Home
last modified time | relevance | path

Searched refs:pkey (Results 1 – 25 of 102) sorted by relevance

12345

/linux/security/selinux/
H A Dibpkey.c48 * sel_ib_pkey_hashfn - Hashing function for the pkey table
49 * @pkey: pkey number
52 * This is the hashing function for the pkey table, it returns the bucket
53 * number for the given pkey.
56 static unsigned int sel_ib_pkey_hashfn(u16 pkey) in sel_ib_pkey_hashfn() argument
58 return (pkey & (SEL_PKEY_HASH_SIZE - 1)); in sel_ib_pkey_hashfn()
62 * sel_ib_pkey_find - Search for a pkey record
67 * Search the pkey table and return the matching record. If an entry
74 struct sel_ib_pkey *pkey; in sel_ib_pkey_find() local
94 sel_ib_pkey_insert(struct sel_ib_pkey * pkey) sel_ib_pkey_insert() argument
133 struct sel_ib_pkey *pkey; sel_ib_pkey_sid_slow() local
183 struct sel_ib_pkey *pkey; sel_ib_pkey_sid() local
207 struct sel_ib_pkey *pkey, *pkey_tmp; sel_ib_pkey_flush() local
[all...]
/linux/tools/testing/selftests/mm/
H A Dprotection_keys.c7 * * how to set/clear bits in pkey registers (the rights register)
8 * * how to handle SEGV_PKUERR signals and extract pkey-relevant
17 * look for pkey "leaks" where it is still set on a VMA but "freed" back to the kernel
18 * do a plain mprotect() to a mprotect_pkey() area and make sure the pkey sticks
50 #include "pkey-helpers.h"
99 static u32 hw_pkey_get(int pkey, unsigned long flags) in tracing_root_ok()
103 dprintf1("%s(pkey=%d, flags=%lx) = %x / %d\n",
104 __func__, pkey, flags, 0, 0); in tracing_on()
107 return (u32) get_pkey_bits(pkey_reg, pkey); in tracing_on()
110 static int hw_pkey_set(int pkey, unsigne in tracing_on()
184 hw_pkey_get(int pkey,unsigned long flags) hw_pkey_get() argument
195 hw_pkey_set(int pkey,unsigned long rights,unsigned long flags) hw_pkey_set() argument
216 pkey_disable_set(int pkey,int flags) pkey_disable_set() argument
254 pkey_disable_clear(int pkey,int flags) pkey_disable_clear() argument
280 pkey_write_allow(int pkey) pkey_write_allow() argument
284 pkey_write_deny(int pkey) pkey_write_deny() argument
288 pkey_access_allow(int pkey) pkey_access_allow() argument
292 pkey_access_deny(int pkey) pkey_access_deny() argument
555 mprotect_pkey(void * ptr,size_t size,unsigned long orig_prot,unsigned long pkey) mprotect_pkey() argument
660 malloc_pkey_with_mprotect(long size,int prot,u16 pkey) malloc_pkey_with_mprotect() argument
680 malloc_pkey_anon_huge(long size,int prot,u16 pkey) malloc_pkey_anon_huge() argument
761 malloc_pkey_hugetlb(long size,int prot,u16 pkey) malloc_pkey_hugetlb() argument
790 malloc_pkey(long size,int prot,u16 pkey) malloc_pkey() argument
822 expected_pkey_fault(int pkey) expected_pkey_fault() argument
892 test_pkey_alloc_free_attach_pkey0(int * ptr,u16 pkey) test_pkey_alloc_free_attach_pkey0() argument
944 test_read_of_write_disabled_region(int * ptr,u16 pkey) test_read_of_write_disabled_region() argument
954 test_read_of_access_disabled_region(int * ptr,u16 pkey) test_read_of_access_disabled_region() argument
967 test_read_of_access_disabled_region_with_page_already_mapped(int * ptr,u16 pkey) test_read_of_access_disabled_region_with_page_already_mapped() argument
984 test_write_of_write_disabled_region_with_page_already_mapped(int * ptr,u16 pkey) test_write_of_write_disabled_region_with_page_already_mapped() argument
