mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 15:48:56 +07:00
c8806b6c9e
Cisco has developed a new PCI HBA interface called sNIC, which stands for SCSI NIC. This is a new storage feature supported on specialized network adapter. The new PCI function provides a uniform host interface and abstracts backend storage. [jejb: fix up checkpatch errors] Signed-off-by: Narsimhulu Musini <nmusini@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
111 lines
3.7 KiB
C
111 lines
3.7 KiB
C
/*
|
|
* 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);
|
|
}
|
|
|
|
static inline void writeq(u64 val, void __iomem *reg)
|
|
{
|
|
writel(lower_32_bits(val), reg);
|
|
writel(upper_32_bits(val), reg + 0x4UL);
|
|
}
|
|
#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_ */
|