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Searched refs:kbuf (Results 1 – 25 of 107) sorted by relevance

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/Linux-v5.15/tools/lib/traceevent/
Dkbuffer-parse.c57 unsigned long long (*read_long)(struct kbuffer *kbuf, void *ptr);
58 int (*next_event)(struct kbuffer *kbuf);
75 static int do_swap(struct kbuffer *kbuf) in do_swap() argument
77 return ((kbuf->flags & KBUFFER_FL_HOST_BIG_ENDIAN) + kbuf->flags) & in do_swap()
125 static unsigned long long read_8(struct kbuffer *kbuf, void *ptr) in read_8() argument
127 return kbuf->read_8(ptr); in read_8()
130 static unsigned int read_4(struct kbuffer *kbuf, void *ptr) in read_4() argument
132 return kbuf->read_4(ptr); in read_4()
135 static unsigned long long __read_long_8(struct kbuffer *kbuf, void *ptr) in __read_long_8() argument
137 return kbuf->read_8(ptr); in __read_long_8()
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Dkbuffer.h32 void kbuffer_free(struct kbuffer *kbuf);
33 int kbuffer_load_subbuffer(struct kbuffer *kbuf, void *subbuffer);
34 void *kbuffer_read_event(struct kbuffer *kbuf, unsigned long long *ts);
35 void *kbuffer_next_event(struct kbuffer *kbuf, unsigned long long *ts);
36 unsigned long long kbuffer_timestamp(struct kbuffer *kbuf);
37 unsigned long long kbuffer_subbuf_timestamp(struct kbuffer *kbuf, void *subbuf);
38 unsigned int kbuffer_ptr_delta(struct kbuffer *kbuf, void *ptr);
42 void *kbuffer_read_at_offset(struct kbuffer *kbuf, int offset, unsigned long long *ts);
44 int kbuffer_curr_index(struct kbuffer *kbuf);
46 int kbuffer_curr_offset(struct kbuffer *kbuf);
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/Linux-v5.15/arch/arm64/kernel/
Dmachine_kexec_file.c87 struct kexec_buf kbuf; in load_other_segments() local
93 kbuf.image = image; in load_other_segments()
95 kbuf.buf_min = kernel_load_addr + kernel_size; in load_other_segments()
105 kbuf.buffer = headers; in load_other_segments()
106 kbuf.bufsz = headers_sz; in load_other_segments()
107 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in load_other_segments()
108 kbuf.memsz = headers_sz; in load_other_segments()
109 kbuf.buf_align = SZ_64K; /* largest supported page size */ in load_other_segments()
110 kbuf.buf_max = ULONG_MAX; in load_other_segments()
111 kbuf.top_down = true; in load_other_segments()
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Dkexec_image.c45 struct kexec_buf kbuf; in image_load() local
76 kbuf.image = image; in image_load()
77 kbuf.buf_min = 0; in image_load()
78 kbuf.buf_max = ULONG_MAX; in image_load()
79 kbuf.top_down = false; in image_load()
81 kbuf.buffer = kernel; in image_load()
82 kbuf.bufsz = kernel_len; in image_load()
83 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in image_load()
84 kbuf.memsz = le64_to_cpu(h->image_size); in image_load()
86 kbuf.buf_align = MIN_KIMG_ALIGN; in image_load()
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/Linux-v5.15/arch/parisc/kernel/
Dkexec_file.c25 struct kexec_buf kbuf = { .image = image, .buf_min = 0, in elf_load() local
32 ret = kexec_elf_load(image, &ehdr, &elf_info, &kbuf, &kernel_load_addr); in elf_load()
45 kbuf.buffer = initrd; in elf_load()
46 kbuf.bufsz = kbuf.memsz = initrd_len; in elf_load()
47 kbuf.buf_align = PAGE_SIZE; in elf_load()
48 kbuf.top_down = false; in elf_load()
49 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in elf_load()
