Author: sephe Date: Wed Jul 20 05:34:28 2016 New Revision: 303069 URL: https://svnweb.freebsd.org/changeset/base/303069
Log: hyperv/vmbus: Pass channel as the first argument for channel callback The prepares to kill device private fields in channel struct, which are not flexible and extensible. MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D7243 Modified: head/sys/dev/hyperv/include/hyperv.h head/sys/dev/hyperv/netvsc/hv_net_vsc.c head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c head/sys/dev/hyperv/utilities/hv_heartbeat.c head/sys/dev/hyperv/utilities/hv_kvp.c head/sys/dev/hyperv/utilities/hv_shutdown.c head/sys/dev/hyperv/utilities/hv_timesync.c head/sys/dev/hyperv/utilities/hv_util.c head/sys/dev/hyperv/utilities/hv_util.h head/sys/dev/hyperv/vmbus/vmbus_chan.c Modified: head/sys/dev/hyperv/include/hyperv.h ============================================================================== --- head/sys/dev/hyperv/include/hyperv.h Wed Jul 20 05:26:04 2016 (r303068) +++ head/sys/dev/hyperv/include/hyperv.h Wed Jul 20 05:34:28 2016 (r303069) @@ -113,7 +113,9 @@ typedef struct { uint32_t ring_data_size; /* ring_size */ } hv_vmbus_ring_buffer_info; -typedef void (*vmbus_chan_callback_t)(void *); +struct hv_vmbus_channel; + +typedef void (*vmbus_chan_callback_t)(struct hv_vmbus_channel *, void *); typedef struct hv_vmbus_channel { device_t ch_dev; Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_net_vsc.c Wed Jul 20 05:26:04 2016 (r303068) +++ head/sys/dev/hyperv/netvsc/hv_net_vsc.c Wed Jul 20 05:34:28 2016 (r303069) @@ -57,7 +57,7 @@ MALLOC_DEFINE(M_NETVSC, "netvsc", "Hyper /* * Forward declarations */ -static void hv_nv_on_channel_callback(void *xchan); +static void hv_nv_on_channel_callback(struct hv_vmbus_channel *chan, void *arg); static int hv_nv_init_send_buffer_with_net_vsp(struct hn_softc *sc); static int hv_nv_init_rx_buffer_with_net_vsp(struct hn_softc *); static int hv_nv_destroy_send_buffer(netvsc_dev *net_dev); @@ -647,7 +647,7 @@ hv_nv_subchan_attach(struct hv_vmbus_cha chan->ch_dev_rdbuf = malloc(NETVSC_PACKET_SIZE, M_NETVSC, M_WAITOK); vmbus_chan_open(chan, NETVSC_DEVICE_RING_BUFFER_SIZE, NETVSC_DEVICE_RING_BUFFER_SIZE, NULL, 0, - hv_nv_on_channel_callback, chan); + hv_nv_on_channel_callback, NULL); } /* @@ -677,7 +677,7 @@ hv_nv_on_device_add(struct hn_softc *sc, */ ret = vmbus_chan_open(chan, NETVSC_DEVICE_RING_BUFFER_SIZE, NETVSC_DEVICE_RING_BUFFER_SIZE, - NULL, 0, hv_nv_on_channel_callback, chan); + NULL, 0, hv_nv_on_channel_callback, NULL); if (ret != 0) { free(chan->ch_dev_rdbuf, M_NETVSC); goto cleanup; @@ -973,9 +973,8 @@ hv_nv_send_table(struct hn_softc *sc, co * Net VSC on channel callback */ static void -hv_nv_on_channel_callback(void *xchan) +hv_nv_on_channel_callback(struct hv_vmbus_channel *chan, void *arg __unused) { - struct hv_vmbus_channel *chan = xchan; device_t dev = chan->ch_dev; struct hn_softc *sc = device_get_softc(dev); netvsc_dev *net_dev; Modified: head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c Wed Jul 20 05:26:04 2016 (r303068) +++ head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c Wed Jul 20 05:34:28 2016 (r303069) @@ -274,7 +274,7 @@ static int create_storvsc_request(union static void storvsc_free_request(struct storvsc_softc *sc, struct hv_storvsc_request *reqp); static enum hv_storage_type storvsc_get_storage_type(device_t dev); static void hv_storvsc_rescan_target(struct storvsc_softc *sc); -static void hv_storvsc_on_channel_callback(void *xchan); +static void hv_storvsc_on_channel_callback(struct hv_vmbus_channel *chan, void *xsc); static void hv_storvsc_on_iocompletion( struct storvsc_softc *sc, struct vstor_packet *vstor_packet, struct hv_storvsc_request *request); @@ -316,15 +316,13 @@ storvsc_subchan_attach(struct storvsc_so memset(&props, 0, sizeof(props)); - new_channel->ch_dev_priv1 = sc; vmbus_chan_cpu_rr(new_channel); ret = vmbus_chan_open(new_channel, sc->hs_drv_props->drv_ringbuffer_size, sc->hs_drv_props->drv_ringbuffer_size, (void *)&props, sizeof(struct vmstor_chan_props), - hv_storvsc_on_channel_callback, - new_channel); + hv_storvsc_on_channel_callback, sc); } /** @@ -575,7 +573,6 @@ hv_storvsc_connect_vsp(struct storvsc_so /* * Open the channel */ - KASSERT(sc->hs_chan->ch_dev_priv1 == sc, ("invalid chan priv1")); vmbus_chan_cpu_rr(sc->hs_chan); ret = vmbus_chan_open( sc->hs_chan, @@ -583,8 +580,7 @@ hv_storvsc_connect_vsp(struct storvsc_so sc->hs_drv_props->drv_ringbuffer_size, (void *)&props, sizeof(struct vmstor_chan_props), - hv_storvsc_on_channel_callback, - sc->hs_chan); + hv_storvsc_on_channel_callback, sc); if (ret != 0) { return ret; @@ -769,11 +765,10 @@ hv_storvsc_rescan_target(struct storvsc_ } static void -hv_storvsc_on_channel_callback(void *xchan) +hv_storvsc_on_channel_callback(struct hv_vmbus_channel *channel, void *xsc) { int ret = 0; - hv_vmbus_channel *channel = xchan; - struct storvsc_softc *sc = channel->ch_dev_priv1; + struct storvsc_softc *sc = xsc; uint32_t bytes_recvd; uint64_t request_id; uint8_t packet[roundup2(sizeof(struct vstor_packet), 8)]; @@ -915,7 +910,6 @@ storvsc_attach(device_t dev) sc = device_get_softc(dev); sc->hs_chan = vmbus_get_channel(dev); - sc->hs_chan->ch_dev_priv1 = sc; stor_type = storvsc_get_storage_type(dev); @@ -1265,7 +1259,7 @@ storvsc_poll(struct cam_sim *sim) mtx_assert(&sc->hs_lock, MA_OWNED); mtx_unlock(&sc->hs_lock); - hv_storvsc_on_channel_callback(sc->hs_chan); + hv_storvsc_on_channel_callback(sc->hs_chan, sc); mtx_lock(&sc->hs_lock); } Modified: head/sys/dev/hyperv/utilities/hv_heartbeat.c ============================================================================== --- head/sys/dev/hyperv/utilities/hv_heartbeat.c Wed Jul 20 05:26:04 2016 (r303068) +++ head/sys/dev/hyperv/utilities/hv_heartbeat.c Wed Jul 20 05:34:28 2016 (r303069) @@ -49,10 +49,9 @@ static const struct hyperv_guid service_ * Process heartbeat message */ static void -hv_heartbeat_cb(void *context) +hv_heartbeat_cb(struct hv_vmbus_channel *channel, void *context) { uint8_t* buf; - hv_vmbus_channel* channel; int recvlen; uint64_t requestid; int ret; @@ -63,7 +62,6 @@ hv_heartbeat_cb(void *context) softc = (hv_util_sc*)context; buf = softc->receive_buffer; - channel = softc->channel; recvlen = PAGE_SIZE; ret = vmbus_chan_recv(channel, buf, &recvlen, &requestid); Modified: head/sys/dev/hyperv/utilities/hv_kvp.c ============================================================================== --- head/sys/dev/hyperv/utilities/hv_kvp.c Wed Jul 20 05:26:04 2016 (r303068) +++ head/sys/dev/hyperv/utilities/hv_kvp.c Wed Jul 20 05:34:28 2016 (r303069) @@ -121,6 +121,7 @@ static struct cdevsw hv_kvp_cdevsw = */ typedef struct hv_kvp_sc { struct hv_util_sc util_sc; + device_t dev; /* Unless specified the pending mutex should be * used to alter the values of the following parameters: @@ -576,7 +577,7 @@ hv_kvp_respond_host(hv_kvp_sc *sc, int e hv_icmsg_hdrp->status = error; hv_icmsg_hdrp->icflags = HV_ICMSGHDRFLAG_TRANSACTION | HV_ICMSGHDRFLAG_RESPONSE; - error = vmbus_chan_send(sc->util_sc.channel, + error = vmbus_chan_send(vmbus_get_channel(sc->dev), VMBUS_CHANPKT_TYPE_INBAND, 0, sc->rcv_buf, sc->host_msg_len, sc->host_msg_id); if (error) @@ -625,7 +626,7 @@ hv_kvp_process_request(void *context, in sc = (hv_kvp_sc*)context; kvp_buf = sc->util_sc.receive_buffer; - channel = sc->util_sc.channel; + channel = vmbus_get_channel(sc->dev); recvlen = 2 * PAGE_SIZE; ret = vmbus_chan_recv(channel, kvp_buf, &recvlen, &requestid); @@ -709,7 +710,7 @@ hv_kvp_process_request(void *context, in * Callback routine that gets called whenever there is a message from host */ static void -hv_kvp_callback(void *context) +hv_kvp_callback(struct hv_vmbus_channel *chan __unused, void *context) { hv_kvp_sc *sc = (hv_kvp_sc*)context; /* @@ -813,7 +814,7 @@ hv_kvp_dev_daemon_write(struct cdev *dev if (sc->register_done == false) { if (sc->daemon_kvp_msg.kvp_hdr.operation == HV_KVP_OP_REGISTER) { sc->register_done = true; - hv_kvp_callback(dev->si_drv1); + hv_kvp_callback(vmbus_get_channel(sc->dev), dev->si_drv1); } else { hv_kvp_log_info("%s, KVP Registration Failed\n", __func__); @@ -891,6 +892,7 @@ hv_kvp_attach(device_t dev) hv_kvp_sc *sc = (hv_kvp_sc*)device_get_softc(dev); sc->util_sc.callback = hv_kvp_callback; + sc->dev = dev; sema_init(&sc->dev_sema, 0, "hv_kvp device semaphore"); mtx_init(&sc->pending_mutex, "hv-kvp pending mutex", NULL, MTX_DEF); Modified: head/sys/dev/hyperv/utilities/hv_shutdown.c ============================================================================== --- head/sys/dev/hyperv/utilities/hv_shutdown.c Wed Jul 20 05:26:04 2016 (r303068) +++ head/sys/dev/hyperv/utilities/hv_shutdown.c Wed Jul 20 05:34:28 2016 (r303069) @@ -53,10 +53,9 @@ static const struct hyperv_guid service_ * Shutdown */ static void -hv_shutdown_cb(void *context) +hv_shutdown_cb(struct hv_vmbus_channel *channel, void *context) { uint8_t* buf; - hv_vmbus_channel* channel; uint8_t execute_shutdown = 0; hv_vmbus_icmsg_hdr* icmsghdrp; uint32_t recv_len; @@ -67,7 +66,6 @@ hv_shutdown_cb(void *context) softc = (hv_util_sc*)context; buf = softc->receive_buffer; - channel = softc->channel; recv_len = PAGE_SIZE; ret = vmbus_chan_recv(channel, buf, &recv_len, &request_id); Modified: head/sys/dev/hyperv/utilities/hv_timesync.c ============================================================================== --- head/sys/dev/hyperv/utilities/hv_timesync.c Wed Jul 20 05:26:04 2016 (r303068) +++ head/sys/dev/hyperv/utilities/hv_timesync.c Wed Jul 20 05:34:28 2016 (r303069) @@ -130,9 +130,8 @@ void hv_adj_guesttime(hv_timesync_sc *sc * Time Sync Channel message handler */ static void -hv_timesync_cb(void *context) +hv_timesync_cb(struct hv_vmbus_channel *channel, void *context) { - hv_vmbus_channel* channel; hv_vmbus_icmsg_hdr* icmsghdrp; uint32_t recvlen; uint64_t requestId; @@ -142,7 +141,6 @@ hv_timesync_cb(void *context) hv_timesync_sc *softc; softc = (hv_timesync_sc*)context; - channel = softc->util_sc.channel; time_buf = softc->util_sc.receive_buffer; recvlen = PAGE_SIZE; Modified: head/sys/dev/hyperv/utilities/hv_util.c ============================================================================== --- head/sys/dev/hyperv/utilities/hv_util.c Wed Jul 20 05:26:04 2016 (r303068) +++ head/sys/dev/hyperv/utilities/hv_util.c Wed Jul 20 05:34:28 2016 (r303069) @@ -77,12 +77,13 @@ int hv_util_attach(device_t dev) { struct hv_util_sc* softc; + struct hv_vmbus_channel *chan; int ret; softc = device_get_softc(dev); - softc->channel = vmbus_get_channel(dev); softc->receive_buffer = malloc(4 * PAGE_SIZE, M_DEVBUF, M_WAITOK | M_ZERO); + chan = vmbus_get_channel(dev); /* * These services are not performance critical and do not need @@ -91,11 +92,10 @@ hv_util_attach(device_t dev) * Turn off batched reading for all util drivers before we open the * channel. */ - vmbus_chan_set_readbatch(softc->channel, false); + vmbus_chan_set_readbatch(chan, false); - ret = vmbus_chan_open(softc->channel, 4 * PAGE_SIZE, - 4 * PAGE_SIZE, NULL, 0, - softc->callback, softc); + ret = vmbus_chan_open(chan, 4 * PAGE_SIZE, 4 * PAGE_SIZE, NULL, 0, + softc->callback, softc); if (ret) goto error0; @@ -112,7 +112,7 @@ hv_util_detach(device_t dev) { struct hv_util_sc *sc = device_get_softc(dev); - vmbus_chan_close(sc->channel); + vmbus_chan_close(vmbus_get_channel(dev)); free(sc->receive_buffer, M_DEVBUF); return (0); Modified: head/sys/dev/hyperv/utilities/hv_util.h ============================================================================== --- head/sys/dev/hyperv/utilities/hv_util.h Wed Jul 20 05:26:04 2016 (r303068) +++ head/sys/dev/hyperv/utilities/hv_util.h Wed Jul 20 05:34:28 2016 (r303069) @@ -39,9 +39,7 @@ typedef struct hv_util_sc { /* * function to process Hyper-V messages */ - void (*callback)(void *); - - struct hv_vmbus_channel *channel; + void (*callback)(struct hv_vmbus_channel *, void *); uint8_t *receive_buffer; } hv_util_sc; Modified: head/sys/dev/hyperv/vmbus/vmbus_chan.c ============================================================================== --- head/sys/dev/hyperv/vmbus/vmbus_chan.c Wed Jul 20 05:26:04 2016 (r303068) +++ head/sys/dev/hyperv/vmbus/vmbus_chan.c Wed Jul 20 05:34:28 2016 (r303069) @@ -801,7 +801,7 @@ vmbus_chan_task(void *xchan, int pending for (;;) { uint32_t left; - cb(cbarg); + cb(chan, cbarg); left = hv_ring_buffer_read_end(&chan->ch_rxbr); if (left == 0) { @@ -817,7 +817,7 @@ vmbus_chan_task_nobatch(void *xchan, int { struct hv_vmbus_channel *chan = xchan; - chan->ch_cb(chan->ch_cbarg); + chan->ch_cb(chan, chan->ch_cbarg); } static __inline void _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"