da44259fbf
This patch removes the #ident strings at the beginning of the source files. Signed-off-by: Sujith Sankar <ssujith@cisco.com>
126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/*
|
|
* Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
|
|
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
|
|
*
|
|
* Copyright (c) 2014, Cisco Systems, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#ifndef _VNIC_INTR_H_
|
|
#define _VNIC_INTR_H_
|
|
|
|
|
|
#include "vnic_dev.h"
|
|
|
|
#define VNIC_INTR_TIMER_TYPE_ABS 0
|
|
#define VNIC_INTR_TIMER_TYPE_QUIET 1
|
|
|
|
/* Interrupt control */
|
|
struct vnic_intr_ctrl {
|
|
u32 coalescing_timer; /* 0x00 */
|
|
u32 pad0;
|
|
u32 coalescing_value; /* 0x08 */
|
|
u32 pad1;
|
|
u32 coalescing_type; /* 0x10 */
|
|
u32 pad2;
|
|
u32 mask_on_assertion; /* 0x18 */
|
|
u32 pad3;
|
|
u32 mask; /* 0x20 */
|
|
u32 pad4;
|
|
u32 int_credits; /* 0x28 */
|
|
u32 pad5;
|
|
u32 int_credit_return; /* 0x30 */
|
|
u32 pad6;
|
|
};
|
|
|
|
struct vnic_intr {
|
|
unsigned int index;
|
|
struct vnic_dev *vdev;
|
|
struct vnic_intr_ctrl __iomem *ctrl; /* memory-mapped */
|
|
};
|
|
|
|
static inline void vnic_intr_unmask(struct vnic_intr *intr)
|
|
{
|
|
iowrite32(0, &intr->ctrl->mask);
|
|
}
|
|
|
|
static inline void vnic_intr_mask(struct vnic_intr *intr)
|
|
{
|
|
iowrite32(1, &intr->ctrl->mask);
|
|
}
|
|
|
|
static inline int vnic_intr_masked(struct vnic_intr *intr)
|
|
{
|
|
return ioread32(&intr->ctrl->mask);
|
|
}
|
|
|
|
static inline void vnic_intr_return_credits(struct vnic_intr *intr,
|
|
unsigned int credits, int unmask, int reset_timer)
|
|
{
|
|
#define VNIC_INTR_UNMASK_SHIFT 16
|
|
#define VNIC_INTR_RESET_TIMER_SHIFT 17
|
|
|
|
u32 int_credit_return = (credits & 0xffff) |
|
|
(unmask ? (1 << VNIC_INTR_UNMASK_SHIFT) : 0) |
|
|
(reset_timer ? (1 << VNIC_INTR_RESET_TIMER_SHIFT) : 0);
|
|
|
|
iowrite32(int_credit_return, &intr->ctrl->int_credit_return);
|
|
}
|
|
|
|
static inline unsigned int vnic_intr_credits(struct vnic_intr *intr)
|
|
{
|
|
return ioread32(&intr->ctrl->int_credits);
|
|
}
|
|
|
|
static inline void vnic_intr_return_all_credits(struct vnic_intr *intr)
|
|
{
|
|
unsigned int credits = vnic_intr_credits(intr);
|
|
int unmask = 1;
|
|
int reset_timer = 1;
|
|
|
|
vnic_intr_return_credits(intr, credits, unmask, reset_timer);
|
|
}
|
|
|
|
static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba)
|
|
{
|
|
/* read PBA without clearing */
|
|
return ioread32(legacy_pba);
|
|
}
|
|
|
|
void vnic_intr_free(struct vnic_intr *intr);
|
|
int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
|
|
unsigned int index);
|
|
void vnic_intr_init(struct vnic_intr *intr, u32 coalescing_timer,
|
|
unsigned int coalescing_type, unsigned int mask_on_assertion);
|
|
void vnic_intr_coalescing_timer_set(struct vnic_intr *intr,
|
|
u32 coalescing_timer);
|
|
void vnic_intr_clean(struct vnic_intr *intr);
|
|
|
|
#endif /* _VNIC_INTR_H_ */
|