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2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771 
 kernel/drivers/scsi/sd.h
....@@ -75,14 +75,22 @@
7575 	struct opal_dev *opal_dev;
7676 #ifdef CONFIG_BLK_DEV_ZONED
7777 	u32		nr_zones;
78
+	u32		rev_nr_zones;
7879 	u32		zone_blocks;
79
-	u32		zone_shift;
80
+	u32		rev_zone_blocks;
8081 	u32		zones_optimal_open;
8182 	u32		zones_optimal_nonseq;
8283 	u32		zones_max_open;
84
+	u32		*zones_wp_offset;
85
+	spinlock_t	zones_wp_offset_lock;
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+	u32		*rev_wp_offset;
87
+	struct mutex	rev_mutex;
88
+	struct work_struct zone_wp_offset_work;
89
+	char		*zone_wp_update_buf;
8390 #endif
8491 	atomic_t	openers;
8592 	sector_t	capacity;	/* size in logical blocks */
93
+	int		max_retries;
8694 	u32		max_xfer_blocks;
8795 	u32		opt_xfer_blocks;
8896 	u32		max_ws_blocks;
....@@ -136,7 +144,7 @@
136144 
137145 #define sd_first_printk(prefix, sdsk, fmt, a...)			\
138146 	do {								\
139
-		if ((sdkp)->first_scan)					\
147
+		if ((sdsk)->first_scan)					\
140148 			sd_printk(prefix, sdsk, fmt, ##a);		\
141149 	} while (0)
142150 
....@@ -192,68 +200,6 @@
192200 	return sector >> (ilog2(sdev->sector_size) - 9);
193201 }
194202 
195
-/*
196
- * Look up the DIX operation based on whether the command is read or
197
- * write and whether dix and dif are enabled.
198
- */
199
-static inline unsigned int sd_prot_op(bool write, bool dix, bool dif)
200
-{
201
-	/* Lookup table: bit 2 (write), bit 1 (dix), bit 0 (dif) */
202
-	const unsigned int ops[] = {	/* wrt dix dif */
203
-		SCSI_PROT_NORMAL,	/*  0	0   0  */
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-		SCSI_PROT_READ_STRIP,	/*  0	0   1  */
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-		SCSI_PROT_READ_INSERT,	/*  0	1   0  */
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-		SCSI_PROT_READ_PASS,	/*  0	1   1  */
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-		SCSI_PROT_NORMAL,	/*  1	0   0  */
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-		SCSI_PROT_WRITE_INSERT, /*  1	0   1  */
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-		SCSI_PROT_WRITE_STRIP,	/*  1	1   0  */
210
-		SCSI_PROT_WRITE_PASS,	/*  1	1   1  */
211
-	};
212
-
213
-	return ops[write << 2 | dix << 1 | dif];
214
-}
215
-
216
-/*
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- * Returns a mask of the protection flags that are valid for a given DIX
218
- * operation.
219
- */
220
-static inline unsigned int sd_prot_flag_mask(unsigned int prot_op)
221
-{
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-	const unsigned int flag_mask[] = {
223
-		[SCSI_PROT_NORMAL]		= 0,
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-
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-		[SCSI_PROT_READ_STRIP]		= SCSI_PROT_TRANSFER_PI |
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-						  SCSI_PROT_GUARD_CHECK |
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-						  SCSI_PROT_REF_CHECK |
228
-						  SCSI_PROT_REF_INCREMENT,
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-
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-		[SCSI_PROT_READ_INSERT]		= SCSI_PROT_REF_INCREMENT |
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-						  SCSI_PROT_IP_CHECKSUM,
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-
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-		[SCSI_PROT_READ_PASS]		= SCSI_PROT_TRANSFER_PI |
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-						  SCSI_PROT_GUARD_CHECK |
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-						  SCSI_PROT_REF_CHECK |
236
-						  SCSI_PROT_REF_INCREMENT |
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-						  SCSI_PROT_IP_CHECKSUM,
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-
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-		[SCSI_PROT_WRITE_INSERT]	= SCSI_PROT_TRANSFER_PI |
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-						  SCSI_PROT_REF_INCREMENT,
