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/linux/drivers/platform/wmi/
H A Dmarshalling.c20 static int wmi_adjust_buffer_length(size_t *length, const union acpi_object *obj) in wmi_adjust_buffer_length() argument
36 * the string length in bytes and are encoded as UTF-16LE with a terminating in wmi_adjust_buffer_length()
39 if (obj->string.length + 1 > U16_MAX / 2) in wmi_adjust_buffer_length()
43 size = struct_size_t(struct wmi_string, chars, obj->string.length + 1); in wmi_adjust_buffer_length()
50 size = obj->buffer.length; in wmi_adjust_buffer_length()
56 *length = size_add(ALIGN(*length, alignment), size); in wmi_adjust_buffer_length()
61 static int wmi_obj_get_buffer_length(const union acpi_object *obj, size_t *length) in wmi_obj_get_buffer_length() argument
78 *length = total; in wmi_obj_get_buffer_length()
86 size_t length; in wmi_obj_transform_simple() local
93 length = sizeof(value); in wmi_obj_transform_simple()
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/linux/sound/usb/line6/
H A Dmidibuf.c20 static const int length[] = { 3, 3, 3, 3, 2, 2, 3 }; in midibuf_message_length() local
22 message_length = length[(code >> 4) - 8]; in midibuf_message_length()
24 static const int length[] = { -1, 2, 2, 2, -1, -1, 1, 1, 1, -1, in midibuf_message_length() local
27 message_length = length[code & 0x0f]; in midibuf_message_length()
81 int length) in line6_midibuf_write() argument
87 if (midibuf_is_full(this) || (length <= 0)) in line6_midibuf_write()
91 if (data[length - 1] == 0xfe) { in line6_midibuf_write()
92 --length; in line6_midibuf_write()
98 if (length > bytes_free) in line6_midibuf_write()
99 length = bytes_free; in line6_midibuf_write()
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/linux/drivers/video/fbdev/mmp/fb/
H A Dmmpfb.c25 if (var->bits_per_pixel == 16 && var->red.length == 8 && in var_to_pixfmt()
26 var->green.length == 4 && var->blue.length == 4) { in var_to_pixfmt()
36 if (var->bits_per_pixel == 12 && var->red.length == 8 && in var_to_pixfmt()
37 var->green.length == 2 && var->blue.length == 2) { in var_to_pixfmt()
47 if (var->bits_per_pixel == 16 && var->red.length == 16 && in var_to_pixfmt()
48 var->green.length == 16 && var->blue.length == 16) { in var_to_pixfmt()
60 if (var->bits_per_pixel == 16 && var->red.length <= 5 && in var_to_pixfmt()
61 var->green.length <= 6 && var->blue.length <= 5) { in var_to_pixfmt()
62 if (var->transp.length == 0) { in var_to_pixfmt()
73 if (var->bits_per_pixel <= 32 && var->red.length <= 8 && in var_to_pixfmt()
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/linux/security/selinux/
H A Dselinuxfs.c127 ssize_t length; in sel_read_enforce() local
129 length = scnprintf(tmpbuf, TMPBUFLEN, "%d", in sel_read_enforce()
131 return simple_read_from_buffer(buf, count, ppos, tmpbuf, length); in sel_read_enforce()
140 ssize_t length; in sel_write_enforce() local
155 length = -EINVAL; in sel_write_enforce()
163 length = avc_has_perm(current_sid(), SECINITSID_SECURITY, in sel_write_enforce()
166 if (length) in sel_write_enforce()
184 length = count; in sel_write_enforce()
187 return length; in sel_write_enforce()
203 ssize_t length; in sel_read_handle_unknown() local
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/linux/drivers/net/ethernet/netronome/nfp/
H A Dnfp_net_ctrl.c23 unsigned int length, unsigned int offset, in nfp_net_tls_parse_crypto_ops() argument
30 if (length < 32) { in nfp_net_tls_parse_crypto_ops()
