| /Linux-v5.15/arch/arm/kernel/ |
| D | atags_compat.c | 13 * to convert to the new struct tag way.
81 static struct tag * __init memtag(struct tag *tag, unsigned long start, unsigned long size) in memtag() argument
83 tag = tag_next(tag); in memtag()
84 tag->hdr.tag = ATAG_MEM; in memtag()
85 tag->hdr.size = tag_size(tag_mem32); in memtag()
86 tag->u.mem.size = size; in memtag()
87 tag->u.mem.start = start; in memtag()
89 return tag; in memtag()
94 struct tag *tag = taglist; in build_tag_list() local
119 tag->hdr.tag = ATAG_CORE; in build_tag_list()
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| D | atags_parse.c | 3 * Tag parsing.
11 * of variable-sized tags to the kernel. The first tag must be a ATAG_CORE
12 * tag for the list to be recognised (to distinguish the tagged list from
13 * a param_struct). The list is terminated with a zero-length tag (this tag
53 static int __init parse_tag_core(const struct tag *tag) in parse_tag_core() argument
55 if (tag->hdr.size > 2) { in parse_tag_core()
56 if ((tag->u.core.flags & 1) == 0) in parse_tag_core()
58 ROOT_DEV = old_decode_dev(tag->u.core.rootdev); in parse_tag_core()
65 static int __init parse_tag_mem32(const struct tag *tag) in parse_tag_mem32() argument
67 return arm_add_memory(tag->u.mem.start, tag->u.mem.size); in parse_tag_mem32()
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| D | atags_proc.c | 28 void __init save_atags(const struct tag *tags) in save_atags()
40 struct tag *tag = (struct tag *)atags_copy; in init_atags_procfs() local
44 if (tag->hdr.tag != ATAG_CORE) { in init_atags_procfs()
49 for (; tag->hdr.size; tag = tag_next(tag)) in init_atags_procfs()
53 size = (char *)tag - atags_copy + sizeof(struct tag_header); in init_atags_procfs()
55 WARN_ON(tag->hdr.tag != ATAG_NONE); in init_atags_procfs()
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| /Linux-v5.15/arch/mips/include/asm/octeon/ |
| D | cvmx-pow.h | 38 * - Requesting a POW operation with an active tag switch in
40 * - Waiting for a tag switch to complete for an excessively
43 * - Illegal tag switches from NULL_NULL.
44 * - Illegal tag switches from NULL.
65 /* Tag ordering is maintained */
67 /* Tag ordering is maintained, and at most one PP has the tag */
70 * The work queue entry from the order - NEVER tag switch from
74 /* A tag switch to NULL, and there is no space reserved in POW
75 * - NEVER tag switch to NULL_NULL
76 * - NEVER tag switch from NULL_NULL
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| /Linux-v5.15/fs/fscache/ |
| D | cache.c | 21 * look up a cache tag
25 struct fscache_cache_tag *tag, *xtag; in __fscache_lookup_cache_tag() local
27 /* firstly check for the existence of the tag under read lock */ in __fscache_lookup_cache_tag()
30 list_for_each_entry(tag, &fscache_cache_tag_list, link) { in __fscache_lookup_cache_tag()
31 if (strcmp(tag->name, name) == 0) { in __fscache_lookup_cache_tag()
32 atomic_inc(&tag->usage); in __fscache_lookup_cache_tag()
34 return tag; in __fscache_lookup_cache_tag()
40 /* the tag does not exist - create a candidate */ in __fscache_lookup_cache_tag()
43 /* return a dummy tag if out of memory */ in __fscache_lookup_cache_tag()
52 list_for_each_entry(tag, &fscache_cache_tag_list, link) { in __fscache_lookup_cache_tag()
