Commit 7d656bd9 authored by Xiantao Zhang's avatar Xiantao Zhang Committed by Avi Kivity

KVM: ia64: Implement some pal calls needed for windows 2008

For windows 2008, it needs more pal calls to implement for booting.
In addition, also changes the name of set_{sal, pal}_call_result to
get_{sal,pal}_call_result for readability.
Signed-off-by: default avatarXiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 4b7bb626
...@@ -227,6 +227,18 @@ static struct ia64_pal_retval pal_proc_get_features(struct kvm_vcpu *vcpu) ...@@ -227,6 +227,18 @@ static struct ia64_pal_retval pal_proc_get_features(struct kvm_vcpu *vcpu)
return result; return result;
} }
static struct ia64_pal_retval pal_register_info(struct kvm_vcpu *vcpu)
{
struct ia64_pal_retval result = {0, 0, 0, 0};
long in0, in1, in2, in3;
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
result.status = ia64_pal_register_info(in1, &result.v1, &result.v2);
return result;
}
static struct ia64_pal_retval pal_cache_info(struct kvm_vcpu *vcpu) static struct ia64_pal_retval pal_cache_info(struct kvm_vcpu *vcpu)
{ {
...@@ -268,8 +280,12 @@ static struct ia64_pal_retval pal_vm_summary(struct kvm_vcpu *vcpu) ...@@ -268,8 +280,12 @@ static struct ia64_pal_retval pal_vm_summary(struct kvm_vcpu *vcpu)
static struct ia64_pal_retval pal_vm_info(struct kvm_vcpu *vcpu) static struct ia64_pal_retval pal_vm_info(struct kvm_vcpu *vcpu)
{ {
struct ia64_pal_retval result; struct ia64_pal_retval result;
unsigned long in0, in1, in2, in3;
INIT_PAL_STATUS_UNIMPLEMENTED(result); kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
result.status = ia64_pal_vm_info(in1, in2,
(pal_tc_info_u_t *)&result.v1, &result.v2);
return result; return result;
} }
...@@ -292,6 +308,108 @@ static void prepare_for_halt(struct kvm_vcpu *vcpu) ...@@ -292,6 +308,108 @@ static void prepare_for_halt(struct kvm_vcpu *vcpu)
vcpu->arch.timer_fired = 0; vcpu->arch.timer_fired = 0;
} }
static struct ia64_pal_retval pal_perf_mon_info(struct kvm_vcpu *vcpu)
{
long status;
unsigned long in0, in1, in2, in3, r9;
unsigned long pm_buffer[16];
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
status = ia64_pal_perf_mon_info(pm_buffer,
(pal_perf_mon_info_u_t *) &r9);
if (status != 0) {
printk(KERN_DEBUG"PAL_PERF_MON_INFO fails ret=%ld\n", status);
} else {
if (in1)
memcpy((void *)in1, pm_buffer, sizeof(pm_buffer));
else {
status = PAL_STATUS_EINVAL;
printk(KERN_WARNING"Invalid parameters "
"for PAL call:0x%lx!\n", in0);
}
}
return (struct ia64_pal_retval){status, r9, 0, 0};
}
static struct ia64_pal_retval pal_halt_info(struct kvm_vcpu *vcpu)
{
unsigned long in0, in1, in2, in3;
long status;
unsigned long res = 1000UL | (1000UL << 16) | (10UL << 32)
| (1UL << 61) | (1UL << 60);
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
if (in1) {
memcpy((void *)in1, &res, sizeof(res));
status = 0;
} else{
status = PAL_STATUS_EINVAL;
printk(KERN_WARNING"Invalid parameters "
"for PAL call:0x%lx!\n", in0);
}
return (struct ia64_pal_retval){status, 0, 0, 0};
}
static struct ia64_pal_retval pal_mem_attrib(struct kvm_vcpu *vcpu)
{
unsigned long r9;
long status;
status = ia64_pal_mem_attrib(&r9);
return (struct ia64_pal_retval){status, r9, 0, 0};
}
static void remote_pal_prefetch_visibility(void *v)
{
s64 trans_type = (s64)v;
ia64_pal_prefetch_visibility(trans_type);
}
static struct ia64_pal_retval pal_prefetch_visibility(struct kvm_vcpu *vcpu)
{
struct ia64_pal_retval result = {0, 0, 0, 0};
unsigned long in0, in1, in2, in3;
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
result.status = ia64_pal_prefetch_visibility(in1);
if (result.status == 0) {
/* Must be performed on all remote processors
in the coherence domain. */
smp_call_function(remote_pal_prefetch_visibility,
(void *)in1, 1);
/* Unnecessary on remote processor for other vcpus!*/
result.status = 1;
}
return result;
}
static void remote_pal_mc_drain(void *v)
{
ia64_pal_mc_drain();
}
static struct ia64_pal_retval pal_get_brand_info(struct kvm_vcpu *vcpu)
{
struct ia64_pal_retval result = {0, 0, 0, 0};
unsigned long in0, in1, in2, in3;
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
if (in1 == 0 && in2) {
char brand_info[128];
result.status = ia64_pal_get_brand_info(brand_info);
if (result.status == PAL_STATUS_SUCCESS)
memcpy((void *)in2, brand_info, 128);
} else {
result.status = PAL_STATUS_REQUIRES_MEMORY;
printk(KERN_WARNING"Invalid parameters for "
"PAL call:0x%lx!\n", in0);
}
return result;
}
int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run) int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
{ {
...@@ -300,14 +418,22 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run) ...@@ -300,14 +418,22 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
int ret = 1; int ret = 1;
gr28 = kvm_get_pal_call_index(vcpu); gr28 = kvm_get_pal_call_index(vcpu);
/*printk("pal_call index:%lx\n",gr28);*/
switch (gr28) { switch (gr28) {
case PAL_CACHE_FLUSH: case PAL_CACHE_FLUSH:
result = pal_cache_flush(vcpu); result = pal_cache_flush(vcpu);
break; break;
case PAL_MEM_ATTRIB:
result = pal_mem_attrib(vcpu);
break;
case PAL_CACHE_SUMMARY: case PAL_CACHE_SUMMARY:
result = pal_cache_summary(vcpu); result = pal_cache_summary(vcpu);
break; break;
case PAL_PERF_MON_INFO:
result = pal_perf_mon_info(vcpu);
break;
case PAL_HALT_INFO:
result = pal_halt_info(vcpu);
break;
case PAL_HALT_LIGHT: case PAL_HALT_LIGHT:
{ {
INIT_PAL_STATUS_SUCCESS(result); INIT_PAL_STATUS_SUCCESS(result);
...@@ -317,6 +443,16 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run) ...@@ -317,6 +443,16 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
} }
break; break;
case PAL_PREFETCH_VISIBILITY:
result = pal_prefetch_visibility(vcpu);
break;
case PAL_MC_DRAIN:
result.status = ia64_pal_mc_drain();
/* FIXME: All vcpus likely call PAL_MC_DRAIN.
