#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "amdgpu_drm.h"
#include "amdgpu.h"
#include "amdgpu_drm.h"

int main()
{
	struct amdgpu_bo_alloc_request req = {0};
        amdgpu_bo_handle buf_handle;
        uint64_t va1, va2;
	int fd1, fd2;
	int major_version, minor_version;
        int r;
	amdgpu_device_handle device_handle;
	amdgpu_va_handle va_handle1, va_handle2;
	

	fd1 = open("/dev/dri/card0", O_RDWR | O_CLOEXEC);

        r = amdgpu_device_initialize(fd1, &major_version,
                                  &minor_version, &device_handle);
        if (r) {
		printf("device_initialize failed\n");
		return r;
	}

        req.alloc_size = 4096;
        req.phys_alignment = 4096;
        req.preferred_heap = AMDGPU_GEM_DOMAIN_GTT;

        r = amdgpu_bo_alloc(device_handle, &req, &buf_handle);
        if (r) {
		printf("bo allocation failed\n");
		return r;
	}

        r = amdgpu_va_range_alloc(device_handle,
                                  amdgpu_gpu_va_range_general,
                                  4096, 4096, 0,
                                  &va1, &va_handle1, 0);
        if (r) {
		printf("va alloc failed\n");
                return r;
	}

        r = amdgpu_bo_va_op(buf_handle, 0, 4096, va1, 0, AMDGPU_VA_OP_MAP);
        if (r) {
		printf("va map failed\n");
		return r;
	}

	fd2 = open("/dev/dri/renderD128", O_RDWR | O_CLOEXEC);

        r = amdgpu_device_initialize(fd2, &major_version,
                                  &minor_version, &device_handle);
        if (r) {
                printf("device_initialize failed 2\n");
                return r;
        }

        req.alloc_size = 4096;
        req.phys_alignment = 4096;
        req.preferred_heap = AMDGPU_GEM_DOMAIN_GTT;

        r = amdgpu_bo_alloc(device_handle, &req, &buf_handle);
        if (r) {
                printf("bo allocation failed 2\n");
                return r;
        }

        r = amdgpu_va_range_alloc(device_handle,
                                  amdgpu_gpu_va_range_general,
                                  4096, 4096, 0,
                                  &va2, &va_handle2, 0);
        if (r) {
                printf("va alloc failed 2\n");
                return r;
        }

        r = amdgpu_bo_va_op(buf_handle, 0, 4096, va2, 0, AMDGPU_VA_OP_MAP);
        if (r) {
                printf("va map failed 2\n");
                return r;
        }
}