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#ifndef VIRGL_HW_H
#define VIRGL_HW_H
#include <linux/virtio.h>
#include <linux/virtio_ring.h>
typedef uint64_t VIRGLPHYSICAL;
/* specification for the HW command processor */
struct virgl_box {
uint32_t x, y, z;
uint32_t w, h, d;
};
enum virgl_cmd_type {
VIRGL_CMD_NOP,
VIRGL_CMD_CREATE_CONTEXT,
VIRGL_CMD_CREATE_RESOURCE,
VIRGL_CMD_SUBMIT,
VIRGL_DESTROY_CONTEXT,
VIRGL_TRANSFER_GET,
VIRGL_TRANSFER_PUT,
VIRGL_SET_SCANOUT,
VIRGL_FLUSH_BUFFER,
VIRGL_RESOURCE_UNREF,
VIRGL_CMD_ATTACH_RES_CTX,
VIRGL_CMD_DETACH_RES_CTX,
};
/* put a box of data from a BO into a tex/buffer resource */
struct virgl_transfer_put {
VIRGLPHYSICAL data;
uint32_t res_handle;
struct virgl_box dst_box; /* dst box */
uint32_t dst_level;
uint32_t src_stride;
uint32_t ctx_id;
};
struct virgl_transfer_get {
VIRGLPHYSICAL data;
uint32_t res_handle;
struct virgl_box box;
int level;
uint32_t dst_stride;
uint32_t ctx_id;
};
struct virgl_flush_buffer {
uint32_t res_handle;
uint32_t ctx_id;
struct virgl_box box;
};
struct virgl_set_scanout {
uint32_t res_handle;
uint32_t ctx_id;
struct virgl_box box;
};
struct virgl_resource_create {
uint32_t handle;
uint32_t target;
uint32_t format;
uint32_t bind;
uint32_t width;
uint32_t height;
uint32_t depth;
uint32_t array_size;
uint32_t last_level;
uint32_t nr_samples;
uint32_t pad;
};
struct virgl_resource_unref {
uint32_t res_handle;
};
struct virgl_cmd_submit {
uint64_t phy_addr;
uint32_t size;
uint32_t ctx_id;
};
struct virgl_cmd_context {
uint32_t handle;
uint32_t pad;
};
struct virgl_cmd_resource_context {
uint32_t res_handle;
uint32_t ctx_id;
};
#define VIRGL_COMMAND_EMIT_FENCE (1 << 0)
struct virgl_command {
uint32_t type;
uint32_t flags;
uint64_t fence_id;
union virgl_cmds {
struct virgl_cmd_context ctx;
struct virgl_resource_create res_create;
struct virgl_transfer_put transfer_put;
struct virgl_transfer_get transfer_get;
struct virgl_cmd_submit cmd_submit;
struct virgl_set_scanout set_scanout;
struct virgl_flush_buffer flush_buffer;
struct virgl_resource_unref res_unref;
struct virgl_cmd_resource_context res_ctx;
} u;
};
#endif
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