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Searched refs:epc (Results 1 – 25 of 54) sorted by relevance

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/linux/drivers/pci/endpoint/
H A Dpci-epc-core.c23 struct pci_epc *epc = *(struct pci_epc **)res; in devm_pci_epc_release() local
25 pci_epc_destroy(epc); in devm_pci_epc_release()
34 void pci_epc_put(struct pci_epc *epc) in pci_epc_put() argument
36 if (IS_ERR_OR_NULL(epc)) in pci_epc_put()
39 module_put(epc->ops->owner); in pci_epc_put()
40 put_device(&epc->dev); in pci_epc_put()
54 struct pci_epc *epc; in pci_epc_get() local
61 epc = to_pci_epc(dev); in pci_epc_get()
62 if (try_module_get(epc->ops->owner)) in pci_epc_get()
63 return epc; in pci_epc_get()
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H A Dpci-epc-mem.c47 int pci_epc_multi_mem_init(struct pci_epc *epc, in pci_epc_multi_mem_init() argument
60 epc->num_windows = 0; in pci_epc_multi_mem_init()
65 epc->windows = kzalloc_objs(*epc->windows, num_windows); in pci_epc_multi_mem_init()
66 if (!epc->windows) in pci_epc_multi_mem_init()
98 epc->windows[i] = mem; in pci_epc_multi_mem_init()
101 epc->mem = epc->windows[0]; in pci_epc_multi_mem_init()
102 epc->num_windows = num_windows; in pci_epc_multi_mem_init()
108 mem = epc->windows[i]; in pci_epc_multi_mem_init()
112 kfree(epc->windows); in pci_epc_multi_mem_init()
128 int pci_epc_mem_init(struct pci_epc *epc, phys_addr_t base, in pci_epc_mem_init() argument
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H A Dpci-ep-msi.c26 struct pci_epc *epc; in pci_epf_write_msi_msg() local
29 epc = pci_epc_get(dev_name(msi_desc_to_dev(desc))); in pci_epf_write_msi_msg()
30 if (IS_ERR(epc)) in pci_epf_write_msi_msg()
33 epf = list_first_entry_or_null(&epc->pci_epf, struct pci_epf, list); in pci_epf_write_msi_msg()
38 pci_epc_put(epc); in pci_epf_write_msi_msg()
45 struct pci_epc *epc = epf->epc; in pci_epf_alloc_doorbell_embedded() local
52 count = pci_epc_get_aux_resources_count(epc, epf->func_no, in pci_epf_alloc_doorbell_embedded()
64 ret = pci_epc_get_aux_resources(epc, epf->func_no, epf->vfunc_no, in pci_epf_alloc_doorbell_embedded()
93 iova_base = dma_map_resource(epc->dev.parent, phys_base, in pci_epf_alloc_doorbell_embedded()
95 if (dma_mapping_error(epc->dev.parent, iova_base)) in pci_epf_alloc_doorbell_embedded()
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H A DMakefile7 obj-$(CONFIG_PCI_ENDPOINT) += pci-epc-core.o pci-epf-core.o\
8 pci-epc-mem.o functions/
/linux/arch/mips/kernel/
H A Dbranch.c32 long epc = regs->cp0_epc; in __isa_exception_epc() local
35 if (__get_user(inst, (u16 __user *) msk_isa16_mode(epc))) { in __isa_exception_epc()
38 return epc; in __isa_exception_epc()
45 epc += 4; in __isa_exception_epc()
47 epc += 2; in __isa_exception_epc()
49 epc += 2; in __isa_exception_epc()
51 epc += 4; in __isa_exception_epc()
53 return epc; in __isa_exception_epc()
326 long epc; in __MIPS16e_compute_return_epc() local
328 epc = regs->cp0_epc; in __MIPS16e_compute_return_epc()
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H A Dmips-r2-to-r6-emul.c250 unsigned long cepc, epc, nepc; in jr_func() local
260 epc = regs->cp0_epc; in jr_func()
287 err = mips_dsemul(regs, nir, epc, cepc); in jr_func()
911 unsigned long cpc, epc, nepc, r31, res, rs, rt; in mipsr2_decoder() local
918 epc = regs->cp0_epc; in mipsr2_decoder()
925 inst, epc, pass); in mipsr2_decoder()
994 regs->cp0_epc = epc; in mipsr2_decoder()
1001 nepc = epc + 4; in mipsr2_decoder()
1037 err = mips_dsemul(regs, nir, epc, cpc); in mipsr2_decoder()
