From: Shunsuke Mie <mie@igel.co.jp>
To: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: "Krzysztof Wilczyński" <kw@linux.com>,
"Manivannan Sadhasivam" <mani@kernel.org>,
"Kishon Vijay Abraham I" <kishon@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
"Shunsuke Mie" <mie@igel.co.jp>, "Frank Li" <Frank.Li@nxp.com>,
"Jon Mason" <jdmason@kudzu.us>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Ren Zhijie" <renzhijie2@huawei.com>,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
virtualization@lists.linux-foundation.org
Subject: [RFC PATCH 2/3] virtio_pci: add a definition of queue flag in ISR
Date: Fri, 14 Apr 2023 21:39:02 +0900 [thread overview]
Message-ID: <20230414123903.896914-3-mie@igel.co.jp> (raw)
In-Reply-To: <20230414123903.896914-1-mie@igel.co.jp>
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@igel.co.jp>
---
include/uapi/linux/virtio_pci.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h
index f703afc7ad31..d405bea27240 100644
--- a/include/uapi/linux/virtio_pci.h
+++ b/include/uapi/linux/virtio_pci.h
@@ -94,6 +94,9 @@
#endif /* VIRTIO_PCI_NO_LEGACY */
+/* Bits for ISR status field:only when if MSI-X is disabled */
+/* The 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
next prev parent reply other threads:[~2023-04-14 12:39 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-14 12:39 [RFC PATCH 0/3] Introduce a PCIe endpoint virtio console Shunsuke Mie
2023-04-14 12:39 ` [RFC PATCH 1/3] PCI: endpoint: introduce a helper to implement pci ep virtio function Shunsuke Mie
2023-04-14 12:39 ` Shunsuke Mie [this message]
2023-04-14 12:39 ` [RFC PATCH 3/3] PCI: endpoint: Add EP function driver to provide virtio-console functionality Shunsuke Mie
2023-04-14 14:39 ` [EXT] [RFC PATCH 0/3] Introduce a PCIe endpoint virtio console Frank Li
2023-04-17 2:11 ` Shunsuke Mie
2023-04-17 15:19 ` Frank Li
2023-04-18 10:31 ` Shunsuke Mie
2023-04-18 16:42 ` Frank Li
2023-04-24 10:06 ` Shunsuke Mie
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