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-rw-r--r--drivers/crypto/qat/qat_common/adf_pfvf_msg.h14
-rw-r--r--drivers/crypto/qat/qat_common/adf_pfvf_pf_proto.c52
-rw-r--r--drivers/crypto/qat/qat_common/adf_pfvf_vf_proto.c1
3 files changed, 67 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_pfvf_msg.h b/drivers/crypto/qat/qat_common/adf_pfvf_msg.h
index f00e9e2c585b..86b0e7baa4d3 100644
--- a/drivers/crypto/qat/qat_common/adf_pfvf_msg.h
+++ b/drivers/crypto/qat/qat_common/adf_pfvf_msg.h
@@ -99,6 +99,8 @@ enum pf2vf_msgtype {
ADF_PF2VF_MSGTYPE_RESTARTING = 0x01,
ADF_PF2VF_MSGTYPE_VERSION_RESP = 0x02,
ADF_PF2VF_MSGTYPE_BLKMSG_RESP = 0x03,
+/* Values from 0x10 are Gen4 specific, message type is only 4 bits in Gen2 devices. */
+ ADF_PF2VF_MSGTYPE_RP_RESET_RESP = 0x10,
};
/* VF->PF messages */
@@ -110,6 +112,8 @@ enum vf2pf_msgtype {
ADF_VF2PF_MSGTYPE_LARGE_BLOCK_REQ = 0x07,
ADF_VF2PF_MSGTYPE_MEDIUM_BLOCK_REQ = 0x08,
ADF_VF2PF_MSGTYPE_SMALL_BLOCK_REQ = 0x09,
+/* Values from 0x10 are Gen4 specific, message type is only 4 bits in Gen2 devices. */
+ ADF_VF2PF_MSGTYPE_RP_RESET = 0x10,
};
/* VF/PF compatibility version. */
@@ -134,6 +138,16 @@ enum pf2vf_compat_response {
ADF_PF2VF_VF_COMPAT_UNKNOWN = 0x03,
};
+enum ring_reset_result {
+ RPRESET_SUCCESS = 0x01,
+ RPRESET_NOT_SUPPORTED = 0x02,
+ RPRESET_INVAL_BANK = 0x03,
+ RPRESET_TIMEOUT = 0x04,
+};
+
+#define ADF_VF2PF_RNG_RESET_RP_MASK GENMASK(1, 0)
+#define ADF_VF2PF_RNG_RESET_RSVD_MASK GENMASK(25, 2)
+
/* PF->VF Block Responses */
#define ADF_PF2VF_BLKMSG_RESP_TYPE_MASK GENMASK(1, 0)
#define ADF_PF2VF_BLKMSG_RESP_DATA_MASK GENMASK(9, 2)
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",
diff --git a/drivers/crypto/qat/qat_common/adf_pfvf_vf_proto.c b/drivers/crypto/qat/qat_common/adf_pfvf_vf_proto.c
index 0e4b8397cbe3..1015155b6374 100644
--- a/drivers/crypto/qat/qat_common/adf_pfvf_vf_proto.c
+++ b/drivers/crypto/qat/qat_common/adf_pfvf_vf_proto.c
@@ -310,6 +310,7 @@ static bool adf_handle_pf2vf_msg(struct adf_accel_dev *accel_dev,
return false;
case ADF_PF2VF_MSGTYPE_VERSION_RESP:
case ADF_PF2VF_MSGTYPE_BLKMSG_RESP:
+ case ADF_PF2VF_MSGTYPE_RP_RESET_RESP:
dev_dbg(&GET_DEV(accel_dev),
"Response Message received from PF (type 0x%.4x, data 0x%.4x)\n",
msg.type, msg.data);