Date: Wed, 13 Jul 2016 03:24:29 +0000 (UTC) From: Sepherosa Ziehau <sephe@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r302693 - in head/sys/dev/hyperv: include netvsc vmbus Message-ID: <201607130324.u6D3OTUd052256@repo.freebsd.org>
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Author: sephe Date: Wed Jul 13 03:24:29 2016 New Revision: 302693 URL: https://svnweb.freebsd.org/changeset/base/302693 Log: hyperv/vmbus: Make channel id a field of hv_vmbus_channel. This prepares to remove the unnecessary offer message embedding in hv_vmbus_channel. MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D7014 Modified: head/sys/dev/hyperv/include/hyperv.h head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c head/sys/dev/hyperv/vmbus/hv_channel.c head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c Modified: head/sys/dev/hyperv/include/hyperv.h ============================================================================== --- head/sys/dev/hyperv/include/hyperv.h Wed Jul 13 03:14:29 2016 (r302692) +++ head/sys/dev/hyperv/include/hyperv.h Wed Jul 13 03:24:29 2016 (r302693) @@ -538,6 +538,7 @@ typedef struct hv_vmbus_channel { struct vmbus_softc *vmbus_sc; hv_vmbus_channel_state state; hv_vmbus_channel_offer_channel offer_msg; + uint32_t ch_id; /* channel id */ /* * These are based on the offer_msg.monitor_id. * Save it here for easy access. Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Wed Jul 13 03:14:29 2016 (r302692) +++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Wed Jul 13 03:24:29 2016 (r302693) @@ -2953,7 +2953,7 @@ hn_channel_attach(struct hn_softc *sc, s chan->hv_chan_rxr = rxr; if (bootverbose) { if_printf(sc->hn_ifp, "link RX ring %d to channel%u\n", - idx, chan->offer_msg.child_rel_id); + idx, chan->ch_id); } if (idx < sc->hn_tx_ring_inuse) { @@ -2967,7 +2967,7 @@ hn_channel_attach(struct hn_softc *sc, s txr->hn_chan = chan; if (bootverbose) { if_printf(sc->hn_ifp, "link TX ring %d to channel%u\n", - idx, chan->offer_msg.child_rel_id); + idx, chan->ch_id); } } Modified: head/sys/dev/hyperv/vmbus/hv_channel.c ============================================================================== --- head/sys/dev/hyperv/vmbus/hv_channel.c Wed Jul 13 03:14:29 2016 (r302692) +++ head/sys/dev/hyperv/vmbus/hv_channel.c Wed Jul 13 03:24:29 2016 (r302693) @@ -62,7 +62,7 @@ static void vmbus_channel_set_event(hv_vmbus_channel *channel) { struct vmbus_softc *sc = channel->vmbus_sc; - uint32_t chanid = channel->offer_msg.child_rel_id; + uint32_t chanid = channel->ch_id; atomic_set_long(&sc->vmbus_tx_evtflags[chanid >> VMBUS_EVTFLAG_SHIFT], 1UL << (chanid & VMBUS_EVTFLAG_MASK)); @@ -107,10 +107,10 @@ vmbus_channel_sysctl_create(hv_vmbus_cha if (primary_ch == NULL) { dev = channel->device->device; - ch_id = channel->offer_msg.child_rel_id; + ch_id = channel->ch_id; } else { dev = primary_ch->device->device; - ch_id = primary_ch->offer_msg.child_rel_id; + ch_id = primary_ch->ch_id; sub_ch_id = channel->offer_msg.offer.sub_channel_index; } ctx = &channel->ch_sysctl_ctx; @@ -136,7 +136,7 @@ vmbus_channel_sysctl_create(hv_vmbus_cha SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(devch_id_sysctl), OID_AUTO, "chanid", CTLFLAG_RD, - &channel->offer_msg.child_rel_id, 0, "channel id"); + &channel->ch_id, 0, "channel id"); } SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(devch_id_sysctl), OID_AUTO, "cpu", CTLFLAG_RD, &channel->target_cpu, 0, "owner CPU id"); @@ -190,7 +190,7 @@ hv_vmbus_channel_open( if (user_data_len > VMBUS_CHANMSG_CHOPEN_UDATA_SIZE) { device_printf(sc->vmbus_dev, "invalid udata