Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 2 | /* |
| 3 | * Purpose: Export the firmware instance and label associated with |
| 4 | * a pci device to sysfs |
| 5 | * Copyright (C) 2010 Dell Inc. |
| 6 | * by Narendra K <Narendra_K@dell.com>, |
| 7 | * Jordan Hargrave <Jordan_Hargrave@dell.com> |
| 8 | * |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 9 | * PCI Firmware Specification Revision 3.1 section 4.6.7 (DSM for Naming a |
| 10 | * PCI or PCI Express Device Under Operating Systems) defines an instance |
| 11 | * number and string name. This code retrieves them and exports them to sysfs. |
| 12 | * If the system firmware does not provide the ACPI _DSM (Device Specific |
| 13 | * Method), then the SMBIOS type 41 instance number and string is exported to |
| 14 | * sysfs. |
| 15 | * |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 16 | * SMBIOS defines type 41 for onboard pci devices. This code retrieves |
| 17 | * the instance number and string from the type 41 record and exports |
| 18 | * it to sysfs. |
| 19 | * |
Naga Venkata Sai Indubhaskar Jupudi | 6ca7227 | 2016-02-09 14:10:16 -0800 | [diff] [blame] | 20 | * Please see http://linux.dell.com/files/biosdevname/ for more |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 21 | * information. |
| 22 | */ |
| 23 | |
| 24 | #include <linux/dmi.h> |
| 25 | #include <linux/sysfs.h> |
| 26 | #include <linux/pci.h> |
| 27 | #include <linux/pci_ids.h> |
| 28 | #include <linux/module.h> |
| 29 | #include <linux/device.h> |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 30 | #include <linux/nls.h> |
| 31 | #include <linux/acpi.h> |
| 32 | #include <linux/pci-acpi.h> |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 33 | #include "pci.h" |
| 34 | |
Bjorn Helgaas | 4c85980 | 2014-01-13 17:01:11 -0700 | [diff] [blame] | 35 | #ifdef CONFIG_DMI |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 36 | enum smbios_attr_enum { |
| 37 | SMBIOS_ATTR_NONE = 0, |
| 38 | SMBIOS_ATTR_LABEL_SHOW, |
| 39 | SMBIOS_ATTR_INSTANCE_SHOW, |
| 40 | }; |
| 41 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 42 | static size_t find_smbios_instance_string(struct pci_dev *pdev, char *buf, |
| 43 | enum smbios_attr_enum attribute) |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 44 | { |
| 45 | const struct dmi_device *dmi; |
| 46 | struct dmi_dev_onboard *donboard; |
Sujith Pandel | 6c51c82 | 2017-05-02 06:55:40 -0400 | [diff] [blame] | 47 | int domain_nr; |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 48 | int bus; |
| 49 | int devfn; |
| 50 | |
Sujith Pandel | 6c51c82 | 2017-05-02 06:55:40 -0400 | [diff] [blame] | 51 | domain_nr = pci_domain_nr(pdev->bus); |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 52 | bus = pdev->bus->number; |
| 53 | devfn = pdev->devfn; |
| 54 | |
| 55 | dmi = NULL; |
| 56 | while ((dmi = dmi_find_device(DMI_DEV_TYPE_DEV_ONBOARD, |
| 57 | NULL, dmi)) != NULL) { |
| 58 | donboard = dmi->device_data; |
Sujith Pandel | 6c51c82 | 2017-05-02 06:55:40 -0400 | [diff] [blame] | 59 | if (donboard && donboard->segment == domain_nr && |
| 60 | donboard->bus == bus && |
| 61 | donboard->devfn == devfn) { |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 62 | if (buf) { |
| 63 | if (attribute == SMBIOS_ATTR_INSTANCE_SHOW) |
| 64 | return scnprintf(buf, PAGE_SIZE, |
| 65 | "%d\n", |
| 66 | donboard->instance); |
| 67 | else if (attribute == SMBIOS_ATTR_LABEL_SHOW) |
| 68 | return scnprintf(buf, PAGE_SIZE, |
| 69 | "%s\n", |
| 70 | dmi->name); |
| 71 | } |
| 72 | return strlen(dmi->name); |
| 73 | } |
| 74 | } |
| 75 | return 0; |
| 76 | } |
| 77 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 78 | static umode_t smbios_instance_string_exist(struct kobject *kobj, |
| 79 | struct attribute *attr, int n) |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 80 | { |
| 81 | struct device *dev; |
| 82 | struct pci_dev *pdev; |
| 83 | |
Geliang Tang | 554a603 | 2015-12-23 20:28:13 +0800 | [diff] [blame] | 84 | dev = kobj_to_dev(kobj); |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 85 | pdev = to_pci_dev(dev); |
| 86 | |
| 87 | return find_smbios_instance_string(pdev, NULL, SMBIOS_ATTR_NONE) ? |
| 88 | S_IRUGO : 0; |
| 89 | } |
| 90 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 91 | static ssize_t smbioslabel_show(struct device *dev, |
| 92 | struct device_attribute *attr, char *buf) |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 93 | { |
| 94 | struct pci_dev *pdev; |
| 95 | pdev = to_pci_dev(dev); |
| 96 | |
| 97 | return find_smbios_instance_string(pdev, buf, |
