Changeset e12ccc5 in mainline for kernel/arch/xen32/include/hypercall.h

Timestamp:

2006-08-01T17:27:11Z (18 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

0fbfa0d

Parents:

e386cbf

Message:

xen32: use writable page tables, cleanup mm

File:

• kernel/arch/xen32/include/hypercall.h (modified) (3 diffs)

kernel/arch/xen32/include/hypercall.h

@@ -36 +36 @@
 typedef uint16_t domid_t;
 
-typedef struct {
-    uint64_t ptr;  /**< Machine address of PTE */
-    uint64_t val;  /**< New contents of PTE */
-} mmu_update_t;
-
-typedef struct {
-    unsigned int cmd;
-    union {
-        unsigned long mfn;
-        unsigned long linear_addr;
-    } arg1;
-    union {
-        unsigned int nr_ents;
-        void *vcpumask;
-    } arg2;
-} mmuext_op_t;
-
-
-#define XEN_MMU_UPDATE  1
-#define XEN_CONSOLE_IO  18
-#define XEN_MMUEXT_OP   26
+
+#define XEN_MMU_UPDATE                  1
+#define XEN_UPDATE_VA_MAPPING   14
+#define XEN_CONSOLE_IO                  18
+#define XEN_VM_ASSIST                   21
+#define XEN_MMUEXT_OP                   26
 
 
@@ -83 +68 @@
 
 
+#define UVMF_NONE                               0        /**< No flushing at all */
+#define UVMF_TLB_FLUSH                  1        /**< Flush entire TLB(s) */
+#define UVMF_INVLPG                             2        /**< Flush only one entry */
+#define UVMF_FLUSHTYPE_MASK             3
+#define UVMF_MULTI                              0        /**< Flush subset of TLBs */
+#define UVMF_LOCAL                              0        /**< Flush local TLB */
+#define UVMF_ALL                                (1 << 2) /**< Flush all TLBs */
+
+
+/*
+ * Commands to XEN_VM_ASSIST
+ */
+#define VMASST_CMD_ENABLE                               0
+#define VMASST_CMD_DISABLE                              1
+#define VMASST_TYPE_4GB_SEGMENTS                0
+#define VMASST_TYPE_4GB_SEGMENTS_NOTIFY 1
+#define VMASST_TYPE_WRITABLE_PAGETABLES 2
+
+
 #define DOMID_SELF (0x7FF0U)
 #define DOMID_IO   (0x7FF1U)
@@ -190 +194 @@
 }
 
-static inline int xen_mmu_update(const mmu_update_t *req, const unsigned int count, unsigned int *success_count, domid_t domid)
+static inline int xen_vm_assist(const unsigned int cmd, const unsigned int type)
 {
-        return hypercall4(XEN_MMU_UPDATE, req, count, success_count, domid);
+    return hypercall2(XEN_VM_ASSIST, cmd, type);
 }
 
-static inline int xen_mmuext_op(const mmuext_op_t *op, const unsigned int count, unsigned int *success_count, domid_t domid)
-{
-        return hypercall4(XEN_MMUEXT_OP, op, count, success_count, domid);
-}
-
 #endif