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authorRichard Henderson2021-10-13 15:56:45 +0200
committerRichard Henderson2021-10-13 15:56:45 +0200
commit946de558354c99e1989621abe053f2ab87dc8de9 (patch)
tree3b8333edfbfa1d6d2c0c17de4d1674463e56fc83 /hw/misc/applesmc.c
parentMerge remote-tracking branch 'remotes/jsnow/tags/python-pull-request' into st... (diff)
parentebpf: really include it only in system emulators (diff)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* SEV and SGX cleanups (Philippe, Dov) * bugfixes for "check-block" * bugfix for static build * ObjectOptions cleanups (Thomas) * binutils fix for PVH (Cole) * HVF cleanup (Alex) # gpg: Signature made Wed 13 Oct 2021 01:47:56 AM PDT # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "pbonzini@redhat.com" # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] * remotes/bonzini/tags/for-upstream: (40 commits) ebpf: really include it only in system emulators target/i386/sev: Use local variable for kvm_sev_launch_measure target/i386/sev: Use local variable for kvm_sev_launch_start monitor: Tidy up find_device_state() Revert "hw/misc: applesmc: use host osk as default on macs" hw/i386/sgx: Move qmp_query_sgx() and hmp_info_sgx() to hw/i386/sgx.c hw/i386/sgx: Move qmp_query_sgx_capabilities() to hw/i386/sgx.c hw/i386/sgx: Have sgx_epc_get_section() return a boolean MAINTAINERS: Cover SGX documentation file with X86/KVM section hvf: Determine slot count from struct layout tests: tcg: Fix PVH test with binutils 2.36+ qapi: Make some ObjectTypes depend on the build settings MAINTAINERS: Cover SEV-related files with X86/KVM section monitor: Reduce hmp_info_sev() declaration target/i386/sev: Move qmp_query_sev() & hmp_info_sev() to sev.c target/i386/sev: Move qmp_query_sev_launch_measure() to sev.c target/i386/sev: Move qmp_query_sev_capabilities() to sev.c target/i386/sev: Move qmp_sev_inject_launch_secret() to sev.c target/i386/sev: Move qmp_query_sev_attestation_report() to sev.c target/i386/sev: Remove stubs by using code elision ... Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'hw/misc/applesmc.c')
-rw-r--r--hw/misc/applesmc.c192
1 files changed, 1 insertions, 191 deletions
diff --git a/hw/misc/applesmc.c b/hw/misc/applesmc.c
index cec247b5ee..1b9acaf1d3 100644
--- a/hw/misc/applesmc.c
+++ b/hw/misc/applesmc.c
@@ -38,171 +38,6 @@
#include "qemu/timer.h"
#include "qom/object.h"
-#if defined(__APPLE__) && defined(__MACH__)
-#include <IOKit/IOKitLib.h>
-
-enum {
- kSMCSuccess = 0x00,
- kSMCKeyNotFound = 0x84
-};
-
-enum {
- kSMCUserClientOpen = 0x00,
- kSMCUserClientClose = 0x01,
- kSMCHandleYPCEvent = 0x02,
- kSMCReadKey = 0x05,
- kSMCGetKeyInfo = 0x09
-};
-
-typedef struct SMCVersion {
- uint8_t major;
- uint8_t minor;
- uint8_t build;
- uint8_t reserved;
- uint16_t release;
-} SMCVersion;
-
-typedef struct SMCPLimitData {
- uint16_t version;
- uint16_t length;
- uint32_t cpuPLimit;
- uint32_t gpuPLimit;
- uint32_t memPLimit;
-} SMCPLimitData;
-
-typedef struct SMCKeyInfoData {
- IOByteCount dataSize;
- uint32_t dataType;
- uint8_t dataAttributes;
-} SMCKeyInfoData;
-
-typedef struct {
- uint32_t key;
- SMCVersion vers;
- SMCPLimitData pLimitData;
- SMCKeyInfoData keyInfo;
- uint8_t result;
- uint8_t status;
- uint8_t data8;
- uint32_t data32;
- uint8_t bytes[32];
-} SMCParamStruct;
-
-static IOReturn smc_call_struct_method(uint32_t selector,
- SMCParamStruct *inputStruct,
- SMCParamStruct *outputStruct)
-{
- IOReturn ret;
-
- size_t inputStructCnt = sizeof(SMCParamStruct);
- size_t outputStructCnt = sizeof(SMCParamStruct);
-
- io_service_t smcService = IO_OBJECT_NULL;
- io_connect_t smcConnect = IO_OBJECT_NULL;
