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| author | Dan Williams <dan.j.williams@intel.com> | 2022-05-26 21:15:25 +0200 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2022-07-10 19:10:30 +0200 |
| commit | cc2a4878700b2467f36e03f581a0a877ae6a568d (patch) | |
| tree | 735495d6c22d8060fe2212631050aaa37e08d75a /drivers/cxl/core/port.c | |
| parent | cxl/debug: Move debugfs init to cxl_core_init() (diff) | |
| download | linux-cc2a4878700b2467f36e03f581a0a877ae6a568d.tar.xz linux-cc2a4878700b2467f36e03f581a0a877ae6a568d.zip | |
cxl/mem: Add a debugfs version of 'iomem' for DPA, 'dpamem'
Dump the device-physical-address map for a CXL expander in /proc/iomem
style format. E.g.:
cat /sys/kernel/debug/cxl/mem1/dpamem
00000000-0fffffff : ram
10000000-1fffffff : pmem
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/165603885318.551046.8308248564880066726.stgit@dwillia2-xfh
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl/core/port.c')
| -rw-r--r-- | drivers/cxl/core/port.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c index eecebd66416d..9175d30e1755 100644 --- a/drivers/cxl/core/port.c +++ b/drivers/cxl/core/port.c @@ -1506,6 +1506,7 @@ struct dentry *cxl_debugfs_create_dir(const char *dir) { return debugfs_create_dir(dir, cxl_debugfs); } +EXPORT_SYMBOL_NS_GPL(cxl_debugfs_create_dir, CXL); static __init int cxl_core_init(void) { |