static void vmx_cpu_basic_info()
{
rd_msr_vmx_basic_info(info->vm.vmx_info);
rd_msr_vmx_misc_data(info->vm.vmx_misc);
if(info->vm.vmx_info.true_f1)
{
rd_msr_vmx_true_pin_ctls(info->vm.vmx_fx_pin);
rd_msr_vmx_true_proc_ctls(info->vm.vmx_fx_proc);
rd_msr_vmx_true_entry_ctls(info->vm.vmx_fx_entry);
rd_msr_vmx_true_exit_ctls(info->vm.vmx_fx_exit);
}
else
{
rd_msr_vmx_pin_ctls(info->vm.vmx_fx_pin);
rd_msr_vmx_proc_ctls(info->vm.vmx_fx_proc);
rd_msr_vmx_entry_ctls(info->vm.vmx_fx_entry);
rd_msr_vmx_exit_ctls(info->vm.vmx_fx_exit);
}
#ifdef CONFIG_VMX_CPU_DBG
vmx_show_basic_info();
vmx_show_misc_data();
vmx_show_fixed_pin_ctls();
vmx_show_fixed_proc_ctls();
vmx_show_fixed_entry_ctls();
vmx_show_fixed_exit_ctls();
#endif
/* should be 1 if uguest available, and as we need uguest */
if(!info->vm.vmx_misc.lma)
panic("vmx misc ia32e/lma missing");
#ifdef CONFIG_VMX_FEAT_EXIT_EXT_IO
if(!info->vm.vmx_info.io_insn)
panic("vmx ins/outs info not given on VM-exit");
#endif
}
static void vmx_cpu_features()
{
feat_ctl_msr_t feat;
if(!vmx_supported())
panic("vmx not supported");
rd_msr_feature_ctrl(feat);
if(!feat.vmx && feat.lock)
panic("vmx feature BIOS-locked: 0x%x", feat.raw);
if(!feat.lock)
{
if(!feat.vmx)
feat.vmx = 1;
feat.lock = 1;
wr_msr_feature_ctrl(feat);
}
rd_msr_vmx_basic_info(info->vm.vmx_info);
debug(VMX_CPU, "vmx revision %d\n", info->vm.vmx_info.revision_id);
if(info->vm.vmx_info.true_f1)
{
rd_msr_vmx_true_pin_ctls(info->vm.vmx_fx_pin);
rd_msr_vmx_true_proc_ctls(info->vm.vmx_fx_proc);
rd_msr_vmx_true_exit_ctls(info->vm.vmx_fx_exit);
rd_msr_vmx_true_entry_ctls(info->vm.vmx_fx_entry);
}
else
{
rd_msr_vmx_pin_ctls(info->vm.vmx_fx_pin);
rd_msr_vmx_proc_ctls(info->vm.vmx_fx_proc);
rd_msr_vmx_exit_ctls(info->vm.vmx_fx_exit);
rd_msr_vmx_entry_ctls(info->vm.vmx_fx_entry);
}
if(!vmx_allow_proc2(info->vm.vmx_fx_proc))
panic("vmx missing features (secondary proc based) !");
rd_msr_vmx_proc2_ctls(info->vm.vmx_fx_proc2);
if(!vmx_allow_ept(info->vm.vmx_fx_proc2))
panic("vmx ept not supported");
if(!vmx_allow_dt(info->vm.vmx_fx_proc2))
panic("vmx desc table exiting not supported");
if(!vmx_allow_vpid(info->vm.vmx_fx_proc2))
panic("vmx vpid not supported");
if(!vmx_allow_uguest(info->vm.vmx_fx_proc2))
panic("vmx missing unrestricted guest\n");
rd_msr_vmx_ept_cap(info->vm.vmx_ept_cap);
if(!info->vm.vmx_ept_cap.wb)
panic("vmx ept mem type only UC");
if(!info->vm.vmx_ept_cap.pwl4)
panic("unsupported page walk length");
rd_msr_vmx_fixed_cr0(info->vm.vmx_fx_cr0);
rd_msr_vmx_fixed_cr4(info->vm.vmx_fx_cr4);
/* unrestricted guest */
info->vm.vmx_fx_cr0.allow_0 &= ~(CR0_PG|CR0_PE);
info->vm.vmx_fx_cr0.allow_1 |= (CR0_PG|CR0_PE);
}