| /Linux-v5.10/drivers/gpu/drm/nouveau/nvkm/subdev/fault/ |
| D | base.c | 30 struct nvkm_fault *fault = container_of(event, typeof(*fault), event); in nvkm_fault_ntfy_fini() local
31 fault->func->buffer.intr(fault->buffer[index], false); in nvkm_fault_ntfy_fini()
37 struct nvkm_fault *fault = container_of(event, typeof(*fault), event); in nvkm_fault_ntfy_init() local
38 fault->func->buffer.intr(fault->buffer[index], true); in nvkm_fault_ntfy_init()
65 struct nvkm_fault *fault = nvkm_fault(subdev); in nvkm_fault_intr() local
66 return fault->func->intr(fault); in nvkm_fault_intr()
72 struct nvkm_fault *fault = nvkm_fault(subdev); in nvkm_fault_fini() local
73 if (fault->func->fini) in nvkm_fault_fini()
74 fault->func->fini(fault); in nvkm_fault_fini()
81 struct nvkm_fault *fault = nvkm_fault(subdev); in nvkm_fault_init() local
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| D | gv100.c | 33 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_process()
42 const u32 base = get * buffer->fault->func->buffer.entry_size; in gv100_fault_buffer_process()
76 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_intr()
87 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_fini()
95 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_init()
107 struct nvkm_device *device = buffer->fault->subdev.device; in gv100_fault_buffer_info()
120 struct nvkm_fault *fault = container_of(notify, typeof(*fault), nrpfb); in gv100_fault_ntfy_nrpfb() local
121 gv100_fault_buffer_process(fault->buffer[0]); in gv100_fault_ntfy_nrpfb()
126 gv100_fault_intr_fault(struct nvkm_fault *fault) in gv100_fault_intr_fault() argument
128 struct nvkm_subdev *subdev = &fault->subdev; in gv100_fault_intr_fault()
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| D | tu102.c | 42 struct nvkm_device *device = buffer->fault->subdev.device; in tu102_fault_buffer_fini()
50 struct nvkm_device *device = buffer->fault->subdev.device; in tu102_fault_buffer_init()
62 struct nvkm_device *device = buffer->fault->subdev.device; in tu102_fault_buffer_info()
73 tu102_fault_intr_fault(struct nvkm_fault *fault) in tu102_fault_intr_fault() argument
75 struct nvkm_subdev *subdev = &fault->subdev; in tu102_fault_intr_fault()
99 tu102_fault_intr(struct nvkm_fault *fault) in tu102_fault_intr() argument
101 struct nvkm_subdev *subdev = &fault->subdev; in tu102_fault_intr()
106 tu102_fault_intr_fault(fault); in tu102_fault_intr()
112 if (fault->buffer[0]) { in tu102_fault_intr()
113 nvkm_event_send(&fault->event, 1, 0, NULL, 0); in tu102_fault_intr()
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| /Linux-v5.10/drivers/infiniband/hw/hfi1/ |
| D | fault.c | 55 #include "fault.h"
111 if (!ibd->fault->n_rxfaults[i] && !ibd->fault->n_txfaults[i]) in _fault_stats_seq_show()
116 (unsigned long long)ibd->fault->n_rxfaults[i], in _fault_stats_seq_show()
117 (unsigned long long)ibd->fault->n_txfaults[i]); in _fault_stats_seq_show()
138 struct fault *fault = file->private_data; in fault_opcodes_write() local
180 bitmap_zero(fault->opcodes, sizeof(fault->opcodes) * in fault_opcodes_write()
190 clear_bit(i, fault->opcodes); in fault_opcodes_write()
192 set_bit(i, fault->opcodes); in fault_opcodes_write()
212 struct fault *fault = file->private_data; in fault_opcodes_read() local
213 size_t bitsize = sizeof(fault->opcodes) * BITS_PER_BYTE; in fault_opcodes_read()
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| /Linux-v5.10/arch/powerpc/mm/ |
| D | fault.c | 6 * Derived from "arch/i386/mm/fault.c"
109 * 5. T1 : enters fault handler, takes mmap_lock, etc... in bad_access_pkey()
137 vm_fault_t fault) in do_sigbus() argument
144 if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) { in do_sigbus()
147 pr_err("MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n", in do_sigbus()
150 if (fault & VM_FAULT_HWPOISON_LARGE) in do_sigbus()
151 lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault)); in do_sigbus()
152 if (fault & VM_FAULT_HWPOISON) in do_sigbus()
165 vm_fault_t fault) in mm_fault_error() argument
168 * Kernel page fault interrupted by SIGKILL. We have no reason to in mm_fault_error()
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| /Linux-v5.10/drivers/gpu/drm/nouveau/ |
| D | nouveau_svm.c | 63 u8 fault; member
65 } **fault; member
155 * page fault) and maybe some other commands. in nouveau_svmm_bind()
369 /* Issue fault replay for GPU to retry accesses that faulted previously. */
380 /* Cancel a replayable fault that could not be handled.
