| /kernel/linux/linux-6.6/arch/x86/kvm/ |
| D | ioapic.c | 46 #include "ioapic.h"
54 struct kvm_ioapic *ioapic,
58 static unsigned long ioapic_read_indirect(struct kvm_ioapic *ioapic) in ioapic_read_indirect() argument
62 switch (ioapic->ioregsel) { in ioapic_read_indirect()
70 result = ((ioapic->id & 0xf) << 24); in ioapic_read_indirect()
75 u32 redir_index = (ioapic->ioregsel - 0x10) >> 1; in ioapic_read_indirect()
82 redir_content = ioapic->redirtbl[index].bits; in ioapic_read_indirect()
85 result = (ioapic->ioregsel & 0x1) ? in ioapic_read_indirect()
95 static void rtc_irq_eoi_tracking_reset(struct kvm_ioapic *ioapic) in rtc_irq_eoi_tracking_reset() argument
97 ioapic->rtc_status.pending_eoi = 0; in rtc_irq_eoi_tracking_reset()
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| D | ioapic.h | 14 #define IOAPIC_VERSION_ID 0x11 /* IOAPIC version */
26 #define IOAPIC_REG_APIC_ID 0x00 /* x86 IOAPIC only */
28 #define IOAPIC_REG_ARB_ID 0x02 /* x86 IOAPIC only */
30 /*ioapic delivery mode*/
114 int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int irq_source_id,
116 void kvm_ioapic_clear_all(struct kvm_ioapic *ioapic, int irq_source_id);
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| /kernel/linux/linux-5.10/arch/x86/kvm/ |
| D | ioapic.c | 45 #include "ioapic.h"
53 struct kvm_ioapic *ioapic,
57 static unsigned long ioapic_read_indirect(struct kvm_ioapic *ioapic, in ioapic_read_indirect() argument
63 switch (ioapic->ioregsel) { in ioapic_read_indirect()
71 result = ((ioapic->id & 0xf) << 24); in ioapic_read_indirect()
76 u32 redir_index = (ioapic->ioregsel - 0x10) >> 1; in ioapic_read_indirect()
83 redir_content = ioapic->redirtbl[index].bits; in ioapic_read_indirect()
86 result = (ioapic->ioregsel & 0x1) ? in ioapic_read_indirect()
96 static void rtc_irq_eoi_tracking_reset(struct kvm_ioapic *ioapic) in rtc_irq_eoi_tracking_reset() argument
98 ioapic->rtc_status.pending_eoi = 0; in rtc_irq_eoi_tracking_reset()
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| D | ioapic.h | 14 #define IOAPIC_VERSION_ID 0x11 /* IOAPIC version */
26 #define IOAPIC_REG_APIC_ID 0x00 /* x86 IOAPIC only */
28 #define IOAPIC_REG_ARB_ID 0x02 /* x86 IOAPIC only */
30 /*ioapic delivery mode*/
119 int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int irq_source_id,
121 void kvm_ioapic_clear_all(struct kvm_ioapic *ioapic, int irq_source_id);
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| /kernel/linux/linux-5.10/drivers/acpi/ |
| D | ioapic.c | 3 * IOAPIC/IOxAPIC/IOSAPIC driver
10 * Based on original drivers/pci/ioapic.c
21 #define pr_fmt(fmt) "ACPI: IOAPIC: " fmt
86 *type = "IOAPIC"; in acpi_is_ioapic()
101 struct acpi_pci_ioapic *ioapic; in handle_ioapic_add() local
110 list_for_each_entry(ioapic, &ioapic_list, list) in handle_ioapic_add()
111 if (ioapic->handle == handle) { in handle_ioapic_add()
122 ioapic = kzalloc(sizeof(*ioapic), GFP_KERNEL); in handle_ioapic_add()
123 if (!ioapic) { in handle_ioapic_add()
124 pr_err("cannot allocate memory for new IOAPIC\n"); in handle_ioapic_add()
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| D | processor_core.c | 268 struct acpi_madt_io_apic *ioapic = (struct acpi_madt_io_apic *)entry; in get_ioapic_id() local
270 if (ioapic->global_irq_base != gsi_base) in get_ioapic_id()
273 *phys_addr = ioapic->address; in get_ioapic_id()
274 *ioapic_id = ioapic->id; in get_ioapic_id()
335 * acpi_get_ioapic_id - Get IOAPIC ID and physical address matching @gsi_base
336 * @handle: ACPI object for IOAPIC device
338 * @phys_addr: Pointer to store physical address of matching IOAPIC record
341 * for an ACPI IOAPIC record matching @gsi_base.