50 ret = kexec_add_buffer(&kbuf); in elf_load()
54 pr_debug("Loaded initrd at 0x%lx\n", kbuf.mem); in elf_load()
55 image->arch.initrd_start = kbuf.mem; in elf_load()
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/Linux-v5.15/arch/powerpc/kexec/
Delf_64.c40 struct kexec_buf kbuf = { .image = image, .buf_min = 0, in elf64_load() local
52 kbuf.buf_min = pbuf.buf_min = crashk_res.start; in elf64_load()
53 kbuf.buf_max = pbuf.buf_max = in elf64_load()
58 ret = kexec_elf_load(image, &ehdr, &elf_info, &kbuf, &kernel_load_addr); in elf64_load()
74 ret = load_crashdump_segments_ppc64(image, &kbuf); in elf64_load()
92 kbuf.buffer = initrd; in elf64_load()
93 kbuf.bufsz = kbuf.memsz = initrd_len; in elf64_load()
94 kbuf.buf_align = PAGE_SIZE; in elf64_load()
95 kbuf.top_down = false; in elf64_load()
96 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in elf64_load()
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Dfile_load_64.c245 static int __locate_mem_hole_top_down(struct kexec_buf *kbuf, in __locate_mem_hole_top_down() argument
273 start = ALIGN(start, kbuf->buf_align); in __locate_mem_hole_top_down()
274 if (start < end && (end - start + 1) >= kbuf->memsz) { in __locate_mem_hole_top_down()
276 kbuf->mem = ALIGN_DOWN(end - kbuf->memsz + 1, in __locate_mem_hole_top_down()
277 kbuf->buf_align); in __locate_mem_hole_top_down()
296 static int locate_mem_hole_top_down_ppc64(struct kexec_buf *kbuf, in locate_mem_hole_top_down_ppc64() argument
313 ret = __locate_mem_hole_top_down(kbuf, tmin, tmax); in locate_mem_hole_top_down_ppc64()
329 ret = __locate_mem_hole_top_down(kbuf, tmin, tmax); in locate_mem_hole_top_down_ppc64()
344 static int __locate_mem_hole_bottom_up(struct kexec_buf *kbuf, in __locate_mem_hole_bottom_up() argument
372 start = ALIGN(start, kbuf->buf_align); in __locate_mem_hole_bottom_up()
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/Linux-v5.15/mm/damon/
Ddbgfs.c28 char *kbuf; in user_input_str() local
35 kbuf = kmalloc(count + 1, GFP_KERNEL); in user_input_str()
36 if (!kbuf) in user_input_str()
39 ret = simple_write_to_buffer(kbuf, count + 1, ppos, buf, count); in user_input_str()
41 kfree(kbuf); in user_input_str()
44 kbuf[ret] = '\0'; in user_input_str()
46 return kbuf; in user_input_str()
53 char kbuf[128]; in dbgfs_attrs_read() local
57 ret = scnprintf(kbuf, ARRAY_SIZE(kbuf), "%lu %lu %lu %lu %lu\n", in dbgfs_attrs_read()
63 return simple_read_from_buffer(buf, count, ppos, kbuf, ret); in dbgfs_attrs_read()
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/Linux-v5.15/kernel/
Dkexec_file.c449 struct kexec_buf *kbuf) in locate_mem_hole_top_down() argument
451 struct kimage *image = kbuf->image; in locate_mem_hole_top_down()
454 temp_end = min(end, kbuf->buf_max); in locate_mem_hole_top_down()
455 temp_start = temp_end - kbuf->memsz; in locate_mem_hole_top_down()
459 temp_start = temp_start & (~(kbuf->buf_align - 1)); in locate_mem_hole_top_down()
461 if (temp_start < start || temp_start < kbuf->buf_min) in locate_mem_hole_top_down()
464 temp_end = temp_start + kbuf->memsz - 1; in locate_mem_hole_top_down()
480 kbuf->mem = temp_start; in locate_mem_hole_top_down()
487 struct kexec_buf *kbuf) in locate_mem_hole_bottom_up() argument
489 struct kimage *image = kbuf->image; in locate_mem_hole_bottom_up()
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/Linux-v5.15/fs/
