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amd64
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hyperv.c
(9.21 KB)
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hyperv_busdma.c
(3.01 KB)
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hyperv_machdep.h
(1.54 KB)
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hyperv_reg.h
(5.84 KB)
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hyperv_var.h
(1.54 KB)
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i386
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vmbus.c
(40.69 KB)
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vmbus_br.c
(17.12 KB)
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vmbus_brvar.h
(5.19 KB)
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vmbus_chan.c
(59.04 KB)
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vmbus_chanvar.h
(5.89 KB)
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vmbus_et.c
(5.38 KB)
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vmbus_if.m
(1.72 KB)
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vmbus_reg.h
(12.08 KB)
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vmbus_res.c
(2.84 KB)
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vmbus_var.h
(5.43 KB)
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vmbus_xact.c
(10.47 KB)
Editing: vmbus_brvar.h
/*- * Copyright (c) 2009-2012,2016 Microsoft Corp. * Copyright (c) 2012 NetApp Inc. * Copyright (c) 2012 Citrix Inc. * 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. * * $FreeBSD$ */ #ifndef _VMBUS_BRVAR_H_ #define _VMBUS_BRVAR_H_ #include <sys/param.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/_iovec.h> struct vmbus_br { struct vmbus_bufring *vbr; uint32_t vbr_dsize; /* total data size */ }; #define vbr_windex vbr->br_windex #define vbr_rindex vbr->br_rindex #define vbr_imask vbr->br_imask #define vbr_psndsz vbr->br_pending_snd_sz #define vbr_fpsndsz vbr->br_feature_bits.feat_pending_snd_sz #define vbr_fvalue vbr->br_feature_bits.value #define vbr_intrcnt vbr->br_g2h_intr_cnt #define vbr_data vbr->br_data struct vmbus_rxbr { struct mtx rxbr_lock; struct vmbus_br rxbr; }; #define rxbr_windex rxbr.vbr_windex #define rxbr_rindex rxbr.vbr_rindex #define rxbr_imask rxbr.vbr_imask #define rxbr_psndsz rxbr.vbr_psndsz #define rxbr_fpsndsz rxbr.vbr_fpsndsz #define rxbr_fvalue rxbr.vbr_fvalue #define rxbr_intrcnt rxbr.vbr_intrcnt #define rxbr_data rxbr.vbr_data #define rxbr_dsize rxbr.vbr_dsize struct vmbus_txbr { struct mtx txbr_lock; struct vmbus_br txbr; }; #define txbr_windex txbr.vbr_windex #define txbr_rindex txbr.vbr_rindex #define txbr_imask txbr.vbr_imask #define txbr_psndsz txbr.vbr_psndsz #define txbr_fpsndsz txbr.vbr_fpsndsz #define txbr_fvalue txbr.vbr_fvalue #define txbr_intrcnt txbr.vbr_intrcnt #define txbr_data txbr.vbr_data #define txbr_dsize txbr.vbr_dsize struct sysctl_ctx_list; struct sysctl_oid; static __inline int vmbus_txbr_maxpktsz(const struct vmbus_txbr *tbr) { /* * - 64 bits for the trailing start index (- sizeof(uint64_t)). * - The rindex and windex can't be same (- 1). See * the comment near vmbus_bufring.br_{r,w}index. */ return (tbr->txbr_dsize - sizeof(uint64_t) - 1); } static __inline bool vmbus_txbr_empty(const struct vmbus_txbr *tbr) { return (tbr->txbr_windex == tbr->txbr_rindex ? true : false); } static __inline bool vmbus_rxbr_empty(const struct vmbus_rxbr *rbr) { return (rbr->rxbr_windex == rbr->rxbr_rindex ? true : false); } static __inline int vmbus_br_nelem(int br_size, int elem_size) { /* Strip bufring header */ br_size -= sizeof(struct vmbus_bufring); /* Add per-element trailing index */ elem_size += sizeof(uint64_t); return (br_size / elem_size); } void vmbus_br_sysctl_create(struct sysctl_ctx_list *ctx, struct sysctl_oid *br_tree, struct vmbus_br *br, const char *name); void vmbus_rxbr_init(struct vmbus_rxbr *rbr); void vmbus_rxbr_deinit(struct vmbus_rxbr *rbr); void vmbus_rxbr_setup(struct vmbus_rxbr *rbr, void *buf, int blen); int vmbus_rxbr_peek(struct vmbus_rxbr *rbr, void *data, int dlen); int vmbus_rxbr_read(struct vmbus_rxbr *rbr, void *data, int dlen, uint32_t skip); int vmbus_rxbr_idxadv(struct vmbus_rxbr *rbr, uint32_t idx_adv, boolean_t *need_sig); int vmbus_rxbr_idxadv_peek(struct vmbus_rxbr *rbr, void *data, int dlen, uint32_t idx_adv, boolean_t *need_sig); int vmbus_rxbr_peek_call(struct vmbus_rxbr *rbr, int dlen, uint32_t skip, vmbus_br_copy_callback_t cb, void *cbarg); void vmbus_rxbr_intr_mask(struct vmbus_rxbr *rbr); uint32_t vmbus_rxbr_intr_unmask(struct vmbus_rxbr *rbr); uint32_t vmbus_rxbr_available(const struct vmbus_rxbr *rbr); void vmbus_txbr_init(struct vmbus_txbr *tbr); void vmbus_txbr_deinit(struct vmbus_txbr *tbr); void vmbus_txbr_setup(struct vmbus_txbr *tbr, void *buf, int blen); int vmbus_txbr_write(struct vmbus_txbr *tbr, const struct iovec iov[], int iovlen, boolean_t *need_sig); int vmbus_txbr_write_call(struct vmbus_txbr *tbr, const struct iovec iov[], int iovlen, vmbus_br_copy_callback_t cb, void *cbarg, boolean_t *need_sig); uint32_t vmbus_txbr_available(const struct vmbus_txbr *tbr); uint32_t vmbus_txbr_get_imask(const struct vmbus_txbr *tbr); void vmbus_txbr_set_pending_snd_sz(struct vmbus_txbr *tbr, uint32_t size); #endif /* _VMBUS_BRVAR_H_ */
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