmt, ...) \
|
||||
do { \
|
||||
(trace_##trace)(__VA_ARGS__); \
|
||||
qemu_log_mask(LOG_GUEST_ERROR, #trace \
|
||||
" in %s: " fmt "\n", __func__, ## __VA_ARGS__); \
|
||||
} while (0)
|
||||
|
||||
static void nvme_process_sq(void *opaque);
|
||||
|
||||
static void nvme_addr_read(NvmeCtrl *n, hwaddr addr, void *buf, int size)
|
||||
@ -86,10 +95,14 @@ static void nvme_isr_notify(NvmeCtrl *n, NvmeCQueue *cq)
|
||||
{
|
||||
if (cq->irq_enabled) {
|
||||
if (msix_enabled(&(n->parent_obj))) {
|
||||
trace_nvme_irq_msix(cq->vector);
|
||||
msix_notify(&(n->parent_obj), cq->vector);
|
||||
} else {
|
||||
trace_nvme_irq_pin();
|
||||
pci_irq_pulse(&n->parent_obj);
|
||||
}
|
||||
} else {
|
||||
trace_nvme_irq_masked();
|
||||
}
|
||||
}
|
||||
|
||||
@ -100,7 +113,8 @@ static uint16_t nvme_map_prp(QEMUSGList *qsg, QEMUIOVector *iov, uint64_t prp1,
|
||||
trans_len = MIN(len, trans_len);
|
||||
int num_prps = (len >> n->page_bits) + 1;
|
||||
|
||||
if (!prp1) {
|
||||
if (unlikely(!prp1)) {
|
||||
trace_nvme_err_invalid_prp();
|
||||
return NVME_INVALID_FIELD | NVME_DNR;
|
||||
} else if (n->cmbsz && prp1 >= n->ctrl_mem.addr &&
|
||||
prp1 < n->ctrl_mem.addr + int128_get64(n->ctrl_mem.size)) {
|
||||
@ -113,7 +127,8 @@ static uint16_t nvme_map_prp(QEMUSGList *qsg, QEMUIOVector *iov, uint64_t prp1,
|
||||
}
|
||||
len -= trans_len;
|
||||
if (len) {
|
||||
if (!prp2) {
|
||||
if (unlikely(!prp2)) {
|
||||
trace_nvme_err_invalid_prp2_missing();
|
||||
goto unmap;
|
||||
}
|
||||
if (len > n->page_size) {
|
||||
@ -128,7 +143,8 @@ static uint16_t nvme_map_prp(QEMUSGList *qsg, QEMUIOVector *iov, uint64_t prp1,
|
||||
uint64_t prp_ent = le64_to_cpu(prp_list[i]);
|
||||
|
||||
if (i == n->max_prp_ents - 1 && len > n->page_size) {
|
||||
if (!prp_ent || prp_ent & (n->page_size - 1)) {
|
||||
if (unlikely(!prp_ent || prp_ent & (n->page_size - 1))) {
|
||||
trace_nvme_err_invalid_prplist_ent(prp_ent);
|
||||
goto unmap;
|
||||
}
|
||||
|
||||
@ -140,7 +156,8 @@ static uint16_t nvme_map_prp(QEMUSGList *qsg, QEMUIOVector *iov, uint64_t prp1,
|
||||
prp_ent = le64_to_cpu(prp_list[i]);
|
||||
}
|
||||
|
||||
if (!prp_ent || prp_ent & (n->page_size - 1)) {
|
||||
if (unlikely(!prp_ent || prp_ent & (n->page_size - 1))) {
|
||||
trace_nvme_err_invalid_prplist_ent(prp_ent);
|
||||
goto unmap;
|
||||
}
|
||||
|
||||
@ -154,7 +171,8 @@ static uint16_t nvme_map_prp(QEMUSGList *qsg, QEMUIOVector *iov, uint64_t prp1,
|
||||
i++;
|
||||
}
|
||||
} else {
|
||||
if (prp2 & (n->page_size - 1)) {
|
||||
if (unlikely(prp2 & (n->page_size - 1))) {
|
||||
trace_nvme_err_invalid_prp2_align(prp2);
|
||||
goto unmap;
|
||||
}
|
||||
if (qsg->nsg) {
|
||||
@ -178,16 +196,20 @@ static uint16_t nvme_dma_read_prp(NvmeCtrl *n, uint8_t *ptr, uint32_t len,
|
||||
QEMUIOVector iov;
|
||||
uint16_t status = NVME_SUCCESS;
|
||||
|
||||
trace_nvme_dma_read(prp1, prp2);
|
||||
|
||||
if (nvme_map_prp(&qsg, &iov, prp1, prp2, len, n)) {
|
||||
return NVME_INVALID_FIELD | NVME_DNR;
|
||||
}
|
||||
if (qsg.nsg > 0) {
|
||||
if (dma_buf_read(ptr, len, &qsg)) {
|
||||
if (unlikely(dma_buf_read(ptr, len, &qsg))) {
|
||||
trace_nvme_err_invalid_dma();
|
||||
status = NVME_INVALID_FIELD | NVME_DNR;
|
||||
}
|
||||
qemu_sglist_destroy(&qsg);
|
||||
} else {
|
||||
if (qemu_iovec_to_buf(&iov, 0, ptr, len) != len) {
|
||||
if (unlikely(qemu_iovec_to_buf(&iov, 0, ptr, len) != len)) {
|
||||
trace_nvme_err_invalid_dma();
|
||||
status = NVME_INVALID_FIELD | NVME_DNR;
|
||||
}
|
||||
qemu_iovec_destroy(&iov);
|
||||
@ -273,7 +295,8 @@ static uint16_t nvme_write_zeros(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
|
||||
uint64_t aio_slba = slba << (data_shift - BDRV_SECTOR_BITS);
|
||||
uint32_t aio_nlb = nlb << (data_shift - BDRV_SECTOR_BITS);
|
||||
|
||||
if (slba + nlb > ns->id_ns.nsze) {
|
||||
if (unlikely(slba + nlb > ns->id_ns.nsze)) {
|
||||
trace_nvme_err_invalid_lba_range(slba, nlb, ns->id_ns.nsze);
|
||||
return NVME_LBA_RANGE | NVME_DNR;
|
||||
}
|
||||
|
||||
@ -301,8 +324,11 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
|
||||
int is_write = rw->opcode == NVME_CMD_WRITE ? 1 : 0;
|
||||
enum BlockAcctType acct = is_write ? BLOCK_ACCT_WRITE : BLOCK_ACCT_READ;
|
||||
|
||||
if ((slba + nlb) > ns->id_ns.nsze) {
|
||||
trace_nvme_rw(is_write ? "write" : "read", nlb, data_size, slba);
|
||||
|
||||
if (unlikely((slba + nlb) > ns->id_ns.nsze)) {
|
||||
block_acct_invalid(blk_get_stats(n->conf.blk), acct);
|
||||
trace_nvme_err_invalid_lba_range(slba, nlb, ns->id_ns.nsze);
|
||||
return NVME_LBA_RANGE | NVME_DNR;
|
||||
}
|
||||
|
||||
@ -336,7 +362,8 @@ static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
|
||||
NvmeNamespace *ns;
|
||||
uint32_t nsid = le32_to_cpu(cmd->nsid);
|
||||
|
||||
if (nsid == 0 || nsid > n->num_namespaces) {
|
||||
if (unlikely(nsid == 0 || nsid > n->num_namespaces)) {
|
||||
trace_nvme_err_invalid_ns(nsid, n->num_namespaces);
|
||||
return NVME_INVALID_NSID | NVME_DNR;
|
||||
}
|
||||
|
||||
@ -350,6 +377,7 @@ static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
|
||||
case NVME_CMD_READ:
|
||||
return nvme_rw(n, ns, cmd, req);
|
||||
default:
|
||||
trace_nvme_err_invalid_opc(cmd->opcode);
|
||||
return NVME_INVALID_OPCODE | NVME_DNR;
|
||||
}
|
||||
}
|
||||
@ -373,10 +401,13 @@ static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeCmd *cmd)
|
||||
NvmeCQueue *cq;
|
||||
uint16_t qid = le16_to_cpu(c->qid);
|
||||
|
||||
if (!qid || nvme_check_sqid(n, qid)) {
|
||||
if (unlikely(!qid || nvme_check_sqid(n, qid))) {
|
||||
trace_nvme_err_invalid_del_sq(qid);
|
||||
return NVME_INVALID_QID | NVME_DNR;
|
||||
}
|
||||
|
||||
trace_nvme_del_sq(qid);
|
||||
|
||||
sq = n->sq[qid];
|
||||
while (!QTAILQ_EMPTY(&sq->out_req_list)) {
|
||||
req = QTAILQ_FIRST(&sq->out_req_list);
|
||||
@ -439,19 +470,26 @@ static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeCmd *cmd)
|
||||
uint16_t qflags = le16_to_cpu(c->sq_flags);
|
||||
uint64_t prp1 = le64_to_cpu(c->prp1);
|
||||
|
||||
if (!cqid || nvme_check_cqid(n, cqid)) {
|
||||
trace_nvme_create_sq(prp1, sqid, cqid, qsize, qflags);
|
||||
|
||||
if (unlikely(!cqid || nvme_check_cqid(n, cqid))) {
|
||||
trace_nvme_err_invalid_create_sq_cqid(cqid);
|
||||
return NVME_INVALID_CQID | NVME_DNR;
|
||||
}
|
||||
if (!sqid || !nvme_check_sqid(n, sqid)) {
|
||||
if (unlikely(!sqid || !nvme_check_sqid(n, sqid))) {
|
||||
trace_nvme_err_invalid_create_sq_sqid(sqid);
|
||||
return NVME_INVALID_QID | NVME_DNR;
|
||||
}
|
||||
if (!qsize || qsize > NVME_CAP_MQES(n->bar.cap)) {
|
||||
if (unlikely(!qsize || qsize > NVME_CAP_MQES(n->bar.cap))) {
|
||||
trace_nvme_err_invalid_create_sq_size(qsize);
|
||||
return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR;
|
||||
}
|
||||
if (!prp1 || prp1 & (n->page_size - 1)) {
|
||||
if (unlikely(!prp1 || prp1 & (n->page_size - 1))) {
|
||||
trace_nvme_err_invalid_create_sq_addr(prp1);
|
||||
return NVME_INVALID_FIELD | NVME_DNR;
|
||||
}
|
||||
if (!(NVME_SQ_FLAGS_PC(qflags))) {
|
||||
if (unlikely(!(NVME_SQ_FLAGS_PC(qflags)))) {
|
||||
trace_nvme_err_invalid_create_sq_qflags(NVME_SQ_FLAGS_PC(qflags));
|
||||
return NVME_INVALID_FIELD | NVME_DNR;
|
||||
}
|
||||
sq = g_malloc0(sizeof(*sq));
|
||||
@ -476,14 +514,17 @@ static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeCmd *cmd)
|
||||
NvmeCQueue *cq;
|
||||
uint16_t qid = le16_to_cpu(c->qid);
|
||||
|
||||
if (!qid || nvme_check_cqid(n, qid)) {
|
||||
if (unlikely(!qid || nvme_check_cqid(n, qid))) {
|
||||
trace_nvme_err_invalid_del_cq_cqid(qid);
|
||||
return NVME_INVALID_CQID | NVME_DNR;
|
||||
}
|
||||
|
||||
cq = n->cq[qid];
|
||||
if (!QTAILQ_EMPTY(&cq->sq_list)) {
|
||||
if (unlikely(!QTAILQ_EMPTY(&cq->sq_list))) {
|
||||
trace_nvme_err_invalid_del_cq_notempty(qid);
|
||||
return NVME_INVALID_QUEUE_DEL;
|
||||
}
|
||||
trace_nvme_del_cq(qid);
|
||||
nvme_free_cq(cq, n);
|
||||
return NVME_SUCCESS;
|
||||
}
|
||||
@ -516,19 +557,27 @@ static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeCmd *cmd)
|
||||
uint16_t qflags = le16_to_cpu(c->cq_flags);
|
||||
uint64_t prp1 = le64_to_cpu(c->prp1);
|
||||
|
||||
if (!cqid || !nvme_check_cqid(n, cqid)) {
|
||||
trace_nvme_create_cq(prp1, cqid, vector, qsize, qflags,
|
||||
NVME_CQ_FLAGS_IEN(qflags) != 0);
|
||||
|
||||
if (unlikely(!cqid || !nvme_check_cqid(n, cqid))) {
|
||||
trace_nvme_err_invalid_create_cq_cqid(cqid);
|
||||
return NVME_INVALID_CQID | NVME_DNR;
|
||||
}
|
||||
