diff --git a/drivers/staging/hv/channel.c b/drivers/staging/hv/channel.c index a8f5c3869fbb..ba9afdabedc1 100644 --- a/drivers/staging/hv/channel.c +++ b/drivers/staging/hv/channel.c @@ -77,10 +77,10 @@ static void vmbus_setevent(struct vmbus_channel *channel) if (channel->offermsg.monitor_allocated) { /* Each u32 represents 32 channels */ set_bit(channel->offermsg.child_relid & 31, - (unsigned long *) vmbus_connection.SendInterruptPage + + (unsigned long *) vmbus_connection.send_int_page + (channel->offermsg.child_relid >> 5)); - monitorpage = vmbus_connection.MonitorPages; + monitorpage = vmbus_connection.monitor_pages; monitorpage++; /* Get the child to parent monitor page */ set_bit(channel->monitor_bit, @@ -100,11 +100,11 @@ static void VmbusChannelClearEvent(struct vmbus_channel *channel) if (Channel->offermsg.monitor_allocated) { /* Each u32 represents 32 channels */ clear_bit(Channel->offermsg.child_relid & 31, - (unsigned long *)vmbus_connection.SendInterruptPage + + (unsigned long *)vmbus_connection.send_int_page + (Channel->offermsg.child_relid >> 5)); - monitorPage = - (struct hv_monitor_page *)vmbus_connection.MonitorPages; + monitorPage = (struct hv_monitor_page *) + vmbus_connection.monitor_pages; monitorPage++; /* Get the child to parent monitor page */ clear_bit(Channel->monitor_bit, @@ -133,7 +133,7 @@ void vmbus_get_debug_info(struct vmbus_channel *channel, &channel->offermsg.offer.if_instance, sizeof(struct hv_guid)); - monitorpage = (struct hv_monitor_page *)vmbus_connection.MonitorPages; + monitorpage = (struct hv_monitor_page *)vmbus_connection.monitor_pages; debuginfo->monitorid = channel->offermsg.monitorid; @@ -267,7 +267,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_add_tail(&openInfo->msglistentry, - &vmbus_connection.ChannelMsgList); + &vmbus_connection.chn_msg_list); spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags); DPRINT_DBG(VMBUS, "Sending channel open msg..."); @@ -501,8 +501,8 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, unsigned long flags; int ret = 0; - next_gpadl_handle = atomic_read(&vmbus_connection.NextGpadlHandle); - atomic_inc(&vmbus_connection.NextGpadlHandle); + next_gpadl_handle = atomic_read(&vmbus_connection.next_gpadl_handle); + atomic_inc(&vmbus_connection.next_gpadl_handle); ret = create_gpadl_header(kbuffer, size, &msginfo, &msgcount); if (ret) @@ -523,7 +523,7 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_add_tail(&msginfo->msglistentry, - &vmbus_connection.ChannelMsgList); + &vmbus_connection.chn_msg_list); spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags); DPRINT_DBG(VMBUS, "buffer %p, size %d msg cnt %d", @@ -618,7 +618,7 @@ int vmbus_teardown_gpadl(struct vmbus_channel *channel, u32 gpadl_handle) spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_add_tail(&info->msglistentry, - &vmbus_connection.ChannelMsgList); + &vmbus_connection.chn_msg_list); spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags); ret = vmbus_post_msg(msg, diff --git a/drivers/staging/hv/channel_mgmt.c b/drivers/staging/hv/channel_mgmt.c index 78c4f1096b7b..a9c9d49a99bb 100644 --- a/drivers/staging/hv/channel_mgmt.c +++ b/drivers/staging/hv/channel_mgmt.c @@ -308,7 +308,7 @@ void free_channel(struct vmbus_channel *channel) * ie we can't destroy ourselves. */ INIT_WORK(&channel->work, release_channel); - queue_work(vmbus_connection.WorkQueue, &channel->work); + queue_work(vmbus_connection.work_queue, &channel->work); } @@ -363,7 +363,7 @@ static void vmbus_process_offer(struct work_struct *work) /* Make sure this is a new offer */ spin_lock_irqsave(&vmbus_connection.channel_lock, flags); - list_for_each_entry(channel, &vmbus_connection.ChannelList, listentry) { + list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) { if (!memcmp(&channel->offermsg.offer.if_type, &newchannel->offermsg.offer.if_type, sizeof(struct hv_guid)) && @@ -377,7 +377,7 @@ static void vmbus_process_offer(struct work_struct *work) if (fnew) list_add_tail(&newchannel->listentry, - &vmbus_connection.ChannelList); + &vmbus_connection.chn_list); spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags); @@ -579,7 +579,7 @@ static void vmbus_onopen_result(struct vmbus_channel_message_header *hdr) */ spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); - list_for_each(curr, &vmbus_connection.ChannelMsgList) { + list_for_each(curr, &vmbus_connection.chn_msg_list) { /* FIXME: this should probably use list_entry() instead */ msginfo = (struct vmbus_channel_msginfo *)curr; requestheader = @@ -627,7 +627,7 @@ static void vmbus_ongpadl_created(struct vmbus_channel_message_header *hdr) */ spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); - list_for_each(curr, &vmbus_connection.ChannelMsgList) { + list_for_each(curr, &vmbus_connection.chn_msg_list) { /* FIXME: this should probably use list_entry() instead */ msginfo = (struct vmbus_channel_msginfo *)curr; requestheader = @@ -675,7 +675,7 @@ static void vmbus_ongpadl_torndown( */ spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); - list_for_each(curr, &vmbus_connection.ChannelMsgList) { + list_for_each(curr, &vmbus_connection.chn_msg_list) { /* FIXME: this should probably use list_entry() instead */ msginfo = (struct vmbus_channel_msginfo *)curr; requestheader = @@ -717,7 +717,7 @@ static void vmbus_onversion_response( version_response = (struct vmbus_channel_version_response *)hdr; spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); - list_for_each(curr, &vmbus_connection.ChannelMsgList) { + list_for_each(curr, &vmbus_connection.chn_msg_list) { /* FIXME: this should probably use list_entry() instead */ msginfo = (struct vmbus_channel_msginfo *)curr; requestheader = @@ -859,7 +859,7 @@ void vmbus_release_unattached_channels(void) spin_lock_irqsave(&vmbus_connection.channel_lock, flags); - list_for_each_entry_safe(channel, pos, &vmbus_connection.ChannelList, + list_for_each_entry_safe(channel, pos, &vmbus_connection.chn_list, listentry) { if (channel == start) break; diff --git a/drivers/staging/hv/connection.c b/drivers/staging/hv/connection.c index 002e86caf70c..b3ac66e5499f 100644 --- a/drivers/staging/hv/connection.c +++ b/drivers/staging/hv/connection.c @@ -29,9 +29,9 @@ #include "vmbus_private.h" -struct VMBUS_CONNECTION vmbus_connection = { - .ConnectState = Disconnected, - .NextGpadlHandle = ATOMIC_INIT(0xE1E10), +struct vmbus_connection vmbus_connection = { + .conn_state = DISCONNECTED, + .next_gpadl_handle = ATOMIC_INIT(0xE1E10), }; /* @@ -45,44 +45,44 @@ int vmbus_connect(void) unsigned long flags; /* Make sure we are not connecting or connected */ - if (vmbus_connection.ConnectState != Disconnected) + if (vmbus_connection.conn_state != DISCONNECTED) return -1; /* Initialize the vmbus connection */ - vmbus_connection.ConnectState = Connecting; - vmbus_connection.WorkQueue = create_workqueue("hv_vmbus_con"); - if (!vmbus_connection.WorkQueue) { + vmbus_connection.conn_state = CONNECTING; + vmbus_connection.work_queue = create_workqueue("hv_vmbus_con"); + if (!vmbus_connection.work_queue) { ret = -1; goto Cleanup; } - INIT_LIST_HEAD(&vmbus_connection.ChannelMsgList); + INIT_LIST_HEAD(&vmbus_connection.chn_msg_list); spin_lock_init(&vmbus_connection.channelmsg_lock); - INIT_LIST_HEAD(&vmbus_connection.ChannelList); + INIT_LIST_HEAD(&vmbus_connection.chn_list); spin_lock_init(&vmbus_connection.channel_lock); /* * Setup