Dstatfs.c267 static int put_compat_statfs(struct compat_statfs __user *ubuf, struct kstatfs *kbuf) in put_compat_statfs() argument
271 if ((kbuf->f_blocks | kbuf->f_bfree | kbuf->f_bavail | in put_compat_statfs()
272 kbuf->f_bsize | kbuf->f_frsize) & 0xffffffff00000000ULL) in put_compat_statfs()
276 if (kbuf->f_files != 0xffffffffffffffffULL in put_compat_statfs()
277 && (kbuf->f_files & 0xffffffff00000000ULL)) in put_compat_statfs()
279 if (kbuf->f_ffree != 0xffffffffffffffffULL in put_compat_statfs()
280 && (kbuf->f_ffree & 0xffffffff00000000ULL)) in put_compat_statfs()
284 buf.f_type = kbuf->f_type; in put_compat_statfs()
285 buf.f_bsize = kbuf->f_bsize; in put_compat_statfs()
286 buf.f_blocks = kbuf->f_blocks; in put_compat_statfs()
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/Linux-v5.15/arch/x86/kernel/
Dkexec-bzimage64.c340 struct kexec_buf kbuf = { .image = image, .buf_max = ULONG_MAX, in bzImage64_load() local
402 kbuf.bufsz = params_cmdline_sz + ALIGN(efi_map_sz, 16) + in bzImage64_load()
406 params = kzalloc(kbuf.bufsz, GFP_KERNEL); in bzImage64_load()
418 kbuf.buffer = params; in bzImage64_load()
419 kbuf.memsz = kbuf.bufsz; in bzImage64_load()
420 kbuf.buf_align = 16; in bzImage64_load()
421 kbuf.buf_min = MIN_BOOTPARAM_ADDR; in bzImage64_load()
422 ret = kexec_add_buffer(&kbuf); in bzImage64_load()
425 bootparam_load_addr = kbuf.mem; in bzImage64_load()
427 bootparam_load_addr, kbuf.bufsz, kbuf.bufsz); in bzImage64_load()
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Dcrash.c389 struct kexec_buf kbuf = { .image = image, .buf_min = 0, in crash_load_segments() local
393 ret = prepare_elf_headers(image, &kbuf.buffer, &kbuf.bufsz); in crash_load_segments()
397 image->elf_headers = kbuf.buffer; in crash_load_segments()
398 image->elf_headers_sz = kbuf.bufsz; in crash_load_segments()
400 kbuf.memsz = kbuf.bufsz; in crash_load_segments()
401 kbuf.buf_align = ELF_CORE_HEADER_ALIGN; in crash_load_segments()
402 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in crash_load_segments()
403 ret = kexec_add_buffer(&kbuf); in crash_load_segments()
408 image->elf_load_addr = kbuf.mem; in crash_load_segments()
410 image->elf_load_addr, kbuf.bufsz, kbuf.bufsz); in crash_load_segments()
/Linux-v5.15/arch/powerpc/kernel/ptrace/
Dptrace-decl.h69 const void *kbuf, const void __user *ubuf);
77 const void *kbuf, const void __user *ubuf);
85 const void *kbuf, const void __user *ubuf);
93 const void *kbuf, const void __user *ubuf);
104 const void *kbuf, const void __user *ubuf,
119 const void *kbuf, const void __user *ubuf);
124 const void *kbuf, const void __user *ubuf);
129 const void *kbuf, const void __user *ubuf);
134 const void *kbuf, const void __user *ubuf);
139 const void *kbuf, const void __user *ubuf);
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Dptrace-tm.c136 const void *kbuf, const void __user *ubuf) in tm_cgpr_set() argument
151 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in tm_cgpr_set()
156 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &reg, in tm_cgpr_set()
167 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in tm_cgpr_set()
173 ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in tm_cgpr_set()
178 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &reg, in tm_cgpr_set()
186 ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in tm_cgpr_set()
275 const void *kbuf, const void __user *ubuf) in tm_cfpr_set() argument
