vmbusvar.h revision 1.2.2.3
1 1.2.2.3 martin /* $NetBSD: vmbusvar.h,v 1.2.2.3 2020/04/08 14:08:05 martin 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 1.2.2.3 martin #include <sys/condvar.h> 28 1.2.2.2 christos #include <sys/evcnt.h> 29 1.2.2.2 christos #include <sys/kcpuset.h> 30 1.2.2.2 christos #include <sys/mutex.h> 31 1.2.2.2 christos #include <sys/pool.h> 32 1.2.2.2 christos 33 1.2.2.2 christos #include <dev/hyperv/hypervreg.h> 34 1.2.2.2 christos #include <dev/hyperv/hypervvar.h> 35 1.2.2.2 christos 36 1.2.2.2 christos /* #define HYPERV_DEBUG */ 37 1.2.2.2 christos 38 1.2.2.2 christos #ifdef HYPERV_DEBUG 39 1.2.2.2 christos #define DPRINTF(x...) printf(x) 40 1.2.2.2 christos #else 41 1.2.2.2 christos #define DPRINTF(x...) 42 1.2.2.2 christos #endif 43 1.2.2.2 christos 44 1.2.2.2 christos typedef void (*vmbus_channel_callback_t)(void *); 45 1.2.2.2 christos 46 1.2.2.2 christos struct vmbus_softc; 47 1.2.2.3 martin struct vmbus_channel; 48 1.2.2.2 christos 49 1.2.2.2 christos struct vmbus_msg { 50 1.2.2.2 christos uint64_t msg_flags; 51 1.2.2.2 christos #define MSGF_NOSLEEP __BIT(0) 52 1.2.2.2 christos #define MSGF_NOQUEUE __BIT(1) 53 1.2.2.2 christos #define MSGF_ORPHANED __BIT(2) 54 1.2.2.2 christos struct hyperv_hypercall_postmsg_in msg_req __aligned(8); 55 1.2.2.2 christos void *msg_rsp; 56 1.2.2.2 christos size_t msg_rsplen; 57 1.2.2.2 christos TAILQ_ENTRY(vmbus_msg) msg_entry; 58 1.2.2.2 christos }; 59 1.2.2.2 christos __CTASSERT((offsetof(struct vmbus_msg, msg_req) % 8) == 0); 60 1.2.2.2 christos TAILQ_HEAD(vmbus_queue, vmbus_msg); 61 1.2.2.2 christos 62 1.2.2.3 martin struct vmbus_dev { 63 1.2.2.3 martin int vd_type; 64 1.2.2.3 martin #define VMBUS_DEV_TYPE_ATTACH 0 65 1.2.2.3 martin #define VMBUS_DEV_TYPE_DETACH 1 66 1.2.2.3 martin struct vmbus_channel *vd_chan; 67 1.2.2.3 martin SIMPLEQ_ENTRY(vmbus_dev) vd_entry; 68 1.2.2.2 christos }; 69 1.2.2.3 martin SIMPLEQ_HEAD(vmbus_devq, vmbus_dev); 70 1.2.2.2 christos 71 1.2.2.2 christos struct vmbus_ring_data { 72 1.2.2.2 christos struct vmbus_bufring *rd_ring; 73 1.2.2.2 christos uint32_t rd_size; 74 1.2.2.2 christos kmutex_t rd_lock; 75 1.2.2.2 christos uint32_t rd_prod; 76 1.2.2.2 christos uint32_t rd_cons; 77 1.2.2.2 christos uint32_t rd_dsize; 78 1.2.2.2 christos }; 79 1.2.2.2 christos 80 1.2.2.2 christos TAILQ_HEAD(vmbus_channels, vmbus_channel); 81 1.2.2.2 christos 82 1.2.2.2 christos struct vmbus_channel { 83 1.2.2.2 christos struct vmbus_softc *ch_sc; 84 1.2.2.2 christos device_t ch_dev; 85 1.2.2.2 christos u_int ch_refs; 86 1.2.2.2 christos 87 1.2.2.2 christos int ch_state; 88 1.2.2.2 christos #define VMBUS_CHANSTATE_OFFERED 1 89 1.2.2.2 christos #define VMBUS_CHANSTATE_OPENED 2 90 1.2.2.2 christos #define VMBUS_CHANSTATE_CLOSING 3 91 1.2.2.2 christos #define VMBUS_CHANSTATE_CLOSED 4 92 1.2.2.2 christos uint32_t ch_id; 93 1.2.2.2 christos uint16_t ch_subidx; 94 