430 lines
10 KiB
C
430 lines
10 KiB
C
/*
|
|
* Structure definitions for HVM state that is held by Xen and must
|
|
* be saved along with the domain's memory and device-model state.
|
|
*
|
|
* Copyright (c) 2007 XenSource Ltd.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to
|
|
* deal in the Software without restriction, including without limitation the
|
|
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
* sell copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef __XEN_PUBLIC_HVM_SAVE_X86_H__
|
|
#define __XEN_PUBLIC_HVM_SAVE_X86_H__
|
|
|
|
/*
|
|
* Save/restore header: general info about the save file.
|
|
*/
|
|
|
|
#define HVM_FILE_MAGIC 0x54381286
|
|
#define HVM_FILE_VERSION 0x00000001
|
|
|
|
struct hvm_save_header {
|
|
uint32_t magic; /* Must be HVM_FILE_MAGIC */
|
|
uint32_t version; /* File format version */
|
|
uint64_t changeset; /* Version of Xen that saved this file */
|
|
uint32_t cpuid; /* CPUID[0x01][%eax] on the saving machine */
|
|
uint32_t pad0;
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(HEADER, 1, struct hvm_save_header);
|
|
|
|
|
|
/*
|
|
* Processor
|
|
*/
|
|
|
|
struct hvm_hw_cpu {
|
|
uint8_t fpu_regs[512];
|
|
|
|
uint64_t rax;
|
|
uint64_t rbx;
|
|
uint64_t rcx;
|
|
uint64_t rdx;
|
|
uint64_t rbp;
|
|
uint64_t rsi;
|
|
uint64_t rdi;
|
|
uint64_t rsp;
|
|
uint64_t r8;
|
|
uint64_t r9;
|
|
uint64_t r10;
|
|
uint64_t r11;
|
|
uint64_t r12;
|
|
uint64_t r13;
|
|
uint64_t r14;
|
|
uint64_t r15;
|
|
|
|
uint64_t rip;
|
|
uint64_t rflags;
|
|
|
|
uint64_t cr0;
|
|
uint64_t cr2;
|
|
uint64_t cr3;
|
|
uint64_t cr4;
|
|
|
|
uint64_t dr0;
|
|
uint64_t dr1;
|
|
uint64_t dr2;
|
|
uint64_t dr3;
|
|
uint64_t dr6;
|
|
uint64_t dr7;
|
|
|
|
uint32_t cs_sel;
|
|
uint32_t ds_sel;
|
|
uint32_t es_sel;
|
|
uint32_t fs_sel;
|
|
uint32_t gs_sel;
|
|
uint32_t ss_sel;
|
|
uint32_t tr_sel;
|
|
uint32_t ldtr_sel;
|
|
|
|
uint32_t cs_limit;
|
|
uint32_t ds_limit;
|
|
uint32_t es_limit;
|
|
uint32_t fs_limit;
|
|
uint32_t gs_limit;
|
|
uint32_t ss_limit;
|
|
uint32_t tr_limit;
|
|
uint32_t ldtr_limit;
|
|
uint32_t idtr_limit;
|
|
uint32_t gdtr_limit;
|
|
|
|
uint64_t cs_base;
|
|
uint64_t ds_base;
|
|
uint64_t es_base;
|
|
uint64_t fs_base;
|
|
uint64_t gs_base;
|
|
uint64_t ss_base;
|
|
uint64_t tr_base;
|
|
uint64_t ldtr_base;
|
|
uint64_t idtr_base;
|
|
uint64_t gdtr_base;
|
|
|
|
uint32_t cs_arbytes;
|
|
uint32_t ds_arbytes;
|
|
uint32_t es_arbytes;
|
|
uint32_t fs_arbytes;
|
|
uint32_t gs_arbytes;
|
|
uint32_t ss_arbytes;
|
|
uint32_t tr_arbytes;
|
|
uint32_t ldtr_arbytes;
|
|
|
|
uint32_t sysenter_cs;
|
|
uint32_t padding0;
|
|
|
|
uint64_t sysenter_esp;
|
|
uint64_t sysenter_eip;
|
|
|
|
/* msr for em64t */
|
|
uint64_t shadow_gs;
|
|
|
|
/* msr content saved/restored. */
|
|
uint64_t msr_flags;
|
|
uint64_t msr_lstar;
|
|
uint64_t msr_star;
|
|
uint64_t msr_cstar;
|
|
uint64_t msr_syscall_mask;
|
|
uint64_t msr_efer;
|
|
|
|
/* guest's idea of what rdtsc() would return */
|
|
uint64_t tsc;
|
|
|
|
/* pending event, if any */
|
|
union {
|
|
uint32_t pending_event;
|
|
struct {
|
|
uint8_t pending_vector:8;
|
|
uint8_t pending_type:3;
|
|
uint8_t pending_error_valid:1;
|
|
uint32_t pending_reserved:19;
|
|
uint8_t pending_valid:1;
|
|
};
|
|
};
|
|
/* error code for pending event */
|
|
uint32_t error_code;
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(CPU, 2, struct hvm_hw_cpu);
|
|
|
|
|
|
/*
|
|
* PIC
|
|
*/
|
|
|
|
struct hvm_hw_vpic {
|
|
/* IR line bitmasks. */
|
|
uint8_t irr;
|
|
uint8_t imr;
|
|
uint8_t isr;
|
|
|
|
/* Line IRx maps to IRQ irq_base+x */
|
|
uint8_t irq_base;
|
|
|
|
/*
|
|
* Where are we in ICW2-4 initialisation (0 means no init in progress)?
