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hc
2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b 
 kernel/include/linux/irqdomain.h
....@@ -44,6 +44,7 @@
4444 struct irq_data;
4545 struct cpumask;
4646 struct seq_file;
47
+struct irq_affinity_desc;
4748 
4849 /* Number of irqs reserved for a legacy isa controller */
4950 #define NUM_ISA_INTERRUPTS	16
....@@ -76,12 +77,15 @@
7677 enum irq_domain_bus_token {
7778 	DOMAIN_BUS_ANY		= 0,
7879 	DOMAIN_BUS_WIRED,
80
+	DOMAIN_BUS_GENERIC_MSI,
7981 	DOMAIN_BUS_PCI_MSI,
8082 	DOMAIN_BUS_PLATFORM_MSI,
8183 	DOMAIN_BUS_NEXUS,
8284 	DOMAIN_BUS_IPI,
8385 	DOMAIN_BUS_FSL_MC_MSI,
86
+	DOMAIN_BUS_TI_SCI_INTA_MSI,
8487 	DOMAIN_BUS_WAKEUP,
88
+	DOMAIN_BUS_VMD_MSI,
8589 };
8690 
8791 /**
....@@ -231,7 +235,7 @@
231235 
232236 #ifdef CONFIG_IRQ_DOMAIN
233237 struct fwnode_handle *__irq_domain_alloc_fwnode(unsigned int type, int id,
234
-						const char *name, void *data);
238
+						const char *name, phys_addr_t *pa);
235239 
236240 enum {
237241 	IRQCHIP_FWNODE_REAL,
....@@ -252,13 +256,17 @@
252256 					 NULL);
253257 }
254258 
255
-static inline struct fwnode_handle *irq_domain_alloc_fwnode(void *data)
259
+static inline struct fwnode_handle *irq_domain_alloc_fwnode(phys_addr_t *pa)
256260 {
257
-	return __irq_domain_alloc_fwnode(IRQCHIP_FWNODE_REAL, 0, NULL, data);
261
+	return __irq_domain_alloc_fwnode(IRQCHIP_FWNODE_REAL, 0, NULL, pa);
258262 }
259263 
260264 void irq_domain_free_fwnode(struct fwnode_handle *fwnode);
265
+#ifdef __GENKSYMS__	/* Android KABI hack to preserve CRC checker */
261266 struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
267
+#else
268
+struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, unsigned int size,
269
+#endif
262270 				    irq_hw_number_t hwirq_max, int direct_max,
263271 				    const struct irq_domain_ops *ops,
264272 				    void *host_data);
....@@ -277,9 +285,10 @@
277285 						   enum irq_domain_bus_token bus_token);
278286 extern bool irq_domain_check_msi_remap(void);
279287 extern void irq_set_default_host(struct irq_domain *host);
288
+extern struct irq_domain *irq_get_default_host(void);
280289 extern int irq_domain_alloc_descs(int virq, unsigned int nr_irqs,
281290 				  irq_hw_number_t hwirq, int node,
282
-				  const struct cpumask *affinity);
291
+				  const struct irq_affinity_desc *affinity);
283292 
284293 static inline struct fwnode_handle *of_node_to_fwnode(struct device_node *node)
285294 {
....@@ -385,10 +394,18 @@
385394 extern void irq_domain_disassociate(struct irq_domain *domain,
386395 				    unsigned int irq);
387396 
388
-extern unsigned int irq_create_mapping(struct irq_domain *host,
389
-				       irq_hw_number_t hwirq);
397
+extern unsigned int irq_create_mapping_affinity(struct irq_domain *host,
398
+				      irq_hw_number_t hwirq,
399
+				      const struct irq_affinity_desc *affinity);
390400 extern unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec);
391401 extern void irq_dispose_mapping(unsigned int virq);
402
+
403
+static inline unsigned int irq_create_mapping(struct irq_domain *host,
404
+					      irq_hw_number_t hwirq)
405
+{
406
+	return irq_create_mapping_affinity(host, hwirq, NULL);
407
+}
408
+
392409 
393410 /**
394411  * irq_linear_revmap() - Find a linux irq from a hw irq number.
....@@ -431,6 +448,16 @@
431448 			const u32 *intspec, unsigned int intsize,
432449 			irq_hw_number_t *out_hwirq, unsigned int *out_type);
433450 
451
+int irq_domain_translate_twocell(struct irq_domain *d,
452
+				 struct irq_fwspec *fwspec,
453
+				 unsigned long *out_hwirq,
454
+				 unsigned int *out_type);
455
+
456
+int irq_domain_translate_onecell(struct irq_domain *d,
457
+				 struct irq_fwspec *fwspec,
458
+				 unsigned long *out_hwirq,
459
+				 unsigned int *out_type);
460
+
434461 /* IPI functions */
435462 int irq_reserve_ipi(struct irq_domain *domain, const struct cpumask *dest);
436463 int irq_destroy_ipi(unsigned int irq, const struct cpumask *dest);
....@@ -442,6 +469,7 @@
442469 				irq_hw_number_t hwirq, struct irq_chip *chip,
443470 				void *chip_data, irq_flow_handler_t handler,
444471 				void *handler_data, const char *handler_name);
472
+extern void irq_domain_reset_irq_data(struct irq_data *irq_data);
445473 #ifdef	CONFIG_IRQ_DOMAIN_HIERARCHY
446474 extern struct irq_domain *irq_domain_create_hierarchy(struct irq_domain *parent,
447475 			unsigned int flags, unsigned int size,
....@@ -462,7 +490,8 @@
462490 
463491 extern int __irq_domain_alloc_irqs(struct irq_domain *domain, int irq_base,
464492 				   unsigned int nr_irqs, int node, void *arg,
465
-				   bool realloc, const struct cpumask *affinity);
493
+				   bool realloc,
494
+				   const struct irq_affinity_desc *affinity);
466495 extern void irq_domain_free_irqs(unsigned int virq, unsigned int nr_irqs);
467496 extern int irq_domain_activate_irq(struct irq_data *irq_data, bool early);
468497 extern void irq_domain_deactivate_irq(struct irq_data *irq_data);
....@@ -482,7 +511,6 @@
482511 					 irq_hw_number_t hwirq,
483512 					 struct irq_chip *chip,
484513 					 void *chip_data);
485
-extern void irq_domain_reset_irq_data(struct irq_data *irq_data);
486514 extern void irq_domain_free_irqs_common(struct irq_domain *domain,
487515 					unsigned int virq,
488516 					unsigned int nr_irqs);
....@@ -500,6 +528,9 @@
500528 					unsigned int irq_base,
501529 					unsigned int nr_irqs);
502530 
531
+extern int irq_domain_disconnect_hierarchy(struct irq_domain *domain,
532
+					   unsigned int virq);
533
+
503534 static inline bool irq_domain_is_hierarchy(struct irq_domain *domain)
504535 {
505536 	return domain->flags & IRQ_DOMAIN_FLAG_HIERARCHY;