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/*****************************************************************************
*
* include/xen/viridian.h
*
* Copyright (c) 2008 Citrix Corp.
*
*/
#ifndef __ASM_X86_HVM_VIRIDIAN_H__
#define __ASM_X86_HVM_VIRIDIAN_H__
#include <asm/guest/hyperv-tlfs.h>
struct viridian_page
{
union hv_vp_assist_page_msr msr;
void *ptr;
};
struct viridian_stimer {
struct vcpu *v;
struct timer timer;
union hv_stimer_config config;
uint64_t count;
uint64_t expiration;
bool started;
};
struct viridian_vcpu
{
struct viridian_page vp_assist;
bool apic_assist_pending;
bool polled;
uint64_t scontrol;
uint64_t siefp;
struct viridian_page simp;
union hv_synic_sint sint[16];
uint8_t vector_to_sintx[256];
struct viridian_stimer stimer[4];
unsigned int stimer_enabled;
unsigned int stimer_pending;
uint64_t crash_param[5];
};
struct viridian_time_ref_count
{
unsigned long flags;
#define _TRC_accessed 0
#define TRC_accessed (1 << _TRC_accessed)
#define _TRC_running 1
#define TRC_running (1 << _TRC_running)
uint64_t val;
int64_t off;
};
enum {
_HCALL_spin_wait,
_HCALL_flush,
_HCALL_flush_ex,
_HCALL_ipi,
_HCALL_ipi_ex,
_HCALL_nr /* must be last */
};
struct viridian_domain
{
union hv_guest_os_id guest_os_id;
union hv_vp_assist_page_msr hypercall_gpa;
DECLARE_BITMAP(hypercall_flags, _HCALL_nr);
struct viridian_time_ref_count time_ref_count;
struct viridian_page reference_tsc;
};
void cpuid_viridian_leaves(const struct vcpu *v, uint32_t leaf,
uint32_t subleaf, struct cpuid_leaf *res);
int guest_wrmsr_viridian(struct vcpu *v, uint32_t idx, uint64_t val);
int guest_rdmsr_viridian(const struct vcpu *v, uint32_t idx, uint64_t *val);
int
viridian_hypercall(struct cpu_user_regs *regs);
void viridian_time_domain_freeze(const struct domain *d);
void viridian_time_domain_thaw(const struct domain *d);
int viridian_vcpu_init(struct vcpu *v);
int viridian_domain_init(struct domain *d);
void viridian_vcpu_deinit(struct vcpu *v);
void viridian_domain_deinit(struct domain *d);
void viridian_apic_assist_set(const struct vcpu *v);
bool viridian_apic_assist_completed(const struct vcpu *v);
void viridian_apic_assist_clear(const struct vcpu *v);
void viridian_synic_poll(struct vcpu *v);
bool viridian_synic_is_auto_eoi_sint(const struct vcpu *v,
unsigned int vector);
#endif /* __ASM_X86_HVM_VIRIDIAN_H__ */
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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