the vmbus event connection for channel interrupt * abstraction stuff */ - vmbus_connection.InterruptPage = osd_page_alloc(1); - if (vmbus_connection.InterruptPage == NULL) { + vmbus_connection.int_page = osd_page_alloc(1); + if (vmbus_connection.int_page == NULL) { ret = -1; goto Cleanup; } - vmbus_connection.RecvInterruptPage = vmbus_connection.InterruptPage; - vmbus_connection.SendInterruptPage = - (void *)((unsigned long)vmbus_connection.InterruptPage + + vmbus_connection.recv_int_page = vmbus_connection.int_page; + vmbus_connection.send_int_page = + (void *)((unsigned long)vmbus_connection.int_page + (PAGE_SIZE >> 1)); /* * Setup the monitor notification facility. The 1st page for * parent->child and the 2nd page for child->parent */ - vmbus_connection.MonitorPages = osd_page_alloc(2); - if (vmbus_connection.MonitorPages == NULL) { + vmbus_connection.monitor_pages = osd_page_alloc(2); + if (vmbus_connection.monitor_pages == NULL) { ret = -1; goto Cleanup; } @@ -105,10 +105,10 @@ int vmbus_connect(void) msg->header.msgtype = CHANNELMSG_INITIATE_CONTACT; msg->vmbus_version_requested = VMBUS_REVISION_NUMBER; - msg->interrupt_page = virt_to_phys(vmbus_connection.InterruptPage); - msg->monitor_page1 = virt_to_phys(vmbus_connection.MonitorPages); + msg->interrupt_page = virt_to_phys(vmbus_connection.int_page); + msg->monitor_page1 = virt_to_phys(vmbus_connection.monitor_pages); msg->monitor_page2 = virt_to_phys( - (void *)((unsigned long)vmbus_connection.MonitorPages + + (void *)((unsigned long)vmbus_connection.monitor_pages + PAGE_SIZE)); /* @@ -117,7 +117,7 @@ int vmbus_connect(void) */ spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_add_tail(&msginfo->msglistentry, - &vmbus_connection.ChannelMsgList); + &vmbus_connection.chn_msg_list); spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags); @@ -141,7 +141,7 @@ int vmbus_connect(void) /* Check if successful */ if (msginfo->response.version_response.version_supported) { DPRINT_INFO(VMBUS, "Vmbus connected!!"); - vmbus_connection.ConnectState = Connected; + vmbus_connection.conn_state = CONNECTED; } else { DPRINT_ERR(VMBUS, "Vmbus connection failed!!..." @@ -156,19 +156,19 @@ int vmbus_connect(void) return 0; Cleanup: - vmbus_connection.ConnectState = Disconnected; + vmbus_connection.conn_state = DISCONNECTED; - if (vmbus_connection.WorkQueue) - destroy_workqueue(vmbus_connection.WorkQueue); + if (vmbus_connection.work_queue) + destroy_workqueue(vmbus_connection.work_queue); - if (vmbus_connection.InterruptPage) { - osd_page_free(vmbus_connection.InterruptPage, 1); - vmbus_connection.InterruptPage = NULL; + if (vmbus_connection.int_page) { + osd_page_free(vmbus_connection.int_page, 1); + vmbus_connection.int_page = NULL; } - if (vmbus_connection.MonitorPages) { - osd_page_free(vmbus_connection.MonitorPages, 2); - vmbus_connection.MonitorPages = NULL; + if (vmbus_connection.monitor_pages) { + osd_page_free(vmbus_connection.monitor_pages, 2); + vmbus_connection.monitor_pages = NULL; } if (msginfo) { @@ -189,7 +189,7 @@ int vmbus_disconnect(void) struct vmbus_channel_message_header *msg; /* Make sure we are connected */ - if (vmbus_connection.ConnectState != Connected) + if (vmbus_connection.conn_state != CONNECTED) return -1; msg = kzalloc(sizeof(struct vmbus_channel_message_header), GFP_KERNEL); @@ -203,12 +203,12 @@ int vmbus_disconnect(void) if (ret != 0) goto Cleanup; - osd_page_free(vmbus_connection.InterruptPage, 1); + osd_page_free(vmbus_connection.int_page, 