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hyperv/vmbus: Move SINT settings to vmbus_var.h

Browse source 
While I'm here remove the event timer's dependency on hv_vmbus_priv.h

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6574
This commit is contained in:
Sepherosa Ziehau 2016-05-30 08:42:35 +00:00
parent d7bc16443e
commit 430d28dbb3
5 changed files with 31 additions and 21 deletions
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4
sys/dev/hyperv/vmbus/hv_connection.c
View file

@ -337,7 +337,7 @@ vmbus_event_proc(struct vmbus_softc *sc, int cpu)
* On Host with Win8 or above, the event page can be checked directly
* to get the id of the channel that has the pending interrupt.
*/
event = VMBUS_PCPU_GET(sc, event_flag, cpu) + HV_VMBUS_MESSAGE_SINT;
event = VMBUS_PCPU_GET(sc, event_flag, cpu) + VMBUS_SINT_MESSAGE;
vmbus_event_flags_proc(event->flagsul,
VMBUS_PCPU_GET(sc, event_flag_cnt, cpu));
}
@ -347,7 +347,7 @@ vmbus_event_proc_compat(struct vmbus_softc *sc __unused, int cpu)
{
hv_vmbus_synic_event_flags *event;
event = VMBUS_PCPU_GET(sc, event_flag, cpu) + HV_VMBUS_MESSAGE_SINT;
event = VMBUS_PCPU_GET(sc, event_flag, cpu) + VMBUS_SINT_MESSAGE;
if (atomic_testandclear_int(&event->flags32[0], 0)) {
vmbus_event_flags_proc(
hv_vmbus_g_connection.recv_interrupt_page,

6
sys/dev/hyperv/vmbus/hv_et.c
View file

@ -37,16 +37,16 @@ __FBSDID("$FreeBSD$");
#include <sys/time.h>
#include <sys/timeet.h>
#include <dev/hyperv/vmbus/hv_vmbus_priv.h>
#include <dev/hyperv/vmbus/hyperv_reg.h>
#include <dev/hyperv/vmbus/hyperv_var.h>
#include <dev/hyperv/vmbus/vmbus_var.h>
#define HV_TIMER_FREQUENCY (10 * 1000 * 1000LL) /* 100ns period */
#define HV_MAX_DELTA_TICKS 0xffffffffLL
#define HV_MIN_DELTA_TICKS 1LL
#define MSR_HV_STIMER0_CFG_SINT \
((((uint64_t)HV_VMBUS_TIMER_SINT) << MSR_HV_STIMER_CFG_SINT_SHIFT) & \
((((uint64_t)VMBUS_SINT_TIMER) << MSR_HV_STIMER_CFG_SINT_SHIFT) & \
MSR_HV_STIMER_CFG_SINT_MASK)
/*
@ -83,7 +83,7 @@ hv_et_start(struct eventtimer *et, sbintime_t firsttime, sbintime_t periodtime)
}
void
hv_et_intr(struct trapframe *frame)
vmbus_et_intr(struct trapframe *frame)
{
struct trapframe *oldframe;
struct thread *td;

