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/******************************************************************************
* 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_XEN_GUEST_HANDLE(const_##name, const 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__
typedef unsigned long 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
/* IO ports location for PV. */
#define IO_PORTS_PADDR 0x00000ffffc000000UL
#define IO_PORTS_SIZE 0x0000000004000000UL
#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)
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;
unsigned long fir;
unsigned long fdr;
unsigned long rsv4;
unsigned long ccv; /* 32 */
unsigned long rsv5[3];
unsigned long unat;
unsigned long rsv6[3];
unsigned long fpsr;
unsigned long rsv7[3];
unsigned long itc;
unsigned long rsv8[3];
unsigned long ign1[16];
unsigned long pfs; /* 64 */
unsigned long lc;
unsigned long ec;
unsigned long rsv9[45];
unsigned long ign2[16];
};
};
union vcpu_cr_regs {
unsigned long cr[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];
};
};
struct vcpu_guest_context_regs {
unsigned long r[32];
unsigned long b[8];
unsigned long bank[16];
unsigned long ip;
unsigned long psr;
unsigned long cfm;
unsigned long pr;
unsigned int nats; /* NaT bits for r1-r31. */
unsigned int bnats; /* Nat bits for banked registers. */
union vcpu_ar_regs ar;
union vcpu_cr_regs cr;
struct pt_fpreg f[128];
unsigned long dbr[8];
unsigned long ibr[8];
unsigned long rr[8];
unsigned long pkr[16];
/* FIXME: cpuid,pmd,pmc */
unsigned long xip;
unsigned long xpsr;
unsigned long xfs;
unsigned long xr[4];
struct vcpu_tr_regs tr;
/* Physical registers in case of debug event. */
unsigned long excp_iipa;
unsigned long excp_ifa;
unsigned long excp_isr;
unsigned int excp_vector;
/*
* The rbs is intended to be the image of the stacked registers still
* in the cpu (not yet stored in memory). It is laid out as if it
* were written in memory at a 512 (64*8) aligned address + offset.
* rbs_voff is (offset / 8). rbs_nat contains NaT bits for the
* remaining rbs registers. rbs_rnat contains NaT bits for in memory
* rbs registers.
* Note: loadrs is 2**14 bytes == 2**11 slots.
*/
unsigned int rbs_voff;
unsigned long rbs[2048];
unsigned long rbs_rnat;
/*
* RSE.N_STACKED_PHYS via PAL_RSE_INFO
* Strictly this isn't cpu context, but this value is necessary
* for domain save/restore. So is here.
*/
unsigned long num_phys_stacked;
};
struct vcpu_guest_context {
#define VGCF_EXTRA_REGS (1UL << 1) /* Set extra regs. */
#define VGCF_SET_CR_IRR (1UL << 2) /* Set cr_irr[0:3]. */
#define VGCF_online (1UL << 3) /* make this vcpu online */
unsigned long flags; /* VGCF_* flags */
struct vcpu_guest_context_regs regs;
unsigned long event_callback_ip;
/* xen doesn't share privregs pages with hvm domain so that this member
* doesn't make sense for hvm domain.
* ~0UL is already used for INVALID_P2M_ENTRY. */
#define VGC_PRIVREGS_HVM (~(-2UL))
unsigned long privregs_pfn;
};
typedef struct vcpu_guest_context vcpu_guest_context_t;
DEFINE_XEN_GUEST_HANDLE(vcpu_guest_context_t);
/* dom0 vp op */
#define __HYPERVISOR_ia64_dom0vp_op __HYPERVISOR_arch_0
/* Map io space in machine address to dom0 physical address space.
