netdev - Re: [PATCH v5 11/27] cxl: add function for setting media ready by a driver

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Message-ID: <67f92b02-efbe-4e7c-9eb6-fc91f5c582cf@intel.com>
Date: Tue, 19 Nov 2024 11:12:23 -0700
From: Dave Jiang <dave.jiang@...el.com>
To: alejandro.lucero-palau@....com, linux-cxl@...r.kernel.org,
 netdev@...r.kernel.org, dan.j.williams@...el.com, martin.habets@...inx.com,
 edward.cree@....com, davem@...emloft.net, kuba@...nel.org,
 pabeni@...hat.com, edumazet@...gle.com
Cc: Alejandro Lucero <alucerop@....com>
Subject: Re: [PATCH v5 11/27] cxl: add function for setting media ready by a
 driver



On 11/18/24 9:44 AM, alejandro.lucero-palau@....com wrote:
> From: Alejandro Lucero <alucerop@....com>
> 
> A Type-2 driver can require to set the memory availability explicitly.
> 
> Add a function to the exported CXL API for accelerator drivers.
> 
> Signed-off-by: Alejandro Lucero <alucerop@....com>

Reviewed-by: Dave Jiang <dave.jiang@...el.com>
> ---
>  drivers/cxl/core/memdev.c | 6 ++++++
>  include/cxl/cxl.h         | 1 +
>  2 files changed, 7 insertions(+)
> 
> diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c
> index 7450172c1864..d746c8a1021c 100644
> --- a/drivers/cxl/core/memdev.c
> +++ b/drivers/cxl/core/memdev.c
> @@ -795,6 +795,12 @@ int cxl_release_resource(struct cxl_dev_state *cxlds, enum cxl_resource type)
>  }
>  EXPORT_SYMBOL_NS_GPL(cxl_release_resource, CXL);
>  
> +void cxl_set_media_ready(struct cxl_dev_state *cxlds)
> +{
> +	cxlds->media_ready = true;
> +}
> +EXPORT_SYMBOL_NS_GPL(cxl_set_media_ready, CXL);
> +
>  static int cxl_memdev_release_file(struct inode *inode, struct file *file)
>  {
>  	struct cxl_memdev *cxlmd =
> diff --git a/include/cxl/cxl.h b/include/cxl/cxl.h
> index e0bafd066b93..6033ce84b3d3 100644
> --- a/include/cxl/cxl.h
> +++ b/include/cxl/cxl.h
> @@ -56,4 +56,5 @@ bool cxl_pci_check_caps(struct cxl_dev_state *cxlds,
>  int cxl_pci_accel_setup_regs(struct pci_dev *pdev, struct cxl_dev_state *cxlds);
>  int cxl_request_resource(struct cxl_dev_state *cxlds, enum cxl_resource type);
>  int cxl_release_resource(struct cxl_dev_state *cxlds, enum cxl_resource type);
> +void cxl_set_media_ready(struct cxl_dev_state *cxlds);
>  #endif