diff options
Diffstat (limited to 'include')
44 files changed, 413 insertions, 138 deletions
diff --git a/include/block/aio-wait.h b/include/block/aio-wait.h index 157f105916..cf5e8bde1c 100644 --- a/include/block/aio-wait.h +++ b/include/block/aio-wait.h @@ -143,7 +143,7 @@ static inline bool in_aio_context_home_thread(AioContext *ctx) } if (ctx == qemu_get_aio_context()) { - return qemu_mutex_iothread_locked(); + return bql_locked(); } else { return false; } diff --git a/include/block/aio.h b/include/block/aio.h index af05512a7d..c802a392e5 100644 --- a/include/block/aio.h +++ b/include/block/aio.h @@ -699,8 +699,7 @@ void aio_context_set_poll_params(AioContext *ctx, int64_t max_ns, * @max_batch: maximum number of requests in a batch, 0 means that the * engine will use its default */ -void aio_context_set_aio_params(AioContext *ctx, int64_t max_batch, - Error **errp); +void aio_context_set_aio_params(AioContext *ctx, int64_t max_batch); /** * aio_context_set_thread_pool_params: diff --git a/include/block/blockjob.h b/include/block/blockjob.h index e594c10d23..7061ab7201 100644 --- a/include/block/blockjob.h +++ b/include/block/blockjob.h @@ -54,7 +54,7 @@ typedef struct BlockJob { /** * Speed that was set with @block_job_set_speed. - * Always modified and read under QEMU global mutex (GLOBAL_STATE_CODE). + * Always modified and read under the BQL (GLOBAL_STATE_CODE). */ int64_t speed; @@ -66,7 +66,7 @@ typedef struct BlockJob { /** * Block other operations when block job is running. - * Always modified and read under QEMU global mutex (GLOBAL_STATE_CODE). + * Always modified and read under the BQL (GLOBAL_STATE_CODE). */ Error *blocker; @@ -89,7 +89,7 @@ typedef struct BlockJob { /** * BlockDriverStates that are involved in this block job. - * Always modified and read under QEMU global mutex (GLOBAL_STATE_CODE). + * Always modified and read under the BQL (GLOBAL_STATE_CODE). */ GSList *nodes; } BlockJob; diff --git a/include/chardev/char-fe.h b/include/chardev/char-fe.h index 0ff6f87511..ecef182835 100644 --- a/include/chardev/char-fe.h +++ b/include/chardev/char-fe.h @@ -7,8 +7,12 @@ typedef void IOEventHandler(void *opaque, QEMUChrEvent event); typedef int BackendChangeHandler(void *opaque); -/* This is the backend as seen by frontend, the actual backend is - * Chardev */ +/** + * struct CharBackend - back end as seen by front end + * @fe_is_open: the front end is ready for IO + * + * The actual backend is Chardev + */ struct CharBackend { Chardev *chr; IOEventHandler *chr_event; @@ -17,7 +21,7 @@ struct CharBackend { BackendChangeHandler *chr_be_change; void *opaque; int tag; - int fe_open; + bool fe_is_open; }; /** @@ -156,12 +160,13 @@ void qemu_chr_fe_set_echo(CharBackend *be, bool echo); /** * qemu_chr_fe_set_open: + * @be: a CharBackend + * @is_open: the front end open status * - * Set character frontend open status. This is an indication that the - * front end is ready (or not) to begin doing I/O. - * Without associated Chardev, do nothing. + * This is an indication that the front end is ready (or not) to begin + * doing I/O. Without associated Chardev, do nothing. */ -void qemu_chr_fe_set_open(CharBackend *be, int fe_open); +void qemu_chr_fe_set_open(CharBackend *be, bool is_open); /** * qemu_chr_fe_printf: diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index 41115d8919..fef3138d29 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -92,7 +92,7 @@ RAMBlock *qemu_ram_block_by_name(const char *name); * * By the time this function returns, the returned pointer is not protected * by RCU anymore. If the caller is not within an RCU critical section and - * does not hold the iothread lock, it must have other means of protecting the + * does not hold the BQL, it must have other means of protecting the * pointer, such as a reference to the memory region that owns the RAMBlock. */ RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset, diff --git a/include/exec/memory.h b/include/exec/memory.h index f172e82ac9..177be23db7 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -1288,8 +1288,10 @@ void memory_region_init_io(MemoryRegion *mr, * * Note that this function does not do anything to cause the data in the * RAM memory region to be migrated; that is the responsibility of the caller. + * + * Return: true on success, else false setting @errp with error. */ -void memory_region_init_ram_nomigrate(MemoryRegion *mr, +bool memory_region_init_ram_nomigrate(MemoryRegion *mr, Object *owner, const char *name, uint64_t size, @@ -1310,8 +1312,10 @@ void memory_region_init_ram_nomigrate(MemoryRegion *mr, * * Note that this function does not do anything to cause the data in the * RAM memory region to be migrated; that is the responsibility of the caller. + * + * Return: true on success, else false setting @errp with error. */ -void memory_region_init_ram_flags_nomigrate(MemoryRegion *mr, +bool memory_region_init_ram_flags_nomigrate(MemoryRegion *mr, Object *owner, const char *name, uint64_t size, @@ -1338,8 +1342,10 @@ void memory_region_init_ram_flags_nomigrate(MemoryRegion *mr, * * Note that this function does not do anything to cause the data in the * RAM memory region to be migrated; that is the responsibility of the caller. + * + * Return: true on success, else false setting @errp with error. */ -void memory_region_init_resizeable_ram(MemoryRegion *mr, +bool memory_region_init_resizeable_ram(MemoryRegion *mr, Object *owner, const char *name, uint64_t size, @@ -1370,8 +1376,10 @@ void memory_region_init_resizeable_ram(MemoryRegion *mr, * * Note that this function does not do anything to cause the data in the * RAM memory region to be migrated; that is the responsibility of the caller. + * + * Return: true on success, else false setting @errp with error. */ -void memory_region_init_ram_from_file(MemoryRegion *mr, +bool memory_region_init_ram_from_file(MemoryRegion *mr, Object *owner, const char *name, uint64_t size, @@ -1398,8 +1406,10 @@ void memory_region_init_ram_from_file(MemoryRegion *mr, * * Note that this function does not do anything to cause