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-rw-r--r--include/exec/cpu-all.h2
-rw-r--r--include/exec/cpu-common.h12
-rw-r--r--include/exec/memory.h16
-rw-r--r--include/hw/boards.h54
-rw-r--r--include/hw/ide/internal.h3
-rw-r--r--include/hw/misc/aspeed_sdmc.h1
-rw-r--r--include/hw/ppc/ppc4xx.h9
-rw-r--r--include/qemu/bitops.h38
-rw-r--r--include/sysemu/hostmem.h20
-rw-r--r--include/sysemu/numa.h1
-rw-r--r--include/sysemu/sysemu.h2
11 files changed, 100 insertions, 58 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index e96781a455..49384bb66a 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -388,7 +388,7 @@ void dump_opcount_info(void);
#endif /* !CONFIG_USER_ONLY */
int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
- uint8_t *buf, target_ulong len, int is_write);
+ void *ptr, target_ulong len, bool is_write);
int cpu_exec(CPUState *cpu);
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index 81753bbb34..b47e5630e7 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -69,23 +69,23 @@ void qemu_ram_unset_migratable(RAMBlock *rb);
size_t qemu_ram_pagesize(RAMBlock *block);
size_t qemu_ram_pagesize_largest(void);
-void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf,
- hwaddr len, int is_write);
+void cpu_physical_memory_rw(hwaddr addr, void *buf,
+ hwaddr len, bool is_write);
static inline void cpu_physical_memory_read(hwaddr addr,
void *buf, hwaddr len)
{
- cpu_physical_memory_rw(addr, buf, len, 0);
+ cpu_physical_memory_rw(addr, buf, len, false);
}
static inline void cpu_physical_memory_write(hwaddr addr,
const void *buf, hwaddr len)
{
- cpu_physical_memory_rw(addr, (void *)buf, len, 1);
+ cpu_physical_memory_rw(addr, (void *)buf, len, true);
}
void *cpu_physical_memory_map(hwaddr addr,
hwaddr *plen,
- int is_write);
+ bool is_write);
void cpu_physical_memory_unmap(void *buffer, hwaddr len,
- int is_write, hwaddr access_len);
+ bool is_write, hwaddr access_len);
void cpu_register_map_client(QEMUBH *bh);
void cpu_unregister_map_client(QEMUBH *bh);
diff --git a/include/exec/memory.h b/include/exec/memory.h
index e85b7de99a..1614d9a02c 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -2052,7 +2052,7 @@ void address_space_remove_listeners(AddressSpace *as);
* @is_write: indicates the transfer direction
*/
MemTxResult address_space_rw(AddressSpace *as, hwaddr addr,
- MemTxAttrs attrs, uint8_t *buf,
+ MemTxAttrs attrs, void *buf,
hwaddr len, bool is_write);
/**
@@ -2070,7 +2070,7 @@ MemTxResult address_space_rw(AddressSpace *as, hwaddr addr,
*/
MemTxResult address_space_write(AddressSpace *as, hwaddr addr,
MemTxAttrs attrs,
- const uint8_t *buf, hwaddr len);
+ const void *buf, hwaddr len);
/**
* address_space_write_rom: write to address space, including ROM.