994 test_write_of_write_disabled_region(int * ptr,u16 pkey) test_write_of_write_disabled_region() argument
1001 test_write_of_access_disabled_region(int * ptr,u16 pkey) test_write_of_access_disabled_region() argument
1010 test_write_of_access_disabled_region_with_page_already_mapped(int * ptr,u16 pkey) test_write_of_access_disabled_region_with_page_already_mapped() argument
1020 test_kernel_write_of_access_disabled_region(int * ptr,u16 pkey) test_kernel_write_of_access_disabled_region() argument
1033 test_kernel_write_of_write_disabled_region(int * ptr,u16 pkey) test_kernel_write_of_write_disabled_region() argument
1046 test_kernel_gup_of_access_disabled_region(int * ptr,u16 pkey) test_kernel_gup_of_access_disabled_region() argument
1068 test_kernel_gup_write_to_write_disabled_region(int * ptr,u16 pkey) test_kernel_gup_write_to_write_disabled_region() argument
1086 test_pkey_syscalls_on_non_allocated_pkey(int * ptr,u16 pkey) test_pkey_syscalls_on_non_allocated_pkey() argument
1109 test_pkey_syscalls_bad_args(int * ptr,u16 pkey) test_pkey_syscalls_bad_args() argument
1135 test_pkey_alloc_exhaust(int * ptr,u16 pkey) test_pkey_alloc_exhaust() argument
1241 test_pkey_init_state(int * ptr,u16 pkey) test_pkey_init_state() argument
1279 test_mprotect_with_pkey_0(int * ptr,u16 pkey) test_mprotect_with_pkey_0() argument
1303 test_ptrace_of_child(int * ptr,u16 pkey) test_ptrace_of_child() argument
1400 test_executing_on_unreadable_memory(int * ptr,u16 pkey) test_executing_on_unreadable_memory() argument
1432 test_implicit_mprotect_exec_only_memory(int * ptr,u16 pkey) test_implicit_mprotect_exec_only_memory() argument
1481 test_ptrace_modifies_pkru(int * ptr,u16 pkey) test_ptrace_modifies_pkru() argument
1604 test_ptrace_modifies_pkru(int * ptr,u16 pkey) test_ptrace_modifies_pkru() argument
1681 test_mprotect_pkey_on_unsupported_cpu(int * ptr,u16 pkey) test_mprotect_pkey_on_unsupported_cpu() argument
1727 int pkey; run_tests_once() local
[all...]
H A Dpkey_util.c9 #include "pkey-helpers.h" in sys_pkey_alloc()
106 int sys_pkey_free(unsigned long pkey)
108 int ret = syscall(SYS_pkey_free, pkey);
109 dprintf1("%s(pkey=%ld) syscall ret: %d\n", __func__, pkey, ret);
114 unsigned long pkey)
118 dprintf2("%s(0x%p, %zx, prot=%lx, pkey=%lx)\n", __func__,
119 ptr, size, orig_prot, pkey);
122 sret = syscall(__NR_pkey_mprotect, ptr, size, orig_prot, pkey);
16 sys_pkey_free(unsigned long pkey) sys_pkey_free() argument
24 sys_mprotect_pkey(void * ptr,size_t size,unsigned long orig_prot,unsigned long pkey) sys_mprotect_pkey() argument
H A Dpkey-powerpc.h28 #define NR_RESERVED_PKEYS_4K 27 /* pkey-0, pkey-1, exec-only-pkey
31 #define NR_RESERVED_PKEYS_64K_3KEYS 3 /* PowerNV and KVM: pkey-0,
32 pkey-1 and exec-only key */
33 #define NR_RESERVED_PKEYS_64K_4KEYS 4 /* PowerVM: pkey-0, pkey-1,
34 pkey-31 and exec-only key */
39 static inline u32 pkey_bit_position(int pkey) in pkey_bit_position() argument
41 return (NR_PKEYS - pkey in pkey_bit_position()
96 expect_fault_on_read_execonly_key(void * p1,int pkey) expect_fault_on_read_execonly_key() argument
120 malloc_pkey_with_mprotect_subpage(long size,int prot,u16 pkey) malloc_pkey_with_mprotect_subpage() argument
[all...]