382 * Cancelling the fault will trigger recovery to reset the engine
402 struct nouveau_svm_fault *fault) in nouveau_svm_fault_cancel_fault() argument
404 nouveau_svm_fault_cancel(svm, fault->inst, in nouveau_svm_fault_cancel_fault()
405 fault->hub, in nouveau_svm_fault_cancel_fault()
406 fault->gpc, in nouveau_svm_fault_cancel_fault()
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| /Linux-v5.10/Documentation/fault-injection/ |
| D | fault-injection.rst | 2 Fault injection capabilities infrastructure
8 Available fault injection capabilities
25 injects futex deadlock and uaddr fault errors.
44 - NVMe fault injection
52 Configure fault-injection capabilities behavior
58 fault-inject-debugfs kernel module provides some debugfs entries for runtime
59 configuration of fault-injection capabilities.
97 to debug the problems revealed by fault injection.
197 that the fault setup with a previous write to this file was injected.
198 A positive integer N indicates that the fault wasn't yet injected.
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| /Linux-v5.10/drivers/iommu/amd/ |
| D | iommu_v2.c | 66 struct fault { struct
426 static void handle_fault_error(struct fault *fault) in handle_fault_error() argument
430 if (!fault->dev_state->inv_ppr_cb) { in handle_fault_error()
431 set_pri_tag_status(fault->state, fault->tag, PPR_INVALID); in handle_fault_error()
435 status = fault->dev_state->inv_ppr_cb(fault->dev_state->pdev, in handle_fault_error()
436 fault->pasid, in handle_fault_error()
437 fault->address, in handle_fault_error()
438 fault->flags); in handle_fault_error()
441 set_pri_tag_status(fault->state, fault->tag, PPR_SUCCESS); in handle_fault_error()
444 set_pri_tag_status(fault->state, fault->tag, PPR_INVALID); in handle_fault_error()
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| /Linux-v5.10/arch/arm/mm/ |
| 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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| 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-v5.10/arch/powerpc/platforms/powernv/ |
| 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.
56 * Whereas if NX encounters page fault, the kernel will handle the
57 * fault and update CSB with translation error.
104 * error and fault address. If csb_addr passed by user space is in update_csb()
179 pr_err("Fault fifo size %d, Max crbs %d\n", vinst->fault_fifo_size, in dump_fifo()
183 pr_err("Fault FIFO Dump:\n"); in dump_fifo()
191 * Process valid CRBs in fault FIFO.
194 * request buffers, raises interrupt on the CPU to handle the fault.
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| /Linux-v5.10/arch/microblaze/mm/ |
| 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-v5.10/arch/arm64/mm/ |
| D | fault.c | 3 * Based on arch/arm/mm/fault.c
269 * If we now have a valid translation, treat the translation fault as in is_spurious_el1_translation_fault()
276 * If we got a different type of fault from the AT instruction, in is_spurious_el1_translation_fault()
277 * treat the translation fault as spurious. in is_spurious_el1_translation_fault()
305 * Are we prepared to handle this kernel fault? in __do_kernel_fault()
312 "Ignoring spurious kernel translation fault at virtual address %016lx\n", addr)) in __do_kernel_fault()
340 * an alignment fault not caused by the memory type would take in set_thread_esr()
341 * precedence over translation fault for a real access to empty in set_thread_esr()
342 * space. Unfortunately we can't easily distinguish "alignment fault in set_thread_esr()
343 * not caused by memory type" from "alignment fault caused by memory in set_thread_esr()
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| /Linux-v5.10/arch/parisc/mm/ |
| D | fault.c | 44 * the instruction has generated some sort of a memory access fault).
104 * Data TLB miss fault/data page fault in parisc_acctyp()
197 [6] "Instruction TLB miss fault",
206 [15] "Data TLB miss fault",
207 [16] "Non-access ITLB miss fault",
208 [17] "Non-access DTLB miss fault",
267 vm_fault_t fault = 0; in do_page_fault() local
302 * If for any reason at all we couldn't handle the fault, make in do_page_fault()
304 * fault. in do_page_fault()
307 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
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| /Linux-v5.10/arch/powerpc/lib/ |
| 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);
243 fault: label
247 EX_TABLE(70b, fault);
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| /Linux-v5.10/arch/m68k/mm/ |
| D | fault.c | 3 * linux/arch/m68k/mm/fault.c
62 * bit 0 == 0 means no page found, 1 means protection fault
73 vm_fault_t fault; in do_page_fault() local
76 pr_debug("do page fault:\nregs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld, %p\n", in do_page_fault()
81 * context, we must not take the fault.. in do_page_fault()
135 * If for any reason at all we couldn't handle the fault, in do_page_fault()
137 * the fault. in do_page_fault()
140 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
141 pr_debug("handle_mm_fault returns %x\n", fault); in do_page_fault()
143 if (fault_signal_pending(fault, regs)) in do_page_fault()
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| /Linux-v5.10/arch/hexagon/mm/ |
| D | vm_fault.c | 3 * Memory fault handling for Hexagon
9 * Page fault handling for the Hexagon Virtual Machine.
