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authorDan Williams <dan.j.williams@intel.com>2022-12-05 12:30:38 -0800
committerDan Williams <dan.j.williams@intel.com>2022-12-05 12:30:38 -0800
commit95dddcb5e86381abddeb1ccab5b5826fdcc74c70 (patch)
treeb436da563bba57da1d1178ba8cd0bfbd1d9c2e0b /drivers/cxl/pmem.c
parentda8380bbbe90f69bec4be69af4d0deb7cf2bbcfe (diff)
parentd18bc74aced65e4ad68a30ac8db883398141e918 (diff)
downloadlinux-95dddcb5e86381abddeb1ccab5b5826fdcc74c70.tar.bz2
Merge branch 'for-6.2/cxl-security' into for-6.2/cxl
Pick CXL PMEM security commands for v6.2. Resolve conflicts with the removal of the cxl_pmem_wq.
Diffstat (limited to 'drivers/cxl/pmem.c')
-rw-r--r--drivers/cxl/pmem.c43
1 files changed, 41 insertions, 2 deletions
diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c
index 0910367a3ead..2fc8070b6a17 100644
--- a/drivers/cxl/pmem.c
+++ b/drivers/cxl/pmem.c
@@ -11,6 +11,8 @@
#include "cxlmem.h"
#include "cxl.h"
+extern const struct nvdimm_security_ops *cxl_security_ops;
+
static __read_mostly DECLARE_BITMAP(exclusive_cmds, CXL_MEM_COMMAND_ID_MAX);
static void clear_exclusive(void *cxlds)
@@ -23,6 +25,41 @@ static void unregister_nvdimm(void *nvdimm)
nvdimm_delete(nvdimm);
}
+static ssize_t provider_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct nvdimm *nvdimm = to_nvdimm(dev);
+ struct cxl_nvdimm *cxl_nvd = nvdimm_provider_data(nvdimm);
+
+ return sysfs_emit(buf, "%s\n", dev_name(&cxl_nvd->dev));
+}
+static DEVICE_ATTR_RO(provider);
+
+static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct nvdimm *nvdimm = to_nvdimm(dev);
+ struct cxl_nvdimm *cxl_nvd = nvdimm_provider_data(nvdimm);
+ struct cxl_dev_state *cxlds = cxl_nvd->cxlmd->cxlds;
+
+ return sysfs_emit(buf, "%lld\n", cxlds->serial);
+}
+static DEVICE_ATTR_RO(id);
+
+static struct attribute *cxl_dimm_attributes[] = {
+ &dev_attr_id.attr,
+ &dev_attr_provider.attr,
+ NULL
+};
+
+static const struct attribute_group cxl_dimm_attribute_group = {
+ .name = "cxl",
+ .attrs = cxl_dimm_attributes,
+};
+
+static const struct attribute_group *cxl_dimm_attribute_groups[] = {
+ &cxl_dimm_attribute_group,
+ NULL
+};
+
static int cxl_nvdimm_probe(struct device *dev)
{
struct cxl_nvdimm *cxl_nvd = to_cxl_nvdimm(dev);
@@ -42,8 +79,10 @@ static int cxl_nvdimm_probe(struct device *dev)
set_bit(ND_CMD_GET_CONFIG_SIZE, &cmd_mask);
set_bit(ND_CMD_GET_CONFIG_DATA, &cmd_mask);
set_bit(ND_CMD_SET_CONFIG_DATA, &cmd_mask);
- nvdimm = nvdimm_create(cxl_nvb->nvdimm_bus, cxl_nvd, NULL, flags,
- cmd_mask, 0, NULL);
+ nvdimm = __nvdimm_create(cxl_nvb->nvdimm_bus, cxl_nvd,
+ cxl_dimm_attribute_groups, flags,
+ cmd_mask, 0, NULL, cxl_nvd->dev_id,
+ cxl_security_ops, NULL);
if (!nvdimm)
return -ENOMEM;