the data in the * RAM memory region to be migrated; that is the responsibility of the caller. + * + * Return: true on success, else false setting @errp with error. */ -void memory_region_init_ram_from_fd(MemoryRegion *mr, +bool memory_region_init_ram_from_fd(MemoryRegion *mr, Object *owner, const char *name, uint64_t size, @@ -1494,8 +1504,10 @@ void memory_region_init_alias(MemoryRegion *mr, * must be unique within any device * @size: size of the region. * @errp: pointer to Error*, to store an error if it happens. + * + * Return: true on success, else false setting @errp with error. */ -void memory_region_init_rom_nomigrate(MemoryRegion *mr, +bool memory_region_init_rom_nomigrate(MemoryRegion *mr, Object *owner, const char *name, uint64_t size, @@ -1517,8 +1529,10 @@ void memory_region_init_rom_nomigrate(MemoryRegion *mr, * must be unique within any device * @size: size of the region. * @errp: pointer to Error*, to store an error if it happens. + * + * Return: true on success, else false setting @errp with error. */ -void memory_region_init_rom_device_nomigrate(MemoryRegion *mr, +bool memory_region_init_rom_device_nomigrate(MemoryRegion *mr, Object *owner, const MemoryRegionOps *ops, void *opaque, @@ -1576,8 +1590,10 @@ void memory_region_init_iommu(void *_iommu_mr, * give the RAM block a unique name for migration purposes. * We should lift this restriction and allow arbitrary Objects. * If you pass a non-NULL non-device @owner then we will assert. + * + * Return: true on success, else false setting @errp with error. */ -void memory_region_init_ram(MemoryRegion *mr, +bool memory_region_init_ram(MemoryRegion *mr, Object *owner, const char *name, uint64_t size, @@ -1603,8 +1619,10 @@ void memory_region_init_ram(MemoryRegion *mr, * must be unique within any device * @size: size of the region. * @errp: pointer to Error*, to store an error if it happens. + * + * Return: true on success, else false setting @errp with error. */ -void memory_region_init_rom(MemoryRegion *mr, +bool memory_region_init_rom(MemoryRegion *mr, Object *owner, const char *name, uint64_t size, @@ -1634,8 +1652,10 @@ void memory_region_init_rom(MemoryRegion *mr, * must be unique within any device * @size: size of the region. * @errp: pointer to Error*, to store an error if it happens. + * + * Return: true on success, else false setting @errp with error. */ -void memory_region_init_rom_device(MemoryRegion *mr, +bool memory_region_init_rom_device(MemoryRegion *mr, Object *owner, const MemoryRegionOps *ops, void *opaque, @@ -1962,7 +1982,7 @@ int memory_region_get_fd(MemoryRegion *mr); * * Use with care; by the time this function returns, the returned pointer is * not protected by RCU anymore. If the caller is not within an RCU critical - * section and does not hold the iothread lock, it must have other means of + * section and does not hold the BQL, it must have other means of * protecting the pointer, such as a reference to the region that includes * the incoming ram_addr_t. * @@ -1979,7 +1999,7 @@ MemoryRegion *memory_region_from_host(void *ptr, ram_addr_t *offset); * * Use with care; by the time this function returns, the returned pointer is * not protected by RCU anymore. If the caller is not within an RCU critical - * section and does not hold the iothread lock, it must have other means of + * section and does not hold the BQL, it must have other means of * protecting the pointer, such as a reference to the region that includes * the incoming ram_addr_t. * diff --git a/include/exec/ramblock.h b/include/exec/ramblock.h index 69c6a53902..3eb79723c6 100644 --- a/include/exec/ramblock.h +++ b/include/exec/ramblock.h @@ -34,7 +34,7 @@ struct RAMBlock { ram_addr_t max_length; void (*resized)(const char*, uint64_t length, void *host); uint32_t flags; - /* Protected by iothread lock. */ + /* Protected by the BQL. */ char idstr[256]; /* RCU-enabled, writes protected by the ramlist lock */ QLIST_ENTRY(RAMBlock) next; diff --git a/include/hw/arm/armv7m.h b/include/hw/arm/armv7m.h index e2cebbd15c..5c057ab2ec 100644 --- a/include/hw/arm/armv7m.h +++ b/include/hw/arm/armv7m.h @@ -43,6 +43,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(ARMv7MState, ARMV7M) * a qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET). * + Property "cpu-type": CPU type to instantiate * + Property "num-irq": number of external IRQ lines + * + Property "num-prio-bits": number of priority bits in the NVIC * + Property "memory": MemoryRegion defining the physical address space * that CPU accesses see. (The NVIC, bitbanding and other CPU-internal * devices will be automatically layered on top of this view.) diff --git a/include/hw/arm/stm32l4x5_soc.h b/include/hw/arm/stm32l4x5_soc.h new file mode 100644 index 0000000000..2fd44a36a9 --- /dev/null +++ b/include/hw/arm/stm32l4x5_soc.h @@ -0,0 +1,57 @@ +/* + * STM32L4x5 SoC family + * + * Copyright (c) 2023 Arnaud Minier <arnaud.minier@telecom-paris.fr> + * Copyright (c) 2023 Inès Varhol <ines.varhol@telecom-paris.fr> + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + * This work is heavily inspired by the stm32f405_soc by Alistair Francis. + * Original code is licensed under the MIT License: + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + */ + +/* + * The reference used is the STMicroElectronics RM0351 Reference manual + * for STM32L4x5 and STM32L4x6 advanced Arm ® -based 32-bit MCUs. + * https://www.st.com/en/microcontrollers-microprocessors/stm32l4x5/documentation.html + */ + +#ifndef HW_ARM_STM32L4x5_SOC_H +#define HW_ARM_STM32L4x5_SOC_H + +#include "exec/memory.h" +#include "hw/arm/armv7m.h" +#include "qom/object.h" + +#define TYPE_STM32L4X5_SOC "stm32l4x5-soc" +#define TYPE_STM32L4X5XC_SOC "stm32l4x5xc-soc" +#define TYPE_STM32L4X5XE_SOC "stm32l4x5xe-soc" +#define TYPE_STM32L4X5XG_SOC "stm32l4x5xg-soc" +OBJECT_DECLARE_TYPE(Stm32l4x5SocState, Stm32l4x5SocClass, STM32L4X5_SOC) + +struct Stm32l4x5SocState { + SysBusDevice parent_obj; + + ARMv7MState armv7m; + + MemoryRegion sram1; + MemoryRegion sram2; + MemoryRegion flash; + MemoryRegion flash_alias; + + Clock *sysclk; + Clock *refclk; +}; + +struct Stm32l4x5SocClass { + SysBusDeviceClass parent_class; + + size_t flash_size; +}; + +#endif diff --git a/include/hw/boards.h b/include/hw/boards.h index 8af165f4dc..bcfde8a84d 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -24,6 +24,12 @@ OBJECT_DECLARE_TYPE(MachineState, MachineClass, MACHINE) extern MachineState *current_machine; +/** + * machine_class_default_cpu_type: Return the machine default CPU type. + * @mc: Machine class + */ +const char *machine_class_default_cpu_type(MachineClass *mc); + void machine_add_audiodev_property(MachineClass *mc); void machine_run_board_init(MachineState *machine, const char *mem_path, Error **errp); bool machine_usb(MachineState *machine); diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index c0c8320413..238c02c05e 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -430,16 +430,13 @@ struct qemu_work_item; * @gdb_regs: Additional GDB registers. * @gdb_num_regs: Number of total registers accessible to GDB. * @gdb_num_g_regs: Number of registers in GDB 'g' packets. - * @next_cpu: Next CPU sharing TB cache. + * @node: QTAILQ of CPUs sharing TB cache. * @opaque: User data. * @mem_io_pc: Host Program Counter at which the memory was accessed. * @accel: Pointer to accelerator specific state. * @kvm_fd: vCPU file descriptor for KVM. * @work_mutex: Lock to prevent multiple access to @work_list. * @work_list: List of pending asynchronous work. - * @trace_dstate_delayed: Delayed changes to trace_dstate (includes all changes - * to @trace_dstate). - * @trace_dstate: Dynamic tracing state of events for this vCPU (bitmask). * @plugin_mask: Plugin event bitmap. Modified only via async work. * @ignore_memory_transaction_failures: Cached copy of the MachineState * flag of the same name: allows the board to suppress calling of the @@ -780,6 +777,19 @@ void cpu_reset(CPUState *cpu); ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model); /** + * cpu_model_from_type: + * @typename: The CPU type name + * + * Extract the CPU model name from the CPU type name. The + * CPU type name is either the combination of the CPU model + * name and suffix, or same to the CPU model name. + * + * Returns: CPU model name or NULL if the CPU class doesn't exist + * The user should g_free() the string once no longer needed. + */ +char *cpu_model_from_type(const char *typename); + +/** * cpu_create: * @typename: The CPU type. * diff --git a/include/hw/intc/loongarch_extioi.h b/include/hw/intc/loongarch_extioi.h index fbdef9a7b3..a0a46b888c 100644 --- a/include/hw/intc/loongarch_extioi.h +++ b/include/hw/intc/loongarch_extioi.h @@ -40,25 +40,29 @@ #define EXTIOI_COREMAP_START (0xC00 - APIC_OFFSET) #define EXTIOI_COREMAP_END (0xD00 - APIC_OFFSET) +typedef struct ExtIOICore { + uint32_t coreisr[EXTIOI_IRQS_GROUP_COUNT]; + DECLARE_BITMAP(sw_isr[LS3A_INTC_IP], EXTIOI_IRQS); + qemu_irq parent_irq[LS3A_INTC_IP]; +} ExtIOICore; + #define TYPE_LOONGARCH_EXTIOI "loongarch.extioi" OBJECT_DECLARE_SIMPLE_TYPE(LoongArchExtIOI, LOONGARCH_EXTIOI) struct LoongArchExtIOI { SysBusDevice parent_obj; + uint32_t num_cpu; /* hardware state */ uint32_t nodetype[EXTIOI_IRQS_NODETYPE_COUNT / 2]; uint32_t bounce[EXTIOI_IRQS_GROUP_COUNT]; uint32_t isr[EXTIOI_IRQS / 32]; - uint32_t coreisr[EXTIOI_CPUS][EXTIOI_IRQS_GROUP_COUNT]; uint32_t enable[EXTIOI_IRQS / 32]; uint32_t ipmap[EXTIOI_IRQS_IPMAP_SIZE / 4]; uint32_t coremap[EXTIOI_IRQS / 4]; uint32_t sw_pending[EXTIOI_IRQS / 32]; - DECLARE_BITMAP(sw_isr[EXTIOI_CPUS][LS3A_INTC_IP], EXTIOI_IRQS); uint8_t sw_ipmap[EXTIOI_IRQS_IPMAP_SIZE]; uint8_t sw_coremap[EXTIOI_IRQS]; - qemu_irq parent_irq[EXTIOI_CPUS][LS3A_INTC_IP]; qemu_irq irq[EXTIOI_IRQS]; - MemoryRegion extioi_iocsr_mem[EXTIOI_CPUS]; + ExtIOICore *cpu; MemoryRegion extioi_system_mem; }; #endif /* LOONGARCH_EXTIOI_H */ diff --git a/include/hw/intc/loongarch_ipi.h b/include/hw/intc/loongarch_ipi.h index 6c6194786e..1c1e834849 100644 --- a/include/hw/intc/loongarch_ipi.h +++ b/include/hw/intc/loongarch_ipi.h @@ -47,7 +47,8 @@ struct LoongArchIPI { SysBusDevice parent_obj; MemoryRegion ipi_iocsr_mem; MemoryRegion ipi64_iocsr_mem; - IPICore ipi_core; + uint32_t num_cpu; + IPICore *cpu; }; #endif diff --git a/include/hw/loongarch/virt.h b/include/hw/loongarch/virt.h index db0831b471..6ef9a92394 100644 --- a/include/hw/loongarch/virt.h +++ b/include/hw/loongarch/virt.h @@ -50,6 +50,9 @@ struct LoongArchMachineState { DeviceState *platform_bus_dev; PCIBus *pci_bus; PFlashCFI01 *flash; + MemoryRegion system_iocsr; + MemoryRegion iocsr_mem; + AddressSpace as_iocsr; }; #define TYPE_LOONGARCH_MACHINE MACHINE_TYPE_NAME("virt") diff --git a/include/hw/m68k/q800.h b/include/hw/m68k/q800.h index a9661f65f6..34365c9860 100644 --- a/include/hw/m68k/q800.h +++ b/include/hw/m68k/q800.h @@ -55,6 +55,7 @@ struct Q800MachineState { MOS6522Q800VIA1State via1; MOS6522Q800VIA2State via2; dp8393xState dp8393x; + MemoryRegion dp8393x_prom; ESCCState escc; OrIRQState escc_orgate; SysBusESPState esp; diff --git a/include/hw/mips/bios.h b/include/hw/mips/bios.h deleted file mode 100644 index 44acb6815b..0000000000 --- a/include/hw/mips/bios.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef HW_MIPS_BIOS_H -#define HW_MIPS_BIOS_H - -#include "qemu/units.h" -#include "cpu.h" - -#define BIOS_SIZE (4 * MiB) -#if TARGET_BIG_ENDIAN -#define BIOS_FILENAME "mips_bios.bin" -#else -#define BIOS_FILENAME "mipsel_bios.bin" -#endif - -#endif diff --git a/include/hw/nvram/fw_cfg_acpi.h b/include/hw/nvram/fw_cfg_acpi.h new file mode 100644 index 0000000000..b6553d86fc --- /dev/null +++ b/include/hw/nvram/fw_cfg_acpi.