@@ -2096,7 +2096,7 @@ MemTxResult address_space_write(AddressSpace *as, hwaddr addr,
*/
MemTxResult address_space_write_rom(AddressSpace *as, hwaddr addr,
MemTxAttrs attrs,
- const uint8_t *buf, hwaddr len);
+ const void *buf, hwaddr len);
/* address_space_ld*: load from an address space
* address_space_st*: store to an address space
@@ -2329,14 +2329,14 @@ void *address_space_map(AddressSpace *as, hwaddr addr,
* @is_write: indicates the transfer direction
*/
void address_space_unmap(AddressSpace *as, void *buffer, hwaddr len,
- int is_write, hwaddr access_len);
+ bool is_write, hwaddr access_len);
/* Internal functions, part of the implementation of address_space_read. */
MemTxResult address_space_read_full(AddressSpace *as, hwaddr addr,
- MemTxAttrs attrs, uint8_t *buf, hwaddr len);
+ MemTxAttrs attrs, void *buf, hwaddr len);
MemTxResult flatview_read_continue(FlatView *fv, hwaddr addr,
- MemTxAttrs attrs, uint8_t *buf,
+ MemTxAttrs attrs, void *buf,
hwaddr len, hwaddr addr1, hwaddr l,
MemoryRegion *mr);
void *qemu_map_ram_ptr(RAMBlock *ram_block, ram_addr_t addr);
@@ -2374,7 +2374,7 @@ static inline bool memory_access_is_direct(MemoryRegion *mr, bool is_write)
*/
static inline __attribute__((__always_inline__))
MemTxResult address_space_read(AddressSpace *as, hwaddr addr,
- MemTxAttrs attrs, uint8_t *buf,
+ MemTxAttrs attrs, void *buf,
hwaddr len)
{
MemTxResult result = MEMTX_OK;
@@ -2433,7 +2433,7 @@ address_space_read_cached(MemoryRegionCache *cache, hwaddr addr,
*/
static inline void
address_space_write_cached(MemoryRegionCache *cache, hwaddr addr,
- void *buf, hwaddr len)
+ const void *buf, hwaddr len)
{
assert(addr < cache->len && len <= cache->len - addr);
if (likely(cache->ptr)) {
diff --git a/include/hw/boards.h b/include/hw/boards.h
index fb1b43d5b9..142b86d0ae 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -4,6 +4,7 @@
#define HW_BOARDS_H
#include "exec/memory.h"
+#include "sysemu/hostmem.h"
#include "sysemu/blockdev.h"
#include "sysemu/accel.h"
#include "qapi/qapi-types-machine.h"
@@ -11,38 +12,6 @@
#include "qom/object.h"
#include "hw/core/cpu.h"
-/**
- * memory_region_allocate_system_memory - Allocate a board's main memory
- * @mr: the #MemoryRegion to be initialized
- * @owner: the object that tracks the region's reference count
- * @name: name of the memory region
- * @ram_size: size of the region in bytes
- *
- * This function allocates the main memory for a board model, and
- * initializes @mr appropriately. It also arranges for the memory
- * to be migrated (by calling vmstate_register_ram_global()).
- *
- * Memory allocated via this function will be backed with the memory
- * backend the user provided using "-mem-path" or "-numa node,memdev=..."
- * if appropriate; this is typically used to cause host huge pages to be
- * used. This function should therefore be called by a board exactly once,
- * for the primary or largest RAM area it implements.
- *
- * For boards where the major RAM is split into two parts in the memory
- * map, you can deal with this by calling memory_region_allocate_system_memory()
- * once to get a MemoryRegion with enough RAM for both parts, and then
- * creating alias MemoryRegions via memory_region_init_alias() which
- * alias into different parts of the RAM MemoryRegion and can be mapped
- * into the memory map in the appropriate places.
- *
- * Smaller pieces of memory (display RAM, static RAMs, etc) don't need
- * to be backed via the -mem-path memory backend and can simply
- * be created via memory_region_init_ram().
- */
-void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
- const char *name,
- uint64_t ram_size);
-
#define TYPE_MACHINE_SUFFIX "-machine"
/* Machine class name that needs to be used for class-name-based machine
@@ -72,7 +41,12 @@ void machine_set_cpu_numa_node(MachineState *machine,
Error **errp);
void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type);
-
+/*
+ * Checks that backend isn't used, preps it for exclusive usage and
+ * returns migratable MemoryRegion provided by backend.
+ */
+MemoryRegion *machine_consume_memdev(MachineState *machine,
+ HostMemoryBackend *backend);
/**
* CPUArchId:
@@ -169,6 +143,13 @@ typedef struct {
* false is returned, an error must be set to show the reason of
* the rejection. If the hook is not provided, all hotplug will be
* allowed.
+ * @default_ram_id:
+ * Specifies inital RAM MemoryRegion name to be used for default backend
+ * creation if user explicitly hasn't specified backend with "memory-backend"
+ * property.
