Re: [PATCH v4 1/2] kexec: Consolidate machine_kexec_mask_interrupts() implementation

kernel test robot
2024-11-29T15:32:22Z

Hi Eliav,

kernel test robot noticed the following build errors:

[auto build test ERROR on powerpc/next]
[also build test ERROR on powerpc/fixes tip/irq/core arm64/for-next/core linus/master v6.12 next-20241128]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Eliav-Farber/kexec-Consolidate-machine_kexec_mask_interrupts-implementation/20241129-193342
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link: https://lore.kernel.org/r/20241129113119.26669-2-farbere%40amazon.com
patch subject: [PATCH v4 1/2] kexec: Consolidate machine_kexec_mask_interrupts() implementation
config: i386-buildonly-randconfig-003-20241129 (https://download.01.org/0day-ci/archive/20241129/202411292359.4rjP3LuE-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241129/202411292359.4rjP3LuE-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411292359.4rjP3LuE-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

In file included from kernel/kexec_core.c:43:
>> include/linux/irqdesc.h:68:33: error: field 'irq_common_data' has incomplete type
68 | struct irq_common_data irq_common_data;
| ^~~~~~~~~~~~~~~
>> include/linux/irqdesc.h:69:33: error: field 'irq_data' has incomplete type
69 | struct irq_data irq_data;
| ^~~~~~~~
>> include/linux/irqdesc.h:71:9: error: unknown type name 'irq_flow_handler_t'
71 | irq_flow_handler_t handle_irq;
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/list.h:5,
from include/linux/smp.h:12,
from include/linux/lockdep.h:14,
from include/linux/spinlock.h:63,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:7,
from include/linux/mm.h:7,
from include/linux/bpfptr.h:6,
from include/linux/btf.h:8,
from kernel/kexec_core.c:9:
include/linux/irqdesc.h: In function 'irq_data_to_desc':
>> include/linux/irqdesc.h:139:33: error: invalid use of undefined type 'struct irq_data'
139 | return container_of(data->common, struct irq_desc, irq_common_data);
| ^~
include/linux/container_of.h:19:33: note: in definition of macro 'container_of'
19 | void *__mptr = (void *)(ptr); \
| ^~~
In file included from include/linux/init.h:5,
from include/linux/printk.h:6,
from include/asm-generic/bug.h:22,
from arch/x86/include/asm/bug.h:99,
from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/mm.h:6:
>> include/linux/irqdesc.h:139:33: error: invalid use of undefined type 'struct irq_data'
139 | return container_of(data->common, struct irq_desc, irq_common_data);
| ^~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/irqdesc.h:139:16: note: in expansion of macro 'container_of'
139 | return container_of(data->common, struct irq_desc, irq_common_data);
| ^~~~~~~~~~~~
>> include/linux/irqdesc.h:139:33: error: invalid use of undefined type 'struct irq_data'
139 | return container_of(data->common, struct irq_desc, irq_common_data);
| ^~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:21:23: note: in expansion of macro '__same_type'
21 | __same_type(*(ptr), void), \
| ^~~~~~~~~~~
include/linux/irqdesc.h:139:16: note: in expansion of macro 'container_of'
139 | return container_of(data->common, struct irq_desc, irq_common_data);
| ^~~~~~~~~~~~
include/linux/compiler_types.h:464:27: error: expression in static assertion is not an integer
464 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/irqdesc.h:139:16: note: in expansion of macro 'container_of'
139 | return container_of(data->common, struct irq_desc, irq_common_data);
| ^~~~~~~~~~~~
include/linux/irqdesc.h: In function 'generic_handle_irq_desc':
>> include/linux/irqdesc.h:173:9: error: called object is not a function or function pointer
173 | desc->handle_irq(desc);
| ^~~~
include/linux/irqdesc.h: At top level:
include/linux/irqdesc.h:208:43: error: unknown type name 'irq_flow_handler_t'; did you mean 'irq_handler_t'?
208 | irq_flow_handler_t handler)
| ^~~~~~~~~~~~~~~~~~
| irq_handler_t
include/linux/irqdesc.h:230:34: error: unknown type name 'irq_flow_handler_t'; did you mean 'irq_handler_t'?
