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Searched refs:ubuf (Results 1 – 25 of 151) sorted by relevance

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/linux/drivers/dma-buf/
H A Dudmabuf.c50 struct udmabuf *ubuf = vma->vm_private_data; in udmabuf_vm_fault() local
55 if (pgoff >= ubuf->pagecount) in udmabuf_vm_fault()
58 pfn = folio_pfn(ubuf->folios[pgoff]); in udmabuf_vm_fault()
59 pfn += ubuf->offsets[pgoff] >> PAGE_SHIFT; in udmabuf_vm_fault()
73 if (WARN_ON(pgoff >= ubuf->pagecount)) in udmabuf_vm_fault()
76 pfn = folio_pfn(ubuf->folios[pgoff]); in udmabuf_vm_fault()
77 pfn += ubuf->offsets[pgoff] >> PAGE_SHIFT; in udmabuf_vm_fault()
98 struct udmabuf *ubuf = buf->priv; in mmap_udmabuf() local
104 vma->vm_private_data = ubuf; in mmap_udmabuf()
111 struct udmabuf *ubuf = buf->priv; in vmap_udmabuf() local
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/linux/drivers/misc/sgi-gru/
H A Dgrukdump.c37 void __user *ubuf, int ctxnum, int dsrcnt, in gru_dump_context_data() argument
51 if (gru_user_copy_handle(&ubuf, cb)) in gru_dump_context_data()
53 if (gru_user_copy_handle(&ubuf, tfh + i * GRU_HANDLE_STRIDE)) in gru_dump_context_data()
55 if (gru_user_copy_handle(&ubuf, cbe + i * GRU_HANDLE_STRIDE)) in gru_dump_context_data()
60 memcpy(ubuf, gseg + GRU_DS_BASE, dsrcnt * GRU_HANDLE_STRIDE); in gru_dump_context_data()
68 void __user *ubuf, void __user *ubufend) in gru_dump_tfm() argument
73 if (GRU_NUM_TFM * GRU_CACHE_LINE_BYTES > ubufend - ubuf) in gru_dump_tfm()
78 if (gru_user_copy_handle(&ubuf, tfm)) in gru_dump_tfm()
88 void __user *ubuf, void __user *ubufend) in gru_dump_tgh() argument
93 if (GRU_NUM_TGH * GRU_CACHE_LINE_BYTES > ubufend - ubuf) in gru_dump_tgh()
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/linux/arch/x86/kernel/
H A Dsys_ia32.c68 SYSCALL_DEFINE5(ia32_pread64, unsigned int, fd, char __user *, ubuf, in SYSCALL_DEFINE5() argument
71 return ksys_pread64(fd, ubuf, count, in SYSCALL_DEFINE5()
75 SYSCALL_DEFINE5(ia32_pwrite64, unsigned int, fd, const char __user *, ubuf, in SYSCALL_DEFINE5() argument
78 return ksys_pwrite64(fd, ubuf, count, in SYSCALL_DEFINE5()
132 static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat) in cp_stat64() argument
134 typeof(ubuf->st_uid) uid = 0; in cp_stat64()
135 typeof(ubuf->st_gid) gid = 0; in cp_stat64()
138 if (!user_write_access_begin(ubuf, sizeof(struct stat64))) in cp_stat64()
140 unsafe_put_user(huge_encode_dev(stat->dev), &ubuf->st_dev, Efault); in cp_stat64()
141 unsafe_put_user(stat->ino, &ubuf->__st_ino, Efault); in cp_stat64()
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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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H A Dptrace-view.c240 const void __user *ubuf) 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 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 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in gpr_set()
301 const void __user *ubuf) in ppr_set() argument
306 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, in ppr_set()
317 const void __user *ubuf) in dscr_set() argument
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H A Dptrace-vsx.c51 const void *kbuf, const void __user *ubuf) in fpr_set() argument
63 i = user_regset_copyin(&pos, &count, &kbuf, &ubuf, buf, 0, -1); in fpr_set()
128 const void *kbuf, const void __user *ubuf) in vsr_set() argument
141 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in vsr_set()
/linux/drivers/ntb/test/
H A Dntb_tool.c341 static ssize_t tool_fn_read(struct tool_ctx *tc, char __user *ubuf, in tool_fn_read() argument
356 return simple_read_from_buffer(ubuf, size, offp, buf, pos); in tool_fn_read()
360 const char __user *ubuf, in tool_fn_write() argument
373 buf = memdup_user_nul(ubuf, size); in tool_fn_write()
405 static ssize_t tool_port_read(struct file *filep, char __user *ubuf, in tool_port_read() argument
414 return simple_read_from_buffer(ubuf, size, offp, buf, pos); in tool_port_read()
421 static ssize_t tool_peer_port_read(struct file *filep, char __user *ubuf, in tool_peer_port_read() argument
432 return simple_read_from_buffer(ubuf, size, offp, buf, pos); in tool_peer_port_read()
462 static ssize_t tool_link_write(struct file *filep, const char __user *ubuf, in tool_link_write() argument
469 ret = kstrtobool_from_user(ubuf, size, &val); in tool_link_write()
