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| author | Bryan Venteicher <bryanv@FreeBSD.org> | 2021-01-19 04:55:23 +0000 |
|---|---|---|
| committer | Bryan Venteicher <bryanv@FreeBSD.org> | 2021-01-19 04:55:23 +0000 |
| commit | 9da9560c4dd3556519cd391a04f0db157dc3c295 (patch) | |
| tree | 3b0683487a19826301aae9fdf70ede862337e37d /sys/dev/virtio/virtio.h | |
| parent | 1cd1ed3f5dd50ca070908468a3816f570448427b (diff) | |
| download | src-9da9560c4dd3556519cd391a04f0db157dc3c295.tar.gz src-9da9560c4dd3556519cd391a04f0db157dc3c295.zip | |
Diffstat (limited to 'sys/dev/virtio/virtio.h')
| -rw-r--r-- | sys/dev/virtio/virtio.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/dev/virtio/virtio.h b/sys/dev/virtio/virtio.h index 6628b3765bcd..85160eb18d0d 100644 --- a/sys/dev/virtio/virtio.h +++ b/sys/dev/virtio/virtio.h @@ -31,6 +31,7 @@ #ifndef _VIRTIO_H_ #define _VIRTIO_H_ +#include <dev/virtio/virtio_endian.h> #include <dev/virtio/virtio_ids.h> #include <dev/virtio/virtio_config.h> @@ -57,6 +58,7 @@ struct vq_alloc_info; #define VIRTIO_IVAR_DEVICE 4 #define VIRTIO_IVAR_SUBVENDOR 5 #define VIRTIO_IVAR_SUBDEVICE 6 +#define VIRTIO_IVAR_MODERN 7 struct virtio_feature_desc { uint64_t vfd_val; @@ -81,6 +83,10 @@ struct virtio_pnp_match { const char *virtio_device_name(uint16_t devid); void virtio_describe(device_t dev, const char *msg, uint64_t features, struct virtio_feature_desc *feature_desc); +uint64_t virtio_filter_transport_features(uint64_t features); +int virtio_bus_is_modern(device_t dev); +void virtio_read_device_config_array(device_t dev, bus_size_t offset, + void *dst, int size, int count); /* * VirtIO Bus Methods. @@ -88,6 +94,7 @@ void virtio_describe(device_t dev, const char *msg, void virtio_read_ivar(device_t dev, int ivar, uintptr_t *val); void virtio_write_ivar(device_t dev, int ivar, uintptr_t val); uint64_t virtio_negotiate_features(device_t dev, uint64_t child_features); +int virtio_finalize_features(device_t dev); int virtio_alloc_virtqueues(device_t dev, int flags, int nvqs, struct vq_alloc_info *info); int virtio_setup_intr(device_t dev, enum intr_type type); @@ -147,6 +154,7 @@ VIRTIO_READ_IVAR(vendor, VIRTIO_IVAR_VENDOR); VIRTIO_READ_IVAR(device, VIRTIO_IVAR_DEVICE); VIRTIO_READ_IVAR(subvendor, VIRTIO_IVAR_SUBVENDOR); VIRTIO_READ_IVAR(subdevice, VIRTIO_IVAR_SUBDEVICE); +VIRTIO_READ_IVAR(modern, VIRTIO_IVAR_MODERN); #undef VIRTIO_READ_IVAR |