if (!qsize || qsize > NVME_CAP_MQES(n->bar.cap)) {
|
||||
if (unlikely(!qsize || qsize > NVME_CAP_MQES(n->bar.cap))) {
|
||||
trace_nvme_err_invalid_create_cq_size(qsize);
|
||||
return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR;
|
||||
}
|
||||
if (!prp1) {
|
||||
if (unlikely(!prp1)) {
|
||||
trace_nvme_err_invalid_create_cq_addr(prp1);
|
||||
return NVME_INVALID_FIELD | NVME_DNR;
|
||||
}
|
||||
if (vector > n->num_queues) {
|
||||
if (unlikely(vector > n->num_queues)) {
|
||||
trace_nvme_err_invalid_create_cq_vector(vector);
|
||||
return NVME_INVALID_IRQ_VECTOR | NVME_DNR;
|
||||
}
|
||||
if (!(NVME_CQ_FLAGS_PC(qflags))) {
|
||||
if (unlikely(!(NVME_CQ_FLAGS_PC(qflags)))) {
|
||||
trace_nvme_err_invalid_create_cq_qflags(NVME_CQ_FLAGS_PC(qflags));
|
||||
return NVME_INVALID_FIELD | NVME_DNR;
|
||||
}
|
||||
|
||||
@ -543,6 +592,8 @@ static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeIdentify *c)
|
||||
uint64_t prp1 = le64_to_cpu(c->prp1);
|
||||
uint64_t prp2 = le64_to_cpu(c->prp2);
|
||||
|
||||
trace_nvme_identify_ctrl();
|
||||
|
||||
return nvme_dma_read_prp(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl),
|
||||
prp1, prp2);
|
||||
}
|
||||
@ -554,11 +605,15 @@ static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeIdentify *c)
|
||||
uint64_t prp1 = le64_to_cpu(c->prp1);
|
||||
uint64_t prp2 = le64_to_cpu(c->prp2);
|
||||
|
||||
if (nsid == 0 || nsid > n->num_namespaces) {
|
||||
trace_nvme_identify_ns(nsid);
|
||||
|
||||
if (unlikely(nsid == 0 || nsid > n->num_namespaces)) {
|
||||
trace_nvme_err_invalid_ns(nsid, n->num_namespaces);
|
||||
return NVME_INVALID_NSID | NVME_DNR;
|
||||
}
|
||||
|
||||
ns = &n->namespaces[nsid - 1];
|
||||
|
||||
return nvme_dma_read_prp(n, (uint8_t *)&ns->id_ns, sizeof(ns->id_ns),
|
||||
prp1, prp2);
|
||||
}
|
||||
@ -573,6 +628,8 @@ static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeIdentify *c)
|
||||
uint16_t ret;
|
||||
int i, j = 0;
|
||||
|
||||
trace_nvme_identify_nslist(min_nsid);
|
||||
|
||||
list = g_malloc0(data_len);
|
||||
for (i = 0; i < n->num_namespaces; i++) {
|
||||
if (i < min_nsid) {
|
||||
@ -601,6 +658,7 @@ static uint16_t nvme_identify(NvmeCtrl *n, NvmeCmd *cmd)
|
||||
case 0x02:
|
||||
return nvme_identify_nslist(n, c);
|
||||
default:
|
||||
trace_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns));
|
||||
return NVME_INVALID_FIELD | NVME_DNR;
|
||||
}
|
||||
}
|
||||
@ -613,11 +671,14 @@ static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
|
||||
switch (dw10) {
|
||||
case NVME_VOLATILE_WRITE_CACHE:
|
||||
result = blk_enable_write_cache(n->conf.blk);
|
||||
trace_nvme_getfeat_vwcache(result ? "enabled" : "disabled");
|
||||
break;
|
||||
case NVME_NUMBER_OF_QUEUES:
|
||||
result = cpu_to_le32((n->num_queues - 2) | ((n->num_queues - 2) << 16));
|
||||
trace_nvme_getfeat_numq(result);
|
||||
break;
|
||||
default:
|
||||
trace_nvme_err_invalid_getfeat(dw10);
|
||||
return NVME_INVALID_FIELD | NVME_DNR;
|
||||
}
|
||||
|
||||
@ -635,10 +696,14 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
|
||||
blk_set_enable_write_cache(n->conf.blk, dw11 & 1);
|
||||
break;
|
||||
case NVME_NUMBER_OF_QUEUES:
|
||||
trace_nvme_setfeat_numq((dw11 & 0xFFFF) + 1,
|
||||
((dw11 >> 16) & 0xFFFF) + 1,
|
||||
n->num_queues - 1, n->num_queues - 1);
|
||||
req->cqe.result =
|
||||
cpu_to_le32((n->num_queues - 2) | ((n->num_queues - 2) << 16));
|
||||
break;
|
||||
default:
|
||||
trace_nvme_err_invalid_setfeat(dw10);
|
||||
return NVME_INVALID_FIELD | NVME_DNR;
|
||||
}
|
||||
return NVME_SUCCESS;
|
||||
@ -662,6 +727,7 @@ static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
|
||||
case NVME_ADM_CMD_GET_FEATURES:
|
||||
return nvme_get_feature(n, cmd, req);
|
||||
default:
|
||||
trace_nvme_err_invalid_admin_opc(cmd->opcode);
|
||||
return NVME_INVALID_OPCODE | NVME_DNR;
|
||||
}
|
||||
}
|
||||
@ -721,15 +787,78 @@ static int nvme_start_ctrl(NvmeCtrl *n)
|
||||
uint32_t page_bits = NVME_CC_MPS(n->bar.cc) + 12;
|
||||
uint32_t page_size = 1 << page_bits;
|
||||
|
||||
if (n->cq[0] || n->sq[0] || !n->bar.asq || !n->bar.acq ||
|
||||
n->bar.asq & (page_size - 1) || n->bar.acq & (page_size - 1) ||
|
||||
NVME_CC_MPS(n->bar.cc) < NVME_CAP_MPSMIN(n->bar.cap) ||
|
||||
NVME_CC_MPS(n->bar.cc) > NVME_CAP_MPSMAX(n->bar.cap) ||
|
||||
NVME_CC_IOCQES(n->bar.cc) < NVME_CTRL_CQES_MIN(n->id_ctrl.cqes) ||
|
||||
NVME_CC_IOCQES(n->bar.cc) > NVME_CTRL_CQES_MAX(n->id_ctrl.cqes) ||
|
||||
NVME_CC_IOSQES(n->bar.cc) < NVME_CTRL_SQES_MIN(n->id_ctrl.sqes) ||
|
||||
NVME_CC_IOSQES(n->bar.cc) > NVME_CTRL_SQES_MAX(n->id_ctrl.sqes) ||
|
||||
!NVME_AQA_ASQS(n->bar.aqa) || !NVME_AQA_ACQS(n->bar.aqa)) {
|
||||
if (unlikely(n->cq[0])) {
|
||||
trace_nvme_err_startfail_cq();
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(n->sq[0])) {
|
||||
trace_nvme_err_startfail_sq();
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(!n->bar.asq)) {
|
||||
trace_nvme_err_startfail_nbarasq();
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(!n->bar.acq)) {
|
||||
trace_nvme_err_startfail_nbaracq();
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(n->bar.asq & (page_size - 1))) {
|
||||
trace_nvme_err_startfail_asq_misaligned(n->bar.asq);
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(n->bar.acq & (page_size - 1))) {
|
||||
trace_nvme_err_startfail_acq_misaligned(n->bar.acq);
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(NVME_CC_MPS(n->bar.cc) <
|
||||
NVME_CAP_MPSMIN(n->bar.cap))) {
|
||||
trace_nvme_err_startfail_page_too_small(
|
||||
NVME_CC_MPS(n->bar.cc),
|
||||
NVME_CAP_MPSMIN(n->bar.cap));
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(NVME_CC_MPS(n->bar.cc) >
|
||||
NVME_CAP_MPSMAX(n->bar.cap))) {
|
||||
trace_nvme_err_startfail_page_too_large(
|
||||
NVME_CC_MPS(n->bar.cc),
|
||||
NVME_CAP_MPSMAX(n->bar.cap));
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(NVME_CC_IOCQES(n->bar.cc) <
|
||||
NVME_CTRL_CQES_MIN(n->id_ctrl.cqes))) {
|
||||
trace_nvme_err_startfail_cqent_too_small(
|
||||
NVME_CC_IOCQES(n->bar.cc),
|
||||
NVME_CTRL_CQES_MIN(n->bar.cap));
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(NVME_CC_IOCQES(n->bar.cc) >
|
||||
NVME_CTRL_CQES_MAX(n->id_ctrl.cqes))) {
|
||||
trace_nvme_err_startfail_cqent_too_large(
|
||||
NVME_CC_IOCQES(n->bar.cc),
|
||||
NVME_CTRL_CQES_MAX(n->bar.cap));
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(NVME_CC_IOSQES(n->bar.cc) <
|
||||
NVME_CTRL_SQES_MIN(n->id_ctrl.sqes))) {
|
||||
trace_nvme_err_startfail_sqent_too_small(
|
||||
NVME_CC_IOSQES(n->bar.cc),
|
||||
NVME_CTRL_SQES_MIN(n->bar.cap));
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(NVME_CC_IOSQES(n->bar.cc) >
|
||||
NVME_CTRL_SQES_MAX(n->id_ctrl.sqes))) {
|
||||
trace_nvme_err_startfail_sqent_too_large(
|
||||
NVME_CC_IOSQES(n->bar.cc),
|
||||
NVME_CTRL_SQES_MAX(n->bar.cap));
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(!NVME_AQA_ASQS(n->bar.aqa))) {
|
||||
trace_nvme_err_startfail_asqent_sz_zero();
|
||||
return -1;
|
||||
}
|
||||
if (unlikely(!NVME_AQA_ACQS(n->bar.aqa))) {
|
||||
trace_nvme_err_startfail_acqent_sz_zero();
|
||||
return -1;
|
||||
}
|
||||
|
||||
@ -749,16 +878,48 @@ static int nvme_start_ctrl(NvmeCtrl *n)
|
||||
static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data,
|
||||
unsigned size)
|
||||
{
|
||||
if (unlikely(offset & (sizeof(uint32_t) - 1))) {
|
||||
NVME_GUEST_ERR(nvme_ub_mmiowr_misaligned32,
|
||||
"MMIO write not 32-bit aligned,"
|
||||
" offset=0x%"PRIx64"", offset);
|
||||
/* should be ignored, fall through for now */
|
||||
}
|
||||
|
||||
if (unlikely(size < sizeof(uint32_t))) {
|
||||
NVME_GUEST_ERR(nvme_ub_mmiowr_toosmall,
|
||||
"MMIO write smaller than 32-bits,"
|
||||
" offset=0x%"PRIx64", size=%u",
|
||||
offset, size);
|
||||
/* should be ignored, fall through for now */
|
||||
}
|
||||
|
||||
switch (offset) {
|
||||
case 0xc:
|
||||
case 0xc: /* INTMS */
|
||||
if (unlikely(msix_enabled(&(n->parent_obj)))) {
|
||||
NVME_GUEST_ERR(nvme_ub_mmiowr_intmask_with_msix,
|
||||
"undefined access to interrupt mask set"
|
||||
" when MSI-X is enabled");
|
||||
/* should be ignored, fall through for now */
|
||||
}
|
||||
n->bar.intms |= data & 0xffffffff;
|
||||
n->bar.intmc = n->bar.intms;
|
||||
trace_nvme_mmio_intm_set(data & 0xffffffff,
|
||||
n->bar.intmc);
|
||||
break;
|
||||
case 0x10:
|
||||
case 0x10: /* INTMC */
|
||||
if (unlikely(msix_enabled(&(n->parent_obj)))) {
|
||||
NVME_GUEST_ERR(nvme_ub_mmiowr_intmask_with_msix,