1.2.2.2 christos 95 1.2.2.2 christos struct hyperv_guid ch_type; 96 1.2.2.2 christos struct hyperv_guid ch_inst; 97 1.2.2.2 christos char ch_ident[38]; 98 1.2.2.2 christos 99 1.2.2.2 christos void *ch_ring; 100 1.2.2.2 christos uint32_t ch_ring_gpadl; 101 1.2.2.2 christos u_long ch_ring_size; 102 1.2.2.2 christos struct hyperv_dma ch_ring_dma; 103 1.2.2.2 christos 104 1.2.2.2 christos struct vmbus_ring_data ch_wrd; 105 1.2.2.2 christos struct vmbus_ring_data ch_rrd; 106 1.2.2.2 christos 107 1.2.2.2 christos int ch_cpuid; 108 1.2.2.2 christos uint32_t ch_vcpu; 109 1.2.2.2 christos 110 1.2.2.2 christos void (*ch_handler)(void *); 111 1.2.2.2 christos void *ch_ctx; 112 1.2.2.2 christos struct evcnt ch_evcnt; 113 1.2.2.2 christos void *ch_taskq; 114 1.2.2.2 christos 115 1.2.2.2 christos uint32_t ch_flags; 116 1.2.2.2 christos #define CHF_BATCHED __BIT(0) 117 1.2.2.2 christos #define CHF_MONITOR __BIT(1) 118 1.2.2.3 martin #define CHF_REVOKED __BIT(2) 119 1.2.2.2 christos 120 1.2.2.2 christos uint8_t ch_mgroup; 121 1.2.2.2 christos uint8_t ch_mindex; 122 1.2.2.2 christos struct hyperv_mon_param *ch_monprm; 123 1.2.2.2 christos struct hyperv_dma ch_monprm_dma; 124 1.2.2.2 christos 125 1.2.2.2 christos TAILQ_ENTRY(vmbus_channel) ch_entry; 126 1.2.2.2 christos 127 1.2.2.2 christos kmutex_t ch_subchannel_lock; 128 1.2.2.2 christos struct vmbus_channels ch_subchannels; 129 1.2.2.2 christos u_int ch_subchannel_count; 130 1.2.2.2 christos TAILQ_ENTRY(vmbus_channel) ch_subentry; 131 1.2.2.2 christos struct vmbus_channel *ch_primary_channel; 132 1.2.2.2 christos }; 133 1.2.2.2 christos 134 1.2.2.2 christos #define VMBUS_CHAN_ISPRIMARY(chan) ((chan)->ch_subidx == 0) 135 1.2.2.2 christos 136 1.2.2.2 christos struct vmbus_attach_args { 137 1.2.2.2 christos struct hyperv_guid *aa_type; 138 1.2.2.2 christos struct hyperv_guid *aa_inst; 139 1.2.2.2 christos char *aa_ident; 140 1.2.2.2 christos struct vmbus_channel *aa_chan; 141 1.2.2.2 christos bus_space_tag_t aa_iot; 142 1.2.2.2 christos bus_space_tag_t aa_memt; 143 1.2.2.2 christos }; 144 1.2.2.2 christos 145 1.2.2.2 christos struct vmbus_percpu_data { 146 1.2.2.2 christos void *simp; /* Synthetic Interrupt Message Page */ 147 1.2.2.2 christos void *siep; /* Synthetic Interrupt Event Flags Page */ 148 1.2.2.2 christos 149 1.2.2.2 christos /* Rarely used fields */ 150 1.2.2.2 christos struct hyperv_dma simp_dma; 151 1.2.2.2 christos struct hyperv_dma siep_dma; 152 1.2.2.2 christos } __aligned(CACHE_LINE_SIZE); 153 1.2.2.2 christos 154 1.2.2.2 christos struct vmbus_softc { 155 1.2.2.2 christos device_t sc_dev; 156 1.2.2.2 christos bus_space_tag_t sc_iot; 157 1.2.2.2 christos bus_space_tag_t sc_memt; 158 1.2.2.2 christos bus_dma_tag_t sc_dmat; 159 1.2.2.2 christos 160 1.2.2.2 christos pool_cache_t sc_msgpool; 161 1.2.2.2 christos 162 1.2.2.2 christos void *sc_msg_sih; 163 1.2.2.2 christos 164 1.2.2.2 christos