Re: [PATCH v8 11/27] cxl: add function for setting media ready by a driver
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: 2025-01-02 12:45:58
Also in:
linux-cxl
On Fri, 27 Dec 2024 08:08:45 +0000 Alejandro Lucero Palau [off-list ref] wrote:
On 12/24/24 17:29, Jonathan Cameron wrote:quoted
On Mon, 16 Dec 2024 16:10:26 +0000 alejandro.lucero-palau@amd.com wrote:quoted
From: Alejandro Lucero <redacted> A Type-2 driver may be required to set the memory availability explicitly, for example because there is not a mailbox for doing so through a specific command. Add a function to the exported CXL API for accelerator drivers having this possibility. Signed-off-by: Alejandro Lucero <redacted> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Ben Cheatham <redacted>I wonder if it is worth capturing the reasoning for this a comment?Sorry, I can not understand this.
Err. I've no idea what I was going on about. :( Ignore that.
quoted
Either way Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>quoted
--- 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 c414b0fbbead..82c354b1375e 100644 --- a/drivers/cxl/core/memdev.c +++ b/drivers/cxl/core/memdev.c@@ -789,6 +789,12 @@ 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 44664c9928a4..473128fdfb22 100644 --- a/include/cxl/cxl.h +++ b/include/cxl/cxl.h@@ -44,4 +44,5 @@ 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