|
|
* Bits 0-1 (=x): Next write at A=1 sets ICW(x+1).
|
|
* Bit 2: ICW1.IC4 (1 == ICW4 included in init sequence)
|
|
* Bit 3: ICW1.SNGL (0 == ICW3 included in init sequence)
|
|
*/
|
|
uint8_t init_state:4;
|
|
|
|
/* IR line with highest priority. */
|
|
uint8_t priority_add:4;
|
|
|
|
/* Reads from A=0 obtain ISR or IRR? */
|
|
uint8_t readsel_isr:1;
|
|
|
|
/* Reads perform a polling read? */
|
|
uint8_t poll:1;
|
|
|
|
/* Automatically clear IRQs from the ISR during INTA? */
|
|
uint8_t auto_eoi:1;
|
|
|
|
/* Automatically rotate IRQ priorities during AEOI? */
|
|
uint8_t rotate_on_auto_eoi:1;
|
|
|
|
/* Exclude slave inputs when considering in-service IRQs? */
|
|
uint8_t special_fully_nested_mode:1;
|
|
|
|
/* Special mask mode excludes masked IRs from AEOI and priority checks. */
|
|
uint8_t special_mask_mode:1;
|
|
|
|
/* Is this a master PIC or slave PIC? (NB. This is not programmable.) */
|
|
uint8_t is_master:1;
|
|
|
|
/* Edge/trigger selection. */
|
|
uint8_t elcr;
|
|
|
|
/* Virtual INT output. */
|
|
uint8_t int_output;
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(PIC, 3, struct hvm_hw_vpic);
|
|
|
|
|
|
/*
|
|
* IO-APIC
|
|
*/
|
|
|
|
#ifdef __ia64__
|
|
#define VIOAPIC_IS_IOSAPIC 1
|
|
#define VIOAPIC_NUM_PINS 24
|
|
#else
|
|
#define VIOAPIC_NUM_PINS 48 /* 16 ISA IRQs, 32 non-legacy PCI IRQS. */
|
|
#endif
|
|
|
|
struct hvm_hw_vioapic {
|
|
uint64_t base_address;
|
|
uint32_t ioregsel;
|
|
uint32_t id;
|
|
union vioapic_redir_entry
|
|
{
|
|
uint64_t bits;
|
|
struct {
|
|
uint8_t vector;
|
|
uint8_t delivery_mode:3;
|
|
uint8_t dest_mode:1;
|
|
uint8_t delivery_status:1;
|
|
uint8_t polarity:1;
|
|
uint8_t remote_irr:1;
|
|
uint8_t trig_mode:1;
|
|
uint8_t mask:1;
|
|
uint8_t reserve:7;
|
|
#if !VIOAPIC_IS_IOSAPIC
|
|
uint8_t reserved[4];
|
|
uint8_t dest_id;
|
|
#else
|
|
uint8_t reserved[3];
|
|
uint16_t dest_id;
|
|
#endif
|
|
} fields;
|
|
} redirtbl[VIOAPIC_NUM_PINS];
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(IOAPIC, 4, struct hvm_hw_vioapic);
|
|
|
|
|
|
/*
|
|
* LAPIC
|
|
*/
|
|
|
|
struct hvm_hw_lapic {
|
|
uint64_t apic_base_msr;
|
|
uint32_t disabled; /* VLAPIC_xx_DISABLED */
|
|
uint32_t timer_divisor;
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(LAPIC, 5, struct hvm_hw_lapic);
|
|
|
|
struct hvm_hw_lapic_regs {
|
|
uint8_t data[1024];
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(LAPIC_REGS, 6, struct hvm_hw_lapic_regs);
|
|
|
|
|
|
/*
|
|
* IRQs
|
|
*/
|
|
|
|
struct hvm_hw_pci_irqs {
|
|
/*
|
|
* Virtual interrupt wires for a single PCI bus.
|
|
* Indexed by: device*4 + INTx#.
|
|
*/
|
|
union {
|
|
DECLARE_BITMAP(i, 32*4);
|
|
uint64_t pad[2];
|
|
};
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(PCI_IRQ, 7, struct hvm_hw_pci_irqs);
|
|
|
|
struct hvm_hw_isa_irqs {
|
|
/*
|
|
* Virtual interrupt wires for ISA devices.
|
|
* Indexed by ISA IRQ (assumes no ISA-device IRQ sharing).
