vmbusvar.h revision 1.2.2.2
1 1.2.2.2 christos /* $NetBSD: vmbusvar.h,v 1.2.2.2 2019/06/10 22:07:09 christos Exp $ */ 2 1.2.2.2 christos /* $OpenBSD: hypervvar.h,v 1.13 2017/06/23 19:05:42 mikeb Exp $ */ 3 1.2.2.2 christos 4 1.2.2.2 christos /* 5 1.2.2.2 christos * Copyright (c) 2016 Mike Belopuhov <mike (at) esdenera.com> 6 1.2.2.2 christos * 7 1.2.2.2 christos * Permission to use, copy, modify, and distribute this software for any 8 1.2.2.2 christos * purpose with or without fee is hereby granted, provided that the above 9 1.2.2.2 christos * copyright notice and this permission notice appear in all copies. 10 1.2.2.2 christos * 11 1.2.2.2 christos * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 1.2.2.2 christos * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 1.2.2.2 christos * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 1.2.2.2 christos * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 1.2.2.2 christos * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 1.2.2.2 christos * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 1.2.2.2 christos * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 1.2.2.2 christos */ 19 1.2.2.2 christos 20 1.2.2.2 christos #ifndef _VMBUSVAR_H_ 21 1.2.2.2 christos #define _VMBUSVAR_H_ 22 1.2.2.2 christos 23 1.2.2.2 christos #include <sys/param.h> 24 1.2.2.2 christos #include <sys/device.h> 25 1.2.2.2 christos #include <sys/atomic.h> 26 1.2.2.2 christos #include <sys/bus.h> 27 1.2.2.2 christos #include <sys/evcnt.h> 28 1.2.2.2 christos #include <sys/kcpuset.h> 29 1.2.2.2 christos #include <sys/mutex.h> 30 1.2.2.2 christos #include <sys/pool.h> 31 1.2.2.2 christos 32 1.2.2.2 christos #include <dev/hyperv/hypervreg.h> 33 1.2.2.2 christos #include <dev/hyperv/hypervvar.h> 34 1.2.2.2 christos 35 1.2.2.2 christos /* #define HYPERV_DEBUG */ 36 1.2.2.2 christos 37 1.2.2.2 christos #ifdef HYPERV_DEBUG 38 1.2.2.2 christos #define DPRINTF(x...) printf(x) 39 1.2.2.2 christos #else 40 1.2.2.2 christos #define DPRINTF(x...) 41 1.2.2.2 christos #endif 42 1.2.2.2 christos 43 1.2.2.2 christos typedef void (*vmbus_channel_callback_t)(void *); 44 1.2.2.2 christos 45 1.2.2.2 christos struct vmbus_softc; 46 1.2.2.2 christos 47 1.2.2.2 christos struct vmbus_msg { 48 1.2.2.2 christos uint64_t msg_flags; 49 1.2.2.2 christos #define MSGF_NOSLEEP __BIT(0) 50 1.2.2.2 christos #define MSGF_NOQUEUE __BIT(1) 51 1.2.2.2 christos #define MSGF_ORPHANED __BIT(2) 52 1.2.2.2 christos struct hyperv_hypercall_postmsg_in msg_req __aligned(8); 53 1.2.2.2 christos void *msg_rsp; 54 1.2.2.2 christos size_t msg_rsplen; 55 1.2.2.2 christos TAILQ_ENTRY(vmbus_msg) msg_entry; 56 1.2.2.2 christos }; 57 1.2.2.2 christos __CTASSERT((offsetof(struct vmbus_msg, msg_req) % 8) == 0); 58 1.2.2.2 christos TAILQ_HEAD(vmbus_queue, vmbus_msg); 59 1.2.2.2 christos 60 1.2.2.2 christos struct vmbus_offer { 61 1.2.2.2 christos struct vmbus_chanmsg_choffer co_chan; 62 1.2.2.2 christos SIMPLEQ_ENTRY(vmbus_offer) co_entry; 63 1.2.2.2 christos }; 64 1.2.2.2 christos SIMPLEQ_HEAD(vmbus_offers, vmbus_offer); 65 1.2.2.2 christos 66 1.2.2.2 christos struct vmbus_ring_data { 67 1.2.2.2 christos struct vmbus_bufring *rd_ring; 68 1.2.2.2 christos uint32_t rd_size; 69 1.2.2.2 christos kmutex_t rd_lock; 70 1.2.2.2 christos