arch-ia64.h

xen 3.2.2 源码

/******************************************************************************
 * arch-ia64/hypervisor-if.h
 * 
 * Guest OS interface to IA64 Xen.
 *
 * 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.
 *
 */

#include "xen.h"

#ifndef __HYPERVISOR_IF_IA64_H__
#define __HYPERVISOR_IF_IA64_H__

#if !defined(__GNUC__) || defined(__STRICT_ANSI__)
#error "Anonymous structs/unions are a GNU extension."
#endif

/* Structural guest handles introduced in 0x00030201. */
#if __XEN_INTERFACE_VERSION__ >= 0x00030201
#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \
    typedef struct { type *p; } __guest_handle_ ## name
#else
#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \
    typedef type * __guest_handle_ ## name
#endif

#define __DEFINE_XEN_GUEST_HANDLE(name, type) \
    ___DEFINE_XEN_GUEST_HANDLE(name, type)
#define DEFINE_XEN_GUEST_HANDLE(name)   __DEFINE_XEN_GUEST_HANDLE(name, name)
#define XEN_GUEST_HANDLE(name)          __guest_handle_ ## name
#define XEN_GUEST_HANDLE_64(name)       XEN_GUEST_HANDLE(name)
#define uint64_aligned_t                uint64_t
#define set_xen_guest_handle(hnd, val)  do { (hnd).p = val; } while (0)
#ifdef __XEN_TOOLS__
#define get_xen_guest_handle(val, hnd)  do { val = (hnd).p; } while (0)
#endif

#ifndef __ASSEMBLY__
/* Guest handles for primitive C types. */
__DEFINE_XEN_GUEST_HANDLE(uchar, unsigned char);
__DEFINE_XEN_GUEST_HANDLE(uint,  unsigned int);
__DEFINE_XEN_GUEST_HANDLE(ulong, unsigned long);
__DEFINE_XEN_GUEST_HANDLE(u64,   unsigned long);
DEFINE_XEN_GUEST_HANDLE(char);
DEFINE_XEN_GUEST_HANDLE(int);
DEFINE_XEN_GUEST_HANDLE(long);
DEFINE_XEN_GUEST_HANDLE(void);

typedef unsigned long xen_pfn_t;
DEFINE_XEN_GUEST_HANDLE(xen_pfn_t);
#define PRI_xen_pfn "lx"
#endif

/* Arch specific VIRQs definition */
#define VIRQ_ITC        VIRQ_ARCH_0 /* V. Virtual itc timer */
#define VIRQ_MCA_CMC    VIRQ_ARCH_1 /* MCA cmc interrupt */
#define VIRQ_MCA_CPE    VIRQ_ARCH_2 /* MCA cpe interrupt */

/* Maximum number of virtual CPUs in multi-processor guests. */
/* WARNING: before changing this, check that shared_info fits on a page */
#define MAX_VIRT_CPUS 64

#ifndef __ASSEMBLY__

typedef unsigned long xen_ulong_t;

#ifdef __XEN_TOOLS__
#define XEN_PAGE_SIZE XC_PAGE_SIZE
#else
#define XEN_PAGE_SIZE PAGE_SIZE
#endif

#define INVALID_MFN       (~0UL)

#define MEM_G   (1UL << 30)
#define MEM_M   (1UL << 20)
#define MEM_K   (1UL << 10)

/* Guest physical address of IO ports space.  */
#define IO_PORTS_PADDR          0x00000ffffc000000UL
#define IO_PORTS_SIZE           0x0000000004000000UL

#define MMIO_START       (3 * MEM_G)
#define MMIO_SIZE        (512 * MEM_M)

#define VGA_IO_START     0xA0000UL
#define VGA_IO_SIZE      0x20000

#define LEGACY_IO_START  (MMIO_START + MMIO_SIZE)
#define LEGACY_IO_SIZE   (64*MEM_M)

#define IO_PAGE_START (LEGACY_IO_START + LEGACY_IO_SIZE)
#define IO_PAGE_SIZE  XEN_PAGE_SIZE

#define STORE_PAGE_START (IO_PAGE_START + IO_PAGE_SIZE)
#define STORE_PAGE_SIZE  XEN_PAGE_SIZE

#define BUFFER_IO_PAGE_START (STORE_PAGE_START + STORE_PAGE_SIZE)
#define BUFFER_IO_PAGE_SIZE  XEN_PAGE_SIZE

#define BUFFER_PIO_PAGE_START (BUFFER_IO_PAGE_START + BUFFER_IO_PAGE_SIZE)
#define BUFFER_PIO_PAGE_SIZE  XEN_PAGE_SIZE

#define IO_SAPIC_START   0xfec00000UL
#define IO_SAPIC_SIZE    0x100000

#define PIB_START 0xfee00000UL
#define PIB_SIZE 0x200000

#define GFW_START        (4*MEM_G -16*MEM_M)
#define GFW_SIZE         (16*MEM_M)

/* Nvram belongs to GFW memory space  */
#define NVRAM_SIZE       (MEM_K * 64)
#define NVRAM_START      (GFW_START + 10 * MEM_M)