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| /Linux-v5.15/drivers/net/ethernet/mellanox/mlx5/core/steering/ |
| D | dr_ste_v1.c | 338 u8 *tag = hw_ste_p + DR_STE_SIZE_CTRL; in dr_ste_v1_prepare_for_postsend() local
339 u8 *mask = tag + DR_STE_SIZE_TAG; in dr_ste_v1_prepare_for_postsend()
347 /* Backup tag */ in dr_ste_v1_prepare_for_postsend()
348 memcpy(tmp_tag, tag, DR_STE_SIZE_TAG); in dr_ste_v1_prepare_for_postsend()
350 /* Swap mask and tag both are the same size */ in dr_ste_v1_prepare_for_postsend()
351 memcpy(tag, mask, DR_STE_SIZE_MASK); in dr_ste_v1_prepare_for_postsend()
943 u8 *tag) in dr_ste_v1_build_eth_l2_src_dst_tag() argument
947 DR_STE_SET_TAG(eth_l2_src_dst_v1, tag, dmac_47_16, spec, dmac_47_16); in dr_ste_v1_build_eth_l2_src_dst_tag()
948 DR_STE_SET_TAG(eth_l2_src_dst_v1, tag, dmac_15_0, spec, dmac_15_0); in dr_ste_v1_build_eth_l2_src_dst_tag()
950 DR_STE_SET_TAG(eth_l2_src_dst_v1, tag, smac_47_16, spec, smac_47_16); in dr_ste_v1_build_eth_l2_src_dst_tag()
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| D | dr_ste_v0.c | 735 u8 *tag) in dr_ste_v0_build_eth_l2_src_dst_tag() argument
739 DR_STE_SET_TAG(eth_l2_src_dst, tag, dmac_47_16, spec, dmac_47_16); in dr_ste_v0_build_eth_l2_src_dst_tag()
740 DR_STE_SET_TAG(eth_l2_src_dst, tag, dmac_15_0, spec, dmac_15_0); in dr_ste_v0_build_eth_l2_src_dst_tag()
743 MLX5_SET(ste_eth_l2_src_dst, tag, smac_47_32, in dr_ste_v0_build_eth_l2_src_dst_tag()
745 MLX5_SET(ste_eth_l2_src_dst, tag, smac_31_0, in dr_ste_v0_build_eth_l2_src_dst_tag()
753 MLX5_SET(ste_eth_l2_src_dst, tag, l3_type, STE_IPV4); in dr_ste_v0_build_eth_l2_src_dst_tag()
756 MLX5_SET(ste_eth_l2_src_dst, tag, l3_type, STE_IPV6); in dr_ste_v0_build_eth_l2_src_dst_tag()
763 DR_STE_SET_TAG(eth_l2_src_dst, tag, first_vlan_id, spec, first_vid); in dr_ste_v0_build_eth_l2_src_dst_tag()
764 DR_STE_SET_TAG(eth_l2_src_dst, tag, first_cfi, spec, first_cfi); in dr_ste_v0_build_eth_l2_src_dst_tag()
765 DR_STE_SET_TAG(eth_l2_src_dst, tag, first_priority, spec, first_prio); in dr_ste_v0_build_eth_l2_src_dst_tag()
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| D | dr_ste.h | 25 #define DR_STE_SET_VAL(lookup_type, tag, t_fname, spec, s_fname, value) do { \ argument
27 MLX5_SET(ste_##lookup_type, tag, t_fname, value); \
32 /* Set to STE spec->s_fname to tag->t_fname set spec->s_fname as used */
33 #define DR_STE_SET_TAG(lookup_type, tag, t_fname, spec, s_fname) \ argument
34 DR_STE_SET_VAL(lookup_type, tag, t_fname, spec, s_fname, spec->s_fname)
36 /* Set to STE -1 to tag->t_fname and set spec->s_fname as used */
37 #define DR_STE_SET_ONES(lookup_type, tag, t_fname, spec, s_fname) \ argument
38 DR_STE_SET_VAL(lookup_type, tag, t_fname, spec, s_fname, -1)
40 #define DR_STE_SET_TCP_FLAGS(lookup_type, tag, spec) do { \ argument
41 MLX5_SET(ste_##lookup_type, tag, tcp_ns, !!((spec)->tcp_flags & (1 << 8))); \
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| /Linux-v5.15/tools/testing/selftests/arm64/mte/ |
| D | mte_helper.S | 17 * mte_insert_random_tag: Insert random tag and might be same as the source tag if
20 * x0 - source pointer with a tag/no-tag
22 * x0 - pointer with random tag
30 * mte_insert_new_tag: Insert new tag and different from the source tag if
33 * x0 - source pointer with a tag/no-tag
35 * x0 - pointer with random tag
44 * mte_get_tag_address: Get the tag from given address.
