Changeset 87371 in vbox for trunk/include/VBox

Timestamp:

Jan 22, 2021 2:42:17 PM (4 years ago)

Author:

vboxsync

Message:

AMD IOMMU: bugref:9654 Handle the case where an access might result in non-contiguous physical addresses after address translation via the IOMMU.

File:

• trunk/include/VBox/vmm/pdmdev.h (modified) (6 diffs)

trunk/include/VBox/vmm/pdmdev.h

@@ -1283 +1283 @@
      *
      * @returns VBox status code.
-     * @param   pDevIns     The IOMMU device instance.
-     * @param   uDevId      The device identifier (bus, device, function).
-     * @param   uIova       The I/O virtual address being accessed.
-     * @param   cbAccess    The number of bytes being accessed.
-     * @param   fFlags      Access flags, see PDMIOMMU_MEM_F_XXX.
-     * @param   pGCPhysSpa  Where to store the translated system physical address.
+     * @param   pDevIns         The IOMMU device instance.
+     * @param   uDevId          The device identifier (bus, device, function).
+     * @param   uIova           The I/O virtual address being accessed.
+     * @param   cbAccess        The number of bytes being accessed.
+     * @param   fFlags          Access flags, see PDMIOMMU_MEM_F_XXX.
+     * @param   pGCPhysSpa      Where to store the translated system physical address.
+     * @param   pcbContiguous   Where to store the number of contiguous bytes translated
+     *                          and permission-checked.
      *
      * @thread  Any.
      */
     DECLR0CALLBACKMEMBER(int, pfnMemAccess,(PPDMDEVINS pDevIns, uint16_t uDevId, uint64_t uIova, size_t cbAccess,
-                                            uint32_t fFlags, PRTGCPHYS pGCPhysSpa));
+                                            uint32_t fFlags, PRTGCPHYS pGCPhysSpa, size_t *pcbContiguous));
 
     /**
@@ -1333 +1335 @@
 
 /** Current PDMIOMMUREG version number. */
-#define PDM_IOMMUREGR0_VERSION                      PDM_VERSION_MAKE(0xff10, 2, 0)
+#define PDM_IOMMUREGR0_VERSION                      PDM_VERSION_MAKE(0xff10, 3, 0)
 
 
@@ -1351 +1353 @@
      *
      * @returns VBox status code.
-     * @param   pDevIns     The IOMMU device instance.
-     * @param   uDevId      The device identifier (bus, device, function).
-     * @param   uIova       The I/O virtual address being accessed.
-     * @param   cbAccess    The number of bytes being accessed.
-     * @param   fFlags      Access flags, see PDMIOMMU_MEM_F_XXX.
-     * @param   pGCPhysSpa  Where to store the translated system physical address.
+     * @param   pDevIns         The IOMMU device instance.
+     * @param   uDevId          The device identifier (bus, device, function).
+     * @param   uIova           The I/O virtual address being accessed.
+     * @param   cbAccess        The number of bytes being accessed.
+     * @param   fFlags          Access flags, see PDMIOMMU_MEM_F_XXX.
+     * @param   pGCPhysSpa      Where to store the translated system physical address.
+     * @param   pcbContiguous   Where to store the number of contiguous bytes translated
+     *                          and permission-checked.
      *
      * @thread  Any.
      */
     DECLRCCALLBACKMEMBER(int, pfnMemAccess,(PPDMDEVINS pDevIns, uint16_t uDevId, uint64_t uIova, size_t cbAccess,
-                                            uint32_t fFlags, PRTGCPHYS pGCPhysSpa));
+                                            uint32_t fFlags, PRTGCPHYS pGCPhysSpa, size_t *pcbContiguous));
 
     /**
@@ -1401 +1405 @@
 
 /** Current PDMIOMMUREG version number. */
-#define PDM_IOMMUREGRC_VERSION                      PDM_VERSION_MAKE(0xff11, 2, 0)
+#define PDM_IOMMUREGRC_VERSION                      PDM_VERSION_MAKE(0xff11, 3, 0)
 
 
@@ -1419 +1423 @@
      *
      * @returns VBox status code.
-     * @param   pDevIns     The IOMMU device instance.
-     * @param   uDevId      The device identifier (bus, device, function).
-     * @param   uIova       The I/O virtual address being accessed.
-     * @param   cbAccess    The number of bytes being accessed.
-     * @param   fFlags      Access flags, see PDMIOMMU_MEM_F_XXX.
-     * @param   pGCPhysSpa  Where to store the translated system physical address.
+     * @param   pDevIns         The IOMMU device instance.
+     * @param   uDevId          The device identifier (bus, device, function).
+     * @param   uIova           The I/O virtual address being accessed.
+     * @param   cbAccess        The number of bytes being accessed.
+     * @param   fFlags          Access flags, see PDMIOMMU_MEM_F_XXX.
+     * @param   pGCPhysSpa      Where to store the translated system physical address.
+     * @param   pcbContiguous   Where to store the number of contiguous bytes translated
+     *                          and permission-checked.
      *
      * @thread  Any.
      */
     DECLR3CALLBACKMEMBER(int, pfnMemAccess,(PPDMDEVINS pDevIns, uint16_t uDevId, uint64_t uIova, size_t cbAccess,
-                                            uint32_t fFlags, PRTGCPHYS pGCPhysSpa));
+                                            uint32_t fFlags, PRTGCPHYS pGCPhysSpa, size_t *pcbContiguous));
 
     /**
@@ -1469 +1475 @@
 
 /** Current PDMIOMMUREG version number. */
-#define PDM_IOMMUREGR3_VERSION                      PDM_VERSION_MAKE(0xff12, 2, 0)
+#define PDM_IOMMUREGR3_VERSION                      PDM_VERSION_MAKE(0xff12, 3, 0)
 
 /** IOMMU registration structure for the current context. */