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hv: enable doorbell for hv-land ivshmem device

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This patch enables doorbell feature for hv-land
ivshmem device to support interrupt notification
between VMs that use inter-VM(ivshmem) devices.

Tracked-On: #5407
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
Reviewed-by: Li, Fei <fei1.li@intel.com>
Reviewed-by: Wang, Yu1 <yu1.wang@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yonghua Huang
2020-10-22 16:53:33 +08:00
committed by wenlingz
parent 62a36ce34b
commit 9b4ba19753
4 changed files with 114 additions and 4 deletions
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1
hypervisor/dm/vpci/vpci_priv.h
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@@ -158,6 +158,7 @@ bool write_vmsix_cap_reg(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes,
void write_pt_vmsix_cap_reg(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
uint32_t rw_vmsix_table(struct pci_vdev *vdev, struct io_request *io_req);
int32_t vmsix_handle_table_mmio_access(struct io_request *io_req, void *priv_data);
bool vpci_vmsix_enabled(const struct pci_vdev *vdev);
void deinit_vmsix_pt(struct pci_vdev *vdev);
void init_vmsix_on_msi(struct pci_vdev *vdev);