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e3cf00d0a8
This adds a driver that allows userspace to use UD-like QPs over a proprietary Cisco transport with Cisco's Virtual Interface Cards (VICs), including VIC 1240 and 1280 cards. Signed-off-by: Upinder Malhi <umalhi@cisco.com> Signed-off-by: Christian Benvenuti <benve@cisco.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
104 lines
3.5 KiB
C
104 lines
3.5 KiB
C
/*
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* Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef USNIC_VNIC_H_
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#define USNIC_VNIC_H_
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#include <linux/pci.h>
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#include "vnic_dev.h"
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/* =USNIC_VNIC_RES_TYPE= =VNIC_RES= =DESC= */
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#define USNIC_VNIC_RES_TYPES \
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DEFINE_USNIC_VNIC_RES_AT(EOL, RES_TYPE_EOL, "EOL", 0) \
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DEFINE_USNIC_VNIC_RES(WQ, RES_TYPE_WQ, "WQ") \
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DEFINE_USNIC_VNIC_RES(RQ, RES_TYPE_RQ, "RQ") \
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DEFINE_USNIC_VNIC_RES(CQ, RES_TYPE_CQ, "CQ") \
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DEFINE_USNIC_VNIC_RES(INTR, RES_TYPE_INTR_CTRL, "INT") \
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DEFINE_USNIC_VNIC_RES(MAX, RES_TYPE_MAX, "MAX")\
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#define DEFINE_USNIC_VNIC_RES_AT(usnic_vnic_res_t, vnic_res_type, desc, val) \
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USNIC_VNIC_RES_TYPE_##usnic_vnic_res_t = val,
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#define DEFINE_USNIC_VNIC_RES(usnic_vnic_res_t, vnic_res_type, desc) \
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USNIC_VNIC_RES_TYPE_##usnic_vnic_res_t,
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enum usnic_vnic_res_type {
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USNIC_VNIC_RES_TYPES
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};
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#undef DEFINE_USNIC_VNIC_RES
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#undef DEFINE_USNIC_VNIC_RES_AT
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struct usnic_vnic_res {
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enum usnic_vnic_res_type type;
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unsigned int vnic_idx;
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struct usnic_vnic *vnic;
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void __iomem *ctrl;
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void *owner;
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};
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struct usnic_vnic_res_chunk {
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enum usnic_vnic_res_type type;
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int cnt;
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int free_cnt;
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struct usnic_vnic_res **res;
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struct usnic_vnic *vnic;
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};
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struct usnic_vnic_res_desc {
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enum usnic_vnic_res_type type;
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uint16_t cnt;
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};
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struct usnic_vnic_res_spec {
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struct usnic_vnic_res_desc resources[USNIC_VNIC_RES_TYPE_MAX];
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};
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const char *usnic_vnic_res_type_to_str(enum usnic_vnic_res_type res_type);
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const char *usnic_vnic_pci_name(struct usnic_vnic *vnic);
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int usnic_vnic_dump(struct usnic_vnic *vnic, char *buf, int buf_sz,
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void *hdr_obj,
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int (*printtitle)(void *, char*, int),
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int (*printcols)(char *, int),
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int (*printrow)(void *, char *, int));
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void usnic_vnic_res_spec_update(struct usnic_vnic_res_spec *spec,
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enum usnic_vnic_res_type trgt_type,
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u16 cnt);
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int usnic_vnic_res_spec_satisfied(const struct usnic_vnic_res_spec *min_spec,
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struct usnic_vnic_res_spec *res_spec);
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int usnic_vnic_spec_dump(char *buf, int buf_sz,
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struct usnic_vnic_res_spec *res_spec);
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int usnic_vnic_check_room(struct usnic_vnic *vnic,
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struct usnic_vnic_res_spec *res_spec);
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int usnic_vnic_res_cnt(struct usnic_vnic *vnic,
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enum usnic_vnic_res_type type);
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int usnic_vnic_res_free_cnt(struct usnic_vnic *vnic,
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enum usnic_vnic_res_type type);
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struct usnic_vnic_res_chunk *
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usnic_vnic_get_resources(struct usnic_vnic *vnic,
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enum usnic_vnic_res_type type,
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int cnt,
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void *owner);
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void usnic_vnic_put_resources(struct usnic_vnic_res_chunk *chunk);
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struct pci_dev *usnic_vnic_get_pdev(struct usnic_vnic *vnic);
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struct vnic_dev_bar *usnic_vnic_get_bar(struct usnic_vnic *vnic,
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int bar_num);
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struct usnic_vnic *usnic_vnic_alloc(struct pci_dev *pdev);
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void usnic_vnic_free(struct usnic_vnic *vnic);
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u16 usnic_vnic_get_index(struct usnic_vnic *vnic);
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#endif /*!USNIC_VNIC_H_*/
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