342 * Return IOAPIC id and store physical address in @phys_addr if found a match,
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| /kernel/linux/linux-6.6/drivers/acpi/ |
| D | ioapic.c | 3 * IOAPIC/IOxAPIC/IOSAPIC driver
10 * Based on original drivers/pci/ioapic.c
21 #define pr_fmt(fmt) "ACPI: IOAPIC: " fmt
87 *type = "IOAPIC"; in acpi_is_ioapic()
102 struct acpi_pci_ioapic *ioapic; in handle_ioapic_add() local
111 list_for_each_entry(ioapic, &ioapic_list, list) in handle_ioapic_add()
112 if (ioapic->handle == handle) { in handle_ioapic_add()
123 ioapic = kzalloc(sizeof(*ioapic), GFP_KERNEL); in handle_ioapic_add()
124 if (!ioapic) { in handle_ioapic_add()
125 pr_err("cannot allocate memory for new IOAPIC\n"); in handle_ioapic_add()
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| D | processor_core.c | 326 struct acpi_madt_io_apic *ioapic = (struct acpi_madt_io_apic *)entry; in get_ioapic_id() local
328 if (ioapic->global_irq_base != gsi_base) in get_ioapic_id()
331 *phys_addr = ioapic->address; in get_ioapic_id()
332 *ioapic_id = ioapic->id; in get_ioapic_id()
393 * acpi_get_ioapic_id - Get IOAPIC ID and physical address matching @gsi_base
394 * @handle: ACPI object for IOAPIC device
396 * @phys_addr: Pointer to store physical address of matching IOAPIC record
399 * for an ACPI IOAPIC record matching @gsi_base.
400 * Return IOAPIC id and store physical address in @phys_addr if found a match,
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| /kernel/linux/linux-5.10/arch/x86/kernel/apic/ |
| D | io_apic.c | 105 static struct ioapic { struct
140 static inline int mp_ioapic_pin_count(int ioapic) in mp_ioapic_pin_count() argument
142 struct mp_ioapic_gsi *gsi_cfg = mp_ioapic_gsi_routing(ioapic); in mp_ioapic_pin_count()
147 static inline u32 mp_pin_to_gsi(int ioapic, int pin) in mp_pin_to_gsi() argument
149 return mp_ioapic_gsi_routing(ioapic)->gsi_base + pin; in mp_pin_to_gsi()
157 static inline struct irq_domain *mp_ioapic_irqdomain(int ioapic) in mp_ioapic_irqdomain() argument
159 return ioapics[ioapic].irqdomain; in mp_ioapic_irqdomain()
182 * disable_ioapic_support() - disables ioapic support at runtime
231 pr_err("IOAPIC %d: suspend/resume impossible!\n", idx); in alloc_ioapic_saved_registers()
671 * Restore IO APIC entries which was saved in the ioapic structure.
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| /kernel/linux/linux-6.6/arch/x86/kernel/apic/ |
| D | io_apic.c | 107 static struct ioapic { struct
142 static inline int mp_ioapic_pin_count(int ioapic) in mp_ioapic_pin_count() argument
144 struct mp_ioapic_gsi *gsi_cfg = mp_ioapic_gsi_routing(ioapic); in mp_ioapic_pin_count()
149 static inline u32 mp_pin_to_gsi(int ioapic, int pin) in mp_pin_to_gsi() argument
151 return mp_ioapic_gsi_routing(ioapic)->gsi_base + pin; in mp_pin_to_gsi()
159 static inline struct irq_domain *mp_ioapic_irqdomain(int ioapic) in mp_ioapic_irqdomain() argument
161 return ioapics[ioapic].irqdomain; in mp_ioapic_irqdomain()
184 * disable_ioapic_support() - disables ioapic support at runtime
233 pr_err("IOAPIC %d: suspend/resume impossible!\n", idx); in alloc_ioapic_saved_registers()
652 * Restore IO APIC entries which was saved in the ioapic structure.