33 length, offset); in nfp_net_tls_parse_crypto_ops()
58 unsigned int length, offset; in nfp_net_tlv_caps_parse() local
61 length = FIELD_GET(NFP_NET_CFG_TLV_HEADER_LENGTH, hdr); in nfp_net_tlv_caps_parse()
67 if (length % NFP_NET_CFG_TLV_LENGTH_INC) { in nfp_net_tlv_caps_parse()
69 NFP_NET_CFG_TLV_LENGTH_INC, offset, length); in nfp_net_tlv_caps_parse()
72 if (data + length > end) { in nfp_net_tlv_caps_parse()
74 offset, length); in nfp_net_tlv_caps_parse()
85 if (!length) in nfp_net_tlv_caps_parse()
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/linux/drivers/acpi/acpica/
H A Dexstorob.c33 u32 length; in acpi_ex_store_buffer_to_buffer() local
47 length = source_desc->buffer.length; in acpi_ex_store_buffer_to_buffer()
50 * If target is a buffer of length zero or is a static buffer, in acpi_ex_store_buffer_to_buffer()
51 * allocate a new buffer of the proper length in acpi_ex_store_buffer_to_buffer()
53 if ((target_desc->buffer.length == 0) || in acpi_ex_store_buffer_to_buffer()
55 target_desc->buffer.pointer = ACPI_ALLOCATE(length); in acpi_ex_store_buffer_to_buffer()
60 target_desc->buffer.length = length; in acpi_ex_store_buffer_to_buffer()
65 if (length <= target_desc->buffer.length) { in acpi_ex_store_buffer_to_buffer()
70 target_desc->buffer.length); in acpi_ex_store_buffer_to_buffer()
71 memcpy(target_desc->buffer.pointer, buffer, length); in acpi_ex_store_buffer_to_buffer()
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H A Dacpredef.h19 * ACPI_PTYPE1_FIXED: Fixed-length length, 1 or 2 object types:
25 * ACPI_PTYPE1_VAR: Variable-length length. Zero-length package is allowed:
32 * 2) PTYPE2 packages contain a Variable-length number of subpackages. Each
35 * ACPI_PTYPE2: Each subpackage contains 1 or 2 object types. Zero-length
44 * Zero-length parent package is allowed:
55 * ACPI_PTYPE2_FIXED: Each subpackage is of Fixed-length. Zero-length
59 * ACPI_PTYPE2_MIN: Each subpackage has a Variable-length but minimum length.
60 * Zero-length parent package is allowed:
63 * ACPI_PTYPE2_REV_FIXED: Revision at start, each subpackage is Fixed-length
66 * ACPI_PTYPE2_FIX_VAR: Each subpackage consists of some fixed-length elements
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H A Dutresrc.c73 * Resource types, used to validate the resource length field.
74 * The length of fixed-length types must match exactly, variable
75 * lengths must meet the minimum required length, etc.
128 * aml_length - Length of the entire template
149 u32 length; in acpi_ut_walk_aml_resources() local
165 /* Walk the byte list, abort on any invalid descriptor type or length */ in acpi_ut_walk_aml_resources()
169 /* Validate the Resource Type and Resource Length */ in acpi_ut_walk_aml_resources()
176 * length may be bogus also. in acpi_ut_walk_aml_resources()
181 /* Get the length of this descriptor */ in acpi_ut_walk_aml_resources()
183 length = acpi_ut_get_descriptor_length(aml); in acpi_ut_walk_aml_resources()
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/linux/Documentation/arch/arm64/
H A Dsme.rst21 * PSTATE.SM, PSTATE.ZA, the streaming mode vector length, the ZA and (when
78 SME defines a second vector length similar to the SVE vector length which
100 length, the state of the PR_SME_VL_INHERIT flag, and the deferred vector
101 length (if any), is preserved across all syscalls, subject to the specific
117 the thread's vector length (in za_context.vl).
