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/linux/drivers/net/ipa/
H A Dgsi.c16 #include "gsi.h"
28 * The generic software interface (GSI) is an integral component of the IPA,
30 * and the IPA core. The modem uses the GSI layer as well.
40 * | GSI |
51 * Each EE uses a set of unidirectional GSI "channels," which allow transfer
63 * Each channel has a GSI "event ring" associated with it. An event ring
67 * The GSI then writes its doorbell for the event ring, causing the target
83 * Note that all GSI registers are little-endian, which is the assumed
169 return channel - &channel->gsi->channel[0]; in gsi_channel_id()
172 /* An initialized channel has a non-null GSI pointer */
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H A Dgsi.h26 struct gsi;
100 struct gsi *gsi; member
136 struct gsi { struct
147 u32 type_enabled_bitmap; /* GSI IRQ types enabled */
150 struct completion completion; /* Signals GSI command completion */
158 * gsi_setup() - Set up the GSI subsystem
159 * @gsi: Address of GSI structure embedded in an IPA structure argument
163 * Performs initialization that must wait until the GSI hardware is
166 int gsi_setup(struct gsi *gsi);
169 * gsi_teardown() - Tear down GSI subsystem
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H A Dgsi_reg.c8 #include "gsi.h"
12 /* Is this register ID valid for the current GSI version? */
13 static bool gsi_reg_id_valid(struct gsi *gsi, enum gsi_reg_id reg_id) in gsi_reg_id_valid() argument
18 return gsi->version >= IPA_VERSION_3_5; in gsi_reg_id_valid()
21 return gsi->version >= IPA_VERSION_3_5_1; in gsi_reg_id_valid()
24 return gsi->version >= IPA_VERSION_5_0; in gsi_reg_id_valid()
82 const struct reg *gsi_reg(struct gsi *gsi, enum gsi_reg_id reg_id) in gsi_reg() argument
84 if (WARN(!gsi_reg_id_valid(gsi, reg_id), "invalid reg %u\n", reg_id)) in gsi_reg()
87 return reg(gsi->regs, reg_id); in gsi_reg()
90 static const struct regs *gsi_regs(struct gsi *gsi) in gsi_regs() argument
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H A Dipa_gsi.h11 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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H A Dgsi_trans.h21 struct gsi;
28 * struct gsi_trans - a GSI transaction
31 * @gsi: GSI pointer
51 struct gsi *gsi; member
76 * @pool: GSI transaction pool pointer
136 * @gsi: GSI pointer
142 bool gsi_channel_trans_idle(struct gsi *gsi, u32 channel_id);
145 * gsi_channel_trans_alloc() - Allocate a GSI transaction on a channel
146 * @gsi: GSI pointer
151 * Return: A GSI transaction structure, or a null pointer if all
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H A Dipa_version.h13 * @IPA_VERSION_3_0: IPA version 3.0/GSI version 1.0
14 * @IPA_VERSION_3_1: IPA version 3.1/GSI version 1.0
15 * @IPA_VERSION_3_5: IPA version 3.5/GSI version 1.2
16 * @IPA_VERSION_3_5_1: IPA version 3.5.1/GSI version 1.3
17 * @IPA_VERSION_4_0: IPA version 4.0/GSI version 2.0
18 * @IPA_VERSION_4_1: IPA version 4.1/GSI version 2.0
19 * @IPA_VERSION_4_2: IPA version 4.2/GSI version 2.2
20 * @IPA_VERSION_4_5: IPA version 4.5/GSI version 2.5
21 * @IPA_VERSION_4_7: IPA version 4.7/GSI version 2.7
22 * @IPA_VERSION_4_9: IPA version 4.9/GSI version 2.9
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H A Dgsi_reg.h9 /* === Only "gsi.c" and "gsi_reg.c" should include this file === */
15 struct gsi;
18 * DOC: GSI Registers
20 * GSI registers are located within the "gsi" address space defined by Device
22 * symbols defined below. The GSI address space is mapped to virtual memory
23 * space in gsi_init(). All GSI registers are 32 bits wide.
