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hv:Changed several APIs to void type 

Since these APIs always return 0,
change them to void type,
vcpu_set_cr0()
vmx_write_cr0()
vcpu_set_cr4()
vmx_write_cr4()
kick_notification()
tsc_deadline_handler()
dmar_fault_handler()
ptdev_interrupt_handler()

Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
This commit is contained in:
Mingqiang Chi 2018-08-22 11:12:37 +08:00 committed by lijinxia
parent b75a7df415
commit c43d0e4f01
10 changed files with 20 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
hypervisor/arch/x86/guest/vcpu.c
View File

@ -111,9 +111,9 @@ inline uint64_t vcpu_get_cr0(struct vcpu *vcpu)
return ctx->cr0;
}
inline int vcpu_set_cr0(struct vcpu *vcpu, uint64_t val)
inline void vcpu_set_cr0(struct vcpu *vcpu, uint64_t val)
{
return vmx_write_cr0(vcpu, val);
vmx_write_cr0(vcpu, val);
}
inline uint64_t vcpu_get_cr2(struct vcpu *vcpu)
@ -141,9 +141,9 @@ inline uint64_t vcpu_get_cr4(struct vcpu *vcpu)
return ctx->cr4;
}
inline int vcpu_set_cr4(struct vcpu *vcpu, uint64_t val)
inline void vcpu_set_cr4(struct vcpu *vcpu, uint64_t val)
{
return vmx_write_cr4(vcpu, val);
vmx_write_cr4(vcpu, val);
}
inline uint64_t vcpu_get_pat_ext(struct vcpu *vcpu)

4
hypervisor/arch/x86/notify.c
View File

@ -11,7 +11,7 @@ static uint32_t notification_irq = IRQ_INVALID;
static uint64_t smp_call_mask = 0UL;
/* run in interrupt context */
static int kick_notification(__unused uint32_t irq, __unused void *data)
static void kick_notification(__unused uint32_t irq, __unused void *data)
{
/* Notification vector is used to kick taget cpu out of non-root mode.
* And it also serves for smp call.
@ -26,8 +26,6 @@ static int kick_notification(__unused uint32_t irq, __unused void *data)
smp_call->func(smp_call->data);
bitmap_clear_nolock(pcpu_id, &smp_call_mask);
}
return 0;
}
void smp_call_function(uint64_t mask, smp_call_func_t func, void *data)

3
hypervisor/arch/x86/timer.c
View File

@ -24,10 +24,9 @@ static void run_timer(struct hv_timer *timer)
}
/* run in interrupt context */
static int tsc_deadline_handler(__unused uint32_t irq, __unused void *data)
static void tsc_deadline_handler(__unused uint32_t irq, __unused void *data)
{
fire_softirq(SOFTIRQ_TIMER);
return 0;
}
static inline void update_physical_timer(struct per_cpu_timers *cpu_timer)

7
hypervisor/arch/x86/vmexit.c
View File

@ -263,7 +263,6 @@ int cpuid_vmexit_handler(struct vcpu *vcpu)
int cr_access_vmexit_handler(struct vcpu *vcpu)
{
int err = 0;
uint64_t reg;
int idx = VM_EXIT_CR_ACCESS_REG_IDX(vcpu->arch_vcpu.exit_qualification);
@ -275,11 +274,11 @@ int cr_access_vmexit_handler(struct vcpu *vcpu)
VM_EXIT_CR_ACCESS_CR_NUM(vcpu->arch_vcpu.exit_qualification)) {
case 0x00U:
/* mov to cr0 */
err = vcpu_set_cr0(vcpu, reg);
vcpu_set_cr0(vcpu, reg);
break;
case 0x04U:
/* mov to cr4 */
err = vcpu_set_cr4(vcpu, reg);
vcpu_set_cr4(vcpu, reg);
break;
case 0x08U:
/* mov to cr8 */
@ -310,7 +309,7 @@ int cr_access_vmexit_handler(struct vcpu *vcpu)
VM_EXIT_CR_ACCESS_CR_NUM
(vcpu->arch_vcpu.exit_qualification));
return err;
return 0;
}
/*

