[PATCHv12 08/12] nvme: add a nvme_get_log_lsi helper

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From: Christoph Hellwig <hch@xxxxxx>

For log pages that need to pass in a LSI value, while at the same time
not touching all the existing nvme_get_log callers.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Keith Busch <kbusch@xxxxxxxxxx>
---
 drivers/nvme/host/core.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 571d4106d256d..36c44be98e38c 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -150,6 +150,8 @@ static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl,
 					   unsigned nsid);
 static void nvme_update_keep_alive(struct nvme_ctrl *ctrl,
 				   struct nvme_command *cmd);
+static int nvme_get_log_lsi(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page,
+		u8 lsp, u8 csi, void *log, size_t size, u64 offset, u16 lsi);
 
 void nvme_queue_scan(struct nvme_ctrl *ctrl)
 {
@@ -3074,8 +3076,8 @@ static int nvme_init_subsystem(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
 	return ret;
 }
 
-int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, u8 csi,
-		void *log, size_t size, u64 offset)
+static int nvme_get_log_lsi(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page,
+		u8 lsp, u8 csi, void *log, size_t size, u64 offset, u16 lsi)
 {
 	struct nvme_command c = { };
 	u32 dwlen = nvme_bytes_to_numd(size);
@@ -3089,10 +3091,18 @@ int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, u8 csi,
 	c.get_log_page.lpol = cpu_to_le32(lower_32_bits(offset));
 	c.get_log_page.lpou = cpu_to_le32(upper_32_bits(offset));
 	c.get_log_page.csi = csi;
+	c.get_log_page.lsi = cpu_to_le16(lsi);
 
 	return nvme_submit_sync_cmd(ctrl->admin_q, &c, log, size);
 }
 
+int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, u8 csi,
+		void *log, size_t size, u64 offset)
+{
+	return nvme_get_log_lsi(ctrl, nsid, log_page, lsp, csi, log, size,
+			offset, 0);
+}
+
 static int nvme_get_effects_log(struct nvme_ctrl *ctrl, u8 csi,
 				struct nvme_effects_log **log)
 {
-- 
2.43.5






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