48 * x0 - pointer with appended tag
56 * mte_set_tag_address_range: Set the tag range from the given address
58 * x0 - source pointer with tag data
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| D | check_tags_inclusion.c | 46 int tag, run, result = KSFT_PASS; in check_single_included_tags() local
53 for (tag = 0; (tag < MT_TAG_COUNT) && (result == KSFT_PASS); tag++) { in check_single_included_tags()
54 mte_switch_mode(mode, MT_INCLUDE_VALID_TAG(tag)); in check_single_included_tags()
55 /* Try to catch a excluded tag by a number of tries. */ in check_single_included_tags()
58 /* Check tag value */ in check_single_included_tags()
59 if (MT_FETCH_TAG((uintptr_t)ptr) == tag) { in check_single_included_tags()
60 ksft_print_msg("FAIL: wrong tag = 0x%x with include mask=0x%x\n", in check_single_included_tags()
62 MT_INCLUDE_VALID_TAG(tag)); in check_single_included_tags()
76 int tag, run, result = KSFT_PASS; in check_multiple_included_tags() local
84 for (tag = 0; (tag < MT_TAG_COUNT - 1) && (result == KSFT_PASS); tag++) { in check_multiple_included_tags()
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| /Linux-v5.15/net/dsa/ |
| D | Kconfig | 22 tristate "Tag driver for Atheros AR9331 SoC with built-in switch"
32 tristate "Tag driver for Broadcom switches using in-frame headers"
36 Broadcom switches which place the tag after the MAC source address.
39 tristate "Tag driver for Broadcom legacy switches using in-frame headers"
43 Broadcom legacy switches which place the tag after the MAC source
47 tristate "Tag driver for Broadcom switches using prepended headers"
51 Broadcom switches which places the tag before the Ethernet header
55 tristate "Tag driver for Hirschmann Hellcreek TSN switches"
61 tristate "Tag driver for Lantiq / Intel GSWIP switches"
70 tristate "Tag driver for Marvell switches using DSA headers"
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| D | tag_brcm.c | 3 * Broadcom tag support
15 /* Legacy Broadcom tag (6 bytes) */
19 /* 1st byte in the tag */
21 /* 2nd byte in the tag */
24 /* Tag fields */
25 /* 3rd byte in the tag */
31 /* 6th byte in the tag */
34 /* Newer Broadcom tag (4 bytes) */
37 /* Tag is constructed and desconstructed using byte by byte access
38 * because the tag is placed after the MAC Source Address, which does
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| D | tag_ksz.c | 3 * net/dsa/tag_ksz.c - Microchip KSZ Switch tag format handling
13 /* Typically only one byte is used for tail tag. */
35 * DA(6bytes)|SA(6bytes)|....|Data(nbytes)|tag(1byte)|FCS(4bytes)
37 * tag : each bit represents port (eg, 0x01=port1, 0x02=port2, 0x10=port5)
53 u8 *tag; in ksz8795_xmit() local
59 /* Tag encoding */ in ksz8795_xmit()
60 tag = skb_put(skb, KSZ_INGRESS_TAG_LEN); in ksz8795_xmit()
63 *tag = 1 << dp->index; in ksz8795_xmit()
65 *tag |= KSZ8795_TAIL_TAG_OVERRIDE; in ksz8795_xmit()
72 u8 *tag = skb_tail_pointer(skb) - KSZ_EGRESS_TAG_LEN; in ksz8795_rcv() local
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| /Linux-v5.15/drivers/net/ethernet/netronome/nfp/ |
| D | ccm.c | 38 static void nfp_ccm_free_tag(struct nfp_ccm *ccm, u16 tag) in nfp_ccm_free_tag() argument
40 WARN_ON(!__test_and_clear_bit(tag, ccm->tag_allocator)); in nfp_ccm_free_tag()
47 static struct sk_buff *__nfp_ccm_reply(struct nfp_ccm *ccm, u16 tag) in __nfp_ccm_reply() argument
54 if (msg_tag == tag) { in __nfp_ccm_reply()
55 nfp_ccm_free_tag(ccm, tag); in __nfp_ccm_reply()
65 nfp_ccm_reply(struct nfp_ccm *ccm, struct nfp_app *app, u16 tag) in nfp_ccm_reply() argument
70 skb = __nfp_ccm_reply(ccm, tag); in nfp_ccm_reply()
77 nfp_ccm_reply_drop_tag(struct nfp_ccm *ccm, struct nfp_app *app, u16 tag) in nfp_ccm_reply_drop_tag() argument
82 skb = __nfp_ccm_reply(ccm, tag); in nfp_ccm_reply_drop_tag()
84 nfp_ccm_free_tag(ccm, tag); in nfp_ccm_reply_drop_tag()
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| /Linux-v5.15/Documentation/netlabel/ |
| D | draft-ietf-cipso-ipsecurity-01.txt | 142 3.4 Tag Types
146 information relevant to the data in the IP packet. Each tag begins with
147 a tag type identifier followed by the length of the tag and ends with the
148 actual security information to be passed. All multi-octet fields in a tag
151 all tags, as well as fields within a tag, are not aligned on any particular
152 octet boundary. The tag types defined in this document contain alignment
156 CIPSO tag types 0 through 127 are reserved for defining standard tag
157 formats. Their definitions will be published in RFCs. Tag types whose
159 only be meaningful in certain Domains of Interpretation. For these tag
160 types, implementations will require the DOI identifier as well as the tag
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| /Linux-v5.15/drivers/staging/media/atomisp/pci/hive_isp_css_shared/host/ |
| D | tag.c | 16 #include "tag.h"
22 * @brief Creates the tag description from the given parameters.