|
||||
"undefined access to interrupt mask clr"
|
||||
" when MSI-X is enabled");
|
||||
/* should be ignored, fall through for now */
|
||||
}
|
||||
n->bar.intms &= ~(data & 0xffffffff);
|
||||
n->bar.intmc = n->bar.intms;
|
||||
trace_nvme_mmio_intm_clr(data & 0xffffffff,
|
||||
n->bar.intmc);
|
||||
break;
|
||||
case 0x14:
|
||||
case 0x14: /* CC */
|
||||
trace_nvme_mmio_cfg(data & 0xffffffff);
|
||||
/* Windows first sends data, then sends enable bit */
|
||||
if (!NVME_CC_EN(data) && !NVME_CC_EN(n->bar.cc) &&
|
||||
!NVME_CC_SHN(data) && !NVME_CC_SHN(n->bar.cc))
|
||||
@ -768,40 +929,82 @@ static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data,
|
||||
|
||||
if (NVME_CC_EN(data) && !NVME_CC_EN(n->bar.cc)) {
|
||||
n->bar.cc = data;
|
||||
if (nvme_start_ctrl(n)) {
|
||||
if (unlikely(nvme_start_ctrl(n))) {
|
||||
trace_nvme_err_startfail();
|
||||
n->bar.csts = NVME_CSTS_FAILED;
|
||||
} else {
|
||||
trace_nvme_mmio_start_success();
|
||||
n->bar.csts = NVME_CSTS_READY;
|
||||
}
|
||||
} else if (!NVME_CC_EN(data) && NVME_CC_EN(n->bar.cc)) {
|
||||
trace_nvme_mmio_stopped();
|
||||
nvme_clear_ctrl(n);
|
||||
n->bar.csts &= ~NVME_CSTS_READY;
|
||||
}
|
||||
if (NVME_CC_SHN(data) && !(NVME_CC_SHN(n->bar.cc))) {
|
||||
nvme_clear_ctrl(n);
|
||||
n->bar.cc = data;
|
||||
n->bar.csts |= NVME_CSTS_SHST_COMPLETE;
|
||||
trace_nvme_mmio_shutdown_set();
|
||||
nvme_clear_ctrl(n);
|
||||
n->bar.cc = data;
|
||||
n->bar.csts |= NVME_CSTS_SHST_COMPLETE;
|
||||
} else if (!NVME_CC_SHN(data) && NVME_CC_SHN(n->bar.cc)) {
|
||||
n->bar.csts &= ~NVME_CSTS_SHST_COMPLETE;
|
||||
n->bar.cc = data;
|
||||
trace_nvme_mmio_shutdown_cleared();
|
||||
n->bar.csts &= ~NVME_CSTS_SHST_COMPLETE;
|
||||
n->bar.cc = data;
|
||||
}
|
||||
break;
|
||||
case 0x24:
|
||||
case 0x1C: /* CSTS */
|
||||
if (data & (1 << 4)) {
|
||||
NVME_GUEST_ERR(nvme_ub_mmiowr_ssreset_w1c_unsupported,
|
||||
"attempted to W1C CSTS.NSSRO"
|
||||
" but CAP.NSSRS is zero (not supported)");
|
||||
} else if (data != 0) {
|
||||
NVME_GUEST_ERR(nvme_ub_mmiowr_ro_csts,
|
||||
"attempted to set a read only bit"
|
||||
" of controller status");
|
||||
}
|
||||
break;
|
||||
case 0x20: /* NSSR */
|
||||
if (data == 0x4E564D65) {
|
||||
trace_nvme_ub_mmiowr_ssreset_unsupported();
|
||||
} else {
|
||||
/* The spec says that writes of other values have no effect */
|
||||
return;
|
||||
}
|
||||
break;
|
||||
case 0x24: /* AQA */
|
||||
n->bar.aqa = data & 0xffffffff;
|
||||
trace_nvme_mmio_aqattr(data & 0xffffffff);
|
||||
break;
|
||||
case 0x28:
|
||||
case 0x28: /* ASQ */
|
||||
n->bar.asq = data;
|
||||
trace_nvme_mmio_asqaddr(data);
|
||||
break;
|
||||
case 0x2c:
|
||||
case 0x2c: /* ASQ hi */
|
||||
n->bar.asq |= data << 32;
|
||||
trace_nvme_mmio_asqaddr_hi(data, n->bar.asq);
|
||||
break;
|
||||
case 0x30:
|
||||
case 0x30: /* ACQ */
|
||||
trace_nvme_mmio_acqaddr(data);
|
||||
n->bar.acq = data;
|
||||
break;
|
||||
case 0x34:
|
||||
case 0x34: /* ACQ hi */
|
||||
n->bar.acq |= data << 32;
|
||||
trace_nvme_mmio_acqaddr_hi(data, n->bar.acq);
|
||||
break;
|
||||
case 0x38: /* CMBLOC */
|
||||
NVME_GUEST_ERR(nvme_ub_mmiowr_cmbloc_reserved,
|
||||
"invalid write to reserved CMBLOC"
|
||||
" when CMBSZ is zero, ignored");
|
||||
return;
|
||||
case 0x3C: /* CMBSZ */
|
||||
NVME_GUEST_ERR(nvme_ub_mmiowr_cmbsz_readonly,
|
||||
"invalid write to read only CMBSZ, ignored");
|
||||
return;
|
||||
default:
|
||||
NVME_GUEST_ERR(nvme_ub_mmiowr_invalid,
|
||||
"invalid MMIO write,"
|
||||
" offset=0x%"PRIx64", data=%"PRIx64"",
|
||||
offset, data);
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -812,9 +1015,26 @@ static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size)
|
||||
uint8_t *ptr = (uint8_t *)&n->bar;
|
||||
uint64_t val = 0;
|
||||
|
||||
if (unlikely(addr & (sizeof(uint32_t) - 1))) {
|
||||
NVME_GUEST_ERR(nvme_ub_mmiord_misaligned32,
|
||||
"MMIO read not 32-bit aligned,"
|
||||
" offset=0x%"PRIx64"", addr);
|
||||
/* should RAZ, fall through for now */
|
||||
} else if (unlikely(size < sizeof(uint32_t))) {
|
||||
NVME_GUEST_ERR(nvme_ub_mmiord_toosmall,
|
||||
"MMIO read smaller than 32-bits,"
|
||||
" offset=0x%"PRIx64"", addr);
|
||||
/* should RAZ, fall through for now */
|
||||
}
|
||||
|
||||
if (addr < sizeof(n->bar)) {
|
||||
memcpy(&val, ptr + addr, size);
|
||||
} else {
|
||||
NVME_GUEST_ERR(nvme_ub_mmiord_invalid_ofs,
|
||||
"MMIO read beyond last register,"
|
||||
" offset=0x%"PRIx64", returning 0", addr);
|
||||
}
|
||||
|
||||
return val;
|
||||
}
|
||||
|
||||
@ -822,22 +1042,36 @@ static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val)
|
||||
{
|
||||
uint32_t qid;
|
||||
|
||||
if (addr & ((1 << 2) - 1)) {
|
||||
if (unlikely(addr & ((1 << 2) - 1))) {
|
||||
NVME_GUEST_ERR(nvme_ub_db_wr_misaligned,
|
||||
"doorbell write not 32-bit aligned,"
|
||||
" offset=0x%"PRIx64", ignoring", addr);
|
||||
return;
|
||||
}
|
||||
|
||||
if (((addr - 0x1000) >> 2) & 1) {
|
||||
/* Completion queue doorbell write */
|
||||
|
||||
uint16_t new_head = val & 0xffff;
|
||||
int start_sqs;
|
||||
NvmeCQueue *cq;
|
||||
|
||||
qid = (addr - (0x1000 + (1 << 2))) >> 3;
|
||||
if (nvme_check_cqid(n, qid)) {
|
||||
if (unlikely(nvme_check_cqid(n, qid))) {
|
||||
NVME_GUEST_ERR(nvme_ub_db_wr_invalid_cq,
|
||||
"completion queue doorbell write"
|
||||
" for nonexistent queue,"
|
||||
" sqid=%"PRIu32", ignoring", qid);
|
||||
return;
|
||||
}
|
||||
|
||||
cq = n->cq[qid];
|
||||
if (new_head >= cq->size) {
|
||||
if (unlikely(new_head >= cq->size)) {
|
||||
NVME_GUEST_ERR(nvme_ub_db_wr_invalid_cqhead,
|
||||
"completion queue doorbell write value"
|
||||
" beyond queue size, sqid=%"PRIu32","
|
||||
" new_head=%"PRIu16", ignoring",
|
||||
qid, new_head);
|
||||
return;
|
||||
}
|
||||
|
||||
@ -855,16 +1089,27 @@ static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val)
|
||||
nvme_isr_notify(n, cq);
|
||||
}
|
||||
} else {
|
||||
/* Submission queue doorbell write */
|
||||
|
||||
uint16_t new_tail = val & 0xffff;
|
||||
NvmeSQueue *sq;
|
||||
|
||||
qid = (addr - 0x1000) >> 3;
|
||||
if (nvme_check_sqid(n, qid)) {
|
||||
if (unlikely(nvme_check_sqid(n, qid))) {
|
||||
NVME_GUEST_ERR(nvme_ub_db_wr_invalid_sq,
|
||||
"submission queue doorbell write"
|
||||
" for nonexistent queue,"
|
||||
" sqid=%"PRIu32", ignoring", qid);
|
||||
return;
|
||||
}
|
||||
|
||||
sq = n->sq[qid];
|
||||
if (new_tail >= sq->size) {
|
||||
if (unlikely(new_tail >= sq->size)) {
|
||||
NVME_GUEST_ERR(nvme_ub_db_wr_invalid_sqtail,
|
||||
"submission queue doorbell write value"
|
||||
" beyond queue size, sqid=%"PRIu32","
|
||||
" new_tail=%"PRIu16", ignoring",
|
||||
qid, new_tail);
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
@ -11,6 +11,99 @@ virtio_blk_submit_multireq(void *vdev, void *mrb, int start, int num_reqs, uint6
|
||||
hd_geometry_lchs_guess(void *blk, int cyls, int heads, int secs) "blk %p LCHS %d %d %d"
|
||||
hd_geometry_guess(void *blk, uint32_t cyls, uint32_t heads, uint32_t secs, int trans) "blk %p CHS %u %u %u trans %d"
|
||||
|
||||
# hw/block/nvme.c
|
||||
# nvme traces for successful events
|
||||
nvme_irq_msix(uint32_t vector) "raising MSI-X IRQ vector %u"
|
||||
nvme_irq_pin(void) "pulsing IRQ pin"
|
||||
nvme_irq_masked(void) "IRQ is masked"
|
||||
nvme_dma_read(uint64_t prp1, uint64_t prp2) "DMA read, prp1=0x%"PRIx64" prp2=0x%"PRIx64""
|
||||
nvme_rw(char const *verb, uint32_t blk_count, uint64_t byte_count, uint64_t lba) "%s %"PRIu32" blocks (%"PRIu64" bytes) from LBA %"PRIu64""
|
||||
nvme_create_sq(uint64_t addr, uint16_t sqid, uint16_t cqid, uint16_t qsize, uint16_t qflags) "create submission queue, addr=0x%"PRIx64", sqid=%"PRIu16", cqid=%"PRIu16", qsize=%"PRIu16", qflags=%"PRIu16""
|
||||
nvme_create_cq(uint64_t addr, uint16_t cqid, uint16_t vector, uint16_t size, uint16_t qflags, int ien) "create completion queue, addr=0x%"PRIx64", cqid=%"PRIu16", vector=%"PRIu16", qsize=%"PRIu16", qflags=%"PRIu16", ien=%d"
|
||||
nvme_del_sq(uint16_t qid) "deleting submission queue sqid=%"PRIu16""
|
||||
nvme_del_cq(uint16_t cqid) "deleted completion queue, sqid=%"PRIu16""
|
||||
nvme_identify_ctrl(void) "identify controller"
|
||||
nvme_identify_ns(uint16_t ns) "identify namespace, nsid=%"PRIu16""
|
||||
nvme_identify_nslist(uint16_t ns) "identify namespace list, nsid=%"PRIu16""
|
||||
nvme_getfeat_vwcache(char const* result) "get feature volatile write cache, result=%s"
|
||||