157 * The vector length cannot be changed via signal return. If za_context.vl in
158 the signal frame does not match the current vector length, the signal return
169 length:
173 Sets the vector length of the calling thread and related flags, where
176 vl is the desired vector length, where sve_vl_valid(vl) must be true.
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H A Dsve.rst25 * SVE registers Z0..Z31, P0..P15 and FFR and the current vector length VL, are
66 separate SME vector length and the same Z/V registers. See sme.rst
90 2. Vector length terminology
93 The size of an SVE vector (Z) register is referred to as the "vector length".
95 To avoid confusion about the units used to express vector length, the kernel
98 * Vector length (VL) = size of a Z-register in bytes
121 length, the state of the PR_SVE_VL_INHERIT flag, and the deferred vector
122 length (if any), is preserved across all syscalls, subject to the specific
141 if set indicates that the thread is in streaming mode and the vector length
143 length.
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/linux/drivers/net/fjes/
H A Dfjes_trace.h54 __field(int, length)
62 __entry->length = res_buf->info.length;
71 TP_printk("res_buf=[length=%d, code=%d, es_zones=%s, es_status=%s]",
72 __entry->length, __entry->code,
98 __field(int, length)
110 __entry->length = req_buf->share_buffer.length;
119 …TP_printk("req_buf=[length=%d, epid=%d], TX=[phy=0x%016llx, size=%zu], RX=[phy=0x%016llx, size=%zu…
120 __entry->length, __entry->epid, __entry->tx, __entry->tx_size,
128 __field(int, length)
133 __entry->length = res_buf->share_buffer.length;
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/linux/drivers/infiniband/sw/rxe/
H A Drxe_opcode.c123 .length = RXE_BTH_BYTES,
133 .length = RXE_BTH_BYTES,
143 .length = RXE_BTH_BYTES,
153 .length = RXE_BTH_BYTES + RXE_IMMDT_BYTES,
166 .length = RXE_BTH_BYTES,
177 .length = RXE_BTH_BYTES + RXE_IMMDT_BYTES,
189 .length = RXE_BTH_BYTES + RXE_RETH_BYTES,
201 .length = RXE_BTH_BYTES,
211 .length = RXE_BTH_BYTES,
222 .length = RXE_BTH_BYTES + RXE_IMMDT_BYTES,
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/linux/drivers/video/fbdev/
H A D68328fb.c113 u_long length; in get_line_length() local
115 length = xres_virtual * bpp; in get_line_length()
116 length = (length + 31) & ~31; in get_line_length()
117 length >>= 3; in get_line_length()
118 return (length); in get_line_length()
190 var->red.length = 1; in mc68x328fb_check_var()
192 var->green.length = 1; in mc68x328fb_check_var()
194 var->blue.length = 1; in mc68x328fb_check_var()
196 var->transp.length = 0; in mc68x328fb_check_var()
200 var->red.length = 8; in mc68x328fb_check_var()
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/linux/tools/testing/selftests/mm/
H A Dmap_hugetlb.c16 #define LENGTH (256UL*1024*1024) macro
24 static void write_bytes(char *addr, size_t length) in write_bytes() argument
28 for (i = 0; i < length; i++) in write_bytes()
32 static void read_bytes(char *addr, size_t length) in read_bytes() argument
37 for (i = 0; i < length; i++) in read_bytes()
48 size_t length = LENGTH; in main() local
53 /* munmap with fail if the length is not page aligned */ in main()
54 if (hugepage_size > length) in main()
55 length = hugepage_size; in main()
61 length = atol(argv[1]) << 20; in main()
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/linux/include/linux/
H A Dbcm963xx_tag.h7 #define TAGVER_LEN 4 /* Length of Tag Version */
8 #define TAGLAYOUT_LEN 4 /* Length of FlashLayoutVer */
9 #define SIG1_LEN 20 /* Company Signature 1 Length */