26 * For example, each GSI channel has its own set of registers defining its
45 /* enum gsi_reg_id - GSI register IDs */
262 * enum gsi_irq_type_id: GSI IRQ types
282 /** enum gsi_global_irq_id: Global GSI interrupt events */
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H A Dipa_gsi.c18 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_gsi_trans_complete()
25 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_gsi_trans_release()
30 void ipa_gsi_channel_tx_queued(struct gsi *gsi, u32 channel_id, u32 count, in ipa_gsi_channel_tx_queued() argument
33 struct ipa *ipa = container_of(gsi, struct ipa, gsi); in ipa_gsi_channel_tx_queued()
41 void ipa_gsi_channel_tx_completed(struct gsi *gsi, u32 channel_id, u32 count, in ipa_gsi_channel_tx_completed() argument
44 struct ipa *ipa = container_of(gsi, struct ipa, gsi); in ipa_gsi_channel_tx_completed()
H A Dgsi_trans.c14 #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 operations
33 * To perform an operation (or set of them), a user of the GSI transaction
52 * transaction to the GSI transaction core. The GSI transaction code
57 * GSI hardware has completed it. Because transfers described by TREs are
63 * GSI code into the IPA layer, allowing it to perform any final cleanup
221 struct gsi_channel *channel = &trans->gsi->channel[trans->channel_id]; in gsi_trans_map()
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H A Dgsi_private.h9 /* === Only "gsi.c" and "gsi_trans.c" should include this file === */
13 struct gsi;
21 * gsi_trans_move_complete() - Mark a GSI transaction completed
33 * gsi_trans_complete() - Complete a GSI transaction
45 * Return: The GSI transaction pointer associated with the TRE index
73 * gsi_channel_trans_init() - Initialize a channel's GSI transaction info
74 * @gsi: GSI pointer
81 int gsi_channel_trans_init(struct gsi *gsi, u32 channel_id);
93 * Rings a channel's doorbell to inform the GSI hardware that new
H A Dipa.h12 #include "gsi.h"
26 * @gsi: Embedded GSI structure
66 * @channel_map: Mapping of GSI channel to IPA endpoint
74 struct gsi gsi; member
144 * The setup stage is performed only after the GSI hardware is ready
151 * In order for the GSI hardware to be functional it needs firmware to be
153 * GSI initialization can be done either by Trust Zone on the AP or by the
156 * If it's done by Trust Zone, the AP loads the GSI firmware and supplies
158 * verification was successful, the GSI layer is ready and ipa_setup()
161 * If the modem performs early GSI initialization, the AP needs to know
H A Dipa_cmd.c13 #include "gsi.h"
29 * Immediate commands are represented by GSI transactions just like other
30 * transfer requests, and use a single GSI TRE. Each immediate command
329 struct device *dev = channel->gsi->dev; in ipa_cmd_pool_init()
343 struct device *dev = channel->gsi->dev; in ipa_cmd_pool_exit()
355 trans_info = &ipa->gsi.channel[endpoint->channel_id].trans_info; in ipa_cmd_payload_alloc()
366 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_cmd_table_init_add()
404 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_cmd_hdr_init_local_add()
433 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_cmd_register_write_add()
490 struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi); in ipa_cmd_ip_packet_init_add()
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H A Dipa_cmd.h58 * @channel: AP->IPA command TX GSI channel pointer
67 * @channel: AP->IPA command TX GSI channel pointer
73 * @trans: GSI transaction
91 * @trans: GSI transaction
103 * @trans: GSI transaction
114 * @trans: GSI transaction
125 * @trans: GSI transaction
148 * Return: A GSI transaction structure, or a null pointer if all
/linux/drivers/infiniband/hw/mlx5/
H A Dgsi.c46 /* 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/Documentation/devicetree/bindings/net/
H A Dqcom,ipa.yaml19 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 |
66 - description: GSI registers
72 - const: gsi
87 - description: GSI interrupt (hardware IRQ)
94 - const: gsi
135 qcom,gsi-loader:
141 Indicates how GSI firmware should be loaded. If the AP loads
142 and validates GSI firmware, this property has value "self".
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/linux/drivers/perf/
H A Darm_pmu_acpi.c25 int gsi, trigger; in arm_pmu_acpi_register_irq() local
29 gsi = gicc->performance_interrupt; in arm_pmu_acpi_register_irq()
33 * have an interrupt. QEMU advertises this by using a GSI of zero, in arm_pmu_acpi_register_irq()
36 * GSI of zero for now. in arm_pmu_acpi_register_irq()
38 if (!gsi) in arm_pmu_acpi_register_irq()
57 return acpi_register_gsi(NULL, gsi, trigger, ACPI_ACTIVE_HIGH); in arm_pmu_acpi_register_irq()
63 int gsi; in arm_pmu_acpi_unregister_irq() local
67 gsi = gicc->performance_interrupt; in arm_pmu_acpi_unregister_irq()
68 if (gsi) in arm_pmu_acpi_unregister_irq()
69 acpi_unregister_gsi(gsi); in arm_pmu_acpi_unregister_irq()
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/linux/virt/kvm/
H A Deventfd.c49 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()
69 * then notify all of the resampler irqfds using this GSI. We can't
84 resampler->notifier.gsi, 0, false); in irqfd_resampler_ack()
109 resampler->notifier.gsi, 0, false); in irqfd_resampler_shutdown()
264 n_entries = kvm_irq_map_gsi(kvm, entries, irqfd->gsi); in irqfd_update()
323 irqfd->gsi = args->gsi; in kvm_irqfd_assign()
359 if (resampler->notifier.gsi == irqfd->gsi) { in kvm_irqfd_assign()
376 resampler->notifier.gsi = irqfd->gsi; in kvm_irqfd_assign()
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H A Dirqchip.c22 struct kvm_kernel_irq_routing_entry *entries, int gsi) in kvm_irq_map_gsi() argument
30 if (irq_rt && gsi < irq_rt->nr_rt_entries) { in kvm_irq_map_gsi()
31 hlist_for_each_entry(e, &irq_rt->map[gsi], link) { in kvm_irq_map_gsi()
134 u32 gsi = array_index_nospec(ue->gsi, KVM_MAX_IRQ_ROUTES); in setup_routing_entry() local
137 * Do not allow GSI to be mapped to the same irqchip more than once. in setup_routing_entry()
138 * Allow only one to one mapping between GSI and non-irqchip routing. in setup_routing_entry()
140 hlist_for_each_entry(ei, &rt->map[gsi], link) in setup_routing_entry()
146 e->gsi = gsi; in setup_routing_entry()
152 rt->chip[e->irqchip.irqchip][e->irqchip.pin] = e->gsi; in setup_routing_entry()
154 hlist_add_head(&e->link, &rt->map[e->gsi]); in setup_routing_entry()
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/linux/arch/x86/kernel/acpi/
H A Dboot.c100 * any gsi as specified by an interrupt source override.
