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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
[karo-tx-linux.git] / drivers / infiniband / hw / usnic / usnic_vnic.h
1 /*
2  * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
3  *
4  * This program is free software; you may redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 2 of the License.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
9  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
10  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
11  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
12  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
13  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
14  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
15  * SOFTWARE.
16  *
17  */
18
19 #ifndef USNIC_VNIC_H_
20 #define USNIC_VNIC_H_
21
22 #include <linux/pci.h>
23
24 #include "vnic_dev.h"
25
26 /*                      =USNIC_VNIC_RES_TYPE= =VNIC_RES=   =DESC= */
27 #define USNIC_VNIC_RES_TYPES \
28         DEFINE_USNIC_VNIC_RES_AT(EOL, RES_TYPE_EOL, "EOL", 0) \
29         DEFINE_USNIC_VNIC_RES(WQ, RES_TYPE_WQ, "WQ") \
30         DEFINE_USNIC_VNIC_RES(RQ, RES_TYPE_RQ, "RQ") \
31         DEFINE_USNIC_VNIC_RES(CQ, RES_TYPE_CQ, "CQ") \
32         DEFINE_USNIC_VNIC_RES(INTR, RES_TYPE_INTR_CTRL, "INT") \
33         DEFINE_USNIC_VNIC_RES(MAX, RES_TYPE_MAX, "MAX")\
34
35 #define DEFINE_USNIC_VNIC_RES_AT(usnic_vnic_res_t, vnic_res_type, desc, val) \
36         USNIC_VNIC_RES_TYPE_##usnic_vnic_res_t = val,
37 #define DEFINE_USNIC_VNIC_RES(usnic_vnic_res_t, vnic_res_type, desc) \
38         USNIC_VNIC_RES_TYPE_##usnic_vnic_res_t,
39 enum usnic_vnic_res_type {
40         USNIC_VNIC_RES_TYPES
41 };
42 #undef DEFINE_USNIC_VNIC_RES
43 #undef DEFINE_USNIC_VNIC_RES_AT
44
45 struct usnic_vnic_res {
46         enum usnic_vnic_res_type        type;
47         unsigned int                    vnic_idx;
48         struct usnic_vnic               *vnic;
49         void __iomem                    *ctrl;
50         void                            *owner;
51 };
52
53 struct usnic_vnic_res_chunk {
54         enum usnic_vnic_res_type        type;
55         int                             cnt;
56         int                             free_cnt;
57         struct usnic_vnic_res           **res;
58         struct usnic_vnic               *vnic;
59 };
60
61 struct usnic_vnic_res_desc {
62         enum usnic_vnic_res_type        type;
63         uint16_t                        cnt;
64 };
65
66 struct usnic_vnic_res_spec {
67         struct usnic_vnic_res_desc resources[USNIC_VNIC_RES_TYPE_MAX];
68 };
69
70 const char *usnic_vnic_res_type_to_str(enum usnic_vnic_res_type res_type);
71 const char *usnic_vnic_pci_name(struct usnic_vnic *vnic);
72 int usnic_vnic_dump(struct usnic_vnic *vnic, char *buf, int buf_sz,
73                         void *hdr_obj,
74                         int (*printtitle)(void *, char*, int),
75                         int (*printcols)(char *, int),
76                         int (*printrow)(void *, char *, int));
77 void usnic_vnic_res_spec_update(struct usnic_vnic_res_spec *spec,
78                                 enum usnic_vnic_res_type trgt_type,
79                                 u16 cnt);
80 int usnic_vnic_res_spec_satisfied(const struct usnic_vnic_res_spec *min_spec,
81                                         struct usnic_vnic_res_spec *res_spec);
82 int usnic_vnic_spec_dump(char *buf, int buf_sz,
83                                 struct usnic_vnic_res_spec *res_spec);
84 int usnic_vnic_check_room(struct usnic_vnic *vnic,
85                                 struct usnic_vnic_res_spec *res_spec);
86 int usnic_vnic_res_cnt(struct usnic_vnic *vnic,
87                                 enum usnic_vnic_res_type type);
88 int usnic_vnic_res_free_cnt(struct usnic_vnic *vnic,
89                                 enum usnic_vnic_res_type type);
90 struct usnic_vnic_res_chunk *
91 usnic_vnic_get_resources(struct usnic_vnic *vnic,
92                                 enum usnic_vnic_res_type type,
93                                 int cnt,
94                                 void *owner);
95 void usnic_vnic_put_resources(struct usnic_vnic_res_chunk *chunk);
96 struct pci_dev *usnic_vnic_get_pdev(struct usnic_vnic *vnic);
97 struct vnic_dev_bar *usnic_vnic_get_bar(struct usnic_vnic *vnic,
98                                 int bar_num);
99 struct usnic_vnic *usnic_vnic_alloc(struct pci_dev *pdev);
100 void usnic_vnic_free(struct usnic_vnic *vnic);
101 u16 usnic_vnic_get_index(struct usnic_vnic *vnic);
102
103 #endif /*!USNIC_VNIC_H_*/