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Commit | Line | Data |
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7ff8a323 GH |
1 | /* |
2 | * The PCI Utilities -- Show Vendor-specific Capabilities | |
3 | * | |
4 | * Copyright (c) 2014 Gerd Hoffmann <kraxel@redhat.com> | |
5 | * | |
61829219 MM |
6 | * Can be freely distributed and used under the terms of the GNU GPL v2+. |
7 | * | |
8 | * SPDX-License-Identifier: GPL-2.0-or-later | |
7ff8a323 GH |
9 | */ |
10 | ||
11 | #include <stdio.h> | |
12 | #include <string.h> | |
13 | ||
14 | #include "lspci.h" | |
15 | ||
6ebebbaa | 16 | static int |
7ff8a323 GH |
17 | show_vendor_caps_virtio(struct device *d, int where, int cap) |
18 | { | |
19 | int length = BITS(cap, 0, 8); | |
20 | int type = BITS(cap, 8, 8); | |
21 | char *tname; | |
22 | ||
23 | if (length < 16) | |
6ebebbaa | 24 | return 0; |
7ff8a323 | 25 | if (!config_fetch(d, where, length)) |
6ebebbaa | 26 | return 0; |
7ff8a323 GH |
27 | |
28 | switch (type) | |
29 | { | |
30 | case 1: | |
31 | tname = "CommonCfg"; | |
32 | break; | |
33 | case 2: | |
34 | tname = "Notify"; | |
35 | break; | |
36 | case 3: | |
37 | tname = "ISR"; | |
38 | break; | |
39 | case 4: | |
40 | tname = "DeviceCfg"; | |
41 | break; | |
42 | default: | |
43 | tname = "<unknown>"; | |
44 | break; | |
45 | } | |
46 | ||
47 | printf("VirtIO: %s\n", tname); | |
48 | ||
49 | if (verbose < 2) | |
6ebebbaa | 50 | return 1; |
7ff8a323 | 51 | |
6ebebbaa | 52 | printf("\t\tBAR=%d offset=%08x size=%08x", |
7ff8a323 GH |
53 | get_conf_byte(d, where + 4), |
54 | get_conf_long(d, where + 8), | |
55 | get_conf_long(d, where + 12)); | |
56 | ||
6ebebbaa MM |
57 | if (type == 2 && length >= 20) |
58 | printf(" multiplier=%08x", get_conf_long(d, where+16)); | |
7ff8a323 | 59 | |
6ebebbaa MM |
60 | printf("\n"); |
61 | return 1; | |
7ff8a323 GH |
62 | } |
63 | ||
6ebebbaa MM |
64 | static int |
65 | do_show_vendor_caps(struct device *d, int where, int cap) | |
7ff8a323 | 66 | { |
adf7de0e | 67 | switch (d->dev->vendor_id) |
7ff8a323 GH |
68 | { |
69 | case 0x1af4: /* Red Hat */ | |
adf7de0e DE |
70 | if (d->dev->device_id >= 0x1000 && |
71 | d->dev->device_id <= 0x107f) | |
6ebebbaa | 72 | return show_vendor_caps_virtio(d, where, cap); |
7ff8a323 GH |
73 | break; |
74 | } | |
6ebebbaa MM |
75 | return 0; |
76 | } | |
77 | ||
78 | void | |
79 | show_vendor_caps(struct device *d, int where, int cap) | |
80 | { | |
81 | printf("Vendor Specific Information: "); | |
82 | if (!do_show_vendor_caps(d, where, cap)) | |
83 | printf("Len=%02x <?>\n", BITS(cap, 0, 8)); | |
7ff8a323 | 84 | } |