linux-kernel - [RFC PATCH 1/4] virtio_pci: add a definition of queue flag in ISR

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230203100418.2981144-2-mie@igel.co.jp>
Date:   Fri,  3 Feb 2023 19:04:15 +0900
From:   Shunsuke Mie <mie@...l.co.jp>
To:     Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc:     Krzysztof Wilczyński <kw@...ux.com>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Shunsuke Mie <mie@...l.co.jp>, Frank Li <Frank.Li@....com>,
        Jon Mason <jdmason@...zu.us>,
        Ren Zhijie <renzhijie2@...wei.com>,
        Takanari Hayama <taki@...l.co.jp>,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        virtualization@...ts.linux-foundation.org
Subject: [RFC PATCH 1/4] virtio_pci: add a definition of queue flag in ISR

Already it has beed defined a config changed flag of ISR, but not the queue
flag. Add a macro for it.

Signed-off-by: Shunsuke Mie <mie@...l.co.jp>
Signed-off-by: Takanari Hayama <taki@...l.co.jp>
---
 include/uapi/linux/virtio_pci.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h
index f703afc7ad31..fa82afd6171a 100644
--- a/include/uapi/linux/virtio_pci.h
+++ b/include/uapi/linux/virtio_pci.h
@@ -94,6 +94,8 @@
 
 #endif /* VIRTIO_PCI_NO_LEGACY */
 
+/* Ths bit of the ISR which indicates a queue entry update */
+#define VIRTIO_PCI_ISR_QUEUE		0x1
 /* The bit of the ISR which indicates a device configuration change. */
 #define VIRTIO_PCI_ISR_CONFIG		0x2
 /* Vector value used to disable MSI for queue */
-- 
2.25.1