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[PATCH 19/32] i386/pc: Add e820 entry for SGX EPC section(s)
From: |
Yang Zhong |
Subject: |
[PATCH 19/32] i386/pc: Add e820 entry for SGX EPC section(s) |
Date: |
Mon, 19 Apr 2021 18:01:43 +0800 |
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>
---
hw/i386/pc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index ca8ec072bc..d556eaca25 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -895,6 +895,10 @@ void pc_memory_init(PCMachineState *pcms,
e820_add_entry(0x100000000ULL, x86ms->above_4g_mem_size, E820_RAM);
}
+ if (pcms->sgx_epc != NULL) {
+ 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))) {
--
2.29.2.334.gfaefdd61ec
- [PATCH 10/32] i386: Add get/set/migrate support for SGX_LEPUBKEYHASH MSRs, (continued)
- [PATCH 10/32] i386: Add get/set/migrate support for SGX_LEPUBKEYHASH MSRs, Yang Zhong, 2021/04/19
- [PATCH 07/32] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EAX, Yang Zhong, 2021/04/19
- [PATCH 12/32] i386: Update SGX CPUID info according to hardware/KVM/user input, Yang Zhong, 2021/04/19
- [PATCH 11/32] i386: Add feature control MSR dependency when SGX is enabled, Yang Zhong, 2021/04/19
- [PATCH 13/32] linux-headers: Add placeholder for KVM_CAP_SGX_ATTRIBUTE, Yang Zhong, 2021/04/19
- [PATCH 15/32] i386: Propagate SGX CPUID sub-leafs to KVM, Yang Zhong, 2021/04/19
- [PATCH 14/32] i386: kvm: Add support for exposing PROVISIONKEY to guest, Yang Zhong, 2021/04/19
- [PATCH 16/32] Adjust min CPUID level to 0x12 when SGX is enabled, Yang Zhong, 2021/04/19
- [PATCH 17/32] hw/i386/fw_cfg: Set SGX bits in feature control fw_cfg accordingly, Yang Zhong, 2021/04/19
- [PATCH 18/32] hw/i386/pc: Account for SGX EPC sections when calculating device memory, Yang Zhong, 2021/04/19
- [PATCH 19/32] i386/pc: Add e820 entry for SGX EPC section(s),
Yang Zhong <=
- [PATCH 20/32] i386: acpi: Add SGX EPC entry to ACPI tables, Yang Zhong, 2021/04/19
- [PATCH 21/32] q35: Add support for SGX EPC, Yang Zhong, 2021/04/19
- [PATCH 22/32] i440fx: Add support for SGX EPC, Yang Zhong, 2021/04/19
- [PATCH 23/32] hostmem: Add the reset interface for EPC backend reset, Yang Zhong, 2021/04/19
- [PATCH 24/32] sgx-epc: Add the reset interface for sgx-epc virt device, Yang Zhong, 2021/04/19
- [PATCH 25/32] qmp: Add query-sgx command, Yang Zhong, 2021/04/19
- [PATCH 26/32] hmp: Add 'info sgx' command, Yang Zhong, 2021/04/19
- [PATCH 28/32] bitops: Support 32 and 64 bit mask macro, Yang Zhong, 2021/04/19
- [PATCH 27/32] i386: Add sgx_get_info() interface, Yang Zhong, 2021/04/19
- [PATCH 29/32] qmp: Add the qmp_query_sgx_capabilities(), Yang Zhong, 2021/04/19