295 i = user_regset_copyin(&pos, &count, &kbuf, &ubuf, buf, 0, -1); in tm_cfpr_set()
395 const void *kbuf, const void __user *ubuf) in tm_cvmx_set() argument
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Dptrace-view.c239 unsigned int pos, unsigned int count, const void *kbuf, in gpr_set() argument
248 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in gpr_set()
253 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &reg, in gpr_set()
264 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in gpr_set()
270 ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in gpr_set()
275 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &reg, in gpr_set()
283 ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in gpr_set()
297 unsigned int pos, unsigned int count, const void *kbuf, in ppr_set() argument
300 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, in ppr_set()
310 unsigned int pos, unsigned int count, const void *kbuf, in dscr_set() argument
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/Linux-v5.15/arch/sparc/kernel/
Dptrace_32.c110 const void *kbuf, const void __user *ubuf) in genregs32_set() argument
120 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
128 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
138 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
147 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
152 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
157 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
162 return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in genregs32_set()
185 const void *kbuf, const void __user *ubuf) in fpregs32_set() argument
194 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in fpregs32_set()
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Dptrace_64.c162 void *kbuf, int len) in get_from_target() argument
165 if (copy_from_user(kbuf, (void __user *) uaddr, len)) in get_from_target()
168 int len2 = access_process_vm(target, uaddr, kbuf, len, in get_from_target()
177 void *kbuf, int len) in set_to_target() argument
180 if (copy_to_user((void __user *) uaddr, kbuf, len)) in set_to_target()
183 int len2 = access_process_vm(target, uaddr, kbuf, len, in set_to_target()
271 const void *kbuf, const void __user *ubuf) in genregs64_set() argument
279 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs64_set()
288 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs64_set()
302 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs64_set()
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/Linux-v5.15/arch/powerpc/platforms/pseries/
Dreconfig.c362 char *kbuf; in ofdt_write() local
365 kbuf = memdup_user_nul(buf, count); in ofdt_write()
366 if (IS_ERR(kbuf)) in ofdt_write()
367 return PTR_ERR(kbuf); in ofdt_write()
369 tmp = strchr(kbuf, ' '); in ofdt_write()
377 if (!strcmp(kbuf, "add_node")) in ofdt_write()
378 rv = do_add_node(tmp, count - (tmp - kbuf)); in ofdt_write()
379 else if (!strcmp(kbuf, "remove_node")) in ofdt_write()
381 else if (!strcmp(kbuf, "add_property")) in ofdt_write()
382 rv = do_add_property(tmp, count - (tmp - kbuf)); in ofdt_write()
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/Linux-v5.15/arch/um/drivers/
Dhostaudio_kern.c74 void *kbuf; in hostaudio_read() local
81 kbuf = kmalloc(count, GFP_KERNEL); in hostaudio_read()
82 if (kbuf == NULL) in hostaudio_read()
