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authorKeith Busch <kbusch@kernel.org>2024-11-04 14:00:14 -0800
committerKeith Busch <kbusch@kernel.org>2024-11-11 09:49:48 -0800
commit83acb24e6de7bbb5cb0df1ba0f47a92da9112061 (patch)
treed755d97c161ba202feccb0139415356de7fa00a4
parent61c9967cd63448292a64f9ee9aeb6e2053e3a624 (diff)
nvmet: implement supported log pages
This log is required for nvme 2.1. Reviewed-by: Matias Bjørling <matias.bjorling@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Keith Busch <kbusch@kernel.org>
-rw-r--r--drivers/nvme/target/admin-cmd.c28
-rw-r--r--include/linux/nvme.h9
2 files changed, 37 insertions, 0 deletions
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index c59e21434833..cbbf911c5cc0 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -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:
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 26de7c5c12be..e9e508bca60f 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -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,