Changeset 82989 in vbox for trunk/include/VBox

Timestamp:

Feb 5, 2020 11:16:44 AM (5 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

136000

Message:

VMM/GMMR0: Added a per-VM chunk TLB to avoid having everyone hammer the global spinlock. bugref:9627

Location:

trunk/include/VBox/vmm

Files:

• gmm.h (modified) (2 diffs)
• gvm.h (modified) (2 diffs)
• gvmm.h (modified) (2 diffs)

trunk/include/VBox/vmm/gmm.h

@@ -386 +386 @@
     /** The number of shareable modules (GMM:cShareableModules). */
     uint64_t            cShareableModules;
+    /** The current chunk freeing generation use by the per-VM TLB validation (GMM::idFreeGeneration). */
+    uint64_t            idFreeGeneration;
     /** Space reserved for later. */
-    uint64_t            au64Reserved[2];
+    uint64_t            au64Reserved[1];
 
     /** Statistics for the specified VM. (Zero filled if not requested.) */
@@ -400 +402 @@
 GMMR0DECL(int)  GMMR0Init(void);
 GMMR0DECL(void) GMMR0Term(void);
-GMMR0DECL(void) GMMR0InitPerVMData(PGVM pGVM);
+GMMR0DECL(int)  GMMR0InitPerVMData(PGVM pGVM);
 GMMR0DECL(void) GMMR0CleanupVM(PGVM pGVM);
 GMMR0DECL(int)  GMMR0InitialReservation(PGVM pGVM, VMCPUID idCpu, uint64_t cBasePages, uint32_t cShadowPages, uint32_t cFixedPages,

trunk/include/VBox/vmm/gvm.h

@@ -174 +174 @@
         struct GMMPERVM     s;
 #endif
-        uint8_t             padding[512];
+        uint8_t             padding[1024];
     } gmm;
 
@@ -231 +231 @@
     /** Padding so aCpus starts on a page boundrary.  */
 #ifdef VBOX_WITH_NEM_R0
-    uint8_t         abPadding2[4096*2 - 64 - 256 - 512 - 256 - 64 - 1792 - 640 - 512 - 64 - sizeof(PGVMCPU) * VMM_MAX_CPU_COUNT];
-#else
-    uint8_t         abPadding2[4096*2 - 64 - 256 - 512       - 64 - 1792 - 640 - 512 - 64 - sizeof(PGVMCPU) * VMM_MAX_CPU_COUNT];
+    uint8_t         abPadding2[4096*2 - 64 - 256 - 1024 - 256 - 64 - 1792 - 640 - 512 - 64 - sizeof(PGVMCPU) * VMM_MAX_CPU_COUNT];
+#else
+    uint8_t         abPadding2[4096*2 - 64 - 256 - 1024       - 64 - 1792 - 640 - 512 - 64 - sizeof(PGVMCPU) * VMM_MAX_CPU_COUNT];
 #endif
 

trunk/include/VBox/vmm/gvmm.h

@@ -155 +155 @@
 typedef const GVMMSTATS *PCGVMMSTATS;
 
+/**
+ * Per-VM callback for GVMMR0EnumVMs.
+ *
+ * @note This is called while holding the VM used list lock, so only suitable
+ *       for quick and simple jobs!
+ *
+ * @returns VINF_SUCCESS to continue the enumeration, anything stops it and
+ *          returns the status code.
+ * @param   pGVM        The VM
+ * @param   pvUser      The user parameter.
+ *  */
+typedef DECLCALLBACK(int) FNGVMMR0ENUMCALLBACK(PGVM pGVM, void *pvUser);
+/** Pointer to an VM enumeration callback function. */
+typedef FNGVMMR0ENUMCALLBACK *PFNGVMMR0ENUMCALLBACK;
 
 
@@ -185 +199 @@
 GVMMR0DECL(int)     GVMMR0SchedPoll(PGVM pGVM, VMCPUID idCpu, bool fYield);
 GVMMR0DECL(void)    GVMMR0SchedUpdatePeriodicPreemptionTimer(PGVM pGVM, RTCPUID idHostCpu, uint32_t uHz);
+GVMMR0DECL(int)     GVMMR0EnumVMs(PFNGVMMR0ENUMCALLBACK pfnCallback, void *pvUser);
 GVMMR0DECL(int)     GVMMR0QueryStatistics(PGVMMSTATS pStats, PSUPDRVSESSION pSession, PGVM pGVM);
 GVMMR0DECL(int)     GVMMR0ResetStatistics(PCGVMMSTATS pStats, PSUPDRVSESSION pSession, PGVM pGVM);