#define NVRAM_VALID_SIG 0x4650494e45584948 		// "HIXENIPF"
struct nvram_save_addr {
    unsigned long addr;
    unsigned long signature;
};

struct pt_fpreg {
    union {
        unsigned long bits[2];
        long double __dummy;    /* force 16-byte alignment */
    } u;
};

union vac {
    unsigned long value;
    struct {
        int a_int:1;
        int a_from_int_cr:1;
        int a_to_int_cr:1;
        int a_from_psr:1;
        int a_from_cpuid:1;
        int a_cover:1;
        int a_bsw:1;
        long reserved:57;
    };
};
typedef union vac vac_t;

union vdc {
    unsigned long value;
    struct {
        int d_vmsw:1;
        int d_extint:1;
        int d_ibr_dbr:1;
        int d_pmc:1;
        int d_to_pmd:1;
        int d_itm:1;
        long reserved:58;
    };
};
typedef union vdc vdc_t;

struct mapped_regs {
    union vac   vac;
    union vdc   vdc;
    unsigned long  virt_env_vaddr;
    unsigned long  reserved1[29];
    unsigned long  vhpi;
    unsigned long  reserved2[95];
    union {
        unsigned long  vgr[16];
        unsigned long bank1_regs[16]; // bank1 regs (r16-r31) when bank0 active
    };
    union {
        unsigned long  vbgr[16];
        unsigned long bank0_regs[16]; // bank0 regs (r16-r31) when bank1 active
    };
    unsigned long  vnat;
    unsigned long  vbnat;
    unsigned long  vcpuid[5];
    unsigned long  reserved3[11];
    unsigned long  vpsr;
    unsigned long  vpr;
    unsigned long  reserved4[76];
    union {
        unsigned long  vcr[128];
        struct {
            unsigned long dcr;  // CR0
            unsigned long itm;
            unsigned long iva;
            unsigned long rsv1[5];
            unsigned long pta;  // CR8
            unsigned long rsv2[7];
            unsigned long ipsr;  // CR16
            unsigned long isr;
            unsigned long rsv3;
            unsigned long iip;
            unsigned long ifa;
            unsigned long itir;
            unsigned long iipa;
            unsigned long ifs;
            unsigned long iim;  // CR24
            unsigned long iha;
            unsigned long rsv4[38];
            unsigned long lid;  // CR64
            unsigned long ivr;
            unsigned long tpr;
            unsigned long eoi;
            unsigned long irr[4];
            unsigned long itv;  // CR72
            unsigned long pmv;
            unsigned long cmcv;
            unsigned long rsv5[5];
            unsigned long lrr0;  // CR80
            unsigned long lrr1;
            unsigned long rsv6[46];
        };
    };
    union {
        unsigned long  reserved5[128];
        struct {
            unsigned long precover_ifs;
            unsigned long unat;  // not sure if this is needed until NaT arch is done
            int interrupt_collection_enabled; // virtual psr.ic
            /* virtual interrupt deliverable flag is evtchn_upcall_mask in
             * shared info area now. interrupt_mask_addr is the address
             * of evtchn_upcall_mask for current vcpu
             */
            unsigned char *interrupt_mask_addr;
            int pending_interruption;
            unsigned char vpsr_pp;
            unsigned char vpsr_dfh;
            unsigned char hpsr_dfh;
            unsigned char hpsr_mfh;
            unsigned long reserved5_1[4];
            int metaphysical_mode; // 1 = use metaphys mapping, 0 = use virtual
            int banknum; // 0 or 1, which virtual register bank is active
            unsigned long rrs[8]; // region registers
            unsigned long krs[8]; // kernel registers
            unsigned long tmp[16]; // temp registers (e.g. for hyperprivops)
        };
    };
};
typedef struct mapped_regs mapped_regs_t;

struct vpd {
    struct mapped_regs vpd_low;
    unsigned long  reserved6[3456];
    unsigned long  vmm_avail[128];
    unsigned long  reserved7[4096];
};
typedef struct vpd vpd_t;

struct arch_vcpu_info {
};
typedef struct arch_vcpu_info arch_vcpu_info_t;

/*
 * This structure is used for magic page in domain pseudo physical address
 * space and the result of XENMEM_machine_memory_map.
 * As the XENMEM_machine_memory_map result,
 * xen_memory_map::nr_entries indicates the size in bytes 
 * including struct xen_ia64_memmap_info. Not the number of entries.
 */
struct xen_ia64_memmap_info {
    uint64_t efi_memmap_size;       /* size of EFI memory map */
    uint64_t efi_memdesc_size;      /* size of an EFI memory map descriptor */
    uint32_t efi_memdesc_version;   /* memory descriptor version */
    void *memdesc[0];               /* array of efi_memory_desc_t */
};
typedef struct xen_ia64_memmap_info xen_ia64_memmap_info_t;

struct arch_shared_info {
    /* PFN of the start_info page.  */
    unsigned long start_info_pfn;

    /* Interrupt vector for event channel.  */
    int evtchn_vector;

    /* PFN of memmap_info page */
    unsigned int memmap_info_num_pages;/* currently only = 1 case is
                                          supported. */
    unsigned long memmap_info_pfn;

    uint64_t pad[31];
};
typedef struct arch_shared_info arch_shared_info_t;

typedef unsigned long xen_callback_t;

struct ia64_tr_entry {
    unsigned long pte;
    unsigned long itir;
    unsigned long vadr;
    unsigned long rid;
};
typedef struct ia64_tr_entry ia64_tr_entry_t;
DEFINE_XEN_GUEST_HANDLE(ia64_tr_entry_t);

struct vcpu_tr_regs {
    struct ia64_tr_entry itrs[12];
    struct ia64_tr_entry dtrs[12];
};

union vcpu_ar_regs {
    unsigned long ar[128];
    struct {
        unsigned long kr[8];
        unsigned long rsv1[8];
        unsigned long rsc;
        unsigned long bsp;
        unsigned long bspstore;
        unsigned long rnat;
        unsigned long rsv2;
        unsigned long fcr;
        unsigned long rsv3[2];
        unsigned long eflag;
        unsigned long csd;
        unsigned long ssd;
        unsigned long cflg;
        unsigned long fsr;