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * ACPI support for fw_cfg + * + */ + +#ifndef FW_CFG_ACPI_H +#define FW_CFG_ACPI_H + +#include "qemu/osdep.h" +#include "exec/hwaddr.h" + +void fw_cfg_acpi_dsdt_add(Aml *scope, const MemMapEntry *fw_cfg_memmap); + +#endif diff --git a/include/hw/pci-host/gpex.h b/include/hw/pci-host/gpex.h index b0240bd768..dce883573b 100644 --- a/include/hw/pci-host/gpex.h +++ b/include/hw/pci-host/gpex.h @@ -40,6 +40,15 @@ struct GPEXRootState { /*< public >*/ }; +struct GPEXConfig { + MemMapEntry ecam; + MemMapEntry mmio32; + MemMapEntry mmio64; + MemMapEntry pio; + int irq; + PCIBus *bus; +}; + struct GPEXHost { /*< private >*/ PCIExpressHost parent_obj; @@ -55,19 +64,22 @@ struct GPEXHost { int irq_num[GPEX_NUM_IRQS]; bool allow_unmapped_accesses; -}; -struct GPEXConfig { - MemMapEntry ecam; - MemMapEntry mmio32; - MemMapEntry mmio64; - MemMapEntry pio; - int irq; - PCIBus *bus; + struct GPEXConfig gpex_cfg; }; int gpex_set_irq_num(GPEXHost *s, int index, int gsi); void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg); +void acpi_dsdt_add_gpex_host(Aml *scope, uint32_t irq); + +#define PCI_HOST_PIO_BASE "x-pio-base" +#define PCI_HOST_PIO_SIZE "x-pio-size" +#define PCI_HOST_ECAM_BASE "x-ecam-base" +#define PCI_HOST_ECAM_SIZE "x-ecam-size" +#define PCI_HOST_BELOW_4G_MMIO_BASE "x-below-4g-mmio-base" +#define PCI_HOST_BELOW_4G_MMIO_SIZE "x-below-4g-mmio-size" +#define PCI_HOST_ABOVE_4G_MMIO_BASE "x-above-4g-mmio-base" +#define PCI_HOST_ABOVE_4G_MMIO_SIZE "x-above-4g-mmio-size" #endif /* HW_GPEX_H */ diff --git a/include/hw/pci/shpc.h b/include/hw/pci/shpc.h index 89c7a3b7fa..a0789df153 100644 --- a/include/hw/pci/shpc.h +++ b/include/hw/pci/shpc.h @@ -52,7 +52,7 @@ void shpc_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, void shpc_device_unplug_request_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp); -extern VMStateInfo shpc_vmstate_info; +extern const VMStateInfo shpc_vmstate_info; #define SHPC_VMSTATE(_field, _type, _test) \ VMSTATE_BUFFER_UNSAFE_INFO_TEST(_field, _type, _test, 0, \ shpc_vmstate_info, 0) diff --git a/include/hw/ppc/xive2_regs.h b/include/hw/ppc/xive2_regs.h index b7adbdb7b9..816f5d0e84 100644 --- a/include/hw/ppc/xive2_regs.h +++ b/include/hw/ppc/xive2_regs.h @@ -10,7 +10,7 @@ #ifndef PPC_XIVE2_REGS_H #define PPC_XIVE2_REGS_H -#include "cpu.h" +#include "qemu/bswap.h" /* * Thread Interrupt Management Area (TIMA) diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h index e5c474b26e..f89790fd58 100644 --- a/include/hw/riscv/virt.h +++ b/include/hw/riscv/virt.h @@ -23,6 +23,7 @@ #include "hw/riscv/riscv_hart.h" #include "hw/sysbus.h" #include "hw/block/flash.h" +#include "hw/intc/riscv_imsic.h" #define VIRT_CPUS_MAX_BITS 9 #define VIRT_CPUS_MAX (1 << VIRT_CPUS_MAX_BITS) @@ -60,6 +61,7 @@ struct RISCVVirtState { char *oem_table_id; OnOffAuto acpi; const MemMapEntry *memmap; + struct GPEXHost *gpex_host; }; enum { @@ -127,4 +129,28 @@ enum { bool virt_is_acpi_enabled(RISCVVirtState *s); void virt_acpi_setup(RISCVVirtState *vms); +uint32_t imsic_num_bits(uint32_t count); + +/* + * The virt machine physical address space used by some of the devices + * namely ACLINT, PLIC, APLIC, and IMSIC depend on number of Sockets, + * number of CPUs, and number of IMSIC guest files. + * + * Various limits defined by VIRT_SOCKETS_MAX_BITS, VIRT_CPUS_MAX_BITS, + * and VIRT_IRQCHIP_MAX_GUESTS_BITS are tuned for maximum utilization + * of virt machine physical address space. + */ + +#define VIRT_IMSIC_GROUP_MAX_SIZE (1U << IMSIC_MMIO_GROUP_MIN_SHIFT) +#if VIRT_IMSIC_GROUP_MAX_SIZE < \ + IMSIC_GROUP_SIZE(VIRT_CPUS_MAX_BITS, VIRT_IRQCHIP_MAX_GUESTS_BITS) +#error "Can't accomodate single IMSIC group in address space" +#endif + +#define VIRT_IMSIC_MAX_SIZE (VIRT_SOCKETS_MAX * \ + VIRT_IMSIC_GROUP_MAX_SIZE) +#if 0x4000000 < VIRT_IMSIC_MAX_SIZE +#error "Can't accomodate all IMSIC groups in address space" +#endif + #endif diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index b8aa8a5495..9b7ef7d02b 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -210,8 +210,6 @@ typedef QLIST_HEAD(VFIOGroupList, VFIOGroup) VFIOGroupList; typedef QLIST_HEAD(VFIODeviceList, VFIODevice) VFIODeviceList; extern VFIOGroupList vfio_group_list; extern VFIODeviceList vfio_device_list; -extern const VFIOIOMMUOps vfio_legacy_ops; -extern const VFIOIOMMUOps vfio_iommufd_ops; extern const MemoryListener vfio_memory_listener; extern int vfio_kvm_device_fd; diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h index 2ae297ccda..b2813b0c11 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -16,7 +16,7 @@ #include "exec/memory.h" typedef struct VFIODevice VFIODevice; -typedef struct VFIOIOMMUOps VFIOIOMMUOps; +typedef struct VFIOIOMMUClass VFIOIOMMUClass; typedef struct { unsigned long *bitmap; @@ -34,7 +34,7 @@ typedef struct VFIOAddressSpace { * This is the base object for vfio container backends */ typedef struct VFIOContainerBase { - const VFIOIOMMUOps *ops; + const VFIOIOMMUClass *ops; VFIOAddressSpace *space; MemoryListener listener; Error *error; @@ -88,11 +88,29 @@ int vfio_container_query_dirty_bitmap(const VFIOContainerBase *bcontainer, void vfio_container_init(VFIOContainerBase *bcontainer, VFIOAddressSpace *space, - const VFIOIOMMUOps *ops); + const VFIOIOMMUClass *ops); void vfio_container_destroy(VFIOContainerBase *bcontainer); -struct VFIOIOMMUOps { + +#define TYPE_VFIO_IOMMU "vfio-iommu" +#define TYPE_VFIO_IOMMU_LEGACY TYPE_VFIO_IOMMU "-legacy" +#define TYPE_VFIO_IOMMU_SPAPR TYPE_VFIO_IOMMU "-spapr" +#define TYPE_VFIO_IOMMU_IOMMUFD TYPE_VFIO_IOMMU "-iommufd" + +/* + * VFIOContainerBase is not an abstract QOM object because it felt + * unnecessary to expose all the IOMMU backends to the QEMU machine + * and human interface. However, we can still abstract the IOMMU + * backend handlers using a QOM interface class. This provides more + * flexibility when referencing the various implementations. + */ +DECLARE_CLASS_CHECKERS(VFIOIOMMUClass, VFIO_IOMMU, TYPE_VFIO_IOMMU) + +struct VFIOIOMMUClass { + InterfaceClass parent_class; + /* basic feature */ + int (*setup)(VFIOContainerBase *bcontainer, Error **errp); int (*dma_map)(const VFIOContainerBase *bcontainer, hwaddr iova, ram_addr_t size, void *vaddr, bool readonly); @@ -117,5 +135,6 @@ struct VFIOIOMMUOps { Error **errp); void (*del_window)(VFIOContainerBase *bcontainer, MemoryRegionSection *section); + void (*release)(VFIOContainerBase *bcontainer); }; #endif /* HW_VFIO_VFIO_CONTAINER_BASE_H */ diff --git a/include/hw/virtio/virtio-acpi.h b/include/hw/virtio/virtio-acpi.h new file mode 100644 index 0000000000..844e102569 --- /dev/null +++ b/include/hw/virtio/virtio-acpi.