diff options
| author | Wu Zongyong <wuzongyong@linux.alibaba.com> | 2021-10-29 12:14:42 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-11-01 11:30:34 +0300 |
| commit | d89c8169bd7052c78731137da4c4c06986409c62 (patch) | |
| tree | 38cc07d5748f9c14e7dadc94d9545e0c4f043f57 /drivers/virtio/virtio_pci_common.h | |
| parent | 0989c41bed96e5dcf7939c6303e3759f02c4c16f (diff) | |
| download | linux-d89c8169bd7052c78731137da4c4c06986409c62.tar.xz | |
virtio-pci: introduce legacy device module
Split common codes from virtio-pci-legacy so vDPA driver can reuse it
later.
Signed-off-by: Wu Zongyong <wuzongyong@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/71605acde5e97fcb2760a6973e406279fb1bbd33.1635493219.git.wuzongyong@linux.alibaba.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio/virtio_pci_common.h')
| -rw-r--r-- | drivers/virtio/virtio_pci_common.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/virtio/virtio_pci_common.h b/drivers/virtio/virtio_pci_common.h index beec047a8f8d..eb17a29fc7ef 100644 --- a/drivers/virtio/virtio_pci_common.h +++ b/drivers/virtio/virtio_pci_common.h @@ -25,6 +25,7 @@ #include <linux/virtio_config.h> #include <linux/virtio_ring.h> #include <linux/virtio_pci.h> +#include <linux/virtio_pci_legacy.h> #include <linux/virtio_pci_modern.h> #include <linux/highmem.h> #include <linux/spinlock.h> @@ -44,16 +45,14 @@ struct virtio_pci_vq_info { struct virtio_pci_device { struct virtio_device vdev; struct pci_dev *pci_dev; + struct virtio_pci_legacy_device ldev; struct virtio_pci_modern_device mdev; - /* In legacy mode, these two point to within ->legacy. */ + bool is_legacy; + /* Where to read and clear interrupt */ u8 __iomem *isr; - /* Legacy only field */ - /* the IO mapping for the PCI config space */ - void __iomem *ioaddr; - /* a list of queues so we can dispatch IRQs */ spinlock_t lock; struct list_head virtqueues; |