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| 1 | +/* SPDX-License-Identifier: GPL-2.0-only */ |
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1 | 2 | /* |
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2 | 3 | * Copyright (C) 2016,2017 ARM Limited, All Rights Reserved. |
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3 | 4 | * Author: Marc Zyngier <marc.zyngier@arm.com> |
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4 | | - * |
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5 | | - * This program is free software; you can redistribute it and/or modify |
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6 | | - * it under the terms of the GNU General Public License version 2 as |
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7 | | - * published by the Free Software Foundation. |
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8 | | - * |
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9 | | - * This program is distributed in the hope that it will be useful, |
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10 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | | - * GNU General Public License for more details. |
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13 | | - * |
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14 | | - * You should have received a copy of the GNU General Public License |
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15 | | - * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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16 | 5 | */ |
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17 | 6 | |
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18 | 7 | #ifndef __LINUX_IRQCHIP_ARM_GIC_V4_H |
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.. | .. |
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43 | 32 | struct its_vpe { |
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44 | 33 | struct page *vpt_page; |
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45 | 34 | struct its_vm *its_vm; |
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| 35 | + /* per-vPE VLPI tracking */ |
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| 36 | + atomic_t vlpi_count; |
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46 | 37 | /* Doorbell interrupt */ |
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47 | 38 | int irq; |
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48 | 39 | irq_hw_number_t vpe_db_lpi; |
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49 | | - /* VPE proxy mapping */ |
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50 | | - int vpe_proxy_event; |
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| 40 | + /* VPE resident */ |
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| 41 | + bool resident; |
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| 42 | + /* VPT parse complete */ |
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| 43 | + bool ready; |
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| 44 | + union { |
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| 45 | + /* GICv4.0 implementations */ |
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| 46 | + struct { |
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| 47 | + /* VPE proxy mapping */ |
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| 48 | + int vpe_proxy_event; |
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| 49 | + /* Implementation Defined Area Invalid */ |
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| 50 | + bool idai; |
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| 51 | + }; |
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| 52 | + /* GICv4.1 implementations */ |
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| 53 | + struct { |
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| 54 | + struct fwnode_handle *fwnode; |
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| 55 | + struct irq_domain *sgi_domain; |
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| 56 | + struct { |
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| 57 | + u8 priority; |
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| 58 | + bool enabled; |
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| 59 | + bool group; |
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| 60 | + } sgi_config[16]; |
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| 61 | + atomic_t vmapp_count; |
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| 62 | + }; |
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| 63 | + }; |
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| 64 | + |
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| 65 | + /* |
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| 66 | + * Ensures mutual exclusion between affinity setting of the |
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| 67 | + * vPE and vLPI operations using vpe->col_idx. |
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| 68 | + */ |
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| 69 | + raw_spinlock_t vpe_lock; |
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51 | 70 | /* |
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52 | 71 | * This collection ID is used to indirect the target |
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53 | 72 | * redistributor for this VPE. The ID itself isn't involved in |
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.. | .. |
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56 | 75 | u16 col_idx; |
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57 | 76 | /* Unique (system-wide) VPE identifier */ |
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58 | 77 | u16 vpe_id; |
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59 | | - /* Implementation Defined Area Invalid */ |
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60 | | - bool idai; |
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61 | 78 | /* Pending VLPIs on schedule out? */ |
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62 | 79 | bool pending_last; |
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63 | 80 | }; |
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.. | .. |
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89 | 106 | PROP_UPDATE_AND_INV_VLPI, |
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90 | 107 | SCHEDULE_VPE, |
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91 | 108 | DESCHEDULE_VPE, |
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| 109 | + COMMIT_VPE, |
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92 | 110 | INVALL_VPE, |
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| 111 | + PROP_UPDATE_VSGI, |
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93 | 112 | }; |
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94 | 113 | |
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95 | 114 | struct its_cmd_info { |
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.. | .. |
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97 | 116 | union { |
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98 | 117 | struct its_vlpi_map *map; |
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99 | 118 | u8 config; |
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| 119 | + bool req_db; |
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| 120 | + struct { |
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| 121 | + bool g0en; |
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| 122 | + bool g1en; |
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| 123 | + }; |
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| 124 | + struct { |
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| 125 | + u8 priority; |
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| 126 | + bool group; |
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| 127 | + }; |
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100 | 128 | }; |
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101 | 129 | }; |
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102 | 130 | |
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103 | 131 | int its_alloc_vcpu_irqs(struct its_vm *vm); |
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104 | 132 | void its_free_vcpu_irqs(struct its_vm *vm); |
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105 | | -int its_schedule_vpe(struct its_vpe *vpe, bool on); |
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| 133 | +int its_make_vpe_resident(struct its_vpe *vpe, bool g0en, bool g1en); |
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| 134 | +int its_make_vpe_non_resident(struct its_vpe *vpe, bool db); |
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| 135 | +int its_commit_vpe(struct its_vpe *vpe); |
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106 | 136 | int its_invall_vpe(struct its_vpe *vpe); |
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107 | 137 | int its_map_vlpi(int irq, struct its_vlpi_map *map); |
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108 | 138 | int its_get_vlpi(int irq, struct its_vlpi_map *map); |
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109 | 139 | int its_unmap_vlpi(int irq); |
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110 | 140 | int its_prop_update_vlpi(int irq, u8 config, bool inv); |
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| 141 | +int its_prop_update_vsgi(int irq, u8 priority, bool group); |
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111 | 142 | |
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112 | 143 | struct irq_domain_ops; |
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113 | | -int its_init_v4(struct irq_domain *domain, const struct irq_domain_ops *ops); |
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| 144 | +int its_init_v4(struct irq_domain *domain, |
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| 145 | + const struct irq_domain_ops *vpe_ops, |
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| 146 | + const struct irq_domain_ops *sgi_ops); |
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114 | 147 | |
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115 | 148 | #endif |
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