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83 lines
2.1 KiB
83 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef INT_BLK_MQ_DEBUGFS_H
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#define INT_BLK_MQ_DEBUGFS_H
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#ifdef CONFIG_BLK_DEBUG_FS
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#include <linux/seq_file.h>
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struct blk_mq_debugfs_attr {
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const char *name;
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umode_t mode;
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int (*show)(void *, struct seq_file *);
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ssize_t (*write)(void *, const char __user *, size_t, loff_t *);
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/* Set either .show or .seq_ops. */
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const struct seq_operations *seq_ops;
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};
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int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq);
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int blk_mq_debugfs_rq_show(struct seq_file *m, void *v);
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int blk_mq_debugfs_register(struct request_queue *q);
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void blk_mq_debugfs_unregister(struct request_queue *q);
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int blk_mq_debugfs_register_hctx(struct request_queue *q,
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struct blk_mq_hw_ctx *hctx);
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void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx);
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int blk_mq_debugfs_register_hctxs(struct request_queue *q);
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void blk_mq_debugfs_unregister_hctxs(struct request_queue *q);
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int blk_mq_debugfs_register_sched(struct request_queue *q);
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void blk_mq_debugfs_unregister_sched(struct request_queue *q);
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int blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
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struct blk_mq_hw_ctx *hctx);
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void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx);
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#else
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static inline int blk_mq_debugfs_register(struct request_queue *q)
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{
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return 0;
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}
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static inline void blk_mq_debugfs_unregister(struct request_queue *q)
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{
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}
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static inline int blk_mq_debugfs_register_hctx(struct request_queue *q,
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struct blk_mq_hw_ctx *hctx)
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{
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return 0;
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}
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static inline void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx)
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{
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}
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static inline int blk_mq_debugfs_register_hctxs(struct request_queue *q)
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{
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return 0;
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}
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static inline void blk_mq_debugfs_unregister_hctxs(struct request_queue *q)
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{
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}
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static inline int blk_mq_debugfs_register_sched(struct request_queue *q)
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{
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return 0;
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}
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static inline void blk_mq_debugfs_unregister_sched(struct request_queue *q)
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{
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}
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static inline int blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
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struct blk_mq_hw_ctx *hctx)
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{
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return 0;
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}
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static inline void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx)
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{
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}
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#endif
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#endif
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