That causes the congestion. */
smp_call_function(remote_pal_mc_drain, NULL, 1);
break;
case PAL_FREQ_RATIOS: case PAL_FREQ_RATIOS:
result = pal_freq_ratios(vcpu); result = pal_freq_ratios(vcpu);
break; break;
...@@ -346,6 +482,9 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run) ...@@ -346,6 +482,9 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
INIT_PAL_STATUS_SUCCESS(result); INIT_PAL_STATUS_SUCCESS(result);
result.v1 = (1L << 32) | 1L; result.v1 = (1L << 32) | 1L;
break; break;
case PAL_REGISTER_INFO:
result = pal_register_info(vcpu);
break;
case PAL_VM_PAGE_SIZE: case PAL_VM_PAGE_SIZE:
result.status = ia64_pal_vm_page_size(&result.v0, result.status = ia64_pal_vm_page_size(&result.v0,
&result.v1); &result.v1);
...@@ -365,12 +504,18 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run) ...@@ -365,12 +504,18 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
result.status = ia64_pal_version( result.status = ia64_pal_version(
(pal_version_u_t *)&result.v0, (pal_version_u_t *)&result.v0,
(pal_version_u_t *)&result.v1); (pal_version_u_t *)&result.v1);
break; break;
case PAL_FIXED_ADDR: case PAL_FIXED_ADDR:
result.status = PAL_STATUS_SUCCESS; result.status = PAL_STATUS_SUCCESS;
result.v0 = vcpu->vcpu_id; result.v0 = vcpu->vcpu_id;
break; break;
case PAL_BRAND_INFO:
result = pal_get_brand_info(vcpu);
break;
case PAL_GET_PSTATE:
case PAL_CACHE_SHARED_INFO:
INIT_PAL_STATUS_UNIMPLEMENTED(result);
break;
default: default:
INIT_PAL_STATUS_UNIMPLEMENTED(result); INIT_PAL_STATUS_UNIMPLEMENTED(result);
printk(KERN_WARNING"kvm: Unsupported pal call," printk(KERN_WARNING"kvm: Unsupported pal call,"
......
...@@ -607,7 +607,7 @@ static void set_pal_call_data(struct kvm_vcpu *vcpu) ...@@ -607,7 +607,7 @@ static void set_pal_call_data(struct kvm_vcpu *vcpu)
p->exit_reason = EXIT_REASON_PAL_CALL; p->exit_reason = EXIT_REASON_PAL_CALL;
} }
static void set_pal_call_result(struct kvm_vcpu *vcpu) static void get_pal_call_result(struct kvm_vcpu *vcpu)
{ {
struct exit_ctl_data *p = &vcpu->arch.exit_data; struct exit_ctl_data *p = &vcpu->arch.exit_data;
...@@ -635,7 +635,7 @@ static void set_sal_call_data(struct kvm_vcpu *vcpu) ...@@ -635,7 +635,7 @@ static void set_sal_call_data(struct kvm_vcpu *vcpu)
p->exit_reason = EXIT_REASON_SAL_CALL; p->exit_reason = EXIT_REASON_SAL_CALL;
} }
static void set_sal_call_result(struct kvm_vcpu *vcpu) static void get_sal_call_result(struct kvm_vcpu *vcpu)
{ {
struct exit_ctl_data *p = &vcpu->arch.exit_data; struct exit_ctl_data *p = &vcpu->arch.exit_data;
...@@ -658,13 +658,13 @@ void kvm_ia64_handle_break(unsigned long ifa, struct kvm_pt_regs *regs, ...@@ -658,13 +658,13 @@ void kvm_ia64_handle_break(unsigned long ifa, struct kvm_pt_regs *regs,
if (iim == DOMN_PAL_REQUEST) { if (iim == DOMN_PAL_REQUEST) {
set_pal_call_data(v); set_pal_call_data(v);
vmm_transition(v); vmm_transition(v);
set_pal_call_result(v); get_pal_call_result(v);
vcpu_increment_iip(v); vcpu_increment_iip(v);
return; return;
} else if (iim == DOMN_SAL_REQUEST) { } else if (iim == DOMN_SAL_REQUEST) {
set_sal_call_data(v); set_sal_call_data(v);
vmm_transition(v); vmm_transition(v);
set_sal_call_result(v); get_sal_call_result(v);
vcpu_increment_iip(v); vcpu_increment_iip(v);
return; return;
} }
......
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