diff --git a/xen/arch/x86/cpu/vpmu.c b/xen/arch/x86/cpu/vpmu.c index 8f6daf13fd..375599aca5 100644 --- a/xen/arch/x86/cpu/vpmu.c +++ b/xen/arch/x86/cpu/vpmu.c @@ -456,6 +456,7 @@ static int vpmu_arch_initialise(struct vcpu *v) switch ( vendor ) { case X86_VENDOR_AMD: + case X86_VENDOR_HYGON: ret = svm_vpmu_initialise(v); break; @@ -876,10 +877,17 @@ static int __init vpmu_init(void) if ( amd_vpmu_init() ) vpmu_mode = XENPMU_MODE_OFF; break; + + case X86_VENDOR_HYGON: + if ( hygon_vpmu_init() ) + vpmu_mode = XENPMU_MODE_OFF; + break; + case X86_VENDOR_INTEL: if ( core2_vpmu_init() ) vpmu_mode = XENPMU_MODE_OFF; break; + default: printk(XENLOG_WARNING "VPMU: Unknown CPU vendor: %d. " "Turning VPMU off.\n", vendor); diff --git a/xen/arch/x86/cpu/vpmu_amd.c b/xen/arch/x86/cpu/vpmu_amd.c index 5efc39b4eb..3c6799b42c 100644 --- a/xen/arch/x86/cpu/vpmu_amd.c +++ b/xen/arch/x86/cpu/vpmu_amd.c @@ -538,28 +538,12 @@ int svm_vpmu_initialise(struct vcpu *v) return 0; } -int __init amd_vpmu_init(void) +static int __init common_init(void) { unsigned int i; - switch ( current_cpu_data.x86 ) + if ( !num_counters ) { - case 0x15: - num_counters = F15H_NUM_COUNTERS; - counters = AMD_F15H_COUNTERS; - ctrls = AMD_F15H_CTRLS; - k7_counters_mirrored = 1; - break; - case 0x10: - case 0x12: - case 0x14: - case 0x16: - num_counters = F10H_NUM_COUNTERS; - counters = AMD_F10H_COUNTERS; - ctrls = AMD_F10H_CTRLS; - k7_counters_mirrored = 0; - break; - default: printk(XENLOG_WARNING "VPMU: Unsupported CPU family %#x\n", current_cpu_data.x86); return -EINVAL; @@ -586,3 +570,43 @@ int __init amd_vpmu_init(void) return 0; } +int __init amd_vpmu_init(void) +{ + switch ( current_cpu_data.x86 ) + { + case 0x15: + case 0x17: + num_counters = F15H_NUM_COUNTERS; + counters = AMD_F15H_COUNTERS; + ctrls = AMD_F15H_CTRLS; + k7_counters_mirrored = 1; + break; + + case 0x10: + case 0x12: + case 0x14: + case 0x16: + num_counters = F10H_NUM_COUNTERS; + counters = AMD_F10H_COUNTERS; + ctrls = AMD_F10H_CTRLS; + k7_counters_mirrored = 0; + break; + } + + return common_init(); +} + +int __init hygon_vpmu_init(void) +{ + switch ( current_cpu_data.x86 ) + { + case 0x18: + num_counters = F15H_NUM_COUNTERS; + counters = AMD_F15H_COUNTERS; + ctrls = AMD_F15H_CTRLS; + k7_counters_mirrored = 1; + break; + } + + return common_init(); +} diff --git a/xen/include/asm-x86/vpmu.h b/xen/include/asm-x86/vpmu.h index 1287b9fb6e..55f85ba00f 100644 --- a/xen/include/asm-x86/vpmu.h +++ b/xen/include/asm-x86/vpmu.h @@ -52,6 +52,7 @@ struct arch_vpmu_ops { int core2_vpmu_init(void); int vmx_vpmu_initialise(struct vcpu *); int amd_vpmu_init(void); +int hygon_vpmu_init(void); int svm_vpmu_initialise(struct vcpu *); struct vpmu_struct {