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Searched refs:pkey (Results 1 – 25 of 125) sorted by relevance

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/linux/security/selinux/
H A Dibpkey.c56 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()
74 struct sel_ib_pkey *pkey; in sel_ib_pkey_find() local
77 list_for_each_entry_rcu(pkey, &sel_ib_pkey_hash[idx].list, list) { in sel_ib_pkey_find()
78 if (pkey->psec.pkey == pkey_num && in sel_ib_pkey_find()
79 pkey->psec.subnet_prefix == subnet_prefix) in sel_ib_pkey_find()
80 return pkey; in sel_ib_pkey_find()
94 static void sel_ib_pkey_insert(struct sel_ib_pkey *pkey) in sel_ib_pkey_insert() argument
101 idx = sel_ib_pkey_hashfn(pkey->psec.pkey); in sel_ib_pkey_insert()
102 list_add_rcu(&pkey->list, &sel_ib_pkey_hash[idx].list); in sel_ib_pkey_insert()
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/linux/tools/testing/selftests/mm/
H A Dprotection_keys.c184 static u32 hw_pkey_get(int pkey, unsigned long flags) in hw_pkey_get() argument
189 __func__, pkey, flags, 0, 0); in hw_pkey_get()
192 return (u32) get_pkey_bits(pkey_reg, pkey); in hw_pkey_get()
195 static int hw_pkey_set(int pkey, unsigned long rights, unsigned long flags) in hw_pkey_set() argument
205 new_pkey_reg = set_pkey_bits(old_pkey_reg, pkey, rights); in hw_pkey_set()
211 __func__, pkey, rights, flags, 0, __read_pkey_reg(), in hw_pkey_set()
216 static void pkey_disable_set(int pkey, int flags) in pkey_disable_set() argument
223 pkey, flags); in pkey_disable_set()
226 pkey_rights = hw_pkey_get(pkey, syscall_flags); in pkey_disable_set()
229 pkey, pkey, pkey_rights); in pkey_disable_set()
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H A Dpkey_util.c16 int sys_pkey_free(unsigned long pkey) in sys_pkey_free() argument
18 int ret = syscall(SYS_pkey_free, pkey); in sys_pkey_free()
19 dprintf1("%s(pkey=%ld) syscall ret: %d\n", __func__, pkey, ret); in sys_pkey_free()
24 unsigned long pkey) in sys_mprotect_pkey() argument
29 ptr, size, orig_prot, pkey); in sys_mprotect_pkey()
32 sret = syscall(__NR_pkey_mprotect, ptr, size, orig_prot, pkey); in sys_mprotect_pkey()
H A Dpkey-powerpc.h39 static inline u32 pkey_bit_position(int pkey) in pkey_bit_position() argument
41 return (NR_PKEYS - pkey - 1) * PKEY_BITS_PER_PKEY; in pkey_bit_position()
96 static inline void expect_fault_on_read_execonly_key(void *p1, int pkey) in expect_fault_on_read_execonly_key() argument
120 static inline void *malloc_pkey_with_mprotect_subpage(long size, int prot, u16 pkey) in malloc_pkey_with_mprotect_subpage() argument
126 size, prot, pkey); in malloc_pkey_with_mprotect_subpage()
127 pkey_assert(pkey < NR_PKEYS); in malloc_pkey_with_mprotect_subpage()
137 ret = mprotect_pkey((void *)ptr, PAGE_SIZE, prot, pkey); in malloc_pkey_with_mprotect_subpage()
141 dprintf1("%s() for pkey %d @ %p\n", __func__, pkey, ptr); in malloc_pkey_with_mprotect_subpage()
H A Dpkey-helpers.h89 int sys_pkey_free(unsigned long pkey);
91 unsigned long pkey);
95 void expected_pkey_fault(int pkey);
97 unsigned long pkey);
122 static inline u64 set_pkey_bits(u64 reg, int pkey, u64 flags) in set_pkey_bits() argument
124 u32 shift = pkey_bit_position(pkey); in set_pkey_bits()
134 static inline u64 get_pkey_bits(u64 reg, int pkey) in get_pkey_bits() argument
136 u32 shift = pkey_bit_position(pkey); in get_pkey_bits()
/linux/arch/arm64/include/asm/
H A Dpkeys.h15 int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
29 int prot, int pkey) in arch_override_mprotect_pkey() argument
31 if (pkey != -1) in arch_override_mprotect_pkey()
32 return pkey; in arch_override_mprotect_pkey()
44 #define mm_set_pkey_allocated(mm, pkey) do { \ argument
45 mm_pkey_allocation_map(mm) |= (1U << pkey); \
47 #define mm_set_pkey_free(mm, pkey) do { \ argument
48 mm_pkey_allocation_map(mm) &= ~(1U << pkey); \
