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hv:Changed several APIs to void type

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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
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@ -111,9 +111,9 @@ inline uint64_t vcpu_get_cr0(struct vcpu *vcpu)
return ctx->cr0; 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) 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; 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) inline uint64_t vcpu_get_pat_ext(struct vcpu *vcpu)

4
hypervisor/arch/x86/notify.c
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@ -11,7 +11,7 @@ static uint32_t notification_irq = IRQ_INVALID;
static uint64_t smp_call_mask = 0UL; static uint64_t smp_call_mask = 0UL;
/* run in interrupt context */ /* 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. /* Notification vector is used to kick taget cpu out of non-root mode.
* And it also serves for smp call. * 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); smp_call->func(smp_call->data);
bitmap_clear_nolock(pcpu_id, &smp_call_mask); bitmap_clear_nolock(pcpu_id, &smp_call_mask);
} }
return 0;
} }
void smp_call_function(uint64_t mask, smp_call_func_t func, void *data) void smp_call_function(uint64_t mask, smp_call_func_t func, void *data)

3
hypervisor/arch/x86/timer.c
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@ -24,10 +24,9 @@ static void run_timer(struct hv_timer *timer)
} }
/* run in interrupt context */ /* 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); fire_softirq(SOFTIRQ_TIMER);
return 0;
} }
static inline void update_physical_timer(struct per_cpu_timers *cpu_timer) static inline void update_physical_timer(struct per_cpu_timers *cpu_timer)

7
hypervisor/arch/x86/vmexit.c
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@ -263,7 +263,6 @@ int cpuid_vmexit_handler(struct vcpu *vcpu)
int cr_access_vmexit_handler(struct vcpu *vcpu) int cr_access_vmexit_handler(struct vcpu *vcpu)
{ {
int err = 0;
uint64_t reg; uint64_t reg;
int idx = VM_EXIT_CR_ACCESS_REG_IDX(vcpu->arch_vcpu.exit_qualification); 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)) { VM_EXIT_CR_ACCESS_CR_NUM(vcpu->arch_vcpu.exit_qualification)) {
case 0x00U: case 0x00U:
/* mov to cr0 */ /* mov to cr0 */
err = vcpu_set_cr0(vcpu, reg); vcpu_set_cr0(vcpu, reg);
break; break;
case 0x04U: case 0x04U:
/* mov to cr4 */ /* mov to cr4 */
err = vcpu_set_cr4(vcpu, reg); vcpu_set_cr4(vcpu, reg);
break; break;
case 0x08U: case 0x08U:
/* mov to cr8 */ /* mov to cr8 */
@ -310,7 +309,7 @@ int cr_access_vmexit_handler(struct vcpu *vcpu)
VM_EXIT_CR_ACCESS_CR_NUM VM_EXIT_CR_ACCESS_CR_NUM
(vcpu->arch_vcpu.exit_qualification)); (vcpu->arch_vcpu.exit_qualification));
return err; return 0;
} }
/* /*

12
hypervisor/arch/x86/vmx.c
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@ -387,7 +387,7 @@ static bool is_cr0_write_valid(struct vcpu *vcpu, uint64_t cr0)
* - PG (31) Trapped to track cpu/paging mode. * - PG (31) Trapped to track cpu/paging mode.
* Set the value according to the value from guest. * 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; uint64_t cr0_vmx;
uint32_t entry_ctrls; 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)) { if (!is_cr0_write_valid(vcpu, cr0)) {
pr_dbg("Invalid cr0 write operation from guest"); pr_dbg("Invalid cr0 write operation from guest");
vcpu_inject_gp(vcpu, 0U); vcpu_inject_gp(vcpu, 0U);
return 0; return;
} }
/* SDM 2.5 /* 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", pr_dbg("VMM: Try to write %016llx, allow to write 0x%016llx to CR0",
cr0, cr0_vmx); cr0, cr0_vmx);
return 0;
} }
static bool is_cr4_write_valid(uint64_t cr4) 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 * - SMAP (21) Flexible to guest
* - PKE (22) 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; uint64_t cr4_vmx;
if (!is_cr4_write_valid(cr4)) { if (!is_cr4_write_valid(cr4)) {
pr_dbg("Invalid cr4 write operation from guest"); pr_dbg("Invalid cr4 write operation from guest");
vcpu_inject_gp(vcpu, 0U); vcpu_inject_gp(vcpu, 0U);
return 0; return;
} }
/* Aways off bits and reserved bits has been filtered above */ /* 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", pr_dbg("VMM: Try to write %016llx, allow to write 0x%016llx to CR4",
cr4, cr4_vmx); cr4, cr4_vmx);
return 0;
} }
static void init_guest_context_real(struct vcpu *vcpu) static void init_guest_context_real(struct vcpu *vcpu)

