[igt-dev] [PATCH i-g-t 25/29] lib/intel_os: Implement get_avail_ram and get_total_swap for FreeBSD

[D Scott Phillips <d.scott.phillips@intel.com>]

FreeBSD provides these values through sysctl.

Signed-off-by: D Scott Phillips <d.scott.phillips@intel.com>
---
 lib/intel_os.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/lib/intel_os.c b/lib/intel_os.c
index 8458d39a..d476e9bc 100644
--- a/lib/intel_os.c
+++ b/lib/intel_os.c
@@ -44,6 +44,8 @@
 #include <sys/sysinfo.h>
 #elif defined(HAVE_SWAPCTL) /* Solaris */
 #include <sys/swap.h>
+#elif defined(__FreeBSD__)
+#include <sys/sysctl.h>
 #endif
 #include <sys/resource.h>
 
@@ -148,6 +150,14 @@ intel_get_avail_ram_mb(void)
         npages = sysconf(_SC_AVPHYS_PAGES);
 
 	retval = (uint64_t) pagesize * npages;
+#elif defined(__FreeBSD__)
+	int hw_physmem[] = {CTL_HW, HW_PHYSMEM};
+	size_t size = sizeof(retval);
+	int ret;
+	ret = sysctl(hw_physmem, ARRAY_SIZE(hw_physmem), &retval, &size, NULL,
+		     0);
+	if (ret != 0 || size != sizeof(retval))
+		retval = 0;
 #else
 #error "Unknown how to get available RAM for this OS"
 #endif
@@ -210,6 +220,12 @@ intel_get_total_swap_mb(void)
 	free(buf);
 
 	retval = (uint64_t) pagesize * totalpages;
+#elif defined(__FreeBSD__)
+	size_t size = sizeof(retval);
+	int ret;
+	ret = sysctlbyname("vm.swap_total", &retval, &size, NULL, 0);
+	if (ret != 0 || size != sizeof(retval))
+		retval = 0;
 #else
 #warning "Unknown how to get swap size for this OS"
 	return 0;
-- 
2.23.0

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