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hv: prepare for Sx(S3/S5) support in ACRN.

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Couple of small changes merged in this change:
 - export main_entry, trampoline_spinlock and stop_cpus.
 - change vm_resume() name to resume_vm()
 - change resume_console_enable() name to resume_console()
 - extend reset_vcpu to reset more fields of vcpu

Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yin Fengwei 2018-06-14 21:23:50 +08:00 committed by lijinxia
parent c2be7fdedb
commit a2550b5d91
5 changed files with 16 additions and 5 deletions
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7
hypervisor/arch/x86/guest/vcpu.c
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@ -278,6 +278,13 @@ void reset_vcpu(struct vcpu *vcpu)
vcpu->ioreq_pending = 0; vcpu->ioreq_pending = 0;
vcpu->arch_vcpu.nr_sipi = 0; vcpu->arch_vcpu.nr_sipi = 0;
vcpu->pending_pre_work = 0; vcpu->pending_pre_work = 0;
vcpu->arch_vcpu.exception_info.exception = VECTOR_INVALID;
vcpu->arch_vcpu.cur_context = NORMAL_WORLD;
vcpu->arch_vcpu.irq_window_enabled = 0;
vcpu->arch_vcpu.inject_event_pending = false;
memset(vcpu->arch_vcpu.vmcs, 0, CPU_PAGE_SIZE);
vlapic = vcpu->arch_vcpu.vlapic; vlapic = vcpu->arch_vcpu.vlapic;
vlapic_reset(vlapic); vlapic_reset(vlapic);
} }

4
hypervisor/arch/x86/guest/vm.c
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@ -274,7 +274,7 @@ void pause_vm(struct vm *vm)
pause_vcpu(vcpu, VCPU_ZOMBIE); pause_vcpu(vcpu, VCPU_ZOMBIE);
} }
int vm_resume(struct vm *vm) void resume_vm(struct vm *vm)
{ {
int i; int i;
struct vcpu *vcpu = NULL; struct vcpu *vcpu = NULL;
@ -283,8 +283,6 @@ int vm_resume(struct vm *vm)
resume_vcpu(vcpu); resume_vcpu(vcpu);
vm->state = VM_STARTED; vm->state = VM_STARTED;
return 0;
} }
/* Create vm/vcpu for vm0 */ /* Create vm/vcpu for vm0 */

5
hypervisor/include/arch/x86/cpu.h
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@ -174,8 +174,12 @@ extern uint8_t trampoline_pdpt_addr[];
extern uint8_t trampoline_gdt_ptr[]; extern uint8_t trampoline_gdt_ptr[];
extern uint8_t trampoline_start64_fixup[]; extern uint8_t trampoline_start64_fixup[];
/* In trampoline range, hold the jump target which trampline will jump to */
extern uint64_t main_entry[1];
extern uint64_t trampoline_start16_paddr; extern uint64_t trampoline_start16_paddr;
extern int ibrs_type; extern int ibrs_type;
extern spinlock_t trampoline_spinlock;
/* /*
* To support per_cpu access, we use a special struct "per_cpu_region" to hold * To support per_cpu access, we use a special struct "per_cpu_region" to hold
@ -260,6 +264,7 @@ bool is_vapic_virt_reg_supported(void);
bool cpu_has_cap(uint32_t bit); bool cpu_has_cap(uint32_t bit);
void load_cpu_state_data(void); void load_cpu_state_data(void);
void start_cpus(); void start_cpus();
void stop_cpus();
/* Read control register */ /* Read control register */
#define CPU_CR_READ(cr, result_ptr) \ #define CPU_CR_READ(cr, result_ptr) \

1
hypervisor/include/arch/x86/guest/vm.h
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@ -171,6 +171,7 @@ struct vm_description {
int shutdown_vm(struct vm *vm); int shutdown_vm(struct vm *vm);
void pause_vm(struct vm *vm); void pause_vm(struct vm *vm);
void resume_vm(struct vm *vm);
int start_vm(struct vm *vm); int start_vm(struct vm *vm);
int create_vm(struct vm_description *vm_desc, struct vm **vm); int create_vm(struct vm_description *vm_desc, struct vm **vm);
int prepare_vm0(void); int prepare_vm0(void);

4
hypervisor/include/debug/console.h
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@ -70,7 +70,7 @@ static inline void suspend_console(void)
del_timer(&console_timer); del_timer(&console_timer);
} }
static inline void resume_console_enable(void) static inline void resume_console(void)
{ {
console_setup_timer(); console_setup_timer();
} }
@ -101,7 +101,7 @@ static inline void console_setup_timer(void) {}
static inline uint32_t get_serial_handle(void) { return 0; } static inline uint32_t get_serial_handle(void) { return 0; }
static inline void suspend_console(void) {} static inline void suspend_console(void) {}
static inline void resume_console_enable(void) {} static inline void resume_console(void) {}
#endif #endif
#endif /* CONSOLE_H */ #endif /* CONSOLE_H */