diff mbox series

[RFC,10/13] cxl: make region type based on endpoint type

Message ID 20240516081202.27023-11-alucerop@amd.com
State New
Headers show
Series RFC: add Type2 device support | expand

Commit Message

Alejandro Lucero Palau May 16, 2024, 8:11 a.m. UTC 
From: Alejandro Lucero <alucerop@amd.com>

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

Signed-off-by: Alejandro Lucero <alucerop@amd.com>
---
 drivers/cxl/core/region.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 2731fd4243a1..8228b7e96d8d 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -2574,7 +2574,8 @@  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;
 
@@ -2587,7 +2588,7 @@  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_pmem_region_store(struct device *dev,
@@ -2602,7 +2603,8 @@  static ssize_t create_pmem_region_store(struct device *dev,
 	if (rc != 1)
 		return -EINVAL;
 
-	cxlr = __create_region(cxlrd, CXL_DECODER_PMEM, id);
+	cxlr = __create_region(cxlrd, CXL_DECODER_PMEM, id,
+			       CXL_DECODER_HOSTONLYMEM);
 	if (IS_ERR(cxlr))
 		return PTR_ERR(cxlr);
 
@@ -2622,7 +2624,8 @@  static ssize_t create_ram_region_store(struct device *dev,
 	if (rc != 1)
 		return -EINVAL;
 
-	cxlr = __create_region(cxlrd, CXL_DECODER_RAM, id);
+	cxlr = __create_region(cxlrd, CXL_DECODER_RAM, id,
+			       CXL_DECODER_HOSTONLYMEM);
 	if (IS_ERR(cxlr))
 		return PTR_ERR(cxlr);
 
@@ -3146,7 +3149,8 @@  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)) {