Author: sephe Date: Mon May 23 07:14:04 2016 New Revision: 300481 URL: https://svnweb.freebsd.org/changeset/base/300481
Log: hyperv/vmbus: Declare Synic message and event w/ proper types Avoid ugly casts. MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D6446 Modified: head/sys/dev/hyperv/vmbus/hv_connection.c head/sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c head/sys/dev/hyperv/vmbus/hv_vmbus_priv.h Modified: head/sys/dev/hyperv/vmbus/hv_connection.c ============================================================================== --- head/sys/dev/hyperv/vmbus/hv_connection.c Mon May 23 07:06:53 2016 (r300480) +++ head/sys/dev/hyperv/vmbus/hv_connection.c Mon May 23 07:14:04 2016 (r300481) @@ -333,8 +333,8 @@ vmbus_event_proc(struct vmbus_softc *sc, { hv_vmbus_synic_event_flags *event; - event = ((hv_vmbus_synic_event_flags *) - hv_vmbus_g_context.syn_ic_event_page[cpu]) + HV_VMBUS_MESSAGE_SINT; + event = hv_vmbus_g_context.syn_ic_event_page[cpu] + + HV_VMBUS_MESSAGE_SINT; /* * On Host with Win8 or above, the event page can be checked directly @@ -349,8 +349,8 @@ vmbus_event_proc_compat(struct vmbus_sof { hv_vmbus_synic_event_flags *event; - event = ((hv_vmbus_synic_event_flags *) - hv_vmbus_g_context.syn_ic_event_page[cpu]) + HV_VMBUS_MESSAGE_SINT; + event = hv_vmbus_g_context.syn_ic_event_page[cpu] + + HV_VMBUS_MESSAGE_SINT; if (atomic_testandclear_int(&event->flags32[0], 0)) { vmbus_event_flags_proc( Modified: head/sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c Mon May 23 07:06:53 2016 (r300480) +++ head/sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c Mon May 23 07:14:04 2016 (r300481) @@ -79,8 +79,9 @@ vmbus_msg_task(void *arg __unused, int p { hv_vmbus_message *msg; - msg = ((hv_vmbus_message *)hv_vmbus_g_context.syn_ic_msg_page[curcpu]) + + msg = hv_vmbus_g_context.syn_ic_msg_page[curcpu] + HV_VMBUS_MESSAGE_SINT; + for (;;) { const hv_vmbus_channel_msg_table_entry *entry; hv_vmbus_channel_msg_header *hdr; @@ -134,9 +135,8 @@ static inline int hv_vmbus_isr(struct trapframe *frame) { struct vmbus_softc *sc = vmbus_get_softc(); + hv_vmbus_message *msg, *msg_base; int cpu = curcpu; - hv_vmbus_message *msg; - void *page_addr; /* * The Windows team has advised that we check for events @@ -146,8 +146,8 @@ hv_vmbus_isr(struct trapframe *frame) sc->vmbus_event_proc(sc, cpu); /* Check if there are actual msgs to be process */ - page_addr = hv_vmbus_g_context.syn_ic_msg_page[cpu]; - msg = ((hv_vmbus_message *)page_addr) + HV_VMBUS_TIMER_SINT; + msg_base = hv_vmbus_g_context.syn_ic_msg_page[cpu]; + msg = msg_base + HV_VMBUS_TIMER_SINT; /* we call eventtimer process the message */ if (msg->header.message_type == HV_MESSAGE_TIMER_EXPIRED) { @@ -178,7 +178,7 @@ hv_vmbus_isr(struct trapframe *frame) } } - msg = ((hv_vmbus_message *)page_addr) + HV_VMBUS_MESSAGE_SINT; + msg = msg_base + HV_VMBUS_MESSAGE_SINT; if (msg->header.message_type != HV_MESSAGE_TYPE_NONE) { taskqueue_enqueue(hv_vmbus_g_context.hv_msg_tq[cpu], &hv_vmbus_g_context.hv_msg_task[cpu]); Modified: head/sys/dev/hyperv/vmbus/hv_vmbus_priv.h ============================================================================== --- head/sys/dev/hyperv/vmbus/hv_vmbus_priv.h Mon May 23 07:06:53 2016 (r300480) +++ head/sys/dev/hyperv/vmbus/hv_vmbus_priv.h Mon May 23 07:14:04 2016 (r300481) @@ -197,11 +197,14 @@ enum { #define HV_HYPERCALL_PARAM_ALIGN sizeof(uint64_t) +struct vmbus_message; +union vmbus_event_flags; + typedef struct { hv_bool_uint8_t syn_ic_initialized; - hv_vmbus_handle syn_ic_msg_page[MAXCPU]; - hv_vmbus_handle syn_ic_event_page[MAXCPU]; + struct vmbus_message *syn_ic_msg_page[MAXCPU]; + union vmbus_event_flags *syn_ic_event_page[MAXCPU]; /* * For FreeBSD cpuid to Hyper-V vcpuid mapping. */ @@ -303,7 +306,7 @@ typedef struct { /* * Define synthetic interrupt controller message format */ -typedef struct { +typedef struct vmbus_message { hv_vmbus_msg_header header; union { uint64_t payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT]; @@ -578,7 +581,7 @@ typedef struct { /* * Define the synthetic interrupt controller event flags format */ -typedef union { +typedef union vmbus_event_flags { uint8_t flags8[HV_EVENT_FLAGS_BYTE_COUNT]; uint32_t flags32[HV_EVENT_FLAGS_DWORD_COUNT]; unsigned long flagsul[HV_EVENT_FLAGS_ULONG_COUNT]; _______________________________________________ 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"