|
|
*/
|
|
union {
|
|
DECLARE_BITMAP(i, 16);
|
|
uint64_t pad[1];
|
|
};
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(ISA_IRQ, 8, struct hvm_hw_isa_irqs);
|
|
|
|
struct hvm_hw_pci_link {
|
|
/*
|
|
* PCI-ISA interrupt router.
|
|
* Each PCI <device:INTx#> is 'wire-ORed' into one of four links using
|
|
* the traditional 'barber's pole' mapping ((device + INTx#) & 3).
|
|
* The router provides a programmable mapping from each link to a GSI.
|
|
*/
|
|
uint8_t route[4];
|
|
uint8_t pad0[4];
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(PCI_LINK, 9, struct hvm_hw_pci_link);
|
|
|
|
/*
|
|
* PIT
|
|
*/
|
|
|
|
struct hvm_hw_pit {
|
|
struct hvm_hw_pit_channel {
|
|
uint32_t count; /* can be 65536 */
|
|
uint16_t latched_count;
|
|
uint8_t count_latched;
|
|
uint8_t status_latched;
|
|
uint8_t status;
|
|
uint8_t read_state;
|
|
uint8_t write_state;
|
|
uint8_t write_latch;
|
|
uint8_t rw_mode;
|
|
uint8_t mode;
|
|
uint8_t bcd; /* not supported */
|
|
uint8_t gate; /* timer start */
|
|
} channels[3]; /* 3 x 16 bytes */
|
|
uint32_t speaker_data_on;
|
|
uint32_t pad0;
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(PIT, 10, struct hvm_hw_pit);
|
|
|
|
|
|
/*
|
|
* RTC
|
|
*/
|
|
|
|
#define RTC_CMOS_SIZE 14
|
|
struct hvm_hw_rtc {
|
|
/* CMOS bytes */
|
|
uint8_t cmos_data[RTC_CMOS_SIZE];
|
|
/* Index register for 2-part operations */
|
|
uint8_t cmos_index;
|
|
uint8_t pad0;
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(RTC, 11, struct hvm_hw_rtc);
|
|
|
|
|
|
/*
|
|
* HPET
|
|
*/
|
|
|
|
#define HPET_TIMER_NUM 3 /* 3 timers supported now */
|
|
struct hvm_hw_hpet {
|
|
/* Memory-mapped, software visible registers */
|
|
uint64_t capability; /* capabilities */
|
|
uint64_t res0; /* reserved */
|
|
uint64_t config; /* configuration */
|
|
uint64_t res1; /* reserved */
|
|
uint64_t isr; /* interrupt status reg */
|
|
uint64_t res2[25]; /* reserved */
|
|
uint64_t mc64; /* main counter */
|
|
uint64_t res3; /* reserved */
|
|
struct { /* timers */
|
|
uint64_t config; /* configuration/cap */
|
|
uint64_t cmp; /* comparator */
|
|
uint64_t fsb; /* FSB route, not supported now */
|
|
uint64_t res4; /* reserved */
|
|
} timers[HPET_TIMER_NUM];
|
|
uint64_t res5[4*(24-HPET_TIMER_NUM)]; /* reserved, up to 0x3ff */
|
|
|
|
/* Hidden register state */
|
|
uint64_t period[HPET_TIMER_NUM]; /* Last value written to comparator */
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(HPET, 12, struct hvm_hw_hpet);
|
|
|
|
|
|
/*
|
|
* PM timer
|
|
*/
|
|
|
|
struct hvm_hw_pmtimer {
|
|
uint32_t tmr_val; /* PM_TMR_BLK.TMR_VAL: 32bit free-running counter */
|
|
uint16_t pm1a_sts; /* PM1a_EVT_BLK.PM1a_STS: status register */
|
|
uint16_t pm1a_en; /* PM1a_EVT_BLK.PM1a_EN: enable register */
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(PMTIMER, 13, struct hvm_hw_pmtimer);
|
|
|
|
/*
|
|
* MTRR MSRs
|
|
*/
|
|
|
|
struct hvm_hw_mtrr {
|
|
#define MTRR_VCNT 8
|
|
#define NUM_FIXED_MSR 11
|
|
uint64_t msr_pat_cr;
|
|
/* mtrr physbase & physmask msr pair*/
|
|
uint64_t msr_mtrr_var[MTRR_VCNT*2];
|
|
uint64_t msr_mtrr_fixed[NUM_FIXED_MSR];
|
|
uint64_t msr_mtrr_cap;
|
|
uint64_t msr_mtrr_def_type;
|
|
};
|
|
|
|
DECLARE_HVM_SAVE_TYPE(MTRR, 14, struct hvm_hw_mtrr);
|
|
|
|
/*
|
|
* Largest type-code in use
|
|
*/
|
|
#define HVM_SAVE_CODE_MAX 14
|
|
|
|
#endif /* __XEN_PUBLIC_HVM_SAVE_X86_H__ */
|