1051 regs->cp0_epc = epc; in mipsr2_decoder()
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H A Dtraps.c1031 unsigned long epc = msk_isa16_mode(exception_epc(regs)); in do_bp() local
1041 if (__get_inst16(&instr[0], (u16 *)epc, user)) in do_bp()
1052 if (__get_inst16(&instr[1], (u16 *)(epc + 2), user)) in do_bp()
1058 if (__get_inst32(&opcode, (u32 *)epc, user)) in do_bp()
1122 unsigned long epc = msk_isa16_mode(exception_epc(regs)); in do_tr() local
1127 if (__get_inst16(&instr[0], (u16 *)(epc + 0), user) || in do_tr()
1128 __get_inst16(&instr[1], (u16 *)(epc + 2), user)) in do_tr()
1135 if (__get_inst32(&opcode, (u32 *)epc, user)) in do_tr()
1155 unsigned int __user *epc = (unsigned int __user *)exception_epc(regs); in do_ri() local
1168 likely(get_user(opcode, epc) >= 0)) { in do_ri()
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/linux/include/linux/
H A Dpci-epc.h134 int (*write_header)(struct pci_epc *epc, u8 func_no, u8 vfunc_no,
136 int (*set_bar)(struct pci_epc *epc, u8 func_no, u8 vfunc_no,
138 void (*clear_bar)(struct pci_epc *epc, u8 func_no, u8 vfunc_no,
140 u64 (*align_addr)(struct pci_epc *epc, u64 pci_addr, size_t *size,
142 int (*map_addr)(struct pci_epc *epc, u8 func_no, u8 vfunc_no,
144 void (*unmap_addr)(struct pci_epc *epc, u8 func_no, u8 vfunc_no,
146 int (*set_msi)(struct pci_epc *epc, u8 func_no, u8 vfunc_no,
148 int (*get_msi)(struct pci_epc *epc, u8 func_no, u8 vfunc_no);
149 int (*set_msix)(struct pci_epc *epc, u8 func_no, u8 vfunc_no,
151 int (*get_msix)(struct pci_epc *epc, u8 func_no, u8 vfunc_no);
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/linux/drivers/pci/endpoint/functions/
H A Dpci-epf-ntb.c83 struct epf_ntb_epc *epc[2]; member
95 struct pci_epc *epc; member
146 struct pci_epc *epc; in epf_ntb_link_up() local
152 ntb_epc = ntb->epc[type]; in epf_ntb_link_up()
153 epc = ntb_epc->epc; in epf_ntb_link_up()
163 ret = pci_epc_raise_irq(epc, func_no, vfunc_no, irq_type, 1); in epf_ntb_link_up()
165 dev_err(&epc->dev, in epf_ntb_link_up()
244 struct pci_epc *epc; in epf_ntb_configure_mw() local
248 ntb_epc = ntb->epc[type]; in epf_ntb_configure_mw()
249 epc = ntb_epc->epc; in epf_ntb_configure_mw()
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H A Dpci-epf-test.c260 filter.dev = epf->epc->dev.parent; in pci_epf_test_init_dma_chan()
361 struct pci_epc *epc = epf->epc; in pci_epf_test_copy() local
390 ret = pci_epc_mem_map(epc, epf->func_no, epf->vfunc_no, in pci_epf_test_copy()
398 ret = pci_epc_mem_map(epf->epc, epf->func_no, epf->vfunc_no, in pci_epf_test_copy()
403 pci_epc_mem_unmap(epc, epf->func_no, epf->vfunc_no, in pci_epf_test_copy()
430 pci_epc_mem_unmap(epc, epf->func_no, epf->vfunc_no, &dst_map); in pci_epf_test_copy()
431 pci_epc_mem_unmap(epc, epf->func_no, epf->vfunc_no, &src_map); in pci_epf_test_copy()
440 pci_epc_mem_unmap(epc, epf->func_no, epf->vfunc_no, &dst_map); in pci_epf_test_copy()
441 pci_epc_mem_unmap(epc, epf->func_no, epf->vfunc_no, &src_map); in pci_epf_test_copy()
465 struct pci_epc *epc = epf->epc; in pci_epf_test_read() local
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H A Dpci-epf-mhi.c172 struct pci_epc *epc = epf->epc; in __pci_epf_mhi_alloc_map() local
175 *vaddr = pci_epc_mem_alloc_addr(epc, paddr, size + offset); in __pci_epf_mhi_alloc_map()
179 ret = pci_epc_map_addr(epc, epf->func_no, epf->vfunc_no, *paddr, in __pci_epf_mhi_alloc_map()
182 pci_epc_mem_free_addr(epc, *paddr, *vaddr, size + offset); in __pci_epf_mhi_alloc_map()
