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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2001-2002 by David Brownell | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License as published by the | |
6 | * Free Software Foundation; either version 2 of the License, or (at your | |
7 | * option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
11 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 | * for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software Foundation, | |
16 | * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
17 | */ | |
18 | ||
19 | ||
20 | #ifdef __KERNEL__ | |
21 | ||
22 | /* This file contains declarations of usbcore internals that are mostly | |
23 | * used or exposed by Host Controller Drivers. | |
24 | */ | |
25 | ||
26 | /* | |
27 | * USB Packet IDs (PIDs) | |
28 | */ | |
29 | #define USB_PID_UNDEF_0 0xf0 | |
30 | #define USB_PID_OUT 0xe1 | |
31 | #define USB_PID_ACK 0xd2 | |
32 | #define USB_PID_DATA0 0xc3 | |
33 | #define USB_PID_PING 0xb4 /* USB 2.0 */ | |
34 | #define USB_PID_SOF 0xa5 | |
35 | #define USB_PID_NYET 0x96 /* USB 2.0 */ | |
36 | #define USB_PID_DATA2 0x87 /* USB 2.0 */ | |
37 | #define USB_PID_SPLIT 0x78 /* USB 2.0 */ | |
38 | #define USB_PID_IN 0x69 | |
39 | #define USB_PID_NAK 0x5a | |
40 | #define USB_PID_DATA1 0x4b | |
41 | #define USB_PID_PREAMBLE 0x3c /* Token mode */ | |
42 | #define USB_PID_ERR 0x3c /* USB 2.0: handshake mode */ | |
43 | #define USB_PID_SETUP 0x2d | |
44 | #define USB_PID_STALL 0x1e | |
45 | #define USB_PID_MDATA 0x0f /* USB 2.0 */ | |
46 | ||
47 | /*-------------------------------------------------------------------------*/ | |
48 | ||
49 | /* | |
50 | * USB Host Controller Driver (usb_hcd) framework | |
51 | * | |
52 | * Since "struct usb_bus" is so thin, you can't share much code in it. | |
53 | * This framework is a layer over that, and should be more sharable. | |
54 | */ | |
55 | ||
56 | /*-------------------------------------------------------------------------*/ | |
57 | ||
58 | struct usb_hcd { /* usb_bus.hcpriv points to this */ | |
59 | ||
60 | /* | |
61 | * housekeeping | |
62 | */ | |
63 | struct usb_bus self; /* hcd is-a bus */ | |
64 | ||
65 | const char *product_desc; /* product/vendor string */ | |
66 | char irq_descr[24]; /* driver + bus # */ | |
67 | ||
d5926ae7 AS |
68 | struct timer_list rh_timer; /* drives root-hub polling */ |
69 | struct urb *status_urb; /* the current status urb */ | |
1da177e4 LT |
70 | |
71 | /* | |
72 | * hardware info/state | |
73 | */ | |
74 | const struct hc_driver *driver; /* hw-specific hooks */ | |
75 | unsigned saw_irq : 1; | |
76 | unsigned can_wakeup:1; /* hw supports wakeup? */ | |
77 | unsigned remote_wakeup:1;/* sw should use wakeup? */ | |
78 | unsigned rh_registered:1;/* is root hub registered? */ | |
79 | ||
d5926ae7 AS |
80 | /* The next flag is a stopgap, to be removed when all the HCDs |
81 | * support the new root-hub polling mechanism. */ | |
82 | unsigned uses_new_polling:1; | |
83 | unsigned poll_rh:1; /* poll for rh status? */ | |
84 | unsigned poll_pending:1; /* status has changed? */ | |
85 | ||
1da177e4 LT |
86 | int irq; /* irq allocated */ |
87 | void __iomem *regs; /* device memory/io */ | |
88 | u64 rsrc_start; /* memory/io resource start */ | |
89 | u64 rsrc_len; /* memory/io resource length */ | |
