diff mbox series

[v8,19/27] cxl: make region type based on endpoint type

Message ID 20241216161042.42108-20-alejandro.lucero-palau@amd.com
State New
Headers show
Series cxl: add type2 device basic support | expand

Commit Message

Lucero Palau, Alejandro Dec. 16, 2024, 4:10 p.m. UTC 
From: Alejandro Lucero <alucerop@amd.com>

Current code is expecting Type3 or CXL_DECODER_HOSTONLYMEM devices only.
Support for Type2 implies region type needs to be based on the endpoint
type instead.

Signed-off-by: Alejandro Lucero <alucerop@amd.com>
Reviewed-by: Zhi Wang <zhiw@nvidia.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
---
 drivers/cxl/core/region.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index eb2ae276b01a..583727df1666 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -2667,7 +2667,8 @@  static ssize_t create_ram_region_show(struct device *dev,
 }
 
 static struct cxl_region *__create_region(struct cxl_root_decoder *cxlrd,
-					  enum cxl_decoder_mode mode, int id)
+					  enum cxl_decoder_mode mode, int id,
+					  enum cxl_decoder_type target_type)
 {
 	int rc;
 
@@ -2689,7 +2690,7 @@  static struct cxl_region *__create_region(struct cxl_root_decoder *cxlrd,
 		return ERR_PTR(-EBUSY);
 	}
 
-	return devm_cxl_add_region(cxlrd, id, mode, CXL_DECODER_HOSTONLYMEM);
+	return devm_cxl_add_region(cxlrd, id, mode, target_type);
 }
 
 static ssize_t create_region_store(struct device *dev, const char *buf,
@@ -2703,7 +2704,7 @@  static ssize_t create_region_store(struct device *dev, const char *buf,
 	if (rc != 1)
 		return -EINVAL;
 
-	cxlr = __create_region(cxlrd, mode, id);
+	cxlr = __create_region(cxlrd, mode, id, CXL_DECODER_HOSTONLYMEM);
 	if (IS_ERR(cxlr))
 		return PTR_ERR(cxlr);
 
@@ -3379,7 +3380,8 @@  static struct cxl_region *construct_region(struct cxl_root_decoder *cxlrd,
 
 	do {
 		cxlr = __create_region(cxlrd, cxled->mode,
-				       atomic_read(&cxlrd->region_id));
+				       atomic_read(&cxlrd->region_id),
+				       cxled->cxld.target_type);
 	} while (IS_ERR(cxlr) && PTR_ERR(cxlr) == -EBUSY);
 
 	if (IS_ERR(cxlr)) {