H A Dpkey-helpers.h92 int sys_pkey_free(unsigned long pkey);
94 unsigned long pkey);
98 void expected_pkey_fault(int pkey);
100 unsigned long pkey);
104 #include "pkey-x86.h"
106 #include "pkey-powerpc.h"
108 #include "pkey-arm64.h"
125 static inline u64 set_pkey_bits(u64 reg, int pkey, u64 flags) in set_pkey_bits()
127 u32 shift = pkey_bit_position(pkey); in set_pkey_bits()
128 /* mask out bits from pkey i in set_pkey_bits()
122 set_pkey_bits(u64 reg,int pkey,u64 flags) set_pkey_bits() argument
134 get_pkey_bits(u64 reg,int pkey) get_pkey_bits() argument
[all...]
H A Dpkey_sighandler_tests.c6 * using an alternate signal stack, with the default pkey (pkey 0) disabled.
30 #include "pkey-helpers.h"
99 * Returns the most restrictive pkey register value that can be used by the
105 * Disallow everything except execution on pkey 0, so that each caller in pkey_reg_restrictive_default()
107 * its code mapped with pkey 0). in pkey_reg_restrictive_default()
200 * Verify that the sigsegv handler is invoked when pkey 0 is disabled.
241 * Verify that the sigsegv handler is invoked when pkey 0 is disabled.
292 int pkey; in test_sigsegv_handler_with_different_pkey_for_stack()
317 pkey in test_sigsegv_handler_with_different_pkey_for_stack()
287 int pkey; test_sigsegv_handler_with_different_pkey_for_stack() local
443 int pkey; test_pkru_sigreturn() local
[all...]
/linux/drivers/s390/crypto/
H A DMakefile17 pkey-objs := pkey_base.o pkey_api.o pkey_sysfs.o
18 obj-$(CONFIG_PKEY) += pkey.o
21 pkey-cca-objs := pkey_cca.o
22 obj-$(CONFIG_PKEY_CCA) += pkey-cca.o
25 pkey-ep11-objs := pkey_ep11.o
26 obj-$(CONFIG_PKEY_EP11) += pkey-ep11.o
29 pkey-pckmo-objs := pkey_pckmo.o
30 obj-$(CONFIG_PKEY_PCKMO) += pkey-pckmo.o
33 pkey-uv-objs := pkey_uv.o
34 obj-$(CONFIG_PKEY_UV) += pkey-uv.o
/linux/Documentation/translations/zh_CN/core-api/
H A Dprotection-keys.rst46 int pkey_free(int pkey);
48 unsigned long prot, int pkey);
50 在使用一个pkey之前，必须先用pkey_alloc()分配它。一个应用程序直接调用
55 pkey = pkey_alloc(0, PKEY_DISABLE_WRITE);
57 ret = pkey_mprotect(ptr, PAGE_SIZE, real_prot, pkey);
63 pkey_set(pkey, 0); // clear PKEY_DISABLE_WRITE
65 pkey_set(pkey, PKEY_DISABLE_WRITE); // set PKEY_DISABLE_WRITE again
67 现在，当它释放内存时，它也将释放pkey，因为它不再被使用了::
70 pkey_free(pkey);
85 pkey = pkey_alloc(0, PKEY_DISABLE_WRITE | PKEY_DISABLE_READ);
[all …]
/linux/drivers/infiniband/ulp/ipoib/
H A Dipoib_vlan.c72 if (ppriv->pkey == priv->pkey) in is_child_unique()
77 if (tpriv->pkey == priv->pkey && in is_child_unique()
98 u16 pkey, int type) in __ipoib_vlan_add() argument
116 if (pkey == 0 || pkey == 0x8000) { in __ipoib_vlan_add()
124 priv->pkey = pkey; in __ipoib_vlan_add()