230 | irq_flow_handler_t handler, const char *name)
| ^~~~~~~~~~~~~~~~~~
| irq_handler_t
include/linux/irqdesc.h: In function 'irq_balancing_disabled':
>> include/linux/irqdesc.h:243:42: error: 'IRQ_NO_BALANCING_MASK' undeclared (first use in this function); did you mean 'IRQF_NOBALANCING'?
243 | return irq_check_status_bit(irq, IRQ_NO_BALANCING_MASK);
| ^~~~~~~~~~~~~~~~~~~~~
| IRQF_NOBALANCING
include/linux/irqdesc.h:243:42: note: each undeclared identifier is reported only once for each function it appears in
include/linux/irqdesc.h: In function 'irq_is_percpu':
>> include/linux/irqdesc.h:248:42: error: 'IRQ_PER_CPU' undeclared (first use in this function); did you mean 'IRQF_PERCPU'?
248 | return irq_check_status_bit(irq, IRQ_PER_CPU);
| ^~~~~~~~~~~
| IRQF_PERCPU
include/linux/irqdesc.h: In function 'irq_is_percpu_devid':
>> include/linux/irqdesc.h:253:42: error: 'IRQ_PER_CPU_DEVID' undeclared (first use in this function)
253 | return irq_check_status_bit(irq, IRQ_PER_CPU_DEVID);
| ^~~~~~~~~~~~~~~~~
kernel/kexec_core.c: In function 'machine_kexec_mask_interrupts':
kernel/kexec_core.c:1098:38: error: invalid use of undefined type 'struct irq_chip'
1098 | if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
| ^~
kernel/kexec_core.c:1098:51: error: implicit declaration of function 'irqd_irq_inprogress' [-Werror=implicit-function-declaration]
1098 | if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
| ^~~~~~~~~~~~~~~~~~~
kernel/kexec_core.c:1099:29: error: invalid use of undefined type 'struct irq_chip'
1099 | chip->irq_eoi(&desc->irq_data);
| ^~
kernel/kexec_core.c:1101:25: error: invalid use of undefined type 'struct irq_chip'
1101 | if (chip->irq_mask)
| ^~
kernel/kexec_core.c:1102:29: error: invalid use of undefined type 'struct irq_chip'
1102 | chip->irq_mask(&desc->irq_data);
| ^~
kernel/kexec_core.c:1104:25: error: invalid use of undefined type 'struct irq_chip'
1104 | if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
| ^~
kernel/kexec_core.c:1104:43: error: implicit declaration of function 'irqd_irq_disabled'; did you mean 'arch_irqs_disabled'? [-Werror=implicit-function-declaration]
1104 | if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
| ^~~~~~~~~~~~~~~~~
| arch_irqs_disabled
kernel/kexec_core.c:1105:29: error: invalid use of undefined type 'struct irq_chip'
1105 | chip->irq_disable(&desc->irq_data);
| ^~
include/linux/irqdesc.h: In function 'irq_desc_get_chip':
>> include/linux/irqdesc.h:155:1: warning: control reaches end of non-void function [-Wreturn-type]
155 | }
| ^
cc1: some warnings being treated as errors

vim +/irq_common_data +68 include/linux/irqdesc.h

86d2a2f51fbada Bitao Hu 2024-04-11 31
e144710b302525 Thomas Gleixner 2010-10-01 32 /**
e144710b302525 Thomas Gleixner 2010-10-01 33 * struct irq_desc - interrupt descriptor
0d0b4c866bcce6 Jiang Liu 2015-06-01 34 * @irq_common_data: per irq and chip data passed down to chip functions
e144710b302525 Thomas Gleixner 2010-10-01 35 * @kstat_irqs: irq stats per cpu
770767787c2304 Geert Uytterhoeven 2011-04-10 36 * @handle_irq: highlevel irq-events handler
e144710b302525 Thomas Gleixner 2010-10-01 37 * @action: the irq action chain
80ebc420ec59a7 Yunfeng Ye 2019-09-18 38 * @status_use_accessors: status information
dbec07bac614a6 Thomas Gleixner 2011-02-07 39 * @core_internal_state__do_not_mess_with_it: core internal status information