10 #define SIG2_LEN 14 /* Company Signature 2 Length */
11 #define BOARDID_LEN 16 /* Length of BoardId */
12 #define ENDIANFLAG_LEN 2 /* Endian Flag Length */
13 #define CHIPID_LEN 6 /* Chip Id Length */
14 #define IMAGE_LEN 10 /* Length of Length Field */
15 #define ADDRESS_LEN 12 /* Length of Address field */
16 #define IMAGE_SEQUENCE_LEN 4 /* Image sequence Length */
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/linux/fs/squashfs/
H A Dblock.c80 struct address_space *cache_mapping, u64 index, int length, in squashfs_bio_read_cached() argument
107 * Compare these to the original required index and length to in squashfs_bio_read_cached()
114 else if (idx == page_count - 1 && index + length != read_end) in squashfs_bio_read_cached()
216 static int squashfs_bio_read(struct super_block *sb, u64 index, int length, in squashfs_bio_read() argument
223 const u64 read_end = round_up(index + length, msblk->devblksize); in squashfs_bio_read()
263 length, read_start, read_end, in squashfs_bio_read()
282 * Read and decompress a metadata block or datablock. Length is non-zero
284 * filesystem), otherwise the length is obtained from the first two bytes of
285 * the metadata block. A bit in the length field indicates if the block
290 int squashfs_read_data(struct super_block *sb, u64 index, int length, in squashfs_read_data() argument
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H A Dcache.c53 struct squashfs_cache *cache, u64 block, int length) in squashfs_cache_get() argument
110 entry->length = squashfs_read_data(sb, block, length, in squashfs_cache_get()
115 if (entry->length < 0) in squashfs_cache_get()
116 entry->error = entry->length; in squashfs_cache_get()
293 * Copy up to length bytes from cache entry to buffer starting at offset bytes
294 * into the cache entry. If there's not length bytes then copy the number of
298 int offset, int length) in squashfs_copy_data() argument
300 int remaining = length; in squashfs_copy_data()
302 if (length == 0) in squashfs_copy_data()
305 return min(length, entry->length - offset); in squashfs_copy_data()
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/linux/include/rdma/
H A Drdmavt_mr.h21 size_t length; member
35 size_t length; member
70 u32 sge_length; /* length of the SGE */
71 u32 length; /* remaining length of the segment */ member
102 static inline u32 rvt_get_sge_length(struct rvt_sge *sge, u32 length) in rvt_get_sge_length() argument
104 u32 len = sge->length; in rvt_get_sge_length()
106 if (len > length) in rvt_get_sge_length()
107 len = length; in rvt_get_sge_length()
114 static inline void rvt_update_sge(struct rvt_sge_state *ss, u32 length, in rvt_update_sge() argument
119 sge->vaddr += length; in rvt_update_sge()
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/linux/drivers/net/arcnet/
H A Darc-rawmode.c40 struct archdr *pkthdr, int length) in rx() argument
47 arc_printk(D_DURING, dev, "it's a raw packet (length=%d)\n", length); in rx()
49 if (length > MTU) in rx()
50 ofs = 512 - length; in rx()
52 ofs = 256 - length; in rx()
54 skb = alloc_skb(length + ARC_HDR_SIZE, GFP_ATOMIC); in rx()
59 skb_put(skb, length + ARC_HDR_SIZE); in rx()
69 if (length > sizeof(pkt->soft)) in rx()
72 length - sizeof(pkt->soft)); in rx()
113 static int prepare_tx(struct net_device *dev, struct archdr *pkt, int length, in prepare_tx() argument
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H A Dcapmode.c43 struct archdr *pkthdr, int length) in rx() argument
51 arc_printk(D_DURING, dev, "it's a raw(cap) packet (length=%d)\n", in rx()
52 length); in rx()
54 if (length >= MinTU) in rx()
