diff options
| author |   Jay Sternberg <jay.e.sternberg@intel.com> | 2018-11-12 13:56:33 -0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-12-07 22:26:56 -0700 |
| commit | 6c8312ad509c3aaaa8720fee7abe45b813cd4d87 (patch) | |
| tree | c498323eae6a8bb90c4272c8da82fd6a82d75263 /drivers | |
| parent | nvmet: use IOCB_NOWAIT for file-ns buffered I/O (diff) | |
| download | linux-dev-6c8312ad509c3aaaa8720fee7abe45b813cd4d87.tar.xz linux-dev-6c8312ad509c3aaaa8720fee7abe45b813cd4d87.zip | |
nvmet: provide aen bit functions for multiple controller types
Move nvmet_aen_disabled and nvmet_clear_aen in preparation for other types
of controllers to use, initially the discovery controller.
Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/nvme/target/admin-cmd.c | 13 | ||||
| -rw-r--r-- | drivers/nvme/target/core.c | 7 | ||||
| -rw-r--r-- | drivers/nvme/target/nvmet.h | 15 |
3 files changed, 15 insertions, 20 deletions
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index c9c6d25a3ec2..e82262c988f1 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -19,19 +19,6 @@ #include <asm/unaligned.h> #include "nvmet.h" -/* - * This helper allows us to clear the AEN based on the RAE bit, - * Please use this helper when processing the log pages which are - * associated with the AEN. - */ -static inline void nvmet_clear_aen(struct nvmet_req *req, u32 aen_bit) -{ - int rae = le32_to_cpu(req->cmd->common.cdw10[0]) & 1 << 15; - - if (!rae) - clear_bit(aen_bit, &req->sq->ctrl->aen_masked); -} - u32 nvmet_get_log_page_len(struct nvme_command *cmd) { u32 len = le16_to_cpu(cmd->get_log_page.numdu); diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 05d8d9bc058f..f33c4a20b572 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -150,13 +150,6 @@ static void nvmet_add_async_event(struct nvmet_ctrl *ctrl, u8 event_type, schedule_work(&ctrl->async_event_work); } -static bool nvmet_aen_disabled(struct nvmet_ctrl *ctrl, u32 aen) -{ - if (!(READ_ONCE(ctrl->aen_enabled) & aen)) - return true; - return test_and_set_bit(aen, &ctrl->aen_masked); -} - static void nvmet_add_to_changed_ns_log(struct nvmet_ctrl *ctrl, __le32 nsid) { u32 i; diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 860218edeb6c..7efee345d467 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -342,6 +342,21 @@ struct nvmet_async_event { u8 log_page; }; +static inline void nvmet_clear_aen(struct nvmet_req *req, u32 aen_bit) +{ + int rae = le32_to_cpu(req->cmd->common.cdw10[0]) & 1 << 15; + + if (!rae) + clear_bit(aen_bit, &req->sq->ctrl->aen_masked); +} + +static inline bool nvmet_aen_disabled(struct nvmet_ctrl *ctrl, u32 aen) +{ + if (!(READ_ONCE(ctrl->aen_enabled) & aen)) + return true; + return test_and_set_bit(aen, &ctrl->aen_masked); +} + u16 nvmet_parse_connect_cmd(struct nvmet_req *req); u16 nvmet_bdev_parse_io_cmd(struct nvmet_req *req); u16 nvmet_file_parse_io_cmd(struct nvmet_req *req); |