Changeset 108864 in vbox for trunk/include

Timestamp:

Apr 7, 2025 9:10:44 AM (2 weeks ago)

Author:

vboxsync

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

168314

Message:

VMM/GIC: bugref:10877 GIC ITS command-queue, work-in-progress.

File:

• trunk/include/VBox/gic-its.h (modified) (4 diffs)

trunk/include/VBox/gic-its.h

@@ -45 +45 @@
 /** Size of the ITS register frame. */
 #define GITS_REG_FRAME_SIZE                                     _64K
+
+/** The GITS command queue page size. */
+#define GITS_CMD_QUEUE_PAGE_SIZE                                0x1000
+/** The GITS command queue page offset mask. */
+#define GITS_CMD_QUEUE_PAGE_OFFSET_MASK                         0xfff
+/** The guest page shift (x86). */
+#define GITS_CMD_QUEUE_PAGE_SHIFT                               12
 
 /** GITS_CTLR: Control register - RW. */
@@ -228 +235 @@
                             (SIZE, RSVD_9_8, SHAREABILITY, PHYS_ADDR, RSVD_52, OUTER_CACHE, RSVD_58_56, INNER_CACHE, RSVD_62,
                              VALID));
+/** GITS_CBASER: Physical address bits [15:12] are reserved MBZ. */
+#define GITS_CTRL_REG_CBASER_PHYS_ADDR_RSVD_15_12_MASK          UINT64_C(0x000000000000f000)
 /** GITS_CBASER: Mask of valid read-write bits. */
 #define GITS_CTRL_REG_CBASER_RW_MASK                            (UINT64_MAX & ~(GITS_BF_CTRL_REG_CBASER_RSVD_9_8_MASK   | \
                                                                                 GITS_BF_CTRL_REG_CBASER_RSVD_52_MASK    | \
                                                                                 GITS_BF_CTRL_REG_CBASER_RSVD_58_56_MASK | \
-                                                                                GITS_BF_CTRL_REG_CBASER_RSVD_62_MASK))
+                                                                                GITS_BF_CTRL_REG_CBASER_RSVD_62_MASK    | \
+                                                                                GITS_CTRL_REG_CBASER_PHYS_ADDR_RSVD_15_12_MASK))
 
 /** GITS_CWRITER: ITS command queue write register - RW. */
@@ -370 +380 @@
 } GITSMEMATTR;
 
-
 /**
- * The ITS entry type.
+ * ITS entry type.
  * In accordance to the ARM GIC spec.
  */
@@ -383 +392 @@
 } GITSITSTYPE;
 
+/** GITS command size in bytes.  */
+#define GITS_CMD_SIZE                                           32
+
+/**
+ * ITS command.
+ * In accordance to the ARM GIC spec.
+ */
+typedef union GITSCMD
+{
+    RTUINT64U au64[4];
+    struct
+    {
+        uint8_t         uCmdId;
+        uint8_t         au8Rsvd[3];
+        uint32_t        uDeviceId;
+
+        uint32_t        uEventId;
+        uint32_t        u32Rsvd;
+
+        uint64_t        au64Rsvd[2];
+    } clear;
+} GITSCMD;
+/** Pointer to an ITS command. */
+typedef GITSCMD *PGITSCMD;
+/** Pointer to a const ITS command. */
+typedef GITSCMD const *PCGITSCMD;
+
+
 #endif /* !VBOX_INCLUDED_gic_its_h */