nvme_getfeat_numq(int result) "get feature number of queues, result=%d"
|
||||
nvme_setfeat_numq(int reqcq, int reqsq, int gotcq, int gotsq) "requested cq_count=%d sq_count=%d, responding with cq_count=%d sq_count=%d"
|
||||
nvme_mmio_intm_set(uint64_t data, uint64_t new_mask) "wrote MMIO, interrupt mask set, data=0x%"PRIx64", new_mask=0x%"PRIx64""
|
||||
nvme_mmio_intm_clr(uint64_t data, uint64_t new_mask) "wrote MMIO, interrupt mask clr, data=0x%"PRIx64", new_mask=0x%"PRIx64""
|
||||
nvme_mmio_cfg(uint64_t data) "wrote MMIO, config controller config=0x%"PRIx64""
|
||||
nvme_mmio_aqattr(uint64_t data) "wrote MMIO, admin queue attributes=0x%"PRIx64""
|
||||
nvme_mmio_asqaddr(uint64_t data) "wrote MMIO, admin submission queue address=0x%"PRIx64""
|
||||
nvme_mmio_acqaddr(uint64_t data) "wrote MMIO, admin completion queue address=0x%"PRIx64""
|
||||
nvme_mmio_asqaddr_hi(uint64_t data, uint64_t new_addr) "wrote MMIO, admin submission queue high half=0x%"PRIx64", new_address=0x%"PRIx64""
|
||||
nvme_mmio_acqaddr_hi(uint64_t data, uint64_t new_addr) "wrote MMIO, admin completion queue high half=0x%"PRIx64", new_address=0x%"PRIx64""
|
||||
nvme_mmio_start_success(void) "setting controller enable bit succeeded"
|
||||
nvme_mmio_stopped(void) "cleared controller enable bit"
|
||||
nvme_mmio_shutdown_set(void) "shutdown bit set"
|
||||
nvme_mmio_shutdown_cleared(void) "shutdown bit cleared"
|
||||
|
||||
# nvme traces for error conditions
|
||||
nvme_err_invalid_dma(void) "PRP/SGL is too small for transfer size"
|
||||
nvme_err_invalid_prplist_ent(uint64_t prplist) "PRP list entry is null or not page aligned: 0x%"PRIx64""
|
||||
nvme_err_invalid_prp2_align(uint64_t prp2) "PRP2 is not page aligned: 0x%"PRIx64""
|
||||
nvme_err_invalid_prp2_missing(void) "PRP2 is null and more data to be transferred"
|
||||
nvme_err_invalid_field(void) "invalid field"
|
||||
nvme_err_invalid_prp(void) "invalid PRP"
|
||||
nvme_err_invalid_sgl(void) "invalid SGL"
|
||||
nvme_err_invalid_ns(uint32_t ns, uint32_t limit) "invalid namespace %u not within 1-%u"
|
||||
nvme_err_invalid_opc(uint8_t opc) "invalid opcode 0x%"PRIx8""
|
||||
nvme_err_invalid_admin_opc(uint8_t opc) "invalid admin opcode 0x%"PRIx8""
|
||||
nvme_err_invalid_lba_range(uint64_t start, uint64_t len, uint64_t limit) "Invalid LBA start=%"PRIu64" len=%"PRIu64" limit=%"PRIu64""
|
||||
nvme_err_invalid_del_sq(uint16_t qid) "invalid submission queue deletion, sid=%"PRIu16""
|
||||
nvme_err_invalid_create_sq_cqid(uint16_t cqid) "failed creating submission queue, invalid cqid=%"PRIu16""
|
||||
nvme_err_invalid_create_sq_sqid(uint16_t sqid) "failed creating submission queue, invalid sqid=%"PRIu16""
|
||||
nvme_err_invalid_create_sq_size(uint16_t qsize) "failed creating submission queue, invalid qsize=%"PRIu16""
|
||||
nvme_err_invalid_create_sq_addr(uint64_t addr) "failed creating submission queue, addr=0x%"PRIx64""
|
||||
nvme_err_invalid_create_sq_qflags(uint16_t qflags) "failed creating submission queue, qflags=%"PRIu16""
|
||||
nvme_err_invalid_del_cq_cqid(uint16_t cqid) "failed deleting completion queue, cqid=%"PRIu16""
|
||||
nvme_err_invalid_del_cq_notempty(uint16_t cqid) "failed deleting completion queue, it is not empty, cqid=%"PRIu16""
|
||||
nvme_err_invalid_create_cq_cqid(uint16_t cqid) "failed creating completion queue, cqid=%"PRIu16""
|
||||
nvme_err_invalid_create_cq_size(uint16_t size) "failed creating completion queue, size=%"PRIu16""
|
||||
nvme_err_invalid_create_cq_addr(uint64_t addr) "failed creating completion queue, addr=0x%"PRIx64""
|
||||
nvme_err_invalid_create_cq_vector(uint16_t vector) "failed creating completion queue, vector=%"PRIu16""
|
||||
nvme_err_invalid_create_cq_qflags(uint16_t qflags) "failed creating completion queue, qflags=%"PRIu16""
|
||||
nvme_err_invalid_identify_cns(uint16_t cns) "identify, invalid cns=0x%"PRIx16""
|
||||
nvme_err_invalid_getfeat(int dw10) "invalid get features, dw10=0x%"PRIx32""
|
||||
nvme_err_invalid_setfeat(uint32_t dw10) "invalid set features, dw10=0x%"PRIx32""
|
||||
nvme_err_startfail_cq(void) "nvme_start_ctrl failed because there are non-admin completion queues"
|
||||
nvme_err_startfail_sq(void) "nvme_start_ctrl failed because there are non-admin submission queues"
|
||||
nvme_err_startfail_nbarasq(void) "nvme_start_ctrl failed because the admin submission queue address is null"
|
||||
nvme_err_startfail_nbaracq(void) "nvme_start_ctrl failed because the admin completion queue address is null"
|
||||
nvme_err_startfail_asq_misaligned(uint64_t addr) "nvme_start_ctrl failed because the admin submission queue address is misaligned: 0x%"PRIx64""
|
||||
nvme_err_startfail_acq_misaligned(uint64_t addr) "nvme_start_ctrl failed because the admin completion queue address is misaligned: 0x%"PRIx64""
|
||||
nvme_err_startfail_page_too_small(uint8_t log2ps, uint8_t maxlog2ps) "nvme_start_ctrl failed because the page size is too small: log2size=%u, min=%u"
|
||||
nvme_err_startfail_page_too_large(uint8_t log2ps, uint8_t maxlog2ps) "nvme_start_ctrl failed because the page size is too large: log2size=%u, max=%u"
|
||||
nvme_err_startfail_cqent_too_small(uint8_t log2ps, uint8_t maxlog2ps) "nvme_start_ctrl failed because the completion queue entry size is too small: log2size=%u, min=%u"
|
||||
nvme_err_startfail_cqent_too_large(uint8_t log2ps, uint8_t maxlog2ps) "nvme_start_ctrl failed because the completion queue entry size is too large: log2size=%u, max=%u"
|
||||
nvme_err_startfail_sqent_too_small(uint8_t log2ps, uint8_t maxlog2ps) "nvme_start_ctrl failed because the submission queue entry size is too small: log2size=%u, min=%u"
|
||||
nvme_err_startfail_sqent_too_large(uint8_t log2ps, uint8_t maxlog2ps) "nvme_start_ctrl failed because the submission queue entry size is too large: log2size=%u, max=%u"
|
||||
nvme_err_startfail_asqent_sz_zero(void) "nvme_start_ctrl failed because the admin submission queue size is zero"
|
||||
nvme_err_startfail_acqent_sz_zero(void) "nvme_start_ctrl failed because the admin completion queue size is zero"
|
||||
nvme_err_startfail(void) "setting controller enable bit failed"
|
||||
|
||||
# Traces for undefined behavior
|
||||
nvme_ub_mmiowr_misaligned32(uint64_t offset) "MMIO write not 32-bit aligned, offset=0x%"PRIx64""
|
||||
nvme_ub_mmiowr_toosmall(uint64_t offset, unsigned size) "MMIO write smaller than 32 bits, offset=0x%"PRIx64", size=%u"
|
||||
nvme_ub_mmiowr_intmask_with_msix(void) "undefined access to interrupt mask set when MSI-X is enabled"
|
||||
nvme_ub_mmiowr_ro_csts(void) "attempted to set a read only bit of controller status"
|
||||
nvme_ub_mmiowr_ssreset_w1c_unsupported(void) "attempted to W1C CSTS.NSSRO but CAP.NSSRS is zero (not supported)"
|
||||
nvme_ub_mmiowr_ssreset_unsupported(void) "attempted NVM subsystem reset but CAP.NSSRS is zero (not supported)"
|
||||
nvme_ub_mmiowr_cmbloc_reserved(void) "invalid write to reserved CMBLOC when CMBSZ is zero, ignored"
|
||||
nvme_ub_mmiowr_cmbsz_readonly(void) "invalid write to read only CMBSZ, ignored"
|
||||
nvme_ub_mmiowr_invalid(uint64_t offset, uint64_t data) "invalid MMIO write, offset=0x%"PRIx64", data=0x%"PRIx64""
|
||||
nvme_ub_mmiord_misaligned32(uint64_t offset) "MMIO read not 32-bit aligned, offset=0x%"PRIx64""
|
||||
nvme_ub_mmiord_toosmall(uint64_t offset) "MMIO read smaller than 32-bits, offset=0x%"PRIx64""
|
||||
nvme_ub_mmiord_invalid_ofs(uint64_t offset) "MMIO read beyond last register, offset=0x%"PRIx64", returning 0"
|
||||
nvme_ub_db_wr_misaligned(uint64_t offset) "doorbell write not 32-bit aligned, offset=0x%"PRIx64", ignoring"
|
||||
nvme_ub_db_wr_invalid_cq(uint32_t qid) "completion queue doorbell write for nonexistent queue, cqid=%"PRIu32", ignoring"
|
||||
nvme_ub_db_wr_invalid_cqhead(uint32_t qid, uint16_t new_head) "completion queue doorbell write value beyond queue size, cqid=%"PRIu32", new_head=%"PRIu16", ignoring"
|
||||
nvme_ub_db_wr_invalid_sq(uint32_t qid) "submission queue doorbell write for nonexistent queue, sqid=%"PRIu32", ignoring"
|
||||
nvme_ub_db_wr_invalid_sqtail(uint32_t qid, uint16_t new_tail) "submission queue doorbell write value beyond queue size, sqid=%"PRIu32", new_head=%"PRIu16", ignoring"
|
||||
|
||||
# hw/block/xen_disk.c
|
||||
xen_disk_alloc(char *name) "%s"
|
||||
xen_disk_init(char *name) "%s"
|
||||
|
||||
@ -585,7 +585,7 @@ void bdrv_io_unplug(BlockDriverState *bs);
|
||||
* Begin a quiesced section of all users of @bs. This is part of
|
||||
* bdrv_drained_begin.
