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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1770303354; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UH3oFur9z5eGo7dKCt7OVrrgrqLNWWjB0BRf1ZUWOcg=; b=RkXmLzO4IMOXj54RNCbmy/mCMcICBQBEWKvVYN6K5qZbfqOepD5HIFJ4gNN5TpHLmjnktU 0JY715AuGiC4bpzlswuersZgyOdxt/jI3I5ZsgE9Cgwy/rCGmz1fI7R3KVA7cgMimyC2Hs ROPEt45SdfpmSEyUDaYG4coh+kFcRbA= X-MC-Unique: 3rnZr-AuOR6_390U3x9oUQ-1 X-Mimecast-MFC-AGG-ID: 3rnZr-AuOR6_390U3x9oUQ_1770303352 To: devel@lists.libvirt.org Subject: [PATCH RFC 19/20] qemu: capabilities: Introduce QEMU_CAPS_QUERY_BLOCK_FLAT Date: Thu, 5 Feb 2026 15:55:27 +0100 Message-ID: <89b706377a3e7eb9fdc3f03550f1197e75aede23.1770303113.git.pkrempa@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: Ze2MIiyZUBnQu2hZ1FiwhI1lmGVyhFVMwPk91k4_65I_1770303352 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Message-ID-Hash: YUIJQOXMKIDRFSFADQLUQDFKWBRJ73FX X-Message-ID-Hash: YUIJQOXMKIDRFSFADQLUQDFKWBRJ73FX X-MailFrom: pkrempa@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Peter Krempa via Devel Reply-To: Peter Krempa X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1770304236749158500 Content-Type: text/plain; charset="utf-8" From: Peter Krempa The 'flat' mode of 'query-block' allows ommiting information we don't actually read. Add a capability which will allow us to request the new mode. Signed-off-by: Peter Krempa --- src/qemu/qemu_capabilities.c | 2 ++ src/qemu/qemu_capabilities.h | 1 + 2 files changed, 3 insertions(+) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index f456e8a378..69db20e5b0 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -755,6 +755,7 @@ VIR_ENUM_IMPL(virQEMUCaps, "disk-timed-stats", /* QEMU_CAPS_DISK_TIMED_STATS */ "query-accelerators", /* QEMU_CAPS_QUERY_ACCELERATORS */ "mshv", /* QEMU_CAPS_MSHV */ + "query-block-flat", /* QEMU_CAPS_QUERY_BLOCK_FLAT */ ); @@ -1647,6 +1648,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSc= hemaQueries[] =3D { { "netdev_add/arg-type/+stream/reconnect-ms", QEMU_CAPS_NETDEV_STREAM_= RECONNECT_MILISECONDS }, { "object-add/arg-type/+sev-guest/kernel-hashes", QEMU_CAPS_SEV_GUEST_= KERNEL_HASHES }, { "object-add/arg-type/+iothread/thread-pool-max", QEMU_CAPS_IOTHREAD_= THREAD_POOL_MAX }, + { "query-block/arg-type/flat", QEMU_CAPS_QUERY_BLOCK_FLAT }, { "query-display-options/ret-type/+egl-headless/rendernode", QEMU_CAPS= _EGL_HEADLESS_RENDERNODE }, { "query-display-options/ret-type/+sdl", QEMU_CAPS_SDL }, { "query-display-options/ret-type/+egl-headless", QEMU_CAPS_EGL_HEADLE= SS }, diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index f180844e66..da9143f4da 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -730,6 +730,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for = syntax-check */ QEMU_CAPS_DISK_TIMED_STATS, /* timed stats support ('stats-intervals' = property of disk frontends) */ QEMU_CAPS_QUERY_ACCELERATORS, /* query-accelerators command */ QEMU_CAPS_MSHV, /* -accel mshv */ + QEMU_CAPS_QUERY_BLOCK_FLAT, /* 'query-block' command supports 'flat' */ QEMU_CAPS_LAST /* this must always be the last item */ } virQEMUCapsFlags; --=20 2.53.0