1); /* TODO: iterate thru the msg list and free up */ - destroy_workqueue(vmbus_connection.WorkQueue); + destroy_workqueue(vmbus_connection.work_queue); - vmbus_connection.ConnectState = Disconnected; + vmbus_connection.conn_state = DISCONNECTED; DPRINT_INFO(VMBUS, "Vmbus disconnected!!"); @@ -228,7 +228,7 @@ struct vmbus_channel *relid2channel(u32 relid) unsigned long flags; spin_lock_irqsave(&vmbus_connection.channel_lock, flags); - list_for_each_entry(channel, &vmbus_connection.ChannelList, listentry) { + list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) { if (channel->offermsg.child_relid == relid) { found_channel = channel; break; @@ -276,7 +276,7 @@ void vmbus_on_event(void) int maxdword = MAX_NUM_CHANNELS_SUPPORTED >> 5; int bit; int relid; - u32 *recv_int_page = vmbus_connection.RecvInterruptPage; + u32 *recv_int_page = vmbus_connection.recv_int_page; /* Check events */ if (recv_int_page) { @@ -326,7 +326,7 @@ int vmbus_set_event(u32 child_relid) { /* Each u32 represents 32 channels */ set_bit(child_relid & 31, - (unsigned long *)vmbus_connection.SendInterruptPage + + (unsigned long *)vmbus_connection.send_int_page + (child_relid >> 5)); return hv_signal_event(); diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index 4c56bea47ff2..dacaa54edeac 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@ -239,7 +239,7 @@ static void vmbus_on_msg_dpc(struct hv_driver *drv) continue; INIT_WORK(&ctx->work, vmbus_onmessage_work); memcpy(&ctx->msg, msg, sizeof(*msg)); - queue_work(vmbus_connection.WorkQueue, &ctx->work); + queue_work(vmbus_connection.work_queue, &ctx->work); } msg->header.message_type = HVMSG_NONE; diff --git a/drivers/staging/hv/vmbus_private.h b/drivers/staging/hv/vmbus_private.h index 0ab404ed3609..004d8de1c7df 100644 --- a/drivers/staging/hv/vmbus_private.h +++ b/drivers/staging/hv/vmbus_private.h @@ -45,19 +45,19 @@ #define MAX_NUM_CHANNELS_SUPPORTED 256 -enum VMBUS_CONNECT_STATE { - Disconnected, - Connecting, - Connected, - Disconnecting +enum vmbus_connect_state { + DISCONNECTED, + CONNECTING, + CONNECTED, + DISCONNECTING }; #define MAX_SIZE_CHANNEL_MESSAGE HV_MESSAGE_PAYLOAD_BYTE_COUNT -struct VMBUS_CONNECTION { - enum VMBUS_CONNECT_STATE ConnectState; +struct vmbus_connection { + enum vmbus_connect_state conn_state; - atomic_t NextGpadlHandle; + atomic_t next_gpadl_handle; /* * Represents channel interrupts. Each bit position represents a @@ -66,39 +66,39 @@ struct VMBUS_CONNECTION { * event. The other end receives the port event and parse the * recvInterruptPage to see which bit is set */ - void *InterruptPage; - void *SendInterruptPage; - void *RecvInterruptPage; + void *int_page; + void *send_int_page; + void *recv_int_page; /* * 2 pages - 1st page for parent->child notification and 2nd * is child->parent notification */ - void *MonitorPages; - struct list_head ChannelMsgList; + void *monitor_pages; + struct list_head chn_msg_list; spinlock_t channelmsg_lock; /* List of channels */ - struct list_head ChannelList; + struct list_head chn_list; spinlock_t channel_lock; - struct workqueue_struct *WorkQueue; + struct workqueue_struct *work_queue; }; -struct VMBUS_MSGINFO { +struct vmbus_msginfo { /* Bookkeeping stuff */ - struct list_head MsgListEntry; + struct list_head msglist_entry; /* Synchronize the request/response if needed */ - struct osd_waitevent *WaitEvent; + struct osd_waitevent *wait_event; /* The message itself */ - unsigned char Msg[0]; + unsigned char msg[0]; }; -extern struct VMBUS_CONNECTION vmbus_connection; +extern struct vmbus_connection vmbus_connection; /* General vmbus interface */