From: Jerin Jacob <jerinjacobk@gmail.com>
To: Abdullah Sevincer <abdullah.sevincer@intel.com>
Cc: dev@dpdk.org, jerinj@marvell.com, mike.ximing.chen@intel.com,
bruce.richardson@intel.com, thomas@monjalon.net
Subject: Re: [PATCH v6 1/2] bus/pci: add function to enable/disable PASID
Date: Sat, 4 Nov 2023 13:02:52 +0530 [thread overview]
Message-ID: <CALBAE1OasKJpE8FbyD6rU=YpZ=OeRV_XZ0jXaE4g1=5g7CcaMQ@mail.gmail.com> (raw)
In-Reply-To: <20231103182933.2831662-2-abdullah.sevincer@intel.com>
On Sat, Nov 4, 2023 at 4:47 AM Abdullah Sevincer
<abdullah.sevincer@intel.com> wrote:
>
> This commit implements an internal api to enable and disable PASID for
> a device e.g. device driver event/dlb2.
git comment can be reworded when apply.
>
> For kernels when PASID enabled by default it breaks DLB functionality,
> hence disabling PASID is required for DLB to function properly.
>
> PASID capability is not exposed to users hence offset can not be
> retrieved by rte_pci_find_ext_capability() api. Therefore, api
> implemented in this commit accepts an offset for PASID with an enable
> flag which is used to enable/disable PASID.
>
> Signed-off-by: Abdullah Sevincer <abdullah.sevincer@intel.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
> ---
> drivers/bus/pci/pci_common.c | 7 +++++++
> drivers/bus/pci/rte_bus_pci.h | 13 +++++++++++++
> drivers/bus/pci/version.map | 1 +
> lib/pci/rte_pci.h | 4 ++++
> 4 files changed, 25 insertions(+)
next prev parent reply other threads:[~2023-11-04 7:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-03 18:29 [PATCH v6 0/2] *** Disable PASID for DLB Device *** Abdullah Sevincer
2023-11-03 18:29 ` [PATCH v6 1/2] bus/pci: add function to enable/disable PASID Abdullah Sevincer
2023-11-04 7:32 ` Jerin Jacob [this message]
2023-11-04 9:19 ` Thomas Monjalon
2023-11-05 5:48 ` Jerin Jacob
2023-11-04 14:01 ` Bruce Richardson
2023-11-05 5:43 ` Jerin Jacob
2023-11-06 1:16 ` Chenbo Xia
2023-11-06 15:44 ` Sevincer, Abdullah
2023-11-07 8:17 ` Ruifeng Wang
2023-11-03 18:29 ` [PATCH v6 2/2] event/dlb2: fix disable PASID Abdullah Sevincer
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