| /linux/drivers/gpu/drm/nouveau/nvkm/subdev/fault/ |
| H A D | base.c | 29 struct nvkm_fault *fault = container_of(event, typeof(*fault), event); in nvkm_fault_ntfy_fini() local
30 fault->func->buffer.intr(fault->buffer[index], false); in nvkm_fault_ntfy_fini()
36 struct nvkm_fault *fault = container_of(event, typeof(*fault), event); in nvkm_fault_ntfy_init() local
37 fault->func->buffer.intr(fault->buffer[index], true); in nvkm_fault_ntfy_init()
49 struct nvkm_fault *fault = nvkm_fault(subdev); in nvkm_fault_intr() local
50 return fault->func->intr(fault); in nvkm_fault_intr()
56 struct nvkm_fault *fault = nvkm_fault(subdev); in nvkm_fault_fini() local
57 if (fault->func->fini) in nvkm_fault_fini()
58 fault->func->fini(fault); in nvkm_fault_fini()
65 struct nvkm_fault *fault = nvkm_fault(subdev); in nvkm_fault_init() local
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| H A D | gv100.c | 33 struct nvkm_fault *fault = container_of(work, typeof(*fault), nrpfb_work); in gv100_fault_buffer_process() local
34 struct nvkm_fault_buffer *buffer = fault->buffer[0]; in gv100_fault_buffer_process()
35 struct nvkm_device *device = fault->subdev.device; in gv100_fault_buffer_process()
44 const u32 base = get * buffer->fault->func->buffer.entry_size; in gv100_fault_buffer_process()
78 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_intr()
89 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_fini()
97 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_init()
109 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_info()
122 struct nvkm_fault *fault = container_of(ntfy, typeof(*fault), nrpfb); in gv100_fault_ntfy_nrpfb() local
124 schedule_work(&fault->nrpfb_work); in gv100_fault_ntfy_nrpfb()
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| H A D | tu102.c | 38 nvkm_event_ntfy(&buffer->fault->event, buffer->id, NVKM_FAULT_BUFFER_EVENT_PENDING); in tu102_fault_buffer_notify()
54 struct nvkm_device *device = buffer->fault->subdev.device; in tu102_fault_buffer_fini()
63 struct nvkm_device *device = buffer->fault->subdev.device; in tu102_fault_buffer_init()
75 struct nvkm_device *device = buffer->fault->subdev.device; in tu102_fault_buffer_info()
88 struct nvkm_fault *fault = container_of(inth, typeof(*fault), info_fault); in tu102_fault_info_fault() local
89 struct nvkm_subdev *subdev = &fault->subdev; in tu102_fault_info_fault()
116 tu102_fault_fini(struct nvkm_fault *fault) in tu102_fault_fini() argument
118 nvkm_event_ntfy_block(&fault->nrpfb); in tu102_fault_fini()
119 flush_work(&fault->nrpfb_work); in tu102_fault_fini()
121 if (fault->buffer[0]) in tu102_fault_fini()
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| /linux/drivers/infiniband/hw/hfi1/ |
| H A D | fault.c | 13 #include "fault.h"
69 if (!ibd->fault->n_rxfaults[i] && !ibd->fault->n_txfaults[i]) in _fault_stats_seq_show()
74 (unsigned long long)ibd->fault->n_rxfaults[i], in _fault_stats_seq_show()
75 (unsigned long long)ibd->fault->n_txfaults[i]); in _fault_stats_seq_show()
96 struct fault *fault = file->private_data; in fault_opcodes_write() local
135 bitmap_zero(fault->opcodes, sizeof(fault->opcodes) * in fault_opcodes_write()
145 clear_bit(i, fault->opcodes); in fault_opcodes_write()
147 set_bit(i, fault->opcodes); in fault_opcodes_write()
166 struct fault *fault = file->private_data; in fault_opcodes_read() local
167 size_t bitsize = sizeof(fault->opcodes) * BITS_PER_BYTE; in fault_opcodes_read()
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| /linux/drivers/iommu/iommufd/ |
| H A D | eventq.c | 22 struct iommufd_fault *fault = hwpt->fault; in iommufd_auto_response_faults() local