len %u for chan%u\n", - user_data_len, new_channel->offer_msg.child_rel_id); + user_data_len, new_channel->ch_id); return EINVAL; } @@ -261,14 +261,14 @@ hv_vmbus_channel_open( if (mh == NULL) { device_printf(sc->vmbus_dev, "can not get msg hypercall for chopen(chan%u)\n", - new_channel->offer_msg.child_rel_id); + new_channel->ch_id); return ENXIO; } req = vmbus_msghc_dataptr(mh); req->chm_hdr.chm_type = VMBUS_CHANMSG_TYPE_CHOPEN; - req->chm_chanid = new_channel->offer_msg.child_rel_id; - req->chm_openid = new_channel->offer_msg.child_rel_id; + req->chm_chanid = new_channel->ch_id; + req->chm_openid = new_channel->ch_id; req->chm_gpadl = new_channel->ring_buffer_gpadl_handle; req->chm_vcpuid = new_channel->target_vcpu; req->chm_rxbr_pgofs = send_ring_buffer_size >> PAGE_SHIFT; @@ -279,7 +279,7 @@ hv_vmbus_channel_open( if (ret != 0) { device_printf(sc->vmbus_dev, "chopen(chan%u) msg hypercall exec failed: %d\n", - new_channel->offer_msg.child_rel_id, ret); + new_channel->ch_id, ret); vmbus_msghc_put(sc, mh); return ret; } @@ -294,11 +294,11 @@ hv_vmbus_channel_open( new_channel->state = HV_CHANNEL_OPENED_STATE; if (bootverbose) { device_printf(sc->vmbus_dev, "chan%u opened\n", - new_channel->offer_msg.child_rel_id); + new_channel->ch_id); } } else { device_printf(sc->vmbus_dev, "failed to open chan%u\n", - new_channel->offer_msg.child_rel_id); + new_channel->ch_id); ret = ENXIO; } return (ret); @@ -369,13 +369,13 @@ hv_vmbus_channel_establish_gpadl(struct if (mh == NULL) { device_printf(sc->vmbus_dev, "can not get msg hypercall for gpadl->chan%u\n", - channel->offer_msg.child_rel_id); + channel->ch_id); return EIO; } req = vmbus_msghc_dataptr(mh); req->chm_hdr.chm_type = VMBUS_CHANMSG_TYPE_GPADL_CONN; - req->chm_chanid = channel->offer_msg.child_rel_id; + req->chm_chanid = channel->ch_id; req->chm_gpadl = gpadl; req->chm_range_len = range_len; req->chm_range_cnt = 1; @@ -388,7 +388,7 @@ hv_vmbus_channel_establish_gpadl(struct if (error) { device_printf(sc->vmbus_dev, "gpadl->chan%u msg hypercall exec failed: %d\n", - channel->offer_msg.child_rel_id, error); + channel->ch_id, error); vmbus_msghc_put(sc, mh); return error; } @@ -424,12 +424,12 @@ hv_vmbus_channel_establish_gpadl(struct if (status != 0) { device_printf(sc->vmbus_dev, "gpadl->chan%u failed: " - "status %u\n", channel->offer_msg.child_rel_id, status); + "status %u\n", channel->ch_id, status); return EIO; } else { if (bootverbose) { device_printf(sc->vmbus_dev, "gpadl->chan%u " - "succeeded\n", channel->offer_msg.child_rel_id); + "succeeded\n", channel->ch_id); } } return 0; @@ -450,20 +450,20 @@ hv_vmbus_channel_teardown_gpdal(struct h if (mh == NULL) { device_printf(sc->vmbus_dev, "can not get msg hypercall for gpa x->chan%u\n", - chan->offer_msg.child_rel_id); + chan->ch_id); return EBUSY; } req = vmbus_msghc_dataptr(mh); req->chm_hdr.chm_type = VMBUS_CHANMSG_TYPE_GPADL_DISCONN; - req->chm_chanid = chan->offer_msg.child_rel_id; + req->chm_chanid = chan->ch_id; req->chm_gpadl = gpadl; error = vmbus_msghc_exec(sc, mh); if (error) { device_printf(sc->vmbus_dev, "gpa x->chan%u msg hypercall exec failed: %d\n", - chan->offer_msg.child_rel_id, error); + chan->ch_id, error); vmbus_msghc_put(sc, mh); return error; } @@ -502,13 +502,13 @@ hv_vmbus_channel_close_internal(hv_vmbus if (mh == NULL) { device_printf(sc->vmbus_dev, "can not get msg hypercall for chclose(chan%u)\n", - channel->offer_msg.child_rel_id); + channel->ch_id); return; } req = vmbus_msghc_dataptr(mh); req->chm_hdr.chm_type = VMBUS_CHANMSG_TYPE_CHCLOSE; - req->chm_chanid = channel->offer_msg.child_rel_id; + req->chm_chanid = channel->ch_id; error = vmbus_msghc_exec_noresult(mh); vmbus_msghc_put(sc, mh); @@ -516,11 +516,11 @@ hv_vmbus_channel_close_internal(hv_vmbus if (error) { device_printf(sc->vmbus_dev, "chclose(chan%u) msg hypercall exec failed: %d\n", - channel->offer_msg.child_rel_id, error); + channel->ch_id, error); return; } else if (bootverbose) { device_printf(sc->vmbus_dev, "close chan%u\n", - channel->offer_msg.child_rel_id); + channel->ch_id); } /* Tear down the gpadl for the channel's ring buffer */ @@ -957,7 +957,7 @@ vmbus_chan_update_evtflagcnt(struct vmbu volatile int *flag_cnt_ptr; int flag_cnt; - flag_cnt = (chan->offer_msg.child_rel_id / VMBUS_EVTFLAG_LEN) + 1; + flag_cnt = (chan->ch_id / VMBUS_EVTFLAG_LEN) + 1; flag_cnt_ptr = VMBUS_PCPU_PTR(sc, event_flags_cnt, chan->target_cpu); for (;;) { @@ -970,7 +970,7 @@ vmbus_chan_update_evtflagcnt(struct vmbu if (bootverbose) { device_printf(sc->vmbus_dev, "channel%u update cpu%d flag_cnt to %d\n", - chan->offer_msg.child_rel_id, + chan->ch_id, chan->target_cpu, flag_cnt); } break; Modified: head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c ============================================================================== --- head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c Wed Jul 13 03:14:29 2016 (r302692) +++ head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c Wed Jul 13 03:24:29 2016 (r302693) @@ -112,7 +112,7 @@ vmbus_channel_process_offer(hv_vmbus_cha hv_vmbus_channel* channel; uint32_t relid; - relid = new_channel->offer_msg.child_rel_id; + relid = new_channel->ch_id; /* * Make sure this is a new offer */ @@ -148,10 +148,10 @@ vmbus_channel_process_offer(hv_vmbus_cha logstr[0] = '\0'; if (channel != NULL) { snprintf(logstr, sizeof(logstr), ", primary chan%u", - channel->offer_msg.child_rel_id); + channel->ch_id); } device_printf(sc->vmbus_dev, "chan%u subchanid%u offer%s\n", - new_channel->offer_msg.child_rel_id, + new_channel->ch_id, new_channel->offer_msg.offer.sub_channel_index, logstr); } @@ -200,7 +200,7 @@ vmbus_channel_process_offer(hv_vmbus_cha } printf("VMBUS: duplicated primary channel%u\n", - new_channel->offer_msg.child_rel_id); + new_channel->ch_id); hv_vmbus_free_vmbus_channel(new_channel); return; } @@ -241,7 +241,7 @@ vmbus_channel_cpu_set(struct hv_vmbus_ch if (bootverbose) { printf("vmbus_chan%u: assigned to cpu%u [vcpu%u]\n", - chan->offer_msg.child_rel_id, + chan->ch_id, chan->target_cpu, chan->target_vcpu); } } @@ -292,6 +292,7 @@ vmbus_channel_on_offer_internal(struct v /* Allocate the channel object and save this offer */ new_channel = hv_vmbus_allocate_channel(sc); + new_channel->ch_id = offer->child_rel_id; /* * By default we setup state to enable batched @@ -379,13 +380,13 @@ vmbus_chan_detach_task(void *xchan, int if (mh == NULL) { device_printf(sc->vmbus_dev, "can not get msg hypercall for chfree(chan%u)\n", - chan->offer_msg.child_rel_id); + chan->ch_id); goto remove; } req = vmbus_msghc_dataptr(mh); req->chm_hdr.chm_type = VMBUS_CHANMSG_TYPE_CHFREE; - req->chm_chanid = chan->offer_msg.child_rel_id; + req->chm_chanid = chan->ch_id; error = vmbus_msghc_exec_noresult(mh); vmbus_msghc_put(sc, mh); @@ -393,12 +394,12 @@ vmbus_chan_detach_task(void *xchan, int if (error) { device_printf(sc->vmbus_dev, "chfree(chan%u) failed: %d", - chan->offer_msg.child_rel_id, error); + chan->ch_id, error); /* NOTE: Move on! */ } else { if (bootverbose) { device_printf(sc->vmbus_dev, "chan%u freed\n", - chan->offer_msg.child_rel_id); + chan->ch_id); } } remove:
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