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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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hypervisor/include/dm/ivshmem.h
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@@ -23,6 +23,7 @@ struct ivshmem_shm_region {
char name[32];
uint64_t hpa;
uint64_t size;
struct ivshmem_device *doorbell_peers[MAX_IVSHMEM_PEER_NUM];
};
extern const struct pci_vdev_ops vpci_ivshmem_ops;