e144710b302525 Thomas Gleixner 2010-10-01 40 * @depth: disable-depth, for nested irq_disable() calls
0911f124bf5535 Geert Uytterhoeven 2011-04-10 41 * @wake_depth: enable depth, for multiple irq_set_irq_wake() callers
030fc443aef663 Waiman Long 2019-02-12 42 * @tot_count: stats field for non-percpu irqs
e144710b302525 Thomas Gleixner 2010-10-01 43 * @irq_count: stats field to detect stalled irqs
e144710b302525 Thomas Gleixner 2010-10-01 44 * @last_unhandled: aging timer for unhandled count
e144710b302525 Thomas Gleixner 2010-10-01 45 * @irqs_unhandled: stats field for spurious unhandled interrupts
1e77d0a1ed7417 Thomas Gleixner 2013-03-07 46 * @threads_handled: stats field for deferred spurious detection of threaded handlers
a359f757965aaf Ingo Molnar 2021-03-22 47 * @threads_handled_last: comparator field for deferred spurious detection of threaded handlers
e144710b302525 Thomas Gleixner 2010-10-01 48 * @lock: locking for SMP
770767787c2304 Geert Uytterhoeven 2011-04-10 49 * @affinity_hint: hint to user space for preferred irq affinity
cd7eab44e9946c Ben Hutchings 2011-01-19 50 * @affinity_notify: context for notification of affinity changes
e144710b302525 Thomas Gleixner 2010-10-01 51 * @pending_mask: pending rebalanced interrupts
b5faba21a6805c Thomas Gleixner 2011-02-23 52 * @threads_oneshot: bitfield to handle shared oneshot threads
e144710b302525 Thomas Gleixner 2010-10-01 53 * @threads_active: number of irqaction threads currently running
e144710b302525 Thomas Gleixner 2010-10-01 54 * @wait_for_threads: wait queue for sync_irq to wait for threaded handlers
cab303be91dc47 Thomas Gleixner 2014-08-28 55 * @nr_actions: number of installed actions on this descriptor
cab303be91dc47 Thomas Gleixner 2014-08-28 56 * @no_suspend_depth: number of irqactions on a irq descriptor with
cab303be91dc47 Thomas Gleixner 2014-08-28 57 * IRQF_NO_SUSPEND set
cab303be91dc47 Thomas Gleixner 2014-08-28 58 * @force_resume_depth: number of irqactions on a irq descriptor with
cab303be91dc47 Thomas Gleixner 2014-08-28 59 * IRQF_FORCE_RESUME set
425a5072dcd1bd Thomas Gleixner 2015-12-13 60 * @rcu: rcu head for delayed free
ecb3f394c5dba8 Craig Gallek 2016-09-13 61 * @kobj: kobject used to represent this struct in sysfs
9114014cf4e6df Thomas Gleixner 2017-06-29 62 * @request_mutex: mutex to protect request/free before locking desc->lock
e144710b302525 Thomas Gleixner 2010-10-01 63 * @dir: /proc/irq/ procfs entry
087cdfb662ae50 Thomas Gleixner 2017-06-20 64 * @debugfs_file: dentry for the debugfs file
e144710b302525 Thomas Gleixner 2010-10-01 65 * @name: flow handler name for /proc/interrupts output
e144710b302525 Thomas Gleixner 2010-10-01 66 */
e144710b302525 Thomas Gleixner 2010-10-01 67 struct irq_desc {
0d0b4c866bcce6 Jiang Liu 2015-06-01 @68 struct irq_common_data irq_common_data;
e144710b302525 Thomas Gleixner 2010-10-01 @69 struct irq_data irq_data;
86d2a2f51fbada Bitao Hu 2024-04-11 70 struct irqstat __percpu *kstat_irqs;
e144710b302525 Thomas Gleixner 2010-10-01 @71 irq_flow_handler_t handle_irq;
e144710b302525 Thomas Gleixner 2010-10-01 72 struct irqaction *action; /* IRQ action list */
a6967caf00ebbb Thomas Gleixner 2011-02-10 73 unsigned int status_use_accessors;
dbec07bac614a6 Thomas Gleixner 2011-02-07 74 unsigned int core_internal_state__do_not_mess_with_it;
e144710b302525 Thomas Gleixner 2010-10-01 75 unsigned int depth; /* nested irq disables */