-
- smcService = IOServiceGetMatchingService(kIOMasterPortDefault,
- IOServiceMatching("AppleSMC"));
- if (smcService == IO_OBJECT_NULL) {
- ret = kIOReturnNotFound;
- goto exit;
- }
-
- ret = IOServiceOpen(smcService, mach_task_self(), 1, &smcConnect);
- if (ret != kIOReturnSuccess) {
- smcConnect = IO_OBJECT_NULL;
- goto exit;
- }
- if (smcConnect == IO_OBJECT_NULL) {
- ret = kIOReturnError;
- goto exit;
- }
-
- ret = IOConnectCallMethod(smcConnect, kSMCUserClientOpen,
- NULL, 0, NULL, 0,
- NULL, NULL, NULL, NULL);
- if (ret != kIOReturnSuccess) {
- goto exit;
- }
-
- ret = IOConnectCallStructMethod(smcConnect, selector,
- inputStruct, inputStructCnt,
- outputStruct, &outputStructCnt);
-
-exit:
- if (smcConnect != IO_OBJECT_NULL) {
- IOConnectCallMethod(smcConnect, kSMCUserClientClose,
- NULL, 0, NULL, 0, NULL,
- NULL, NULL, NULL);
- IOServiceClose(smcConnect);
- }
-
- return ret;
-}
-
-static IOReturn smc_read_key(uint32_t key,
- uint8_t *bytes,
- IOByteCount *dataSize)
-{
- IOReturn ret;
-
- SMCParamStruct inputStruct;
- SMCParamStruct outputStruct;
-
- if (key == 0 || bytes == NULL) {
- ret = kIOReturnCannotWire;
- goto exit;
- }
-
- /* determine key's data size */
- memset(&inputStruct, 0, sizeof(SMCParamStruct));
- inputStruct.data8 = kSMCGetKeyInfo;
- inputStruct.key = key;
-
- memset(&outputStruct, 0, sizeof(SMCParamStruct));
- ret = smc_call_struct_method(kSMCHandleYPCEvent, &inputStruct, &outputStruct);
- if (ret != kIOReturnSuccess) {
- goto exit;
- }
- if (outputStruct.result == kSMCKeyNotFound) {
- ret = kIOReturnNotFound;
- goto exit;
- }
- if (outputStruct.result != kSMCSuccess) {
- ret = kIOReturnInternalError;
- goto exit;
- }
-
- /* get key value */
- memset(&inputStruct, 0, sizeof(SMCParamStruct));
- inputStruct.data8 = kSMCReadKey;
- inputStruct.key = key;
- inputStruct.keyInfo.dataSize = outputStruct.keyInfo.dataSize;
-
- memset(&outputStruct, 0, sizeof(SMCParamStruct));
- ret = smc_call_struct_method(kSMCHandleYPCEvent, &inputStruct, &outputStruct);
- if (ret != kIOReturnSuccess) {
- goto exit;
- }
- if (outputStruct.result == kSMCKeyNotFound) {
- ret = kIOReturnNotFound;
- goto exit;
- }
- if (outputStruct.result != kSMCSuccess) {
- ret = kIOReturnInternalError;
- goto exit;
- }
-
- memset(bytes, 0, *dataSize);
- if (*dataSize > inputStruct.keyInfo.dataSize) {
- *dataSize = inputStruct.keyInfo.dataSize;
- }
- memcpy(bytes, outputStruct.bytes, *dataSize);
-
-exit:
- return ret;
-}
-#endif
-
/* #define DEBUG_SMC */
#define APPLESMC_DEFAULT_IOBASE 0x300
@@ -480,7 +315,6 @@ static const MemoryRegionOps applesmc_err_io_ops = {
static void applesmc_isa_realize(DeviceState *dev, Error **errp)
{
AppleSMCState *s = APPLE_SMC(dev);
- bool valid_key = false;
memory_region_init_io(&s->io_data, OBJECT(s), &applesmc_data_io_ops, s,
"applesmc-data", 1);
@@ -497,31 +331,7 @@ static void applesmc_isa_realize(DeviceState *dev, Error **errp)
isa_register_ioport(&s->parent_obj, &s->io_err,
s->iobase + APPLESMC_ERR_PORT);
- if (s->osk) {
- valid_key = strlen(s->osk) == 64;
- } else {
-#if defined(__APPLE__) && defined(__MACH__)
- IOReturn ret;
- IOByteCount size = 32;
-
- ret = smc_read_key('OSK0', (uint8_t *) default_osk, &size);
- if (ret != kIOReturnSuccess) {
- goto failure;
- }
-
- ret = smc_read_key('OSK1', (uint8_t *) default_osk + size, &size);
- if (ret != kIOReturnSuccess) {
- goto failure;
- }
-
- warn_report("Using AppleSMC with host key");
- valid_key = true;
- s->osk = default_osk;
-failure:;
-#endif
- }
-
- if (!valid_key) {
+ if (!s->osk || (strlen(s->osk) != 64)) {
warn_report("Using AppleSMC with invalid key");
s->osk = default_osk;
}