uint32_t rd_prod; 71 1.2.2.2 christos uint32_t rd_cons; 72 1.2.2.2 christos uint32_t rd_dsize; 73 1.2.2.2 christos }; 74 1.2.2.2 christos 75 1.2.2.2 christos struct vmbus_channel; 76 1.2.2.2 christos TAILQ_HEAD(vmbus_channels, vmbus_channel); 77 1.2.2.2 christos 78 1.2.2.2 christos struct vmbus_channel { 79 1.2.2.2 christos struct vmbus_softc *ch_sc; 80 1.2.2.2 christos device_t ch_dev; 81 1.2.2.2 christos u_int ch_refs; 82 1.2.2.2 christos 83 1.2.2.2 christos int ch_state; 84 1.2.2.2 christos #define VMBUS_CHANSTATE_OFFERED 1 85 1.2.2.2 christos #define VMBUS_CHANSTATE_OPENED 2 86 1.2.2.2 christos #define VMBUS_CHANSTATE_CLOSING 3 87 1.2.2.2 christos #define VMBUS_CHANSTATE_CLOSED 4 88 1.2.2.2 christos uint32_t ch_id; 89 1.2.2.2 christos uint16_t ch_subidx; 90 1.2.2.2 christos 91 1.2.2.2 christos struct hyperv_guid ch_type; 92 1.2.2.2 christos struct hyperv_guid ch_inst; 93 1.2.2.2 christos char ch_ident[38]; 94 1.2.2.2 christos 95 1.2.2.2 christos void *ch_ring; 96 1.2.2.2 christos uint32_t ch_ring_gpadl; 97 1.2.2.2 christos u_long ch_ring_size; 98 1.2.2.2 christos struct hyperv_dma ch_ring_dma; 99 1.2.2.2 christos 100 1.2.2.2 christos struct vmbus_ring_data ch_wrd; 101 1.2.2.2 christos struct vmbus_ring_data ch_rrd; 102 1.2.2.2 christos 103 1.2.2.2 christos int ch_cpuid; 104 1.2.2.2 christos uint32_t ch_vcpu; 105 1.2.2.2 christos 106 1.2.2.2 christos void (*ch_handler)(void *); 107 1.2.2.2 christos void *ch_ctx; 108 1.2.2.2 christos struct evcnt ch_evcnt; 109 1.2.2.2 christos void *ch_taskq; 110 1.2.2.2 christos 111 1.2.2.2 christos uint32_t ch_flags; 112 1.2.2.2 christos #define CHF_BATCHED __BIT(0) 113 1.2.2.2 christos #define CHF_MONITOR __BIT(1) 114 1.2.2.2 christos 115 1.2.2.2 christos uint8_t ch_mgroup; 116 1.2.2.2 christos uint8_t ch_mindex; 117 1.2.2.2 christos struct hyperv_mon_param *ch_monprm; 118 1.2.2.2 christos struct hyperv_dma ch_monprm_dma; 119 1.2.2.2 christos 120 1.2.2.2 christos TAILQ_ENTRY(vmbus_channel) ch_entry; 121 1.2.2.2 christos 122 1.2.2.2 christos kmutex_t ch_subchannel_lock; 123 1.2.2.2 christos struct vmbus_channels ch_subchannels; 124 1.2.2.2 christos u_int ch_subchannel_count; 125 1.2.2.2 christos TAILQ_ENTRY(vmbus_channel) ch_subentry; 126 1.2.2.2 christos struct vmbus_channel *ch_primary_channel; 127 1.2.2.2 christos }; 128 1.2.2.2 christos 129 1.2.2.2 christos #define VMBUS_CHAN_ISPRIMARY(chan) ((chan)->ch_subidx == 0) 130 1.2.2.2 christos 131 1.2.2.2 christos struct vmbus_attach_args { 132 1.2.2.2 christos struct hyperv_guid *aa_type; 133 1.2.2.2 christos struct hyperv_guid *aa_inst; 134 1.2.2.2 christos char *aa_ident; 135 1.2.2.2 christos struct vmbus_channel *aa_chan; 136 1.2.2.2 christos bus_space_tag_t aa_iot; 137 1.2.2.2 christos bus_space_tag_t aa_memt; 138 1.2.2.2 christos }; 139 1.2.2.2 christos 140 1.2.2.2 christos struct vmbus_dev { 141 1.2.2.2 christos struct vmbus_attach_args dv_aa; 142 1.2.2.2 christos SLIST_ENTRY(vmbus_dev) dv_entry; 143 1.2.2.2 christos }; 144 1.2.2.2 christos SLIST_HEAD(vmbus_devices, vmbus_dev); 145 1.2.2.2 christos 146 1.2.2.2 christos struct vmbus_percpu_data { 147 1.2.2.2 christos void *simp; /* Synthetic Interrupt Message Page */ 148 1.2.2.2 christos void *siep; /* Synthetic Interrupt Event Flags Page */ 149 1.2.2.2 christos uint32_t