vmbusvar.h revision 1.1.2.3
1 1.1.2.3 martin /* $NetBSD: vmbusvar.h,v 1.1.2.3 2019/06/12 10:17:32 martin Exp $ */ 2 1.1.2.2 martin /* $OpenBSD: hypervvar.h,v 1.13 2017/06/23 19:05:42 mikeb Exp $ */ 3 1.1.2.2 martin 4 1.1.2.2 martin /* 5 1.1.2.2 martin * Copyright (c) 2016 Mike Belopuhov <mike (at) esdenera.com> 6 1.1.2.2 martin * 7 1.1.2.2 martin * Permission to use, copy, modify, and distribute this software for any 8 1.1.2.2 martin * purpose with or without fee is hereby granted, provided that the above 9 1.1.2.2 martin * copyright notice and this permission notice appear in all copies. 10 1.1.2.2 martin * 11 1.1.2.2 martin * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 1.1.2.2 martin * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 1.1.2.2 martin * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 1.1.2.2 martin * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 1.1.2.2 martin * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 1.1.2.2 martin * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 1.1.2.2 martin * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 1.1.2.2 martin */ 19 1.1.2.2 martin 20 1.1.2.2 martin #ifndef _VMBUSVAR_H_ 21 1.1.2.2 martin #define _VMBUSVAR_H_ 22 1.1.2.2 martin 23 1.1.2.2 martin #include <sys/param.h> 24 1.1.2.2 martin #include <sys/device.h> 25 1.1.2.2 martin #include <sys/atomic.h> 26 1.1.2.2 martin #include <sys/bus.h> 27 1.1.2.2 martin #include <sys/evcnt.h> 28 1.1.2.2 martin #include <sys/kcpuset.h> 29 1.1.2.2 martin #include <sys/mutex.h> 30 1.1.2.2 martin #include <sys/pool.h> 31 1.1.2.2 martin 32 1.1.2.2 martin #include <dev/hyperv/hypervreg.h> 33 1.1.2.2 martin #include <dev/hyperv/hypervvar.h> 34 1.1.2.2 martin 35 1.1.2.2 martin /* #define HYPERV_DEBUG */ 36 1.1.2.2 martin 37 1.1.2.2 martin #ifdef HYPERV_DEBUG 38 1.1.2.2 martin #define DPRINTF(x...) printf(x) 39 1.1.2.2 martin #else 40 1.1.2.2 martin #define DPRINTF(x...) 41 1.1.2.2 martin #endif 42 1.1.2.2 martin 43 1.1.2.2 martin typedef void (*vmbus_channel_callback_t)(void *); 44 1.1.2.2 martin 45 1.1.2.2 martin struct vmbus_softc; 46 1.1.2.2 martin 47 1.1.2.2 martin struct vmbus_msg { 48 1.1.2.2 martin uint64_t msg_flags; 49 1.1.2.2 martin #define MSGF_NOSLEEP __BIT(0) 50 1.1.2.2 martin #define MSGF_NOQUEUE __BIT(1) 51 1.1.2.2 martin #define MSGF_ORPHANED __BIT(2) 52 1.1.2.2 martin struct hyperv_hypercall_postmsg_in msg_req __aligned(8); 53 1.1.2.2 martin void *msg_rsp; 54 1.1.2.2 martin size_t msg_rsplen; 55 1.1.2.2 martin TAILQ_ENTRY(vmbus_msg) msg_entry; 56 1.1.2.2 martin }; 57 1.1.2.2 martin __CTASSERT((offsetof(struct vmbus_msg, msg_req) % 8) == 0); 58 1.1.2.2 martin TAILQ_HEAD(vmbus_queue, vmbus_msg); 59 1.1.2.2 martin 60 1.1.2.2 martin struct vmbus_offer { 61 1.1.2.2 martin struct vmbus_chanmsg_choffer co_chan; 62 1.1.2.2 martin SIMPLEQ_ENTRY(vmbus_offer) co_entry; 63 1.1.2.2 martin }; 64 1.1.2.2 martin SIMPLEQ_HEAD(vmbus_offers, vmbus_offer); 65 1.1.2.2 martin 66 1.1.2.2 martin struct vmbus_ring_data { 67 1.1.2.2 martin struct vmbus_bufring *rd_ring; 68 1.1.2.2 martin uint32_t rd_size; 69 1.1.2.2 martin kmutex_t rd_lock; 70 1.1.2.2 martin uint32_t rd_prod; 