| dasd_int.h (82814dbafdeef53e13e07134eb3b7be3c975fd21) | dasd_int.h (20c644680af1ef9a6b36c0873f59498c98b07ab1) |
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| 1/* 2 * File...........: linux/drivers/s390/block/dasd_int.h 3 * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> 4 * Horst Hummel <Horst.Hummel@de.ibm.com> 5 * Martin Schwidefsky <schwidefsky@de.ibm.com> 6 * Bugreports.to..: <Linux390@de.ibm.com> 7 * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 8 * --- 254 unchanged lines hidden (view full) --- 263 /* i/o control functions. */ 264 int (*fill_geometry) (struct dasd_device *, struct hd_geometry *); 265 int (*fill_info) (struct dasd_device *, struct dasd_information2_t *); 266 int (*ioctl) (struct dasd_device *, unsigned int, void __user *); 267}; 268 269extern struct dasd_discipline *dasd_diag_discipline_pointer; 270 | 1/* 2 * File...........: linux/drivers/s390/block/dasd_int.h 3 * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> 4 * Horst Hummel <Horst.Hummel@de.ibm.com> 5 * Martin Schwidefsky <schwidefsky@de.ibm.com> 6 * Bugreports.to..: <Linux390@de.ibm.com> 7 * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 8 * --- 254 unchanged lines hidden (view full) --- 263 /* i/o control functions. */ 264 int (*fill_geometry) (struct dasd_device *, struct hd_geometry *); 265 int (*fill_info) (struct dasd_device *, struct dasd_information2_t *); 266 int (*ioctl) (struct dasd_device *, unsigned int, void __user *); 267}; 268 269extern struct dasd_discipline *dasd_diag_discipline_pointer; 270 |
| 271 272/* 273 * Notification numbers for extended error reporting notifications: 274 * The DASD_EER_DISABLE notification is sent before a dasd_device (and it's 275 * eer pointer) is freed. The error reporting module needs to do all necessary 276 * cleanup steps. 277 * The DASD_EER_TRIGGER notification sends the actual error reports (triggers). 278 */ 279#define DASD_EER_DISABLE 0 280#define DASD_EER_TRIGGER 1 281 282/* Trigger IDs for extended error reporting DASD_EER_TRIGGER notification */ 283#define DASD_EER_FATALERROR 1 284#define DASD_EER_NOPATH 2 285#define DASD_EER_STATECHANGE 3 286#define DASD_EER_PPRCSUSPEND 4 287 |
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| 271struct dasd_device { 272 /* Block device stuff. */ 273 struct gendisk *gdp; 274 request_queue_t *request_queue; 275 spinlock_t request_queue_lock; 276 struct block_device *bdev; 277 unsigned int devindex; 278 unsigned long blocks; /* size of volume in blocks */ 279 unsigned int bp_block; /* bytes per block */ 280 unsigned int s2b_shift; /* log2 (bp_block/512) */ 281 unsigned long flags; /* per device flags */ 282 unsigned short features; /* copy of devmap-features (read-only!) */ 283 | 288struct dasd_device { 289 /* Block device stuff. */ 290 struct gendisk *gdp; 291 request_queue_t *request_queue; 292 spinlock_t request_queue_lock; 293 struct block_device *bdev; 294 unsigned int devindex; 295 unsigned long blocks; /* size of volume in blocks */ 296 unsigned int bp_block; /* bytes per block */ 297 unsigned int s2b_shift; /* log2 (bp_block/512) */ 298 unsigned long flags; /* per device flags */ 299 unsigned short features; /* copy of devmap-features (read-only!) */ 300 |
| 301 /* extended error reporting stuff (eer) */ 302 struct dasd_ccw_req *eer_cqr; 303 |
