Commit 57ee605b authored by Ben Widawsky's avatar Ben Widawsky Committed by Dan Williams
Browse files

cxl/mem: Add set of informational commands 



Add initial set of formal commands beyond basic identify and command
enumeration.

Signed-off-by: default avatarBen Widawsky <ben.widawsky@intel.com>
Reviewed-by: default avatarDan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> (v2)
Link: https://lore.kernel.org/r/20210217040958.1354670-8-ben.widawsky@intel.com


Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 472b1ce6

drivers/cxl/mem.c

+9 −0
Original line number Diff line number Diff line
@@ -45,12 +45,16 @@ 
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,
@@ -171,6 +175,11 @@ 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),

};



/*

include/uapi/linux/cxl_mem.h

+5 −0
Original line number Diff line number Diff line
@@ -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