|
||||
*/
|
||||
void bdrv_parent_drained_begin(BlockDriverState *bs);
|
||||
void bdrv_parent_drained_begin(BlockDriverState *bs, BdrvChild *ignore);
|
||||
|
||||
/**
|
||||
* bdrv_parent_drained_end:
|
||||
@ -593,7 +593,7 @@ void bdrv_parent_drained_begin(BlockDriverState *bs);
|
||||
* End a quiesced section of all users of @bs. This is part of
|
||||
* bdrv_drained_end.
|
||||
*/
|
||||
void bdrv_parent_drained_end(BlockDriverState *bs);
|
||||
void bdrv_parent_drained_end(BlockDriverState *bs, BdrvChild *ignore);
|
||||
|
||||
/**
|
||||
* bdrv_drained_begin:
|
||||
@ -607,6 +607,12 @@ void bdrv_parent_drained_end(BlockDriverState *bs);
|
||||
*/
|
||||
void bdrv_drained_begin(BlockDriverState *bs);
|
||||
|
||||
/**
|
||||
* Like bdrv_drained_begin, but recursively begins a quiesced section for
|
||||
* exclusive access to all child nodes as well.
|
||||
*/
|
||||
void bdrv_subtree_drained_begin(BlockDriverState *bs);
|
||||
|
||||
/**
|
||||
* bdrv_drained_end:
|
||||
*
|
||||
@ -614,6 +620,11 @@ void bdrv_drained_begin(BlockDriverState *bs);
|
||||
*/
|
||||
void bdrv_drained_end(BlockDriverState *bs);
|
||||
|
||||
/**
|
||||
* End a quiescent section started by bdrv_subtree_drained_begin().
|
||||
*/
|
||||
void bdrv_subtree_drained_end(BlockDriverState *bs);
|
||||
|
||||
void bdrv_add_child(BlockDriverState *parent, BlockDriverState *child,
|
||||
Error **errp);
|
||||
void bdrv_del_child(BlockDriverState *parent, BdrvChild *child, Error **errp);
|
||||
|
||||
@ -717,6 +717,8 @@ struct BlockDriverState {
|
||||
|
||||
/* Accessed with atomic ops. */
|
||||
int quiesce_counter;
|
||||
int recursive_quiesce_counter;
|
||||
|
||||
unsigned int write_gen; /* Current data generation */
|
||||
|
||||
/* Protected by reqs_lock. */
|
||||
@ -768,6 +770,9 @@ int coroutine_fn bdrv_co_pwritev(BdrvChild *child,
|
||||
int64_t offset, unsigned int bytes, QEMUIOVector *qiov,
|
||||
BdrvRequestFlags flags);
|
||||
|
||||
void bdrv_apply_subtree_drain(BdrvChild *child, BlockDriverState *new_parent);
|
||||
void bdrv_unapply_subtree_drain(BdrvChild *child, BlockDriverState *old_parent);
|
||||
|
||||
int get_tmp_filename(char *filename, int size);
|
||||
BlockDriver *bdrv_probe_all(const uint8_t *buf, int buf_size,
|
||||
const char *filename);
|
||||
@ -1045,7 +1050,6 @@ bool blk_dev_is_tray_open(BlockBackend *blk);
|
||||
bool blk_dev_is_medium_locked(BlockBackend *blk);
|
||||
|
||||
void bdrv_set_dirty(BlockDriverState *bs, int64_t offset, int64_t bytes);
|
||||
bool bdrv_requests_pending(BlockDriverState *bs);
|
||||
|
||||
void bdrv_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap, HBitmap **out);
|
||||
void bdrv_undo_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap, HBitmap *in);
|
||||
|
||||
@ -3918,6 +3918,10 @@
|
||||
# does not support all kinds of operations, all kinds of children, nor
|
||||
# all block drivers.
|
||||
#
|
||||
# FIXME Removing children from a quorum node means introducing gaps in the
|
||||
# child indices. This cannot be represented in the 'children' list of
|
||||
# BlockdevOptionsQuorum, as returned by .bdrv_refresh_filename().
|
||||
#
|
||||
# Warning: The data in a new quorum child MUST be consistent with that of
|
||||
# the rest of the array.
|
||||
#
|
||||
|
||||
@ -2589,12 +2589,6 @@ deprecated.
|
||||
|
||||
@section System emulator command line arguments
|
||||
|
||||
@subsection -drive boot=on|off (since 1.3.0)
|
||||
|
||||
The ``boot=on|off'' option to the ``-drive'' argument is
|
||||
ignored. Applications should use the ``bootindex=N'' parameter
|
||||
to set an absolute ordering between devices instead.
|
||||
|
||||
@subsection -tdf (since 1.3.0)
|
||||
|
||||
The ``-tdf'' argument is ignored. The behaviour implemented
|
||||
@ -2690,20 +2684,27 @@ longer be directly supported in QEMU.
|
||||
The ``-drive if=scsi'' argument is replaced by the the
|
||||
``-device BUS-TYPE'' argument combined with ``-drive if=none''.
|
||||
|
||||
@subsection -drive cyls=...,heads=...,secs=...,trans=... (since 2.10.0)
|
||||
|
||||
The drive geometry arguments are replaced by the the geometry arguments
|
||||
that can be specified with the ``-device'' parameter.
|
||||
|
||||
@subsection -drive serial=... (since 2.10.0)
|
||||
|
||||
The drive serial argument is replaced by the the serial argument
|
||||
that can be specified with the ``-device'' parameter.
|
||||
|
||||
@subsection -drive addr=... (since 2.10.0)
|
||||
|
||||
The drive addr argument is replaced by the the addr argument
|
||||
that can be specified with the ``-device'' parameter.
|
||||
|
||||
@subsection -net dump (since 2.10.0)
|
||||
|
||||
The ``--net dump'' argument is now replaced with the
|
||||
``-object filter-dump'' argument which works in combination
|
||||
with the modern ``-netdev`` backends instead.
|
||||
|
||||
@subsection -hdachs (since 2.10.0)
|
||||
|
||||
The ``-hdachs'' argument is now a synonym for setting
|
||||
the ``cyls'', ``heads'', ``secs'', and ``trans'' properties
|
||||
on the ``ide-hd'' device using the ``-device'' argument.
|
||||
The new syntax allows different settings to be provided
|
||||
per disk.
|
||||
|
||||
@subsection -usbdevice (since 2.10.0)
|
||||
|
||||
The ``-usbdevice DEV'' argument is now a synonym for setting
|
||||
|
||||
@ -2013,8 +2013,11 @@ static int reopen_f(BlockBackend *blk, int argc, char **argv)
|
||||
opts = qopts ? qemu_opts_to_qdict(qopts, NULL) : NULL;
|
||||
qemu_opts_reset(&reopen_opts);
|
||||
|
||||
bdrv_subtree_drained_begin(bs);
|
||||
brq = bdrv_reopen_queue(NULL, bs, opts, flags);
|
||||
bdrv_reopen_multiple(bdrv_get_aio_context(bs), brq, &local_err);
|
||||
bdrv_subtree_drained_end(bs);
|
||||
|
||||
if (local_err) {
|
||||
error_report_err(local_err);
|
||||
} else {
|
||||
|
||||
@ -846,8 +846,8 @@ of available connectors of a given interface type.
|
||||
@item media=@var{media}
|
||||
This option defines the type of the media: disk or cdrom.
|
||||
@item cyls=@var{c},heads=@var{h},secs=@var{s}[,trans=@var{t}]
|
||||
These options have the same definition as they have in @option{-hdachs}.
|
||||
These parameters are deprecated, use the corresponding parameters
|
||||
Force disk physical geometry and the optional BIOS translation (trans=none or
|
||||
lba). These parameters are deprecated, use the corresponding parameters
|
||||
of @code{-device} instead.
|
||||
@item snapshot=@var{snapshot}
|
||||
@var{snapshot} is "on" or "off" and controls snapshot mode for the given drive
|
||||
@ -1027,21 +1027,6 @@ the raw disk image you use is not written back. You can however force
|
||||
the write back by pressing @key{C-a s} (@pxref{disk_images}).
|
||||
ETEXI
|
||||
|
||||
DEF("hdachs", HAS_ARG, QEMU_OPTION_hdachs, \
|
||||
"-hdachs c,h,s[,t]\n" \
|
||||
" force hard disk 0 physical geometry and the optional BIOS\n" \
|
||||
" translation (t=none or lba) (usually QEMU can guess them)\n",
|
||||
QEMU_ARCH_ALL)
|
||||
STEXI
|
||||
@item -hdachs @var{c},@var{h},@var{s},[,@var{t}]
|
||||
@findex -hdachs
|
||||
Force hard disk 0 physical geometry (1 <= @var{c} <= 16383, 1 <=
|
||||
@var{h} <= 16, 1 <= @var{s} <= 63) and optionally force the BIOS
|
||||
translation mode (@var{t}=none, lba or auto). Usually QEMU can guess
|
||||
all those parameters. This option is deprecated, please use
|
||||
@code{-device ide-hd,cyls=c,heads=h,secs=s,...} instead.
|
||||
ETEXI
|
||||
|
||||
DEF("fsdev", HAS_ARG, QEMU_OPTION_fsdev,
|
||||
"-fsdev fsdriver,id=id[,path=path,][security_model={mapped-xattr|mapped-file|passthrough|none}]\n"
|
||||
" [,writeout=immediate][,readonly][,socket=socket|sock_fd=sock_fd][,fmode=fmode][,dmode=dmode]\n"
|
||||
|
||||
@ -80,6 +80,7 @@ gcov-files-test-thread-pool-y = thread-pool.c
|
||||
gcov-files-test-hbitmap-y = util/hbitmap.c
|
||||
check-unit-y += tests/test-hbitmap$(EXESUF)
|
||||
gcov-files-test-hbitmap-y = blockjob.c
|
||||
check-unit-y += tests/test-bdrv-drain$(EXESUF)
|
||||
check-unit-y += tests/test-blockjob$(EXESUF)
|
||||
check-unit-y += tests/test-blockjob-txn$(EXESUF)
|
||||
check-unit-y += tests/test-x86-cpuid$(EXESUF)
|
||||
@ -595,6 +596,7 @@ tests/test-coroutine$(EXESUF): tests/test-coroutine.o $(test-block-obj-y)
|
||||
tests/test-aio$(EXESUF): tests/test-aio.o $(test-block-obj-y)
|
||||
tests/test-aio-multithread$(EXESUF): tests/test-aio-multithread.o $(test-block-obj-y)
|
||||
tests/test-throttle$(EXESUF): tests/test-throttle.o $(test-block-obj-y)
|
||||
tests/test-bdrv-drain$(EXESUF): tests/test-bdrv-drain.o $(test-block-obj-y) $(test-util-obj-y)
|
||||
tests/test-blockjob$(EXESUF): tests/test-blockjob.o $(test-block-obj-y) $(test-util-obj-y)
|
||||
tests/test-blockjob-txn$(EXESUF): tests/test-blockjob-txn.o $(test-block-obj-y) $(test-util-obj-y)
|
||||
tests/test-thread-pool$(EXESUF): tests/test-thread-pool.o $(test-block-obj-y)
|
||||
|
||||
@ -60,6 +60,10 @@ echo '=== Copy-on-read ==='
