Re: [PATCH v5 7/9] cxl/mem: Add set of informational commands

Konrad Rzeszutek Wilk
2021-02-20T01:14:27Z

On Tue, Feb 16, 2021 at 08:09:56PM -0800, Ben Widawsky wrote:
> 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: Konrad Rzeszutek Wilk <konrad.wilk@oracle.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 e31b3045e231..6d7d3870b5da 100644
> --- a/drivers/cxl/mem.c
> +++ b/drivers/cxl/mem.c
> @@ -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),
> };
>
> /*
> diff --git a/include/uapi/linux/cxl_mem.h b/include/uapi/linux/cxl_mem.h
> index 59227f82a4c1..3155382dfc9b 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
> --
> 2.30.1
>