a52a7fdfa7
Add Intel IOMMU emulation to q35 chipset and expose it to the guest. 1. Add a machine option. Users can use "-machine iommu=on|off" in the command line to enable/disable Intel IOMMU. The default is off. 2. Accroding to the machine option, q35 will initialize the Intel IOMMU and use pci_setup_iommu() to setup q35_host_dma_iommu() as the IOMMU function for the pci bus. 3. q35_host_dma_iommu() will return different address space according to the bus_num and devfn of the device. Signed-off-by: Le Tan <tamlokveer@gmail.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
139 lines
3.5 KiB
C
139 lines
3.5 KiB
C
/* Declarations for use by board files for creating devices. */
|
|
|
|
#ifndef HW_BOARDS_H
|
|
#define HW_BOARDS_H
|
|
|
|
#include "qemu/typedefs.h"
|
|
#include "sysemu/blockdev.h"
|
|
#include "hw/qdev.h"
|
|
#include "qom/object.h"
|
|
|
|
|
|
typedef struct MachineState MachineState;
|
|
|
|
typedef void QEMUMachineInitFunc(MachineState *ms);
|
|
|
|
typedef void QEMUMachineResetFunc(void);
|
|
|
|
typedef void QEMUMachineHotAddCPUFunc(const int64_t id, Error **errp);
|
|
|
|
typedef int QEMUMachineGetKvmtypeFunc(const char *arg);
|
|
|
|
struct QEMUMachine {
|
|
const char *name;
|
|
const char *alias;
|
|
const char *desc;
|
|
QEMUMachineInitFunc *init;
|
|
QEMUMachineResetFunc *reset;
|
|
QEMUMachineHotAddCPUFunc *hot_add_cpu;
|
|
QEMUMachineGetKvmtypeFunc *kvm_type;
|
|
BlockInterfaceType block_default_type;
|
|
int max_cpus;
|
|
unsigned int no_serial:1,
|
|
no_parallel:1,
|
|
use_virtcon:1,
|
|
use_sclp:1,
|
|
no_floppy:1,
|
|
no_cdrom:1,
|
|
no_sdcard:1;
|
|
int is_default;
|
|
const char *default_machine_opts;
|
|
const char *default_boot_order;
|
|
GlobalProperty *compat_props;
|
|
const char *hw_version;
|
|
};
|
|
|
|
void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
|
|
const char *name,
|
|
uint64_t ram_size);
|
|
|
|
int qemu_register_machine(QEMUMachine *m);
|
|
|
|
#define TYPE_MACHINE_SUFFIX "-machine"
|
|
#define TYPE_MACHINE "machine"
|
|
#undef MACHINE /* BSD defines it and QEMU does not use it */
|
|
#define MACHINE(obj) \
|
|
OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE)
|
|
#define MACHINE_GET_CLASS(obj) \
|
|
OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE)
|
|
#define MACHINE_CLASS(klass) \
|
|
OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE)
|
|
|
|
MachineClass *find_default_machine(void);
|
|
extern MachineState *current_machine;
|
|
|
|
/**
|
|
* MachineClass:
|
|
* @qemu_machine: #QEMUMachine
|
|
* @get_hotplug_handler: this function is called during bus-less
|
|
* device hotplug. If defined it returns pointer to an instance
|
|
* of HotplugHandler object, which handles hotplug operation
|
|
* for a given @dev. It may return NULL if @dev doesn't require
|
|
* any actions to be performed by hotplug handler.
|
|
*/
|
|
struct MachineClass {
|
|
/*< private >*/
|
|
ObjectClass parent_class;
|
|
/*< public >*/
|
|
|
|
const char *name;
|
|
const char *alias;
|
|
const char *desc;
|
|
|
|
void (*init)(MachineState *state);
|
|
void (*reset)(void);
|
|
void (*hot_add_cpu)(const int64_t id, Error **errp);
|
|
int (*kvm_type)(const char *arg);
|
|
|
|
BlockInterfaceType block_default_type;
|
|
int max_cpus;
|
|
unsigned int no_serial:1,
|
|
no_parallel:1,
|
|
use_virtcon:1,
|
|
use_sclp:1,
|
|
no_floppy:1,
|
|
no_cdrom:1,
|
|
no_sdcard:1;
|
|
int is_default;
|
|
const char *default_machine_opts;
|
|
const char *default_boot_order;
|
|
GlobalProperty *compat_props;
|
|
const char *hw_version;
|
|
|
|
HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
|
|
DeviceState *dev);
|
|
};
|
|
|
|
/**
|
|
* MachineState:
|
|
*/
|
|
struct MachineState {
|
|
/*< private >*/
|
|
Object parent_obj;
|
|
/*< public >*/
|
|
|
|
char *accel;
|
|
bool kernel_irqchip;
|
|
int kvm_shadow_mem;
|
|
char *dtb;
|
|
char *dumpdtb;
|
|
int phandle_start;
|
|
char *dt_compatible;
|
|
bool dump_guest_core;
|
|
bool mem_merge;
|
|
bool usb;
|
|
char *firmware;
|
|
bool iommu;
|
|
|
|
ram_addr_t ram_size;
|
|
ram_addr_t maxram_size;
|
|
uint64_t ram_slots;
|
|
const char *boot_order;
|
|
char *kernel_filename;
|
|
char *kernel_cmdline;
|
|
char *initrd_filename;
|
|
const char *cpu_model;
|
|
};
|
|
|
|
#endif
|