e144710b302525 Thomas Gleixner 2010-10-01 76 unsigned int wake_depth; /* nested wake enables */
1136b072896990 Thomas Gleixner 2019-02-08 77 unsigned int tot_count;
e144710b302525 Thomas Gleixner 2010-10-01 78 unsigned int irq_count; /* For detecting broken IRQs */
e144710b302525 Thomas Gleixner 2010-10-01 79 unsigned long last_unhandled; /* Aging timer for unhandled count */
e144710b302525 Thomas Gleixner 2010-10-01 80 unsigned int irqs_unhandled;
1e77d0a1ed7417 Thomas Gleixner 2013-03-07 81 atomic_t threads_handled;
1e77d0a1ed7417 Thomas Gleixner 2013-03-07 82 int threads_handled_last;
e144710b302525 Thomas Gleixner 2010-10-01 83 raw_spinlock_t lock;
31d9d9b6d83030 Marc Zyngier 2011-09-23 84 struct cpumask *percpu_enabled;
222df54fd8b764 Marc Zyngier 2016-04-11 85 const struct cpumask *percpu_affinity;
e144710b302525 Thomas Gleixner 2010-10-01 86 #ifdef CONFIG_SMP
e144710b302525 Thomas Gleixner 2010-10-01 87 const struct cpumask *affinity_hint;
cd7eab44e9946c Ben Hutchings 2011-01-19 88 struct irq_affinity_notify *affinity_notify;
e144710b302525 Thomas Gleixner 2010-10-01 89 #ifdef CONFIG_GENERIC_PENDING_IRQ
e144710b302525 Thomas Gleixner 2010-10-01 90 cpumask_var_t pending_mask;
e144710b302525 Thomas Gleixner 2010-10-01 91 #endif
e144710b302525 Thomas Gleixner 2010-10-01 92 #endif
b5faba21a6805c Thomas Gleixner 2011-02-23 93 unsigned long threads_oneshot;
e144710b302525 Thomas Gleixner 2010-10-01 94 atomic_t threads_active;
e144710b302525 Thomas Gleixner 2010-10-01 95 wait_queue_head_t wait_for_threads;
cab303be91dc47 Thomas Gleixner 2014-08-28 96 #ifdef CONFIG_PM_SLEEP
cab303be91dc47 Thomas Gleixner 2014-08-28 97 unsigned int nr_actions;
cab303be91dc47 Thomas Gleixner 2014-08-28 98 unsigned int no_suspend_depth;
17f480342026e5 Rafael J. Wysocki 2015-02-27 99 unsigned int cond_suspend_depth;
cab303be91dc47 Thomas Gleixner 2014-08-28 100 unsigned int force_resume_depth;
cab303be91dc47 Thomas Gleixner 2014-08-28 101 #endif
e144710b302525 Thomas Gleixner 2010-10-01 102 #ifdef CONFIG_PROC_FS
e144710b302525 Thomas Gleixner 2010-10-01 103 struct proc_dir_entry *dir;
425a5072dcd1bd Thomas Gleixner 2015-12-13 104 #endif
087cdfb662ae50 Thomas Gleixner 2017-06-20 105 #ifdef CONFIG_GENERIC_IRQ_DEBUGFS
087cdfb662ae50 Thomas Gleixner 2017-06-20 106 struct dentry *debugfs_file;
07557ccb8c83f3 Thomas Gleixner 2017-09-13 107 const char *dev_name;
087cdfb662ae50 Thomas Gleixner 2017-06-20 108 #endif
425a5072dcd1bd Thomas Gleixner 2015-12-13 109 #ifdef CONFIG_SPARSE_IRQ
425a5072dcd1bd Thomas Gleixner 2015-12-13 110 struct rcu_head rcu;
ecb3f394c5dba8 Craig Gallek 2016-09-13 111 struct kobject kobj;
e144710b302525 Thomas Gleixner 2010-10-01 112 #endif
9114014cf4e6df Thomas Gleixner 2017-06-29 113 struct mutex request_mutex;
293a7a0a165c4f Thomas Gleixner 2012-10-16 114 int parent_irq;
b6873807a7143b Sebastian Andrzej Siewior 2011-07-11 115 struct module *owner;
e144710b302525 Thomas Gleixner 2010-10-01 116 const char *name;
bc06a9e0874239 Shanker Donthineni 2023-05-19 117 #ifdef CONFIG_HARDIRQS_SW_RESEND
bc06a9e0874239 Shanker Donthineni 2023-05-19 118 struct hlist_node resend_node;
bc06a9e0874239 Shanker Donthineni 2023-05-19 119 #endif
e144710b302525 Thomas Gleixner 2010-10-01 120 } ____cacheline_internodealigned_in_smp;
e144710b302525 Thomas Gleixner 2010-10-01 121
a899418167264c Thomas Gleixner 2015-07-05 122 #ifdef CONFIG_SPARSE_IRQ
