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Searched refs:kbuf (Results 1 – 25 of 76) sorted by relevance

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/linux/arch/parisc/kernel/
H A 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 kexec_dprintk("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/arch/riscv/kernel/
H A Dkexec_elf.c31 struct kexec_buf kbuf = {}; in riscv_kexec_elf_load() local
34 kbuf.image = image; in riscv_kexec_elf_load()
45 kbuf.buffer = (void *) elf_info->buffer + phdr->p_offset; in riscv_kexec_elf_load()
46 kbuf.bufsz = size; in riscv_kexec_elf_load()
47 kbuf.buf_align = phdr->p_align; in riscv_kexec_elf_load()
48 kbuf.mem = phdr->p_paddr - old_pbase + new_pbase; in riscv_kexec_elf_load()
49 kbuf.memsz = phdr->p_memsz; in riscv_kexec_elf_load()
50 kbuf.top_down = false; in riscv_kexec_elf_load()
51 ret = kexec_add_buffer(&kbuf); in riscv_kexec_elf_load()
69 struct kexec_buf kbuf = {}; in elf_find_pbase() local
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H A Dkexec_image.c44 struct kexec_buf kbuf = {}; in image_load() local
64 kbuf.image = image; in image_load()
65 kbuf.buf_min = 0; in image_load()
66 kbuf.buf_max = ULONG_MAX; in image_load()
67 kbuf.top_down = false; in image_load()
69 kbuf.buffer = kernel; in image_load()
70 kbuf.bufsz = kernel_len; in image_load()
71 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in image_load()
72 kbuf.memsz = le64_to_cpu(h->image_size); in image_load()
73 kbuf.buf_align = le64_to_cpu(h->text_offset); in image_load()
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H A Dmachine_kexec_file.c264 struct kexec_buf kbuf = {}; in load_extra_segments() local
267 kbuf.image = image; in load_extra_segments()
268 kbuf.buf_min = kernel_start + kernel_len; in load_extra_segments()
269 kbuf.buf_max = ULONG_MAX; in load_extra_segments()
282 kbuf.buffer = headers; in load_extra_segments()
283 kbuf.bufsz = headers_sz; in load_extra_segments()
284 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in load_extra_segments()
285 kbuf.memsz = headers_sz; in load_extra_segments()
286 kbuf.buf_align = ELF_CORE_HEADER_ALIGN; in load_extra_segments()
287 kbuf.top_down = true; in load_extra_segments()
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H A Dptrace.c51 const void *kbuf, const void __user *ubuf) in riscv_gpr_set() argument
56 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, regs, 0, -1); in riscv_gpr_set()
77 const void *kbuf, const void __user *ubuf) in riscv_fpr_set() argument
82 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, fstate, 0, in riscv_fpr_set()
85 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, fstate, 0, in riscv_fpr_set()
220 const void *kbuf, const void __user *ubuf) in riscv_vr_set() argument
233 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &ptrace_vstate, 0, in riscv_vr_set()
248 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, vstate->datap, in riscv_vr_set()
281 const void *kbuf, const void __user *ubuf) in tagged_addr_ctrl_set() argument
286 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &ctrl, 0, -1); in tagged_addr_ctrl_set()
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/linux/arch/loongarch/kernel/
H A Dmachine_kexec_file.c146 struct kexec_buf kbuf = {}; in load_other_segments() local
148 kbuf.image = image; in load_other_segments()
150 kbuf.buf_min = kernel_load_addr + kernel_size; in load_other_segments()
172 kbuf.buffer = headers; in load_other_segments()
173 kbuf.bufsz = headers_sz; in load_other_segments()
174 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in load_other_segments()
175 kbuf.memsz = headers_sz; in load_other_segments()
176 kbuf.buf_align = SZ_64K; /* largest supported page size */ in load_other_segments()
177 kbuf.buf_max = ULONG_MAX; in load_other_segments()