|
||||
echo
|
||||
|
||||
# Prep the images
|
||||
# VPC rounds image sizes to a specific geometry, force a specific size.
|
||||
if [ "$IMGFMT" = "vpc" ]; then
|
||||
IMGOPTS=$(_optstr_add "$IMGOPTS" "force_size")
|
||||
fi
|
||||
_make_test_img 4G
|
||||
$QEMU_IO -c "write -P 55 3G 1k" "$TEST_IMG" | _filter_qemu_io
|
||||
IMGPROTO=file IMGFMT=qcow2 IMGOPTS= TEST_IMG_FILE="$TEST_WRAP" \
|
||||
|
||||
@ -134,7 +134,8 @@ _filter_img_create()
|
||||
-e "s# log_size=[0-9]\\+##g" \
|
||||
-e "s# refcount_bits=[0-9]\\+##g" \
|
||||
-e "s# key-secret=[a-zA-Z0-9]\\+##g" \
|
||||
-e "s# iter-time=[0-9]\\+##g"
|
||||
-e "s# iter-time=[0-9]\\+##g" \
|
||||
-e "s# force_size=\\(on\\|off\\)##g"
|
||||
}
|
||||
|
||||
_filter_img_info()
|
||||
|
||||
651
tests/test-bdrv-drain.c
Normal file
651
tests/test-bdrv-drain.c
Normal file
@ -0,0 +1,651 @@
|
||||
/*
|
||||
* Block node draining tests
|
||||
*
|
||||
* Copyright (c) 2017 Kevin Wolf <kwolf@redhat.com>
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#include "qemu/osdep.h"
|
||||
#include "block/block.h"
|
||||
#include "block/blockjob_int.h"
|
||||
#include "sysemu/block-backend.h"
|
||||
#include "qapi/error.h"
|
||||
|
||||
typedef struct BDRVTestState {
|
||||
int drain_count;
|
||||
} BDRVTestState;
|
||||
|
||||
static void coroutine_fn bdrv_test_co_drain_begin(BlockDriverState *bs)
|
||||
{
|
||||
BDRVTestState *s = bs->opaque;
|
||||
s->drain_count++;
|
||||
}
|
||||
|
||||
static void coroutine_fn bdrv_test_co_drain_end(BlockDriverState *bs)
|
||||
{
|
||||
BDRVTestState *s = bs->opaque;
|
||||
s->drain_count--;
|
||||
}
|
||||
|
||||
static void bdrv_test_close(BlockDriverState *bs)
|
||||
{
|
||||
BDRVTestState *s = bs->opaque;
|
||||
g_assert_cmpint(s->drain_count, >, 0);
|
||||
}
|
||||
|
||||
static int coroutine_fn bdrv_test_co_preadv(BlockDriverState *bs,
|
||||
uint64_t offset, uint64_t bytes,
|
||||
QEMUIOVector *qiov, int flags)
|
||||
{
|
||||
/* We want this request to stay until the polling loop in drain waits for
|
||||
* it to complete. We need to sleep a while as bdrv_drain_invoke() comes
|
||||
* first and polls its result, too, but it shouldn't accidentally complete
|
||||
* this request yet. */
|
||||
qemu_co_sleep_ns(QEMU_CLOCK_REALTIME, 100000);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static BlockDriver bdrv_test = {
|
||||
.format_name = "test",
|
||||
.instance_size = sizeof(BDRVTestState),
|
||||
|
||||
.bdrv_close = bdrv_test_close,
|
||||
.bdrv_co_preadv = bdrv_test_co_preadv,
|
||||
|
||||
.bdrv_co_drain_begin = bdrv_test_co_drain_begin,
|
||||
.bdrv_co_drain_end = bdrv_test_co_drain_end,
|
||||
|
||||
.bdrv_child_perm = bdrv_format_default_perms,
|
||||
};
|
||||
|
||||
static void aio_ret_cb(void *opaque, int ret)
|
||||
{
|
||||
int *aio_ret = opaque;
|
||||
*aio_ret = ret;
|
||||
}
|
||||
|
||||
typedef struct CallInCoroutineData {
|
||||
void (*entry)(void);
|
||||
bool done;
|
||||
} CallInCoroutineData;
|
||||
|
||||
static coroutine_fn void call_in_coroutine_entry(void *opaque)
|
||||
{
|
||||
CallInCoroutineData *data = opaque;
|
||||
|
||||
data->entry();
|
||||
data->done = true;
|
||||
}
|
||||
|
||||
static void call_in_coroutine(void (*entry)(void))
|
||||
{
|
||||
Coroutine *co;
|
||||
CallInCoroutineData data = {
|
||||
.entry = entry,
|
||||
.done = false,
|
||||
};
|
||||
|
||||
co = qemu_coroutine_create(call_in_coroutine_entry, &data);
|
||||
qemu_coroutine_enter(co);
|
||||
while (!data.done) {
|
||||
aio_poll(qemu_get_aio_context(), true);
|
||||
}
|
||||
}
|
||||
|
||||
enum drain_type {
|
||||
BDRV_DRAIN_ALL,
|
||||
BDRV_DRAIN,
|
||||
BDRV_SUBTREE_DRAIN,
|
||||
DRAIN_TYPE_MAX,
|
||||
};
|
||||
|
||||
static void do_drain_begin(enum drain_type drain_type, BlockDriverState *bs)
|
||||
{
|
||||
switch (drain_type) {
|
||||
case BDRV_DRAIN_ALL: bdrv_drain_all_begin(); break;
|
||||
case BDRV_DRAIN: bdrv_drained_begin(bs); break;
|
||||
case BDRV_SUBTREE_DRAIN: bdrv_subtree_drained_begin(bs); break;
|
||||
default: g_assert_not_reached();
|
||||
}
|
||||
}
|
||||
|
||||
static void do_drain_end(enum drain_type drain_type, BlockDriverState *bs)
|
||||
{
|
||||
switch (drain_type) {
|
||||
case BDRV_DRAIN_ALL: bdrv_drain_all_end(); break;
|
||||
case BDRV_DRAIN: bdrv_drained_end(bs); break;
|
||||
case BDRV_SUBTREE_DRAIN: bdrv_subtree_drained_end(bs); break;
|
||||
default: g_assert_not_reached();
|
||||
}
|
||||
}
|
||||
|
||||
static void test_drv_cb_common(enum drain_type drain_type, bool recursive)
|
||||
{
|
||||
BlockBackend *blk;
|
||||
BlockDriverState *bs, *backing;
|
||||
BDRVTestState *s, *backing_s;
|
||||
BlockAIOCB *acb;
|
||||
int aio_ret;
|
||||
|
||||
QEMUIOVector qiov;
|
||||
struct iovec iov = {
|
||||
.iov_base = NULL,
|
||||
.iov_len = 0,
|
||||
};
|
||||
qemu_iovec_init_external(&qiov, &iov, 1);
|
||||
|
||||
blk = blk_new(BLK_PERM_ALL, BLK_PERM_ALL);
|
||||
bs = bdrv_new_open_driver(&bdrv_test, "test-node", BDRV_O_RDWR,
|
||||
&error_abort);
|
||||
s = bs->opaque;
|
||||
blk_insert_bs(blk, bs, &error_abort);
|
||||
|
||||
backing = bdrv_new_open_driver(&bdrv_test, "backing", 0, &error_abort);
|
||||
backing_s = backing->opaque;
|
||||
bdrv_set_backing_hd(bs, backing, &error_abort);
|
||||
|
||||
/* Simple bdrv_drain_all_begin/end pair, check that CBs are called */
|
||||
g_assert_cmpint(s->drain_count, ==, 0);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 0);
|
||||
|
||||
do_drain_begin(drain_type, bs);
|
||||
|
||||
g_assert_cmpint(s->drain_count, ==, 1);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, !!recursive);
|
||||
|
||||
do_drain_end(drain_type, bs);
|
||||
|
||||
g_assert_cmpint(s->drain_count, ==, 0);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 0);
|
||||
|
||||
/* Now do the same while a request is pending */
|
||||
aio_ret = -EINPROGRESS;
|
||||
acb = blk_aio_preadv(blk, 0, &qiov, 0, aio_ret_cb, &aio_ret);
|
||||
g_assert(acb != NULL);
|
||||
g_assert_cmpint(aio_ret, ==, -EINPROGRESS);
|
||||
|
||||
g_assert_cmpint(s->drain_count, ==, 0);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 0);
|
||||
|
||||
do_drain_begin(drain_type, bs);
|
||||
|
||||
g_assert_cmpint(aio_ret, ==, 0);
|
||||
g_assert_cmpint(s->drain_count, ==, 1);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, !!recursive);
|
||||
|
||||
do_drain_end(drain_type, bs);
|
||||
|
||||
g_assert_cmpint(s->drain_count, ==, 0);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 0);
|
||||
|
||||
bdrv_unref(backing);
|
||||
bdrv_unref(bs);
|
||||
blk_unref(blk);
|
||||
}
|
||||
|
||||
static void test_drv_cb_drain_all(void)
|
||||
{
|
||||
test_drv_cb_common(BDRV_DRAIN_ALL, true);
|
||||
}
|
||||
|
||||
static void test_drv_cb_drain(void)
|
||||
{
|
||||
test_drv_cb_common(BDRV_DRAIN, false);
|
||||
}
|
||||
|
||||
static void test_drv_cb_drain_subtree(void)
|
||||
{
|
||||
test_drv_cb_common(BDRV_SUBTREE_DRAIN, true);
|
||||
}
|
||||
|
||||
static void test_drv_cb_co_drain(void)
|
||||
{
|
||||
call_in_coroutine(test_drv_cb_drain);
|
||||
}
|
||||
|
||||
static void test_drv_cb_co_drain_subtree(void)
|
||||
{
|
||||
call_in_coroutine(test_drv_cb_drain_subtree);
|
||||
}
|
||||
|
||||
static void test_quiesce_common(enum drain_type drain_type, bool recursive)
|
||||
{
|
||||
BlockBackend *blk;
|
||||
BlockDriverState *bs, *backing;
|
||||
|
||||
blk = blk_new(BLK_PERM_ALL, BLK_PERM_ALL);
|
||||
bs = bdrv_new_open_driver(&bdrv_test, "test-node", BDRV_O_RDWR,
|
||||
&error_abort);
|
||||
blk_insert_bs(blk, bs, &error_abort);
|
||||
|
||||
backing = bdrv_new_open_driver(&bdrv_test, "backing", 0, &error_abort);
|
||||
bdrv_set_backing_hd(bs, backing, &error_abort);
|
||||
|
||||
g_assert_cmpint(bs->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 0);
|
||||
|
||||
do_drain_begin(drain_type, bs);
|
||||
|
||||
g_assert_cmpint(bs->quiesce_counter, ==, 1);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, !!recursive);
|
||||
|
||||
do_drain_end(drain_type, bs);
|
||||
|
||||
g_assert_cmpint(bs->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 0);
|
||||
|
||||
bdrv_unref(backing);
|
||||
bdrv_unref(bs);
|
||||
blk_unref(blk);
|
||||
}
|
||||
|
||||
static void test_quiesce_drain_all(void)
|
||||
{
|
||||
// XXX drain_all doesn't quiesce
|
||||
//test_quiesce_common(BDRV_DRAIN_ALL, true);
|
||||
}
|
||||
|
||||
static void test_quiesce_drain(void)
|
||||
{
|
||||
test_quiesce_common(BDRV_DRAIN, false);
|
||||
}
|
||||
|
||||
static void test_quiesce_drain_subtree(void)
|
||||
{
|
||||
test_quiesce_common(BDRV_SUBTREE_DRAIN, true);
|
||||
}
|
||||
|
||||
static void test_quiesce_co_drain(void)
|
||||
{
|
||||
call_in_coroutine(test_quiesce_drain);
|
||||
}
|
||||
|
||||
static void test_quiesce_co_drain_subtree(void)
|
||||
{
|
||||
call_in_coroutine(test_quiesce_drain_subtree);
