1 /* 2 * Permission is hereby granted, free of charge, to any person obtaining a copy 3 * of this software and associated documentation files (the "Software"), to 4 * deal in the Software without restriction, including without limitation the 5 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 6 * sell copies of the Software, and to permit persons to whom the Software is 7 * furnished to do so, subject to the following conditions: 8 * 9 * The above copyright notice and this permission notice shall be included in 10 * all copies or substantial portions of the Software. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 15 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 16 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 17 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 18 * DEALINGS IN THE SOFTWARE. 19 */ 20 21 #ifndef __XEN_PUBLIC_PHYSDEV_H__ 22 #define __XEN_PUBLIC_PHYSDEV_H__ 23 24 /* 25 * Prototype for this hypercall is: 26 * int physdev_op(int cmd, void *args) 27 * @cmd == PHYSDEVOP_??? (physdev operation). 28 * @args == Operation-specific extra arguments (NULL if none). 29 */ 30 31 /* 32 * Notify end-of-interrupt (EOI) for the specified IRQ. 33 * @arg == pointer to physdev_eoi structure. 34 */ 35 #define PHYSDEVOP_eoi 12 36 struct physdev_eoi { 37 /* IN */ 38 uint32_t irq; 39 }; 40 41 /* 42 * Query the status of an IRQ line. 43 * @arg == pointer to physdev_irq_status_query structure. 44 */ 45 #define PHYSDEVOP_irq_status_query 5 46 struct physdev_irq_status_query { 47 /* IN */ 48 uint32_t irq; 49 /* OUT */ 50 uint32_t flags; /* XENIRQSTAT_* */ 51 }; 52 53 /* Need to call PHYSDEVOP_eoi when the IRQ has been serviced? */ 54 #define _XENIRQSTAT_needs_eoi (0) 55 #define XENIRQSTAT_needs_eoi (1U<<_XENIRQSTAT_needs_eoi) 56 57 /* IRQ shared by multiple guests? */ 58 #define _XENIRQSTAT_shared (1) 59 #define XENIRQSTAT_shared (1U<<_XENIRQSTAT_shared) 60 61 /* 62 * Set the current VCPU's I/O privilege level. 63 * @arg == pointer to physdev_set_iopl structure. 64 */ 65 #define PHYSDEVOP_set_iopl 6 66 struct physdev_set_iopl { 67 /* IN */ 68 uint32_t iopl; 69 }; 70 71 /* 72 * Set the current VCPU's I/O-port permissions bitmap. 73 * @arg == pointer to physdev_set_iobitmap structure. 74 */ 75 #define PHYSDEVOP_set_iobitmap 7 76 struct physdev_set_iobitmap { 77 /* IN */ 78 uint8_t * bitmap; 79 uint32_t nr_ports; 80 }; 81 82 /* 83 * Read or write an IO-APIC register. 84 * @arg == pointer to physdev_apic structure. 85 */ 86 #define PHYSDEVOP_apic_read 8 87 #define PHYSDEVOP_apic_write 9 88 struct physdev_apic { 89 /* IN */ 90 unsigned long apic_physbase; 91 uint32_t reg; 92 /* IN or OUT */ 93 uint32_t value; 94 }; 95 96 /* 97 * Allocate or free a physical upcall vector for the specified IRQ line. 98 * @arg == pointer to physdev_irq structure. 99 */ 100 #define PHYSDEVOP_alloc_irq_vector 10 101 #define PHYSDEVOP_free_irq_vector 11 102 struct physdev_irq { 103 /* IN */ 104 uint32_t irq; 105 /* IN or OUT */ 106 uint32_t vector; 107 }; 108 109 #define MAP_PIRQ_TYPE_MSI 0x0 110 #define MAP_PIRQ_TYPE_GSI 0x1 111 #define MAP_PIRQ_TYPE_UNKNOWN 0x2 112 #define MAP_PIRQ_TYPE_MSI_SEG 0x3 113 114 #define PHYSDEVOP_map_pirq 13 115 struct physdev_map_pirq { 116 domid_t domid; 117 /* IN */ 118 int type; 119 /* IN */ 120 int index; 121 /* IN or OUT */ 122 int pirq; 123 /* IN - high 16 