71 1.1.2.2 martin uint32_t rd_cons; 72 1.1.2.2 martin uint32_t rd_dsize; 73 1.1.2.2 martin }; 74 1.1.2.2 martin 75 1.1.2.2 martin struct vmbus_channel; 76 1.1.2.2 martin TAILQ_HEAD(vmbus_channels, vmbus_channel); 77 1.1.2.2 martin 78 1.1.2.2 martin struct vmbus_channel { 79 1.1.2.2 martin struct vmbus_softc *ch_sc; 80 1.1.2.2 martin device_t ch_dev; 81 1.1.2.2 martin u_int ch_refs; 82 1.1.2.2 martin 83 1.1.2.2 martin int ch_state; 84 1.1.2.2 martin #define VMBUS_CHANSTATE_OFFERED 1 85 1.1.2.2 martin #define VMBUS_CHANSTATE_OPENED 2 86 1.1.2.2 martin #define VMBUS_CHANSTATE_CLOSING 3 87 1.1.2.2 martin #define VMBUS_CHANSTATE_CLOSED 4 88 1.1.2.2 martin uint32_t ch_id; 89 1.1.2.2 martin uint16_t ch_subidx; 90 1.1.2.2 martin 91 1.1.2.2 martin struct hyperv_guid ch_type; 92 1.1.2.2 martin struct hyperv_guid ch_inst; 93 1.1.2.2 martin char ch_ident[38]; 94 1.1.2.2 martin 95 1.1.2.2 martin void *ch_ring; 96 1.1.2.2 martin uint32_t ch_ring_gpadl; 97 1.1.2.2 martin u_long ch_ring_size; 98 1.1.2.2 martin struct hyperv_dma ch_ring_dma; 99 1.1.2.2 martin 100 1.1.2.2 martin struct vmbus_ring_data ch_wrd; 101 1.1.2.2 martin struct vmbus_ring_data ch_rrd; 102 1.1.2.2 martin 103 1.1.2.2 martin int ch_cpuid; 104 1.1.2.2 martin uint32_t ch_vcpu; 105 1.1.2.2 martin 106 1.1.2.2 martin void (*ch_handler)(void *); 107 1.1.2.2 martin void *ch_ctx; 108 1.1.2.2 martin struct evcnt ch_evcnt; 109 1.1.2.2 martin void *ch_taskq; 110 1.1.2.2 martin 111 1.1.2.2 martin uint32_t ch_flags; 112 1.1.2.2 martin #define CHF_BATCHED __BIT(0) 113 1.1.2.2 martin #define CHF_MONITOR __BIT(1) 114 1.1.2.2 martin 115 1.1.2.2 martin uint8_t ch_mgroup; 116 1.1.2.2 martin uint8_t ch_mindex; 117 1.1.2.2 martin struct hyperv_mon_param *ch_monprm; 118 1.1.2.2 martin struct hyperv_dma ch_monprm_dma; 119 1.1.2.2 martin 120 1.1.2.2 martin TAILQ_ENTRY(vmbus_channel) ch_entry; 121 1.1.2.2 martin 122 1.1.2.2 martin kmutex_t ch_subchannel_lock; 123 1.1.2.2 martin struct vmbus_channels ch_subchannels; 124 1.1.2.2 martin u_int ch_subchannel_count; 125 1.1.2.2 martin TAILQ_ENTRY(vmbus_channel) ch_subentry; 126 1.1.2.2 martin struct vmbus_channel *ch_primary_channel; 127 1.1.2.2 martin }; 128 1.1.2.2 martin 129 1.1.2.2 martin #define VMBUS_CHAN_ISPRIMARY(chan) ((chan)->ch_subidx == 0) 130 1.1.2.2 martin 131 1.1.2.2 martin struct vmbus_attach_args { 132 1.1.2.2 martin struct hyperv_guid *aa_type; 133 1.1.2.2 martin struct hyperv_guid *aa_inst; 134 1.1.2.2 martin char *aa_ident; 135 1.1.2.2 martin struct vmbus_channel *aa_chan; 136 1.1.2.3 martin bus_space_tag_t aa_iot; 137 1.1.2.3 martin bus_space_tag_t aa_memt; 138 1.1.2.2 martin }; 139 1.1.2.2 martin 140 1.1.2.2 martin struct vmbus_dev { 141 1.1.2.2 martin struct vmbus_attach_args dv_aa; 142 1.1.2.2 martin SLIST_ENTRY(vmbus_dev) dv_entry; 143 1.1.2.2 martin }; 144 1.1.2.2 martin SLIST_HEAD(vmbus_devices, vmbus_dev); 145 1.1.2.2 martin 146 1.1.2.2 martin struct vmbus_percpu_data { 147 1.1.2.2 martin void *simp; /* Synthetic Interrupt Message Page */ 148 1.1.2.2 martin void *siep; /* Synthetic Interrupt Event Flags Page */ 149 1.1.2.2 martin uint32_t vcpuid; /* Virtual cpuid */ 150 1.1.2.2 martin 