diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2023-02-10 12:06:45 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2023-02-11 04:33:04 +0300 |
| commit | 3d8f7ccaa611a743ae3a1e6f605346993d37c513 (patch) | |
| tree | cd2a2bc900ad2b5aeee53620ea83f044c07af4b9 /drivers/cxl/cxlmem.h | |
| parent | a32320b71f085f8d82afedcf285f1682c8c00aed (diff) | |
| download | linux-3d8f7ccaa611a743ae3a1e6f605346993d37c513.tar.xz | |
tools/testing/cxl: Define a fixed volatile configuration to parse
Take two endpoints attached to the first switch on the first host-bridge
in the cxl_test topology and define a pre-initialized region. This is a
x2 interleave underneath a x1 CXL Window.
$ modprobe cxl_test
$ # cxl list -Ru
{
"region":"region3",
"resource":"0xf010000000",
"size":"512.00 MiB (536.87 MB)",
"interleave_ways":2,
"interleave_granularity":4096,
"decode_state":"commit"
}
Tested-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/167602000547.1924368.11613151863880268868.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl/cxlmem.h')
| -rw-r--r-- | drivers/cxl/cxlmem.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index c9da3c699a21..bf7d4c5c8612 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -81,6 +81,9 @@ static inline bool is_cxl_endpoint(struct cxl_port *port) } struct cxl_memdev *devm_cxl_add_memdev(struct cxl_dev_state *cxlds); +int devm_cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled, + resource_size_t base, resource_size_t len, + resource_size_t skipped); static inline struct cxl_ep *cxl_ep_load(struct cxl_port *port, struct cxl_memdev *cxlmd) |