From cde9070d9970eef1f7ec2360586c802a16230ad8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:50 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux driver
---
kernel/drivers/md/dm-zoned.h | 116 ++++++++++++++++++++++++++++++++++++++++------------------
1 files changed, 80 insertions(+), 36 deletions(-)
diff --git a/kernel/drivers/md/dm-zoned.h b/kernel/drivers/md/dm-zoned.h
index 2662746..22f1144 100644
--- a/kernel/drivers/md/dm-zoned.h
+++ b/kernel/drivers/md/dm-zoned.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2017 Western Digital Corporation or its affiliates.
*
@@ -44,34 +45,50 @@
#define dmz_bio_block(bio) dmz_sect2blk((bio)->bi_iter.bi_sector)
#define dmz_bio_blocks(bio) dmz_sect2blk(bio_sectors(bio))
+struct dmz_metadata;
+struct dmz_reclaim;
+
/*
* Zoned block device information.
*/
struct dmz_dev {
struct block_device *bdev;
+ struct dmz_metadata *metadata;
+ struct dmz_reclaim *reclaim;
char name[BDEVNAME_SIZE];
+ uuid_t uuid;
sector_t capacity;
+ unsigned int dev_idx;
+
unsigned int nr_zones;
+ unsigned int zone_offset;
unsigned int flags;
sector_t zone_nr_sectors;
- unsigned int zone_nr_sectors_shift;
- sector_t zone_nr_blocks;
- sector_t zone_nr_blocks_shift;
+ unsigned int nr_rnd;
+ atomic_t unmap_nr_rnd;
+ struct list_head unmap_rnd_list;
+ struct list_head map_rnd_list;
+
+ unsigned int nr_seq;
+ atomic_t unmap_nr_seq;
+ struct list_head unmap_seq_list;
+ struct list_head map_seq_list;
};
-#define dmz_bio_chunk(dev, bio) ((bio)->bi_iter.bi_sector >> \
- (dev)->zone_nr_sectors_shift)
-#define dmz_chunk_block(dev, b) ((b) & ((dev)->zone_nr_blocks - 1))
+#define dmz_bio_chunk(zmd, bio) ((bio)->bi_iter.bi_sector >> \
+ dmz_zone_nr_sectors_shift(zmd))
+#define dmz_chunk_block(zmd, b) ((b) & (dmz_zone_nr_blocks(zmd) - 1))
/* Device flags. */
#define DMZ_BDEV_DYING (1 << 0)
#define DMZ_CHECK_BDEV (2 << 0)
+#define DMZ_BDEV_REGULAR (4 << 0)
/*
* Zone descriptor.
@@ -80,11 +97,17 @@
/* For listing the zone depending on its state */
struct list_head link;
+ /* Device containing this zone */
+ struct dmz_dev *dev;
+
/* Zone type and state */
unsigned long flags;
/* Zone activation reference count */
atomic_t refcount;
+
+ /* Zone id */
+ unsigned int id;
/* Zone write pointer block (relative to the zone start block) */
unsigned int wp_block;
@@ -108,6 +131,7 @@
*/
enum {
/* Zone write type */
+ DMZ_CACHE,
DMZ_RND,
DMZ_SEQ,
@@ -119,22 +143,28 @@
DMZ_META,
DMZ_DATA,
DMZ_BUF,
+ DMZ_RESERVED,
/* Zone internal state */
DMZ_RECLAIM,
DMZ_SEQ_WRITE_ERR,
+ DMZ_RECLAIM_TERMINATE,
};
/*
* Zone data accessors.
*/
+#define dmz_is_cache(z) test_bit(DMZ_CACHE, &(z)->flags)
#define dmz_is_rnd(z) test_bit(DMZ_RND, &(z)->flags)
#define dmz_is_seq(z) test_bit(DMZ_SEQ, &(z)->flags)
#define dmz_is_empty(z) ((z)->wp_block == 0)
#define dmz_is_offline(z) test_bit(DMZ_OFFLINE, &(z)->flags)
#define dmz_is_readonly(z) test_bit(DMZ_READ_ONLY, &(z)->flags)
#define dmz_in_reclaim(z) test_bit(DMZ_RECLAIM, &(z)->flags)
+#define dmz_is_reserved(z) test_bit(DMZ_RESERVED, &(z)->flags)
#define dmz_seq_write_err(z) test_bit(DMZ_SEQ_WRITE_ERR, &(z)->flags)
+#define dmz_reclaim_should_terminate(z) \
+ test_bit(DMZ_RECLAIM_TERMINATE, &(z)->flags)
#define dmz_is_meta(z) test_bit(DMZ_META, &(z)->flags)
#define dmz_is_buf(z) test_bit(DMZ_BUF, &(z)->flags)
@@ -157,13 +187,11 @@
#define dmz_dev_debug(dev, format, args...) \
DMDEBUG("(%s): " format, (dev)->name, ## args)
-struct dmz_metadata;
-struct dmz_reclaim;
-
/*
* Functions defined in dm-zoned-metadata.c
*/
-int dmz_ctr_metadata(struct dmz_dev *dev, struct dmz_metadata **zmd);
+int dmz_ctr_metadata(struct dmz_dev *dev, int num_dev,
+ struct dmz_metadata **zmd, const char *devname);
void dmz_dtr_metadata(struct dmz_metadata *zmd);
int dmz_resume_metadata(struct dmz_metadata *zmd);
@@ -174,23 +202,38 @@
void dmz_lock_flush(struct dmz_metadata *zmd);
void dmz_unlock_flush(struct dmz_metadata *zmd);