34 * Canonical page fault handler
42 vm_fault_t fault; in do_page_fault() local
48 * then must not take the fault. in do_page_fault()
94 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
96 if (fault_signal_pending(fault, regs)) in do_page_fault()
100 if (likely(!(fault & VM_FAULT_ERROR))) { in do_page_fault()
102 if (fault & VM_FAULT_RETRY) { in do_page_fault()
118 if (fault & VM_FAULT_OOM) { in do_page_fault()
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| /Linux-v5.10/arch/ia64/mm/ |
| D | fault.c | 3 * MMU fault handling support.
72 vm_fault_t fault; in ia64_do_page_fault() local
82 * If we're in an interrupt or have no user context, we must not take the fault.. in ia64_do_page_fault()
89 * If fault is in region 5 and we are in the kernel, we may already in ia64_do_page_fault()
145 * If for any reason at all we couldn't handle the fault, make in ia64_do_page_fault()
147 * fault. in ia64_do_page_fault()
149 fault = handle_mm_fault(vma, address, flags, regs); in ia64_do_page_fault()
151 if (fault_signal_pending(fault, regs)) in ia64_do_page_fault()
154 if (unlikely(fault & VM_FAULT_ERROR)) { in ia64_do_page_fault()
157 * to us that made us unable to handle the page fault in ia64_do_page_fault()
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| /Linux-v5.10/arch/nios2/kernel/ |
| 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-v5.10/arch/alpha/mm/ |
| 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()
150 /* If for any reason at all we couldn't handle the fault, in do_page_fault()
152 the fault. */ in do_page_fault()
153 fault = handle_mm_fault(vma, address, flags, regs); in do_page_fault()
155 if (fault_signal_pending(fault, regs)) in do_page_fault()
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| /Linux-v5.10/arch/s390/mm/ |
| D | fault.c | 8 * Derived from "arch/i386/mm/fault.c"
170 pr_alert("Fault in "); in dump_fault_info()
220 printk(KERN_ALERT "User process fault: interruption code %04x ilc:%d ", in report_user_fault()
256 /* Are we prepared to handle this kernel fault? */ in do_no_context()
320 vm_fault_t fault) in do_fault_error() argument
324 switch (fault) { in do_fault_error()
333 si_code = (fault == VM_FAULT_BADMAP) ? in do_fault_error()
347 default: /* fault & VM_FAULT_ERROR */ in do_fault_error()
348 if (fault & VM_FAULT_OOM) { in do_fault_error()
353 } else if (fault & VM_FAULT_SIGSEGV) { in do_fault_error()
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| /Linux-v5.10/Documentation/i2c/ |
| 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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| /Linux-v5.10/arch/x86/mm/ |
| D | fault.c | 38 * Returns 0 if mmiotrace is disabled, or if the fault is not
120 * If it was a exec (instruction fetch) fault on NX page, then in is_prefetch()
121 * do not ignore the fault: in is_prefetch()
194 * Handle a fault on the vmalloc or module mapping area
205 * unhandled page-fault when they are accessed.
416 * The OS sees this as a page fault with the upper 32bits of RIP cleared.
450 * We catch this in the page fault handler because these addresses
536 pr_alert("BUG: unable to handle page fault for address: %px\n", in show_fault_oops()
559 * contributory exception from user code and gets a page fault in show_fault_oops()
560 * during delivery, the page fault can be delivered as though in show_fault_oops()
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| /Linux-v5.10/arch/mips/kernel/ |
| D | unaligned.c | 170 goto fault; in emulate_load_store_insn()
179 goto fault; in emulate_load_store_insn()
204 goto fault; in emulate_load_store_insn()
217 goto fault; in emulate_load_store_insn()
230 goto fault; in emulate_load_store_insn()
245 goto fault; in emulate_load_store_insn()
258 goto fault; in emulate_load_store_insn()
283 goto fault; in emulate_load_store_insn()
302 goto fault; in emulate_load_store_insn()
321 goto fault; in emulate_load_store_insn()
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| /Linux-v5.10/arch/sh/mm/ |
| 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()
316 unsigned long address, vm_fault_t fault) in mm_fault_error() argument
322 if (fault_signal_pending(fault, regs)) { in mm_fault_error()
329 if (!(fault & VM_FAULT_RETRY)) in mm_fault_error()
332 if (!(fault & VM_FAULT_ERROR)) in mm_fault_error()
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