u_long *sc_wevents; /* Write events */ 165 1.2.2.2 christos u_long *sc_revents; /* Read events */ 166 1.2.2.2 christos struct vmbus_mnf *sc_monitor[2]; 167 1.2.2.2 christos struct vmbus_percpu_data sc_percpu[MAXCPUS]; 168 1.2.2.2 christos 169 1.2.2.2 christos /* 170 1.2.2.2 christos * Rarely used fields 171 1.2.2.2 christos */ 172 1.2.2.2 christos uint32_t sc_flags; 173 1.2.2.2 christos #define VMBUS_SCFLAG_SYNIC __BIT(0) 174 1.2.2.2 christos #define VMBUS_SCFLAG_CONNECTED __BIT(1) 175 1.2.2.2 christos #define VMBUS_SCFLAG_OFFERS_DELIVERED __BIT(2) 176 1.2.2.2 christos uint32_t sc_proto; 177 1.2.2.2 christos int sc_channel_max; 178 1.2.2.2 christos 179 1.2.2.2 christos kcpuset_t *sc_intr_cpuset; 180 1.2.2.2 christos 181 1.2.2.2 christos /* Shared memory for Write/Read events */ 182 1.2.2.2 christos void *sc_events; 183 1.2.2.2 christos struct hyperv_dma sc_events_dma; 184 1.2.2.2 christos 185 1.2.2.2 christos struct hyperv_dma sc_monitor_dma[2]; 186 1.2.2.2 christos 187 1.2.2.2 christos struct vmbus_queue sc_reqs; /* Request queue */ 188 1.2.2.2 christos kmutex_t sc_req_lock; 189 1.2.2.2 christos struct vmbus_queue sc_rsps; /* Response queue */ 190 1.2.2.2 christos kmutex_t sc_rsp_lock; 191 1.2.2.2 christos 192 1.2.2.3 martin struct vmbus_devq sc_devq; 193 1.2.2.3 martin kmutex_t sc_devq_lock; 194 1.2.2.3 martin kcondvar_t sc_devq_cv; 195 1.2.2.2 christos 196 1.2.2.2 christos struct vmbus_channels sc_channels; 197 1.2.2.2 christos kmutex_t sc_channel_lock; 198 1.2.2.2 christos 199 1.2.2.2 christos volatile uint32_t sc_handle; 200 1.2.2.2 christos }; 201 1.2.2.2 christos 202 1.2.2.2 christos static __inline void 203 1.2.2.2 christos clear_bit(u_int b, volatile void *p) 204 1.2.2.2 christos { 205 1.2.2.2 christos atomic_and_32(((volatile u_int *)p) + (b >> 5), ~(1 << (b & 0x1f))); 206 1.2.2.2 christos } 207 1.2.2.2 christos 208 1.2.2.2 christos static __inline void 209 1.2.2.2 christos set_bit(u_int b, volatile void *p) 210 1.2.2.2 christos { 211 1.2.2.2 christos atomic_or_32(((volatile u_int *)p) + (b >> 5), 1 << (b & 0x1f)); 212 1.2.2.2 christos } 213 1.2.2.2 christos 214 1.2.2.2 christos static __inline int 215 1.2.2.2 christos test_bit(u_int b, volatile void *p) 216 1.2.2.2 christos { 217 1.2.2.2 christos return !!(((volatile u_int *)p)[b >> 5] & (1 << (b & 0x1f))); 218 1.2.2.2 christos } 219 1.2.2.2 christos 220 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_network; 221 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_ide; 222 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_scsi; 223 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_shutdown; 224 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_timesync; 225 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_heartbeat; 226 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_kvp; 227 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_vss; 228 