168 int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey) in ipoib_vlan_add() argument
193 pkey); in ipoib_vlan_add()
204 result = __ipoib_vlan_add(ppriv, priv, pkey, IPOIB_LEGACY_CHILD); in ipoib_vlan_add()
252 int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey) in ipoib_vlan_delete() argument
273 if (priv->pkey == pkey && in ipoib_vlan_delete()
/linux/crypto/asymmetric_keys/
H A Drestrict.c138 const struct public_key *pkey; in restrict_link_by_ca() local
143 pkey = payload->data[asym_crypto]; in restrict_link_by_ca()
144 if (!pkey) in restrict_link_by_ca()
146 if (!test_bit(KEY_EFLAG_CA, &pkey->key_eflags)) in restrict_link_by_ca()
148 if (!test_bit(KEY_EFLAG_KEYCERTSIGN, &pkey->key_eflags)) in restrict_link_by_ca()
152 if (test_bit(KEY_EFLAG_DIGITALSIG, &pkey->key_eflags)) in restrict_link_by_ca()
179 const struct public_key *pkey; in restrict_link_by_digsig() local
184 pkey = payload->data[asym_crypto]; in restrict_link_by_digsig()
186 if (!pkey) in restrict_link_by_digsig()
189 if (!test_bit(KEY_EFLAG_DIGITALSIG, &pkey->key_eflags)) in restrict_link_by_digsig()
[all …]
/linux/include/linux/
H A Dpkeys.h14 #define arch_override_mprotect_pkey(vma, prot, pkey) (0) argument
23 static inline bool mm_pkey_is_allocated(struct mm_struct *mm, int pkey) in mm_pkey_is_allocated() argument
25 return (pkey == 0); in mm_pkey_is_allocated()
33 static inline int mm_pkey_free(struct mm_struct *mm, int pkey) in mm_pkey_free() argument
38 static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey, in arch_set_user_pkey_access() argument
/linux/include/net/
H A Dneighbour.h214 __u32 (*hash)(const void *pkey,
217 bool (*key_eq)(const struct neighbour *, const void *pkey);
222 int (*is_multicast)(const void *pkey);
289 static inline bool neigh_key_eq32(const struct neighbour *n, const void *pkey) in neigh_key_eq32() argument
291 return *(const u32 *)n->primary_key == *(const u32 *)pkey; in neigh_key_eq32()
294 static inline bool neigh_key_eq128(const struct neighbour *n, const void *pkey) in neigh_key_eq128() argument
297 const u32 *p32 = pkey; in neigh_key_eq128()
305 bool (*key_eq)(const struct neighbour *n, const void *pkey), in ___neigh_lookup_noref() argument
306 __u32 (*hash)(const void *pkey, in ___neigh_lookup_noref() argument
309 const void *pkey, in ___neigh_lookup_noref()
[all …]
H A Dndisc.h345 static inline u32 ndisc_hashfn(const void *pkey, const struct net_device *dev, __u32 *hash_rnd) in ndisc_hashfn() argument
347 const u32 *p32 = pkey; in ndisc_hashfn()
355 static inline struct neighbour *__ipv6_neigh_lookup_noref(struct net_device *dev, const void *pkey) in __ipv6_neigh_lookup_noref() argument