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/interrupt-controller/ |
| D | intel,ce4100-ioapic.yaml | 4 $id: http://devicetree.org/schemas/interrupt-controller/intel,ce4100-ioapic.yaml#
18 from internal sources and from an external I/O APIC (ioapic).
22 Many of the Intel's generic devices like hpet, ioapic, lapic have
32 const: intel,ce4100-ioapic
56 compatible = "intel,ce4100-ioapic";
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| D | intel,ce4100-lapic.yaml | 18 from internal sources and from an external I/O APIC (ioapic).
22 Many of the Intel's generic devices like hpet, ioapic, lapic have
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| /kernel/linux/linux-5.10/arch/x86/kernel/acpi/ |
| D | boot.c | 70 * Locks related to IOAPIC hotplug
382 int ioapic; in mp_config_acpi_gsi() local
401 ioapic = mp_find_ioapic(gsi); in mp_config_acpi_gsi()
402 mp_irq.dstapic = mpc_ioapic_id(ioapic); in mp_config_acpi_gsi()
403 mp_irq.dstirq = mp_find_ioapic_pin(ioapic, gsi); in mp_config_acpi_gsi()
414 int ioapic, pin; in mp_register_ioapic_irq() local
416 /* Convert 'gsi' to 'ioapic.pin'(INTIN#) */ in mp_register_ioapic_irq()
417 ioapic = mp_find_ioapic(gsi); in mp_register_ioapic_irq()
418 if (ioapic < 0) { in mp_register_ioapic_irq()
419 pr_warn("Failed to find ioapic for gsi : %u\n", gsi); in mp_register_ioapic_irq()
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| /kernel/linux/linux-6.6/arch/x86/kernel/acpi/ |
| D | boot.c | 78 * Locks related to IOAPIC hotplug
464 int ioapic; in mp_config_acpi_gsi() local
483 ioapic = mp_find_ioapic(gsi); in mp_config_acpi_gsi()
484 mp_irq.dstapic = mpc_ioapic_id(ioapic); in mp_config_acpi_gsi()
485 mp_irq.dstirq = mp_find_ioapic_pin(ioapic, gsi); in mp_config_acpi_gsi()
495 int ioapic, pin; in mp_register_ioapic_irq() local
497 /* Convert 'gsi' to 'ioapic.pin'(INTIN#) */ in mp_register_ioapic_irq()
498 ioapic = mp_find_ioapic(gsi); in mp_register_ioapic_irq()
499 if (ioapic < 0) { in mp_register_ioapic_irq()
500 pr_warn("Failed to find ioapic for gsi : %u\n", gsi); in mp_register_ioapic_irq()
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| /kernel/linux/linux-6.6/Documentation/translations/zh_CN/core-api/irq/ |
| D | irq-domain.rst | 185 Device --> IOAPIC -> Interrupt remapping Controller -> Local APIC -> CPU
189 1) IOAPIC 控制器
206 IOAPIC irq_domain (manage IOAPIC delivery entries/pins)
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| /kernel/linux/linux-5.10/arch/x86/include/asm/ |
| D | hw_irq.h | 74 * @ioapic: IOAPIC specific allocation data
87 struct ioapic_alloc_info ioapic; member
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| D | io_apic.h | 124 extern int mpc_ioapic_id(int ioapic);
125 extern unsigned int mpc_ioapic_addr(int ioapic);
167 extern int mp_find_ioapic_pin(int ioapic, u32 gsi);
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| /kernel/linux/linux-6.6/arch/x86/include/asm/ |
| D | hw_irq.h | 72 * @ioapic: IOAPIC specific allocation data
85 struct ioapic_alloc_info ioapic; member