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| 284 /* Device discipline stuff. */ 285 struct dasd_discipline *discipline; 286 struct dasd_discipline *base_discipline; 287 char *private; 288 289 /* Device state and target state. */ 290 int state, target; 291 int stopped; /* device (ccw_device_start) was stopped */ --- 29 unchanged lines hidden (view full) --- 321#define DASD_STOPPED_QUIESCE 2 /* Quiesced */ 322#define DASD_STOPPED_PENDING 4 /* long busy */ 323#define DASD_STOPPED_DC_WAIT 8 /* disconnected, wait */ 324#define DASD_STOPPED_DC_EIO 16 /* disconnected, return -EIO */ 325 326/* per device flags */ 327#define DASD_FLAG_DSC_ERROR 2 /* return -EIO when disconnected */ 328#define DASD_FLAG_OFFLINE 3 /* device is in offline processing */ | 304 /* Device discipline stuff. */ 305 struct dasd_discipline *discipline; 306 struct dasd_discipline *base_discipline; 307 char *private; 308 309 /* Device state and target state. */ 310 int state, target; 311 int stopped; /* device (ccw_device_start) was stopped */ --- 29 unchanged lines hidden (view full) --- 341#define DASD_STOPPED_QUIESCE 2 /* Quiesced */ 342#define DASD_STOPPED_PENDING 4 /* long busy */ 343#define DASD_STOPPED_DC_WAIT 8 /* disconnected, wait */ 344#define DASD_STOPPED_DC_EIO 16 /* disconnected, return -EIO */ 345 346/* per device flags */ 347#define DASD_FLAG_DSC_ERROR 2 /* return -EIO when disconnected */ 348#define DASD_FLAG_OFFLINE 3 /* device is in offline processing */ |
| 349#define DASD_FLAG_EER_SNSS 4 /* A SNSS is required */ 350#define DASD_FLAG_EER_IN_USE 5 /* A SNSS request is running */ |
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| 329 330void dasd_put_device_wake(struct dasd_device *); 331 332/* 333 * Reference count inliners 334 */ 335static inline void 336dasd_get_device(struct dasd_device *device) --- 203 unchanged lines hidden (view full) --- 540 541/* externals in dasd_9336_erp.c */ 542dasd_era_t dasd_9336_erp_examine(struct dasd_ccw_req *, struct irb *); 543 544/* externals in dasd_9336_erp.c */ 545dasd_era_t dasd_9343_erp_examine(struct dasd_ccw_req *, struct irb *); 546struct dasd_ccw_req *dasd_9343_erp_action(struct dasd_ccw_req *); 547 | 351 352void dasd_put_device_wake(struct dasd_device *); 353 354/* 355 * Reference count inliners 356 */ 357static inline void 358dasd_get_device(struct dasd_device *device) --- 203 unchanged lines hidden (view full) --- 562 563/* externals in dasd_9336_erp.c */ 564dasd_era_t dasd_9336_erp_examine(struct dasd_ccw_req *, struct irb *); 565 566/* externals in dasd_9336_erp.c */ 567dasd_era_t dasd_9343_erp_examine(struct dasd_ccw_req *, struct irb *); 568struct dasd_ccw_req *dasd_9343_erp_action(struct dasd_ccw_req *); 569 |
| 570/* externals in dasd_eer.c */ 571#ifdef CONFIG_DASD_EER 572int dasd_eer_init(void); 573void dasd_eer_exit(void); 574int dasd_eer_enable(struct dasd_device *); 575void dasd_eer_disable(struct dasd_device *); 576void dasd_eer_write(struct dasd_device *, struct dasd_ccw_req *cqr, 577 unsigned int id); 578void dasd_eer_snss(struct dasd_device *); 579 580static inline int dasd_eer_enabled(struct dasd_device *device) 581{ 582 return device->eer_cqr != NULL; 583} 584#else 585#define dasd_eer_init() (0) 586#define dasd_eer_exit() do { } while (0) 587#define dasd_eer_enable(d) (0) 588#define dasd_eer_disable(d) do { } while (0) 589#define dasd_eer_write(d,c,i) do { } while (0) 590#define dasd_eer_snss(d) do { } while (0) 591#define dasd_eer_enabled(d) (0) 592#endif /* CONFIG_DASD_ERR */ 593 |
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| 548#endif /* __KERNEL__ */ 549 550#endif /* DASD_H */ 551 552/* 553 * Overrides for Emacs so that we follow Linus's tabbing style. 554 * Emacs will notice this stuff at the end of the file and automatically 555 * adjust the settings for this buffer only. This must remain at the end --- 14 unchanged lines hidden --- | 594#endif /* __KERNEL__ */ 595 596#endif /* DASD_H */ 597 598/* 599 * Overrides for Emacs so that we follow Linus's tabbing style. 600 * Emacs will notice this stuff at the end of the file and automatically 601 * adjust the settings for this buffer only. This must remain at the end --- 14 unchanged lines hidden --- |