357 return ___neigh_lookup_noref(&nd_tbl, neigh_key_eq128, ndisc_hashfn, pkey, dev); in __ipv6_neigh_lookup_noref()
360 static inline struct neighbour *__ipv6_neigh_lookup(struct net_device *dev, const void *pkey) in __ipv6_neigh_lookup() argument
365 n = __ipv6_neigh_lookup_noref(dev, pkey); in __ipv6_neigh_lookup()
374 const void *pkey) in __ipv6_confirm_neigh() argument
379 n = __ipv6_neigh_lookup_noref(dev, pkey); in __ipv6_confirm_neigh()
/linux/drivers/infiniband/hw/hfi1/
H A Dud.c70 u16 pkey; in ud_loopback() local
74 pkey = hfi1_get_pkey(ibp, sqp->s_pkey_index); in ud_loopback()
77 if (unlikely(ingress_pkey_check(ppd, pkey, sc5, in ud_loopback()
80 hfi1_bad_pkey(ibp, pkey, in ud_loopback()
226 u16 *pkey, u32 extra_bytes, bool bypass) in hfi1_make_bth_deth() argument
243 *pkey = hfi1_get_pkey(ibp, rvt_get_swqe_pkey_index(wqe)); in hfi1_make_bth_deth()
245 *pkey = hfi1_get_pkey(ibp, qp->s_pkey_index); in hfi1_make_bth_deth()
247 bth0 |= *pkey; in hfi1_make_bth_deth()
265 u16 len, slid, dlid, pkey; in hfi1_make_ud_req_9B() local
323 hfi1_make_bth_deth(qp, wqe, ohdr, &pkey, extra_bytes, false); in hfi1_make_ud_req_9B()
[all …]
H A Dtrace_ibhdrs.h77 u16 *pkey, u32 *psn, u32 *qpn);
88 u16 *entropy, u16 *len, u16 *pkey,
95 u16 len, u16 pkey, u32 dlid, u32 slid);
100 u8 tver, u16 pkey, u32 psn, u32 qpn,
140 __field(u16, pkey)
168 &__entry->pkey,
207 &__entry->pkey,
238 __entry->pkey,
254 __entry->pkey,
299 __field(u16, pkey)
[all …]
H A Druc.c37 u16 pkey = packet->pkey; in hfi1_ruc_check_hdr() local
62 if (unlikely(rcv_pkey_check(ppd_from_ibp(ibp), pkey, in hfi1_ruc_check_hdr()
64 hfi1_bad_pkey(ibp, pkey, sl, 0, qp->ibqp.qp_num, in hfi1_ruc_check_hdr()
99 if (unlikely(rcv_pkey_check(ppd_from_ibp(ibp), pkey, in hfi1_ruc_check_hdr()
101 hfi1_bad_pkey(ibp, pkey, sl, 0, qp->ibqp.qp_num, in hfi1_ruc_check_hdr()
241 u16 pkey = hfi1_get_pkey(ibp, qp->s_pkey_index); in hfi1_make_ruc_header_16B() local
286 bth0 |= pkey; in hfi1_make_ruc_header_16B()
302 pkey, becn, 0, l4, priv->s_sc); in hfi1_make_ruc_header_16B()
328 u16 pkey = hfi1_get_pkey(ibp, qp->s_pkey_index); in hfi1_make_ruc_header_9B() local
364 bth0 |= pkey; in hfi1_make_ruc_header_9B()
/linux/lib/
H A Ddigsig.c74 MPI in = NULL, res = NULL, pkey[2]; in digsig_verify_rsa() local
108 pkey[i] = mpi_read_from_buffer(datap, &remaining); in digsig_verify_rsa()
109 if (IS_ERR(pkey[i])) { in digsig_verify_rsa()
110 err = PTR_ERR(pkey[i]); in digsig_verify_rsa()
116 mblen = mpi_get_nbits(pkey[0]); in digsig_verify_rsa()
141 err = mpi_powm(res, in, pkey[1], pkey[0]); in digsig_verify_rsa()
172 mpi_free(pkey[i]); in digsig_verify_rsa()
/linux/Documentation/core-api/
