| /Linux-v5.15/drivers/infiniband/hw/mlx5/ |
| D | gsi.c | 46 /* Call with gsi->lock locked */
49 struct mlx5_ib_gsi_qp *gsi = &mqp->gsi; in generate_completions() local
54 for (index = gsi->outstanding_ci; index != gsi->outstanding_pi; in generate_completions()
56 wr = &gsi->outstanding_wrs[index % gsi->cap.max_send_wr]; in generate_completions()
65 gsi->outstanding_ci = index; in generate_completions()
70 struct mlx5_ib_gsi_qp *gsi = cq->cq_context; in handle_single_completion() local
73 struct mlx5_ib_qp *mqp = container_of(gsi, struct mlx5_ib_qp, gsi); in handle_single_completion()
77 spin_lock_irqsave(&gsi->lock, flags); in handle_single_completion()
85 spin_unlock_irqrestore(&gsi->lock, flags); in handle_single_completion()
92 struct mlx5_ib_gsi_qp *gsi; in mlx5_ib_create_gsi() local
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| /Linux-v5.15/drivers/net/ipa/ |
| D | gsi.c | 18 #include "gsi.h"
29 * The generic software interface (GSI) is an integral component of the IPA,
31 * and the IPA core. The modem uses the GSI layer as well.
41 * | GSI |
52 * Each EE uses a set of unidirectional GSI "channels," which allow transfer
64 * Each channel has a GSI "event ring" associated with it. An event ring
68 * The GSI then writes its doorbell for the event ring, causing the target
84 * Note that all GSI registers are little-endian, which is the assumed
175 return channel - &channel->gsi->channel[0]; in gsi_channel_id()
178 /* An initialized channel has a non-null GSI pointer */
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| D | gsi.h | 29 struct gsi;
109 struct gsi *gsi; member
148 struct gsi { struct
161 u32 type_enabled_bitmap; /* GSI IRQ types enabled */
169 * gsi_setup() - Set up the GSI subsystem
170 * @gsi: Address of GSI structure embedded in an IPA structure argument
174 * Performs initialization that must wait until the GSI hardware is
177 int gsi_setup(struct gsi *gsi);
180 * gsi_teardown() - Tear down GSI subsystem
181 * @gsi: GSI address previously passed to a successful gsi_setup() call
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| D | ipa_gsi.h | 11 struct gsi;
16 * ipa_gsi_trans_complete() - GSI transaction completion callback
19 * This called from the GSI layer to notify the IPA layer that a
25 * ipa_gsi_trans_release() - GSI transaction release callback
28 * This called from the GSI layer to notify the IPA layer that a
35 * ipa_gsi_channel_tx_queued() - GSI queued to hardware notification
36 * @gsi: GSI pointer
41 * This called from the GSI layer to notify the IPA layer that some
44 void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count,
48 * ipa_gsi_channel_tx_completed() - GSI transaction completion callback
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| D | ipa_version.h | 11 * @IPA_VERSION_3_0: IPA version 3.0/GSI version 1.0
12 * @IPA_VERSION_3_1: IPA version 3.1/GSI version 1.1
13 * @IPA_VERSION_3_5: IPA version 3.5/GSI version 1.2
14 * @IPA_VERSION_3_5_1: IPA version 3.5.1/GSI version 1.3
15 * @IPA_VERSION_4_0: IPA version 4.0/GSI version 2.0
16 * @IPA_VERSION_4_1: IPA version 4.1/GSI version 2.0
17 * @IPA_VERSION_4_2: IPA version 4.2/GSI version 2.2
18 * @IPA_VERSION_4_5: IPA version 4.5/GSI version 2.5
19 * @IPA_VERSION_4_7: IPA version 4.7/GSI version 2.7
20 * @IPA_VERSION_4_9: IPA version 4.9/GSI version 2.9
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| D | gsi_trans.h | 21 struct gsi;
26 * struct gsi_trans - a GSI transaction
30 * @gsi: GSI pointer
51 struct gsi *gsi; member
74 * @pool: GSI transaction poll pointer
133 * gsi_channel_trans_alloc() - Allocate a GSI transaction on a channel
134 * @gsi: GSI pointer
139 * Return: A GSI transaction structure, or a null pointer if all
142 struct gsi_trans *gsi_channel_trans_alloc(struct gsi *gsi, u32 channel_id,