+ * It also will be used as a way to optin into "-m" option support.
+ * If it's not set by board, '-m' will be ignored and generic code will
+ * not create default RAM MemoryRegion.
*/
struct MachineClass {
/*< private >*/
@@ -225,6 +206,7 @@ struct MachineClass {
bool nvdimm_supported;
bool numa_mem_supported;
bool auto_enable_numa;
+ const char *default_ram_id;
HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
DeviceState *dev);
@@ -285,6 +267,12 @@ struct MachineState {
bool enforce_config_section;
bool enable_graphics;
char *memory_encryption;
+ char *ram_memdev_id;
+ /*
+ * convenience alias to ram_memdev_id backend memory region
+ * or to numa container memory region
+ */
+ MemoryRegion *ram;
DeviceMemoryState *device_memory;
ram_addr_t ram_size;
diff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h
index 52ec197da0..1bc1fc73e5 100644
--- a/include/hw/ide/internal.h
+++ b/include/hw/ide/internal.h
@@ -322,11 +322,10 @@ typedef void EndTransferFunc(IDEState *);
typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockCompletionFunc *);
typedef void DMAVoidFunc(IDEDMA *);
-typedef int DMAIntFunc(IDEDMA *, int);
+typedef int DMAIntFunc(IDEDMA *, bool);
typedef int32_t DMAInt32Func(IDEDMA *, int32_t len);
typedef void DMAu32Func(IDEDMA *, uint32_t);
typedef void DMAStopFunc(IDEDMA *, bool);
-typedef void DMARestartFunc(void *, int, RunState);
struct unreported_events {
bool eject_request;
diff --git a/include/hw/misc/aspeed_sdmc.h b/include/hw/misc/aspeed_sdmc.h
index 5dbde59fe7..cea1e67fe3 100644
--- a/include/hw/misc/aspeed_sdmc.h
+++ b/include/hw/misc/aspeed_sdmc.h
@@ -40,6 +40,7 @@ typedef struct AspeedSDMCClass {
SysBusDeviceClass parent_class;
uint64_t max_ram_size;
+ const uint64_t *valid_ram_sizes;
uint32_t (*compute_conf)(AspeedSDMCState *s, uint32_t data);
void (*write)(AspeedSDMCState *s, uint32_t reg, uint32_t data);
} AspeedSDMCClass;
diff --git a/include/hw/ppc/ppc4xx.h b/include/hw/ppc/ppc4xx.h
index 7d82259051..cc19c8da5b 100644
--- a/include/hw/ppc/ppc4xx.h
+++ b/include/hw/ppc/ppc4xx.h
@@ -42,11 +42,10 @@ enum {
qemu_irq *ppcuic_init (CPUPPCState *env, qemu_irq *irqs,
uint32_t dcr_base, int has_ssr, int has_vr);
-ram_addr_t ppc4xx_sdram_adjust(ram_addr_t ram_size, int nr_banks,
- MemoryRegion ram_memories[],
- hwaddr ram_bases[],
- hwaddr ram_sizes[],
- const ram_addr_t sdram_bank_sizes[]);
+void ppc4xx_sdram_banks(MemoryRegion *ram, int nr_banks,
+ MemoryRegion ram_memories[],
+ hwaddr ram_bases[], hwaddr ram_sizes[],
+ const ram_addr_t sdram_bank_sizes[]);
void ppc4xx_sdram_init (CPUPPCState *env, qemu_irq irq, int nbanks,
MemoryRegion ram_memories[],
diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h
index 02c1ce6a5d..f55ce8b320 100644
--- a/include/qemu/bitops.h
+++ b/include/qemu/bitops.h
@@ -302,6 +302,44 @@ static inline uint32_t extract32(uint32_t value, int start, int length)
}
/**
+ * extract8:
+ * @value: the value to extract the bit field from
+ * @start: the lowest bit in the bit field (numbered from 0)
+ * @length: the length of the bit field
+ *
+ * Extract from the 8 bit input @value the bit field specified by the
+ * @start and @length parameters, and return it. The bit field must
+ * lie entirely within the 8 bit word. It is valid to request that
+ * all 8 bits are returned (ie @length 8 and @start 0).