151 1.1.2.2 martin /* Rarely used fields */ 152 1.1.2.2 martin struct hyperv_dma simp_dma; 153 1.1.2.2 martin struct hyperv_dma siep_dma; 154 1.1.2.2 martin } __aligned(CACHE_LINE_SIZE); 155 1.1.2.2 martin 156 1.1.2.2 martin struct vmbus_softc { 157 1.1.2.2 martin device_t sc_dev; 158 1.1.2.3 martin bus_space_tag_t sc_iot; 159 1.1.2.3 martin bus_space_tag_t sc_memt; 160 1.1.2.2 martin bus_dma_tag_t sc_dmat; 161 1.1.2.2 martin 162 1.1.2.2 martin pool_cache_t sc_msgpool; 163 1.1.2.2 martin 164 1.1.2.2 martin void *sc_msg_sih; 165 1.1.2.2 martin 166 1.1.2.2 martin u_long *sc_wevents; /* Write events */ 167 1.1.2.2 martin u_long *sc_revents; /* Read events */ 168 1.1.2.2 martin struct vmbus_mnf *sc_monitor[2]; 169 1.1.2.2 martin struct vmbus_percpu_data sc_percpu[MAXCPUS]; 170 1.1.2.2 martin 171 1.1.2.2 martin /* 172 1.1.2.2 martin * Rarely used fields 173 1.1.2.2 martin */ 174 1.1.2.2 martin uint32_t sc_flags; 175 1.1.2.2 martin #define VMBUS_SCFLAG_SYNIC __BIT(0) 176 1.1.2.2 martin #define VMBUS_SCFLAG_CONNECTED __BIT(1) 177 1.1.2.2 martin #define VMBUS_SCFLAG_OFFERS_DELIVERED __BIT(2) 178 1.1.2.2 martin uint32_t sc_proto; 179 1.1.2.2 martin int sc_channel_max; 180 1.1.2.2 martin 181 1.1.2.2 martin kcpuset_t *sc_intr_cpuset; 182 1.1.2.2 martin 183 1.1.2.2 martin /* Shared memory for Write/Read events */ 184 1.1.2.2 martin void *sc_events; 185 1.1.2.2 martin struct hyperv_dma sc_events_dma; 186 1.1.2.2 martin 187 1.1.2.2 martin struct hyperv_dma sc_monitor_dma[2]; 188 1.1.2.2 martin 189 1.1.2.2 martin struct vmbus_queue sc_reqs; /* Request queue */ 190 1.1.2.2 martin kmutex_t sc_req_lock; 191 1.1.2.2 martin struct vmbus_queue sc_rsps; /* Response queue */ 192 1.1.2.2 martin kmutex_t sc_rsp_lock; 193 1.1.2.2 martin 194 1.1.2.2 martin struct vmbus_offers sc_offers; 195 1.1.2.2 martin kmutex_t sc_offer_lock; 196 1.1.2.2 martin 197 1.1.2.2 martin struct vmbus_channels sc_channels; 198 1.1.2.2 martin kmutex_t sc_channel_lock; 199 1.1.2.2 martin 200 1.1.2.2 martin volatile uint32_t sc_handle; 201 1.1.2.2 martin 202 1.1.2.2 martin struct vmbus_devices sc_icdevs; 203 1.1.2.2 martin kmutex_t sc_icdev_lock; 204 1.1.2.2 martin 205 1.1.2.2 martin struct vmbus_devices sc_devs; 206 1.1.2.2 martin kmutex_t sc_dev_lock; 207 1.1.2.2 martin }; 208 1.1.2.2 martin 209 1.1.2.2 martin static __inline void 210 1.1.2.2 martin clear_bit(u_int b, volatile void *p) 211 1.1.2.2 martin { 212 1.1.2.2 martin atomic_and_32(((volatile u_int *)p) + (b >> 5), ~(1 << (b & 0x1f))); 213 1.1.2.2 martin } 214 1.1.2.2 martin 215 1.1.2.2 martin static __inline void 216 1.1.2.2 martin set_bit(u_int b, volatile void *p) 217 1.1.2.2 martin { 218 1.1.2.2 martin atomic_or_32(((volatile u_int *)p) + (b >> 5), 1 << (b & 0x1f)); 219 1.1.2.2 martin } 220 1.1.2.2 martin 221 1.1.2.2 martin static __inline int 222 1.1.2.2 martin test_bit(u_int b, volatile void *p) 223 1.1.2.2 martin { 224 1.1.2.2 martin return !!