44 * @brief Encodes the members of tag description into a 32-bit value.
45 * @param[in] tag Pointer to the tag description
46 * @return (unsigned int) Encoded 32-bit tag-info
49 sh_css_encode_tag_descr(struct sh_css_tag_descr *tag) in sh_css_encode_tag_descr() argument
59 assert(tag); in sh_css_encode_tag_descr()
61 if (tag->num_captures < 0) { in sh_css_encode_tag_descr()
62 num_captures = -tag->num_captures; in sh_css_encode_tag_descr()
65 num_captures = tag->num_captures; in sh_css_encode_tag_descr()
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| /Linux-v5.15/drivers/ata/ |
| D | sata_dwc_460ex.c | 68 u32 fptagr; /* 1st party DMA tag */
184 static void sata_dwc_bmdma_start_by_tag(struct ata_queued_cmd *qc, u8 tag);
189 static void sata_dwc_clear_dmacr(struct sata_dwc_device_port *hsdevp, u8 tag);
336 u8 tag = 0; in dma_dwc_xfer_done() local
342 tag = ap->link.active_tag; in dma_dwc_xfer_done()
350 sata_dwc_clear_dmacr(hsdevp, tag); in dma_dwc_xfer_done()
352 if (hsdevp->dma_pending[tag] == SATA_DWC_DMA_PENDING_NONE) { in dma_dwc_xfer_done()
353 dev_err(ap->dev, "DMA not pending tag=0x%02x pending=%d\n", in dma_dwc_xfer_done()
354 tag, hsdevp->dma_pending[tag]); in dma_dwc_xfer_done()
446 static u32 qcmd_tag_to_mask(u8 tag) in qcmd_tag_to_mask() argument
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| /Linux-v5.15/lib/ |
| D | radix-tree.c | 98 static inline void tag_set(struct radix_tree_node *node, unsigned int tag, in tag_set() argument
101 __set_bit(offset, node->tags[tag]); in tag_set()
104 static inline void tag_clear(struct radix_tree_node *node, unsigned int tag, in tag_clear() argument
107 __clear_bit(offset, node->tags[tag]); in tag_clear()
110 static inline int tag_get(const struct radix_tree_node *node, unsigned int tag, in tag_get() argument
113 return test_bit(offset, node->tags[tag]); in tag_get()
116 static inline void root_tag_set(struct radix_tree_root *root, unsigned tag) in root_tag_set() argument
118 root->xa_flags |= (__force gfp_t)(1 << (tag + ROOT_TAG_SHIFT)); in root_tag_set()
121 static inline void root_tag_clear(struct radix_tree_root *root, unsigned tag) in root_tag_clear() argument
123 root->xa_flags &= (__force gfp_t)~(1 << (tag + ROOT_TAG_SHIFT)); in root_tag_clear()
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| /Linux-v5.15/Documentation/arm64/ |
| D | memory-tagging-extension.rst | 19 allocation tag for each 16-byte granule in the physical address space.
21 attribute. A logical tag is derived from bits 59-56 of the virtual
23 the logical tag against the allocation tag and potentially raise an
42 The allocation tag is set to 0 when such pages are first mapped in the
58 Tag Check Faults
66 tag check fault.
75 thread, asynchronously following one or multiple tag check faults,
84 - ``PR_MTE_TCF_NONE`` - *Ignore* tag check faults
86 - ``PR_MTE_TCF_SYNC`` - *Synchronous* tag check fault mode
87 - ``PR_MTE_TCF_ASYNC`` - *Asynchronous* tag check fault mode
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| /Linux-v5.15/Documentation/dev-tools/ |
| D | kasan.rst | 11 2. software tag-based KASAN (similar to userspace HWASan),
12 3. hardware tag-based KASAN (based on hardware memory tagging).
