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| author | Yang Zhong <yang.zhong@intel.com> | 2021-09-10 18:22:56 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-09-30 15:30:24 +0200 |
| commit | 57d874c4c7a0acbaa076a166e3da093b6edbdb0f (patch) | |
| tree | 1da4da237c64d35d8dcccc32df4d73f5fd9af9f1 /hw/i386 | |
| parent | c5348c6a163f6956e7f640902b7401a1b4bad8c7 (diff) | |
| download | qemu-57d874c4c7a0acbaa076a166e3da093b6edbdb0f.zip qemu-57d874c4c7a0acbaa076a166e3da093b6edbdb0f.tar.gz qemu-57d874c4c7a0acbaa076a166e3da093b6edbdb0f.tar.bz2 | |
target/i386: Add HMP and QMP interfaces for SGX
The QMP and HMP interfaces can be used by monitor or QMP tools to retrieve
the SGX information from VM side when SGX is enabled on Intel platform.
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20210910102258.46648-2-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/sgx-stub.c | 7 | ||||
| -rw-r--r-- | hw/i386/sgx.c | 31 |
2 files changed, 38 insertions, 0 deletions
diff --git a/hw/i386/sgx-stub.c b/hw/i386/sgx-stub.c index 483c72b..485e16e 100644 --- a/hw/i386/sgx-stub.c +++ b/hw/i386/sgx-stub.c @@ -1,6 +1,13 @@ #include "qemu/osdep.h" #include "hw/i386/pc.h" #include "hw/i386/sgx-epc.h" +#include "hw/i386/sgx.h" + +SGXInfo *sgx_get_info(Error **errp) +{ + error_setg(errp, "SGX support is not compiled in"); + return NULL; +} void pc_machine_init_sgx_epc(PCMachineState *pcms) { diff --git a/hw/i386/sgx.c b/hw/i386/sgx.c index 8a18cdd..ea75398 100644 --- a/hw/i386/sgx.c +++ b/hw/i386/sgx.c @@ -17,6 +17,37 @@ #include "monitor/qdev.h" #include "qapi/error.h" #include "exec/address-spaces.h" +#include "hw/i386/sgx.h" + +SGXInfo *sgx_get_info(Error **errp) +{ + SGXInfo *info = NULL; + X86MachineState *x86ms; + PCMachineState *pcms = + (PCMachineState *)object_dynamic_cast(qdev_get_machine(), + TYPE_PC_MACHINE); + if (!pcms) { + error_setg(errp, "SGX is only supported on PC machines"); + return NULL; + } + + x86ms = X86_MACHINE(pcms); + if (!x86ms->sgx_epc_list) { + error_setg(errp, "No EPC regions defined, SGX not available"); + return NULL; + } + + SGXEPCState *sgx_epc = &pcms->sgx_epc; + info = g_new0(SGXInfo, 1); + + info->sgx = true; + info->sgx1 = true; + info->sgx2 = true; + info->flc = true; + info->section_size = sgx_epc->size; + + return info; +} int sgx_epc_get_section(int section_nr, uint64_t *addr, uint64_t *size) { |