178 kbuf.top_down = true; in load_other_segments()
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H A Dkexec_efi.c45 struct kexec_buf kbuf = {}; in efi_kexec_load() local
57 kbuf.image = image; in efi_kexec_load()
58 kbuf.buf_max = ULONG_MAX; in efi_kexec_load()
59 kbuf.top_down = false; in efi_kexec_load()
61 kbuf.buffer = kernel; in efi_kexec_load()
62 kbuf.bufsz = kernel_len; in efi_kexec_load()
63 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in efi_kexec_load()
64 kbuf.memsz = le64_to_cpu(h->kernel_asize); in efi_kexec_load()
66 kbuf.buf_min = text_offset; in efi_kexec_load()
67 kbuf.buf_align = SZ_2M; in efi_kexec_load()
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H A Dkexec_elf.c22 struct kexec_buf *kbuf, unsigned long *text_offset) in _elf_kexec_load() argument
39 kbuf->buffer = (void *)elf_info->buffer + phdr->p_offset; in _elf_kexec_load()
40 kbuf->bufsz = size; in _elf_kexec_load()
41 kbuf->buf_align = phdr->p_align; in _elf_kexec_load()
43 kbuf->buf_min = *text_offset; in _elf_kexec_load()
44 kbuf->memsz = ALIGN(phdr->p_memsz, SZ_64K); in _elf_kexec_load()
45 kbuf->mem = KEXEC_BUF_MEM_UNKNOWN; in _elf_kexec_load()
46 ret = kexec_add_buffer(kbuf); in _elf_kexec_load()
62 struct kexec_buf kbuf = {}; in elf_kexec_load() local
74 kbuf.image = image; in elf_kexec_load()
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H A Dptrace.c93 const void *kbuf, const void __user *ubuf) in gpr_set() argument
101 err = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in gpr_set()
104 err |= user_regset_copyin(&pos, &count, &kbuf, &ubuf, in gpr_set()
107 err |= user_regset_copyin(&pos, &count, &kbuf, &ubuf, in gpr_set()
110 err |= user_regset_copyin(&pos, &count, &kbuf, &ubuf, in gpr_set()
166 const void **kbuf, const void __user **ubuf) in gfpr_set() argument
168 return user_regset_copyin(pos, count, kbuf, ubuf, in gfpr_set()
175 const void **kbuf, const void __user **ubuf) in gfpr_set_simd() argument
182 err = user_regset_copyin(pos, count, kbuf, ubuf, in gfpr_set_simd()
200 const void *kbuf, const void __user *ubuf) in fpr_set() argument
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/linux/arch/powerpc/kernel/ptrace/
H A Dptrace-decl.h75 const void *kbuf, const void __user *ubuf);
83 const void *kbuf, const void __user *ubuf);
91 const void *kbuf, const void __user *ubuf);
99 const void *kbuf, const void __user *ubuf);
110 const void *kbuf, const void __user *ubuf,
125 const void *kbuf, const void __user *ubuf);
130 const void *kbuf, const void __user *ubuf);
135 const void *kbuf, const void __user *ubuf);
140 const void *kbuf, const void __user *ubuf);
145 const void *kbuf, const void __user *ubuf);
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H A 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 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 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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/linux/arch/sparc/kernel/
H A Dptrace_32.c109 const void *kbuf, const void __user *ubuf) in genregs32_set() argument
119 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
127 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
137 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
146 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
151 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
156 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
161 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, 36 * sizeof(u32), 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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H A Dptrace_64.c161 void *kbuf, int len) in get_from_target() argument
164 if (copy_from_user(kbuf, (void __user *) uaddr, len)) in get_from_target()
167 int len2 = access_process_vm(target, uaddr, kbuf, len, in get_from_target()