210 struct pci_epc *epc = epf->epc; in __pci_epf_mhi_unmap_free() local
212 pci_epc_unmap_addr(epc, epf->func_no, epf->vfunc_no, paddr - offset); in __pci_epf_mhi_unmap_free()
213 pci_epc_mem_free_addr(epc, paddr - offset, vaddr - offset, in __pci_epf_mhi_unmap_free()
232 struct pci_epc *epc = epf->epc; in pci_epf_mhi_raise_irq() local
238 pci_epc_raise_irq(epc, epf->func_no, epf->vfunc_no, PCI_IRQ_MSI, in pci_epf_mhi_raise_irq()
313 struct device *dma_dev = epf_mhi->epf->epc->dev.parent; in pci_epf_mhi_edma_read()
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H A Dpci-epf-vntb.c240 ret = pci_epc_map_addr(ntb->epf->epc, func_no, vfunc_no, phys_addr, addr, size); in epf_ntb_configure_mw()
242 dev_err(&ntb->epf->epc->dev, in epf_ntb_configure_mw()
257 pci_epc_unmap_addr(ntb->epf->epc, in epf_ntb_teardown_mw()
387 pci_epc_clear_bar(ntb->epf->epc, ntb->epf->func_no, ntb->epf->vfunc_no, epf_bar); in epf_ntb_config_sspad_bar_clear()
416 ret = pci_epc_set_bar(ntb->epf->epc, func_no, vfunc_no, epf_bar); in epf_ntb_config_sspad_bar_set()
458 const struct pci_epc_features *epc_features = pci_epc_get_features(epf->epc, in epf_ntb_config_spad_bar_alloc()
510 epc_features = pci_epc_get_features(ntb->epf->epc, ntb->epf->func_no, ntb->epf->vfunc_no); in epf_ntb_configure_interrupt()
524 ret = pci_epc_set_msi(ntb->epf->epc, in epf_ntb_configure_interrupt()
628 ret = pci_epc_set_bar(ntb->epf->epc, ntb->epf->func_no, in epf_ntb_db_bar_init_msi_doorbell()
688 epc_features = pci_epc_get_features(ntb->epf->epc, in epf_ntb_db_bar_init()
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/linux/drivers/pci/controller/
H A Dpcie-rockchip-ep.c50 struct pci_epc *epc; member
114 static int rockchip_pcie_ep_write_header(struct pci_epc *epc, u8 fn, u8 vfn, in rockchip_pcie_ep_write_header() argument
118 struct rockchip_pcie_ep *ep = epc_get_drvdata(epc); in rockchip_pcie_ep_write_header()
151 static int rockchip_pcie_ep_set_bar(struct pci_epc *epc, u8 fn, u8 vfn, in rockchip_pcie_ep_set_bar() argument
154 struct rockchip_pcie_ep *ep = epc_get_drvdata(epc); in rockchip_pcie_ep_set_bar()
219 static void rockchip_pcie_ep_clear_bar(struct pci_epc *epc, u8 fn, u8 vfn, in rockchip_pcie_ep_clear_bar() argument
222 struct rockchip_pcie_ep *ep = epc_get_drvdata(epc); in rockchip_pcie_ep_clear_bar()
253 static u64 rockchip_pcie_ep_align_addr(struct pci_epc *epc, u64 pci_addr, in rockchip_pcie_ep_align_addr() argument
256 struct rockchip_pcie_ep *ep = epc_get_drvdata(epc); in rockchip_pcie_ep_align_addr()
275 static int rockchip_pcie_ep_map_addr(struct pci_epc *epc, u8 fn, u8 vfn, in rockchip_pcie_ep_map_addr() argument
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/linux/arch/mips/kvm/
H A Demulate.c46 long epc = instpc; in kvm_compute_return_epc() local
50 if (epc & 3) { in kvm_compute_return_epc()
56 err = kvm_get_badinstrp((u32 *)epc, vcpu, &insn.word); in kvm_compute_return_epc()
65 arch->gprs[insn.r_format.rd] = epc + 8; in kvm_compute_return_epc()
85 epc = epc + 4 + (insn.i_format.simmediate << 2); in kvm_compute_return_epc()
87 epc += 8; in kvm_compute_return_epc()
88 nextpc = epc; in kvm_compute_return_epc()
94 epc = epc + 4 + (insn.i_format.simmediate << 2); in kvm_compute_return_epc()
96 epc += 8; in kvm_compute_return_epc()
97 nextpc = epc; in kvm_compute_return_epc()
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/linux/arch/riscv/kernel/
H A Dcfi.c38 if (get_kernel_nofault(insn, (void *)regs->epc - 4)) in decode_cfi_insn()
45 if (get_kernel_nofault(insn, (void *)regs->epc) || in decode_cfi_insn()
