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common/qat: reset ring pairs before setting GEN4

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This commit resets ring pairs of particular vf before
setting PMD.

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
This commit is contained in:
Arek Kusztal 2021-06-28 17:34:30 +01:00 committed by Akhil Goyal
parent b17d16fb47
commit c546d6e3d4
1 changed files with 32 additions and 0 deletions
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32
drivers/common/qat/qat_device.c
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@ -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 +126,28 @@ 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 +394,15 @@ 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++;