a899418167264c Thomas Gleixner 2015-07-05 123 extern void irq_lock_sparse(void);
a899418167264c Thomas Gleixner 2015-07-05 124 extern void irq_unlock_sparse(void);
a899418167264c Thomas Gleixner 2015-07-05 125 #else
a899418167264c Thomas Gleixner 2015-07-05 126 static inline void irq_lock_sparse(void) { }
a899418167264c Thomas Gleixner 2015-07-05 127 static inline void irq_unlock_sparse(void) { }
e144710b302525 Thomas Gleixner 2010-10-01 128 extern struct irq_desc irq_desc[NR_IRQS];
e144710b302525 Thomas Gleixner 2010-10-01 129 #endif
e144710b302525 Thomas Gleixner 2010-10-01 130
501e2db67fa426 Thomas Gleixner 2020-12-10 131 static inline unsigned int irq_desc_kstat_cpu(struct irq_desc *desc,
501e2db67fa426 Thomas Gleixner 2020-12-10 132 unsigned int cpu)
501e2db67fa426 Thomas Gleixner 2020-12-10 133 {
86d2a2f51fbada Bitao Hu 2024-04-11 134 return desc->kstat_irqs ? per_cpu(desc->kstat_irqs->cnt, cpu) : 0;
501e2db67fa426 Thomas Gleixner 2020-12-10 135 }
501e2db67fa426 Thomas Gleixner 2020-12-10 136
7bbf1dd24b17b9 Jiang Liu 2015-06-01 137 static inline struct irq_desc *irq_data_to_desc(struct irq_data *data)
7bbf1dd24b17b9 Jiang Liu 2015-06-01 138 {
755d119a620497 Thomas Gleixner 2015-09-16 @139 return container_of(data->common, struct irq_desc, irq_common_data);
7bbf1dd24b17b9 Jiang Liu 2015-06-01 140 }
7bbf1dd24b17b9 Jiang Liu 2015-06-01 141
304adf8a8fff97 Jiang Liu 2015-06-04 142 static inline unsigned int irq_desc_get_irq(struct irq_desc *desc)
304adf8a8fff97 Jiang Liu 2015-06-04 143 {
304adf8a8fff97 Jiang Liu 2015-06-04 144 return desc->irq_data.irq;
304adf8a8fff97 Jiang Liu 2015-06-04 145 }
304adf8a8fff97 Jiang Liu 2015-06-04 146
d9936bb3952a08 Thomas Gleixner 2011-03-11 147 static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc)
d9936bb3952a08 Thomas Gleixner 2011-03-11 148 {
d9936bb3952a08 Thomas Gleixner 2011-03-11 149 return &desc->irq_data;
d9936bb3952a08 Thomas Gleixner 2011-03-11 150 }
d9936bb3952a08 Thomas Gleixner 2011-03-11 151
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 152 static inline struct irq_chip *irq_desc_get_chip(struct irq_desc *desc)
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 153 {
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 154 return desc->irq_data.chip;
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 @155 }
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 156
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 157 static inline void *irq_desc_get_chip_data(struct irq_desc *desc)
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 158 {
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 159 return desc->irq_data.chip_data;
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 160 }
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 161
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 162 static inline void *irq_desc_get_handler_data(struct irq_desc *desc)
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 163 {
af7080e040d223 Jiang Liu 2015-06-01 164 return desc->irq_common_data.handler_data;
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 165 }
a0cd9ca2b907d7 Thomas Gleixner 2011-02-10 166
e144710b302525 Thomas Gleixner 2010-10-01 167 /*
e144710b302525 Thomas Gleixner 2010-10-01 168 * Architectures call this to let the generic IRQ layer
6584d84c3e504c Huang Shijie 2015-09-01 169 * handle an interrupt.