85 err = os_read_file(state->fd, kbuf, count); in hostaudio_read()
89 if (copy_to_user(buffer, kbuf, err)) in hostaudio_read()
93 kfree(kbuf); in hostaudio_read()
101 void *kbuf; in hostaudio_write() local
108 kbuf = memdup_user(buffer, count); in hostaudio_write()
109 if (IS_ERR(kbuf)) in hostaudio_write()
110 return PTR_ERR(kbuf); in hostaudio_write()
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/Linux-v5.15/security/integrity/ima/
Dima_kexec.c84 struct kexec_buf kbuf = { .image = image, .buf_align = PAGE_SIZE, in ima_add_kexec_buffer() local
118 kbuf.buffer = kexec_buffer; in ima_add_kexec_buffer()
119 kbuf.bufsz = kexec_buffer_size; in ima_add_kexec_buffer()
120 kbuf.memsz = kexec_segment_size; in ima_add_kexec_buffer()
121 ret = kexec_add_buffer(&kbuf); in ima_add_kexec_buffer()
128 image->ima_buffer_addr = kbuf.mem; in ima_add_kexec_buffer()
133 kbuf.mem); in ima_add_kexec_buffer()
/Linux-v5.15/drivers/staging/vc04_services/interface/vchiq_arm/
Dvchiq_debugfs.c79 char kbuf[DEBUGFS_WRITE_BUF_SIZE + 1]; in debugfs_log_write() local
81 memset(kbuf, 0, DEBUGFS_WRITE_BUF_SIZE + 1); in debugfs_log_write()
85 if (copy_from_user(kbuf, buffer, count)) in debugfs_log_write()
87 kbuf[count - 1] = 0; in debugfs_log_write()
89 if (strncmp("error", kbuf, strlen("error")) == 0) in debugfs_log_write()
91 else if (strncmp("warning", kbuf, strlen("warning")) == 0) in debugfs_log_write()
93 else if (strncmp("info", kbuf, strlen("info")) == 0) in debugfs_log_write()
95 else if (strncmp("trace", kbuf, strlen("trace")) == 0) in debugfs_log_write()
/Linux-v5.15/include/linux/
Dregset.h120 const void *kbuf, const void __user *ubuf);
254 const void **kbuf, in user_regset_copyin() argument
265 if (*kbuf) { in user_regset_copyin()
266 memcpy(data, *kbuf, copy); in user_regset_copyin()
267 *kbuf += copy; in user_regset_copyin()
280 const void **kbuf, in user_regset_copyin_ignore() argument
291 if (*kbuf) in user_regset_copyin_ignore()
292 *kbuf += copy; in user_regset_copyin_ignore()
/Linux-v5.15/drivers/fpga/
Dversal-fpga.c26 char *kbuf; in versal_fpga_ops_write() local
29 kbuf = dma_alloc_coherent(mgr->dev.parent, size, &dma_addr, GFP_KERNEL); in versal_fpga_ops_write()
30 if (!kbuf) in versal_fpga_ops_write()
33 memcpy(kbuf, buf, size); in versal_fpga_ops_write()
35 dma_free_coherent(mgr->dev.parent, size, kbuf, dma_addr); in versal_fpga_ops_write()
/Linux-v5.15/drivers/char/xilinx_hwicap/
Dxilinx_hwicap.c360 u32 *kbuf; in hwicap_read() local
388 kbuf = (u32 *) get_zeroed_page(GFP_KERNEL); in hwicap_read()
389 if (!kbuf) { in hwicap_read()
414 kbuf, words); in hwicap_read()
418 free_page((unsigned long)kbuf); in hwicap_read()
423 if (copy_to_user(buf, kbuf, bytes_to_read)) { in hwicap_read()
424 free_page((unsigned long)kbuf); in hwicap_read()
429 kbuf, in hwicap_read()
432 free_page((unsigned long)kbuf); in hwicap_read()
447 u32 *kbuf; in hwicap_write() local
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/Linux-v5.15/net/qrtr/
Dtun.c91 void *kbuf; in qrtr_tun_write_iter() local
99 kbuf = kzalloc(len, GFP_KERNEL); in qrtr_tun_write_iter()
100 if (!kbuf) in qrtr_tun_write_iter()
103 if (!copy_from_iter_full(kbuf, len, from)) { in qrtr_tun_write_iter()
104 kfree(kbuf); in qrtr_tun_write_iter()
108 ret = qrtr_endpoint_post(&tun->ep, kbuf, len); in qrtr_tun_write_iter()
110 kfree(kbuf); in qrtr_tun_write_iter()

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