[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[RFC PATCH v4 25/36] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX
From: |
Xiaoyao Li |
Subject: |
[RFC PATCH v4 25/36] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu |
Date: |
Thu, 12 May 2022 11:17:52 +0800 |
TDX vcpu needs to be initialized by SEAMCALL(TDH.VP.INIT) and KVM
provides vcpu level IOCTL KVM_TDX_INIT_VCPU for it.
KVM_TDX_INIT_VCPU needs the address of the HOB as input. Invoke it for
each vcpu after HOB list is created.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
target/i386/kvm/tdx.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
index 567ee12e88f0..d8b05b7749f7 100644
--- a/target/i386/kvm/tdx.c
+++ b/target/i386/kvm/tdx.c
@@ -236,6 +236,22 @@ static void tdx_init_ram_entries(void)
tdx_guest->nr_ram_entries = j;
}
+static void tdx_post_init_vcpus(void)
+{
+ TdxFirmwareEntry *hob;
+ CPUState *cpu;
+ int r;
+
+ hob = tdx_get_hob_entry(tdx_guest);
+ CPU_FOREACH(cpu) {
+ r = tdx_vcpu_ioctl(cpu, KVM_TDX_INIT_VCPU, 0, (void *)hob->address);
+ if (r < 0) {
+ error_report("KVM_TDX_INIT_VCPU failed %s", strerror(-r));
+ exit(1);
+ }
+ }
+}
+
static void tdx_finalize_vm(Notifier *notifier, void *unused)
{
TdxFirmware *tdvf = &tdx_guest->tdvf;
@@ -267,6 +283,8 @@ static void tdx_finalize_vm(Notifier *notifier, void
*unused)
tdvf_hob_create(tdx_guest, tdx_get_hob_entry(tdx_guest));
+ tdx_post_init_vcpus();
+
for_each_tdx_fw_entry(tdvf, entry) {
struct kvm_tdx_init_mem_region mem_region = {
.source_addr = (__u64)entry->mem_ptr,
--
2.27.0
- Re: [RFC PATCH v4 22/36] i386/tdx: Track RAM entries for TDX VM, (continued)
- Re: [RFC PATCH v4 22/36] i386/tdx: Track RAM entries for TDX VM, Xiaoyao Li, 2022/05/26
- Re: [RFC PATCH v4 22/36] i386/tdx: Track RAM entries for TDX VM, Isaku Yamahata, 2022/05/26
- Re: [RFC PATCH v4 22/36] i386/tdx: Track RAM entries for TDX VM, Xiaoyao Li, 2022/05/27
- Re: [RFC PATCH v4 22/36] i386/tdx: Track RAM entries for TDX VM, Gerd Hoffmann, 2022/05/30
- Re: [RFC PATCH v4 22/36] i386/tdx: Track RAM entries for TDX VM, Xiaoyao Li, 2022/05/30
- Re: [RFC PATCH v4 22/36] i386/tdx: Track RAM entries for TDX VM, Xiaoyao Li, 2022/05/27
[RFC PATCH v4 24/36] i386/tdx: Add TDVF memory via KVM_TDX_INIT_MEM_REGION, Xiaoyao Li, 2022/05/11
[RFC PATCH v4 25/36] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu,
Xiaoyao Li <=
[RFC PATCH v4 23/36] i386/tdx: Setup the TD HOB list, Xiaoyao Li, 2022/05/11
[RFC PATCH v4 27/36] i386/tdx: Disable SMM for TDX VMs, Xiaoyao Li, 2022/05/11
[RFC PATCH v4 29/36] i386/tdx: Don't allow system reset for TDX VMs, Xiaoyao Li, 2022/05/11
[RFC PATCH v4 30/36] hw/i386: add eoi_intercept_unsupported member to X86MachineState, Xiaoyao Li, 2022/05/11
[RFC PATCH v4 26/36] i386/tdx: Finalize TDX VM, Xiaoyao Li, 2022/05/11