15 Software tag-based KASAN can be used for dogfood testing as it has a lower
16 memory overhead that allows using it with real workloads. Hardware tag-based
29 Software tag-based KASAN mode is only supported in Clang.
36 while the hardware tag-based KASAN currently only supports SLUB.
39 and riscv architectures, and tag-based KASAN modes are supported only for arm64.
49 ``CONFIG_KASAN_SW_TAGS`` (to enable software tag-based KASAN), and
50 ``CONFIG_KASAN_HW_TAGS`` (to enable hardware tag-based KASAN).
162 For tag-based KASAN modes, this last report section shows the memory tags around
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| /Linux-v5.15/include/trace/events/ |
| D | 9p.h | 101 TP_PROTO(struct p9_client *clnt, int8_t type, int tag),
103 TP_ARGS(clnt, type, tag),
108 __field( __u32, tag )
114 __entry->tag = tag;
117 TP_printk("client %lu request %s tag %d",
119 __entry->tag)
123 TP_PROTO(struct p9_client *clnt, int8_t type, int tag, int err),
125 TP_ARGS(clnt, type, tag, err),
130 __field( __u32, tag )
137 __entry->tag = tag;
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| /Linux-v5.15/arch/x86/math-emu/ |
| D | reg_divide.c | 11 | Return value is the tag of the answer, or-ed with FPU_Exception if |
34 int tag, deststnr; in FPU_div() local
81 tag = FPU_u_div(&x, &y, dest, control_w, sign); in FPU_div()
83 if (tag < 0) in FPU_div()
84 return tag; in FPU_div()
86 FPU_settagi(deststnr, tag); in FPU_div()
87 return tag; in FPU_div()
103 tag = FPU_u_div(&x, &y, dest, control_w, sign); in FPU_div()
104 if (tag < 0) in FPU_div()
105 return tag; in FPU_div()
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| /Linux-v5.15/drivers/pnp/pnpbios/ |
| D | rsparser.c | 45 * end tag ->
47 * end tag ->
49 * final end tag ->
84 unsigned int len, tag; in pnpbios_parse_allocated_resource_data() local
96 /* determine the type of tag */ in pnpbios_parse_allocated_resource_data()
97 if (p[0] & LARGE_TAG) { /* large tag */ in pnpbios_parse_allocated_resource_data()
99 tag = p[0]; in pnpbios_parse_allocated_resource_data()
100 } else { /* small tag */ in pnpbios_parse_allocated_resource_data()
102 tag = ((p[0] >> 3) & 0x0f); in pnpbios_parse_allocated_resource_data()
105 switch (tag) { in pnpbios_parse_allocated_resource_data()
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| /Linux-v5.15/drivers/scsi/be2iscsi/ |
| D | be_mgmt.c | 40 unsigned int tag = 0; in mgmt_vendor_specific_fw_cmd() local
79 wrb = alloc_mcc_wrb(phba, &tag); in mgmt_vendor_specific_fw_cmd()
92 be_mcc_notify(phba, tag); in mgmt_vendor_specific_fw_cmd()
95 return tag; in mgmt_vendor_specific_fw_cmd()
106 * Success: Tag number of the MBX Command issued
125 unsigned int tag = 0; in mgmt_open_connection() local
149 wrb = alloc_mcc_wrb(phba, &tag); in mgmt_open_connection()
208 be_mcc_notify(phba, tag); in mgmt_open_connection()
210 return tag; in mgmt_open_connection()
231 unsigned int tag; in beiscsi_exec_nemb_cmd() local
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| /Linux-v5.15/arch/sparc/kernel/ |
| D | adi_64.c | 19 * prudent to allocate at least enough tag storage space to accommodate
20 * SWAPFILE_CLUSTER number of pages. Allocate enough tag storage to
109 pr_warn("WARNING: ADI tag size >4 on this platform. Disabling AADI support\n"); in mdesc_adi_init()
131 /* Check if this vma already has tag storage descriptor in find_tag_store()
171 /* Check if this vma already has tag storage descriptor in alloc_tag_store()
217 /* Check if we ran out of tag storage descriptors */ in alloc_tag_store()
223 /* Mark this tag descriptor slot in use and then initialize it */ in alloc_tag_store()
227 /* Tag storage has not been allocated for this vma and space in alloc_tag_store()
228 * is available in tag storage descriptor. Since this page is in alloc_tag_store()
232 * more than TAG_STORAGE_PAGES. Each byte in tag space holds in alloc_tag_store()
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