vcpuid; /* Virtual cpuid */ 150 1.2.2.2 christos 151 1.2.2.2 christos /* Rarely used fields */ 152 1.2.2.2 christos struct hyperv_dma simp_dma; 153 1.2.2.2 christos struct hyperv_dma siep_dma; 154 1.2.2.2 christos } __aligned(CACHE_LINE_SIZE); 155 1.2.2.2 christos 156 1.2.2.2 christos struct vmbus_softc { 157 1.2.2.2 christos device_t sc_dev; 158 1.2.2.2 christos bus_space_tag_t sc_iot; 159 1.2.2.2 christos bus_space_tag_t sc_memt; 160 1.2.2.2 christos bus_dma_tag_t sc_dmat; 161 1.2.2.2 christos 162 1.2.2.2 christos pool_cache_t sc_msgpool; 163 1.2.2.2 christos 164 1.2.2.2 christos void *sc_msg_sih; 165 1.2.2.2 christos 166 1.2.2.2 christos u_long *sc_wevents; /* Write events */ 167 1.2.2.2 christos u_long *sc_revents; /* Read events */ 168 1.2.2.2 christos struct vmbus_mnf *sc_monitor[2]; 169 1.2.2.2 christos struct vmbus_percpu_data sc_percpu[MAXCPUS]; 170 1.2.2.2 christos 171 1.2.2.2 christos /* 172 1.2.2.2 christos * Rarely used fields 173 1.2.2.2 christos */ 174 1.2.2.2 christos uint32_t sc_flags; 175 1.2.2.2 christos #define VMBUS_SCFLAG_SYNIC __BIT(0) 176 1.2.2.2 christos #define VMBUS_SCFLAG_CONNECTED __BIT(1) 177 1.2.2.2 christos #define VMBUS_SCFLAG_OFFERS_DELIVERED __BIT(2) 178 1.2.2.2 christos uint32_t sc_proto; 179 1.2.2.2 christos int sc_channel_max; 180 1.2.2.2 christos 181 1.2.2.2 christos kcpuset_t *sc_intr_cpuset; 182 1.2.2.2 christos 183 1.2.2.2 christos /* Shared memory for Write/Read events */ 184 1.2.2.2 christos void *sc_events; 185 1.2.2.2 christos struct hyperv_dma sc_events_dma; 186 1.2.2.2 christos 187 1.2.2.2 christos struct hyperv_dma sc_monitor_dma[2]; 188 1.2.2.2 christos 189 1.2.2.2 christos struct vmbus_queue sc_reqs; /* Request queue */ 190 1.2.2.2 christos kmutex_t sc_req_lock; 191 1.2.2.2 christos struct vmbus_queue sc_rsps; /* Response queue */ 192 1.2.2.2 christos kmutex_t sc_rsp_lock; 193 1.2.2.2 christos 194 1.2.2.2 christos struct vmbus_offers sc_offers; 195 1.2.2.2 christos kmutex_t sc_offer_lock; 196 1.2.2.2 christos 197 1.2.2.2 christos struct vmbus_channels sc_channels; 198 1.2.2.2 christos kmutex_t sc_channel_lock; 199 1.2.2.2 christos 200 1.2.2.2 christos volatile uint32_t sc_handle; 201 1.2.2.2 christos 202 1.2.2.2 christos struct vmbus_devices sc_icdevs; 203 1.2.2.2 christos kmutex_t sc_icdev_lock; 204 1.2.2.2 christos 205 1.2.2.2 christos struct vmbus_devices sc_devs; 206 1.2.2.2 christos kmutex_t sc_dev_lock; 207 1.2.2.2 christos }; 208 1.2.2.2 christos 209 1.2.2.2 christos static __inline void 210 1.2.2.2 christos clear_bit(u_int b, volatile void *p) 211 1.2.2.2 christos { 212 1.2.2.2 christos atomic_and_32(((volatile u_int *)p) + (b >> 5), ~(1 << (b & 0x1f))); 213 1.2.2.2 christos } 214 1.2.2.2 christos 215 1.2.2.2 christos static __inline void 216 1.2.2.2 christos set_bit(u_int b, volatile void *p) 217 1.2.2.2 christos { 218 1.2.2.2 christos atomic_or_32(((volatile u_int *)p) + (b >> 5), 1 << (b & 0x1f)); 219 1.2.2.2 christos } 220 1.2.2.2 christos 221 1.2.2.2 christos static __inline int 222 1.2.2.2 christos test_bit(u_int b, volatile void *p) 223 1.2.2.2 christos { 224 1.2.2.2 christos return !!