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Message-Id: <1304978288-22999-168-git-send-email-kys@microsoft.com> Date: Mon, 9 May 2011 14:57:30 -0700 From: "K. Y. Srinivasan" <kys@...rosoft.com> To: gregkh@...e.de, linux-kernel@...r.kernel.org, devel@...uxdriverproject.org, virtualization@...ts.osdl.org Cc: "K. Y. Srinivasan" <kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Abhishek Kane <v-abkane@...rosoft.com>, Hank Janssen <hjanssen@...rosoft.com> Subject: [PATCH 168/206] Staging: hv: Add the ringbuffer interfaces The subject line says it all. Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com> Signed-off-by: Abhishek Kane <v-abkane@...rosoft.com> Signed-off-by: Hank Janssen <hjanssen@...rosoft.com> --- drivers/staging/hv/hyperv_vmbus.h | 28 ++++++++++++++++++++++++++++ 1 files changed, 28 insertions(+), 0 deletions(-) diff --git a/drivers/staging/hv/hyperv_vmbus.h b/drivers/staging/hv/hyperv_vmbus.h index ea06691..bd943fe 100644 --- a/drivers/staging/hv/hyperv_vmbus.h +++ b/drivers/staging/hv/hyperv_vmbus.h @@ -505,4 +505,32 @@ extern void hv_synic_init(void *irqarg); extern void hv_synic_cleanup(void *arg); + +/* Interface */ + + +int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info, void *buffer, + u32 buflen); + +void hv_ringbuffer_cleanup(struct hv_ring_buffer_info *ring_info); + +int hv_ringbuffer_write(struct hv_ring_buffer_info *ring_info, + struct scatterlist *sglist, + u32 sgcount); + +int hv_ringbuffer_peek(struct hv_ring_buffer_info *ring_info, void *buffer, + u32 buflen); + +int hv_ringbuffer_read(struct hv_ring_buffer_info *ring_info, + void *buffer, + u32 buflen, + u32 offset); + +u32 hv_get_ringbuffer_interrupt_mask(struct hv_ring_buffer_info *ring_info); + +void hv_dump_ring_info(struct hv_ring_buffer_info *ring_info, char *prefix); + +void hv_ringbuffer_get_debuginfo(struct hv_ring_buffer_info *ring_info, + struct hv_ring_buffer_debug_info *debug_info); + #endif /* _HYPERV_VMBUS_H */ -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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