27 if (!fault || !handle) in iommufd_auto_response_faults()
31 mutex_lock(&fault->mutex); in iommufd_auto_response_faults()
32 spin_lock(&fault->common.lock); in iommufd_auto_response_faults()
33 list_for_each_entry_safe(group, next, &fault->common.deliver, node) { in iommufd_auto_response_faults()
38 spin_unlock(&fault->common.lock); in iommufd_auto_response_faults()
46 xa_for_each(&fault->response, index, group) { in iommufd_auto_response_faults()
49 xa_erase(&fault->response, index); in iommufd_auto_response_faults()
53 mutex_unlock(&fault->mutex); in iommufd_auto_response_faults()
60 struct iommufd_fault *fault = eventq_to_fault(eventq); in iommufd_fault_destroy() local
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| /linux/drivers/gpu/drm/xe/ |
| H A D | xe_pagefault_types.h | 15 /** enum xe_pagefault_access_type - Xe page fault access type */
25 /** enum xe_pagefault_type - Xe page fault type */
38 * @ack_fault: Ack fault
39 * @pf: Page fault
40 * @err: Error state of fault
42 * Page fault producer receives acknowledgment from the consumer and
49 * struct xe_pagefault - Xe page fault
51 * Generic page fault structure for communication between producer and consumer.
52 * Carefully sized to be 64 bytes. Upon a device page fault, the producer
53 * populates this structure, and the consumer copies it into the page-fault
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| /linux/arch/arm64/mm/ |
| H A D | fault.c | 3 * Based on arch/arm/mm/fault.c
325 * If we now have a valid translation, treat the translation fault as in is_spurious_el1_translation_fault()
338 * If we got a different type of fault from the AT instruction, in is_spurious_el1_translation_fault()
339 * treat the translation fault as spurious. in is_spurious_el1_translation_fault()
389 * tag fault. in do_tag_recovery()
415 * Are we prepared to handle this kernel fault? in __do_kernel_fault()
423 "Ignoring spurious kernel translation fault at virtual address %016lx\n", addr); in __do_kernel_fault()
470 * an alignment fault not caused by the memory type would take in set_thread_esr()
471 * precedence over translation fault for a real access to empty in set_thread_esr()
472 * space. Unfortunately we can't easily distinguish "alignment fault in set_thread_esr()
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| /linux/drivers/iommu/ |
| H A D | io-pgfault.c | 17 * Return the fault parameter of a device if it exists. Otherwise, return NULL.
35 /* Caller must hold a reference of the fault parameter. */
47 if (!(iopf->fault.prm.flags & IOMMU_FAULT_PAGE_REQUEST_LAST_PAGE)) in __iopf_free_group()
64 struct iommu_fault *fault) in report_partial_fault() argument
72 iopf->fault = *fault; in report_partial_fault()
98 group->last_fault.fault = evt->fault; in iopf_group_alloc()
106 if (iopf->fault.prm.grpid == evt->fault.prm.grpid) in iopf_group_alloc()
107 /* Insert *before* the last fault */ in iopf_group_alloc()
121 struct iommu_fault *fault = &evt->fault; in find_fault_handler() local
124 if (fault->prm.flags & IOMMU_FAULT_PAGE_REQUEST_PASID_VALID) { in find_fault_handler()
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| /linux/arch/powerpc/platforms/powernv/ |
| H A D | vas-fault.c | 3 * VAS Fault handling.
21 * The maximum FIFO size for fault window can be 8MB
23 * instance will be having fault window.
35 pr_err("Fault fifo size %d, Max crbs %d\n", vinst->fault_fifo_size, in dump_fifo()
39 pr_err("Fault FIFO Dump:\n"); in dump_fifo()
47 * Process valid CRBs in fault FIFO.
50 * request buffers, raises interrupt on the CPU to handle the fault.