12
hypervisor/arch/x86/vmx.c
View File

@ -387,7 +387,7 @@ static bool is_cr0_write_valid(struct vcpu *vcpu, uint64_t cr0)
* - PG (31) Trapped to track cpu/paging mode.
* Set the value according to the value from guest.
*/
int vmx_write_cr0(struct vcpu *vcpu, uint64_t cr0)
void vmx_write_cr0(struct vcpu *vcpu, uint64_t cr0)
{
uint64_t cr0_vmx;
uint32_t entry_ctrls;
@ -396,7 +396,7 @@ int vmx_write_cr0(struct vcpu *vcpu, uint64_t cr0)
if (!is_cr0_write_valid(vcpu, cr0)) {
pr_dbg("Invalid cr0 write operation from guest");
vcpu_inject_gp(vcpu, 0U);
return 0;
return;
}
/* SDM 2.5
@ -467,8 +467,6 @@ int vmx_write_cr0(struct vcpu *vcpu, uint64_t cr0)
pr_dbg("VMM: Try to write %016llx, allow to write 0x%016llx to CR0",
cr0, cr0_vmx);
return 0;
}
static bool is_cr4_write_valid(uint64_t cr4)
@ -523,14 +521,14 @@ static bool is_cr4_write_valid(uint64_t cr4)
* - SMAP (21) Flexible to guest
* - PKE (22) Flexible to guest
*/
int vmx_write_cr4(struct vcpu *vcpu, uint64_t cr4)
void vmx_write_cr4(struct vcpu *vcpu, uint64_t cr4)
{
uint64_t cr4_vmx;
if (!is_cr4_write_valid(cr4)) {
pr_dbg("Invalid cr4 write operation from guest");
vcpu_inject_gp(vcpu, 0U);
return 0;
return;
}
/* Aways off bits and reserved bits has been filtered above */
@ -543,8 +541,6 @@ int vmx_write_cr4(struct vcpu *vcpu, uint64_t cr4)
pr_dbg("VMM: Try to write %016llx, allow to write 0x%016llx to CR4",
cr4, cr4_vmx);
return 0;
}
static void init_guest_context_real(struct vcpu *vcpu)

4
hypervisor/arch/x86/vtd.c
View File

@ -760,7 +760,7 @@ static void fault_record_analysis(__unused uint64_t low, uint64_t high)
#endif
}
static int dmar_fault_handler(uint32_t irq, void *data)
static void dmar_fault_handler(uint32_t irq, void *data)
{
struct dmar_drhd_rt *dmar_uint = (struct dmar_drhd_rt *)data;
uint32_t fsr;
@ -812,8 +812,6 @@ static int dmar_fault_handler(uint32_t irq, void *data)
fsr = iommu_read32(dmar_uint, DMAR_FSTS_REG);
}
return 0;
}
static int dmar_setup_interrupt(struct dmar_drhd_rt *dmar_uint)

3
hypervisor/common/ptdev.c
View File

@ -119,13 +119,12 @@ release_all_entries(struct vm *vm)
}
/* interrupt context */
static int ptdev_interrupt_handler(__unused uint32_t irq, void *data)
static void ptdev_interrupt_handler(__unused uint32_t irq, void *data)
{
struct ptdev_remapping_info *entry =
(struct ptdev_remapping_info *) data;
ptdev_enqueue_softirq(entry);
return 0;
}
/* active intr with irq registering */

4
hypervisor/include/arch/x86/guest/vcpu.h
View File

@ -273,11 +273,11 @@ void vcpu_set_efer(struct vcpu *vcpu, uint64_t val);
uint64_t vcpu_get_rflags(struct vcpu *vcpu);
void vcpu_set_rflags(struct vcpu *vcpu, uint64_t val);
uint64_t vcpu_get_cr0(struct vcpu *vcpu);
int vcpu_set_cr0(struct vcpu *vcpu, uint64_t val);
void vcpu_set_cr0(struct vcpu *vcpu, uint64_t val);
uint64_t vcpu_get_cr2(struct vcpu *vcpu);
void vcpu_set_cr2(struct vcpu *vcpu, uint64_t val);
uint64_t vcpu_get_cr4(struct vcpu *vcpu);
int vcpu_set_cr4(struct vcpu *vcpu, uint64_t val);
void vcpu_set_cr4(struct vcpu *vcpu, uint64_t val);
uint64_t vcpu_get_pat_ext(struct vcpu *vcpu);
void vcpu_set_pat_ext(struct vcpu *vcpu, uint64_t val);

4
hypervisor/include/arch/x86/vmx.h
View File

@ -446,8 +446,8 @@ int exec_vmptrld(void *addr);
uint64_t vmx_rdmsr_pat(struct vcpu *vcpu);
int vmx_wrmsr_pat(struct vcpu *vcpu, uint64_t value);
int vmx_write_cr0(struct vcpu *vcpu, uint64_t cr0);
int vmx_write_cr4(struct vcpu *vcpu, uint64_t cr4);
void vmx_write_cr0(struct vcpu *vcpu, uint64_t cr0);
void vmx_write_cr4(struct vcpu *vcpu, uint64_t cr4);
static inline enum vm_cpu_mode get_vcpu_mode(const struct vcpu *vcpu)
{

2
hypervisor/include/common/irq.h
View File

@ -17,7 +17,7 @@ enum irq_mode {
IRQ_DEASSERT,
};
typedef int (*irq_action_t)(uint32_t irq, void *priv_data);
typedef void (*irq_action_t)(uint32_t irq, void *priv_data);
/* any field change in below required irq_lock protection with irqsave */
struct irq_desc {