summaryrefslogtreecommitdiffstats
path: root/drivers/cxl/cxlmem.h
diff options
context:
space:
mode:
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/cxlmem.h
parentda8380bbbe90f69bec4be69af4d0deb7cf2bbcfe (diff)
parentd18bc74aced65e4ad68a30ac8db883398141e918 (diff)
downloadlinux-stable-95dddcb5e86381abddeb1ccab5b5826fdcc74c70.tar.gz
linux-stable-95dddcb5e86381abddeb1ccab5b5826fdcc74c70.tar.bz2
linux-stable-95dddcb5e86381abddeb1ccab5b5826fdcc74c70.zip
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/cxlmem.h')
-rw-r--r--drivers/cxl/cxlmem.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
index 35d485d041f0..710c7694bf9f 100644
--- a/drivers/cxl/cxlmem.h
+++ b/drivers/cxl/cxlmem.h
@@ -288,6 +288,12 @@ enum cxl_opcode {
CXL_MBOX_OP_GET_SCAN_MEDIA_CAPS = 0x4303,
CXL_MBOX_OP_SCAN_MEDIA = 0x4304,
CXL_MBOX_OP_GET_SCAN_MEDIA = 0x4305,
+ CXL_MBOX_OP_GET_SECURITY_STATE = 0x4500,
+ CXL_MBOX_OP_SET_PASSPHRASE = 0x4501,
+ CXL_MBOX_OP_DISABLE_PASSPHRASE = 0x4502,
+ CXL_MBOX_OP_UNLOCK = 0x4503,
+ CXL_MBOX_OP_FREEZE_SECURITY = 0x4504,
+ CXL_MBOX_OP_PASSPHRASE_SECURE_ERASE = 0x4505,
CXL_MBOX_OP_MAX = 0x10000
};
@@ -387,6 +393,41 @@ struct cxl_mem_command {
#define CXL_CMD_FLAG_FORCE_ENABLE BIT(0)
};
+#define CXL_PMEM_SEC_STATE_USER_PASS_SET 0x01
+#define CXL_PMEM_SEC_STATE_MASTER_PASS_SET 0x02
+#define CXL_PMEM_SEC_STATE_LOCKED 0x04
+#define CXL_PMEM_SEC_STATE_FROZEN 0x08
+#define CXL_PMEM_SEC_STATE_USER_PLIMIT 0x10
+#define CXL_PMEM_SEC_STATE_MASTER_PLIMIT 0x20
+
+/* set passphrase input payload */
+struct cxl_set_pass {
+ u8 type;
+ u8 reserved[31];
+ /* CXL field using NVDIMM define, same length */
+ u8 old_pass[NVDIMM_PASSPHRASE_LEN];
+ u8 new_pass[NVDIMM_PASSPHRASE_LEN];
+} __packed;
+
+/* disable passphrase input payload */
+struct cxl_disable_pass {
+ u8 type;
+ u8 reserved[31];
+ u8 pass[NVDIMM_PASSPHRASE_LEN];
+} __packed;
+
+/* passphrase secure erase payload */
+struct cxl_pass_erase {
+ u8 type;
+ u8 reserved[31];
+ u8 pass[NVDIMM_PASSPHRASE_LEN];
+} __packed;
+
+enum {
+ CXL_PMEM_SEC_PASS_MASTER = 0,
+ CXL_PMEM_SEC_PASS_USER,
+};
+
int cxl_mbox_send_cmd(struct cxl_dev_state *cxlds, u16 opcode, void *in,
size_t in_size, void *out, size_t out_size);
int cxl_dev_state_identify(struct cxl_dev_state *cxlds);