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common/qat: fix VF to PF answer

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This commit fixes answer sent to physical device in
vf2pf communication.

Fixes: b17d16fb47b4 ("common/qat: add PF to VF communication")
Cc: stable@dpdk.org

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>
This commit is contained in:
Arek Kusztal 2022-07-29 08:47:31 +01:00 committed by Akhil Goyal
parent d314299950
commit 66c0ad1f3d
1 changed files with 3 additions and 1 deletions
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4
drivers/common/qat/qat_pf2vf.c
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@ -59,7 +59,7 @@ int qat_pf2vf_exch_msg(struct qat_pci_device *qat_dev,
* the message
*/
do {
rte_delay_us_sleep(5);
rte_delay_us_sleep(ADF_IOV_MSG_ACK_DELAY_US * 2);
val = ADF_CSR_RD(pmisc_bar_addr, vf_csr_off);
} while ((val & ADF_PFVF_INT) &&
(++count < ADF_IOV_MSG_ACK_MAX_RETRY));
@ -70,6 +70,8 @@ int qat_pf2vf_exch_msg(struct qat_pci_device *qat_dev,
}
uint32_t pf_val = ADF_CSR_RD(pmisc_bar_addr, pf_csr_off);
msg &= ~ADF_PFVF_INT;
ADF_CSR_WR(pmisc_bar_addr, pf_csr_off, msg);
*(ret + i) = (uint8_t)(pf_val >> (pf2vf_msg.block_hdr > 0 ?
10 : 8) & 0xff);