[edk2-devel] [PATCH V3 2/6] IntelSiliconPkg/Include: Add Platform Device Security Policy protocol
Ni, Ray
ray.ni at intel.com
Fri Nov 8 07:10:13 UTC 2019
With that, Reviewed-by: Ray Ni <ray.ni at intel.com>
> -----Original Message-----
> From: Yao, Jiewen <jiewen.yao at intel.com>
> Sent: Friday, November 8, 2019 3:01 PM
> To: Ni, Ray <ray.ni at intel.com>; devel at edk2.groups.io
> Cc: Chaganty, Rangasai V <rangasai.v.chaganty at intel.com>; Lou, Yun <yun.lou at intel.com>
> Subject: RE: [PATCH V3 2/6] IntelSiliconPkg/Include: Add Platform Device Security Policy protocol
>
> Good catch.
> No special meaning.
>
> I will use _VERSION.
>
> Thank you
> Yao Jiewen
>
> > -----Original Message-----
> > From: Ni, Ray <ray.ni at intel.com>
> > Sent: Friday, November 8, 2019 3:00 PM
> > To: Yao, Jiewen <jiewen.yao at intel.com>; devel at edk2.groups.io
> > Cc: Chaganty, Rangasai V <rangasai.v.chaganty at intel.com>; Lou, Yun
> > <yun.lou at intel.com>
> > Subject: RE: [PATCH V3 2/6] IntelSiliconPkg/Include: Add Platform Device
> > Security Policy protocol
> >
> > Jiewen,
> > The structure field is named "Version" while the macro is ended with
> > "_REVISION".
> > Is there a special reason for such inconsistency?
> >
> > Thanks,
> > Ray
> >
> > > -----Original Message-----
> > > From: Yao, Jiewen <jiewen.yao at intel.com>
> > > Sent: Thursday, November 7, 2019 9:38 PM
> > > To: devel at edk2.groups.io
> > > Cc: Ni, Ray <ray.ni at intel.com>; Chaganty, Rangasai V
> > > <rangasai.v.chaganty at intel.com>; Lou, Yun <yun.lou at intel.com>
> > > Subject: [PATCH V3 2/6] IntelSiliconPkg/Include: Add Platform Device
> > > Security Policy protocol
> > >
> > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2303
> > >
> > > Cc: Ray Ni <ray.ni at intel.com>
> > > Cc: Rangasai V Chaganty <rangasai.v.chaganty at intel.com>
> > > Cc: Yun Lou <yun.lou at intel.com>
> > > Signed-off-by: Jiewen Yao <jiewen.yao at intel.com>
> > > ---
> > > .../Protocol/PlatformDeviceSecurityPolicy.h | 128 ++++++++++++++++++
> > > 1 file changed, 128 insertions(+)
> > > create mode 100644
> > > Silicon/Intel/IntelSiliconPkg/Include/Protocol/PlatformDeviceSecurityPolicy.h
> > >
> > > diff --git
> > > a/Silicon/Intel/IntelSiliconPkg/Include/Protocol/PlatformDeviceSecurityPolic
> > > y.h
> > > b/Silicon/Intel/IntelSiliconPkg/Include/Protocol/PlatformDeviceSecurityPolic
> > > y.h
> > > new file mode 100644
> > > index 0000000000..b151781de2
> > > --- /dev/null
> > > +++ b/Silicon/Intel/IntelSiliconPkg/Include/Protocol/PlatformDeviceSecur
> > > +++ ityPolicy.h
> > > @@ -0,0 +1,128 @@
> > > +/** @file
> > > + Platform Device Security Policy Protocol definition
> > > +
> > > + Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
> > > + SPDX-License-Identifier: BSD-2-Clause-Patent
> > > +
> > > +**/
> > > +
> > > +
> > > +#ifndef __EDKII_DEVICE_SECURITY_POLICY_PROTOCOL_H__
> > > +#define __EDKII_DEVICE_SECURITY_POLICY_PROTOCOL_H__
> > > +
> > > +#include <Uefi.h>
> > > +#include <Protocol/DeviceSecurity.h>
> > > +
> > > +typedef struct _EDKII_DEVICE_SECURITY_POLICY_PROTOCOL
> > > +EDKII_DEVICE_SECURITY_POLICY_PROTOCOL;
> > > +
> > > +//
> > > +// Revision The revision to which the DEVICE_SECURITY_POLICY protocol
> > > interface adheres.
> > > +// All future revisions must be backwards compatible.
> > > +// If a future version is not back wards compatible it is not the same
> > > GUID.
> > > +//
> > > +#define EDKII_DEVICE_SECURITY_POLICY_PROTOCOL_REVISION
> > > 0x00010000
> > > +
> > > +//
> > > +// Revision The revision to which the DEVICE_SECURITY_POLICY structure
> > > adheres.
> > > +// All future revisions must be backwards compatible.
