13 files changed, 58 insertions, 14 deletions

diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index d85e610e85..350c4b451b 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -339,6 +339,12 @@ static inline void *probe_write(CPUArchState *env, target_ulong addr, int size,
     return probe_access(env, addr, size, MMU_DATA_STORE, mmu_idx, retaddr);
 }
 
+static inline void *probe_read(CPUArchState *env, target_ulong addr, int size,
+                               int mmu_idx, uintptr_t retaddr)
+{
+    return probe_access(env, addr, size, MMU_DATA_LOAD, mmu_idx, retaddr);
+}
+
 #define CODE_GEN_ALIGN           16 /* must be >= of the size of a icache line */
 
 /* Estimated block size for TB allocation.  */
diff --git a/include/exec/memory.h b/include/exec/memory.h
index e499dc215b..27a84e0cc3 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1265,6 +1265,12 @@ void *memory_region_get_ram_ptr(MemoryRegion *mr);
  */
 void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize,
                               Error **errp);
+/**
+ * memory_region_do_writeback: Trigger writeback for selected address range
+ * [addr, addr + size]
+ *
+ */
+void memory_region_do_writeback(MemoryRegion *mr, hwaddr addr, hwaddr size);
 
 /**
  * memory_region_set_log: Turn dirty logging on or off for a region.
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index bed0554f4d..5adebb0bc7 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -174,6 +174,14 @@ void qemu_ram_free(RAMBlock *block);
 
 int qemu_ram_resize(RAMBlock *block, ram_addr_t newsize, Error **errp);
 
+void qemu_ram_writeback(RAMBlock *block, ram_addr_t start, ram_addr_t length);
+
+/* Clear whole block of mem */
+static inline void qemu_ram_block_writeback(RAMBlock *block)
+{
+    qemu_ram_writeback(block, 0, block->used_length);
+}
+
 #define DIRTY_CLIENTS_ALL     ((1 << DIRTY_MEMORY_NUM) - 1)
 #define DIRTY_CLIENTS_NOCODE  (DIRTY_CLIENTS_ALL & ~(1 << DIRTY_MEMORY_CODE))
 
diff --git a/include/hw/arm/aspeed.h b/include/hw/arm/aspeed.h
index f49bc7081e..4423cd0cda 100644
--- a/include/hw/arm/aspeed.h
+++ b/include/hw/arm/aspeed.h
@@ -13,19 +13,6 @@
 
 typedef struct AspeedBoardState AspeedBoardState;
 
-typedef struct AspeedBoardConfig {
-    const char *name;
-    const char *desc;
-    const char *soc_name;
-    uint32_t hw_strap1;
-    uint32_t hw_strap2;
-    const char *fmc_model;
-    const char *spi_model;
-    uint32_t num_cs;
-    void (*i2c_init)(AspeedBoardState *bmc);
-    uint32_t ram;
-} AspeedBoardConfig;
-
 #define TYPE_ASPEED_MACHINE       MACHINE_TYPE_NAME("aspeed")
 #define ASPEED_MACHINE(obj) \
     OBJECT_CHECK(AspeedMachine, (obj), TYPE_ASPEED_MACHINE)
@@ -41,7 +28,16 @@ typedef struct AspeedMachine {
 
 typedef struct AspeedMachineClass {
     MachineClass parent_obj;
-    const AspeedBoardConfig *board;
+
+    const char *name;
+    const char *desc;
+    const char *soc_name;
+    uint32_t hw_strap1;
+    uint32_t hw_strap2;
+    const char *fmc_model;
+    const char *spi_model;
+    uint32_t num_cs;
+    void (*i2c_init)(AspeedBoardState *bmc);
 } AspeedMachineClass;
 
 
diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h
index 495c08be1b..e84380984f 100644
--- a/include/hw/arm/aspeed_soc.h
+++ b/include/hw/arm/aspeed_soc.h
@@ -40,6 +40,7 @@ typedef struct AspeedSoCState {
     ARMCPU cpu[ASPEED_CPUS_NUM];
     uint32_t num_cpus;
     A15MPPrivState     a7mpcore;
+    MemoryRegion *dram_mr;
     MemoryRegion sram;
     AspeedVICState vic;
     AspeedRtcState rtc;
diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h
index 0b41083e9d..38f0c33c77 100644
--- a/include/hw/arm/virt.h
+++ b/include/hw/arm/virt.h
@@ -136,6 +136,7 @@ typedef struct {
     uint32_t iommu_phandle;
     int psci_conduit;
     hwaddr highest_gpa;
+    DeviceState *gic;
     DeviceState *acpi_dev;
     Notifier powerdown_notifier;
 } VirtMachineState;
diff --git a/include/hw/boards.h b/include/hw/boards.h
index de45087f34..24cbeecbae 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -329,6 +329,9 @@ struct MachineState {
     } \
     type_init(machine_initfn##_register_types)
 