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/linux/drivers/net/wireless/marvell/mwifiex/
H A Ddebugfs.c62 mwifiex_info_read(struct file *file, char __user *ubuf, in mwifiex_info_read() argument
136 ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, in mwifiex_info_read()
166 mwifiex_getlog_read(struct file *file, char __user *ubuf, in mwifiex_getlog_read() argument
223 ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, in mwifiex_getlog_read()
242 mwifiex_histogram_read(struct file *file, char __user *ubuf, in mwifiex_histogram_read() argument
312 ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page, in mwifiex_histogram_read()
321 mwifiex_histogram_write(struct file *file, const char __user *ubuf, in mwifiex_histogram_write() argument
381 mwifiex_debug_read(struct file *file, char __user *ubuf, in mwifiex_debug_read() argument
399 ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page, in mwifiex_debug_read()
418 const char __user *ubuf, size_t count, loff_t *ppos) in mwifiex_regrdwr_write() 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.c270 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()
317 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs64_set()
326 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs64_set()
335 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in genregs64_set()
374 const void *kbuf, const void __user *ubuf) in fpregs64_set() argument
383 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in fpregs64_set()
387 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in fpregs64_set()
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/linux/arch/powerpc/platforms/powernv/
H A Dopal-lpc.c184 static ssize_t lpc_debug_read(struct file *filp, char __user *ubuf, in lpc_debug_read() argument
191 if (!access_ok(ubuf, count)) in lpc_debug_read()
250 rc = __put_user((u32)data, (u32 __user *)ubuf); in lpc_debug_read()
256 rc = __put_user((u16)data, (u16 __user *)ubuf); in lpc_debug_read()
262 rc = __put_user((u8)data, (u8 __user *)ubuf); in lpc_debug_read()
268 ubuf += len; in lpc_debug_read()
275 static ssize_t lpc_debug_write(struct file *filp, const char __user *ubuf, in lpc_debug_write() argument
282 if (!access_ok(ubuf, count)) in lpc_debug_write()
320 rc = __get_user(data, (u32 __user *)ubuf); in lpc_debug_write()
324 rc = __get_user(data, (u16 __user *)ubuf); in lpc_debug_write()
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/linux/arch/loongarch/kernel/
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/riscv/kernel/
H A Dptrace.c47 const void *kbuf, const void __user *ubuf) in riscv_gpr_set() argument
52 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, regs, 0, -1); in riscv_gpr_set()
73 const void *kbuf, const void __user *ubuf) in riscv_fpr_set() argument
78 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, fstate, 0, in riscv_fpr_set()
81 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, fstate, 0, in riscv_fpr_set()
127 const void *kbuf, const void __user *ubuf) in riscv_vr_set() argument
137 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &ptrace_vstate, 0, in riscv_vr_set()
152 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, vstate->datap, in riscv_vr_set()
185 const void *kbuf, const void __user *ubuf) in tagged_addr_ctrl_set() argument
190 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &ctrl, 0, -1); in tagged_addr_ctrl_set()
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/linux/drivers/scsi/fnic/
H A Dfnic_debugfs.c102 char __user *ubuf, in fnic_trace_ctrl_read() argument
119 return simple_read_from_buffer(ubuf, cnt, ppos, buf, len); in fnic_trace_ctrl_read()
140 const char __user *ubuf, in fnic_trace_ctrl_write() argument
152 if (copy_from_user(&buf, ubuf, cnt)) in fnic_trace_ctrl_write()
274 char __user *ubuf, in fnic_trace_debugfs_read() argument
280 rc = simple_read_from_buffer(ubuf, nbytes, pos, in fnic_trace_debugfs_read()
466 char __user *ubuf, in fnic_reset_stats_read() argument
476 return simple_read_from_buffer(ubuf, cnt, ppos, buf, len); in fnic_reset_stats_read()
494 const char __user *ubuf, in fnic_reset_stats_write() argument
509 if (copy_from_user(&buf, ubuf, cnt)) in fnic_reset_stats_write()
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/linux/arch/x86/kernel/cpu/mce/
H A Ddev-mcelog.c162 static int __mce_read_apei(char __user **ubuf, size_t usize) in __mce_read_apei() argument
184 if (copy_to_user(*ubuf, &m, sizeof(struct mce))) in __mce_read_apei()
