diff options
author | Dan Williams <dan.j.williams@intel.com> | 2022-12-05 12:30:38 -0800 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2022-12-05 12:30:38 -0800 |
commit | 95dddcb5e86381abddeb1ccab5b5826fdcc74c70 (patch) | |
tree | b436da563bba57da1d1178ba8cd0bfbd1d9c2e0b /drivers/cxl/cxlmem.h | |
parent | da8380bbbe90f69bec4be69af4d0deb7cf2bbcfe (diff) | |
parent | d18bc74aced65e4ad68a30ac8db883398141e918 (diff) | |
download | linux-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/cxlmem.h')
-rw-r--r-- | drivers/cxl/cxlmem.h | 41 |
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); |