Release 4.11 drivers/scsi/snic/vnic_dev.h
/*
* Copyright 2014 Cisco Systems, Inc. All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _VNIC_DEV_H_
#define _VNIC_DEV_H_
#include "vnic_resource.h"
#include "vnic_devcmd.h"
#ifndef VNIC_PADDR_TARGET
#define VNIC_PADDR_TARGET 0x0000000000000000ULL
#endif
#ifndef readq
static inline u64 readq(void __iomem *reg)
{
return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);
}
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static inline void writeq(u64 val, void __iomem *reg)
{
writel(lower_32_bits(val), reg);
writel(upper_32_bits(val), reg + 0x4UL);
}
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#endif
enum vnic_dev_intr_mode {
VNIC_DEV_INTR_MODE_UNKNOWN,
VNIC_DEV_INTR_MODE_INTX,
VNIC_DEV_INTR_MODE_MSI,
VNIC_DEV_INTR_MODE_MSIX,
};
struct vnic_dev_bar {
void __iomem *vaddr;
dma_addr_t bus_addr;
unsigned long len;
};
struct vnic_dev_ring {
void *descs;
size_t size;
dma_addr_t base_addr;
size_t base_align;
void *descs_unaligned;
size_t size_unaligned;
dma_addr_t base_addr_unaligned;
unsigned int desc_size;
unsigned int desc_count;
unsigned int desc_avail;
};
struct vnic_dev;
struct vnic_stats;
void *svnic_dev_priv(struct vnic_dev *vdev);
unsigned int svnic_dev_get_res_count(struct vnic_dev *vdev,
enum vnic_res_type type);
void __iomem *svnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
unsigned int index);
unsigned int svnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
unsigned int desc_count,
unsigned int desc_size);
void svnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
int svnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
unsigned int desc_count, unsigned int desc_size);
void svnic_dev_free_desc_ring(struct vnic_dev *vdev,
struct vnic_dev_ring *ring);
int svnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
u64 *a0, u64 *a1, int wait);
int svnic_dev_fw_info(struct vnic_dev *vdev,
struct vnic_devcmd_fw_info **fw_info);
int svnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,
unsigned int size, void *value);
int svnic_dev_stats_clear(struct vnic_dev *vdev);
int svnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
int svnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
void svnic_dev_notify_unset(struct vnic_dev *vdev);
int svnic_dev_link_status(struct vnic_dev *vdev);
u32 svnic_dev_link_down_cnt(struct vnic_dev *vdev);
int svnic_dev_close(struct vnic_dev *vdev);
int svnic_dev_enable_wait(struct vnic_dev *vdev);
int svnic_dev_disable(struct vnic_dev *vdev);
int svnic_dev_open(struct vnic_dev *vdev, int arg);
int svnic_dev_open_done(struct vnic_dev *vdev, int *done);
int svnic_dev_init(struct vnic_dev *vdev, int arg);
struct vnic_dev *svnic_dev_alloc_discover(struct vnic_dev *vdev,
void *priv, struct pci_dev *pdev,
struct vnic_dev_bar *bar,
unsigned int num_bars);
void svnic_dev_set_intr_mode(struct vnic_dev *vdev,
enum vnic_dev_intr_mode intr_mode);
enum vnic_dev_intr_mode svnic_dev_get_intr_mode(struct vnic_dev *vdev);
void svnic_dev_unregister(struct vnic_dev *vdev);
int svnic_dev_cmd_init(struct vnic_dev *vdev, int fallback);
#endif /* _VNIC_DEV_H_ */
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| Person | Tokens | Prop | Commits | CommitProp |
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