7d35b929 | 90 | unsigned power_budget; /* in mA, 0 = no limit */ |
1da177e4 LT |
91 | |
92 | #define HCD_BUFFER_POOLS 4 | |
93 | struct dma_pool *pool [HCD_BUFFER_POOLS]; | |
94 | ||
95 | int state; | |
96 | # define __ACTIVE 0x01 | |
97 | # define __SUSPEND 0x04 | |
98 | # define __TRANSIENT 0x80 | |
99 | ||
100 | # define HC_STATE_HALT 0 | |
101 | # define HC_STATE_RUNNING (__ACTIVE) | |
102 | # define HC_STATE_QUIESCING (__SUSPEND|__TRANSIENT|__ACTIVE) | |
103 | # define HC_STATE_RESUMING (__SUSPEND|__TRANSIENT) | |
104 | # define HC_STATE_SUSPENDED (__SUSPEND) | |
105 | ||
106 | #define HC_IS_RUNNING(state) ((state) & __ACTIVE) | |
107 | #define HC_IS_SUSPENDED(state) ((state) & __SUSPEND) | |
108 | ||
109 | /* more shared queuing code would be good; it should support | |
110 | * smarter scheduling, handle transaction translators, etc; | |
111 | * input size of periodic table to an interrupt scheduler. | |
112 | * (ohci 32, uhci 1024, ehci 256/512/1024). | |
113 | */ | |
114 | ||
115 | /* The HC driver's private data is stored at the end of | |
116 | * this structure. | |
117 | */ | |
118 | unsigned long hcd_priv[0] | |
119 | __attribute__ ((aligned (sizeof(unsigned long)))); | |
120 | }; | |
121 | ||
122 | /* 2.4 does this a bit differently ... */ | |
123 | static inline struct usb_bus *hcd_to_bus (struct usb_hcd *hcd) | |
124 | { | |
125 | return &hcd->self; | |
126 | } | |
127 | ||
128 | ||
129 | // urb.hcpriv is really hardware-specific | |
130 | ||
131 | struct hcd_timeout { /* timeouts we allocate */ | |
132 | struct list_head timeout_list; | |
133 | struct timer_list timer; | |
134 | }; | |
135 | ||
136 | /*-------------------------------------------------------------------------*/ | |
137 | ||
138 | /* | |
139 | * FIXME usb_operations should vanish or become hc_driver, | |
140 | * when usb_bus and usb_hcd become the same thing. | |
141 | */ | |
142 | ||
143 | struct usb_operations { | |
144 | int (*get_frame_number) (struct usb_device *usb_dev); | |
55016f10 | 145 | int (*submit_urb) (struct urb *urb, gfp_t mem_flags); |
1da177e4 LT |
146 | int (*unlink_urb) (struct urb *urb, int status); |
147 | ||
148 | /* allocate dma-consistent buffer for URB_DMA_NOMAPPING */ | |
149 | void *(*buffer_alloc)(struct usb_bus *bus, size_t size, | |
55016f10 | 150 | gfp_t mem_flags, |
1da177e4 LT |
151 | dma_addr_t *dma); |
152 | void (*buffer_free)(struct usb_bus *bus, size_t size, | |
153 | void *addr, dma_addr_t dma); | |
154 | ||
155 | void (*disable)(struct usb_device *udev, | |
156 | struct usb_host_endpoint *ep); | |
157 | ||
158 | /* global suspend/resume of bus */ | |
159 | int (*hub_suspend)(struct usb_bus *); | |
160 | int (*hub_resume)(struct usb_bus *); | |
161 | }; | |
162 | ||
163 | /* each driver provides one of these, and hardware init support */ | |
164 | ||
165 | struct pt_regs; | |
166 | ||
167 | struct hc_driver { | |
168 | const char *description; /* "ehci-hcd" etc */ | |
169 | const char *product_desc; /* product/vendor string */ | |
170 | size_t hcd_priv_size; /* size of private data */ | |
171 | ||
172 | /* irq handler */ | |
173 | irqreturn_t (*irq) (struct usb_hcd *hcd, struct pt_regs *regs); | |
174 | ||
175 | int flags; | |
176 | #define HCD_MEMORY 0x0001 /* HC regs use memory (else I/O) */ | |
