freebsd-ports/emulators/open-vm-tools/files/patch-modules_freebsd_vmmemctl_os.c
Josh Paetzel dd74544a2b Update to 10.1.10
Improvements include:

  - Improved OS detection and reporting for FreeBSD 11 and 12.
  - Improved networking resume for DHCP FreeBSD guests.
  - Check for Xen, VirtualPC etc., only if VMware not detected.
  - Improve timesync when the offset is large.

Full changelog is available at:
https://github.com/vmware/open-vm-tools/blob/master/open-vm-tools/ChangeLog

PR:	221194
2017-08-29 16:43:48 +00:00

112 lines
3 KiB
C

--- modules/freebsd/vmmemctl/os.c.orig 2017-07-28 21:59:15 UTC
+++ modules/freebsd/vmmemctl/os.c
@@ -37,9 +37,11 @@
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
+#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/conf.h>
+#include <sys/rwlock.h>
#include <sys/sysctl.h>
#include <vm/vm.h>
@@ -83,6 +85,30 @@ typedef struct {
MALLOC_DEFINE(M_VMMEMCTL, BALLOON_NAME, "vmmemctl metadata");
/*
+ * FreeBSD version specific MACROS
+ */
+#if __FreeBSD_version >= 900000
+ #define VM_PAGE_LOCK(page) vm_page_lock(page);
+ #define VM_PAGE_UNLOCK(page) vm_page_unlock(page)
+#else
+ #define VM_PAGE_LOCK(page) vm_page_lock_queues()
+ #define VM_PAGE_UNLOCK(page) vm_page_unlock_queues()
+#endif
+
+#if __FreeBSD_version > 1000029
+ #define VM_OBJ_LOCK(object) VM_OBJECT_WLOCK(object)
+ #define VM_OBJ_UNLOCK(object) VM_OBJECT_WUNLOCK(object);
+#else
+ #define VM_OBJ_LOCK(object) VM_OBJECT_LOCK(object);
+ #define VM_OBJ_UNLOCK(object) VM_OBJECT_UNLOCK(object);
+#endif
+
+#if __FreeBSD_version < 1100015
+ #define VM_SYS_PAGES cnt.v_page_count
+#else
+ #define VM_SYS_PAGES vm_cnt.v_page_count
+#endif
+/*
* Globals
*/
@@ -223,7 +249,7 @@ static __inline__ unsigned long os_ffz(unsigned long w
unsigned long
OS_ReservedPageGetLimit(void)
{
- return cnt.v_page_count;
+ return VM_SYS_PAGES;
}
@@ -369,7 +395,7 @@ static void
os_pmap_alloc(os_pmap *p) // IN
{
/* number of pages (div. 8) */
- p->size = (cnt.v_page_count + 7) / 8;
+ p->size = (VM_SYS_PAGES + 7) / 8;
/*
* expand to nearest word boundary
@@ -466,12 +492,14 @@ os_kmem_free(vm_page_t page) // IN
os_state *state = &global_state;
os_pmap *pmap = &state->pmap;
- if ( !vm_page_lookup(state->vmobject, page->pindex) ) {
- return;
+ VM_OBJ_LOCK(state->vmobject);
+ if ( vm_page_lookup(state->vmobject, page->pindex) ) {
+ os_pmap_putindex(pmap, page->pindex);
+ VM_PAGE_LOCK(page);
+ vm_page_free(page);
+ VM_PAGE_UNLOCK(page);
}
-
- os_pmap_putindex(pmap, page->pindex);
- vm_page_free(page);
+ VM_OBJ_UNLOCK(state->vmobject);
}
@@ -483,8 +511,11 @@ os_kmem_alloc(int alloc_normal_failed) // IN
os_state *state = &global_state;
os_pmap *pmap = &state->pmap;
+ VM_OBJ_LOCK(state->vmobject);
+
pindex = os_pmap_getindex(pmap);
if (pindex == (vm_pindex_t)-1) {
+ VM_OBJ_UNLOCK(state->vmobject);
return NULL;
}
@@ -505,6 +536,7 @@ os_kmem_alloc(int alloc_normal_failed) // IN
if (!page) {
os_pmap_putindex(pmap, pindex);
}
+ VM_OBJ_UNLOCK(state->vmobject);
return page;
}
@@ -847,7 +879,7 @@ vmmemctl_sysctl(SYSCTL_HANDLER_ARGS)
static void
vmmemctl_init_sysctl(void)
{
- oid = sysctl_add_oid(NULL, SYSCTL_STATIC_CHILDREN(_vm), OID_AUTO,
+ oid = SYSCTL_ADD_OID(NULL, SYSCTL_STATIC_CHILDREN(_vm), OID_AUTO,
BALLOON_NAME, CTLTYPE_STRING | CTLFLAG_RD,
0, 0, vmmemctl_sysctl, "A",
BALLOON_NAME_VERBOSE);