search for: vhost_vfio_writ

..._memory memory; > > } payload; > > }; > > > > The existing vhost-kernel ioctl cmds are reused as > > the message requests in above structure. > > > > Each message will be written to or read from this > > region at offset 0: > > > > int vhost_vfio_write(struct vhost_dev *dev, struct vhost_vfio_op *op) > > { > > int count = VHOST_VFIO_OP_HDR_SIZE + op->size; > > struct vhost_vfio *vfio = dev->opaque; > > int ret; > > > > ret = pwrite64(vfio->device_fd, op, count, vfio->bar0_offset); > > i...

..._memory memory; > > } payload; > > }; > > > > The existing vhost-kernel ioctl cmds are reused as > > the message requests in above structure. > > > > Each message will be written to or read from this > > region at offset 0: > > > > int vhost_vfio_write(struct vhost_dev *dev, struct vhost_vfio_op *op) > > { > > int count = VHOST_VFIO_OP_HDR_SIZE + op->size; > > struct vhost_vfio *vfio = dev->opaque; > > int ret; > > > > ret = pwrite64(vfio->device_fd, op, count, vfio->bar0_offset); > > i...

...nion { __u64 u64; struct vhost_vring_state state; struct vhost_vring_addr addr; struct vhost_memory memory; } payload; }; The existing vhost-kernel ioctl cmds are reused as the message requests in above structure. Each message will be written to or read from this region at offset 0: int vhost_vfio_write(struct vhost_dev *dev, struct vhost_vfio_op *op) { int count = VHOST_VFIO_OP_HDR_SIZE + op->size; struct vhost_vfio *vfio = dev->opaque; int ret; ret = pwrite64(vfio->device_fd, op, count, vfio->bar0_offset); if (ret != count) return -1; return 0; } int vhost_vfio_read(struc...

...nion { __u64 u64; struct vhost_vring_state state; struct vhost_vring_addr addr; struct vhost_memory memory; } payload; }; The existing vhost-kernel ioctl cmds are reused as the message requests in above structure. Each message will be written to or read from this region at offset 0: int vhost_vfio_write(struct vhost_dev *dev, struct vhost_vfio_op *op) { int count = VHOST_VFIO_OP_HDR_SIZE + op->size; struct vhost_vfio *vfio = dev->opaque; int ret; ret = pwrite64(vfio->device_fd, op, count, vfio->bar0_offset); if (ret != count) return -1; return 0; } int vhost_vfio_read(struc...

...; struct vhost_vring_addr addr; > struct vhost_memory memory; > } payload; > }; > > The existing vhost-kernel ioctl cmds are reused as > the message requests in above structure. > > Each message will be written to or read from this > region at offset 0: > > int vhost_vfio_write(struct vhost_dev *dev, struct vhost_vfio_op *op) > { > int count = VHOST_VFIO_OP_HDR_SIZE + op->size; > struct vhost_vfio *vfio = dev->opaque; > int ret; > > ret = pwrite64(vfio->device_fd, op, count, vfio->bar0_offset); > if (ret != count) > return -1; &...

...application (e.g in the case of container). - using PCI layout, then you don't even need to re-invent notifiy region at all and we can pass-through them to guest. Personally, I prefer vhost ioctl. > > Each message will be written to or read from this region at offset 0: > > int vhost_vfio_write(struct vhost_dev *dev, struct vhost_vfio_op *op) > { > int count = VHOST_VFIO_OP_HDR_SIZE + op->size; > struct vhost_vfio *vfio = dev->opaque; > int ret; > > ret = pwrite64(vfio->device_fd, op, count, vfio->config_offset); > if (ret != count) > return -1;...

...need reply */ __u32 size; union { __u64 u64; struct vhost_vring_state state; struct vhost_vring_addr addr; } payload; }; The existing vhost-kernel ioctl cmds are reused as the message requests in above structure. Each message will be written to or read from this region at offset 0: int vhost_vfio_write(struct vhost_dev *dev, struct vhost_vfio_op *op) { int count = VHOST_VFIO_OP_HDR_SIZE + op->size; struct vhost_vfio *vfio = dev->opaque; int ret; ret = pwrite64(vfio->device_fd, op, count, vfio->config_offset); if (ret != count) return -1; return 0; } int vhost_vfio_read(str...

...need reply */ __u32 size; union { __u64 u64; struct vhost_vring_state state; struct vhost_vring_addr addr; } payload; }; The existing vhost-kernel ioctl cmds are reused as the message requests in above structure. Each message will be written to or read from this region at offset 0: int vhost_vfio_write(struct vhost_dev *dev, struct vhost_vfio_op *op) { int count = VHOST_VFIO_OP_HDR_SIZE + op->size; struct vhost_vfio *vfio = dev->opaque; int ret; ret = pwrite64(vfio->device_fd, op, count, vfio->config_offset); if (ret != count) return -1; return 0; } int vhost_vfio_read(str...