177 | #define HCD_USB11 0x0010 /* USB 1.1 */ | |
178 | #define HCD_USB2 0x0020 /* USB 2.0 */ | |
179 | ||
180 | /* called to init HCD and root hub */ | |
181 | int (*reset) (struct usb_hcd *hcd); | |
182 | int (*start) (struct usb_hcd *hcd); | |
183 | ||
184 | /* NOTE: these suspend/resume calls relate to the HC as | |
185 | * a whole, not just the root hub; they're for bus glue. | |
186 | */ | |
187 | /* called after all devices were suspended */ | |
9a5d3e98 | 188 | int (*suspend) (struct usb_hcd *hcd, pm_message_t message); |
1da177e4 LT |
189 | |
190 | /* called before any devices get resumed */ | |
191 | int (*resume) (struct usb_hcd *hcd); | |
192 | ||
193 | /* cleanly make HCD stop writing memory and doing I/O */ | |
194 | void (*stop) (struct usb_hcd *hcd); | |
195 | ||
196 | /* return current frame number */ | |
197 | int (*get_frame_number) (struct usb_hcd *hcd); | |
198 | ||
199 | /* manage i/o requests, device state */ | |
200 | int (*urb_enqueue) (struct usb_hcd *hcd, | |
201 | struct usb_host_endpoint *ep, | |
202 | struct urb *urb, | |
55016f10 | 203 | gfp_t mem_flags); |
1da177e4 LT |
204 | int (*urb_dequeue) (struct usb_hcd *hcd, struct urb *urb); |
205 | ||
206 | /* hw synch, freeing endpoint resources that urb_dequeue can't */ | |
207 | void (*endpoint_disable)(struct usb_hcd *hcd, | |
208 | struct usb_host_endpoint *ep); | |
209 | ||
210 | /* root hub support */ | |
211 | int (*hub_status_data) (struct usb_hcd *hcd, char *buf); | |
212 | int (*hub_control) (struct usb_hcd *hcd, | |
213 | u16 typeReq, u16 wValue, u16 wIndex, | |
214 | char *buf, u16 wLength); | |
215 | int (*hub_suspend)(struct usb_hcd *); | |
216 | int (*hub_resume)(struct usb_hcd *); | |
217 | int (*start_port_reset)(struct usb_hcd *, unsigned port_num); | |
d5926ae7 AS |
218 | void (*hub_irq_enable)(struct usb_hcd *); |
219 | /* Needed only if port-change IRQs are level-triggered */ | |
1da177e4 LT |
220 | }; |
221 | ||
222 | extern void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb, struct pt_regs *regs); | |
223 | ||
224 | extern struct usb_hcd *usb_create_hcd (const struct hc_driver *driver, | |
225 | struct device *dev, char *bus_name); | |
226 | extern void usb_put_hcd (struct usb_hcd *hcd); | |
227 | extern int usb_add_hcd(struct usb_hcd *hcd, | |
228 | unsigned int irqnum, unsigned long irqflags); | |
229 | extern void usb_remove_hcd(struct usb_hcd *hcd); | |
230 | ||
231 | #ifdef CONFIG_PCI | |
232 | struct pci_dev; | |
233 | struct pci_device_id; | |
234 | extern int usb_hcd_pci_probe (struct pci_dev *dev, | |
235 | const struct pci_device_id *id); | |
236 | extern void usb_hcd_pci_remove (struct pci_dev *dev); | |
237 | ||
238 | #ifdef CONFIG_PM | |
9a5d3e98 | 239 | extern int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t state); |
1da177e4 LT |
240 | extern int usb_hcd_pci_resume (struct pci_dev *dev); |
241 | #endif /* CONFIG_PM */ | |
242 | ||
243 | #endif /* CONFIG_PCI */ | |
244 | ||
245 | /* pci-ish (pdev null is ok) buffer alloc/mapping support */ | |
246 | int hcd_buffer_create (struct usb_hcd *hcd); | |
247 | void hcd_buffer_destroy (struct usb_hcd *hcd); | |
248 | ||
249 | void *hcd_buffer_alloc (struct usb_bus *bus, size_t size, | |
55016f10 | 250 | gfp_t mem_flags, dma_addr_t *dma); |
1da177e4 LT |
251 | void hcd_buffer_free (struct usb_bus *bus, size_t size, |
