diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/irq.h | 62 |
1 files changed, 58 insertions, 4 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index e7e7ac83edd8..bea40556c5a6 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h | |||
@@ -85,6 +85,7 @@ typedef void (*irq_flow_handler_t)(unsigned int irq, | |||
85 | #endif | 85 | #endif |
86 | 86 | ||
87 | struct msi_desc; | 87 | struct msi_desc; |
88 | struct irq_2_iommu; | ||
88 | 89 | ||
89 | /** | 90 | /** |
90 | * struct irq_data - per irq and irq chip data passed down to chip functions | 91 | * struct irq_data - per irq and irq chip data passed down to chip functions |
@@ -332,11 +333,64 @@ extern int set_irq_data(unsigned int irq, void *data); | |||
332 | extern int set_irq_chip_data(unsigned int irq, void *data); | 333 | extern int set_irq_chip_data(unsigned int irq, void *data); |
333 | extern int set_irq_type(unsigned int irq, unsigned int type); | 334 | extern int set_irq_type(unsigned int irq, unsigned int type); |
334 | extern int set_irq_msi(unsigned int irq, struct msi_desc *entry); | 335 | extern int set_irq_msi(unsigned int irq, struct msi_desc *entry); |
336 | extern struct irq_data *irq_get_irq_data(unsigned int irq); | ||
335 | 337 | ||
336 | #define get_irq_chip(irq) (irq_to_desc(irq)->irq_data.chip) | 338 | static inline struct irq_chip *get_irq_chip(unsigned int irq) |
337 | #define get_irq_chip_data(irq) (irq_to_desc(irq)->irq_data.chip_data) | 339 | { |
338 | #define get_irq_data(irq) (irq_to_desc(irq)->irq_data.handler_data) | 340 | struct irq_data *d = irq_get_irq_data(irq); |
339 | #define get_irq_msi(irq) (irq_to_desc(irq)->irq_data.msi_desc) | 341 | return d ? d->chip : NULL; |
342 | } | ||
343 | |||
344 | static inline struct irq_chip *irq_data_get_irq_chip(struct irq_data *d) | ||
345 | { | ||
346 | return d->chip; | ||
347 | } | ||
348 | |||
349 | static inline void *get_irq_chip_data(unsigned int irq) | ||
350 | { | ||
351 | struct irq_data *d = irq_get_irq_data(irq); | ||
352 | return d ? d->chip_data : NULL; | ||
353 | } | ||
354 | |||
355 | static inline void *irq_data_get_irq_chip_data(struct irq_data *d) | ||
356 | { | ||
357 | return d->chip_data; | ||
358 | } | ||
359 | |||
360 | static inline void *get_irq_data(unsigned int irq) | ||
361 | { | ||
362 | struct irq_data *d = irq_get_irq_data(irq); | ||
363 | return d ? d->handler_data : NULL; | ||
364 | } | ||
365 | |||
366 | static inline void *irq_data_get_irq_data(struct irq_data *d) | ||
367 | { | ||
368 | return d->handler_data; | ||
369 | } | ||
370 | |||
371 | static inline struct msi_desc *get_irq_msi(unsigned int irq) | ||
372 | { | ||
373 | struct irq_data *d = irq_get_irq_data(irq); | ||
374 | return d ? d->msi_desc : NULL; | ||
375 | } | ||
376 | |||
377 | static inline struct msi_desc *irq_data_get_msi(struct irq_data *d) | ||
378 | { | ||
379 | return d->msi_desc; | ||
380 | } | ||
381 | |||
382 | #ifdef CONFIG_INTR_REMAP | ||
383 | static inline struct irq_2_iommu *get_irq_iommu(unsigned int irq) | ||
384 | { | ||
385 | struct irq_data *d = irq_get_irq_data(irq); | ||
386 | return d ? d->irq_2_iommu : NULL; | ||
387 | } | ||
388 | |||
389 | static inline struct irq_2_iommu *irq_data_get_iommu(struct irq_data *d) | ||
390 | { | ||
391 | return d->irq_2_iommu; | ||
392 | } | ||
393 | #endif | ||
340 | 394 | ||
341 | #endif /* CONFIG_GENERIC_HARDIRQS */ | 395 | #endif /* CONFIG_GENERIC_HARDIRQS */ |
342 | 396 | ||