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Subject[PATCH v3 7/9] cxl/mem: Add set of informational commands
Date
Add initial set of formal commands beyond basic identify and command
enumeration.

Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> (v2)
---
drivers/cxl/mem.c | 9 +++++++++
include/uapi/linux/cxl_mem.h | 5 +++++
2 files changed, 14 insertions(+)

diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
index b026c1167bda..3bca8451348a 100644
--- a/drivers/cxl/mem.c
+++ b/drivers/cxl/mem.c
@@ -44,12 +44,16 @@
enum opcode {
CXL_MBOX_OP_INVALID = 0x0000,
CXL_MBOX_OP_RAW = CXL_MBOX_OP_INVALID,
+ CXL_MBOX_OP_GET_FW_INFO = 0x0200,
CXL_MBOX_OP_ACTIVATE_FW = 0x0202,
CXL_MBOX_OP_GET_SUPPORTED_LOGS = 0x0400,
CXL_MBOX_OP_GET_LOG = 0x0401,
CXL_MBOX_OP_IDENTIFY = 0x4000,
+ CXL_MBOX_OP_GET_PARTITION_INFO = 0x4100,
CXL_MBOX_OP_SET_PARTITION_INFO = 0x4101,
+ CXL_MBOX_OP_GET_LSA = 0x4102,
CXL_MBOX_OP_SET_LSA = 0x4103,
+ CXL_MBOX_OP_GET_HEALTH_INFO = 0x4200,
CXL_MBOX_OP_SET_SHUTDOWN_STATE = 0x4204,
CXL_MBOX_OP_SCAN_MEDIA = 0x4304,
CXL_MBOX_OP_GET_SCAN_MEDIA = 0x4305,
@@ -166,6 +170,11 @@ static struct cxl_mem_command mem_commands[] = {
CXL_CMD(RAW, ~0, ~0, 0),
#endif
CXL_CMD(GET_SUPPORTED_LOGS, 0, ~0, CXL_CMD_FLAG_FORCE_ENABLE),
+ CXL_CMD(GET_FW_INFO, 0, 0x50, 0),
+ CXL_CMD(GET_PARTITION_INFO, 0, 0x20, 0),
+ CXL_CMD(GET_LSA, 0x8, ~0, 0),
+ CXL_CMD(GET_HEALTH_INFO, 0, 0x12, 0),
+ CXL_CMD(GET_LOG, 0x18, ~0, CXL_CMD_FLAG_FORCE_ENABLE),
};

/*
diff --git a/include/uapi/linux/cxl_mem.h b/include/uapi/linux/cxl_mem.h
index 3b5bf4b58fb4..7670fe0e605a 100644
--- a/include/uapi/linux/cxl_mem.h
+++ b/include/uapi/linux/cxl_mem.h
@@ -24,6 +24,11 @@
___C(IDENTIFY, "Identify Command"), \
___C(RAW, "Raw device command"), \
___C(GET_SUPPORTED_LOGS, "Get Supported Logs"), \
+ ___C(GET_FW_INFO, "Get FW Info"), \
+ ___C(GET_PARTITION_INFO, "Get Partition Information"), \
+ ___C(GET_LSA, "Get Label Storage Area"), \
+ ___C(GET_HEALTH_INFO, "Get Health Info"), \
+ ___C(GET_LOG, "Get Log"), \
___C(MAX, "invalid / last command")

#define ___C(a, b) CXL_MEM_COMMAND_ID_##a
--
2.30.0
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