197 *ubuf += sizeof(struct mce); in __mce_read_apei()
202 static ssize_t mce_chrdev_read(struct file *filp, char __user *ubuf, in mce_chrdev_read() argument
205 char __user *buf = ubuf; in mce_chrdev_read()
213 if (err || buf != ubuf) in mce_chrdev_read()
241 return err ? err : buf - ubuf; in mce_chrdev_read()
286 static ssize_t mce_chrdev_write(struct file *filp, const char __user *ubuf, in mce_chrdev_write() argument
302 if (copy_from_user(&m, ubuf, usize)) in mce_chrdev_write()
/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/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()
/linux/drivers/bluetooth/
H A Dbtmrvl_debugfs.c22 const char __user *ubuf, size_t count, loff_t *ppos) in btmrvl_hscfgcmd_write() argument
27 ret = kstrtol_from_user(ubuf, count, 10, &result); in btmrvl_hscfgcmd_write()
61 static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf, in btmrvl_pscmd_write() argument
67 ret = kstrtol_from_user(ubuf, count, 10, &result); in btmrvl_pscmd_write()
101 static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf, in btmrvl_hscmd_write() argument
107 ret = kstrtol_from_user(ubuf, count, 10, &result); in btmrvl_hscmd_write()
/linux/include/linux/
H A Dregset.h120 const void *kbuf, const void __user *ubuf);
265 const void __user **ubuf, void *data, in user_regset_copyin() argument
278 } else if (__copy_from_user(data, *ubuf, copy)) in user_regset_copyin()
281 *ubuf += copy; in user_regset_copyin()
291 const void __user **ubuf, in user_regset_copyin_ignore() argument
304 *ubuf += copy; in user_regset_copyin_ignore()
/linux/arch/mips/kernel/
H A Dptrace.c231 const void *kbuf, const void __user *ubuf) in gpr32_set() argument
244 err = user_regset_copyin(&pos, &count, &kbuf, &ubuf, uregs, 0, in gpr32_set()
296 const void *kbuf, const void __user *ubuf) in gpr64_set() argument
309 err = user_regset_copyin(&pos, &count, &kbuf, &ubuf, uregs, 0, in gpr64_set()
461 const void **kbuf, const void __user **ubuf) in fpr_set_fpa() argument
463 return user_regset_copyin(pos, count, kbuf, ubuf, in fpr_set_fpa()
476 const void **kbuf, const void __user **ubuf) in fpr_set_msa() argument
484 err = user_regset_copyin(pos, count, kbuf, ubuf, in fpr_set_msa()
510 const void *kbuf, const void __user *ubuf) in fpr_set() argument
525 err = fpr_set_fpa(target, &pos, &count, &kbuf, &ubuf); in fpr_set()
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/linux/arch/nios2/kernel/
H A Dptrace.c49 const void *kbuf, const void __user *ubuf) in genregs_set() argument
57 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, \ in genregs_set()
62 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, \ in genregs_set()
67 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, \ in genregs_set()
83 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in genregs_set()
/linux/arch/x86/um/
H A Dptrace.c150 const void *kbuf, const void __user *ubuf) in fpregs_legacy_set() argument
156 if (ubuf) { in fpregs_legacy_set()
157 if (copy_from_user(&buf, ubuf, sizeof(buf))) in fpregs_legacy_set()
182 const void *kbuf, const void __user *ubuf) in genregs_set() argument
195 const unsigned long __user *u = ubuf; in genregs_set()
229 const void *kbuf, const void __user *ubuf) in generic_fpregs_set() argument
233 return user_regset_copyin(&pos, &count, &kbuf, &ubuf, in generic_fpregs_set()
/linux/arch/powerpc/kernel/
H A Dsys_ppc32.c72 char __user *, ubuf, compat_size_t, count, in PPC32_SYSCALL_DEFINE6() argument
75 return ksys_pread64(fd, ubuf, count, merge_64(pos1, pos2)); in PPC32_SYSCALL_DEFINE6()
80 const char __user *, ubuf, compat_size_t, count, in PPC32_SYSCALL_DEFINE6() argument
83 return ksys_pwrite64(fd, ubuf, count, merge_64(pos1, pos2)); in PPC32_SYSCALL_DEFINE6()
/linux/arch/parisc/kernel/
H A Dptrace.c414 const void *kbuf, const void __user *ubuf) in fpr_set() argument
418 const __u64 __user *u = ubuf; in fpr_set()
435 ubuf = u; in fpr_set()
438 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in fpr_set()
534 const void *kbuf, const void __user *ubuf) in gpr_set() argument
538 const unsigned long __user *u = ubuf; in gpr_set()
555 ubuf = u; in gpr_set()
558 user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, in gpr_set()
598 const void *kbuf, const void __user *ubuf) in gpr32_set() argument
602 const compat_ulong_t __user *u = ubuf; in gpr32_set()
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