H A Dprotection-keys.rst56 int pkey_free(int pkey);
58 unsigned long prot, int pkey);
60 Before a pkey can be used, it must first be allocated with pkey_alloc(). An
67 pkey = pkey_alloc(0, PKEY_DISABLE_WRITE);
69 ret = pkey_mprotect(ptr, PAGE_SIZE, real_prot, pkey);
75 pkey_set(pkey, 0); // clear PKEY_DISABLE_WRITE
77 pkey_set(pkey, PKEY_DISABLE_WRITE); // set PKEY_DISABLE_WRITE again
79 Now when it frees the memory, it will also free the pkey since it
83 pkey_free(pkey);
87 tools/testing/selftests/mm/pkey-{arm64,powerpc,x86}.h
[all …]
/linux/arch/x86/include/asm/
H A Dpkru.h19 static inline bool __pkru_allows_read(u32 pkru, u16 pkey) in __pkru_allows_read() argument
21 int pkru_pkey_bits = pkey * PKRU_BITS_PER_PKEY; in __pkru_allows_read()
25 static inline bool __pkru_allows_write(u32 pkru, u16 pkey) in __pkru_allows_write() argument
27 int pkru_pkey_bits = pkey * PKRU_BITS_PER_PKEY; in __pkru_allows_write()
/linux/tools/testing/selftests/powerpc/ptrace/
H A DMakefile12 TESTS_64 += core-pkey
16 TESTS_64 += ptrace-pkey
41 $(OUTPUT)/ptrace-pkey $(OUTPUT)/core-pkey: LDLIBS += -pthread
H A D.gitignore14 core-pkey
15 ptrace-pkey
/linux/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/
H A Dgh100.c106 gsp->fmc.fw.addr, gsp->fmc.hash, gsp->fmc.pkey, gsp->fmc.sig); in gh100_gsp_init()
269 const void *hash, *sig, *pkey, *img; in gh100_gsp_oneinit() local
282 pkey = elf_section(fw, "publickey", &pkey_len); in gh100_gsp_oneinit()
285 if (!hash || !sig || !pkey || !img) { in gh100_gsp_oneinit()
301 gsp->fmc.pkey = kmemdup(pkey, pkey_len, GFP_KERNEL); in gh100_gsp_oneinit()
303 if (!gsp->fmc.hash || !gsp->fmc.pkey || !gsp->fmc.sig) in gh100_gsp_oneinit()
/linux/security/selinux/include/
H A Dibpkey.h22 int sel_ib_pkey_sid(u64 subnet_prefix, u16 pkey, u32 *sid);
28 static inline int sel_ib_pkey_sid(u64 subnet_prefix, u16 pkey, u32 *sid) in sel_ib_pkey_sid() argument
/linux/drivers/infiniband/sw/rxe/
H A Drxe_hdr.h64 __be16 pkey; member
166 return be16_to_cpu(bth->pkey); in __bth_pkey()
169 static inline void __bth_set_pkey(void *arg, u16 pkey) in __bth_set_pkey() argument
173 bth->pkey = cpu_to_be16(pkey); in __bth_set_pkey()
335 static inline void bth_set_pkey(struct rxe_pkt_info *pkt, u16 pkey) in bth_set_pkey() argument
337 __bth_set_pkey(pkt->hdr, pkey); in bth_set_pkey()
406 int mig, int pad, u16 pkey, u32 qpn, int ack_req, in bth_init() argument
417 bth->pkey = cpu_to_be16(pkey); in bth_init()
/linux/drivers/gpu/drm/nouveau/nvkm/subdev/fsp/
H A Dbase.c9 u64 img_addr, const u8 *hash, const u8 *pkey, const u8 *sig) in nvkm_fsp_boot_gsp_fmc() argument
12 img_addr, hash, pkey, sig); in nvkm_fsp_boot_gsp_fmc()

12345