|
||||
}
|
||||
|
||||
static void test_nested(void)
|
||||
{
|
||||
BlockBackend *blk;
|
||||
BlockDriverState *bs, *backing;
|
||||
BDRVTestState *s, *backing_s;
|
||||
enum drain_type outer, inner;
|
||||
|
||||
blk = blk_new(BLK_PERM_ALL, BLK_PERM_ALL);
|
||||
bs = bdrv_new_open_driver(&bdrv_test, "test-node", BDRV_O_RDWR,
|
||||
&error_abort);
|
||||
s = bs->opaque;
|
||||
blk_insert_bs(blk, bs, &error_abort);
|
||||
|
||||
backing = bdrv_new_open_driver(&bdrv_test, "backing", 0, &error_abort);
|
||||
backing_s = backing->opaque;
|
||||
bdrv_set_backing_hd(bs, backing, &error_abort);
|
||||
|
||||
for (outer = 0; outer < DRAIN_TYPE_MAX; outer++) {
|
||||
for (inner = 0; inner < DRAIN_TYPE_MAX; inner++) {
|
||||
/* XXX bdrv_drain_all() doesn't increase the quiesce_counter */
|
||||
int bs_quiesce = (outer != BDRV_DRAIN_ALL) +
|
||||
(inner != BDRV_DRAIN_ALL);
|
||||
int backing_quiesce = (outer == BDRV_SUBTREE_DRAIN) +
|
||||
(inner == BDRV_SUBTREE_DRAIN);
|
||||
int backing_cb_cnt = (outer != BDRV_DRAIN) +
|
||||
(inner != BDRV_DRAIN);
|
||||
|
||||
g_assert_cmpint(bs->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(s->drain_count, ==, 0);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 0);
|
||||
|
||||
do_drain_begin(outer, bs);
|
||||
do_drain_begin(inner, bs);
|
||||
|
||||
g_assert_cmpint(bs->quiesce_counter, ==, bs_quiesce);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, backing_quiesce);
|
||||
g_assert_cmpint(s->drain_count, ==, 2);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, backing_cb_cnt);
|
||||
|
||||
do_drain_end(inner, bs);
|
||||
do_drain_end(outer, bs);
|
||||
|
||||
g_assert_cmpint(bs->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(s->drain_count, ==, 0);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 0);
|
||||
}
|
||||
}
|
||||
|
||||
bdrv_unref(backing);
|
||||
bdrv_unref(bs);
|
||||
blk_unref(blk);
|
||||
}
|
||||
|
||||
static void test_multiparent(void)
|
||||
{
|
||||
BlockBackend *blk_a, *blk_b;
|
||||
BlockDriverState *bs_a, *bs_b, *backing;
|
||||
BDRVTestState *a_s, *b_s, *backing_s;
|
||||
|
||||
blk_a = blk_new(BLK_PERM_ALL, BLK_PERM_ALL);
|
||||
bs_a = bdrv_new_open_driver(&bdrv_test, "test-node-a", BDRV_O_RDWR,
|
||||
&error_abort);
|
||||
a_s = bs_a->opaque;
|
||||
blk_insert_bs(blk_a, bs_a, &error_abort);
|
||||
|
||||
blk_b = blk_new(BLK_PERM_ALL, BLK_PERM_ALL);
|
||||
bs_b = bdrv_new_open_driver(&bdrv_test, "test-node-b", BDRV_O_RDWR,
|
||||
&error_abort);
|
||||
b_s = bs_b->opaque;
|
||||
blk_insert_bs(blk_b, bs_b, &error_abort);
|
||||
|
||||
backing = bdrv_new_open_driver(&bdrv_test, "backing", 0, &error_abort);
|
||||
backing_s = backing->opaque;
|
||||
bdrv_set_backing_hd(bs_a, backing, &error_abort);
|
||||
bdrv_set_backing_hd(bs_b, backing, &error_abort);
|
||||
|
||||
g_assert_cmpint(bs_a->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(bs_b->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(a_s->drain_count, ==, 0);
|
||||
g_assert_cmpint(b_s->drain_count, ==, 0);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 0);
|
||||
|
||||
do_drain_begin(BDRV_SUBTREE_DRAIN, bs_a);
|
||||
|
||||
g_assert_cmpint(bs_a->quiesce_counter, ==, 1);
|
||||
g_assert_cmpint(bs_b->quiesce_counter, ==, 1);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 1);
|
||||
g_assert_cmpint(a_s->drain_count, ==, 1);
|
||||
g_assert_cmpint(b_s->drain_count, ==, 1);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 1);
|
||||
|
||||
do_drain_begin(BDRV_SUBTREE_DRAIN, bs_b);
|
||||
|
||||
g_assert_cmpint(bs_a->quiesce_counter, ==, 2);
|
||||
g_assert_cmpint(bs_b->quiesce_counter, ==, 2);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 2);
|
||||
g_assert_cmpint(a_s->drain_count, ==, 2);
|
||||
g_assert_cmpint(b_s->drain_count, ==, 2);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 2);
|
||||
|
||||
do_drain_end(BDRV_SUBTREE_DRAIN, bs_b);
|
||||
|
||||
g_assert_cmpint(bs_a->quiesce_counter, ==, 1);
|
||||
g_assert_cmpint(bs_b->quiesce_counter, ==, 1);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 1);
|
||||
g_assert_cmpint(a_s->drain_count, ==, 1);
|
||||
g_assert_cmpint(b_s->drain_count, ==, 1);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 1);
|
||||
|
||||
do_drain_end(BDRV_SUBTREE_DRAIN, bs_a);
|
||||
|
||||
g_assert_cmpint(bs_a->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(bs_b->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(a_s->drain_count, ==, 0);
|
||||
g_assert_cmpint(b_s->drain_count, ==, 0);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 0);
|
||||
|
||||
bdrv_unref(backing);
|
||||
bdrv_unref(bs_a);
|
||||
bdrv_unref(bs_b);
|
||||
blk_unref(blk_a);
|
||||
blk_unref(blk_b);
|
||||
}
|
||||
|
||||
static void test_graph_change(void)
|
||||
{
|
||||
BlockBackend *blk_a, *blk_b;
|
||||
BlockDriverState *bs_a, *bs_b, *backing;
|
||||
BDRVTestState *a_s, *b_s, *backing_s;
|
||||
|
||||
blk_a = blk_new(BLK_PERM_ALL, BLK_PERM_ALL);
|
||||
bs_a = bdrv_new_open_driver(&bdrv_test, "test-node-a", BDRV_O_RDWR,
|
||||
&error_abort);
|
||||
a_s = bs_a->opaque;
|
||||
blk_insert_bs(blk_a, bs_a, &error_abort);
|
||||
|
||||
blk_b = blk_new(BLK_PERM_ALL, BLK_PERM_ALL);
|
||||
bs_b = bdrv_new_open_driver(&bdrv_test, "test-node-b", BDRV_O_RDWR,
|
||||
&error_abort);
|
||||
b_s = bs_b->opaque;
|
||||
blk_insert_bs(blk_b, bs_b, &error_abort);
|
||||
|
||||
backing = bdrv_new_open_driver(&bdrv_test, "backing", 0, &error_abort);
|
||||
backing_s = backing->opaque;
|
||||
bdrv_set_backing_hd(bs_a, backing, &error_abort);
|
||||
|
||||
g_assert_cmpint(bs_a->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(bs_b->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(a_s->drain_count, ==, 0);
|
||||
g_assert_cmpint(b_s->drain_count, ==, 0);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 0);
|
||||
|
||||
do_drain_begin(BDRV_SUBTREE_DRAIN, bs_a);
|
||||
do_drain_begin(BDRV_SUBTREE_DRAIN, bs_a);
|
||||
do_drain_begin(BDRV_SUBTREE_DRAIN, bs_a);
|
||||
do_drain_begin(BDRV_SUBTREE_DRAIN, bs_b);
|
||||
do_drain_begin(BDRV_SUBTREE_DRAIN, bs_b);
|
||||
|
||||
bdrv_set_backing_hd(bs_b, backing, &error_abort);
|
||||
g_assert_cmpint(bs_a->quiesce_counter, ==, 5);
|
||||
g_assert_cmpint(bs_b->quiesce_counter, ==, 5);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 5);
|
||||
g_assert_cmpint(a_s->drain_count, ==, 5);
|
||||
g_assert_cmpint(b_s->drain_count, ==, 5);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 5);
|
||||
|
||||
bdrv_set_backing_hd(bs_b, NULL, &error_abort);
|
||||
g_assert_cmpint(bs_a->quiesce_counter, ==, 3);
|
||||
g_assert_cmpint(bs_b->quiesce_counter, ==, 2);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 3);
|
||||
g_assert_cmpint(a_s->drain_count, ==, 3);
|
||||
g_assert_cmpint(b_s->drain_count, ==, 2);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 3);
|
||||
|
||||
bdrv_set_backing_hd(bs_b, backing, &error_abort);
|
||||
g_assert_cmpint(bs_a->quiesce_counter, ==, 5);
|
||||
g_assert_cmpint(bs_b->quiesce_counter, ==, 5);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 5);
|
||||
g_assert_cmpint(a_s->drain_count, ==, 5);
|
||||
g_assert_cmpint(b_s->drain_count, ==, 5);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 5);
|
||||
|
||||
do_drain_end(BDRV_SUBTREE_DRAIN, bs_b);
|
||||
do_drain_end(BDRV_SUBTREE_DRAIN, bs_b);
|
||||
do_drain_end(BDRV_SUBTREE_DRAIN, bs_a);
|
||||
do_drain_end(BDRV_SUBTREE_DRAIN, bs_a);
|
||||
do_drain_end(BDRV_SUBTREE_DRAIN, bs_a);
|
||||
|
||||
g_assert_cmpint(bs_a->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(bs_b->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(backing->quiesce_counter, ==, 0);
|
||||
g_assert_cmpint(a_s->drain_count, ==, 0);
|
||||
g_assert_cmpint(b_s->drain_count, ==, 0);
|
||||
g_assert_cmpint(backing_s->drain_count, ==, 0);
|
||||
|
||||
bdrv_unref(backing);
|
||||
bdrv_unref(bs_a);
|
||||
bdrv_unref(bs_b);
|
||||
blk_unref(blk_a);
|
||||
blk_unref(blk_b);
|
||||
}
|
||||
|
||||
|
||||
typedef struct TestBlockJob {
|
||||
BlockJob common;
|
||||
bool should_complete;
|
||||
} TestBlockJob;
|
||||
|
||||
static void test_job_completed(BlockJob *job, void *opaque)
|
||||
{
|
||||
block_job_completed(job, 0);
|
||||
}
|
||||
|
||||
static void coroutine_fn test_job_start(void *opaque)
|
||||
{
|
||||
TestBlockJob *s = opaque;
|
||||
|
||||
while (!s->should_complete) {
|
||||
block_job_sleep_ns(&s->common, 100000);
|
||||
}
|
||||
|
||||
block_job_defer_to_main_loop(&s->common, test_job_completed, NULL);
|
||||
}
|
||||
|
||||
static void test_job_complete(BlockJob *job, Error **errp)
|
||||
{
|
||||
TestBlockJob *s = container_of(job, TestBlockJob, common);
|
||||
s->should_complete = true;
|
||||
}
|
||||
|
||||
BlockJobDriver test_job_driver = {
|
||||
.instance_size = sizeof(TestBlockJob),
|
||||
