| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame] | 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_*/ |