51 static inline bool mm_pkey_is_allocated(struct mm_struct *mm, int pkey) in mm_pkey_is_allocated() argument
58 if (pkey < 0 || pkey >= arch_max_pkey()) in mm_pkey_is_allocated()
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/linux/arch/x86/include/asm/
H A Dpkeys.h12 extern int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
34 int prot, int pkey);
36 int prot, int pkey) in arch_override_mprotect_pkey() argument
41 return __arch_override_mprotect_pkey(vma, prot, pkey); in arch_override_mprotect_pkey()
47 #define mm_set_pkey_allocated(mm, pkey) do { \ argument
48 mm_pkey_allocation_map(mm) |= (1U << pkey); \
50 #define mm_set_pkey_free(mm, pkey) do { \ argument
51 mm_pkey_allocation_map(mm) &= ~(1U << pkey); \
55 bool mm_pkey_is_allocated(struct mm_struct *mm, int pkey) in mm_pkey_is_allocated() argument
62 if (pkey < 0) in mm_pkey_is_allocated()
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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/drivers/infiniband/core/
H A Dsecurity.c48 struct pkey_index_qp_list *pkey = NULL; in get_pkey_idx_qp_list() local
56 pkey = tmp_pkey; in get_pkey_idx_qp_list()
61 return pkey; in get_pkey_idx_qp_list()
65 u16 *pkey, in get_pkey_and_subnet_prefix() argument
71 ret = ib_get_cached_pkey(dev, pp->port_num, pp->pkey_index, pkey); in get_pkey_and_subnet_prefix()
80 static int enforce_qp_pkey_security(u16 pkey, in enforce_qp_pkey_security() argument
87 ret = security_ib_pkey_access(qp_sec->security, subnet_prefix, pkey); in enforce_qp_pkey_security()
96 pkey); in enforce_qp_pkey_security()
115 u16 pkey; in check_qp_port_pkey_settings() local
123 &pkey, in check_qp_port_pkey_settings()
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/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/arch/powerpc/mm/book3s64/
H A Dpkeys.c49 #define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey+1) * AMR_BITS_PER_PKEY)) argument
315 static inline void init_amr(int pkey, u8 init_bits) in init_amr() argument
317 u64 new_amr_bits = (((u64)init_bits & 0x3UL) << pkeyshift(pkey)); in init_amr()
318 u64 old_amr = current_thread_amr() & ~((u64)(0x3ul) << pkeyshift(pkey)); in init_amr()
323 static inline void init_iamr(int pkey, u8 init_bits) in init_iamr() argument
325 u64 new_iamr_bits = (((u64)init_bits & 0x1UL) << pkeyshift(pkey)); in init_iamr()
326 u64 old_iamr = current_thread_iamr() & ~((u64)(0x1ul) << pkeyshift(pkey)); in init_iamr()
338 int __arch_set_user_pkey_access(struct task_struct *tsk, int pkey, in __arch_set_user_pkey_access() argument
348 pkey_bits = 0x3ul << pkeyshift(pkey); in __arch_set_user_pkey_access()
362 init_iamr(pkey, new_iamr_bits); in __arch_set_user_pkey_access()
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/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);
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/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()
291 return *(const u32 *)n->primary_key == *(const u32 *)pkey;
294 static inline bool neigh_key_eq128(const struct neighbour *n, const void *pkey) in neigh_key_eq128()
297 const u32 *p32 = pkey; in neigh_key_eq128()
305 bool (*key_eq)(const struct neighbour *n, const void *pkey), in ___neigh_lookup_noref()
306 __u32 (*hash)(const void *pkey, in ___neigh_lookup_noref()
309 const void *pkey, in ___neigh_lookup_noref()
287 neigh_key_eq32(const struct neighbour * n,const void * pkey) neigh_key_eq32() argument
292 neigh_key_eq128(const struct neighbour * n,const void * pkey) neigh_key_eq128() argument
303 ___neigh_lookup_noref(struct neigh_table * tbl,bool (* key_eq)(const struct neighbour * n,const void * pkey),__u32 (* hash)(const void * pkey,const struct net_device * dev,__u32 * hash_rnd),const void * pkey,struct net_device * dev) ___neigh_lookup_noref() argument
