diff options
| author | Alejandro Lucero <alucerop@amd.com> | 2026-02-28 20:36:01 +0300 |
|---|---|---|
| committer | Dave Jiang <dave.jiang@intel.com> | 2026-03-17 02:31:56 +0300 |
| commit | 09d065d256b1d5965fe6512cfd1c23ef44d2efc9 (patch) | |
| tree | 93824b123fcde840334b173aa7c63d21894503b8 | |
| parent | d537d953c47866bafc89feb66d8ef34baf17659a (diff) | |
| download | linux-09d065d256b1d5965fe6512cfd1c23ef44d2efc9.tar.xz | |
cxl: Make region type based on endpoint type
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 HDM-D[B] instead.
Signed-off-by: Alejandro Lucero <alucerop@amd.com>
Reviewed-by: Zhi Wang <zhiw@nvidia.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Ben Cheatham <benjamin.cheatham@amd.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Davidlohr Bueso <daves@stgolabs.net>
Reviewed-by: Gregory Price <gourry@gourry.net>
Tested-by: Gregory Price <gourry@gourry.net>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Link: https://patch.msgid.link/20260228173603.1125109-2-alejandro.lucero-palau@amd.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
| -rw-r--r-- | drivers/cxl/core/region.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index 42874948b589..d1ce4deae499 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -2650,7 +2650,8 @@ static ssize_t create_ram_region_show(struct device *dev, } static struct cxl_region *__create_region(struct cxl_root_decoder *cxlrd, - enum cxl_partition_mode mode, int id) + enum cxl_partition_mode mode, int id, + enum cxl_decoder_type target_type) { int rc; @@ -2672,7 +2673,7 @@ 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, @@ -2686,7 +2687,7 @@ 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); @@ -3902,7 +3903,8 @@ static struct cxl_region *construct_region(struct cxl_root_decoder *cxlrd, do { cxlr = __create_region(cxlrd, cxlds->part[part].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)) { |