147 * gsi_trans_free() - Free a previously-allocated GSI transaction
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| D | ipa_gsi.c | 17 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_gsi_trans_complete()
24 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_gsi_trans_release()
29 void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count, in ipa_gsi_channel_tx_queued() argument
32 struct ipa *ipa = container_of(gsi, struct ipa, gsi); in ipa_gsi_channel_tx_queued()
40 void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count, in ipa_gsi_channel_tx_completed() argument
43 struct ipa *ipa = container_of(gsi, struct ipa, gsi); in ipa_gsi_channel_tx_completed()
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| D | gsi_trans.c | 14 #include "gsi.h"
22 * DOC: GSI Transactions
24 * A GSI transaction abstracts the behavior of a GSI channel by representing
27 * command.) Most details of interaction with the GSI hardware are managed
28 * by the GSI transaction core, allowing users to simply describe commands
33 * To perform a command (or set of them), a user of the GSI transaction
52 * Committing transfers ownership of the entire transaction to the GSI
53 * transaction core. The GSI transaction code formats the content of
58 * GSI hardware has completed it. Because transfers described by TREs are
64 * GSI code into the IPA layer, allowing it to perform any final cleanup
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| D | ipa_data.h | 16 * DOC: IPA/GSI Configuration Data
19 * IPA and GSI resources to use for a given platform. This data is supplied
30 * GSI channels. A channel is a GSI construct, and represents a single
34 * the only GSI channels of concern to this driver belong to the AP
40 * added. IPA endpoint and GSI channel configuration data are defined
44 * are common to IPA and GSI (EE ID, channel ID, endpoint ID, and direction);
45 * properties associated with the GSI channel; and properties associated with
71 * struct gsi_channel_data - GSI channel configuration data
76 * A GSI channel is a unidirectional means of transferring data to or
77 * from (and through) the IPA. A GSI channel has a ring buffer made
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| D | ipa.h | 15 #include "gsi.h"
32 * @gsi: Embedded GSI structure
66 * @channel_map: Mapping of GSI channel to IPA endpoint
74 struct gsi gsi; member
138 * The setup stage is performed only after the GSI hardware is ready
145 * In order for the GSI hardware to be functional it needs firmware to be
147 * GSI initialization can be done either by Trust Zone on the AP or by the
150 * If it's done by Trust Zone, the AP loads the GSI firmware and supplies
152 * verification was successful, the GSI layer is ready and ipa_setup()
155 * If the modem performs early GSI initialization, the AP needs to know
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| D | gsi_private.h | 9 /* === Only "gsi.c" and "gsi_trans.c" should include this file === */
23 * gsi_trans_move_complete() - Mark a GSI transaction completed
35 * gsi_trans_complete() - Complete a GSI transaction
47 * Return: The GSI transaction pointer associated with the TRE index
75 * gsi_channel_trans_init() - Initialize a channel's GSI transaction info
76 * @gsi: GSI pointer
83 int gsi_channel_trans_init(struct gsi *gsi, u32 channel_id);
95 * Rings a channel's doorbell to inform the GSI hardware that new
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| D | ipa_cmd.c | 13 #include "gsi.h"
28 * Immediate commands are represented by GSI transactions just like other
29 * transfer requests, represented by a single GSI TRE. Each immediate
352 struct device *dev = channel->gsi->dev; in ipa_cmd_pool_init()
381 struct device *dev = channel->gsi->dev; in ipa_cmd_pool_exit()