366 u8 trigger, u32 gsi);
369 u32 gsi) in mp_override_legacy_irq() argument
387 if (mp_register_ioapic_irq(bus_irq, polarity, trigger, gsi) < 0) in mp_override_legacy_irq()
390 * Reset default identity mapping if gsi is also an legacy IRQ, in mp_override_legacy_irq()
391 * otherwise there will be more than one entry with the same GSI in mp_override_legacy_irq()
394 if (gsi < nr_legacy_irqs() && isa_irq_to_gsi[gsi] == gsi) in mp_override_legacy_irq()
395 isa_irq_to_gsi[gsi] = INVALID_ACPI_IRQ; in mp_override_legacy_irq()
396 isa_irq_to_gsi[bus_irq] = gsi; in mp_override_legacy_irq()
399 static void mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger, in mp_config_acpi_gsi() argument
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/linux/scripts/gcc-plugins/
H A Dlatent_entropy_plugin.c342 gimple_stmt_iterator gsi; in perturb_local_entropy() local
349 gsi = gsi_after_labels(bb); in perturb_local_entropy()
350 gsi_insert_before(&gsi, assign, GSI_NEW_STMT); in perturb_local_entropy()
354 static void __perturb_latent_entropy(gimple_stmt_iterator *gsi, in __perturb_latent_entropy() argument
368 gsi_insert_before(gsi, assign, GSI_NEW_STMT); in __perturb_latent_entropy()
374 gsi_insert_after(gsi, assign, GSI_NEW_STMT); in __perturb_latent_entropy()
379 gsi_insert_after(gsi, assign, GSI_NEW_STMT); in __perturb_latent_entropy()
385 gimple_stmt_iterator gsi; in handle_tail_calls() local
387 for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { in handle_tail_calls()
389 gimple stmt = gsi_stmt(gsi); in handle_tail_calls()
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H A Dstackleak_plugin.c54 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/drivers/acpi/
H A Dpci_irq.c30 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
426 gsi = acpi_pci_link_allocate_irq(entry->link, in acpi_pci_irq_enable()
431 gsi = entry->index; in acpi_pci_irq_enable()
433 gsi = -1; in acpi_pci_irq_enable()
435 if (gsi < 0) { in acpi_pci_irq_enable()
446 dev_warn(&dev->dev, "PCI INT %c: no GSI\n", in acpi_pci_irq_enable()
453 rc = acpi_register_gsi(&dev->dev, gsi, triggering, polarity); in acpi_pci_irq_enable()
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/linux/drivers/irqchip/
H A Dirq-loongarch-cpu.c21 static u32 lpic_gsi_to_irq(u32 gsi) in lpic_gsi_to_irq() argument
26 if (gsi >= GSI_MIN_PCH_IRQ && gsi <= GSI_MAX_PCH_IRQ) in lpic_gsi_to_irq()
27 irq = acpi_register_gsi(NULL, gsi, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_HIGH); in lpic_gsi_to_irq()
32 static struct fwnode_handle *lpic_get_gsi_domain_id(u32 gsi) in lpic_get_gsi_domain_id() argument
37 switch (gsi) { in lpic_get_gsi_domain_id()
49 id = find_pch_pic(gsi); in lpic_get_gsi_domain_id()
/linux/arch/x86/xen/
H A Denlighten_pvh.c35 int xen_pvh_setup_gsi(int gsi, int trigger, int polarity) in xen_pvh_setup_gsi() argument
40 setup_gsi.gsi = gsi; in xen_pvh_setup_gsi()
46 xen_raw_printk("Already setup the GSI :%d\n", gsi); in xen_pvh_setup_gsi()
49 xen_raw_printk("Fail to setup GSI (%d)!\n", gsi); in xen_pvh_setup_gsi()
/linux/drivers/xen/
H A Dacpi.c92 int gsi; in xen_acpi_get_gsi_info() local
109 gsi = acpi_pci_link_allocate_irq(entry->link, in xen_acpi_get_gsi_info()
114 gsi = entry->index; in xen_acpi_get_gsi_info()
116 gsi = -1; in xen_acpi_get_gsi_info()
118 if (gsi < 0) in xen_acpi_get_gsi_info()
121 *gsi_out = gsi; in xen_acpi_get_gsi_info()

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