46 get_kernel_nofault(insn, (void *)regs->epc + GET_INSN_LENGTH(insn))) in decode_cfi_insn()
70 if (!is_cfi_trap(regs->epc)) in handle_cfi_failure()
74 return report_cfi_failure_noaddr(regs, regs->epc); in handle_cfi_failure()
76 return report_cfi_failure(regs, regs->epc, &target, type); in handle_cfi_failure()
H A Dtraps.c151 do_trap_error(regs, signo, code, regs->epc, "Oops - " str); \
156 do_trap_error(regs, signo, code, regs->epc, "Oops - " str); \
180 do_trap_error(regs, SIGILL, ILL_ILLOPC, regs->epc, in do_trap_insn_illegal()
188 do_trap_error(regs, SIGILL, ILL_ILLOPC, regs->epc, in do_trap_insn_illegal()
228 do_trap_error(regs, SIGBUS, BUS_ADRALN, regs->epc, in do_trap_misaligned()
293 force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)regs->epc); in handle_break()
299 else if (report_bug(regs->epc, regs) == BUG_TRAP_TYPE_WARN || in handle_break()
301 regs->epc += get_break_insn_length(regs->epc); in handle_break()
332 regs->epc += 4; in do_trap_ecall_u()
348 do_trap_error(regs, SIGILL, ILL_ILLTRP, regs->epc, in do_trap_ecall_u()
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H A Dsignal.c347 frame, (void *)regs->epc, (void *)regs->sp); in SYSCALL_DEFINE0()
468 regs->epc = (unsigned long)ksig->ka.sa.sa_handler; in setup_rt_frame()
477 (void *)regs->epc, (void *)regs->ra, frame); in setup_rt_frame()
508 continue_addr = regs->epc; in arch_do_signal_or_restart()
525 regs->epc = restart_addr; in arch_do_signal_or_restart()
540 if (regs->epc == restart_addr && in arch_do_signal_or_restart()
546 regs->epc = continue_addr; in arch_do_signal_or_restart()
558 if (syscall && regs->epc == restart_addr && retval == -ERESTART_RESTARTBLOCK) in arch_do_signal_or_restart()
H A Dkgdb.c39 unsigned long pc = regs->epc; in get_step_address()
201 {DBG_REG_EPC, GDB_SIZEOF_REG, offsetof(struct pt_regs, epc)},
255 regs->epc = pc; in kgdb_arch_set_pc()
283 regs->epc = addr; in kgdb_arch_update_addr()
333 type = kgdb_riscv_kgdbbreak(regs->epc); in kgdb_riscv_notify()
344 regs->epc += 4; in kgdb_riscv_notify()
H A Dcompat_signal.c155 frame, (void *)regs->epc, (void *)regs->sp); in COMPAT_SYSCALL_DEFINE0()
232 regs->epc = (unsigned long)ksig->ka.sa.sa_handler; in compat_setup_rt_frame()
241 (void *)regs->epc, (void *)regs->ra, frame); in compat_setup_rt_frame()
/linux/arch/riscv/include/asm/
H A Dftrace.h128 unsigned long epc; member
161 return arch_ftrace_regs(fregs)->epc; in ftrace_regs_get_instruction_pointer()
167 arch_ftrace_regs(fregs)->epc = pc; in ftrace_regs_set_instruction_pointer()
206 arch_ftrace_regs(fregs)->epc = arch_ftrace_regs(fregs)->ra; in ftrace_override_function_with_return()
215 regs->epc = afregs->epc; in ftrace_partial_regs()
H A Dptrace.h16 unsigned long epc; member
74 return regs->epc; in instruction_pointer()
79 regs->epc = val; in instruction_pointer_set()
/linux/arch/riscv/mm/
H A Dextable.c26 regs->epc = get_ex_fixup(ex); in ex_handler_fixup()
57 regs->epc = get_ex_fixup(ex); in ex_handler_uaccess_err_zero()
78 regs->epc = get_ex_fixup(ex); in ex_handler_load_unaligned_zeropad()
86 ex = search_exception_tables(regs->epc); in fixup_exception()
/linux/arch/csky/kernel/
H A Datomic.S21 mfcr a3, epc
53 mtcr a3, epc
/linux/tools/testing/selftests/kvm/riscv/
H A Debreak_test.c32 WRITE_ONCE(sw_bp_addr, regs->epc); in guest_breakpoint_handler()
33 regs->epc += 4; in guest_breakpoint_handler()
/linux/include/uapi/linux/
H A Dzorro.h36 #define ZORRO_ID(manuf, prod, epc) \ argument
37 ((ZORRO_MANUF_##manuf << 16) | ((prod) << 8) | (epc))

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