394 trans_info = &ipa->gsi.channel[endpoint->channel_id].trans_info; in ipa_cmd_payload_alloc()
405 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_cmd_table_init_add()
444 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_cmd_hdr_init_local_add()
474 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_cmd_register_write_add()
531 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_cmd_ip_packet_init_add()
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| D | ipa_endpoint.c | 14 #include "gsi.h"
230 struct gsi *gsi = &endpoint->ipa->gsi; in ipa_endpoint_trans_alloc() local
236 return gsi_channel_trans_alloc(gsi, channel_id, tre_count, direction); in ipa_endpoint_trans_alloc()
1063 struct gsi *gsi; in ipa_endpoint_replenish() local
1093 gsi = &endpoint->ipa->gsi; in ipa_endpoint_replenish()
1094 if (backlog == gsi_channel_tre_max(gsi, endpoint->channel_id)) in ipa_endpoint_replenish()
1101 struct gsi *gsi = &endpoint->ipa->gsi; in ipa_endpoint_replenish_enable() local
1110 max_backlog = gsi_channel_tre_max(gsi, endpoint->channel_id); in ipa_endpoint_replenish_enable()
1400 * on its underlying GSI channel, a special sequence of actions must be
1409 struct gsi *gsi = &ipa->gsi; in ipa_endpoint_reset_rx_aggr() local
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| /Linux-v5.15/drivers/acpi/ |
| D | irq.c | 3 * ACPI GSI IRQ layer
18 * acpi_gsi_to_irq() - Retrieve the linux irq number for a given GSI
19 * @gsi: GSI IRQ number to map
27 int acpi_gsi_to_irq(u32 gsi, unsigned int *irq) in acpi_gsi_to_irq() argument
32 *irq = irq_find_mapping(d, gsi); in acpi_gsi_to_irq()
42 * acpi_register_gsi() - Map a GSI to a linux IRQ number
44 * @gsi: GSI IRQ number
45 * @trigger: trigger type of the GSI number to be mapped
46 * @polarity: polarity of the GSI to be mapped
51 int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, in acpi_register_gsi() argument
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| D | evged.c | 51 unsigned int gsi; member
61 acpi_ret = acpi_execute_simple_method(event->handle, NULL, event->gsi); in acpi_ged_irq_handler()
73 unsigned int gsi; in acpi_ged_request_interrupt() local
93 gsi = p->interrupts[0]; in acpi_ged_request_interrupt()
96 gsi = pext->interrupts[0]; in acpi_ged_request_interrupt()
102 switch (gsi) { in acpi_ged_request_interrupt()
105 trigger == ACPI_EDGE_SENSITIVE ? 'E' : 'L', gsi); in acpi_ged_request_interrupt()
122 event->gsi = gsi; in acpi_ged_request_interrupt()
136 dev_dbg(dev, "GED listening GSI %u @ IRQ %u\n", gsi, irq); in acpi_ged_request_interrupt()
171 dev_dbg(geddev->dev, "GED releasing GSI %u @ IRQ %u\n", in ged_shutdown()
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| D | pci_irq.c | 30 u32 index; /* GSI, or link _CRS index */
327 dev_dbg(&dev->dev, "Derived GSI INT %c from %s\n", in acpi_pci_irq_lookup()
350 dev_warn(&dev->dev, "PCI INT %c: no GSI - using ISA IRQ %d\n", in acpi_isa_register_gsi()
386 int gsi; in acpi_pci_irq_enable() local
424 gsi = acpi_pci_link_allocate_irq(entry->link, in acpi_pci_irq_enable()
429 gsi = entry->index; in acpi_pci_irq_enable()
431 gsi = -1; in acpi_pci_irq_enable()
433 if (gsi < 0) { in acpi_pci_irq_enable()
444 dev_warn(&dev->dev, "PCI INT %c: no GSI\n", in acpi_pci_irq_enable()
451 rc = acpi_register_gsi(&dev->dev, gsi, triggering, polarity); in acpi_pci_irq_enable()
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| /Linux-v5.15/arch/ia64/kernel/ |
| D | iosapic.c | 58 * Each interrupt line has a unique Global System Interrupt (GSI) number
59 * which can be calculated as the sum of the controller's base GSI number
74 * PCI pin -> global system interrupt (GSI) -> IA-64 vector <-> IRQ
119 unsigned int gsi_base; /* GSI base */
161 * Find an IOSAPIC associated with a GSI
