1 /*
2  * Unit tests for the generic vPCI handler code.
3  *
4  * Copyright (C) 2017 Citrix Systems R&D
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms and conditions of the GNU General Public
8  * License, version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public
16  * License along with this program; If not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #ifndef _TEST_VPCI_
20 #define _TEST_VPCI_
21 
22 #include <assert.h>
23 #include <errno.h>
24 #include <stdbool.h>
25 #include <stddef.h>
26 #include <stdint.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 
30 #define container_of(ptr, type, member) ({                      \
31         typeof(((type *)0)->member) *mptr = (ptr);              \
32                                                                 \
33         (type *)((char *)mptr - offsetof(type, member));        \
34 })
35 
36 #define smp_wmb()
37 #define prefetch(x) __builtin_prefetch(x)
38 #define ASSERT(x) assert(x)
39 #define __must_check __attribute__((__warn_unused_result__))
40 
41 #include "list.h"
42 
43 struct domain {
44 };
45 
46 struct pci_dev {
47     struct vpci *vpci;
48 };
49 
50 struct vcpu
51 {
52     const struct domain *domain;
53 };
54 
55 extern const struct vcpu *current;
56 extern const struct pci_dev test_pdev;
57 
58 typedef bool spinlock_t;
59 #define spin_lock_init(l) (*(l) = false)
60 #define spin_lock(l) (*(l) = true)
61 #define spin_unlock(l) (*(l) = false)
62 
63 typedef union {
64     uint32_t sbdf;
65     struct {
66         union {
67             uint16_t bdf;
68             struct {
69                 union {
70                     struct {
71                         uint8_t func : 3,
72                                 dev  : 5;
73                     };
74                     uint8_t     extfunc;
75                 };
76                 uint8_t         bus;
77             };
78         };
79         uint16_t                seg;
80     };
81 } pci_sbdf_t;
82 
83 #define CONFIG_HAS_VPCI
84 #include "vpci.h"
85 
86 #define __hwdom_init
87 
88 #define has_vpci(d) true
89 
90 #define xzalloc(type) ((type *)calloc(1, sizeof(type)))
91 #define xmalloc(type) ((type *)malloc(sizeof(type)))
92 #define xfree(p) free(p)
93 
94 #define pci_get_pdev_by_domain(...) &test_pdev
95 #define pci_get_ro_map(...) NULL
96 
97 #define test_bit(...) false
98 
99 /* Dummy native helpers. Writes are ignored, reads return 1's. */
100 #define pci_conf_read8(...)     0xff
101 #define pci_conf_read16(...)    0xffff
102 #define pci_conf_read32(...)    0xffffffff
103 #define pci_conf_write8(...)
104 #define pci_conf_write16(...)
105 #define pci_conf_write32(...)
106 
107 #define PCI_CFG_SPACE_EXP_SIZE 4096
108 
109 #define BUG() assert(0)
110 #define ASSERT_UNREACHABLE() assert(0)
111 
112 #define min(x, y) ({                    \
113         const typeof(x) tx = (x);       \
114         const typeof(y) ty = (y);       \
115                                         \
116         (void) (&tx == &ty);            \
117         tx < ty ? tx : ty;              \
118 })
119 
120 #define max(x, y) ({                    \
121         const typeof(x) tx = (x);       \
122         const typeof(y) ty = (y);       \
123                                         \
124         (void) (&tx == &ty);            \
125         tx > ty ? tx : ty;              \
126 })
127 
128 #endif
129 
130 /*
131  * Local variables:
132  * mode: C
133  * c-file-style: "BSD"
134  * c-basic-offset: 4
135  * indent-tabs-mode: nil
136  * End:
137  */
138