252 | void *addr, dma_addr_t dma); | |
253 | ||
254 | /* generic bus glue, needed for host controllers that don't use PCI */ | |
255 | extern irqreturn_t usb_hcd_irq (int irq, void *__hcd, struct pt_regs *r); | |
d5926ae7 | 256 | |
1da177e4 | 257 | extern void usb_hc_died (struct usb_hcd *hcd); |
d5926ae7 | 258 | extern void usb_hcd_poll_rh_status(struct usb_hcd *hcd); |
1da177e4 LT |
259 | |
260 | /* -------------------------------------------------------------------------- */ | |
261 | ||
262 | /* Enumeration is only for the hub driver, or HCD virtual root hubs */ | |
263 | extern struct usb_device *usb_alloc_dev(struct usb_device *parent, | |
264 | struct usb_bus *, unsigned port); | |
265 | extern int usb_new_device(struct usb_device *dev); | |
266 | extern void usb_disconnect(struct usb_device **); | |
267 | ||
268 | extern int usb_get_configuration(struct usb_device *dev); | |
269 | extern void usb_destroy_configuration(struct usb_device *dev); | |
270 | ||
271 | /*-------------------------------------------------------------------------*/ | |
272 | ||
273 | /* | |
274 | * HCD Root Hub support | |
275 | */ | |
276 | ||
277 | #include "hub.h" | |
278 | ||
279 | /* (shifted) direction/type/recipient from the USB 2.0 spec, table 9.2 */ | |
280 | #define DeviceRequest \ | |
281 | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) | |
282 | #define DeviceOutRequest \ | |
283 | ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) | |
284 | ||
285 | #define InterfaceRequest \ | |
286 | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
287 | ||
288 | #define EndpointRequest \ | |
289 | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
290 | #define EndpointOutRequest \ | |
291 | ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
292 | ||
293 | /* class requests from the USB 2.0 hub spec, table 11-15 */ | |
294 | /* GetBusState and SetHubDescriptor are optional, omitted */ | |
295 | #define ClearHubFeature (0x2000 | USB_REQ_CLEAR_FEATURE) | |
296 | #define ClearPortFeature (0x2300 | USB_REQ_CLEAR_FEATURE) | |
297 | #define GetHubDescriptor (0xa000 | USB_REQ_GET_DESCRIPTOR) | |
298 | #define GetHubStatus (0xa000 | USB_REQ_GET_STATUS) | |
299 | #define GetPortStatus (0xa300 | USB_REQ_GET_STATUS) | |
300 | #define SetHubFeature (0x2000 | USB_REQ_SET_FEATURE) | |
301 | #define SetPortFeature (0x2300 | USB_REQ_SET_FEATURE) | |
302 | ||
303 | ||
304 | /*-------------------------------------------------------------------------*/ | |
305 | ||
306 | /* | |
307 | * Generic bandwidth allocation constants/support | |
308 | */ | |
309 | #define FRAME_TIME_USECS 1000L | |
310 | #define BitTime(bytecount) (7 * 8 * bytecount / 6) /* with integer truncation */ | |
311 | /* Trying not to use worst-case bit-stuffing | |
312 | of (7/6 * 8 * bytecount) = 9.33 * bytecount */ | |
313 | /* bytecount = data payload byte count */ | |
314 | ||
315 | #define NS_TO_US(ns) ((ns + 500L) / 1000L) | |
316 | /* convert & round nanoseconds to microseconds */ | |
317 | ||
318 | extern void usb_claim_bandwidth (struct usb_device *dev, struct urb *urb, | |
319 | int bustime, int isoc); | |
320 | extern void usb_release_bandwidth (struct usb_device *dev, struct urb *urb, | |
321 | int isoc); | |
322 | ||
323 | /* | |
324 | * Full/low speed bandwidth allocation constants/support. | |
