Commit 867e8010 authored by Xin Zeng's avatar Xin Zeng Committed by Herbert Xu
Browse files

crypto: qat - move PFVF compat checker to a function 



Move the code that implements VF version compatibility on the PF side to
a separate function so that it can be reused when doing VM live
migration.

This does not introduce any functional change.

Signed-off-by: default avatarXin Zeng <xin.zeng@intel.com>
Reviewed-by: default avatarGiovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 1f8d6a16

drivers/crypto/intel/qat/qat_common/adf_pfvf_pf_proto.c

+1 −7
Original line number Diff line number Diff line
@@ -242,13 +242,7 @@ static int adf_handle_vf2pf_msg(struct adf_accel_dev *accel_dev, u8 vf_nr, 
			"VersionRequest received from VF%d (vers %d) to PF (vers %d)\n",

			vf_nr, vf_compat_ver, ADF_PFVF_COMPAT_THIS_VERSION);



		if (vf_compat_ver == 0)

			compat = ADF_PF2VF_VF_INCOMPATIBLE;

		else if (vf_compat_ver <= ADF_PFVF_COMPAT_THIS_VERSION)

			compat = ADF_PF2VF_VF_COMPATIBLE;

		else

			compat = ADF_PF2VF_VF_COMPAT_UNKNOWN;



		compat = adf_vf_compat_checker(vf_compat_ver);

		vf_info->vf_compat_ver = vf_compat_ver;



		resp->type = ADF_PF2VF_MSGTYPE_VERSION_RESP;

drivers/crypto/intel/qat/qat_common/adf_pfvf_utils.h

+11 −0
Original line number Diff line number Diff line
@@ -28,4 +28,15 @@ u32 adf_pfvf_csr_msg_of(struct adf_accel_dev *accel_dev, struct pfvf_message msg 
struct pfvf_message adf_pfvf_message_of(struct adf_accel_dev *accel_dev, u32 raw_msg,

					const struct pfvf_csr_format *fmt);



static inline u8 adf_vf_compat_checker(u8 vf_compat_ver)

{

	if (vf_compat_ver == 0)

		return ADF_PF2VF_VF_INCOMPATIBLE;



	if (vf_compat_ver <= ADF_PFVF_COMPAT_THIS_VERSION)

		return ADF_PF2VF_VF_COMPATIBLE;



	return ADF_PF2VF_VF_COMPAT_UNKNOWN;

}



#endif /* ADF_PFVF_UTILS_H */