304 ___neigh_lookup_noref(struct neigh_table * tbl,bool (* key_eq)(const struct neighbour * n,const void * pkey),__u32 (* hash)(const void * pkey,const struct net_device * dev,__u32 * hash_rnd),const void * pkey,struct net_device * dev) ___neigh_lookup_noref() argument
323 __neigh_lookup_noref(struct neigh_table * tbl,const void * pkey,struct net_device * dev) __neigh_lookup_noref() argument
347 neigh_create(struct neigh_table * tbl,const void * pkey,struct net_device * dev) neigh_create() argument
551 __neigh_lookup(struct neigh_table * tbl,const void * pkey,struct net_device * dev,int creat) __neigh_lookup() argument
563 __neigh_lookup_errno(struct neigh_table * tbl,const void * pkey,struct net_device * dev) __neigh_lookup_errno() argument
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H A Dndisc.h347 static inline u32 ndisc_hashfn(const void *pkey, const struct net_device *dev, __u32 *hash_rnd) in ndisc_hashfn() argument
349 const u32 *p32 = pkey; in ndisc_hashfn()
357 static inline struct neighbour *__ipv6_neigh_lookup_noref(struct net_device *dev, const void *pkey) in __ipv6_neigh_lookup_noref() argument
359 return ___neigh_lookup_noref(&nd_tbl, neigh_key_eq128, ndisc_hashfn, pkey, dev); in __ipv6_neigh_lookup_noref()
364 const void *pkey) in __ipv6_neigh_lookup_noref_stub() argument
367 ndisc_hashfn, pkey, dev); in __ipv6_neigh_lookup_noref_stub()
370 static inline struct neighbour *__ipv6_neigh_lookup(struct net_device *dev, const void *pkey) in __ipv6_neigh_lookup() argument
375 n = __ipv6_neigh_lookup_noref(dev, pkey); in __ipv6_neigh_lookup()
384 const void *pkey) in __ipv6_confirm_neigh() argument
389 n = __ipv6_neigh_lookup_noref(dev, pkey); in __ipv6_confirm_neigh()
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/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()
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/linux/arch/x86/mm/
H A Dpkeys.c76 int __arch_override_mprotect_pkey(struct vm_area_struct *vma, int prot, int pkey) in __arch_override_mprotect_pkey() argument
82 if (pkey != -1) in __arch_override_mprotect_pkey()
83 return pkey; in __arch_override_mprotect_pkey()
92 pkey = execute_only_pkey(vma->vm_mm); in __arch_override_mprotect_pkey()
93 if (pkey > 0) in __arch_override_mprotect_pkey()
94 return pkey; in __arch_override_mprotect_pkey()
113 #define PKRU_AD_MASK(pkey) (PKRU_AD_BIT << ((pkey) * PKRU_BITS_PER_PKEY)) argument
/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()
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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)
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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/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
H A Dmman.h92 #define arch_calc_vm_prot_bits(prot, pkey) 0 argument
141 calc_vm_prot_bits(unsigned long prot, unsigned long pkey) in calc_vm_prot_bits() argument
146 arch_calc_vm_prot_bits(prot, pkey); in calc_vm_prot_bits()
/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
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/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
/linux/mm/
H A Dmprotect.c802 unsigned long prot, int pkey) in do_mprotect_pkey() argument
840 if ((pkey != -1) && !mm_pkey_is_allocated(current->mm, pkey)) in do_mprotect_pkey()
895 new_vma_pkey = arch_override_mprotect_pkey(vma, prot, pkey); in do_mprotect_pkey()
957 unsigned long, prot, int, pkey) in SYSCALL_DEFINE4()
959 return do_mprotect_pkey(start, len, prot, pkey); in SYSCALL_DEFINE4()
964 int pkey; in SYSCALL_DEFINE2() local
975 pkey = mm_pkey_alloc(current->mm); in SYSCALL_DEFINE2()
978 if (pkey == -1) in SYSCALL_DEFINE2()
981 ret = arch_set_user_pkey_access(current, pkey, init_val); in SYSCALL_DEFINE2()
983 mm_pkey_free(current->mm, pkey); in SYSCALL_DEFINE2()
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