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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: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiantao Zhang
Avi Kivity
parent
4b7bb626e3
commit
7d656bd996
@ -227,6 +227,18 @@ static struct ia64_pal_retval pal_proc_get_features(struct kvm_vcpu *vcpu)
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return result;
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}
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static struct ia64_pal_retval pal_register_info(struct kvm_vcpu *vcpu)
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{
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struct ia64_pal_retval result = {0, 0, 0, 0};
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long in0, in1, in2, in3;
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kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
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result.status = ia64_pal_register_info(in1, &result.v1, &result.v2);
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return result;
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}
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static struct ia64_pal_retval pal_cache_info(struct kvm_vcpu *vcpu)
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{
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@ -268,8 +280,12 @@ static struct ia64_pal_retval pal_vm_summary(struct kvm_vcpu *vcpu)
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static struct ia64_pal_retval pal_vm_info(struct kvm_vcpu *vcpu)
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{
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struct ia64_pal_retval result;
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unsigned long in0, in1, in2, in3;
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INIT_PAL_STATUS_UNIMPLEMENTED(result);
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kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
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result.status = ia64_pal_vm_info(in1, in2,
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(pal_tc_info_u_t *)&result.v1, &result.v2);
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return result;
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}
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@ -292,6 +308,108 @@ static void prepare_for_halt(struct kvm_vcpu *vcpu)
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vcpu->arch.timer_fired = 0;
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}
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static struct ia64_pal_retval pal_perf_mon_info(struct kvm_vcpu *vcpu)
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{
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long status;
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unsigned long in0, in1, in2, in3, r9;
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unsigned long pm_buffer[16];
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kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
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status = ia64_pal_perf_mon_info(pm_buffer,
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(pal_perf_mon_info_u_t *) &r9);
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if (status != 0) {
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printk(KERN_DEBUG"PAL_PERF_MON_INFO fails ret=%ld\n", status);
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} else {
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if (in1)
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memcpy((void *)in1, pm_buffer, sizeof(pm_buffer));
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else {
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status = PAL_STATUS_EINVAL;
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printk(KERN_WARNING"Invalid parameters "
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"for PAL call:0x%lx!\n", in0);
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}
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}
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return (struct ia64_pal_retval){status, r9, 0, 0};
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}
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static struct ia64_pal_retval pal_halt_info(struct kvm_vcpu *vcpu)
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{
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unsigned long in0, in1, in2, in3;
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long status;
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unsigned long res = 1000UL | (1000UL << 16) | (10UL << 32)
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| (1UL << 61) | (1UL << 60);
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kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
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if (in1) {
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memcpy((void *)in1, &res, sizeof(res));
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status = 0;
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} else{
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status = PAL_STATUS_EINVAL;
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printk(KERN_WARNING"Invalid parameters "
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"for PAL call:0x%lx!\n", in0);
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}
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return (struct ia64_pal_retval){status, 0, 0, 0};
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}
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static struct ia64_pal_retval pal_mem_attrib(struct kvm_vcpu *vcpu)
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{
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unsigned long r9;
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long status;
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status = ia64_pal_mem_attrib(&r9);
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return (struct ia64_pal_retval){status, r9, 0, 0};
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}
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static void remote_pal_prefetch_visibility(void *v)
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{
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s64 trans_type = (s64)v;
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ia64_pal_prefetch_visibility(trans_type);
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}
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static struct ia64_pal_retval pal_prefetch_visibility(struct kvm_vcpu *vcpu)
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{
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struct ia64_pal_retval result = {0, 0, 0, 0};
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unsigned long in0, in1, in2, in3;
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kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
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result.status = ia64_pal_prefetch_visibility(in1);
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if (result.status == 0) {
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/* Must be performed on all remote processors
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in the coherence domain. */
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smp_call_function(remote_pal_prefetch_visibility,
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(void *)in1, 1);
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/* Unnecessary on remote processor for other vcpus!*/
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result.status = 1;
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}
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return result;
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}
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static void remote_pal_mc_drain(void *v)
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{
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ia64_pal_mc_drain();
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}
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static struct ia64_pal_retval pal_get_brand_info(struct kvm_vcpu *vcpu)
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{
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struct ia64_pal_retval result = {0, 0, 0, 0};
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unsigned long in0, in1, in2, in3;
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kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
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if (in1 == 0 && in2) {
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char brand_info[128];