(((volatile u_int *)p)[b >> 5] & (1 << (b & 0x1f))); 225 1.2.2.2 christos } 226 1.2.2.2 christos 227 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_network; 228 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_ide; 229 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_scsi; 230 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_shutdown; 231 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_timesync; 232 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_heartbeat; 233 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_kvp; 234 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_vss; 235 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_dynmem; 236 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_mouse; 237 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_kbd; 238 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_video; 239 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_fc; 240 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_fcopy; 241 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_pcie; 242 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_netdir; 243 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_rdesktop; 244 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_avma1; 245 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_avma2; 246 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_avma3; 247 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_avma4; 248 1.2.2.2 christos 249 1.2.2.2 christos int vmbus_match(device_t, cfdata_t, void *); 250 1.2.2.2 christos int vmbus_attach(struct vmbus_softc *); 251 1.2.2.2 christos int vmbus_detach(struct vmbus_softc *, int); 252 1.2.2.2 christos 253 1.2.2.2 christos int vmbus_handle_alloc(struct vmbus_channel *, const struct hyperv_dma *, 254 1.2.2.2 christos uint32_t, uint32_t *); 255 1.2.2.2 christos void vmbus_handle_free(struct vmbus_channel *, uint32_t); 256 1.2.2.2 christos int vmbus_channel_open(struct vmbus_channel *, size_t, void *, size_t, 257 1.2.2.2 christos vmbus_channel_callback_t, void *); 258 1.2.2.2 christos int vmbus_channel_close(struct vmbus_channel *); 259 1.2.2.2 christos int vmbus_channel_close_direct(struct vmbus_channel *); 260 1.2.2.2 christos int vmbus_channel_setdeferred(struct vmbus_channel *, const char *); 261 1.2.2.2 christos void vmbus_channel_schedule(struct vmbus_channel *); 262 1.2.2.2 christos int vmbus_channel_send(struct vmbus_channel *, void *, uint32_t, uint64_t, 263 1.2.2.2 christos int, uint32_t); 264 1.2.2.2 christos int vmbus_channel_send_sgl(struct vmbus_channel *, struct vmbus_gpa *, 265 1.2.2.2 christos uint32_t, void *, uint32_t, uint64_t); 266 1.2.2.2 christos int vmbus_channel_send_prpl(struct vmbus_channel *, 267 1.2.2.2 christos struct vmbus_gpa_range *, uint32_t, void *, uint32_t, uint64_t); 268 1.2.2.2 christos int vmbus_channel_recv(struct vmbus_channel *, void *, uint32_t, uint32_t *, 269 1.2.2.2 christos uint64_t *, int); 270 1.2.2.2 christos void vmbus_channel_cpu_set(struct vmbus_channel *, int); 271 1.2.2.2 christos void vmbus_channel_cpu_rr(struct vmbus_channel *); 272 1.2.2.2 christos 273 1.2.2.2 christos struct vmbus_channel ** 274 1.2.2.2 christos vmbus_subchannel_get(struct vmbus_channel *, int); 275 1.2.2.2 christos void vmbus_subchannel_put(struct vmbus_channel **, int); 276 1.2.2.2 christos 277 1.2.2.2 christos #endif /* _VMBUSVAR_H_ */ 278
Indexes created Wed Oct 15 07:09:58 GMT 2025