325 | */ | |
326 | #define BW_HOST_DELAY 1000L /* nanoseconds */ | |
327 | #define BW_HUB_LS_SETUP 333L /* nanoseconds */ | |
328 | /* 4 full-speed bit times (est.) */ | |
329 | ||
330 | #define FRAME_TIME_BITS 12000L /* frame = 1 millisecond */ | |
331 | #define FRAME_TIME_MAX_BITS_ALLOC (90L * FRAME_TIME_BITS / 100L) | |
332 | #define FRAME_TIME_MAX_USECS_ALLOC (90L * FRAME_TIME_USECS / 100L) | |
333 | ||
334 | extern int usb_check_bandwidth (struct usb_device *dev, struct urb *urb); | |
335 | ||
336 | /* | |
498f78e6 | 337 | * Ceiling [nano/micro]seconds (typical) for that many bytes at high speed |
1da177e4 LT |
338 | * ISO is a bit less, no ACK ... from USB 2.0 spec, 5.11.3 (and needed |
339 | * to preallocate bandwidth) | |
340 | */ | |
341 | #define USB2_HOST_DELAY 5 /* nsec, guess */ | |
f956e7cd DB |
342 | #define HS_NSECS(bytes) ( ((55 * 8 * 2083) \ |
343 | + (2083UL * (3 + BitTime(bytes))))/1000 \ | |
1da177e4 | 344 | + USB2_HOST_DELAY) |
f956e7cd DB |
345 | #define HS_NSECS_ISO(bytes) ( ((38 * 8 * 2083) \ |
346 | + (2083UL * (3 + BitTime(bytes))))/1000 \ | |
1da177e4 | 347 | + USB2_HOST_DELAY) |
498f78e6 DS |
348 | #define HS_USECS(bytes) NS_TO_US (HS_NSECS(bytes)) |
349 | #define HS_USECS_ISO(bytes) NS_TO_US (HS_NSECS_ISO(bytes)) | |
1da177e4 LT |
350 | |
351 | extern long usb_calc_bus_time (int speed, int is_input, | |
352 | int isoc, int bytecount); | |
353 | ||
354 | /*-------------------------------------------------------------------------*/ | |
355 | ||
356 | extern struct usb_bus *usb_alloc_bus (struct usb_operations *); | |
357 | ||
979d5199 | 358 | extern void usb_hcd_suspend_root_hub (struct usb_hcd *hcd); |
1da177e4 LT |
359 | extern void usb_hcd_resume_root_hub (struct usb_hcd *hcd); |
360 | ||
361 | extern void usb_set_device_state(struct usb_device *udev, | |
362 | enum usb_device_state new_state); | |
363 | ||
364 | /*-------------------------------------------------------------------------*/ | |
365 | ||
366 | /* exported only within usbcore */ | |
367 | ||
368 | extern struct list_head usb_bus_list; | |
369 | extern struct semaphore usb_bus_list_lock; | |
370 | extern wait_queue_head_t usb_kill_urb_queue; | |
371 | ||
372 | extern struct usb_bus *usb_bus_get (struct usb_bus *bus); | |
373 | extern void usb_bus_put (struct usb_bus *bus); | |
374 | ||
d5926ae7 AS |
375 | extern void usb_enable_root_hub_irq (struct usb_bus *bus); |
376 | ||
1da177e4 LT |
377 | extern int usb_find_interface_driver (struct usb_device *dev, |
378 | struct usb_interface *interface); | |
379 | ||
380 | #define usb_endpoint_out(ep_dir) (!((ep_dir) & USB_DIR_IN)) | |
381 | ||
382 | /* | |
383 | * USB device fs stuff | |
384 | */ | |
385 | ||
386 | #ifdef CONFIG_USB_DEVICEFS | |
387 | ||
388 | /* | |
389 | * these are expected to be called from the USB core/hub thread | |
390 | * with the kernel lock held | |
391 | */ | |
392 | extern void usbfs_add_bus(struct usb_bus *bus); | |
393 | extern void usbfs_remove_bus(struct usb_bus *bus); | |
394 | extern void usbfs_add_device(struct usb_device *dev); | |
395 | extern void usbfs_remove_device(struct usb_device *dev); | |
396 | extern void usbfs_update_special (void); | |
397 | ||
398 | extern int usbfs_init(void); | |
399 | extern void usbfs_cleanup(void); | |
400 | ||
401 | #else /* CONFIG_USB_DEVICEFS */ | |