e144710b302525 Thomas Gleixner 2010-10-01 170 */
bd0b9ac405e179 Thomas Gleixner 2015-09-14 171 static inline void generic_handle_irq_desc(struct irq_desc *desc)
e144710b302525 Thomas Gleixner 2010-10-01 172 {
bd0b9ac405e179 Thomas Gleixner 2015-09-14 @173 desc->handle_irq(desc);
e144710b302525 Thomas Gleixner 2010-10-01 174 }
e144710b302525 Thomas Gleixner 2010-10-01 175
a3016b26ee6ee1 Marc Zyngier 2021-05-04 176 int handle_irq_desc(struct irq_desc *desc);
fe12bc2c996d3e Thomas Gleixner 2011-05-18 177 int generic_handle_irq(unsigned int irq);
509853f9e1e7b1 Sebastian Andrzej Siewior 2022-02-11 178 int generic_handle_irq_safe(unsigned int irq);
e144710b302525 Thomas Gleixner 2010-10-01 179
e1c054918c6c7a Marc Zyngier 2021-05-12 180 #ifdef CONFIG_IRQ_DOMAIN
76ba59f8366f2d Marc Zyngier 2014-08-26 181 /*
76ba59f8366f2d Marc Zyngier 2014-08-26 182 * Convert a HW interrupt number to a logical one using a IRQ domain,
76ba59f8366f2d Marc Zyngier 2014-08-26 183 * and handle the result interrupt number. Return -EINVAL if
9626d18a20e166 Marc Zyngier 2021-05-04 184 * conversion failed.
76ba59f8366f2d Marc Zyngier 2014-08-26 185 */
8240ef50d48643 Marc Zyngier 2021-05-12 186 int generic_handle_domain_irq(struct irq_domain *domain, unsigned int hwirq);
6a164c64699984 Sebastian Andrzej Siewior 2022-05-09 187 int generic_handle_domain_irq_safe(struct irq_domain *domain, unsigned int hwirq);
0953fb263714e1 Mark Rutland 2021-10-20 188 int generic_handle_domain_nmi(struct irq_domain *domain, unsigned int hwirq);
76ba59f8366f2d Marc Zyngier 2014-08-26 189 #endif
76ba59f8366f2d Marc Zyngier 2014-08-26 190
e144710b302525 Thomas Gleixner 2010-10-01 191 /* Test to see if a driver has successfully requested an irq */
f61ae4fb66a4f7 Thomas Gleixner 2015-08-02 192 static inline int irq_desc_has_action(struct irq_desc *desc)
e144710b302525 Thomas Gleixner 2010-10-01 193 {
a313357e704f26 Thomas Gleixner 2020-12-10 194 return desc && desc->action != NULL;
f61ae4fb66a4f7 Thomas Gleixner 2015-08-02 195 }
f61ae4fb66a4f7 Thomas Gleixner 2015-08-02 196
bbc9d21fc0071c Thomas Gleixner 2015-06-23 197 /**
bbc9d21fc0071c Thomas Gleixner 2015-06-23 198 * irq_set_handler_locked - Set irq handler from a locked region
bbc9d21fc0071c Thomas Gleixner 2015-06-23 199 * @data: Pointer to the irq_data structure which identifies the irq
bbc9d21fc0071c Thomas Gleixner 2015-06-23 200 * @handler: Flow control handler function for this interrupt
bbc9d21fc0071c Thomas Gleixner 2015-06-23 201 *
bbc9d21fc0071c Thomas Gleixner 2015-06-23 202 * Sets the handler in the irq descriptor associated to @data.
bbc9d21fc0071c Thomas Gleixner 2015-06-23 203 *
bbc9d21fc0071c Thomas Gleixner 2015-06-23 204 * Must be called with irq_desc locked and valid parameters. Typical
bbc9d21fc0071c Thomas Gleixner 2015-06-23 205 * call site is the irq_set_type() callback.