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| D | io_apic.h | 103 extern int mpc_ioapic_id(int ioapic);
104 extern unsigned int mpc_ioapic_addr(int ioapic);
146 extern int mp_find_ioapic_pin(int ioapic, u32 gsi);
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| /kernel/linux/linux-6.6/drivers/platform/x86/ |
| D | intel_scu_wdt.c | 37 /* IOAPIC builds identity mapping between GSI and IRQ on MID */ in tangier_probe()
41 dev_warn(&pdev->dev, "cannot find interrupt %d in ioapic\n", gsi); in tangier_probe()
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| /kernel/linux/linux-5.10/arch/x86/platform/intel-mid/device_libs/ |
| D | platform_mrfld_wdt.c | 36 /* IOAPIC builds identity mapping between GSI and IRQ on MID */ in tangier_probe()
40 dev_warn(&pdev->dev, "cannot find interrupt %d in ioapic\n", gsi); in tangier_probe()
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| /kernel/linux/linux-5.10/arch/loongarch/kvm/intc/ |
| D | ls7a_irq.c | 523 kvm_err("Failed register ioapic, err:%d\n", ret); in kvm_create_ls7a_ioapic()
532 kvm_err("Failed register alias ioapic, err:%d\n", ret); in kvm_create_ls7a_ioapic()
597 struct ls7a_kvm_ioapic *ioapic) in kvm_dump_ls7a_ioapic_state() argument
603 if (!ioapic) in kvm_dump_ls7a_ioapic_state()
607 ioapic_state = &(ioapic->ls7a_ioapic); in kvm_dump_ls7a_ioapic_state()
609 ls7a_ioapic_lock(ioapic, &flags); in kvm_dump_ls7a_ioapic_state()
632 ls7a_ioapic_unlock(ioapic, &flags); in kvm_dump_ls7a_ioapic_state()
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| /kernel/linux/linux-5.10/Documentation/core-api/irq/ |
| D | irq-domain.rst | 195 Device --> IOAPIC -> Interrupt remapping Controller -> Local APIC -> CPU
199 1) IOAPIC controller
216 IOAPIC irq_domain (manage IOAPIC delivery entries/pins)
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| /kernel/linux/linux-5.10/drivers/iommu/intel/ |
| D | irq_remapping.c | 333 pr_warn("Failed to set source-id of IOAPIC (%d)\n", apic); in set_ioapic_sid()
945 pr_info("IOAPIC id %d under DRHD base 0x%Lx IOMMU %d\n", in ir_parse_one_ioapic_scope()
989 * Finds the assocaition between IOAPIC's and its Interrupt-remapping
1018 pr_err(FW_BUG "ioapic %d has no mapping iommu, " in parse_ioapics_under_ir()
1284 …apic_printk(APIC_VERBOSE, KERN_DEBUG "IOAPIC[%d]: Set IRTE entry (P:%d FPD:%d Dst_Mode:%d Redir_hi… in intel_irq_remapping_prepare_irte()
1291 entry = (struct IR_IO_APIC_route_entry *)info->ioapic.entry; in intel_irq_remapping_prepare_irte()
1292 info->ioapic.entry = NULL; in intel_irq_remapping_prepare_irte()
1302 entry->vector = info->ioapic.pin; in intel_irq_remapping_prepare_irte()
1304 entry->trigger = info->ioapic.trigger; in intel_irq_remapping_prepare_irte()
1305 entry->polarity = info->ioapic.polarity; in intel_irq_remapping_prepare_irte()
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| /kernel/linux/linux-6.6/Documentation/core-api/irq/ |
| D | irq-domain.rst | 222 Device --> IOAPIC -> Interrupt remapping Controller -> Local APIC -> CPU
226 1) IOAPIC controller
243 IOAPIC irq_domain (manage IOAPIC delivery entries/pins)
|