diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c b/drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c index 84230aac67e6..588352de1ef0 100644 --- a/drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c +++ b/drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c @@ -178,6 +178,55 @@ static struct pfvf_message handle_blkmsg_req(struct adf_accel_vf_info *vf_info, return resp; } +static struct pfvf_message handle_rp_reset_req(struct adf_accel_dev *accel_dev, u8 vf_nr, + struct pfvf_message req) +{ + struct adf_hw_device_data *hw_data = accel_dev->hw_device; + struct pfvf_message resp = { + .type = ADF_PF2VF_MSGTYPE_RP_RESET_RESP, + .data = RPRESET_SUCCESS + }; + u32 bank_number; + u32 rsvd_field; + + bank_number = FIELD_GET(ADF_VF2PF_RNG_RESET_RP_MASK, req.data); + rsvd_field = FIELD_GET(ADF_VF2PF_RNG_RESET_RSVD_MASK, req.data); + + dev_dbg(&GET_DEV(accel_dev), + "Ring Pair Reset Message received from VF%d for bank 0x%x\n", + vf_nr, bank_number); + + if (!hw_data->ring_pair_reset || rsvd_field) { + dev_dbg(&GET_DEV(accel_dev), + "Ring Pair Reset for VF%d is not supported\n", vf_nr); + resp.data = RPRESET_NOT_SUPPORTED; + goto out; + } + + if (bank_number >= hw_data->num_banks_per_vf) { + dev_err(&GET_DEV(accel_dev), + "Invalid bank number (0x%x) from VF%d for Ring Reset\n", + bank_number, vf_nr); + resp.data = RPRESET_INVAL_BANK; + goto out; + } + + /* Convert the VF provided value to PF bank number */ + bank_number = vf_nr * hw_data->num_banks_per_vf + bank_number; + if (hw_data->ring_pair_reset(accel_dev, bank_number)) { + dev_dbg(&GET_DEV(accel_dev), + "Ring pair reset for VF%d failure\n", vf_nr); + resp.data = RPRESET_TIMEOUT; + goto out; + } + + dev_dbg(&GET_DEV(accel_dev), + "Ring pair reset for VF%d successfully\n", vf_nr); + +out: + return resp; +} + static int adf_handle_vf2pf_msg(struct adf_accel_dev *accel_dev, u8 vf_nr, struct pfvf_message msg, struct pfvf_message *resp) { @@ -245,6 +294,9 @@ static int adf_handle_vf2pf_msg(struct adf_accel_dev *accel_dev, u8 vf_nr, case ADF_VF2PF_MSGTYPE_SMALL_BLOCK_REQ: *resp = handle_blkmsg_req(vf_info, msg); break; + case ADF_VF2PF_MSGTYPE_RP_RESET: + *resp = handle_rp_reset_req(accel_dev, vf_nr, msg); + break; default: dev_dbg(&GET_DEV(accel_dev), "Unknown message from VF%d (type 0x%.4x, data: 0x%.4x)\n", |