402 | ||
403 | static inline void usbfs_add_bus(struct usb_bus *bus) {} | |
404 | static inline void usbfs_remove_bus(struct usb_bus *bus) {} | |
405 | static inline void usbfs_add_device(struct usb_device *dev) {} | |
406 | static inline void usbfs_remove_device(struct usb_device *dev) {} | |
407 | static inline void usbfs_update_special (void) {} | |
408 | ||
409 | static inline int usbfs_init(void) { return 0; } | |
410 | static inline void usbfs_cleanup(void) { } | |
411 | ||
412 | #endif /* CONFIG_USB_DEVICEFS */ | |
413 | ||
414 | /*-------------------------------------------------------------------------*/ | |
415 | ||
4749f32d | 416 | #if defined(CONFIG_USB_MON) |
1da177e4 LT |
417 | |
418 | struct usb_mon_operations { | |
419 | void (*urb_submit)(struct usb_bus *bus, struct urb *urb); | |
420 | void (*urb_submit_error)(struct usb_bus *bus, struct urb *urb, int err); | |
421 | void (*urb_complete)(struct usb_bus *bus, struct urb *urb); | |
422 | /* void (*urb_unlink)(struct usb_bus *bus, struct urb *urb); */ | |
423 | void (*bus_add)(struct usb_bus *bus); | |
424 | void (*bus_remove)(struct usb_bus *bus); | |
425 | }; | |
426 | ||
427 | extern struct usb_mon_operations *mon_ops; | |
428 | ||
429 | static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) | |
430 | { | |
431 | if (bus->monitored) | |
432 | (*mon_ops->urb_submit)(bus, urb); | |
433 | } | |
434 | ||
435 | static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb, | |
436 | int error) | |
437 | { | |
438 | if (bus->monitored) | |
439 | (*mon_ops->urb_submit_error)(bus, urb, error); | |
440 | } | |
441 | ||
442 | static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) | |
443 | { | |
444 | if (bus->monitored) | |
445 | (*mon_ops->urb_complete)(bus, urb); | |
446 | } | |
447 | ||
448 | static inline void usbmon_notify_bus_add(struct usb_bus *bus) | |
449 | { | |
450 | if (mon_ops) | |
451 | (*mon_ops->bus_add)(bus); | |
452 | } | |
453 | ||
454 | static inline void usbmon_notify_bus_remove(struct usb_bus *bus) | |
455 | { | |
456 | if (mon_ops) | |
457 | (*mon_ops->bus_remove)(bus); | |
458 | } | |
459 | ||
460 | int usb_mon_register(struct usb_mon_operations *ops); | |
461 | void usb_mon_deregister(void); | |
462 | ||
463 | #else | |
464 | ||
465 | static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) {} | |
466 | static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb, | |
467 | int error) {} | |
468 | static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) {} | |
469 | static inline void usbmon_notify_bus_add(struct usb_bus *bus) {} | |
470 | static inline void usbmon_notify_bus_remove(struct usb_bus *bus) {} | |
471 | ||
472 | #endif /* CONFIG_USB_MON */ | |
473 | ||
474 | /*-------------------------------------------------------------------------*/ | |
475 | ||
476 | /* hub.h ... DeviceRemovable in 2.4.2-ac11, gone in 2.4.10 */ | |
477 | // bleech -- resurfaced in 2.4.11 or 2.4.12 | |
478 | #define bitmap DeviceRemovable | |
479 | ||
480 | ||
481 | /*-------------------------------------------------------------------------*/ | |
482 | ||
483 | /* random stuff */ | |
484 | ||
485 | #define RUN_CONTEXT (in_irq () ? "in_irq" \ | |
486 | : (in_interrupt () ? "in_interrupt" : "can sleep")) | |
487 | ||
488 | ||
489 | #endif /* __KERNEL__ */ | |
490 |