bits hold segment for MAP_PIRQ_TYPE_MSI_SEG */ 124 int bus; 125 /* IN */ 126 int devfn; 127 /* IN */ 128 int entry_nr; 129 /* IN */ 130 uint64_t table_base; 131 }; 132 133 #define PHYSDEVOP_unmap_pirq 14 134 struct physdev_unmap_pirq { 135 domid_t domid; 136 /* IN */ 137 int pirq; 138 }; 139 140 #define PHYSDEVOP_manage_pci_add 15 141 #define PHYSDEVOP_manage_pci_remove 16 142 struct physdev_manage_pci { 143 /* IN */ 144 uint8_t bus; 145 uint8_t devfn; 146 }; 147 148 #define PHYSDEVOP_manage_pci_add_ext 20 149 struct physdev_manage_pci_ext { 150 /* IN */ 151 uint8_t bus; 152 uint8_t devfn; 153 unsigned is_extfn; 154 unsigned is_virtfn; 155 struct { 156 uint8_t bus; 157 uint8_t devfn; 158 } physfn; 159 }; 160 161 /* 162 * Argument to physdev_op_compat() hypercall. Superceded by new physdev_op() 163 * hypercall since 0x00030202. 164 */ 165 struct physdev_op { 166 uint32_t cmd; 167 union { 168 struct physdev_irq_status_query irq_status_query; 169 struct physdev_set_iopl set_iopl; 170 struct physdev_set_iobitmap set_iobitmap; 171 struct physdev_apic apic_op; 172 struct physdev_irq irq_op; 173 } u; 174 }; 175 176 #define PHYSDEVOP_setup_gsi 21 177 struct physdev_setup_gsi { 178 int gsi; 179 /* IN */ 180 uint8_t triggering; 181 /* IN */ 182 uint8_t polarity; 183 /* IN */ 184 }; 185 186 #define PHYSDEVOP_get_nr_pirqs 22 187 struct physdev_nr_pirqs { 188 /* OUT */ 189 uint32_t nr_pirqs; 190 }; 191 192 /* type is MAP_PIRQ_TYPE_GSI or MAP_PIRQ_TYPE_MSI 193 * the hypercall returns a free pirq */ 194 #define PHYSDEVOP_get_free_pirq 23 195 struct physdev_get_free_pirq { 196 /* IN */ 197 int type; 198 /* OUT */ 199 uint32_t pirq; 200 }; 201 202 #define XEN_PCI_DEV_EXTFN 0x1 203 #define XEN_PCI_DEV_VIRTFN 0x2 204 #define XEN_PCI_DEV_PXM 0x4 205 206 #define PHYSDEVOP_pci_device_add 25 207 struct physdev_pci_device_add { 208 /* IN */ 209 uint16_t seg; 210 uint8_t bus; 211 uint8_t devfn; 212 uint32_t flags; 213 struct { 214 uint8_t bus; 215 uint8_t devfn; 216 } physfn; 217 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L 218 uint32_t optarr[]; 219 #elif defined(__GNUC__) 220 uint32_t optarr[0]; 221 #endif 222 }; 223 224 #define PHYSDEVOP_pci_device_remove 26 225 #define PHYSDEVOP_restore_msi_ext 27 226 struct physdev_pci_device { 227 /* IN */ 228 uint16_t seg; 229 uint8_t bus; 230 uint8_t devfn; 231 }; 232 233 /* 234 * Notify that some PIRQ-bound event channels have been unmasked. 235 * ** This command is obsolete since interface version 0x00030202 and is ** 236 * ** unsupported by newer versions of Xen. ** 237 */ 238 #define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4 239 240 /* 241 * These all-capitals physdev operation names are superceded by the new names 242 * (defined above) since interface version 0x00030202. 243 */ 244 #define PHYSDEVOP_IRQ_STATUS_QUERY PHYSDEVOP_irq_status_query 245 #define PHYSDEVOP_SET_IOPL PHYSDEVOP_set_iopl 246 #define PHYSDEVOP_SET_IOBITMAP PHYSDEVOP_set_iobitmap 247 #define PHYSDEVOP_APIC_READ PHYSDEVOP_apic_read 248 #define PHYSDEVOP_APIC_WRITE PHYSDEVOP_apic_write 249 #define PHYSDEVOP_ASSIGN_VECTOR PHYSDEVOP_alloc_irq_vector 250 #define PHYSDEVOP_FREE_VECTOR PHYSDEVOP_free_irq_vector 251 #define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi 252 #define PHYSDEVOP_IRQ_SHARED XENIRQSTAT_shared 253 254 #endif /* __XEN_PUBLIC_PHYSDEV_H__ */ 255