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * ACPI support for virtio + */ + +#ifndef VIRTIO_ACPI_H +#define VIRTIO_ACPI_H + +#include "qemu/osdep.h" +#include "exec/hwaddr.h" + +void virtio_acpi_dsdt_add(Aml *scope, const hwaddr virtio_mmio_base, + const hwaddr virtio_mmio_size, uint32_t mmio_irq, + long int start_index, int num); + +#endif diff --git a/include/io/task.h b/include/io/task.h index dc7d32ebd0..0b5342ee84 100644 --- a/include/io/task.h +++ b/include/io/task.h @@ -149,7 +149,7 @@ typedef void (*QIOTaskWorker)(QIOTask *task, * lookups) to be easily run non-blocking. Reporting the * results in the main thread context means that the caller * typically does not need to be concerned about thread - * safety wrt the QEMU global mutex. + * safety wrt the BQL. * * For example, the socket_listen() method will block the caller * while DNS lookups take place if given a name, instead of IP diff --git a/include/migration/register.h b/include/migration/register.h index fed1d04a3c..9ab1f79512 100644 --- a/include/migration/register.h +++ b/include/migration/register.h @@ -17,7 +17,7 @@ #include "hw/vmstate-if.h" typedef struct SaveVMHandlers { - /* This runs inside the iothread lock. */ + /* This runs inside the BQL. */ SaveStateHandler *save_state; /* @@ -30,7 +30,7 @@ typedef struct SaveVMHandlers { int (*save_live_complete_postcopy)(QEMUFile *f, void *opaque); int (*save_live_complete_precopy)(QEMUFile *f, void *opaque); - /* This runs both outside and inside the iothread lock. */ + /* This runs both outside and inside the BQL. */ bool (*is_active)(void *opaque); bool (*has_postcopy)(void *opaque); @@ -43,14 +43,14 @@ typedef struct SaveVMHandlers { */ bool (*is_active_iterate)(void *opaque); - /* This runs outside the iothread lock in the migration case, and + /* This runs outside the BQL in the migration case, and * within the lock in the savevm case. The callback had better only * use data that is local to the migration thread or protected * by other locks. */ int (*save_live_iterate)(QEMUFile *f, void *opaque); - /* This runs outside the iothread lock! */ + /* This runs outside the BQL! */ /* Note for save_live_pending: * must_precopy: * - must be migrated in precopy or in stopped state diff --git a/include/migration/snapshot.h b/include/migration/snapshot.h index e72083b117..9e4dcaaa75 100644 --- a/include/migration/snapshot.h +++ b/include/migration/snapshot.h @@ -16,6 +16,7 @@ #define QEMU_MIGRATION_SNAPSHOT_H #include "qapi/qapi-builtin-types.h" +#include "qapi/qapi-types-run-state.h" /** * save_snapshot: Save an internal snapshot. @@ -61,4 +62,10 @@ bool delete_snapshot(const char *name, bool has_devices, strList *devices, Error **errp); +/** + * load_snapshot_resume: Restore runstate after loading snapshot. + * @state: state to restore + */ +void load_snapshot_resume(RunState state); + #endif diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h index 9821918631..294d2d8486 100644 --- a/include/migration/vmstate.h +++ b/include/migration/vmstate.h @@ -209,7 +209,7 @@ struct VMStateDescription { bool (*dev_unplug_pending)(void *opaque); const VMStateField *fields; - const VMStateDescription **subsections; + const VMStateDescription * const *subsections; }; extern const VMStateInfo vmstate_info_bool; diff --git a/include/qemu/coroutine-core.h b/include/qemu/coroutine-core.h index 230bb56517..503bad6e0e 100644 --- a/include/qemu/coroutine-core.h +++ b/include/qemu/coroutine-core.h @@ -22,7 +22,7 @@ * rather than callbacks, for operations that need to give up control while * waiting for events to complete. * - * These functions are re-entrant and may be used outside the global mutex. + * These functions are re-entrant and may be used outside the BQL. * * Functions that execute in coroutine context cannot be called * directly from normal functions. Use @coroutine_fn to mark such diff --git a/include/qemu/coroutine.h b/include/qemu/coroutine.h index a65be6697f..e6aff45301 100644 --- a/include/qemu/coroutine.h +++ b/include/qemu/coroutine.h @@ -26,7 +26,7 @@ * rather than callbacks, for operations that need to give up control while * waiting for events to complete. * - * These functions are re-entrant and may be used outside the global mutex. + * These functions are re-entrant and may be used outside the BQL. * * Functions that execute in coroutine context cannot be called * directly from normal functions. Use @coroutine_fn to mark such diff --git a/include/qemu/fifo8.h b/include/qemu/fifo8.h index 16be02f361..c6295c6ff0 100644 --- a/include/qemu/fifo8.h +++ b/include/qemu/fifo8.h @@ -71,7 +71,7 @@ uint8_t fifo8_pop(Fifo8 *fifo); * fifo8_pop_buf: * @fifo: FIFO to pop from * @max: maximum number of bytes to pop - * @num: actual number of returned bytes + * @numptr: pointer filled with number of bytes returned (can be NULL) * * Pop a number of elements from the FIFO up to a maximum of max. The buffer * containing the popped data is returned. This buffer points directly into @@ -82,16 +82,43 @@ uint8_t fifo8_pop(Fifo8 *fifo); * around in the ring buffer; in this case only a contiguous part of the data * is returned. * - * The number of valid bytes returned is populated in *num; will always return - * at least 1 byte. max must not be 0 or greater than the number of bytes in - * the FIFO. + * The number of valid bytes returned is populated in *numptr; will always + * return at least 1 byte. max must not be 0 or greater than the number of + * bytes in the FIFO. * * Clients are responsible for checking the availability of requested data * using fifo8_num_used(). * * Returns: A pointer to popped data. */ -const uint8_t *fifo8_pop_buf(Fifo8 *fifo, uint32_t max, uint32_t *num); +const uint8_t *fifo8_pop_buf(Fifo8 *fifo, uint32_t max, uint32_t *numptr); + +/** + * fifo8_peek_buf: read upto max bytes from the fifo + * @fifo: FIFO to read from + * @max: maximum number of bytes to peek + * @numptr: pointer filled with number of bytes returned (can be NULL) + * + * Peek into a number of elements from the FIFO up to a maximum of max. + * The buffer containing the data peeked into is returned. This buffer points + * directly into the FIFO backing store. Since data is invalidated once any + * of the fifo8_* APIs are called on the FIFO, it is the caller responsibility + * to access it before doing further API calls. + * + * The function may return fewer bytes than requested when the data wraps + * around in the ring buffer; in this case only a contiguous part of the data + * is returned. + * + * The number of valid bytes returned is populated in *numptr; will always + * return at least 1 byte. max must not be 0 or greater than the number of + * bytes in the FIFO. + * + * Clients are responsible for checking the availability of requested data + * using fifo8_num_used(). + * + * Returns: A pointer to peekable data. + */ +const uint8_t *fifo8_peek_buf(Fifo8 *fifo, uint32_t max, uint32_t *numptr); /** * fifo8_reset: diff --git a/include/qemu/main-loop.h b/include/qemu/main-loop.h index 68e70e61aa..5764db157c 100644 --- a/include/qemu/main-loop.h +++ b/include/qemu/main-loop.h @@ -248,19 +248,19 @@ GSource *iohandler_get_g_source(void); AioContext *iohandler_get_aio_context(void); /** - * qemu_mutex_iothread_locked: Return lock status of the main loop mutex. + * bql_locked: Return lock status of the Big QEMU Lock (BQL) * - * The main loop mutex is the coarsest lock in QEMU, and as such it + * The Big QEMU Lock (BQL) is the coarsest lock in QEMU, and as such it * must always be taken outside other locks. This function helps * functions take different paths depending on whether the current - * thread is running within the main loop mutex. + * thread is running within the BQL. * * This function should never be used in the block layer, because * unit tests, block layer tools and qemu-storage-daemon do not * have a BQL. * Please instead refer to qemu_in_main_thread(). */ -bool qemu_mutex_iothread_locked(void); +bool bql_locked(void); /** * qemu_in_main_thread: return whether it's possible to safely access @@ -312,78 +312,76 @@ bool qemu_in_main_thread(void); } while (0) /** - * qemu_mutex_lock_iothread: Lock the main loop mutex. + * bql_lock: Lock the Big QEMU Lock (BQL). * - * This function locks the main loop mutex. The mutex is taken by + * This function locks the Big QEMU Lock (BQL). The lock is taken by * main() in vl.c and always taken except while waiting on - * external events (such as with select). The mutex should be taken + * external events (such as with select). The lock should be taken * by threads other than the main loop thread when calling * qemu_bh_new(), qemu_set_fd_handler() and basically all other * functions documented in this file. * - * NOTE: tools currently are single-threaded and qemu_mutex_lock_iothread + * NOTE: tools currently are single-threaded and bql_lock * is a no-op there. */ -#define qemu_mutex_lock_iothread() \ - qemu_mutex_lock_iothread_impl(__FILE__, __LINE__) -void qemu_mutex_lock_iothread_impl(const char *file, int line); +#define bql_lock() bql_lock_impl(__FILE__, __LINE__) +void bql_lock_impl(const char *file, int line); /** - * qemu_mutex_unlock_iothread: Unlock the main loop mutex. + * bql_unlock: Unlock the Big QEMU Lock (BQL). * - * This function unlocks the main loop mutex. The mutex is taken by + * This function unlocks the Big QEMU Lock. The lock is taken by * main() in vl.c and always taken except while waiting on - * external events (such as with select). The mutex should be unlocked + * external events (such as with select). The lock should be unlocked * as soon as possible by threads other than the main loop thread, * because it prevents the main loop from processing callbacks, * including timers and bottom halves. * - * NOTE: tools currently are single-threaded and qemu_mutex_unlock_iothread + * NOTE: tools currently are single-threaded and bql_unlock * is a no-op there. */ -void qemu_mutex_unlock_iothread(void); +void bql_unlock(void); /** - * QEMU_IOTHREAD_LOCK_GUARD + * BQL_LOCK_GUARD * - * Wrap a block of code in a conditional qemu_mutex_{lock,unlock}_iothread. + * Wrap a block of code in a conditional bql_{lock,unlock}. */ -typedef struct IOThreadLockAuto IOThreadLockAuto; +typedef struct BQLLockAuto BQLLockAuto; -static inline IOThreadLockAuto *qemu_iothread_auto_lock(const char *file, - int line) +static inline BQLLockAuto *bql_auto_lock(const char *file, int line) { - if (qemu_mutex_iothread_locked()) { + if (bql_locked()) { return NULL; } - qemu_mutex_lock_iothread_impl(file, line); + bql_lock_impl(file, line); /* Anything non-NULL causes the cleanup function to be called */ - return (IOThreadLockAuto *)(uintptr_t)1; + return (BQLLockAuto *)(uintptr_t)1; } -static inline void qemu_iothread_auto_unlock(IOThreadLockAuto *l) +static inline void bql_auto_unlock(BQLLockAuto *l) { - qemu_mutex_unlock_iothread(); + bql_unlock(); } -G_DEFINE_AUTOPTR_CLEANUP_FUNC(IOThreadLockAuto, qemu_iothread_auto_unlock) +G_DEFINE_AUTOPTR_CLEANUP_FUNC(BQLLockAuto, bql_auto_unlock) -#define QEMU_IOTHREAD_LOCK_GUARD() \ - g_autoptr(IOThreadLockAuto) _iothread_lock_auto __attribute__((unused)) \ - = qemu_iothread_auto_lock(__FILE__, __LINE__) +#define BQL_LOCK_GUARD() \ + g_autoptr(BQLLockAuto) _bql_lock_auto __attribute__((unused)) \ + = bql_auto_lock(__FILE__, __LINE__) /* - * qemu_cond_wait_iothread: Wait on condition for the main loop mutex + * qemu_cond_wait_bql: Wait on condition for the Big QEMU Lock (BQL) * - * This function atomically releases the main loop mutex and causes + * This function atomically releases the Big QEMU Lock (BQL) and causes * the calling thread to block on the condition. */ -void qemu_cond_wait_iothread(QemuCond *cond); +void qemu_cond_wait_bql(QemuCond *cond); /* - * qemu_cond_timedwait_iothread: like the previous, but with timeout + * qemu_cond_timedwait_bql: like the previous, but with timeout */ -void qemu_cond_timedwait_iothread(QemuCond *cond, int ms); +void qemu_cond_timedwait_bql(QemuCond *cond, int ms); /* internal interfaces */ diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index d30ba73eda..9a405bed89 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -678,8 +678,10 @@ typedef struct ThreadContext ThreadContext; * memory area starting at @area with the size of @sz. After a successful call, * each page in the area was faulted in writable at least once, for example, * after allocating file blocks for mapped files. + * + * Return: true on success, else false setting @errp with error. */ -void qemu_prealloc_mem(int fd, char *area, size_t sz, int max_threads, +bool qemu_prealloc_mem(int fd, char *area, size_t sz, int max_threads, ThreadContext *tc, Error **errp); /** @@ -779,16 +781,6 @@ static inline int platform_does_not_support_system(const char *command) } #endif /* !HAVE_SYSTEM_FUNCTION */ -/** - * If the load average was unobtainable, -1 is returned - */ -#ifndef HAVE_GETLOADAVG_FUNCTION -static inline int getloadavg(double loadavg[], int nelem) -{ - return -1; -} -#endif /* !HAVE_GETLOADAVG_FUNCTION */ - #ifdef __cplusplus } #endif diff --git a/include/qemu/thread.h b/include/qemu/thread.h index dd3822d7ce..fb74e21c08 100644 --- a/include/qemu/thread.h +++ b/include/qemu/thread.h @@ -47,7 +47,7 @@ typedef void (*QemuCondWaitFunc)(QemuCond *c, QemuMutex *m, const char *f, typedef bool (*QemuCondTimedWaitFunc)(QemuCond *c, QemuMutex *m, int ms, const char *f, int l); -extern QemuMutexLockFunc qemu_bql_mutex_lock_func; +extern QemuMutexLockFunc bql_mutex_lock_func; extern QemuMutexLockFunc qemu_mutex_lock_func; extern QemuMutexTrylockFunc qemu_mutex_trylock_func; extern QemuRecMutexLockFunc qemu_rec_mutex_lock_func; diff --git a/include/standard-headers/drm/drm_fourcc.h b/include/standard-headers/drm/drm_fourcc.h index 72279f4d25..3afb70160f 100644 --- a/include/standard-headers/drm/drm_fourcc.h +++ b/include/standard-headers/drm/drm_fourcc.h @@ -322,6 +322,8 @@ extern "C" { * index 1 = Cr:Cb plane, [39:0] Cr1:Cb1:Cr0:Cb0 little endian */ #define DRM_FORMAT_NV15 fourcc_code('N', 'V', '1', '5') /* 2x2 subsampled Cr:Cb plane */ +#define DRM_FORMAT_NV20 fourcc_code('N', 'V', '2', '0') /* 2x1 subsampled Cr:Cb plane */ +#define DRM_FORMAT_NV30 fourcc_code('N', 'V', '3', '0') /* non-subsampled Cr:Cb plane */ /* * 2 plane YCbCr MSB aligned diff --git a/include/standard-headers/linux/fuse.h b/include/standard-headers/linux/fuse.h index 6b9793842c..fc0dcd10ae 100644 --- a/include/standard-headers/linux/fuse.h +++ b/include/standard-headers/linux/fuse.h @@ -209,7 +209,7 @@ * - add FUSE_HAS_EXPIRE_ONLY * * 7.39 - * - add FUSE_DIRECT_IO_RELAX + * - add FUSE_DIRECT_IO_ALLOW_MMAP * - add FUSE_STATX and related structures */ @@ -405,8 +405,7 @@ struct fuse_file_lock { * FUSE_CREATE_SUPP_GROUP: add supplementary group info to create, mkdir, * symlink and mknod (single group that matches parent) * FUSE_HAS_EXPIRE_ONLY: kernel supports expiry-only entry invalidation - * FUSE_DIRECT_IO_RELAX: relax restrictions in FOPEN_DIRECT_IO mode, for now - * allow shared mmap + * FUSE_DIRECT_IO_ALLOW_MMAP: allow shared mmap in FOPEN_DIRECT_IO mode. */ #define FUSE_ASYNC_READ (1 << 0) #define FUSE_POSIX_LOCKS (1 << 1) @@ -445,7 +444,10 @@ struct fuse_file_lock { #define FUSE_HAS_INODE_DAX (1ULL << 33) #define FUSE_CREATE_SUPP_GROUP (1ULL << 34) #define FUSE_HAS_EXPIRE_ONLY (1ULL << 35) -#define FUSE_DIRECT_IO_RELAX (1ULL << 36) +#define FUSE_DIRECT_IO_ALLOW_MMAP (1ULL << 36) + +/* Obsolete alias for FUSE_DIRECT_IO_ALLOW_MMAP */ +#define FUSE_DIRECT_IO_RELAX FUSE_DIRECT_IO_ALLOW_MMAP /** * CUSE INIT request/reply flags diff --git a/include/standard-headers/linux/pci_regs.h b/include/standard-headers/linux/pci_regs.h index e5f558d964..a39193213f 100644 --- a/include/standard-headers/linux/pci_regs.h +++ b/include/standard-headers/linux/pci_regs.h @@ -80,6 +80,7 @@ #define PCI_HEADER_TYPE_NORMAL 0 #define PCI_HEADER_TYPE_BRIDGE 1 #define PCI_HEADER_TYPE_CARDBUS 2 +#define PCI_HEADER_TYPE_MFD 0x80 /* Multi-Function Device (possible) */ #define PCI_BIST 0x0f /* 8 bits */ #define PCI_BIST_CODE_MASK 0x0f /* Return result */ @@ -637,6 +638,7 @@ #define PCI_EXP_RTCAP 0x1e /* Root Capabilities */ #define PCI_EXP_RTCAP_CRSVIS 0x0001 /* CRS Software Visibility capability */ #define PCI_EXP_RTSTA 0x20 /* Root Status */ +#define PCI_EXP_RTSTA_PME_RQ_ID 0x0000ffff /* PME Requester ID */ #define PCI_EXP_RTSTA_PME 0x00010000 /* PME status */ #define PCI_EXP_RTSTA_PENDING 0x00020000 /* PME pending */ /* @@ -930,12 +932,13 @@ /* Process Address Space ID */ #define PCI_PASID_CAP 0x04 /* PASID feature register */ -#define PCI_PASID_CAP_EXEC 0x02 /* Exec permissions Supported */ -#define PCI_PASID_CAP_PRIV 0x04 /* Privilege Mode Supported */ +#define PCI_PASID_CAP_EXEC 0x0002 /* Exec permissions Supported */ +#define PCI_PASID_CAP_PRIV 0x0004 /* Privilege Mode Supported */ +#define PCI_PASID_CAP_WIDTH 0x1f00 #define PCI_PASID_CTRL 0x06 /* PASID control register */ -#define PCI_PASID_CTRL_ENABLE 0x01 /* Enable bit */ -#define PCI_PASID_CTRL_EXEC 0x02 /* Exec permissions Enable */ -#define PCI_PASID_CTRL_PRIV 0x04 /* Privilege Mode Enable */ +#define PCI_PASID_CTRL_ENABLE 0x0001 /* Enable bit */ +#define PCI_PASID_CTRL_EXEC 0x0002 /* Exec permissions Enable */ +#define PCI_PASID_CTRL_PRIV 0x0004 /* Privilege Mode Enable */ #define PCI_EXT_CAP_PASID_SIZEOF 8 /* Single Root I/O Virtualization */ @@ -975,6 +978,8 @@ #define PCI_LTR_VALUE_MASK 0x000003ff #define PCI_LTR_SCALE_MASK 0x00001c00 #define PCI_LTR_SCALE_SHIFT 10 +#define PCI_LTR_NOSNOOP_VALUE 0x03ff0000 /* Max No-Snoop Latency Value */ +#define PCI_LTR_NOSNOOP_SCALE 0x1c000000 /* Scale for Max Value */ #define PCI_EXT_CAP_LTR_SIZEOF 8 /* Access Control Service */ @@ -1042,9 +1047,16 @@ #define PCI_EXP_DPC_STATUS 0x08 /* DPC Status */ #define PCI_EXP_DPC_STATUS_TRIGGER 0x0001 /* Trigger Status */ #define PCI_EXP_DPC_STATUS_TRIGGER_RSN 0x0006 /* Trigger Reason */ +#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_UNCOR 0x0000 /* Uncorrectable error */ +#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_NFE 0x0002 /* Rcvd