51 * It takes credit on fault window, updates nx_fault_stamp in CRB with
52 * the following information and pastes CRB in fault FIFO.
55 * fault_storage_addr - fault address
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| /linux/arch/microblaze/mm/ |
| H A D | fault.c | 2 * arch/microblaze/mm/fault.c
6 * Derived from "arch/ppc/mm/fault.c"
9 * Derived from "arch/i386/mm/fault.c"
71 /* Are we prepared to handle this fault? */ in bad_page_fault()
83 * The error_code parameter is ESR for a data fault,
84 * 0 for an instruction fault.
93 vm_fault_t fault; in do_page_fault() local
115 pr_emerg("Page fault in user mode with faulthandler_disabled(), mm = %p\n", in do_page_fault()
119 die("Weird page fault", regs, SIGSEGV); in do_page_fault()
130 * erroneous fault occurring in a code path which already holds mmap_lock in do_page_fault()
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| /linux/arch/m68k/mm/ |
| H A D | fault.c | 3 * linux/arch/m68k/mm/fault.c
20 #include "fault.h"
64 * bit 0 == 0 means no page found, 1 means protection fault
75 vm_fault_t fault; in do_page_fault() local
78 pr_debug("do page fault:\nregs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld, %p\n", in do_page_fault()
83 * context, we must not take the fault.. in do_page_fault()
136 * If for any reason at all we couldn't handle the fault, in do_page_fault()
138 * the fault. in do_page_fault()
141 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
142 pr_debug("handle_mm_fault returns %x\n", fault); in do_page_fault()
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| /linux/arch/arm/mm/ |
| H A D | fsr-3level.c | 7 { do_bad, SIGBUS, 0, "reserved translation fault" },
8 { do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 1 translation fault" },
9 { do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 2 translation fault" },
10 { do_page_fault, SIGSEGV, SEGV_MAPERR, "level 3 translation fault" },
11 { do_bad, SIGBUS, 0, "reserved access flag fault" },
12 { do_bad, SIGSEGV, SEGV_ACCERR, "level 1 access flag fault" },
13 { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 2 access flag fault" },
14 { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 3 access flag fault" },
15 { do_bad, SIGBUS, 0, "reserved permission fault" },
16 { do_bad, SIGSEGV, SEGV_ACCERR, "level 1 permission fault" },
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| H A D | fault.c | 3 * linux/arch/arm/mm/fault.c
26 #include "fault.h"
142 * Are we prepared to handle this kernel fault? in __do_kernel_fault()
182 pr_err("%s: unhandled page fault (%d) at 0x%08lx, code 0x%03x\n", in __do_user_fault()
212 * have no context to handle this fault with. in do_bad_area()
243 * Handle a vmalloc fault, copying the non-leaf page table entries from
312 * Fault from user mode for a kernel space address. User mode in do_kernel_address_page_fault()
322 * Fault from kernel mode. Enable interrupts if they were in do_kernel_address_page_fault()
326 * PTE or PTE permission fault. This may happen in exceptional in do_kernel_address_page_fault()
344 vm_fault_t fault; in do_page_fault() local
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| H A D | fsr-2level.c | 12 { do_translation_fault, SIGSEGV, SEGV_MAPERR, "section translation fault" },
14 { do_page_fault, SIGSEGV, SEGV_MAPERR, "page translation fault" },
16 { do_bad, SIGSEGV, SEGV_ACCERR, "section domain fault" },
18 { do_bad, SIGSEGV, SEGV_ACCERR, "page domain fault" },
20 { do_sect_fault, SIGSEGV, SEGV_ACCERR, "section permission fault" },
22 { do_page_fault, SIGSEGV, SEGV_ACCERR, "page permission fault" },
50 { do_bad, SIGSEGV, SEGV_ACCERR, "section access flag fault" },
52 { do_translation_fault, SIGSEGV, SEGV_MAPERR, "section translation fault" },
53 { do_bad, SIGSEGV, SEGV_ACCERR, "page access flag fault" },
54 { do_page_fault, SIGSEGV, SEGV_MAPERR, "page translation fault" },
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| /linux/arch/parisc/mm/ |
| H A D | fault.c | 46 * the instruction has generated some sort of a memory access fault).
