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_restore_msi 19 149 struct physdev_restore_msi { 150 /* IN */ 151 uint8_t bus; 152 uint8_t devfn; 153 }; 154 155 #define PHYSDEVOP_manage_pci_add_ext 20 156 struct physdev_manage_pci_ext { 157 /* IN */ 158 uint8_t bus; 159 uint8_t devfn; 160 unsigned is_extfn; 161 unsigned is_virtfn; 162 struct { 163 uint8_t bus; 164 uint8_t devfn; 165 } physfn; 166 }; 167 168 /* 169 * Argument to physdev_op_compat() hypercall. Superceded by new physdev_op() 170 * hypercall since 0x00030202. 171 */ 172 struct physdev_op { 173 uint32_t cmd; 174 union { 175 struct physdev_irq_status_query irq_status_query; 176 struct physdev_set_iopl set_iopl; 177 struct physdev_set_iobitmap set_iobitmap; 178 struct physdev_apic apic_op; 179 struct physdev_irq irq_op; 180 } u; 181 }; 182 183 #define PHYSDEVOP_setup_gsi 21 184 struct physdev_setup_gsi { 185 int gsi; 186 /* IN */ 187 uint8_t triggering; 188 /* IN */ 189 uint8_t polarity; 190 /* IN */ 191 }; 192 193 #define PHYSDEVOP_get_nr_pirqs 22 194 struct physdev_nr_pirqs { 195 /* OUT */ 196 uint32_t nr_pirqs; 197 }; 198 199 /* type is MAP_PIRQ_TYPE_GSI or MAP_PIRQ_TYPE_MSI 200 * the hypercall returns a free pirq */ 201 #define PHYSDEVOP_get_free_pirq 23 202 struct physdev_get_free_pirq { 203 /* IN */ 204 int type; 205 /* OUT */ 206 uint32_t pirq; 207 }; 208 209 #define XEN_PCI_DEV_EXTFN 0x1 210 #define XEN_PCI_DEV_VIRTFN 0x2 211 #define XEN_PCI_DEV_PXM 0x4 212 213 #define PHYSDEVOP_pci_device_add 25 214 struct physdev_pci_device_add { 215 /* IN */ 216 uint16_t seg; 217 uint8_t bus; 218 uint8_t devfn; 219 uint32_t flags; 220 struct { 221 uint8_t bus; 222 uint8_t devfn; 223 } physfn; 224 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L 225 uint32_t optarr[]; 226 #elif defined(__GNUC__) 227 uint32_t optarr[0]; 228 #endif 229 }; 230 231 #define PHYSDEVOP_pci_device_remove 26 232 #define PHYSDEVOP_restore_msi_ext 27 233 struct physdev_pci_device { 234 /* IN */ 235 uint16_t seg; 236 uint8_t bus; 237 uint8_t devfn; 238 }; 239 240 /* 241 * Notify that some PIRQ-bound event channels have been unmasked. 242 * ** This command is obsolete since interface version 0x00030202 and is ** 243 * ** unsupported by newer versions of Xen. ** 244 */ 245 #define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4 246 247 /* 248 * These all-capitals physdev operation names are superceded by the new names 249 * (defined above) since interface version 0x00030202. 250 */ 251 #define PHYSDEVOP_IRQ_STATUS_QUERY PHYSDEVOP_irq_status_query 252 #define PHYSDEVOP_SET_IOPL PHYSDEVOP_set_iopl 253 #define PHYSDEVOP_SET_IOBITMAP PHYSDEVOP_set_iobitmap 254 #define PHYSDEVOP_APIC_READ PHYSDEVOP_apic_read 255 #define PHYSDEVOP_APIC_WRITE PHYSDEVOP_apic_write 256 #define PHYSDEVOP_ASSIGN_VECTOR PHYSDEVOP_alloc_irq_vector 257 #define PHYSDEVOP_FREE_VECTOR PHYSDEVOP_free_irq_vector 258 #define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi 259 #define PHYSDEVOP_IRQ_SHARED XENIRQSTAT_shared 260 261 #endif /* __XEN_PUBLIC_PHYSDEV_H__ */ 262