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result.status = ia64_pal_get_brand_info(brand_info);
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if (result.status == PAL_STATUS_SUCCESS)
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memcpy((void *)in2, brand_info, 128);
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} else {
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result.status = PAL_STATUS_REQUIRES_MEMORY;
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printk(KERN_WARNING"Invalid parameters for "
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"PAL call:0x%lx!\n", in0);
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}
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return result;
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}
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int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
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{
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@ -300,14 +418,22 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
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int ret = 1;
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gr28 = kvm_get_pal_call_index(vcpu);
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/*printk("pal_call index:%lx\n",gr28);*/
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switch (gr28) {
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case PAL_CACHE_FLUSH:
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result = pal_cache_flush(vcpu);
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break;
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case PAL_MEM_ATTRIB:
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result = pal_mem_attrib(vcpu);
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break;
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case PAL_CACHE_SUMMARY:
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result = pal_cache_summary(vcpu);
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break;
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case PAL_PERF_MON_INFO:
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result = pal_perf_mon_info(vcpu);
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break;
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case PAL_HALT_INFO:
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result = pal_halt_info(vcpu);
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break;
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case PAL_HALT_LIGHT:
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{
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INIT_PAL_STATUS_SUCCESS(result);
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@ -317,6 +443,16 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
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}
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break;
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case PAL_PREFETCH_VISIBILITY:
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result = pal_prefetch_visibility(vcpu);
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break;
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case PAL_MC_DRAIN:
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result.status = ia64_pal_mc_drain();
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/* FIXME: All vcpus likely call PAL_MC_DRAIN.
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That causes the congestion. */
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smp_call_function(remote_pal_mc_drain, NULL, 1);
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break;
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case PAL_FREQ_RATIOS:
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result = pal_freq_ratios(vcpu);
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break;
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@ -346,6 +482,9 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
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INIT_PAL_STATUS_SUCCESS(result);
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result.v1 = (1L << 32) | 1L;
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break;
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case PAL_REGISTER_INFO:
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result = pal_register_info(vcpu);
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break;
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case PAL_VM_PAGE_SIZE:
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result.status = ia64_pal_vm_page_size(&result.v0,
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&result.v1);
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@ -365,12 +504,18 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
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result.status = ia64_pal_version(
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(pal_version_u_t *)&result.v0,
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(pal_version_u_t *)&result.v1);
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break;
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case PAL_FIXED_ADDR:
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result.status = PAL_STATUS_SUCCESS;
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result.v0 = vcpu->vcpu_id;
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break;
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case PAL_BRAND_INFO:
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result = pal_get_brand_info(vcpu);
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break;
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case PAL_GET_PSTATE:
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case PAL_CACHE_SHARED_INFO:
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INIT_PAL_STATUS_UNIMPLEMENTED(result);
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break;
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default:
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INIT_PAL_STATUS_UNIMPLEMENTED(result);
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printk(KERN_WARNING"kvm: Unsupported pal call,"
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@ -607,7 +607,7 @@ static void set_pal_call_data(struct kvm_vcpu *vcpu)
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p->exit_reason = EXIT_REASON_PAL_CALL;
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}
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static void set_pal_call_result(struct kvm_vcpu *vcpu)
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static void get_pal_call_result(struct kvm_vcpu *vcpu)
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{
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struct exit_ctl_data *p = &vcpu->arch.exit_data;
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@ -635,7 +635,7 @@ static void set_sal_call_data(struct kvm_vcpu *vcpu)
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p->exit_reason = EXIT_REASON_SAL_CALL;
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}
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static void set_sal_call_result(struct kvm_vcpu *vcpu)
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static void get_sal_call_result(struct kvm_vcpu *vcpu)
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{
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struct exit_ctl_data *p = &vcpu->arch.exit_data;
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@ -658,13 +658,13 @@ void kvm_ia64_handle_break(unsigned long ifa, struct kvm_pt_regs *regs,
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if (iim == DOMN_PAL_REQUEST) {
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set_pal_call_data(v);
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vmm_transition(v);
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set_pal_call_result(v);
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get_pal_call_result(v);
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vcpu_increment_iip(v);
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return;
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} else if (iim == DOMN_SAL_REQUEST) {
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set_sal_call_data(v);
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vmm_transition(v);
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set_sal_call_result(v);
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get_sal_call_result(v);
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vcpu_increment_iip(v);
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return;
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}
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