106 * Data TLB miss fault/data page fault in parisc_acctyp()
204 [6] = "Instruction TLB miss fault",
213 [15] = "Data TLB miss fault",
214 [16] = "Non-access ITLB miss fault",
215 [17] = "Non-access DTLB miss fault",
274 vm_fault_t fault = 0; in do_page_fault() local
281 msg = "Page fault: no context"; in do_page_fault()
313 * If for any reason at all we couldn't handle the fault, make in do_page_fault()
315 * fault. in do_page_fault()
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| /linux/arch/hexagon/mm/ |
| H A D | vm_fault.c | 3 * Memory fault handling for Hexagon
9 * Page fault handling for the Hexagon Virtual Machine.
35 * Canonical page fault handler
43 vm_fault_t fault; in do_page_fault() local
49 * then must not take the fault. in do_page_fault()
84 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
86 if (fault_signal_pending(fault, regs)) { in do_page_fault()
92 /* The fault is fully completed (including releasing mmap lock) */ in do_page_fault()
93 if (fault & VM_FAULT_COMPLETED) in do_page_fault()
97 if (likely(!(fault & VM_FAULT_ERROR))) { in do_page_fault()
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| /linux/arch/alpha/mm/ |
| H A D | fault.c | 3 * linux/arch/alpha/mm/fault.c
65 * 2 = fault-on-read
66 * 3 = fault-on-execute
67 * 4 = fault-on-write
92 vm_fault_t fault; in do_page_fault() local
110 we must not take the fault. */ in do_page_fault()
142 /* If for any reason at all we couldn't handle the fault, in do_page_fault()
144 the fault. */ in do_page_fault()
145 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
147 if (fault_signal_pending(fault, regs)) { in do_page_fault()
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| /linux/arch/powerpc/lib/ |
| H A D | checksum_32.S | 109 EX_TABLE(8 ## n ## 0b, fault); \
110 EX_TABLE(8 ## n ## 1b, fault); \
111 EX_TABLE(8 ## n ## 2b, fault); \
112 EX_TABLE(8 ## n ## 3b, fault); \
113 EX_TABLE(8 ## n ## 4b, fault); \
114 EX_TABLE(8 ## n ## 5b, fault); \
115 EX_TABLE(8 ## n ## 6b, fault); \
116 EX_TABLE(8 ## n ## 7b, fault);
240 fault: label
244 EX_TABLE(70b, fault);
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| /linux/arch/nios2/mm/ |
| H A D | fault.c | 5 * based on arch/mips/mm/fault.c which is:
50 vm_fault_t fault; in do_page_fault() local
59 * We fault-in kernel-space virtual memory on-demand. The in do_page_fault()
79 * context, we must not take the fault.. in do_page_fault()
120 * If for any reason at all we couldn't handle the fault, in do_page_fault()
122 * the fault. in do_page_fault()
124 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
126 if (fault_signal_pending(fault, regs)) { in do_page_fault()
132 /* The fault is fully completed (including releasing mmap lock) */ in do_page_fault()
133 if (fault & VM_FAULT_COMPLETED) in do_page_fault()
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| /linux/arch/mips/kernel/ |
| H A D | unaligned.c | 175 goto fault; in emulate_load_store_insn()
184 goto fault; in emulate_load_store_insn()
193 goto fault; in emulate_load_store_insn()
213 goto fault; in emulate_load_store_insn()
222 goto fault; in emulate_load_store_insn()
243 goto fault; in emulate_load_store_insn()
252 goto fault; in emulate_load_store_insn()
261 goto fault; in emulate_load_store_insn()
272 goto fault; in emulate_load_store_insn()
281 goto fault; in emulate_load_store_insn()
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| /linux/arch/sh/mm/ |
| H A D | fault.c | 2 * Page fault handler for SH with an MMU.