55 ofs = 512 - length; in rx()
57 ofs = 256 - length; in rx()
59 skb = alloc_skb(length + ARC_HDR_SIZE + sizeof(int), GFP_ATOMIC); in rx()
64 skb_put(skb, length + ARC_HDR_SIZE + sizeof(int)); in rx()
82 if (length > sizeof(pkt->soft)) in rx()
86 length - sizeof(pkt->soft)); in rx()
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H A Drfc1051.c41 struct archdr *pkthdr, int length);
44 static int prepare_tx(struct net_device *dev, struct archdr *pkt, int length,
123 struct archdr *pkthdr, int length) in rx() argument
130 arc_printk(D_DURING, dev, "it's a raw packet (length=%d)\n", length); in rx()
132 if (length >= MinTU) in rx()
133 ofs = 512 - length; in rx()
135 ofs = 256 - length; in rx()
137 skb = alloc_skb(length + ARC_HDR_SIZE, GFP_ATOMIC); in rx()
142 skb_put(skb, length + ARC_HDR_SIZE); in rx()
149 if (length > sizeof(pkt->soft)) in rx()
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/linux/Documentation/driver-api/cxl/platform/example-configurations/
H A Dflexible.rst25 Length : 0020
30 Register length : 0000000000010000
34 Length : 0020
39 Register length : 0000000000010000
43 Length : 002C
58 Length : 002C
72 Length : 002C
86 Length : 002C
100 Length : 002C
114 Length : 002C
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/linux/fs/verity/
H A Dread_metadata.c18 void __user *buf, u64 offset, int length) in fsverity_read_merkle_tree() argument
27 end_offset = min(offset + length, vi->tree_params.tree_size); in fsverity_read_merkle_tree()
91 static int fsverity_read_buffer(void __user *dst, u64 offset, int length, in fsverity_read_buffer() argument
99 length = min_t(size_t, length, src_length); in fsverity_read_buffer()
101 if (copy_to_user(dst, src, length)) in fsverity_read_buffer()
104 return length; in fsverity_read_buffer()
108 void __user *buf, u64 offset, int length) in fsverity_read_descriptor() argument
122 res = fsverity_read_buffer(buf, offset, length, desc, desc_size); in fsverity_read_descriptor()
129 void __user *buf, u64 offset, int length) in fsverity_read_signature() argument
147 res = fsverity_read_buffer(buf, offset, length, desc->signature, in fsverity_read_signature()
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/linux/drivers/net/wireless/ath/ath10k/
H A Dbmi.c74 ath10k_warn(ar, "invalid get_target_info response length (%d)\n", in ath10k_bmi_get_target_info()
121 /* Step 1b: Read the version length */ in ath10k_bmi_get_target_info_sdio()
133 /* Step 2: Check the target info length */ in ath10k_bmi_get_target_info_sdio()
157 u32 address, void *buffer, u32 length) in ath10k_bmi_read_memory() argument
165 ath10k_dbg(ar, ATH10K_DBG_BMI, "bmi read address 0x%x length %d\n", in ath10k_bmi_read_memory()
166 address, length); in ath10k_bmi_read_memory()
173 while (length) { in ath10k_bmi_read_memory()
174 rxlen = min_t(u32, length, BMI_MAX_DATA_SIZE); in ath10k_bmi_read_memory()
191 length -= rxlen; in ath10k_bmi_read_memory()
262 u32 address, const void *buffer, u32 length) in ath10k_bmi_write_memory() argument
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/linux/include/uapi/linux/
H A Dvirtio_crypto.h89 /* length of key */
126 /* hash result length */
154 /* hash result length */
156 /* length of authenticated key */
172 /* length of key */
174 /* hash result length */
176 /* length of the additional authenticated data (AAD) in bytes */
257 /* length of the additional authenticated data (AAD) in bytes */
349 * Byte Length of valid IV/Counter
352 * SNOW3G in UEA2 mode, this is the length of the IV (which
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