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/*
* Copyright © 2008 Intel Corporation
* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
*
* 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 <fcntl.h>
#include <sys/stat.h>
#include <sys/mman.h>
#ifdef HAVE_STRUCT_SYSINFO_TOTALRAM
#include <sys/sysinfo.h>
#elif defined(HAVE_SWAPCTL) /* Solaris */
#include <sys/swap.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 = (uint64_t) pagesize * npages;
#else
#error "Unknown how to get RAM size for this OS"
#endif
return retval / (1024*1024);
}
uint64_t
intel_get_total_swap_mb(void)
{
uint64_t retval;
#ifdef HAVE_STRUCT_SYSINFO_TOTALRAM /* Linux */
struct sysinfo sysinf;
int ret;
ret = sysinfo(&sysinf);
assert(ret == 0);
retval = sysinf.totalswap;
retval *= sysinf.mem_unit;
#elif defined(HAVE_SWAPCTL) /* Solaris */
long pagesize = sysconf(_SC_PAGESIZE);
uint64_t totalpages = 0;
swaptbl_t *swt;
char *buf;
int n, i;
if ((n = swapctl(SC_GETNSWP, NULL)) == -1) {
perror("swapctl: GETNSWP");
return 0;
}
if (n == 0) {
/* no error, but no swap devices either */
return 0;
}
swt = malloc(sizeof(struct swaptable) + (n * sizeof(swapent_t)));
buf = malloc(n * MAXPATHLEN);
if (!swt || !buf) {
perror("malloc");
} else {
swt->swt_n = n;
for (i = 0 ; i < n; i++) {
swt->swt_ent[i].ste_path = buf + (i * MAXPATHLEN);
}
if ((n = swapctl(SC_LIST, swt)) == -1) {
perror("swapctl: LIST");
} else {
for (i = 0; i < swt->swt_n; i++) {
totalpages += swt->swt_ent[i].ste_pages;
}
}
}
free(swt);
free(buf);
retval = (uint64_t) pagesize * totalpages;
#else
#warning "Unknown how to get swap size for this OS"
return 0;
#endif
return retval / (1024*1024);
}
/*
* When testing a port to a new platform, create a standalone test binary
* by running:
* cc -o porttest intel_drm.c -I.. -DSTANDALONE_TEST `pkg-config --cflags libdrm`
* and then running the resulting porttest program.
*/
#ifdef STANDALONE_TEST
void *mmio;
int main(int argc, char **argv)
{
printf("Total RAM: %" PRIu64 " Mb\n", intel_get_total_ram_mb());
printf("Total Swap: %" PRIu64 " Mb\n", intel_get_total_swap_mb());
return 0;
}
#endif /* STANDALONE_TEST */
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