1 /* 2 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 * 32 */ 33 34 #ifndef USNIC_VNIC_H_ 35 #define USNIC_VNIC_H_ 36 37 #include <linux/pci.h> 38 39 #include "vnic_dev.h" 40 41 /* =USNIC_VNIC_RES_TYPE= =VNIC_RES= =DESC= */ 42 #define USNIC_VNIC_RES_TYPES \ 43 DEFINE_USNIC_VNIC_RES_AT(EOL, RES_TYPE_EOL, "EOL", 0) \ 44 DEFINE_USNIC_VNIC_RES(WQ, RES_TYPE_WQ, "WQ") \ 45 DEFINE_USNIC_VNIC_RES(RQ, RES_TYPE_RQ, "RQ") \ 46 DEFINE_USNIC_VNIC_RES(CQ, RES_TYPE_CQ, "CQ") \ 47 DEFINE_USNIC_VNIC_RES(INTR, RES_TYPE_INTR_CTRL, "INT") \ 48 DEFINE_USNIC_VNIC_RES(MAX, RES_TYPE_MAX, "MAX")\ 49 50 #define DEFINE_USNIC_VNIC_RES_AT(usnic_vnic_res_t, vnic_res_type, desc, val) \ 51 USNIC_VNIC_RES_TYPE_##usnic_vnic_res_t = val, 52 #define DEFINE_USNIC_VNIC_RES(usnic_vnic_res_t, vnic_res_type, desc) \ 53 USNIC_VNIC_RES_TYPE_##usnic_vnic_res_t, 54 enum usnic_vnic_res_type { 55 USNIC_VNIC_RES_TYPES 56 }; 57 #undef DEFINE_USNIC_VNIC_RES 58 #undef DEFINE_USNIC_VNIC_RES_AT 59 60 struct usnic_vnic_res { 61 enum usnic_vnic_res_type type; 62 unsigned int vnic_idx; 63 struct usnic_vnic *vnic; 64 void __iomem *ctrl; 65 void *owner; 66 }; 67 68 struct usnic_vnic_res_chunk { 69 enum usnic_vnic_res_type type; 70 int cnt; 71 int free_cnt; 72 struct usnic_vnic_res **res; 73 struct usnic_vnic *vnic; 74 }; 75 76 struct usnic_vnic_res_desc { 77 enum usnic_vnic_res_type type; 78 uint16_t cnt; 79 }; 80 81 struct usnic_vnic_res_spec { 82 struct usnic_vnic_res_desc resources[USNIC_VNIC_RES_TYPE_MAX]; 83 }; 84 85 const char *usnic_vnic_res_type_to_str(enum usnic_vnic_res_type res_type); 86 const char *usnic_vnic_pci_name(struct usnic_vnic *vnic); 87 int usnic_vnic_dump(struct usnic_vnic *vnic, char *buf, int buf_sz, 88 void *hdr_obj, 89 int (*printtitle)(void *, char*, int), 90 int (*printcols)(char *, int), 91 int (*printrow)(void *, char *, int)); 92 void usnic_vnic_res_spec_update(struct usnic_vnic_res_spec *spec, 93 enum usnic_vnic_res_type trgt_type, 94 u16 cnt); 95 int usnic_vnic_res_spec_satisfied(const struct usnic_vnic_res_spec *min_spec, 96 struct usnic_vnic_res_spec *res_spec); 97 int usnic_vnic_spec_dump(char *buf, int buf_sz, 98 struct usnic_vnic_res_spec *res_spec); 99 int usnic_vnic_check_room(struct usnic_vnic *vnic, 100 struct usnic_vnic_res_spec *res_spec); 101 int usnic_vnic_res_cnt(struct usnic_vnic *vnic, 102 enum usnic_vnic_res_type type); 103 int usnic_vnic_res_free_cnt(struct usnic_vnic *vnic, 104 enum usnic_vnic_res_type type); 105 struct usnic_vnic_res_chunk * 106 usnic_vnic_get_resources(struct usnic_vnic *vnic, 107 enum usnic_vnic_res_type type, 108 int cnt, 109 void *owner); 110 void usnic_vnic_put_resources(struct usnic_vnic_res_chunk *chunk); 111 struct pci_dev *usnic_vnic_get_pdev(struct usnic_vnic *vnic); 112 struct vnic_dev_bar *usnic_vnic_get_bar(struct usnic_vnic *vnic, 113 int bar_num); 114 struct usnic_vnic *usnic_vnic_alloc(struct pci_dev *pdev); 115 void usnic_vnic_free(struct usnic_vnic *vnic); 116 u16 usnic_vnic_get_index(struct usnic_vnic *vnic); 117 118 #endif /*!USNIC_VNIC_H_*/ 119