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s=mimecast20190719; t=1707893314; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cZiYICAEPQEmGjWFcJuqoqXwCObYbxNWa7J9q7/sD8E=; b=cFXzZmR9DkAlwake41OxnoTZid5DavFiIP4GIe0CARGzZtMJYoIJPDEJ424nAJeQhi8kkO h/eDZvZ3yhYtR0oWIdq2Bc6P9S3iVTJAMOvZHofXaVrsN0L8d4TAewjYS06jTxbQhWE5uB Si4YVNTJUN/PXnKLxnoQIflEKybrS64= X-MC-Unique: cqQvAB3yPHqOnin68keJ3Q-1 From: Markus Armbruster To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Eric Blake Subject: [PULL v2 3/4] qapi/char: Make backend types properly conditional Date: Wed, 14 Feb 2024 07:47:48 +0100 Message-ID: <20240214064749.1060107-4-armbru@redhat.com> In-Reply-To: <20240214064749.1060107-1-armbru@redhat.com> References: <20240214064749.1060107-1-armbru@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.504, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1707893332488100003 Character backends are actually QOM types. When a backend's compile-time conditional QOM type is not compiled in, creation fails with "'FOO' is not a valid char driver name". Okay, except introspecting chardev-add with query-qmp-schema doesn't work then: the backend type is there even though the QOM type isn't. A management application can work around this issue by using qom-list-types instead. Fix the issue anyway: add the conditionals to the QAPI schema. Signed-off-by: Markus Armbruster Message-ID: <20240203080228.2766159-4-armbru@redhat.com> Reviewed-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Eric Blake --- qapi/char.json | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/qapi/char.json b/qapi/char.json index 6c6ad3b10c..2d74e66746 100644 --- a/qapi/char.json +++ b/qapi/char.json @@ -472,8 +472,8 @@ ## { 'enum': 'ChardevBackendKind', 'data': [ 'file', - 'serial', - 'parallel', + { 'name': 'serial', 'if': 'HAVE_CHARDEV_SERIAL' }, + { 'name': 'parallel', 'if': 'HAVE_CHARDEV_PARALLEL' }, 'pipe', 'socket', 'udp', @@ -482,10 +482,10 @@ 'mux', 'msmouse', 'wctablet', - 'braille', + { 'name': 'braille', 'if': 'CONFIG_BRLAPI' }, 'testdev', 'stdio', - 'console', + { 'name': 'console', 'if': 'CONFIG_WIN32' }, { 'name': 'spicevmc', 'if': 'CONFIG_SPICE' }, { 'name': 'spiceport', 'if': 'CONFIG_SPICE' }, { 'name': 'qemu-vdagent', 'if': 'CONFIG_SPICE_PROTOCOL' }, @@ -614,8 +614,10 @@ 'base': { 'type': 'ChardevBackendKind' }, 'discriminator': 'type', 'data': { 'file': 'ChardevFileWrapper', - 'serial': 'ChardevHostdevWrapper', - 'parallel': 'ChardevHostdevWrapper', + 'serial': { 'type': 'ChardevHostdevWrapper', + 'if': 'HAVE_CHARDEV_SERIAL' }, + 'parallel': { 'type': 'ChardevHostdevWrapper', + 'if': 'HAVE_CHARDEV_PARALLEL' }, 'pipe': 'ChardevHostdevWrapper', 'socket': 'ChardevSocketWrapper', 'udp': 'ChardevUdpWrapper', @@ -624,10 +626,12 @@ 'mux': 'ChardevMuxWrapper', 'msmouse': 'ChardevCommonWrapper', 'wctablet': 'ChardevCommonWrapper', - 'braille': 'ChardevCommonWrapper', + 'braille': { 'type': 'ChardevCommonWrapper', + 'if': 'CONFIG_BRLAPI' }, 'testdev': 'ChardevCommonWrapper', 'stdio': 'ChardevStdioWrapper', - 'console': 'ChardevCommonWrapper', + 'console': { 'type': 'ChardevCommonWrapper', + 'if': 'CONFIG_WIN32' }, 'spicevmc': { 'type': 'ChardevSpiceChannelWrapper', 'if': 'CONFIG_SPICE' }, 'spiceport': { 'type': 'ChardevSpicePortWrapper', --=20 2.43.0