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_dynmem; 229 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_mouse; 230 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_kbd; 231 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_video; 232 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_fc; 233 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_fcopy; 234 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_pcie; 235 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_netdir; 236 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_rdesktop; 237 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_avma1; 238 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_avma2; 239 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_avma3; 240 1.2.2.2 christos extern const struct hyperv_guid hyperv_guid_avma4; 241 1.2.2.2 christos 242 1.2.2.2 christos int vmbus_match(device_t, cfdata_t, void *); 243 1.2.2.2 christos int vmbus_attach(struct vmbus_softc *); 244 1.2.2.2 christos int vmbus_detach(struct vmbus_softc *, int); 245 1.2.2.2 christos 246 1.2.2.2 christos int vmbus_handle_alloc(struct vmbus_channel *, const struct hyperv_dma *, 247 1.2.2.2 christos uint32_t, uint32_t *); 248 1.2.2.2 christos void vmbus_handle_free(struct vmbus_channel *, uint32_t); 249 1.2.2.2 christos int vmbus_channel_open(struct vmbus_channel *, size_t, void *, size_t, 250 1.2.2.2 christos vmbus_channel_callback_t, void *); 251 1.2.2.2 christos int vmbus_channel_close(struct vmbus_channel *); 252 1.2.2.2 christos int vmbus_channel_close_direct(struct vmbus_channel *); 253 1.2.2.2 christos int vmbus_channel_setdeferred(struct vmbus_channel *, const char *); 254 1.2.2.2 christos void vmbus_channel_schedule(struct vmbus_channel *); 255 1.2.2.2 christos int vmbus_channel_send(struct vmbus_channel *, void *, uint32_t, uint64_t, 256 1.2.2.2 christos int, uint32_t); 257 1.2.2.2 christos int vmbus_channel_send_sgl(struct vmbus_channel *, struct vmbus_gpa *, 258 1.2.2.2 christos uint32_t, void *, uint32_t, uint64_t); 259 1.2.2.2 christos int vmbus_channel_send_prpl(struct vmbus_channel *, 260 1.2.2.2 christos struct vmbus_gpa_range *, uint32_t, void *, uint32_t, uint64_t); 261 1.2.2.2 christos int vmbus_channel_recv(struct vmbus_channel *, void *, uint32_t, uint32_t *, 262 1.2.2.2 christos uint64_t *, int); 263 1.2.2.2 christos void vmbus_channel_cpu_set(struct vmbus_channel *, int); 264 1.2.2.2 christos void vmbus_channel_cpu_rr(struct vmbus_channel *); 265 1.2.2.3 martin bool vmbus_channel_is_revoked(struct vmbus_channel *); 266 1.2.2.2 christos 267 1.2.2.2 christos struct vmbus_channel ** 268 1.2.2.2 christos vmbus_subchannel_get(struct vmbus_channel *, int); 269 1.2.2.2 christos void vmbus_subchannel_put(struct vmbus_channel **, int); 270 1.2.2.2 christos 271 1.2.2.2 christos #endif /* _VMBUSVAR_H_ */ 272
Indexes created Wed Oct 15 07:09:58 GMT 2025