llama.cpp/ggml/src/ggml-virtgpu/ggml-remoting.h

69 lines
2.4 KiB
C++

#pragma once
#include "ggml-backend-impl.h"
#include "ggml-backend.h"
#include "ggml-impl.h"
#include "virtgpu.h"
#include <memory>
#include <string>
// USE_ALWAYS_TRUE_SUPPORTS_OP: 1 is fast, 0 avoid micro-benchmark crashes
#define USE_ALWAYS_TRUE_SUPPORTS_OP 1
#define USE_METAL_GUEST_SUPPORTS_OP 0
#define DEV_TO_GPU(name) ((ggml_backend_remoting_device_context *) (name)->context)->gpu
#define BUFFER_TO_GGML_CONTEXT(name) ((ggml_backend_remoting_buffer_context *) (name)->context)
#define BUFFER_TO_APIR_CONTEXT(name) &((ggml_backend_remoting_buffer_context *) (name)->context)->apir_context
#define BUFFER_TO_HOST_HANDLE(name) ((ggml_backend_remoting_buffer_context *) (name)->context)->apir_context.host_handle
#define GET_DEVICE_CONTEXT() (ggml_backend_remoting_device_context *) ggml_backend_remoting_get_device(0)->context
#define BUFT_TO_GPU(name) ((ggml_backend_remoting_device_context *) (name)->device->context)->gpu
struct ggml_backend_remoting_device_context {
size_t device;
std::string name;
std::string description;
std::vector<std::tuple<void *, size_t, virtgpu_shmem *>> shared_memory;
virtgpu * gpu;
};
struct ggml_backend_remoting_buffer_context {
apir_buffer_context_t apir_context;
virtgpu * gpu;
void * base;
bool is_from_ptr;
};
extern const ggml_backend_buffer_type_i ggml_backend_remoting_buffer_type_interface;
extern const ggml_backend_device_i ggml_backend_remoting_device_interface;
extern const ggml_backend_buffer_i ggml_backend_remoting_buffer_interface;
extern const ggml_backend_buffer_type_i ggml_backend_remoting_buffer_from_ptr_type_interface;
extern const ggml_backend_buffer_i ggml_backend_remoting_buffer_from_ptr_interface;
ggml_backend_dev_t ggml_backend_remoting_get_device(size_t device);
ggml_backend_t ggml_backend_remoting_device_init(ggml_backend_dev_t dev, const char * params);
ggml_backend_buffer_type_t ggml_backend_remoting_device_get_buffer_type(ggml_backend_dev_t dev);
static inline apir_buffer_type_host_handle_t ggml_buffer_type_to_apir_handle(ggml_backend_buffer_type_t buft) {
// in the backend, the buffer handle is the buffer pointer
return (apir_buffer_type_host_handle_t) buft->context;
}
static inline apir_buffer_host_handle_t ggml_buffer_to_apir_handle(ggml_backend_buffer_t buffer) {
if (!buffer->context) {
GGML_ABORT("%s: no context available :/", __func__);
}
return BUFFER_TO_HOST_HANDLE(buffer);
}