.start = test_job_start,
|
||||
.complete = test_job_complete,
|
||||
};
|
||||
|
||||
static void test_blockjob_common(enum drain_type drain_type)
|
||||
{
|
||||
BlockBackend *blk_src, *blk_target;
|
||||
BlockDriverState *src, *target;
|
||||
BlockJob *job;
|
||||
int ret;
|
||||
|
||||
src = bdrv_new_open_driver(&bdrv_test, "source", BDRV_O_RDWR,
|
||||
&error_abort);
|
||||
blk_src = blk_new(BLK_PERM_ALL, BLK_PERM_ALL);
|
||||
blk_insert_bs(blk_src, src, &error_abort);
|
||||
|
||||
target = bdrv_new_open_driver(&bdrv_test, "target", BDRV_O_RDWR,
|
||||
&error_abort);
|
||||
blk_target = blk_new(BLK_PERM_ALL, BLK_PERM_ALL);
|
||||
blk_insert_bs(blk_target, target, &error_abort);
|
||||
|
||||
job = block_job_create("job0", &test_job_driver, src, 0, BLK_PERM_ALL, 0,
|
||||
0, NULL, NULL, &error_abort);
|
||||
block_job_add_bdrv(job, "target", target, 0, BLK_PERM_ALL, &error_abort);
|
||||
block_job_start(job);
|
||||
|
||||
g_assert_cmpint(job->pause_count, ==, 0);
|
||||
g_assert_false(job->paused);
|
||||
g_assert_false(job->busy); /* We're in block_job_sleep_ns() */
|
||||
|
||||
do_drain_begin(drain_type, src);
|
||||
|
||||
if (drain_type == BDRV_DRAIN_ALL) {
|
||||
/* bdrv_drain_all() drains both src and target */
|
||||
g_assert_cmpint(job->pause_count, ==, 2);
|
||||
} else {
|
||||
g_assert_cmpint(job->pause_count, ==, 1);
|
||||
}
|
||||
/* XXX We don't wait until the job is actually paused. Is this okay? */
|
||||
/* g_assert_true(job->paused); */
|
||||
g_assert_false(job->busy); /* The job is paused */
|
||||
|
||||
do_drain_end(drain_type, src);
|
||||
|
||||
g_assert_cmpint(job->pause_count, ==, 0);
|
||||
g_assert_false(job->paused);
|
||||
g_assert_false(job->busy); /* We're in block_job_sleep_ns() */
|
||||
|
||||
do_drain_begin(drain_type, target);
|
||||
|
||||
if (drain_type == BDRV_DRAIN_ALL) {
|
||||
/* bdrv_drain_all() drains both src and target */
|
||||
g_assert_cmpint(job->pause_count, ==, 2);
|
||||
} else {
|
||||
g_assert_cmpint(job->pause_count, ==, 1);
|
||||
}
|
||||
/* XXX We don't wait until the job is actually paused. Is this okay? */
|
||||
/* g_assert_true(job->paused); */
|
||||
g_assert_false(job->busy); /* The job is paused */
|
||||
|
||||
do_drain_end(drain_type, target);
|
||||
|
||||
g_assert_cmpint(job->pause_count, ==, 0);
|
||||
g_assert_false(job->paused);
|
||||
g_assert_false(job->busy); /* We're in block_job_sleep_ns() */
|
||||
|
||||
ret = block_job_complete_sync(job, &error_abort);
|
||||
g_assert_cmpint(ret, ==, 0);
|
||||
|
||||
blk_unref(blk_src);
|
||||
blk_unref(blk_target);
|
||||
bdrv_unref(src);
|
||||
bdrv_unref(target);
|
||||
}
|
||||
|
||||
static void test_blockjob_drain_all(void)
|
||||
{
|
||||
test_blockjob_common(BDRV_DRAIN_ALL);
|
||||
}
|
||||
|
||||
static void test_blockjob_drain(void)
|
||||
{
|
||||
test_blockjob_common(BDRV_DRAIN);
|
||||
}
|
||||
|
||||
static void test_blockjob_drain_subtree(void)
|
||||
{
|
||||
test_blockjob_common(BDRV_SUBTREE_DRAIN);
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
bdrv_init();
|
||||
qemu_init_main_loop(&error_abort);
|
||||
|
||||
g_test_init(&argc, &argv, NULL);
|
||||
|
||||
g_test_add_func("/bdrv-drain/driver-cb/drain_all", test_drv_cb_drain_all);
|
||||
g_test_add_func("/bdrv-drain/driver-cb/drain", test_drv_cb_drain);
|
||||
g_test_add_func("/bdrv-drain/driver-cb/drain_subtree",
|
||||
test_drv_cb_drain_subtree);
|
||||
|
||||
// XXX bdrv_drain_all() doesn't work in coroutine context
|
||||
g_test_add_func("/bdrv-drain/driver-cb/co/drain", test_drv_cb_co_drain);
|
||||
g_test_add_func("/bdrv-drain/driver-cb/co/drain_subtree",
|
||||
test_drv_cb_co_drain_subtree);
|
||||
|
||||
|
||||
g_test_add_func("/bdrv-drain/quiesce/drain_all", test_quiesce_drain_all);
|
||||
g_test_add_func("/bdrv-drain/quiesce/drain", test_quiesce_drain);
|
||||
g_test_add_func("/bdrv-drain/quiesce/drain_subtree",
|
||||
test_quiesce_drain_subtree);
|
||||
|
||||
// XXX bdrv_drain_all() doesn't work in coroutine context
|
||||
g_test_add_func("/bdrv-drain/quiesce/co/drain", test_quiesce_co_drain);
|
||||
g_test_add_func("/bdrv-drain/quiesce/co/drain_subtree",
|
||||
test_quiesce_co_drain_subtree);
|
||||
|
||||
g_test_add_func("/bdrv-drain/nested", test_nested);
|
||||
g_test_add_func("/bdrv-drain/multiparent", test_multiparent);
|
||||
g_test_add_func("/bdrv-drain/graph-change", test_graph_change);
|
||||
|
||||
g_test_add_func("/bdrv-drain/blockjob/drain_all", test_blockjob_drain_all);
|
||||
g_test_add_func("/bdrv-drain/blockjob/drain", test_blockjob_drain);
|
||||
g_test_add_func("/bdrv-drain/blockjob/drain_subtree",
|
||||
test_blockjob_drain_subtree);
|
||||
|
||||
return g_test_run();
|
||||
}
|
||||
86
vl.c
86
vl.c
@ -3052,9 +3052,8 @@ int main(int argc, char **argv, char **envp)
|
||||
const char *boot_order = NULL;
|
||||
const char *boot_once = NULL;
|
||||
DisplayState *ds;
|
||||
int cyls, heads, secs, translation;
|
||||
QemuOpts *opts, *machine_opts;
|
||||
QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
|
||||
QemuOpts *icount_opts = NULL, *accel_opts = NULL;
|
||||
QemuOptsList *olist;
|
||||
int optind;
|
||||
const char *optarg;
|
||||
@ -3146,8 +3145,6 @@ int main(int argc, char **argv, char **envp)
|
||||
|
||||
cpu_model = NULL;
|
||||
snapshot = 0;
|
||||
cyls = heads = secs = 0;
|
||||
translation = BIOS_ATA_TRANSLATION_AUTO;
|
||||
|
||||
nb_nics = 0;
|
||||
|
||||
@ -3186,7 +3183,7 @@ int main(int argc, char **argv, char **envp)
|
||||
if (optind >= argc)
|
||||
break;
|
||||
if (argv[optind][0] != '-') {
|
||||
hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
|
||||
drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
|
||||
} else {
|
||||
const QEMUOption *popt;
|
||||
|
||||
@ -3206,21 +3203,6 @@ int main(int argc, char **argv, char **envp)
|
||||
cpu_model = optarg;
|
||||
break;
|
||||
case QEMU_OPTION_hda:
|
||||
{
|
||||
char buf[256];
|
||||
if (cyls == 0)
|
||||
snprintf(buf, sizeof(buf), "%s", HD_OPTS);
|
||||
else
|
||||
snprintf(buf, sizeof(buf),
|
||||
"%s,cyls=%d,heads=%d,secs=%d%s",
|
||||
HD_OPTS , cyls, heads, secs,
|
||||
translation == BIOS_ATA_TRANSLATION_LBA ?
|
||||
",trans=lba" :
|
||||
translation == BIOS_ATA_TRANSLATION_NONE ?
|
||||
",trans=none" : "");
|
||||
drive_add(IF_DEFAULT, 0, optarg, buf);
|
||||
break;
|
||||
}
|
||||
case QEMU_OPTION_hdb:
|
||||
case QEMU_OPTION_hdc:
|
||||
case QEMU_OPTION_hdd:
|
||||
@ -3271,70 +3253,6 @@ int main(int argc, char **argv, char **envp)
|
||||
case QEMU_OPTION_snapshot:
|
||||
snapshot = 1;
|
||||
break;
|
||||
case QEMU_OPTION_hdachs:
|
||||
{
|
||||
const char *p;
|
||||
p = optarg;
|
||||
cyls = strtol(p, (char **)&p, 0);
|
||||
if (cyls < 1 || cyls > 16383)
|
||||
goto chs_fail;
|
||||
if (*p != ',')
|
||||
goto chs_fail;
|
||||
p++;
|
||||
heads = strtol(p, (char **)&p, 0);
|
||||
if (heads < 1 || heads > 16)
|
||||
goto chs_fail;
|
||||
if (*p != ',')
|
||||
goto chs_fail;
|
||||
p++;
|
||||
secs = strtol(p, (char **)&p, 0);
|
||||
if (secs < 1 || secs > 63)
|
||||
goto chs_fail;
|
||||
if (*p == ',') {
|
||||
p++;
|
||||
if (!strcmp(p, "large")) {
|
||||
translation = BIOS_ATA_TRANSLATION_LARGE;
|
||||
} else if (!strcmp(p, "rechs")) {
|
||||
translation = BIOS_ATA_TRANSLATION_RECHS;
|
||||
} else if (!strcmp(p, "none")) {
|
||||
translation = BIOS_ATA_TRANSLATION_NONE;
|
||||
} else if (!strcmp(p, "lba")) {
|
||||
translation = BIOS_ATA_TRANSLATION_LBA;
|
||||
} else if (!strcmp(p, "auto")) {
|
||||
translation = BIOS_ATA_TRANSLATION_AUTO;
|
||||
} else {
|
||||
goto chs_fail;
|
||||
}
|
||||
} else if (*p != '\0') {
|
||||
chs_fail:
|
||||
error_report("invalid physical CHS format");
|
||||
exit(1);
|
||||
}
|
||||
if (hda_opts != NULL) {
|
||||
qemu_opt_set_number(hda_opts, "cyls", cyls,
|
||||
&error_abort);
|
||||
qemu_opt_set_number(hda_opts, "heads", heads,
|
||||
&error_abort);
|
||||
qemu_opt_set_number(hda_opts, "secs", secs,
|
||||
&error_abort);
|
||||
if (translation == BIOS_ATA_TRANSLATION_LARGE) {
|
||||
qemu_opt_set(hda_opts, "trans", "large",
|
||||
&error_abort);
|
||||
} else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
|
||||
qemu_opt_set(hda_opts, "trans", "rechs",
|
||||
&error_abort);
|
||||
} else if (translation == BIOS_ATA_TRANSLATION_LBA) {
|
||||
qemu_opt_set(hda_opts, "trans", "lba",
|
||||
&error_abort);
|
||||
} else if (translation == BIOS_ATA_TRANSLATION_NONE) {
|
||||
qemu_opt_set(hda_opts, "trans", "none",
|
||||
&error_abort);
|
||||
}
|
||||
}
|
||||
}
|
||||
error_report("'-hdachs' is deprecated, please use '-device"
|
||||
" ide-hd,cyls=c,heads=h,secs=s,...' instead");
|
||||
break;
|
||||
case QEMU_OPTION_numa:
|
||||
opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
|
||||
optarg, true);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user