4
hypervisor/arch/x86/vtd.c
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@ -760,7 +760,7 @@ static void fault_record_analysis(__unused uint64_t low, uint64_t high)
#endif #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; struct dmar_drhd_rt *dmar_uint = (struct dmar_drhd_rt *)data;
uint32_t fsr; 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); fsr = iommu_read32(dmar_uint, DMAR_FSTS_REG);
} }
return 0;
} }
static int dmar_setup_interrupt(struct dmar_drhd_rt *dmar_uint) static int dmar_setup_interrupt(struct dmar_drhd_rt *dmar_uint)

3
hypervisor/common/ptdev.c
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@ -119,13 +119,12 @@ release_all_entries(struct vm *vm)
} }
/* interrupt context */ /* 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 *entry =
(struct ptdev_remapping_info *) data; (struct ptdev_remapping_info *) data;
ptdev_enqueue_softirq(entry); ptdev_enqueue_softirq(entry);
return 0;
} }
/* active intr with irq registering */ /* active intr with irq registering */

4
hypervisor/include/arch/x86/guest/vcpu.h
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@ -273,11 +273,11 @@ void vcpu_set_efer(struct vcpu *vcpu, uint64_t val);
uint64_t vcpu_get_rflags(struct vcpu *vcpu); uint64_t vcpu_get_rflags(struct vcpu *vcpu);
void vcpu_set_rflags(struct vcpu *vcpu, uint64_t val); void vcpu_set_rflags(struct vcpu *vcpu, uint64_t val);
uint64_t vcpu_get_cr0(struct vcpu *vcpu); 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); uint64_t vcpu_get_cr2(struct vcpu *vcpu);
void vcpu_set_cr2(struct vcpu *vcpu, uint64_t val); void vcpu_set_cr2(struct vcpu *vcpu, uint64_t val);
uint64_t vcpu_get_cr4(struct vcpu *vcpu); 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); uint64_t vcpu_get_pat_ext(struct vcpu *vcpu);
void vcpu_set_pat_ext(struct vcpu *vcpu, uint64_t val); void vcpu_set_pat_ext(struct vcpu *vcpu, uint64_t val);

4
hypervisor/include/arch/x86/vmx.h
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@ -446,8 +446,8 @@ int exec_vmptrld(void *addr);
uint64_t vmx_rdmsr_pat(struct vcpu *vcpu); uint64_t vmx_rdmsr_pat(struct vcpu *vcpu);
int vmx_wrmsr_pat(struct vcpu *vcpu, uint64_t value); int vmx_wrmsr_pat(struct vcpu *vcpu, uint64_t value);
int vmx_write_cr0(struct vcpu *vcpu, uint64_t cr0); void vmx_write_cr0(struct vcpu *vcpu, uint64_t cr0);
int vmx_write_cr4(struct vcpu *vcpu, uint64_t cr4); void vmx_write_cr4(struct vcpu *vcpu, uint64_t cr4);
static inline enum vm_cpu_mode get_vcpu_mode(const struct vcpu *vcpu) static inline enum vm_cpu_mode get_vcpu_mode(const struct vcpu *vcpu)
{ {

2
hypervisor/include/common/irq.h
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@ -17,7 +17,7 @@ enum irq_mode {
IRQ_DEASSERT, 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 */ /* any field change in below required irq_lock protection with irqsave */
struct irq_desc { struct irq_desc {