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cxl: Enumerate feature commands

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Add feature commands enumeration code in order to detect and enumerate
the 3 feature related commands "get supported features", "get feature",
and "set feature". The enumeration will help determine whether the driver
can issue any of the 3 commands to the device.

Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Li Ming <ming.li@zohomail.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Tested-by: Shiju Jose <shiju.jose@huawei.com>
Link: https://patch.msgid.link/20250220194438.2281088-2-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
This commit is contained in:
Dave Jiang
2025-02-20 12:42:39 -07:00
parent 5666a7e7da
commit cbbca60a1e
4 changed files with 54 additions and 1 deletions
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3
drivers/cxl/cxlmem.h
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@@ -490,6 +490,9 @@ enum cxl_opcode {
CXL_MBOX_OP_GET_LOG_CAPS = 0x0402,
CXL_MBOX_OP_CLEAR_LOG = 0x0403,
CXL_MBOX_OP_GET_SUP_LOG_SUBLIST = 0x0405,
CXL_MBOX_OP_GET_SUPPORTED_FEATURES = 0x0500,
CXL_MBOX_OP_GET_FEATURE = 0x0501,
CXL_MBOX_OP_SET_FEATURE = 0x0502,
CXL_MBOX_OP_IDENTIFY = 0x4000,
CXL_MBOX_OP_GET_PARTITION_INFO = 0x4100,
CXL_MBOX_OP_SET_PARTITION_INFO = 0x4101,