[12/15] common/qat: reset ring pairs before setting pmd
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Commit Message
This commit resets ring pairs of particular vf before
setting PMD on fourth generation devices.
Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
---
drivers/common/qat/qat_device.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
@@ -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 +126,27 @@ 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;
+}
+
static void qat_dev_parse_cmd(const char *str, struct qat_dev_cmd_param
*qat_dev_cmd_param)
{
@@ -371,6 +393,11 @@ 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))
+ return -ENODEV;
+ }
+
sym_ret = qat_sym_dev_create(qat_pci_dev, qat_dev_cmd_param);
if (sym_ret == 0) {
num_pmds_created++;