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/*
* Copyright © 2008 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*
*/
#include "config.h"
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <err.h>
#include <assert.h>
#include <sys/ioctl.h>
#include <sys/fcntl.h>
#include <sys/stat.h>
#include <sys/mman.h>
#ifdef HAVE_STRUCT_SYSINFO_TOTALRAM
#include <sys/sysinfo.h>
#endif
#include "intel_gpu_tools.h"
#include "i915_drm.h"
uint32_t
intel_get_drm_devid(int fd)
{
int ret;
struct drm_i915_getparam gp;
uint32_t devid;
gp.param = I915_PARAM_CHIPSET_ID;
gp.value = (int *)&devid;
ret = ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp, sizeof(gp));
assert(ret == 0);
return devid;
}
int intel_gen(uint32_t devid)
{
if (IS_GEN2(devid))
return 2;
if (IS_GEN3(devid))
return 3;
if (IS_GEN4(devid))
return 4;
if (IS_GEN5(devid))
return 5;
if (IS_GEN6(devid))
return 6;
if (IS_GEN7(devid))
return 7;
return -1;
}
uint64_t
intel_get_total_ram_mb(void)
{
uint64_t retval;
#ifdef HAVE_STRUCT_SYSINFO_TOTALRAM /* Linux */
struct sysinfo sysinf;
int ret;
ret = sysinfo(&sysinf);
assert(ret == 0);
retval = sysinf.totalram;
retval *= sysinf.mem_unit;
#elif defined(_SC_PAGESIZE) && defined(_SC_PHYS_PAGES) /* Solaris */
long pagesize, npages;
pagesize = sysconf(_SC_PAGESIZE);
npages = sysconf(_SC_PHYS_PAGES);
retval = pagesize * npages;
#else
#error "Unknown how to get RAM size for this OS"
#endif
return retval / (1024*1024);
}
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