Commit 83acb24e authored by Keith Busch's avatar Keith Busch
Browse files

nvmet: implement supported log pages 



This log is required for nvme 2.1.

Reviewed-by: default avatarMatias Bjørling <matias.bjorling@wdc.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarKeith Busch <kbusch@kernel.org>
parent 61c9967c

drivers/nvme/target/admin-cmd.c

+28 −0
Original line number Diff line number Diff line
@@ -71,6 +71,32 @@ 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)

{

	struct nvme_supported_log *logs;

	u16 status;



	logs = kzalloc(sizeof(*logs), GFP_KERNEL);

	if (!logs) {

		status = NVME_SC_INTERNAL;

		goto out;

	}



	logs->lids[NVME_LOG_SUPPORTED] = cpu_to_le32(NVME_LIDS_LSUPP);

	logs->lids[NVME_LOG_ERROR] = cpu_to_le32(NVME_LIDS_LSUPP);

	logs->lids[NVME_LOG_SMART] = cpu_to_le32(NVME_LIDS_LSUPP);

	logs->lids[NVME_LOG_FW_SLOT] = cpu_to_le32(NVME_LIDS_LSUPP);

	logs->lids[NVME_LOG_CHANGED_NS] = cpu_to_le32(NVME_LIDS_LSUPP);

	logs->lids[NVME_LOG_CMD_EFFECTS] = cpu_to_le32(NVME_LIDS_LSUPP);

	logs->lids[NVME_LOG_ANA] = cpu_to_le32(NVME_LIDS_LSUPP);

	logs->lids[NVME_LOG_RESERVATION] = cpu_to_le32(NVME_LIDS_LSUPP);



	status = nvmet_copy_to_sgl(req, 0, logs, sizeof(*logs));

	kfree(logs);

out:

	nvmet_req_complete(req, status);

}



static u16 nvmet_get_smart_log_nsid(struct nvmet_req *req,

		struct nvme_smart_log *slog)

{
@@ -327,6 +353,8 @@ static void nvmet_execute_get_log_page(struct nvmet_req *req) 
		return;



	switch (req->cmd->get_log_page.lid) {

	case NVME_LOG_SUPPORTED:

		return nvmet_execute_get_supported_log_pages(req);

	case NVME_LOG_ERROR:

		return nvmet_execute_get_log_page_error(req);

	case NVME_LOG_SMART:

include/linux/nvme.h

+9 −0
Original line number Diff line number Diff line
@@ -1245,6 +1245,7 @@ enum { 
	NVME_FEAT_WRITE_PROTECT	= 0x84,

	NVME_FEAT_VENDOR_START	= 0xC0,

	NVME_FEAT_VENDOR_END	= 0xFF,

	NVME_LOG_SUPPORTED	= 0x00,

	NVME_LOG_ERROR		= 0x01,

	NVME_LOG_SMART		= 0x02,

	NVME_LOG_FW_SLOT	= 0x03,
@@ -1262,6 +1263,14 @@ enum { 
	NVME_FWACT_ACTV		= (2 << 3),

};



struct nvme_supported_log {

	__le32	lids[256];

};



enum {

	NVME_LIDS_LSUPP	= 1 << 0,

};



/* NVMe Namespace Write Protect State */

enum {

	NVME_NS_NO_WRITE_PROTECT = 0,