int dmz_flush_metadata(struct dmz_metadata *zmd);
+const char *dmz_metadata_label(struct dmz_metadata *zmd);
-unsigned int dmz_id(struct dmz_metadata *zmd, struct dm_zone *zone);
sector_t dmz_start_sect(struct dmz_metadata *zmd, struct dm_zone *zone);
sector_t dmz_start_block(struct dmz_metadata *zmd, struct dm_zone *zone);
unsigned int dmz_nr_chunks(struct dmz_metadata *zmd);
-#define DMZ_ALLOC_RND 0x01
-#define DMZ_ALLOC_RECLAIM 0x02
+bool dmz_check_dev(struct dmz_metadata *zmd);
+bool dmz_dev_is_dying(struct dmz_metadata *zmd);
-struct dm_zone *dmz_alloc_zone(struct dmz_metadata *zmd, unsigned long flags);
+#define DMZ_ALLOC_RND 0x01
+#define DMZ_ALLOC_CACHE 0x02
+#define DMZ_ALLOC_SEQ 0x04
+#define DMZ_ALLOC_RECLAIM 0x10
+
+struct dm_zone *dmz_alloc_zone(struct dmz_metadata *zmd,
+ unsigned int dev_idx, unsigned long flags);
void dmz_free_zone(struct dmz_metadata *zmd, struct dm_zone *zone);
void dmz_map_zone(struct dmz_metadata *zmd, struct dm_zone *zone,
unsigned int chunk);
void dmz_unmap_zone(struct dmz_metadata *zmd, struct dm_zone *zone);
-unsigned int dmz_nr_rnd_zones(struct dmz_metadata *zmd);
-unsigned int dmz_nr_unmap_rnd_zones(struct dmz_metadata *zmd);
+unsigned int dmz_nr_zones(struct dmz_metadata *zmd);
+unsigned int dmz_nr_cache_zones(struct dmz_metadata *zmd);
+unsigned int dmz_nr_unmap_cache_zones(struct dmz_metadata *zmd);
+unsigned int dmz_nr_rnd_zones(struct dmz_metadata *zmd, int idx);
+unsigned int dmz_nr_unmap_rnd_zones(struct dmz_metadata *zmd, int idx);
+unsigned int dmz_nr_seq_zones(struct dmz_metadata *zmd, int idx);
+unsigned int dmz_nr_unmap_seq_zones(struct dmz_metadata *zmd, int idx);
+unsigned int dmz_zone_nr_blocks(struct dmz_metadata *zmd);
+unsigned int dmz_zone_nr_blocks_shift(struct dmz_metadata *zmd);
+unsigned int dmz_zone_nr_sectors(struct dmz_metadata *zmd);
+unsigned int dmz_zone_nr_sectors_shift(struct dmz_metadata *zmd);
/*
* Activate a zone (increment its reference count).
@@ -200,26 +243,10 @@
atomic_inc(&zone->refcount);
}
-/*
- * Deactivate a zone. This decrement the zone reference counter
- * indicating that all BIOs to the zone have completed when the count is 0.
- */
-static inline void dmz_deactivate_zone(struct dm_zone *zone)
-{
- atomic_dec(&zone->refcount);
-}
-
-/*
- * Test if a zone is active, that is, has a refcount > 0.
- */
-static inline bool dmz_is_active(struct dm_zone *zone)
-{
- return atomic_read(&zone->refcount);
-}
-
int dmz_lock_zone_reclaim(struct dm_zone *zone);
void dmz_unlock_zone_reclaim(struct dm_zone *zone);
-struct dm_zone *dmz_get_zone_for_reclaim(struct dmz_metadata *zmd);
+struct dm_zone *dmz_get_zone_for_reclaim(struct dmz_metadata *zmd,
+ unsigned int dev_idx, bool idle);
struct dm_zone *dmz_get_chunk_mapping(struct dmz_metadata *zmd,
unsigned int chunk, int op);
@@ -243,8 +270,7 @@
/*
* Functions defined in dm-zoned-reclaim.c
*/
-int dmz_ctr_reclaim(struct dmz_dev *dev, struct dmz_metadata *zmd,
- struct dmz_reclaim **zrc);
+int dmz_ctr_reclaim(struct dmz_metadata *zmd, struct dmz_reclaim **zrc, int idx);
void dmz_dtr_reclaim(struct dmz_reclaim *zrc);
void dmz_suspend_reclaim(struct dmz_reclaim *zrc);
void dmz_resume_reclaim(struct dmz_reclaim *zrc);
@@ -257,4 +283,22 @@
bool dmz_bdev_is_dying(struct dmz_dev *dmz_dev);
bool dmz_check_bdev(struct dmz_dev *dmz_dev);
+/*
+ * Deactivate a zone. This decrement the zone reference counter
+ * indicating that all BIOs to the zone have completed when the count is 0.
+ */
+static inline void dmz_deactivate_zone(struct dm_zone *zone)
+{
+ dmz_reclaim_bio_acc(zone->dev->reclaim);
+ atomic_dec(&zone->refcount);
+}
+
+/*
+ * Test if a zone is active, that is, has a refcount > 0.
+ */
+static inline bool dmz_is_active(struct dm_zone *zone)
+{
+ return atomic_read(&zone->refcount);
+}
+
#endif /* DM_ZONED_H */
--
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