+ *
+ * Returns: the value of the bit field extracted from the input value.
+ */
+static inline uint8_t extract8(uint8_t value, int start, int length)
+{
+ assert(start >= 0 && length > 0 && length <= 8 - start);
+ return extract32(value, start, length);
+}
+
+/**
+ * extract16:
+ * @value: the value to extract the bit field from
+ * @start: the lowest bit in the bit field (numbered from 0)
+ * @length: the length of the bit field
+ *
+ * Extract from the 16 bit input @value the bit field specified by the
+ * @start and @length parameters, and return it. The bit field must
+ * lie entirely within the 16 bit word. It is valid to request that
+ * all 16 bits are returned (ie @length 16 and @start 0).
+ *
+ * Returns: the value of the bit field extracted from the input value.
+ */
+static inline uint16_t extract16(uint16_t value, int start, int length)
+{
+ assert(start >= 0 && length > 0 && length <= 16 - start);
+ return extract32(value, start, length);
+}
+
+/**
* extract64:
* @value: the value to extract the bit field from
* @start: the lowest bit in the bit field (numbered from 0)
diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h
index 4dbdadd39e..8276e53683 100644
--- a/include/sysemu/hostmem.h
+++ b/include/sysemu/hostmem.h
@@ -27,6 +27,22 @@
#define MEMORY_BACKEND_CLASS(klass) \
OBJECT_CLASS_CHECK(HostMemoryBackendClass, (klass), TYPE_MEMORY_BACKEND)
+/* hostmem-ram.c */
+/**
+ * @TYPE_MEMORY_BACKEND_RAM:
+ * name of backend that uses mmap on the anonymous RAM
+ */
+
+#define TYPE_MEMORY_BACKEND_RAM "memory-backend-ram"
+
+/* hostmem-file.c */
+/**
+ * @TYPE_MEMORY_BACKEND_FILE:
+ * name of backend that uses mmap on a file descriptor
+ */
+#define TYPE_MEMORY_BACKEND_FILE "memory-backend-file"
+
+typedef struct HostMemoryBackend HostMemoryBackend;
typedef struct HostMemoryBackendClass HostMemoryBackendClass;
/**
@@ -45,6 +61,7 @@ struct HostMemoryBackendClass {
* @parent: opaque parent object container
* @size: amount of memory backend provides
* @mr: MemoryRegion representing host memory belonging to backend
+ * @prealloc_threads: number of threads to be used for preallocatining RAM
*/
struct HostMemoryBackend {
/* private */
@@ -53,7 +70,8 @@ struct HostMemoryBackend {
/* protected */
uint64_t size;
bool merge, dump, use_canonical_path;
- bool prealloc, force_prealloc, is_mapped, share;
+ bool prealloc, is_mapped, share;
+ uint32_t prealloc_threads;
DECLARE_BITMAP(host_nodes, MAX_NODES + 1);
HostMemPolicy policy;
diff --git a/include/sysemu/numa.h b/include/sysemu/numa.h
index ba693cc80b..ad58ee88f7 100644
--- a/include/sysemu/numa.h
+++ b/include/sysemu/numa.h
@@ -112,5 +112,6 @@ void numa_default_auto_assign_ram(MachineClass *mc, NodeInfo *nodes,
int nb_nodes, ram_addr_t size);
void numa_cpu_pre_plug(const struct CPUArchId *slot, DeviceState *dev,
Error **errp);
+bool numa_uses_legacy_mem(void);
#endif
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index dec64fcc17..479d90bcea 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -50,8 +50,6 @@ extern uint8_t *boot_splash_filedata;
extern bool enable_mlock;
extern bool enable_cpu_pm;
extern QEMUClockType rtc_clock;
-extern const char *mem_path;
-extern int mem_prealloc;
#define MAX_OPTION_ROMS 16
typedef struct QEMUOptionRom {
generated by cgit v1.2.3 (git 2.26.2) at 2025-02-12 23:10:46 +0000