Currently physical assigned address equals to machine address. */
#define IA64_DOM0VP_ioremap 0
/* Convert a pseudo physical page frame number to the corresponding
machine page frame number. If no page is assigned, INVALID_MFN or
GPFN_INV_MASK is returned depending on domain's non-vti/vti mode. */
#define IA64_DOM0VP_phystomach 1
/* Convert a machine page frame number to the corresponding pseudo physical
page frame number of the caller domain. */
#define IA64_DOM0VP_machtophys 3
/* Reserved for future use. */
#define IA64_DOM0VP_iounmap 4
/* Unmap and free pages contained in the specified pseudo physical region. */
#define IA64_DOM0VP_zap_physmap 5
/* Assign machine page frame to dom0's pseudo physical address space. */
#define IA64_DOM0VP_add_physmap 6
/* expose the p2m table into domain */
#define IA64_DOM0VP_expose_p2m 7
/* xen perfmon */
#define IA64_DOM0VP_perfmon 8
/* gmfn version of IA64_DOM0VP_add_physmap */
#define IA64_DOM0VP_add_physmap_with_gmfn 9
/* get fpswa revision */
#define IA64_DOM0VP_fpswa_revision 10
/* Add an I/O port space range */
#define IA64_DOM0VP_add_io_space 11
/* expose the foreign domain's p2m table into privileged domain */
#define IA64_DOM0VP_expose_foreign_p2m 12
#define IA64_DOM0VP_EFP_ALLOC_PTE 0x1 /* allocate p2m table */
/* unexpose the foreign domain's p2m table into privileged domain */
#define IA64_DOM0VP_unexpose_foreign_p2m 13
// flags for page assignement to pseudo physical address space
#define _ASSIGN_readonly 0
#define ASSIGN_readonly (1UL << _ASSIGN_readonly)
#define ASSIGN_writable (0UL << _ASSIGN_readonly) // dummy flag
/* Internal only: memory attribute must be WC/UC/UCE. */
#define _ASSIGN_nocache 1
#define ASSIGN_nocache (1UL << _ASSIGN_nocache)
// tlb tracking
#define _ASSIGN_tlb_track 2
#define ASSIGN_tlb_track (1UL << _ASSIGN_tlb_track)
/* Internal only: associated with PGC_allocated bit */
#define _ASSIGN_pgc_allocated 3
#define ASSIGN_pgc_allocated (1UL << _ASSIGN_pgc_allocated)
/* Page is an IO page. */
#define _ASSIGN_io 4
#define ASSIGN_io (1UL << _ASSIGN_io)
/* This structure has the same layout of struct ia64_boot_param, defined in
<asm/system.h>. It is redefined here to ease use. */
struct xen_ia64_boot_param {
unsigned long command_line; /* physical address of cmd line args */
unsigned long efi_systab; /* physical address of EFI system table */
unsigned long efi_memmap; /* physical address of EFI memory map */
unsigned long efi_memmap_size; /* size of EFI memory map */
unsigned long efi_memdesc_size; /* size of an EFI memory map descriptor */
unsigned int efi_memdesc_version; /* memory descriptor version */
struct {
unsigned short num_cols; /* number of columns on console. */
unsigned short num_rows; /* number of rows on console. */
unsigned short orig_x; /* cursor's x position */
unsigned short orig_y; /* cursor's y position */
} console_info;
unsigned long fpswa; /* physical address of the fpswa interface */
unsigned long initrd_start;
unsigned long initrd_size;
unsigned long domain_start; /* va where the boot time domain begins */
unsigned long domain_size; /* how big is the boot domain */
};
#endif /* !__ASSEMBLY__ */
/* Size of the shared_info area (this is not related to page size). */
#define XSI_SHIFT 14
#define XSI_SIZE (1 << XSI_SHIFT)
/* Log size of mapped_regs area (64 KB - only 4KB is used). */
#define XMAPPEDREGS_SHIFT 12
#define XMAPPEDREGS_SIZE (1 << XMAPPEDREGS_SHIFT)
/* Offset of XASI (Xen arch shared info) wrt XSI_BASE. */
#define XMAPPEDREGS_OFS XSI_SIZE
