common/qat: fix vf2pf answer
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Commit Message
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>
---
drivers/common/qat/qat_pf2vf.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
Comments
> -----Original Message-----
> From: Kusztal, ArkadiuszX <arkadiuszx.kusztal@intel.com>
> Sent: Friday, July 29, 2022 8:48 AM
> To: dev@dpdk.org
> Cc: gakhil@marvell.com; Zhang, Roy Fan <roy.fan.zhang@intel.com>; Kusztal,
> ArkadiuszX <arkadiuszx.kusztal@intel.com>; stable@dpdk.org
> Subject: [PATCH] common/qat: fix vf2pf answer
>
> 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>
> > Subject: [PATCH] common/qat: fix vf2pf answer
> >
> > 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>
Applied to dpdk-next-crypto
@@ -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);