/*- * Copyright (c) 2016 Microsoft Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _VMBUS_VAR_H_ #define _VMBUS_VAR_H_ #include #include #include #include #include #include #include #include #include #include /* * NOTE: DO NOT CHANGE THIS. */ #define VMBUS_SINT_MESSAGE 2 /* * NOTE: * - DO NOT set it to the same value as VMBUS_SINT_MESSAGE. * - DO NOT set it to 0. */ #define VMBUS_SINT_TIMER 4 /* * NOTE: DO NOT CHANGE THESE */ #define VMBUS_CONNID_MESSAGE 1 #define VMBUS_CONNID_EVENT 2 struct vmbus_message; struct vmbus_softc; typedef void (*vmbus_chanmsg_proc_t)(struct vmbus_softc *, const struct vmbus_message *); #define VMBUS_CHANMSG_PROC(name, func) \ [VMBUS_CHANMSG_TYPE_##name] = func #define VMBUS_CHANMSG_PROC_WAKEUP(name) \ VMBUS_CHANMSG_PROC(name, vmbus_msghc_wakeup) struct vmbus_pcpu_data { u_long *intr_cnt; /* Hyper-V interrupt counter */ struct vmbus_message *message; /* shared messages */ uint32_t vcpuid; /* virtual cpuid */ int event_flags_cnt;/* # of event flags */ struct vmbus_evtflags *event_flags; /* event flags from host */ #if defined(__x86_64__) void *cpu_mem; /* For Hyper-V tlb hypercall */ #endif /* Rarely used fields */ struct taskqueue *event_tq; /* event taskq */ struct taskqueue *message_tq; /* message taskq */ struct task message_task; /* message task */ } __aligned(CACHE_LINE_SIZE); struct vmbus_softc { void (*vmbus_event_proc)(struct vmbus_softc *, int); u_long *vmbus_tx_evtflags; /* event flags to host */ struct vmbus_mnf *vmbus_mnf2; /* monitored by host */ u_long *vmbus_rx_evtflags; /* compat evtflgs from host */ struct vmbus_channel *volatile *vmbus_chmap; struct vmbus_xact_ctx *vmbus_xc; struct vmbus_pcpu_data vmbus_pcpu[MAXCPU]; /* * Rarely used fields */ device_t vmbus_dev; int vmbus_idtvec; uint32_t vmbus_flags; /* see VMBUS_FLAG_ */ uint32_t vmbus_version; uint32_t vmbus_gpadl; /* Shared memory for vmbus_{rx,tx}_evtflags */ void *vmbus_evtflags; void *vmbus_mnf1; /* monitored by VM, unused */ bool vmbus_scandone; struct task vmbus_scandone_task; struct taskqueue *vmbus_devtq; /* for dev attach/detach */ struct taskqueue *vmbus_subchtq; /* for sub-chan attach/detach */ /* Primary channels */ struct mtx vmbus_prichan_lock; TAILQ_HEAD(, vmbus_channel) vmbus_prichans; /* Complete channel list */ struct mtx vmbus_chan_lock; TAILQ_HEAD(, vmbus_channel) vmbus_chans; struct intr_config_hook vmbus_intrhook; /* The list of usable MMIO ranges for PCIe pass-through */ struct pcib_host_resources vmbus_mmio_res; #if defined(__aarch64__) struct resource *ires; void *icookie; int vector; #endif bus_dma_tag_t dmat; }; #define VMBUS_FLAG_ATTACHED 0x0001 /* vmbus was attached */ #define VMBUS_FLAG_SYNIC 0x0002 /* SynIC was setup */ #define VMBUS_PCPU_GET(sc, field, cpu) (sc)->vmbus_pcpu[(cpu)].field #define VMBUS_PCPU_PTR(sc, field, cpu) &(sc)->vmbus_pcpu[(cpu)].field #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002 #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013 #define HV_FLUSH_ALL_PROCESSORS BIT(0) #define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES BIT(1) #define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2) #define HV_TLB_FLUSH_UNIT (4096 * PAGE_SIZE) #define BIT(n) (1ULL << (n)) #define BITS_PER_LONG (sizeof(long) * NBBY) #define BIT_MASK(nr) (1UL << ((nr) & (BITS_PER_LONG - 1))) #define BIT_WORD(nr) ((nr) / BITS_PER_LONG) #define set_bit(i, a) \ atomic_set_long(&((volatile unsigned long *)(a))[BIT_WORD(i)], BIT_MASK(i)) #define GENMASK_ULL(h, l) (((~0ULL) >> (64 - (h) - 1)) & ((~0ULL) << (l))) #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003 #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014 #define HYPERV_X64_EX_PROCESSOR_MASKS_RECOMMENDED BIT(11) #define HV_HYPERCALL_RESULT_MASK GENMASK_ULL(15, 0) #define HV_STATUS_SUCCESS 0 #define HV_HYPERCALL_REP_COMP_MASK GENMASK_ULL(43, 32) #define HV_HYPERCALL_REP_COMP_OFFSET 32 #define HV_HYPERCALL_VARHEAD_OFFSET 17 #define HV_HYPERCALL_REP_START_MASK GENMASK_ULL(59, 48) #define HV_HYPERCALL_REP_START_OFFSET 48 enum HV_GENERIC_SET_FORMAT { HV_GENERIC_SET_SPARSE_4K, HV_GENERIC_SET_ALL, }; struct vmbus_channel; struct trapframe; struct vmbus_message; struct vmbus_msghc; void vmbus_handle_intr(struct trapframe *); int vmbus_add_child(struct vmbus_channel *); int vmbus_delete_child(struct vmbus_channel *); #if !defined(__aarch64__) void vmbus_et_intr(struct trapframe *); #endif uint32_t vmbus_gpadl_alloc(struct vmbus_softc *); struct vmbus_msghc * vmbus_msghc_get(struct vmbus_softc *, size_t); void vmbus_msghc_put(struct vmbus_softc *, struct vmbus_msghc *); void *vmbus_msghc_dataptr(struct vmbus_msghc *); int vmbus_msghc_exec_noresult(struct vmbus_msghc *); int vmbus_msghc_exec(struct vmbus_softc *, struct vmbus_msghc *); void vmbus_msghc_exec_cancel(struct vmbus_softc *, struct vmbus_msghc *); const struct vmbus_message * vmbus_msghc_wait_result(struct vmbus_softc *, struct vmbus_msghc *); const struct vmbus_message * vmbus_msghc_poll_result(struct vmbus_softc *, struct vmbus_msghc *); void vmbus_msghc_wakeup(struct vmbus_softc *, const struct vmbus_message *); void vmbus_msghc_reset(struct vmbus_msghc *, size_t); void vmbus_handle_timer_intr1(struct vmbus_message *msg_base, struct trapframe *frame); void vmbus_synic_setup1(void *xsc); void vmbus_synic_teardown1(void); int vmbus_setup_intr1(struct vmbus_softc *sc); void vmbus_intr_teardown1(struct vmbus_softc *sc); extern uint32_t hv_max_vp_index; #if defined(__x86_64__) void hyperv_vm_tlb_flush(pmap_t, vm_offset_t, vm_offset_t, smp_invl_local_cb_t, enum invl_op_codes); uint64_t hv_flush_tlb_others_ex(pmap_t, vm_offset_t, vm_offset_t, cpuset_t, enum invl_op_codes, struct vmbus_softc *); void hv_vm_tlb_flush(pmap_t, vm_offset_t, vm_offset_t, enum invl_op_codes, struct vmbus_softc *, smp_invl_local_cb_t); #endif /* __x86_64__ */ #endif /* !_VMBUS_VAR_H_ */