7 * Based on linux/arch/i386/mm/fault.c:
157 * be another reason for the fault. Return NULL here to in vmalloc_sync_one()
158 * signal that we have not taken care of the fault. in vmalloc_sync_one()
174 * Handle a fault on the vmalloc or module mapping area
225 /* Are we prepared to handle this kernel fault? */ in no_context()
314 unsigned long address, vm_fault_t fault) in mm_fault_error() argument
320 if (fault_signal_pending(fault, regs)) { in mm_fault_error()
327 if (!(fault & VM_FAULT_RETRY)) in mm_fault_error()
330 if (!(fault & VM_FAULT_ERROR)) in mm_fault_error()
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| /linux/arch/nios2/kernel/ |
| H A D | misaligned.c | 72 unsigned int fault; in handle_unaligned_c() local
85 fault = 0; in handle_unaligned_c()
98 fault |= __get_user(d0, (u8 *)(addr+0)); in handle_unaligned_c()
99 fault |= __get_user(d1, (u8 *)(addr+1)); in handle_unaligned_c()
111 fault |= __put_user(d0, (u8 *)(addr+0)); in handle_unaligned_c()
112 fault |= __put_user(d1, (u8 *)(addr+1)); in handle_unaligned_c()
116 fault |= __get_user(d0, (u8 *)(addr+0)); in handle_unaligned_c()
117 fault |= __get_user(d1, (u8 *)(addr+1)); in handle_unaligned_c()
133 fault |= __put_user(d0, (u8 *)(addr+0)); in handle_unaligned_c()
134 fault |= __put_user(d1, (u8 *)(addr+1)); in handle_unaligned_c()
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| /linux/arch/loongarch/mm/ |
| H A D | fault.c | 80 /* Are we prepared to handle this kernel fault? */ in no_context()
105 * (which will retry the fault, or kill us if we got oom-killed). in do_out_of_memory()
183 vm_fault_t fault; in __do_page_fault() local
189 * We fault-in kernel-space virtual memory on-demand. The in __do_page_fault()
207 * context, we must not take the fault.. in __do_page_fault()
249 fault = handle_mm_fault(vma, address, flags | FAULT_FLAG_VMA_LOCK, regs); in __do_page_fault()
250 if (!(fault & (VM_FAULT_RETRY | VM_FAULT_COMPLETED))) in __do_page_fault()
253 if (!(fault & VM_FAULT_RETRY)) { in __do_page_fault()
259 if (fault & VM_FAULT_MAJOR) in __do_page_fault()
263 if (fault_signal_pending(fault, regs)) { in __do_page_fault()
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| /linux/arch/arc/mm/ |
| H A D | fault.c | 2 /* Page Fault Handling for ARC (TLB Miss / ProtV)
80 vm_fault_t fault = VM_FAULT_SIGSEGV; /* handle_mm_fault() output */ in do_page_fault() local
98 * context, we must not take the fault.. in do_page_fault()
135 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
138 if (fault_signal_pending(fault, regs)) { in do_page_fault()
144 /* The fault is fully completed (including releasing mmap lock) */ in do_page_fault()
145 if (fault & VM_FAULT_COMPLETED) in do_page_fault()
149 * Fault retry nuances, mmap_lock already relinquished by core mm in do_page_fault()
151 if (unlikely(fault & VM_FAULT_RETRY)) { in do_page_fault()
161 * Major/minor page fault accounting in do_page_fault()
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| /linux/Documentation/i2c/ |
| H A D | fault-codes.rst | 2 I2C/SMBUS Fault Codes
5 This is a summary of the most important conventions for use of fault
9 A "Fault" is not always an "Error"
11 Not all fault reports imply errors; "page faults" should be a familiar
15 recovery, triggered by a fault report, there is no error.
17 In a similar way, sometimes a "fault" code just reports one defined
23 the right fault code, so that it can (in turn) behave correctly.
26 I2C and SMBus fault codes
29 some positive number indicating a non-fault return. The specific
36 cases (unless the hardware doesn't provide unique fault reports).
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