X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcommon%2Fqat%2Fqat_device.c;h=1b967cbcf76e67656b8250a7bd68a6d392a27c1c;hb=90a2ec4ae81f2ef52f7c14bfc9307e75a4127fa4;hp=5ee441171e086df69f903828f866056cfe20fcea;hpb=b17d16fb47b49919725436b731405ab32a0c02f2;p=dpdk.git

diff --git a/drivers/common/qat/qat_device.c b/drivers/common/qat/qat_device.c
index 5ee441171e..1b967cbcf7 100644
--- a/drivers/common/qat/qat_device.c
+++ b/drivers/common/qat/qat_device.c
@@ -11,6 +11,7 @@
 #include "qat_sym_pmd.h"
 #include "qat_comp_pmd.h"
 #include "adf_pf2vf_msg.h"
+#include "qat_pf2vf.h"
 
 /* pv2vf data Gen 4*/
 struct qat_pf2vf_dev qat_pf2vf_gen4 = {
@@ -125,6 +126,44 @@ qat_get_qat_dev_from_pci_dev(struct rte_pci_device *pci_dev)
 	return qat_pci_get_named_dev(name);
 }
 
+static int
+qat_gen4_reset_ring_pair(struct qat_pci_device *qat_pci_dev)
+{
+	int ret = 0, i;
+	uint8_t data[4];
+	struct qat_pf2vf_msg pf2vf_msg;
+
+	pf2vf_msg.msg_type = ADF_VF2PF_MSGTYPE_RP_RESET;
+	pf2vf_msg.block_hdr = -1;
+	for (i = 0; i < QAT_GEN4_BUNDLE_NUM; i++) {
+		pf2vf_msg.msg_data = i;
+		ret = qat_pf2vf_exch_msg(qat_pci_dev, pf2vf_msg, 1, data);
+		if (ret) {
+			QAT_LOG(ERR, "QAT error when reset bundle no %d",
+				i);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+int qat_query_svc(struct qat_pci_device *qat_dev, uint8_t *val)
+{
+	int ret = -(EINVAL);
+	struct qat_pf2vf_msg pf2vf_msg;
+
+	if (qat_dev->qat_dev_gen == QAT_GEN4) {
+		pf2vf_msg.msg_type = ADF_VF2PF_MSGTYPE_GET_SMALL_BLOCK_REQ;
+		pf2vf_msg.block_hdr = ADF_VF2PF_BLOCK_MSG_GET_RING_TO_SVC_REQ;
+		pf2vf_msg.msg_data = 2;
+		ret = qat_pf2vf_exch_msg(qat_dev, pf2vf_msg, 2, val);
+	}
+
+	return ret;
+}
+
+
 static void qat_dev_parse_cmd(const char *str, struct qat_dev_cmd_param
 		*qat_dev_cmd_param)
 {
@@ -273,9 +312,7 @@ qat_pci_device_allocate(struct rte_pci_device *pci_dev,
 		qat_dev_parse_cmd(devargs->drv_str, qat_dev_cmd_param);
 
 	if (qat_dev->qat_dev_gen >= QAT_GEN4) {
-		int ret = qat_read_qp_config(qat_dev, qat_dev->qat_dev_gen);
-
-		if (ret) {
+		if (qat_read_qp_config(qat_dev)) {
 			QAT_LOG(ERR,
 				"Cannot acquire ring configuration for QAT_%d",
 				qat_dev_id);
@@ -371,6 +408,15 @@ static int qat_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 	if (qat_pci_dev == NULL)
 		return -ENODEV;
 
+	if (qat_pci_dev->qat_dev_gen == QAT_GEN4) {
+		if (qat_gen4_reset_ring_pair(qat_pci_dev)) {
+			QAT_LOG(ERR,
+				"Cannot reset ring pairs, does pf driver supports pf2vf comms?"
+				);
+			return -ENODEV;
+		}
+	}
+
 	sym_ret = qat_sym_dev_create(qat_pci_dev, qat_dev_cmd_param);
 	if (sym_ret == 0) {
 		num_pmds_created++;