bbc9d21fc0071c Thomas Gleixner 2015-06-23 206 */
bbc9d21fc0071c Thomas Gleixner 2015-06-23 207 static inline void irq_set_handler_locked(struct irq_data *data,
bbc9d21fc0071c Thomas Gleixner 2015-06-23 208 irq_flow_handler_t handler)
bbc9d21fc0071c Thomas Gleixner 2015-06-23 209 {
bbc9d21fc0071c Thomas Gleixner 2015-06-23 210 struct irq_desc *desc = irq_data_to_desc(data);
bbc9d21fc0071c Thomas Gleixner 2015-06-23 211
bbc9d21fc0071c Thomas Gleixner 2015-06-23 212 desc->handle_irq = handler;
bbc9d21fc0071c Thomas Gleixner 2015-06-23 213 }
bbc9d21fc0071c Thomas Gleixner 2015-06-23 214
bbc9d21fc0071c Thomas Gleixner 2015-06-23 215 /**
bbc9d21fc0071c Thomas Gleixner 2015-06-23 216 * irq_set_chip_handler_name_locked - Set chip, handler and name from a locked region
bbc9d21fc0071c Thomas Gleixner 2015-06-23 217 * @data: Pointer to the irq_data structure for which the chip is set
bbc9d21fc0071c Thomas Gleixner 2015-06-23 218 * @chip: Pointer to the new irq chip
bbc9d21fc0071c Thomas Gleixner 2015-06-23 219 * @handler: Flow control handler function for this interrupt
bbc9d21fc0071c Thomas Gleixner 2015-06-23 220 * @name: Name of the interrupt
bbc9d21fc0071c Thomas Gleixner 2015-06-23 221 *
bbc9d21fc0071c Thomas Gleixner 2015-06-23 222 * Replace the irq chip at the proper hierarchy level in @data and
bbc9d21fc0071c Thomas Gleixner 2015-06-23 223 * sets the handler and name in the associated irq descriptor.
bbc9d21fc0071c Thomas Gleixner 2015-06-23 224 *
bbc9d21fc0071c Thomas Gleixner 2015-06-23 225 * Must be called with irq_desc locked and valid parameters.
bbc9d21fc0071c Thomas Gleixner 2015-06-23 226 */
bbc9d21fc0071c Thomas Gleixner 2015-06-23 227 static inline void
ef6e5d61eb7a0a Michael Walle 2022-07-06 228 irq_set_chip_handler_name_locked(struct irq_data *data,
ef6e5d61eb7a0a Michael Walle 2022-07-06 229 const struct irq_chip *chip,
bbc9d21fc0071c Thomas Gleixner 2015-06-23 230 irq_flow_handler_t handler, const char *name)
bbc9d21fc0071c Thomas Gleixner 2015-06-23 231 {
bbc9d21fc0071c Thomas Gleixner 2015-06-23 232 struct irq_desc *desc = irq_data_to_desc(data);
bbc9d21fc0071c Thomas Gleixner 2015-06-23 233
bbc9d21fc0071c Thomas Gleixner 2015-06-23 234 desc->handle_irq = handler;
bbc9d21fc0071c Thomas Gleixner 2015-06-23 235 desc->name = name;
ef6e5d61eb7a0a Michael Walle 2022-07-06 236 data->chip = (struct irq_chip *)chip;
bbc9d21fc0071c Thomas Gleixner 2015-06-23 237 }
bbc9d21fc0071c Thomas Gleixner 2015-06-23 238
fdd029630434b4 Thomas Gleixner 2020-12-10 239 bool irq_check_status_bit(unsigned int irq, unsigned int bitmask);
fdd029630434b4 Thomas Gleixner 2020-12-10 240
4ce413d1840b25 Will Deacon 2017-12-01 241 static inline bool irq_balancing_disabled(unsigned int irq)
e144710b302525 Thomas Gleixner 2010-10-01 242 {
fdd029630434b4 Thomas Gleixner 2020-12-10 @243 return irq_check_status_bit(irq, IRQ_NO_BALANCING_MASK);
e144710b302525 Thomas Gleixner 2010-10-01 244 }
781295762defc7 Thomas Gleixner 2011-02-10 245
4ce413d1840b25 Will Deacon 2017-12-01 246 static inline bool irq_is_percpu(unsigned int irq)
7f4a8e7b1943c1 Vinayak Kale 2013-12-04 247 {
fdd029630434b4 Thomas Gleixner 2020-12-10 @248 return irq_check_status_bit(irq, IRQ_PER_CPU);
7f4a8e7b1943c1 Vinayak Kale 2013-12-04 249 }
7f4a8e7b1943c1 Vinayak Kale 2013-12-04 250
4ce413d1840b25 Will Deacon 2017-12-01 251 static inline bool irq_is_percpu_devid(unsigned int irq)
08395c7f4d9f58 Julien Thierry 2017-10-13 252 {
fdd029630434b4 Thomas Gleixner 2020-12-10 @253 return irq_check_status_bit(irq, IRQ_PER_CPU_DEVID);
08395c7f4d9f58 Julien Thierry 2017-10-13 254 }
08395c7f4d9f58 Julien Thierry 2017-10-13 255

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