164 find_iosapic (unsigned int gsi) in find_iosapic() argument
169 if ((unsigned) (gsi - iosapic_lists[i].gsi_base) < in find_iosapic()
177 static inline int __gsi_to_irq(unsigned int gsi) in __gsi_to_irq() argument
186 if (rte->iosapic->gsi_base + rte->rte_index == gsi) in __gsi_to_irq()
193 gsi_to_irq (unsigned int gsi) in gsi_to_irq() argument
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| /Linux-v5.15/arch/x86/pci/ |
| D | xen.c | 4 * initial domain support. We also handle the DSDT _PRT callbacks for GSI's
37 u8 gsi; in xen_pcifront_enable_irq() local
39 rc = pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &gsi); in xen_pcifront_enable_irq()
46 pirq = gsi; in xen_pcifront_enable_irq()
48 if (gsi < nr_legacy_irqs()) in xen_pcifront_enable_irq()
51 rc = xen_bind_pirq_gsi_to_irq(gsi, pirq, share, "pcifront"); in xen_pcifront_enable_irq()
53 dev_warn(&dev->dev, "Xen PCI: failed to bind GSI%d (PIRQ%d) to IRQ: %d\n", in xen_pcifront_enable_irq()
54 gsi, pirq, rc); in xen_pcifront_enable_irq()
59 dev_info(&dev->dev, "Xen PCI mapped GSI%d to IRQ%d\n", gsi, dev->irq); in xen_pcifront_enable_irq()
64 static int xen_register_pirq(u32 gsi, int triggering, bool set_pirq) in xen_register_pirq() argument
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| /Linux-v5.15/drivers/perf/ |
| D | arm_pmu_acpi.c | 24 int gsi, trigger; in arm_pmu_acpi_register_irq() local
28 gsi = gicc->performance_interrupt; in arm_pmu_acpi_register_irq()
32 * have an interrupt. QEMU advertises this by using a GSI of zero, in arm_pmu_acpi_register_irq()
35 * GSI of zero for now. in arm_pmu_acpi_register_irq()
37 if (!gsi) in arm_pmu_acpi_register_irq()
56 return acpi_register_gsi(NULL, gsi, trigger, ACPI_ACTIVE_HIGH); in arm_pmu_acpi_register_irq()
62 int gsi; in arm_pmu_acpi_unregister_irq() local
66 gsi = gicc->performance_interrupt; in arm_pmu_acpi_unregister_irq()
67 if (gsi) in arm_pmu_acpi_unregister_irq()
68 acpi_unregister_gsi(gsi); in arm_pmu_acpi_unregister_irq()
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| /Linux-v5.15/virt/kvm/ |
| D | irqchip.c | 23 struct kvm_kernel_irq_routing_entry *entries, int gsi) in kvm_irq_map_gsi() argument
31 if (irq_rt && gsi < irq_rt->nr_rt_entries) { in kvm_irq_map_gsi()
32 hlist_for_each_entry(e, &irq_rt->map[gsi], link) { in kvm_irq_map_gsi()
135 u32 gsi = array_index_nospec(ue->gsi, KVM_MAX_IRQ_ROUTES); in setup_routing_entry() local
138 * Do not allow GSI to be mapped to the same irqchip more than once. in setup_routing_entry()
139 * Allow only one to one mapping between GSI and non-irqchip routing. in setup_routing_entry()
141 hlist_for_each_entry(ei, &rt->map[gsi], link) in setup_routing_entry()
147 e->gsi = gsi; in setup_routing_entry()
153 rt->chip[e->irqchip.irqchip][e->irqchip.pin] = e->gsi; in setup_routing_entry()
155 hlist_add_head(&e->link, &rt->map[e->gsi]); in setup_routing_entry()
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| D | eventfd.c | 49 kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 1, in irqfd_inject()
51 kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 0, in irqfd_inject()
55 irqfd->gsi, 1, false); in irqfd_inject()
60 * then notify all of the resampler irqfds using this GSI. We can't
76 resampler->notifier.gsi, 0, false); in irqfd_resampler_ack()
101 resampler->notifier.gsi, 0, false); in irqfd_resampler_shutdown()
254 n_entries = kvm_irq_map_gsi(kvm, entries, irqfd->gsi); in irqfd_update()
307 irqfd->gsi = args->gsi; in kvm_irqfd_assign()
343 if (resampler->notifier.gsi == irqfd->gsi) { in kvm_irqfd_assign()
360 resampler->notifier.gsi = irqfd->gsi; in kvm_irqfd_assign()
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| /Linux-v5.15/arch/x86/kernel/acpi/ |
| D | boot.c | 95 * any gsi as specified by an interrupt source override.