ERR_NONFATAL */ +#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_FE 0x0004 /* Rcvd ERR_FATAL */ +#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_IN_EXT 0x0006 /* Reason in Trig Reason Extension field */ #define PCI_EXP_DPC_STATUS_INTERRUPT 0x0008 /* Interrupt Status */ #define PCI_EXP_DPC_RP_BUSY 0x0010 /* Root Port Busy */ #define PCI_EXP_DPC_STATUS_TRIGGER_RSN_EXT 0x0060 /* Trig Reason Extension */ +#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_RP_PIO 0x0000 /* RP PIO error */ +#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_SW_TRIGGER 0x0020 /* DPC SW Trigger bit */ +#define PCI_EXP_DPC_RP_PIO_FEP 0x1f00 /* RP PIO First Err Ptr */ #define PCI_EXP_DPC_SOURCE_ID 0x0A /* DPC Source Identifier */ @@ -1088,6 +1100,8 @@ #define PCI_L1SS_CTL1_LTR_L12_TH_VALUE 0x03ff0000 /* LTR_L1.2_THRESHOLD_Value */ #define PCI_L1SS_CTL1_LTR_L12_TH_SCALE 0xe0000000 /* LTR_L1.2_THRESHOLD_Scale */ #define PCI_L1SS_CTL2 0x0c /* Control 2 Register */ +#define PCI_L1SS_CTL2_T_PWR_ON_SCALE 0x00000003 /* T_POWER_ON Scale */ +#define PCI_L1SS_CTL2_T_PWR_ON_VALUE 0x000000f8 /* T_POWER_ON Value */ /* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */ #define PCI_DVSEC_HEADER1 0x4 /* Designated Vendor-Specific Header1 */ diff --git a/include/standard-headers/linux/vhost_types.h b/include/standard-headers/linux/vhost_types.h index 5ad07e134a..fd54044936 100644 --- a/include/standard-headers/linux/vhost_types.h +++ b/include/standard-headers/linux/vhost_types.h @@ -185,5 +185,12 @@ struct vhost_vdpa_iova_range { * DRIVER_OK */ #define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK 0x6 +/* Device may expose the virtqueue's descriptor area, driver area and + * device area to a different group for ASID binding than where its + * buffers may reside. Requires VHOST_BACKEND_F_IOTLB_ASID. + */ +#define VHOST_BACKEND_F_DESC_ASID 0x7 +/* IOTLB don't flush memory mapping across device reset */ +#define VHOST_BACKEND_F_IOTLB_PERSIST 0x8 #endif diff --git a/include/standard-headers/linux/virtio_config.h b/include/standard-headers/linux/virtio_config.h index 8a7d0dc8b0..bfd1ca643e 100644 --- a/include/standard-headers/linux/virtio_config.h +++ b/include/standard-headers/linux/virtio_config.h @@ -103,6 +103,11 @@ */ #define VIRTIO_F_NOTIFICATION_DATA 38 +/* This feature indicates that the driver uses the data provided by the device + * as a virtqueue identifier in available buffer notifications. + */ +#define VIRTIO_F_NOTIF_CONFIG_DATA 39 + /* * This feature indicates that the driver can reset a queue individually. */ diff --git a/include/standard-headers/linux/virtio_pci.h b/include/standard-headers/linux/virtio_pci.h index be912cfc95..b7fdfd0668 100644 --- a/include/standard-headers/linux/virtio_pci.h +++ b/include/standard-headers/linux/virtio_pci.h @@ -166,6 +166,17 @@ struct virtio_pci_common_cfg { uint32_t queue_used_hi; /* read-write */ }; +/* + * Warning: do not use sizeof on this: use offsetofend for + * specific fields you need. + */ +struct virtio_pci_modern_common_cfg { + struct virtio_pci_common_cfg cfg; + + uint16_t queue_notify_data; /* read-write */ + uint16_t queue_reset; /* read-write */ +}; + /* Fields in VIRTIO_PCI_CAP_PCI_CFG: */ struct virtio_pci_cfg_cap { struct virtio_pci_cap cap; diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h index 39326f1d4f..0e411aaa29 100644 --- a/include/sysemu/hostmem.h +++ b/include/sysemu/hostmem.h @@ -47,7 +47,15 @@ OBJECT_DECLARE_TYPE(HostMemoryBackend, HostMemoryBackendClass, struct HostMemoryBackendClass { ObjectClass parent_class; - void (*alloc)(HostMemoryBackend *backend, Error **errp); + /** + * alloc: Allocate memory from backend. + * + * @backend: the #HostMemoryBackend. + * @errp: pointer to Error*, to store an error if it happens. + * + * Return: true on success, else false setting @errp with error. + */ + bool (*alloc)(HostMemoryBackend *backend, Error **errp); }; /** diff --git a/include/sysemu/iommufd.h b/include/sysemu/iommufd.h index 9c5524b0ed..9af27ebd6c 100644 --- a/include/sysemu/iommufd.h +++ b/include/sysemu/iommufd.h @@ -2,7 +2,6 @@ #define SYSEMU_IOMMUFD_H #include "qom/object.h" -#include "qemu/thread.h" #include "exec/hwaddr.h" #include "exec/cpu-common.h" @@ -19,7 +18,6 @@ struct IOMMUFDBackend { /*< protected >*/ int fd; /* /dev/iommu file descriptor */ bool owned; /* is the /dev/iommu opened internally */ - QemuMutex lock; uint32_t users; /*< public >*/ diff --git a/include/sysemu/replay.h b/include/sysemu/replay.h index 08aae5869f..83995ae4bd 100644 --- a/include/sysemu/replay.h +++ b/include/sysemu/replay.h @@ -70,6 +70,11 @@ int replay_get_instructions(void); /*! Updates instructions counter in replay mode. */ void replay_account_executed_instructions(void); +/** + * replay_can_wait: check if we should pause for wait-io + */ +bool replay_can_wait(void); + /* Processing clocks and other time sources */ /*! Save the specified clock */ diff --git a/include/sysemu/runstate.h b/include/sysemu/runstate.h index c8c2bd8a61..0117d243c4 100644 --- a/include/sysemu/runstate.h +++ b/include/sysemu/runstate.h @@ -40,6 +40,15 @@ static inline bool shutdown_caused_by_guest(ShutdownCause cause) return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN; } +/* + * In a "live" state, the vcpu clock is ticking, and the runstate notifiers + * think we are running. + */ +static inline bool runstate_is_live(RunState state) +{ + return state == RUN_STATE_RUNNING || state == RUN_STATE_SUSPENDED; +} + void vm_start(void); /** @@ -48,9 +57,20 @@ void vm_start(void); * @step_pending: whether any of the CPUs is about to be single-stepped by gdb */ int vm_prepare_start(bool step_pending); + +/** + * vm_resume: If @state is a live state, start the vm and set the state, + * else just set the state. + * + * @state: the state to restore + */ +void vm_resume(RunState state); + int vm_stop(RunState state); int vm_stop_force_state(RunState state); int vm_shutdown(void); +void vm_set_suspended(bool suspended); +bool vm_get_suspended(void); typedef enum WakeupReason { /* Always keep QEMU_WAKEUP_REASON_NONE = 0 */ |