diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_pfvf_vf_msg.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_pfvf_vf_msg.c b/drivers/crypto/qat/qat_common/adf_pfvf_vf_msg.c index b08f8544991a..14b222691c9c 100644 --- a/drivers/crypto/qat/qat_common/adf_pfvf_vf_msg.c +++ b/drivers/crypto/qat/qat_common/adf_pfvf_vf_msg.c @@ -138,3 +138,30 @@ int adf_vf2pf_get_capabilities(struct adf_accel_dev *accel_dev) return 0; } + +int adf_vf2pf_get_ring_to_svc(struct adf_accel_dev *accel_dev) +{ + struct ring_to_svc_map_v1 rts_map_msg = { { 0 }, }; + unsigned int len = sizeof(rts_map_msg); + + if (accel_dev->vf.pf_compat_ver < ADF_PFVF_COMPAT_RING_TO_SVC_MAP) + /* Use already set default mappings */ + return 0; + + if (adf_send_vf2pf_blkmsg_req(accel_dev, ADF_VF2PF_BLKMSG_REQ_RING_SVC_MAP, + (u8 *)&rts_map_msg, &len)) { + dev_err(&GET_DEV(accel_dev), + "QAT: Failed to get block message response\n"); + return -EFAULT; + } + + if (unlikely(len < sizeof(struct ring_to_svc_map_v1))) { + dev_err(&GET_DEV(accel_dev), + "RING_TO_SVC message truncated to %d bytes\n", len); + return -EFAULT; + } + + /* Only v1 at present */ + accel_dev->hw_device->ring_to_svc_map = rts_map_msg.map; + return 0; +} |