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[PULL v4 27/43] i386/pc: Add e820 entry for SGX EPC section(s)
From: |
Paolo Bonzini |
Subject: |
[PULL v4 27/43] i386/pc: Add e820 entry for SGX EPC section(s) |
Date: |
Wed, 8 Sep 2021 12:04:10 +0200 |
From: Sean Christopherson <sean.j.christopherson@intel.com>
Note that SGX EPC is currently guaranteed to reside in a single
contiguous chunk of memory regardless of the number of EPC sections.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20210719112136.57018-19-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
hw/i386/pc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 58700af138..1260fb6197 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -883,6 +883,10 @@ void pc_memory_init(PCMachineState *pcms,
e820_add_entry(0x100000000ULL, x86ms->above_4g_mem_size, E820_RAM);
}
+ if (pcms->sgx_epc.size != 0) {
+ e820_add_entry(pcms->sgx_epc.base, pcms->sgx_epc.size, E820_RESERVED);
+ }
+
if (!pcmc->has_reserved_memory &&
(machine->ram_slots ||
(machine->maxram_size > machine->ram_size))) {
--
2.31.1
- [PULL v4 13/43] vl: Add sgx compound properties to expose SGX EPC sections to guest, (continued)
- [PULL v4 13/43] vl: Add sgx compound properties to expose SGX EPC sections to guest, Paolo Bonzini, 2021/09/08
- [PULL v4 18/43] i386: Add get/set/migrate support for SGX_LEPUBKEYHASH MSRs, Paolo Bonzini, 2021/09/08
- [PULL v4 24/43] Adjust min CPUID level to 0x12 when SGX is enabled, Paolo Bonzini, 2021/09/08
- [PULL v4 12/43] i386: Add 'sgx-epc' device to expose EPC sections to guest, Paolo Bonzini, 2021/09/08
- [PULL v4 21/43] i386: Update SGX CPUID info according to hardware/KVM/user input, Paolo Bonzini, 2021/09/08
- [PULL v4 22/43] i386: kvm: Add support for exposing PROVISIONKEY to guest, Paolo Bonzini, 2021/09/08
- [PULL v4 19/43] fw_cfg: add etc/msr_feature_control, Paolo Bonzini, 2021/09/08
- [PULL v4 27/43] i386/pc: Add e820 entry for SGX EPC section(s),
Paolo Bonzini <=
- [PULL v4 32/43] sgx-epc: Add the reset interface for sgx-epc virt device, Paolo Bonzini, 2021/09/08
- [PULL v4 15/43] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EAX, Paolo Bonzini, 2021/09/08
- [PULL v4 36/43] sgx-epc: Add the fill_device_info() callback support, Paolo Bonzini, 2021/09/08
- [PULL v4 40/43] docs/system: move x86 CPU configuration to a separate document, Paolo Bonzini, 2021/09/08
- [PULL v4 39/43] docs/system: standardize man page sections to --- with overline, Paolo Bonzini, 2021/09/08
- [PULL v4 23/43] i386: Propagate SGX CPUID sub-leafs to KVM, Paolo Bonzini, 2021/09/08
- [PULL v4 25/43] hw/i386/fw_cfg: Set SGX bits in feature control fw_cfg accordingly, Paolo Bonzini, 2021/09/08
- [PULL v4 28/43] i386: acpi: Add SGX EPC entry to ACPI tables, Paolo Bonzini, 2021/09/08
- [PULL v4 26/43] hw/i386/pc: Account for SGX EPC sections when calculating device memory, Paolo Bonzini, 2021/09/08