16
sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c
View file

@ -80,7 +80,7 @@ vmbus_msg_task(void *xsc, int pending __unused)
struct vmbus_softc *sc = xsc;
hv_vmbus_message *msg;
msg = VMBUS_PCPU_GET(sc, message, curcpu) + HV_VMBUS_MESSAGE_SINT;
msg = VMBUS_PCPU_GET(sc, message, curcpu) + VMBUS_SINT_MESSAGE;
for (;;) {
const hv_vmbus_channel_msg_table_entry *entry;
hv_vmbus_channel_msg_header *hdr;
@ -144,14 +144,14 @@ hv_vmbus_isr(struct vmbus_softc *sc, struct trapframe *frame, int cpu)
/* Check if there are actual msgs to be process */
msg_base = VMBUS_PCPU_GET(sc, message, cpu);
msg = msg_base + HV_VMBUS_TIMER_SINT;
/* we call eventtimer process the message */
msg = msg_base + VMBUS_SINT_TIMER;
if (msg->header.message_type == HV_MESSAGE_TIMER_EXPIRED) {
msg->header.message_type = HV_MESSAGE_TYPE_NONE;
/* call intrrupt handler of event timer */
hv_et_intr(frame);
vmbus_et_intr(frame);
/*
* Make sure the write to message_type (ie set to
@ -175,7 +175,7 @@ hv_vmbus_isr(struct vmbus_softc *sc, struct trapframe *frame, int cpu)
}
}
msg = msg_base + HV_VMBUS_MESSAGE_SINT;
msg = msg_base + VMBUS_SINT_MESSAGE;
if (msg->header.message_type != HV_MESSAGE_TYPE_NONE) {
taskqueue_enqueue(VMBUS_PCPU_GET(sc, message_tq, cpu),
VMBUS_PCPU_PTR(sc, message_task, cpu));
@ -254,7 +254,7 @@ vmbus_synic_setup(void *xsc)
/*
* Configure and unmask SINT for message and event flags.
*/
sint = MSR_HV_SINT0 + HV_VMBUS_MESSAGE_SINT;
sint = MSR_HV_SINT0 + VMBUS_SINT_MESSAGE;
orig = rdmsr(sint);
val = sc->vmbus_idtvec | MSR_HV_SINT_AUTOEOI |
(orig & MSR_HV_SINT_RSVD_MASK);
@ -263,7 +263,7 @@ vmbus_synic_setup(void *xsc)
/*
* Configure and unmask SINT for timer.
*/
sint = MSR_HV_SINT0 + HV_VMBUS_TIMER_SINT;
sint = MSR_HV_SINT0 + VMBUS_SINT_TIMER;
orig = rdmsr(sint);
val = sc->vmbus_idtvec | MSR_HV_SINT_AUTOEOI |
(orig & MSR_HV_SINT_RSVD_MASK);
@ -292,14 +292,14 @@ vmbus_synic_teardown(void *arg)
/*
* Mask message and event flags SINT.
*/
sint = MSR_HV_SINT0 + HV_VMBUS_MESSAGE_SINT;
sint = MSR_HV_SINT0 + VMBUS_SINT_MESSAGE;
orig = rdmsr(sint);
wrmsr(sint, orig | MSR_HV_SINT_MASKED);
/*
* Mask timer SINT.
*/
sint = MSR_HV_SINT0 + HV_VMBUS_TIMER_SINT;
sint = MSR_HV_SINT0 + VMBUS_SINT_TIMER;
orig = rdmsr(sint);
wrmsr(sint, orig | MSR_HV_SINT_MASKED);

8
sys/dev/hyperv/vmbus/hv_vmbus_priv.h
View file

@ -189,8 +189,6 @@ enum {
HV_VMBUS_EVENT_PORT_ID = 2,
HV_VMBUS_MONITOR_CONNECTION_ID = 3,
HV_VMBUS_MONITOR_PORT_ID = 3,
HV_VMBUS_MESSAGE_SINT = 2,
HV_VMBUS_TIMER_SINT = 4,
};
#define HV_PRESENT_BIT 0x80000000
@ -542,12 +540,6 @@ int hv_vmbus_disconnect(void);
int hv_vmbus_post_message(void *buffer, size_t buf_size);
int hv_vmbus_set_event(hv_vmbus_channel *channel);
/**
* Event Timer interfaces
*/
void hv_et_init(void);
void hv_et_intr(struct trapframe*);
/* Wait for device creation */
void vmbus_scan(void);

18
sys/dev/hyperv/vmbus/vmbus_var.h
View file

@ -31,8 +31,21 @@
#include <sys/param.h>
#include <sys/bus_dma.h>
#include <sys/taskqueue.h>
#include <dev/hyperv/include/hyperv_busdma.h>
/*
* NOTE: DO NOT CHANGE THIS.
*/
#define VMBUS_SINT_MESSAGE 2
/*
* NOTE:
* - DO NOT set it to the same value as VMBUS_SINT_MESSAGE.
* - DO NOT set it to 0.
*/
#define VMBUS_SINT_TIMER 4
struct vmbus_pcpu_data {
u_long *intr_cnt; /* Hyper-V interrupt counter */
struct vmbus_message *message; /* shared messages */
@ -78,8 +91,13 @@ vmbus_get_device(void)
#define VMBUS_PCPU_GET(sc, field, cpu) (sc)->vmbus_pcpu[(cpu)].field
#define VMBUS_PCPU_PTR(sc, field, cpu) &(sc)->vmbus_pcpu[(cpu)].field
struct hv_vmbus_channel;
struct trapframe;
void vmbus_on_channel_open(const struct hv_vmbus_channel *);
void vmbus_event_proc(struct vmbus_softc *, int);
void vmbus_event_proc_compat(struct vmbus_softc *, int);
void vmbus_et_intr(struct trapframe *);
#endif /* !_VMBUS_VAR_H_ */