Re: [RFC PATCH v2 2/3] virtio_pci: add a definition of queue flag in ISR

2023年5月8日(月) 12:59 Jason Wang [off-list ref]:

On Thu, Apr 27, 2023 at 6:44 PM Shunsuke Mie [off-list ref] wrote:

quoted

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

Typo should be "been".

Thanks for pointing that out.

quoted

flag. Add a macro for it.

Signed-off-by: Shunsuke Mie <redacted>

Other than this,

Acked-by: Jason Wang <redacted>

quoted

---
 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

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