> > > +//
> > > +#define EDKII_DEVICE_SECURITY_POLICY_REVISION 0x00010000
> > > +
> > > +///
> > > +/// The macro for the policy defined in EDKII_DEVICE_SECURITY_POLICY
> > > +///
> > > +#define EDKII_DEVICE_MEASUREMENT_REQUIRED BIT0
> > > +#define EDKII_DEVICE_AUTHENTICATION_REQUIRED BIT0
> > > +
> > > +///
> > > +/// The device security policy data structure /// typedef struct {
> > > + UINT32 Version;
> > > + UINT32 MeasurementPolicy;
> > > + UINT32 AuthenticationPolicy;
> > > +} EDKII_DEVICE_SECURITY_POLICY;
> > > +
> > > +//
> > > +// Revision The revision to which the DEVICE_SECURITY_STATE structure
> > > adheres.
> > > +// All future revisions must be backwards compatible.
> > > +//
> > > +#define EDKII_DEVICE_SECURITY_STATE_REVISION 0x00010000
> > > +
> > > +///
> > > +/// The macro for the state defined in EDKII_DEVICE_SECURITY_STATE ///
> > > +#define EDKII_DEVICE_SECURITY_STATE_SUCCESS 0
> > > +#define EDKII_DEVICE_SECURITY_STATE_ERROR BIT31
> > > +#define EDKII_DEVICE_SECURITY_STATE_ERROR_UEFI_UNSUPPORTED
> > > (EDKII_DEVICE_SECURITY_STATE_ERROR + 0x0)
> > > +#define
> > > EDKII_DEVICE_SECURITY_STATE_ERROR_UEFI_GET_POLICY_PROTOCOL
> > > (EDKII_DEVICE_SECURITY_STATE_ERROR + 0x1)
> > > +#define EDKII_DEVICE_SECURITY_STATE_ERROR_PCI_NO_CAPABILITIES
> > > (EDKII_DEVICE_SECURITY_STATE_ERROR + 0x10)
> > > +#define EDKII_DEVICE_SECURITY_STATE_ERROR_TCG_EXTEND_TPM_PCR
> > > (EDKII_DEVICE_SECURITY_STATE_ERROR + 0x20)
> > > +
> > > +///
> > > +/// The device security state data structure /// typedef struct {
> > > + UINT32 Version;
> > > + UINT32 MeasurementState;
> > > + UINT32 AuthenticationState;
> > > +} EDKII_DEVICE_SECURITY_STATE;
> > > +
> > > +/**
> > > + This function returns the device security policy associated with the device.
> > > +
> > > + The device security driver may call this interface to get the
> > > + platform policy for the specific device and determine if the
> > > + measurement or authentication is required.
> > > +
> > > + @param[in] This The protocol instance pointer.
> > > + @param[in] DeviceId The Identifier for the device.
> > > + @param[out] DeviceSecurityPolicy The Device Security Policy associated
> > > with the device.
> > > +
> > > + @retval EFI_SUCCESS The device security policy is returned
> > > + @retval EFI_UNSUPPORTED The function is unsupported for the
> > > specific Device.
> > > +**/
> > > +typedef
> > > +EFI_STATUS
> > > +(EFIAPI *EDKII_DEVICE_SECURITY_GET_DEVICE_POLICY) (
> > > + IN EDKII_DEVICE_SECURITY_POLICY_PROTOCOL *This,
> > > + IN EDKII_DEVICE_IDENTIFIER *DeviceId,
> > > + OUT EDKII_DEVICE_SECURITY_POLICY *DeviceSecurityPolicy
> > > + );
> > > +
> > > +/**
> > > + This function sets the device state based upon the authentication result.
> > > +
> > > + The device security driver may call this interface to give the
> > > + platform a notify based upon the measurement or authentication result.
> > > + If the authentication or measurement fails, the platform may choose:
> > > + 1) Do nothing.
> > > + 2) Disable this device or slot temporarily and continue boot.
> > > + 3) Reset the platform and retry again.
> > > + 4) Disable this device or slot permanently.
> > > + 5) Any other platform specific action.
> > > +
> > > + @param[in] This The protocol instance pointer.
> > > + @param[in] DeviceId The Identifier for the device.
> > > + @param[in] DeviceSecurityState The Device Security state associated
> > > with the device.
> > > +
> > > + @retval EFI_SUCCESS The device state is set.
> > > + @retval EFI_UNSUPPORTED The function is unsupported for the
> > > specific Device.
> > > +**/
> > > +typedef
> > > +EFI_STATUS
> > > +(EFIAPI *EDKII_DEVICE_SECURITY_NOTIFY_DEVICE_STATE) (
> > > + IN EDKII_DEVICE_SECURITY_POLICY_PROTOCOL *This,
> > > + IN EDKII_DEVICE_IDENTIFIER *DeviceId,
> > > + IN EDKII_DEVICE_SECURITY_STATE *DeviceSecurityState
> > > + );
> > > +
> > > +struct _EDKII_DEVICE_SECURITY_POLICY_PROTOCOL {
> > > + UINT32 Version;
> > > + EDKII_DEVICE_SECURITY_GET_DEVICE_POLICY GetDevicePolicy;
> > > + EDKII_DEVICE_SECURITY_NOTIFY_DEVICE_STATE NotifyDeviceState;
> > > +};
> > > +
> > > +extern EFI_GUID gEdkiiDeviceSecurityPolicyProtocolGuid;
> > > +
> > > +#endif
> > > --
> > > 2.19.2.windows.1
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