projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| f17068c1 SS |
1 | #ifndef HW_XEN_HVM_COMMON_H |
| 2 | #define HW_XEN_HVM_COMMON_H | |
| 3 | ||
| f17068c1 SS |
4 | #include "qemu/units.h" |
| 5 | ||
| 6 | #include "cpu.h" | |
| 7 | #include "hw/pci/pci.h" | |
| 8 | #include "hw/hw.h" | |
| 9 | #include "hw/xen/xen_native.h" | |
| 10 | #include "hw/xen/xen-legacy-backend.h" | |
| 11 | #include "sysemu/runstate.h" | |
| 12 | #include "sysemu/sysemu.h" | |
| 13 | #include "sysemu/xen.h" | |
| 14 | #include "sysemu/xen-mapcache.h" | |
| 15 | #include "qemu/error-report.h" | |
| 16 | #include <xen/hvm/ioreq.h> | |
| 17 | ||
| 18 | extern MemoryRegion ram_memory; | |
| 19 | extern MemoryListener xen_io_listener; | |
| 20 | extern DeviceListener xen_device_listener; | |
| 21 | ||
| 22 | //#define DEBUG_XEN_HVM | |
| 23 | ||
| 24 | #ifdef DEBUG_XEN_HVM | |
| 25 | #define DPRINTF(fmt, ...) \ | |
| 26 | do { fprintf(stderr, "xen: " fmt, ## __VA_ARGS__); } while (0) | |
| 27 | #else | |
| 28 | #define DPRINTF(fmt, ...) \ | |
| 29 | do { } while (0) | |
| 30 | #endif | |
| 31 | ||
| 32 | static inline uint32_t xen_vcpu_eport(shared_iopage_t *shared_page, int i) | |
| 33 | { | |
| 34 | return shared_page->vcpu_ioreq[i].vp_eport; | |
| 35 | } | |
| 36 | static inline ioreq_t *xen_vcpu_ioreq(shared_iopage_t *shared_page, int vcpu) | |
| 37 | { | |
| 38 | return &shared_page->vcpu_ioreq[vcpu]; | |
| 39 | } | |
| 40 | ||
| 41 | #define BUFFER_IO_MAX_DELAY 100 | |
| 42 | ||
| 43 | typedef struct XenPhysmap { | |
| 44 | hwaddr start_addr; | |
| 45 | ram_addr_t size; | |
| 46 | const char *name; | |
| 47 | hwaddr phys_offset; | |
| 48 | ||
| 49 | QLIST_ENTRY(XenPhysmap) list; | |
| 50 | } XenPhysmap; | |
| 51 | ||
| 52 | typedef struct XenPciDevice { | |
| 53 | PCIDevice *pci_dev; | |
| 54 | uint32_t sbdf; | |
| 55 | QLIST_ENTRY(XenPciDevice) entry; | |
| 56 | } XenPciDevice; | |
| 57 | ||
| 58 | typedef struct XenIOState { | |
| 59 | ioservid_t ioservid; | |
| 60 | shared_iopage_t *shared_page; | |
| 61 | buffered_iopage_t *buffered_io_page; | |
| 62 | xenforeignmemory_resource_handle *fres; | |
| 63 | QEMUTimer *buffered_io_timer; | |
| 64 | CPUState **cpu_by_vcpu_id; | |
| 65 | /* the evtchn port for polling the notification, */ | |
| 66 | evtchn_port_t *ioreq_local_port; | |
| 67 | /* evtchn remote and local ports for buffered io */ | |
| 68 | evtchn_port_t bufioreq_remote_port; | |
| 69 | evtchn_port_t bufioreq_local_port; | |
| 70 | /* the evtchn fd for polling */ | |
| 71 | xenevtchn_handle *xce_handle; | |
| 72 | /* which vcpu we are serving */ | |
| 73 | int send_vcpu; | |
| 74 | ||
| 75 | struct xs_handle *xenstore; | |
| 76 | MemoryListener memory_listener; | |
| 77 | MemoryListener io_listener; | |
| 78 | QLIST_HEAD(, XenPciDevice) dev_list; | |
| 79 | DeviceListener device_listener; | |
| 80 | ||
| 81 | Notifier exit; | |
| 82 | } XenIOState; | |
| 83 | ||
| 84 | void xen_exit_notifier(Notifier *n, void *data); | |
| 85 | ||
| 86 | void xen_region_add(MemoryListener *listener, MemoryRegionSection *section); | |
| 87 | void xen_region_del(MemoryListener *listener, MemoryRegionSection *section); | |
| 88 | void xen_io_add(MemoryListener *listener, MemoryRegionSection *section); | |
| 89 | void xen_io_del(MemoryListener *listener, MemoryRegionSection *section); | |
| 90 | void xen_device_realize(DeviceListener *listener, DeviceState *dev); | |
| 91 | void xen_device_unrealize(DeviceListener *listener, DeviceState *dev); | |
| 92 | ||
| 93 | void xen_hvm_change_state_handler(void *opaque, bool running, RunState rstate); | |
| 94 | void xen_register_ioreq(XenIOState *state, unsigned int max_cpus, | |
| bcb40db0 | 95 | const MemoryListener *xen_memory_listener); |
| f17068c1 SS |
96 | |
| 97 | void cpu_ioreq_pio(ioreq_t *req); | |
| 98 | #endif /* HW_XEN_HVM_COMMON_H */ |