linux/drivers/infiniband/hw/usnic/usnic_vnic.h

119 lines
4.1 KiB
C

/*
* Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - 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.
*
* 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 USNIC_VNIC_H_
#define USNIC_VNIC_H_
#include <linux/pci.h>
#include "vnic_dev.h"
/* =USNIC_VNIC_RES_TYPE= =VNIC_RES= =DESC= */
#define USNIC_VNIC_RES_TYPES \
DEFINE_USNIC_VNIC_RES_AT(EOL, RES_TYPE_EOL, "EOL", 0) \
DEFINE_USNIC_VNIC_RES(WQ, RES_TYPE_WQ, "WQ") \
DEFINE_USNIC_VNIC_RES(RQ, RES_TYPE_RQ, "RQ") \
DEFINE_USNIC_VNIC_RES(CQ, RES_TYPE_CQ, "CQ") \
DEFINE_USNIC_VNIC_RES(INTR, RES_TYPE_INTR_CTRL, "INT") \
DEFINE_USNIC_VNIC_RES(MAX, RES_TYPE_MAX, "MAX")\
#define DEFINE_USNIC_VNIC_RES_AT(usnic_vnic_res_t, vnic_res_type, desc, val) \
USNIC_VNIC_RES_TYPE_##usnic_vnic_res_t = val,
#define DEFINE_USNIC_VNIC_RES(usnic_vnic_res_t, vnic_res_type, desc) \
USNIC_VNIC_RES_TYPE_##usnic_vnic_res_t,
enum usnic_vnic_res_type {
USNIC_VNIC_RES_TYPES
};
#undef DEFINE_USNIC_VNIC_RES
#undef DEFINE_USNIC_VNIC_RES_AT
struct usnic_vnic_res {
enum usnic_vnic_res_type type;
unsigned int vnic_idx;
struct usnic_vnic *vnic;
void __iomem *ctrl;
void *owner;
};
struct usnic_vnic_res_chunk {
enum usnic_vnic_res_type type;
int cnt;
int free_cnt;
struct usnic_vnic_res **res;
struct usnic_vnic *vnic;
};
struct usnic_vnic_res_desc {
enum usnic_vnic_res_type type;
uint16_t cnt;
};
struct usnic_vnic_res_spec {
struct usnic_vnic_res_desc resources[USNIC_VNIC_RES_TYPE_MAX];
};
const char *usnic_vnic_res_type_to_str(enum usnic_vnic_res_type res_type);
const char *usnic_vnic_pci_name(struct usnic_vnic *vnic);
int usnic_vnic_dump(struct usnic_vnic *vnic, char *buf, int buf_sz,
void *hdr_obj,
int (*printtitle)(void *, char*, int),
int (*printcols)(char *, int),
int (*printrow)(void *, char *, int));
void usnic_vnic_res_spec_update(struct usnic_vnic_res_spec *spec,
enum usnic_vnic_res_type trgt_type,
u16 cnt);
int usnic_vnic_res_spec_satisfied(const struct usnic_vnic_res_spec *min_spec,
struct usnic_vnic_res_spec *res_spec);
int usnic_vnic_spec_dump(char *buf, int buf_sz,
struct usnic_vnic_res_spec *res_spec);
int usnic_vnic_check_room(struct usnic_vnic *vnic,
struct usnic_vnic_res_spec *res_spec);
int usnic_vnic_res_cnt(struct usnic_vnic *vnic,
enum usnic_vnic_res_type type);
int usnic_vnic_res_free_cnt(struct usnic_vnic *vnic,
enum usnic_vnic_res_type type);
struct usnic_vnic_res_chunk *
usnic_vnic_get_resources(struct usnic_vnic *vnic,
enum usnic_vnic_res_type type,
int cnt,
void *owner);
void usnic_vnic_put_resources(struct usnic_vnic_res_chunk *chunk);
struct pci_dev *usnic_vnic_get_pdev(struct usnic_vnic *vnic);
struct vnic_dev_bar *usnic_vnic_get_bar(struct usnic_vnic *vnic,
int bar_num);
struct usnic_vnic *usnic_vnic_alloc(struct pci_dev *pdev);
void usnic_vnic_free(struct usnic_vnic *vnic);
u16 usnic_vnic_get_index(struct usnic_vnic *vnic);
#endif /*!USNIC_VNIC_H_*/