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-
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-		[SCSI_PROT_WRITE_STRIP]		= SCSI_PROT_GUARD_CHECK |
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-						  SCSI_PROT_REF_CHECK |
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-						  SCSI_PROT_REF_INCREMENT |
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-						  SCSI_PROT_IP_CHECKSUM,
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-
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-		[SCSI_PROT_WRITE_PASS]		= SCSI_PROT_TRANSFER_PI |
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-						  SCSI_PROT_GUARD_CHECK |
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-						  SCSI_PROT_REF_CHECK |
250
-						  SCSI_PROT_REF_INCREMENT |
251
-						  SCSI_PROT_IP_CHECKSUM,
252
-	};
253
-
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-	return flag_mask[prot_op];
255
-}
256
-
257203 #ifdef CONFIG_BLK_DEV_INTEGRITY
258204 
259205 extern void sd_dif_config_host(struct scsi_disk *);
....@@ -273,15 +219,22 @@
273219 
274220 #ifdef CONFIG_BLK_DEV_ZONED
275221 
276
-extern int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buffer);
277
-extern void sd_zbc_remove(struct scsi_disk *sdkp);
278
-extern void sd_zbc_print_zones(struct scsi_disk *sdkp);
279
-extern int sd_zbc_setup_report_cmnd(struct scsi_cmnd *cmd);
280
-extern int sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd);
281
-extern void sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
282
-			    struct scsi_sense_hdr *sshdr);
222
+void sd_zbc_release_disk(struct scsi_disk *sdkp);
223
+int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buffer);
224
+int sd_zbc_revalidate_zones(struct scsi_disk *sdkp);
225
+blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
226
+					 unsigned char op, bool all);
227
+unsigned int sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
228
+			     struct scsi_sense_hdr *sshdr);
229
+int sd_zbc_report_zones(struct gendisk *disk, sector_t sector,
230
+		unsigned int nr_zones, report_zones_cb cb, void *data);
231
+
232
+blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba,
233
+				        unsigned int nr_blocks);
283234 
284235 #else /* CONFIG_BLK_DEV_ZONED */
236
+
237
+static inline void sd_zbc_release_disk(struct scsi_disk *sdkp) {}
285238 
286239 static inline int sd_zbc_read_zones(struct scsi_disk *sdkp,
287240 				    unsigned char *buf)
....@@ -289,24 +242,36 @@
289242 	return 0;
290243 }
291244 
292
-static inline void sd_zbc_remove(struct scsi_disk *sdkp) {}
293
-
294
-static inline void sd_zbc_print_zones(struct scsi_disk *sdkp) {}
295
-
296
-static inline int sd_zbc_setup_report_cmnd(struct scsi_cmnd *cmd)
245
+static inline int sd_zbc_revalidate_zones(struct scsi_disk *sdkp)
297246 {
298
-	return BLKPREP_INVALID;
247
+	return 0;
299248 }
300249 
301
-static inline int sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd)
250
+static inline blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
251
+						       unsigned char op,
252
+						       bool all)
302253 {
303
-	return BLKPREP_INVALID;
254
+	return BLK_STS_TARGET;
304255 }
305256 
306
-static inline void sd_zbc_complete(struct scsi_cmnd *cmd,
307
-				   unsigned int good_bytes,
308
-				   struct scsi_sense_hdr *sshdr) {}
257
+static inline unsigned int sd_zbc_complete(struct scsi_cmnd *cmd,
258
+			unsigned int good_bytes, struct scsi_sense_hdr *sshdr)
259
+{
260
+	return good_bytes;
261
+}
262
+
263
+static inline blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd,
264
+						      sector_t *lba,
265
+						      unsigned int nr_blocks)
266
+{
267
+	return BLK_STS_TARGET;
268
+}
269
+
270
+#define sd_zbc_report_zones NULL
309271 
310272 #endif /* CONFIG_BLK_DEV_ZONED */
311273 
274
+void sd_print_sense_hdr(struct scsi_disk *sdkp, struct scsi_sense_hdr *sshdr);
275
+void sd_print_result(const struct scsi_disk *sdkp, const char *msg, int result);
276
+
312277 #endif /* _SCSI_DISK_H */