/* Hyperprivops. */
#define HYPERPRIVOP_START 0x1
#define HYPERPRIVOP_RFI (HYPERPRIVOP_START + 0x0)
#define HYPERPRIVOP_RSM_DT (HYPERPRIVOP_START + 0x1)
#define HYPERPRIVOP_SSM_DT (HYPERPRIVOP_START + 0x2)
#define HYPERPRIVOP_COVER (HYPERPRIVOP_START + 0x3)
#define HYPERPRIVOP_ITC_D (HYPERPRIVOP_START + 0x4)
#define HYPERPRIVOP_ITC_I (HYPERPRIVOP_START + 0x5)
#define HYPERPRIVOP_SSM_I (HYPERPRIVOP_START + 0x6)
#define HYPERPRIVOP_GET_IVR (HYPERPRIVOP_START + 0x7)
#define HYPERPRIVOP_GET_TPR (HYPERPRIVOP_START + 0x8)
#define HYPERPRIVOP_SET_TPR (HYPERPRIVOP_START + 0x9)
#define HYPERPRIVOP_EOI (HYPERPRIVOP_START + 0xa)
#define HYPERPRIVOP_SET_ITM (HYPERPRIVOP_START + 0xb)
#define HYPERPRIVOP_THASH (HYPERPRIVOP_START + 0xc)
#define HYPERPRIVOP_PTC_GA (HYPERPRIVOP_START + 0xd)
#define HYPERPRIVOP_ITR_D (HYPERPRIVOP_START + 0xe)
#define HYPERPRIVOP_GET_RR (HYPERPRIVOP_START + 0xf)
#define HYPERPRIVOP_SET_RR (HYPERPRIVOP_START + 0x10)
#define HYPERPRIVOP_SET_KR (HYPERPRIVOP_START + 0x11)
#define HYPERPRIVOP_FC (HYPERPRIVOP_START + 0x12)
#define HYPERPRIVOP_GET_CPUID (HYPERPRIVOP_START + 0x13)
#define HYPERPRIVOP_GET_PMD (HYPERPRIVOP_START + 0x14)
#define HYPERPRIVOP_GET_EFLAG (HYPERPRIVOP_START + 0x15)
#define HYPERPRIVOP_SET_EFLAG (HYPERPRIVOP_START + 0x16)
#define HYPERPRIVOP_RSM_BE (HYPERPRIVOP_START + 0x17)
#define HYPERPRIVOP_GET_PSR (HYPERPRIVOP_START + 0x18)
#define HYPERPRIVOP_SET_RR0_TO_RR4 (HYPERPRIVOP_START + 0x19)
#define HYPERPRIVOP_MAX (0x1a)
/* Fast and light hypercalls. */
#define __HYPERVISOR_ia64_fast_eoi __HYPERVISOR_arch_1
/* Extra debug features. */
#define __HYPERVISOR_ia64_debug_op __HYPERVISOR_arch_2
/* Xencomm macros. */
#define XENCOMM_INLINE_MASK 0xf800000000000000UL
#define XENCOMM_INLINE_FLAG 0x8000000000000000UL
#ifndef __ASSEMBLY__
/*
* Optimization features.
* The hypervisor may do some special optimizations for guests. This hypercall
* can be used to switch on/of these special optimizations.
*/
#define __HYPERVISOR_opt_feature 0x700UL
#define XEN_IA64_OPTF_OFF 0x0
#define XEN_IA64_OPTF_ON 0x1
/*
* If this feature is switched on, the hypervisor inserts the
* tlb entries without calling the guests traphandler.
* This is useful in guests using region 7 for identity mapping
* like the linux kernel does.
*/
#define XEN_IA64_OPTF_IDENT_MAP_REG7 1
/* Identity mapping of region 4 addresses in HVM. */
#define XEN_IA64_OPTF_IDENT_MAP_REG4 2
/* Identity mapping of region 5 addresses in HVM. */
#define XEN_IA64_OPTF_IDENT_MAP_REG5 3
#define XEN_IA64_OPTF_IDENT_MAP_NOT_SET (0)
struct xen_ia64_opt_feature {
unsigned long cmd; /* Which feature */
unsigned char on; /* Switch feature on/off */
union {
struct {
/* The page protection bit mask of the pte.
* This will be or'ed with the pte. */
unsigned long pgprot;
unsigned long key; /* A protection key for itir. */
};
};
};
#endif /* __ASSEMBLY__ */
/* xen perfmon */
#ifdef XEN
#ifndef __ASSEMBLY__
#ifndef _ASM_IA64_PERFMON_H
#include <xen/list.h> // asm/perfmon.h requires struct list_head
#include <asm/perfmon.h>
// for PFM_xxx and pfarg_features_t, pfarg_context_t, pfarg_reg_t, pfarg_load_t
#endif /* _ASM_IA64_PERFMON_H */
DEFINE_XEN_GUEST_HANDLE(pfarg_features_t);
DEFINE_XEN_GUEST_HANDLE(pfarg_context_t);
DEFINE_XEN_GUEST_HANDLE(pfarg_reg_t);
DEFINE_XEN_GUEST_HANDLE(pfarg_load_t);
#endif /* __ASSEMBLY__ */
#endif /* XEN */
#ifndef __ASSEMBLY__
#include "arch-ia64/hvm/memmap.h"
#endif
#endif /* __HYPERVISOR_IF_IA64_H__ */
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/