336 u8 trigger, u32 gsi);
339 u32 gsi) in mp_override_legacy_irq() argument
357 if (mp_register_ioapic_irq(bus_irq, polarity, trigger, gsi) < 0) in mp_override_legacy_irq()
360 * Reset default identity mapping if gsi is also an legacy IRQ, in mp_override_legacy_irq()
361 * otherwise there will be more than one entry with the same GSI in mp_override_legacy_irq()
364 if (gsi < nr_legacy_irqs() && isa_irq_to_gsi[gsi] == gsi) in mp_override_legacy_irq()
365 isa_irq_to_gsi[gsi] = INVALID_ACPI_IRQ; in mp_override_legacy_irq()
366 isa_irq_to_gsi[bus_irq] = gsi; in mp_override_legacy_irq()
369 static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger, in mp_config_acpi_gsi() argument
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| /Linux-v5.15/scripts/gcc-plugins/ |
| D | latent_entropy_plugin.c | 336 gimple_stmt_iterator gsi; in perturb_local_entropy() local
343 gsi = gsi_after_labels(bb); in perturb_local_entropy()
344 gsi_insert_before(&gsi, assign, GSI_NEW_STMT); in perturb_local_entropy()
348 static void __perturb_latent_entropy(gimple_stmt_iterator *gsi, in __perturb_latent_entropy() argument
362 gsi_insert_before(gsi, assign, GSI_NEW_STMT); in __perturb_latent_entropy()
368 gsi_insert_after(gsi, assign, GSI_NEW_STMT); in __perturb_latent_entropy()
373 gsi_insert_after(gsi, assign, GSI_NEW_STMT); in __perturb_latent_entropy()
379 gimple_stmt_iterator gsi; in handle_tail_calls() local
381 for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { in handle_tail_calls()
383 gimple stmt = gsi_stmt(gsi); in handle_tail_calls()
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| D | stackleak_plugin.c | 54 static void add_stack_tracking_gcall(gimple_stmt_iterator *gsi, bool after) in add_stack_tracking_gcall() argument
65 gsi_insert_after(gsi, gimple_call, GSI_CONTINUE_LINKING); in add_stack_tracking_gcall()
67 gsi_insert_before(gsi, gimple_call, GSI_SAME_STMT); in add_stack_tracking_gcall()
113 static void add_stack_tracking_gasm(gimple_stmt_iterator *gsi, bool after) in add_stack_tracking_gasm() argument
134 add_stack_tracking_gcall(gsi, after); in add_stack_tracking_gasm()
144 gsi_insert_after(gsi, asm_call, GSI_CONTINUE_LINKING); in add_stack_tracking_gasm()
146 gsi_insert_before(gsi, asm_call, GSI_SAME_STMT); in add_stack_tracking_gasm()
150 static void add_stack_tracking(gimple_stmt_iterator *gsi, bool after) in add_stack_tracking() argument
161 add_stack_tracking_gasm(gsi, after); in add_stack_tracking()
163 add_stack_tracking_gcall(gsi, after); in add_stack_tracking()
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| /Linux-v5.15/Documentation/devicetree/bindings/net/ |
| D | qcom,ipa.yaml | 19 a Generic Software Interface (GSI) to each execution environment.
20 The GSI is an integral part of the IPA, but it is logically isolated
37 | GSI |
58 - description: GSI registers
64 - const: gsi
78 - description: GSI interrupt (hardware IRQ)
85 - const: gsi
127 validating firwmare used by the GSI.
202 "gsi";
209 "gsi",
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