176 void *kbuf, int len) in set_to_target() argument
179 if (copy_to_user((void __user *) uaddr, kbuf, len)) in set_to_target()
182 int len2 = access_process_vm(target, uaddr, kbuf, len, in set_to_target()
270 const void *kbuf, const void __user *ubuf) in genregs64_set() argument
278 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs64_set()
287 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs64_set()
301 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs64_set()
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/linux/arch/powerpc/kexec/
H A Dfile_load_64.c344 static int load_backup_segment(struct kimage *image, struct kexec_buf *kbuf) in load_backup_segment() argument
361 kbuf->buffer = buf; in load_backup_segment()
362 kbuf->mem = KEXEC_BUF_MEM_UNKNOWN; in load_backup_segment()
363 kbuf->bufsz = kbuf->memsz = BACKUP_SRC_SIZE; in load_backup_segment()
364 kbuf->top_down = false; in load_backup_segment()
366 ret = kexec_add_buffer(kbuf); in load_backup_segment()
373 image->arch.backup_start = kbuf->mem; in load_backup_segment()
402 static int load_elfcorehdr_segment(struct kimage *image, struct kexec_buf *kbuf) in load_elfcorehdr_segment() argument
423 kbuf->buffer = headers; in load_elfcorehdr_segment()
424 kbuf->mem = KEXEC_BUF_MEM_UNKNOWN; in load_elfcorehdr_segment()
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/linux/arch/powerpc/platforms/pseries/
H A Dreconfig.c362 char *kbuf; in ofdt_write() local
369 kbuf = memdup_user_nul(buf, count); in ofdt_write()
370 if (IS_ERR(kbuf)) in ofdt_write()
371 return PTR_ERR(kbuf); in ofdt_write()
373 tmp = strchr(kbuf, ' '); in ofdt_write()
381 if (!strcmp(kbuf, "add_node")) in ofdt_write()
382 rv = do_add_node(tmp, count - (tmp - kbuf)); in ofdt_write()
383 else if (!strcmp(kbuf, "remove_node")) in ofdt_write()
385 else if (!strcmp(kbuf, "add_property")) in ofdt_write()
386 rv = do_add_property(tmp, count - (tmp - kbuf)); in ofdt_write()
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/linux/arch/um/drivers/
H A Dhostaudio_kern.c76 void *kbuf; in hostaudio_read() local
83 kbuf = kmalloc(count, GFP_KERNEL); in hostaudio_read()
84 if (kbuf == NULL) in hostaudio_read()
87 err = os_read_file(state->fd, kbuf, count); in hostaudio_read()
91 if (copy_to_user(buffer, kbuf, err)) in hostaudio_read()
95 kfree(kbuf); in hostaudio_read()
103 void *kbuf; in hostaudio_write() local
110 kbuf = memdup_user(buffer, count); in hostaudio_write()
111 if (IS_ERR(kbuf)) in hostaudio_write()
112 return PTR_ERR(kbuf); in hostaudio_write()
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/linux/kernel/
H A Dcrash_dump_dm_crypt.c406 struct kexec_buf kbuf = { in crash_load_dm_crypt_keys() local
430 kbuf.buffer = keys_header; in crash_load_dm_crypt_keys()
431 kbuf.bufsz = get_keys_header_size(key_count); in crash_load_dm_crypt_keys()
433 kbuf.memsz = kbuf.bufsz; in crash_load_dm_crypt_keys()
434 kbuf.buf_align = ELF_CORE_HEADER_ALIGN; in crash_load_dm_crypt_keys()
435 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in crash_load_dm_crypt_keys()
436 r = kexec_add_buffer(&kbuf); in crash_load_dm_crypt_keys()
439 kvfree((void *)kbuf.buffer); in crash_load_dm_crypt_keys()
442 image->dm_crypt_keys_addr = kbuf.mem; in crash_load_dm_crypt_keys()
443 image->dm_crypt_keys_sz = kbuf.bufsz; in crash_load_dm_crypt_keys()
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/linux/arch/arm64/kernel/
H A Dptrace.c509 const void *kbuf, const void __user *ubuf) in hw_break_set() argument
518 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, 0, offset); in hw_break_set()
525 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &addr, in hw_break_set()
536 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &ctrl, in hw_break_set()
545 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in hw_break_set()