+extern GlobalProperty hw_compat_4_2[];
+extern const size_t hw_compat_4_2_len;
+
 extern GlobalProperty hw_compat_4_1[];
 extern const size_t hw_compat_4_1_len;
 
diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h
index 13e0105918..f1b9e5bf91 100644
--- a/include/hw/i2c/aspeed_i2c.h
+++ b/include/hw/i2c/aspeed_i2c.h
@@ -32,6 +32,7 @@
     OBJECT_CHECK(AspeedI2CState, (obj), TYPE_ASPEED_I2C)
 
 #define ASPEED_I2C_NR_BUSSES 16
+#define ASPEED_I2C_MAX_POOL_SIZE 0x800
 
 struct AspeedI2CState;
 
@@ -50,6 +51,9 @@ typedef struct AspeedI2CBus {
     uint32_t intr_status;
     uint32_t cmd;
     uint32_t buf;
+    uint32_t pool_ctrl;
+    uint32_t dma_addr;
+    uint32_t dma_len;
 } AspeedI2CBus;
 
 typedef struct AspeedI2CState {
@@ -59,8 +63,13 @@ typedef struct AspeedI2CState {
     qemu_irq irq;
 
     uint32_t intr_status;
+    uint32_t ctrl_global;
+    MemoryRegion pool_iomem;
+    uint8_t pool[ASPEED_I2C_MAX_POOL_SIZE];
 
     AspeedI2CBus busses[ASPEED_I2C_NR_BUSSES];
+    MemoryRegion *dram_mr;
+    AddressSpace dram_as;
 } AspeedI2CState;
 
 #define ASPEED_I2C_CLASS(klass) \
@@ -75,6 +84,13 @@ typedef struct AspeedI2CClass {
     uint8_t reg_size;
     uint8_t gap;
     qemu_irq (*bus_get_irq)(AspeedI2CBus *);
+
+    uint64_t pool_size;
+    hwaddr pool_base;
+    uint8_t *(*bus_pool_base)(AspeedI2CBus *);
+    bool check_sram;
+    bool has_dma;
+
 } AspeedI2CClass;
 
 I2CBus *aspeed_i2c_get_bus(DeviceState *dev, int busnr);
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 1f86eba3f9..61a998de46 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -237,6 +237,9 @@ void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
                        const CPUArchIdList *apic_ids, GArray *entry);
 
+extern GlobalProperty pc_compat_4_2[];
+extern const size_t pc_compat_4_2_len;
+
 extern GlobalProperty pc_compat_4_1[];
 extern const size_t pc_compat_4_1_len;
 
diff --git a/include/hw/ssi/aspeed_smc.h b/include/hw/ssi/aspeed_smc.h
index 684d16e336..6fbbb238f1 100644
--- a/include/hw/ssi/aspeed_smc.h
+++ b/include/hw/ssi/aspeed_smc.h
@@ -40,6 +40,7 @@ typedef struct AspeedSMCController {
     uint8_t r_ce_ctrl;
     uint8_t r_ctrl0;
     uint8_t r_timings;
+    uint8_t nregs_timings;
     uint8_t conf_enable_w0;
     uint8_t max_slaves;
     const AspeedSegments *segments;
diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h
index cddcfbebe9..9c19f5b634 100644
--- a/include/hw/virtio/virtio-blk.h
+++ b/include/hw/virtio/virtio-blk.h
@@ -40,6 +40,7 @@ struct VirtIOBlkConf
     uint16_t queue_size;
     uint32_t max_discard_sectors;
     uint32_t max_write_zeroes_sectors;
+    bool x_enable_wce_if_config_wce;
 };
 
 struct VirtIOBlockDataPlane;
diff --git a/include/hw/watchdog/wdt_aspeed.h b/include/hw/watchdog/wdt_aspeed.h
index dfedd7662d..819c22993a 100644
--- a/include/hw/watchdog/wdt_aspeed.h
+++ b/include/hw/watchdog/wdt_aspeed.h
@@ -47,6 +47,7 @@ typedef struct AspeedWDTClass {
     uint32_t ext_pulse_width_mask;
     uint32_t reset_ctrl_reg;
     void (*reset_pulse)(AspeedWDTState *s, uint32_t property);
+    void (*wdt_reload)(AspeedWDTState *s);
 }  AspeedWDTClass;
 
 #endif /* WDT_ASPEED_H */
diff --git a/include/qemu/cutils.h b/include/qemu/cutils.h
index b54c847e0f..eb59852dfd 100644
--- a/include/qemu/cutils.h
+++ b/include/qemu/cutils.h
@@ -130,6 +130,7 @@ const char *qemu_strchrnul(const char *s, int c);
 #endif
 time_t mktimegm(struct tm *tm);
 int qemu_fdatasync(int fd);
+int qemu_msync(void *addr, size_t length, int fd);
 int fcntl_setfl(int fd, int flag);
 int qemu_parse_fd(const char *param);
 int qemu_strtoi(const char *nptr, const char **endptr, int base,