[PATCHv3 03/11] nvmet: implement supported log pages

Chaitanya Kulkarni chaitanyak at nvidia.com
Tue Nov 5 21:18:30 PST 2024


On 11/5/24 21:16, Chaitanya Kulkarni wrote:
> On 11/5/24 09:48, Keith Busch wrote:
>> From: Keith Busch<kbusch at kernel.org>
>>
>> This log is required for nvme 2.1.
>>
>> Signed-off-by: Keith Busch<kbusch at kernel.org>
>> ---
>>   drivers/nvme/target/admin-cmd.c | 29 +++++++++++++++++++++++++++++
>>   include/linux/nvme.h            |  1 +
>>   2 files changed, 30 insertions(+)
>>
>> diff --git a/drivers/nvme/target/admin-cmd.c 
>> b/drivers/nvme/target/admin-cmd.c
>> index a13242e791c0f..b8229d6c9998d 100644
>> --- a/drivers/nvme/target/admin-cmd.c
>> +++ b/drivers/nvme/target/admin-cmd.c
>> @@ -71,6 +71,33 @@ static void nvmet_execute_get_log_page_error(struct 
>> nvmet_req *req)
>>       nvmet_req_complete(req, 0);
>>   }
>> +static void nvmet_execute_get_supported_log_pages(struct nvmet_req *req)
>> +{
>> +    __le32 *logs;
>> +    u16 status;
>> +
>> +    logs = kzalloc(1024, GFP_KERNEL);
>> +    if (!logs) {
>> +        status = NVME_SC_INTERNAL;
>> +        goto out;
>> +    }
>> +
>> +    logs[NVME_LOG_SUPPORTED] = cpu_to_le32(1);
>> +    logs[NVME_LOG_ERROR] = cpu_to_le32(1);
>> +    logs[NVME_LOG_SMART] = cpu_to_le32(1);
>> +    logs[NVME_LOG_FW_SLOT] = cpu_to_le32(1);
>> +    logs[NVME_LOG_CHANGED_NS] = cpu_to_le32(1);
>> +    logs[NVME_LOG_CMD_EFFECTS] = cpu_to_le32(1);
>> +    logs[NVME_LOG_ENDURANCE_GROUP] = cpu_to_le32(1);
>> +    logs[NVME_LOG_ANA] = cpu_to_le32(1);
>> +    logs[NVME_LOG_RMI] = cpu_to_le32(1);
> 
> based on what we have in nvmet_get_cmd_effects_nvm() how about :-
> 
>          logs[NVME_LOG_SUPPORTED] =
>          logs[NVME_LOG_ERROR] =
>          logs[NVME_LOG_SMART] =
>          logs[NVME_LOG_FW_SLOT] =
>          logs[NVME_LOG_CHANGED_NS] =
>          logs[NVME_LOG_CMD_EFFECTS] =
>          logs[NVME_LOG_ENDURANCE_GROUP] =
>          logs[NVME_LOG_ANA] =
>          logs[NVME_LOG_RMI] =
>                              cpu_to_le32(1);
> 
> if you don't like please ignore this comment.
> 
> Looks good.
> 
> Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>
> 
> -ck
> 

with the status fix for nvmet_req_compelete() ofcourse ...

-ck




More information about the Linux-nvme mailing list