565 const void *kbuf, const void __user *ubuf) in gpr_set() argument
570 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &newregs, 0, -1); in gpr_set()
619 const void *kbuf, const void __user *ubuf, in __fpr_set() argument
633 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &newstate, in __fpr_set()
645 const void *kbuf, const void __user *ubuf) in fpr_set() argument
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/linux/net/qrtr/
H A 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()
/linux/include/linux/
H A Dregset.h120 const void *kbuf, const void __user *ubuf);
264 const void **kbuf, in user_regset_copyin() argument
275 if (*kbuf) { in user_regset_copyin()
276 memcpy(data, *kbuf, copy); in user_regset_copyin()
277 *kbuf += copy; in user_regset_copyin()
290 const void **kbuf, in user_regset_copyin_ignore() argument
301 if (*kbuf) in user_regset_copyin_ignore()
302 *kbuf += copy; in user_regset_copyin_ignore()
H A Dkexec.h99 void *kbuf; member
205 struct kexec_buf *kbuf, in kexec_random_range_start() argument
210 if (kbuf->random) { in kexec_random_range_start()
218 struct kexec_buf *kbuf, in kexec_random_range_start() argument
223 int kexec_load_purgatory(struct kimage *image, struct kexec_buf *kbuf);
259 extern int kexec_add_buffer(struct kexec_buf *kbuf);
260 int kexec_locate_mem_hole(struct kexec_buf *kbuf);
271 static inline int arch_kexec_locate_mem_hole(struct kexec_buf *kbuf) in arch_kexec_locate_mem_hole() argument
273 return kexec_locate_mem_hole(kbuf); in arch_kexec_locate_mem_hole()
333 struct kexec_buf *kbuf,
/linux/drivers/soc/fsl/
H A Ddpaa2-console.c199 void *kbuf; in dpaa2_console_read() local
211 kbuf = kmalloc(bytes, GFP_KERNEL); in dpaa2_console_read()
212 if (!kbuf) in dpaa2_console_read()
216 memcpy_fromio(kbuf, cd->cur_ptr, bytes_end); in dpaa2_console_read()
217 if (copy_to_user(buf, kbuf, bytes_end)) { in dpaa2_console_read()
227 memcpy_fromio(kbuf, cd->cur_ptr, bytes); in dpaa2_console_read()
228 if (copy_to_user(buf, kbuf, bytes)) { in dpaa2_console_read()
235 kfree(kbuf); in dpaa2_console_read()
239 kfree(kbuf); in dpaa2_console_read()
/linux/arch/openrisc/kernel/
H A Dptrace.c67 const void *kbuf, const void __user * ubuf) in genregs_set() argument
73 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, 0, 4); in genregs_set()
75 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs_set()
79 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs_set()
86 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, 4*33, -1); in genregs_set()
107 const void *kbuf, const void __user *ubuf) in fpregs_set() argument
110 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, in fpregs_set()
/linux/drivers/fpga/
H A Dzynqmp-fpga.c46 char *kbuf; in zynqmp_fpga_ops_write() local
51 kbuf = dma_alloc_coherent(priv->dev, size, &dma_addr, GFP_KERNEL); in zynqmp_fpga_ops_write()
52 if (!kbuf) in zynqmp_fpga_ops_write()
55 memcpy(kbuf, buf, size); in zynqmp_fpga_ops_write()
64 dma_free_coherent(priv->dev, size, kbuf, dma_addr); in zynqmp_fpga_ops_write()
/linux/arch/sh/kernel/
H A Dptrace_32.c146 const void *kbuf, const void __user *ubuf) in genregs_set() argument
151 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs_set()
155 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs_set()
160 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in genregs_set()
184 const void *kbuf, const void __user *ubuf) in fpregs_set() argument
195 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, in fpregs_set()
198 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, in fpregs_set()
223 const void *kbuf, const void __user *ubuf) in dspregs_set() argument
229 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, regs, in dspregs_set()
232 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in dspregs_set()

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