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X-CSE-ConnectionGUID: +GSFtpfPSciFJqo205hRFw== X-CSE-MsgGUID: 4UZTuykqT6+OVYqBbbG3pA== X-IronPort-AV: E=McAfee;i="6700,10204,11261"; a="49598383" X-IronPort-AV: E=Sophos;i="6.12,166,1728975600"; d="scan'208";a="49598383" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2024 10:12:24 -0800 X-CSE-ConnectionGUID: q7KaeuIwQF6CSn3x9fXp9A== X-CSE-MsgGUID: BAF0TYVkRSWC1WZzxMloow== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,166,1728975600"; d="scan'208";a="90031795" Received: from inaky-mobl1.amr.corp.intel.com (HELO [10.125.109.91]) ([10.125.109.91]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2024 10:12:24 -0800 Message-ID: <67f92b02-efbe-4e7c-9eb6-fc91f5c582cf@intel.com> Date: Tue, 19 Nov 2024 11:12:23 -0700 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 11/27] cxl: add function for setting media ready by a driver To: alejandro.lucero-palau@amd.com, linux-cxl@vger.kernel.org, netdev@vger.kernel.org, dan.j.williams@intel.com, martin.habets@xilinx.com, edward.cree@amd.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com Cc: Alejandro Lucero References: <20241118164434.7551-1-alejandro.lucero-palau@amd.com> <20241118164434.7551-12-alejandro.lucero-palau@amd.com> Content-Language: en-US From: Dave Jiang In-Reply-To: <20241118164434.7551-12-alejandro.lucero-palau@amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/18/24 9:44 AM, alejandro.lucero-palau@amd.com wrote: > From: Alejandro Lucero > > 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 Reviewed-by: Dave Jiang > --- > 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