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[PATCH v1 29/40] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu
From: |
Xiaoyao Li |
Subject: |
[PATCH v1 29/40] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu |
Date: |
Tue, 2 Aug 2022 15:47:39 +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>
Acked-by: Gerd Hoffmann <kraxel@redhat.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 d0bbe06f5504..2dbe26f2e950 100644
--- a/target/i386/kvm/tdx.c
+++ b/target/i386/kvm/tdx.c
@@ -571,6 +571,22 @@ 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;
@@ -602,6 +618,8 @@ 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: [PATCH v1 26/40] headers: Add definitions from UEFI spec for volumes, resources, etc..., (continued)
- [PATCH v1 27/40] i386/tdx: Setup the TD HOB list, Xiaoyao Li, 2022/08/02
- [PATCH v1 31/40] i386/tdx: Disable SMM for TDX VMs, Xiaoyao Li, 2022/08/02
- [PATCH v1 32/40] i386/tdx: Disable PIC for TDX VMs, Xiaoyao Li, 2022/08/02
- [PATCH v1 28/40] i386/tdx: Add TDVF memory via KVM_TDX_INIT_MEM_REGION, Xiaoyao Li, 2022/08/02
- [PATCH v1 25/40] i386/tdx: Track RAM entries for TDX VM, Xiaoyao Li, 2022/08/02
- [PATCH v1 23/40] i386/tdx: Don't initialize pc.rom for TDX VMs, Xiaoyao Li, 2022/08/02
- [PATCH v1 33/40] i386/tdx: Don't allow system reset for TDX VMs, Xiaoyao Li, 2022/08/02
- [PATCH v1 29/40] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu,
Xiaoyao Li <=
- [PATCH v1 30/40] i386/tdx: Finalize TDX VM, Xiaoyao Li, 2022/08/02
- [PATCH v1 24/40] i386/tdx: Track mem_ptr for each firmware entry of TDVF, Xiaoyao Li, 2022/08/02
- [PATCH v1 34/40] hw/i386: add eoi_intercept_unsupported member to X86MachineState, Xiaoyao Li, 2022/08/02
- [PATCH v1 36/40] i386/tdx: Don't synchronize guest tsc for TDs, Xiaoyao Li, 2022/08/02
- [PATCH v1 38/40] i386/tdx: Skip kvm_put_apicbase() for TDs, Xiaoyao Li, 2022/08/02
- [PATCH v1 35/40] hw/i386: add option to forcibly report edge trigger in acpi tables, Xiaoyao Li, 2022/08/02