(((volatile u_int *)p)[b >> 5] & (1 << (b & 0x1f))); 225 1.1.2.2 martin } 226 1.1.2.2 martin 227 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_network; 228 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_ide; 229 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_scsi; 230 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_shutdown; 231 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_timesync; 232 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_heartbeat; 233 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_kvp; 234 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_vss; 235 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_dynmem; 236 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_mouse; 237 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_kbd; 238 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_video; 239 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_fc; 240 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_fcopy; 241 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_pcie; 242 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_netdir; 243 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_rdesktop; 244 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_avma1; 245 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_avma2; 246 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_avma3; 247 1.1.2.2 martin extern const struct hyperv_guid hyperv_guid_avma4; 248 1.1.2.2 martin 249 1.1.2.2 martin int vmbus_match(device_t, cfdata_t, void *); 250 1.1.2.2 martin int vmbus_attach(struct vmbus_softc *); 251 1.1.2.2 martin int vmbus_detach(struct vmbus_softc *, int); 252 1.1.2.2 martin 253 1.1.2.2 martin int vmbus_handle_alloc(struct vmbus_channel *, const struct hyperv_dma *, 254 1.1.2.2 martin uint32_t, uint32_t *); 255 1.1.2.2 martin void vmbus_handle_free(struct vmbus_channel *, uint32_t); 256 1.1.2.2 martin int vmbus_channel_open(struct vmbus_channel *, size_t, void *, size_t, 257 1.1.2.2 martin vmbus_channel_callback_t, void *); 258 1.1.2.2 martin int vmbus_channel_close(struct vmbus_channel *); 259 1.1.2.2 martin int vmbus_channel_close_direct(struct vmbus_channel *); 260 1.1.2.2 martin int vmbus_channel_setdeferred(struct vmbus_channel *, const char *); 261 1.1.2.2 martin void vmbus_channel_schedule(struct vmbus_channel *); 262 1.1.2.2 martin int vmbus_channel_send(struct vmbus_channel *, void *, uint32_t, uint64_t, 263 1.1.2.2 martin int, uint32_t); 264 1.1.2.2 martin int vmbus_channel_send_sgl(struct vmbus_channel *, struct vmbus_gpa *, 265 1.1.2.2 martin uint32_t, void *, uint32_t, uint64_t); 266 1.1.2.2 martin int vmbus_channel_send_prpl(struct vmbus_channel *, 267 1.1.2.2 martin struct vmbus_gpa_range *, uint32_t, void *, uint32_t, uint64_t); 268 1.1.2.2 martin int vmbus_channel_recv(struct vmbus_channel *, void *, uint32_t, uint32_t *, 269 1.1.2.2 martin uint64_t *, int); 270 1.1.2.2 martin void vmbus_channel_cpu_set(struct vmbus_channel *, int); 271 1.1.2.2 martin void vmbus_channel_cpu_rr(struct vmbus_channel *); 272 1.1.2.2 martin 273 1.1.2.2 martin struct vmbus_channel ** 274 1.1.2.2 martin vmbus_subchannel_get(struct vmbus_channel *, int); 275 1.1.2.2 martin void vmbus_subchannel_put(struct vmbus_channel **, int); 276 1.1.2.2 martin 277 1.1.2.2 martin #endif /* _VMBUSVAR_H_ */ 278
Indexes created Wed Oct 15 16:09:53 GMT 2025