5 files changed, 64 insertions, 2 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index d0c7f0d9e9..8e61450de3 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -355,6 +355,7 @@ struct MemoryRegion {
     bool ram;
     bool subpage;
     bool readonly; /* For RAM regions */
+    bool nonvolatile;
     bool rom_device;
     bool flush_coalesced_mmio;
     bool global_locking;
@@ -480,6 +481,7 @@ static inline FlatView *address_space_to_flatview(AddressSpace *as)
  * @offset_within_address_space: the address of the first byte of the section
  *     relative to the region's address space
  * @readonly: writes to this section are ignored
+ * @nonvolatile: this section is non-volatile
  */
 struct MemoryRegionSection {
     MemoryRegion *mr;
@@ -488,6 +490,7 @@ struct MemoryRegionSection {
     Int128 size;
     hwaddr offset_within_address_space;
     bool readonly;
+    bool nonvolatile;
 };
 
 /**
@@ -1170,6 +1173,17 @@ static inline bool memory_region_is_rom(MemoryRegion *mr)
     return mr->ram && mr->readonly;
 }
 
+/**
+ * memory_region_is_nonvolatile: check whether a memory region is non-volatile
+ *
+ * Returns %true is a memory region is non-volatile memory.
+ *
+ * @mr: the memory region being queried
+ */
+static inline bool memory_region_is_nonvolatile(MemoryRegion *mr)
+{
+    return mr->nonvolatile;
+}
 
 /**
  * memory_region_get_fd: Get a file descriptor backing a RAM memory region.
@@ -1342,6 +1356,17 @@ void memory_region_reset_dirty(MemoryRegion *mr, hwaddr addr,
 void memory_region_set_readonly(MemoryRegion *mr, bool readonly);
 
 /**
+ * memory_region_set_nonvolatile: Turn a memory region non-volatile
+ *
+ * Allows a memory region to be marked as non-volatile.
+ * only useful on RAM regions.
+ *
+ * @mr: the region being updated.
+ * @nonvolatile: whether rhe region is to be non-volatile.
+ */
+void memory_region_set_nonvolatile(MemoryRegion *mr, bool nonvolatile);
+
+/**
  * memory_region_rom_device_set_romd: enable/disable ROMD mode
  *
  * Allows a ROM device (initialized with memory_region_init_rom_device() to
diff --git a/include/hw/pci/pci_ids.h b/include/hw/pci/pci_ids.h
index 63acc722a9..eeb33018ad 100644
--- a/include/hw/pci/pci_ids.h
+++ b/include/hw/pci/pci_ids.h
@@ -255,7 +255,7 @@
 #define PCI_DEVICE_ID_INTEL_82801I_EHCI2 0x293c
 #define PCI_DEVICE_ID_INTEL_82599_SFP_VF 0x10ed
 
-#define PCI_DEVICE_ID_INTEL_Q35_MCH      0x29c0
+#define PCI_DEVICE_ID_INTEL_P35_MCH      0x29c0
 
 #define PCI_VENDOR_ID_XEN                0x5853
 #define PCI_DEVICE_ID_XEN_PLATFORM       0x0001
diff --git a/include/hw/scsi/emulation.h b/include/hw/scsi/emulation.h
new file mode 100644
index 0000000000..09fba1ff39
--- /dev/null
+++ b/include/hw/scsi/emulation.h
@@ -0,0 +1,16 @@
+#ifndef HW_SCSI_EMULATION_H
+#define HW_SCSI_EMULATION_H 1
+
+typedef struct SCSIBlockLimits {
+    bool wsnz;
+    uint16_t min_io_size;
+    uint32_t max_unmap_descr;
+    uint32_t opt_io_size;
+    uint32_t max_unmap_sectors;
+    uint32_t unmap_sectors;
+    uint32_t max_io_sectors;
+} SCSIBlockLimits;
+
+int scsi_emulate_block_limits(uint8_t *outbuf, const SCSIBlockLimits *bl);
+
+#endif
diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h
index ee3a4118fb..acef25faa4 100644
--- a/include/hw/scsi/scsi.h
+++ b/include/hw/scsi/scsi.h
@@ -189,7 +189,6 @@ void scsi_device_report_change(SCSIDevice *dev, SCSISense sense);
 void scsi_device_unit_attention_reported(SCSIDevice *dev);
 void scsi_generic_read_device_inquiry(SCSIDevice *dev);
 int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed);
-int scsi_disk_emulate_vpd_page(SCSIRequest *req, uint8_t *outbuf);
 int scsi_SG_IO_FROM_DEV(BlockBackend *blk, uint8_t *cmd, uint8_t cmd_size,
                         uint8_t *buf, uint8_t buf_size);
 SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int target, int lun);
diff --git a/include/qemu/thread.h b/include/qemu/thread.h
index b2661b6672..55d83a907c 100644
--- a/include/qemu/thread.h
+++ b/include/qemu/thread.h
@@ -162,7 +162,29 @@ void qemu_thread_exit(void *retval);
 void qemu_thread_naming(bool enable);
 
 struct Notifier;
+/**
+ * qemu_thread_atexit_add:
+ * @notifier: Notifier to add
+ *
+ * Add the specified notifier to a list which will be run via
+ * notifier_list_notify() when this thread exits (either by calling
+ * qemu_thread_exit() or by returning from its start_routine).
+ * The usual usage is that the caller passes a Notifier which is
+ * a per-thread variable; it can then use the callback to free
+ * other per-thread data.
+ *
+ * If the thread exits as part of the entire process exiting,
+ * it is unspecified whether notifiers are called or not.
+ */
 void qemu_thread_atexit_add(struct Notifier *notifier);
+/**
+ * qemu_thread_atexit_remove:
+ * @notifier: Notifier to remove
+ *
+ * Remove the specified notifier from the thread-exit notification
+ * list. It is not valid to try to remove a notifier which is not
+ * on the list.
+ */
 void qemu_thread_atexit_remove(struct Notifier *notifier);
 
 struct QemuSpin {