| 98 | SMBIOS_ATTR_LABEL_SHOW); |
| 99 | } |
| 100 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 101 | static ssize_t smbiosinstance_show(struct device *dev, |
| 102 | struct device_attribute *attr, char *buf) |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 103 | { |
| 104 | struct pci_dev *pdev; |
| 105 | pdev = to_pci_dev(dev); |
| 106 | |
| 107 | return find_smbios_instance_string(pdev, buf, |
| 108 | SMBIOS_ATTR_INSTANCE_SHOW); |
| 109 | } |
| 110 | |
| 111 | static struct device_attribute smbios_attr_label = { |
Stephen Rothwell | 763e9db | 2010-08-04 14:25:31 +1000 | [diff] [blame] | 112 | .attr = {.name = "label", .mode = 0444}, |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 113 | .show = smbioslabel_show, |
| 114 | }; |
| 115 | |
| 116 | static struct device_attribute smbios_attr_instance = { |
Stephen Rothwell | 763e9db | 2010-08-04 14:25:31 +1000 | [diff] [blame] | 117 | .attr = {.name = "index", .mode = 0444}, |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 118 | .show = smbiosinstance_show, |
| 119 | }; |
| 120 | |
| 121 | static struct attribute *smbios_attributes[] = { |
| 122 | &smbios_attr_label.attr, |
| 123 | &smbios_attr_instance.attr, |
| 124 | NULL, |
| 125 | }; |
| 126 | |
Arvind Yadav | f484128 | 2017-07-11 14:57:08 +0530 | [diff] [blame] | 127 | static const struct attribute_group smbios_attr_group = { |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 128 | .attrs = smbios_attributes, |
| 129 | .is_visible = smbios_instance_string_exist, |
| 130 | }; |
| 131 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 132 | static int pci_create_smbiosname_file(struct pci_dev *pdev) |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 133 | { |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 134 | return sysfs_create_group(&pdev->dev.kobj, &smbios_attr_group); |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 135 | } |
| 136 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 137 | static void pci_remove_smbiosname_file(struct pci_dev *pdev) |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 138 | { |
| 139 | sysfs_remove_group(&pdev->dev.kobj, &smbios_attr_group); |
| 140 | } |
Bjorn Helgaas | 4c85980 | 2014-01-13 17:01:11 -0700 | [diff] [blame] | 141 | #else |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 142 | static inline int pci_create_smbiosname_file(struct pci_dev *pdev) |
Bjorn Helgaas | 4c85980 | 2014-01-13 17:01:11 -0700 | [diff] [blame] | 143 | { |
| 144 | return -1; |
| 145 | } |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 146 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 147 | static inline void pci_remove_smbiosname_file(struct pci_dev *pdev) |
Bjorn Helgaas | 4c85980 | 2014-01-13 17:01:11 -0700 | [diff] [blame] | 148 | { |
| 149 | } |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 150 | #endif |
| 151 | |
Bjorn Helgaas | 4c85980 | 2014-01-13 17:01:11 -0700 | [diff] [blame] | 152 | #ifdef CONFIG_ACPI |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 153 | enum acpi_attr_enum { |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 154 | ACPI_ATTR_LABEL_SHOW, |
| 155 | ACPI_ATTR_INDEX_SHOW, |
| 156 | }; |
| 157 | |
| 158 | static void dsm_label_utf16s_to_utf8s(union acpi_object *obj, char *buf) |
| 159 | { |
| 160 | int len; |
Simone Gotti | dcfa9be | 2014-06-18 16:55:30 +0200 | [diff] [blame] | 161 | len = utf16s_to_utf8s((const wchar_t *)obj->buffer.pointer, |
| 162 | obj->buffer.length, |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 163 | UTF16_LITTLE_ENDIAN, |
Krzysztof Wilczyński | be6225e | 2021-06-03 00:01:12 +0000 | [diff] [blame] | 164 | buf, PAGE_SIZE - 1); |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 165 | buf[len] = '\n'; |
| 166 | } |
| 167 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 168 | static int dsm_get_label(struct device *dev, char *buf, |
| 169 | enum acpi_attr_enum attr) |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 170 | { |
Jiang Liu | 1d0fcef | 2013-12-19 20:38:13 +0800 | [diff] [blame] | 171 | acpi_handle handle; |
| 172 | union acpi_object *obj, *tmp; |
| 173 | int len = -1; |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 174 | |
Jiang Liu | 1d0fcef | 2013-12-19 20:38:13 +0800 | [diff] [blame] | 175 | handle = ACPI_HANDLE(dev); |
| 176 | if (!handle) |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 177 | return -1; |
| 178 | |
Andy Shevchenko | 94116f8 | 2017-06-05 19:40:46 +0300 | [diff] [blame] | 179 | obj = acpi_evaluate_dsm(handle, &pci_acpi_dsm_guid, 0x2, |
Jiang Liu | 1d0fcef | 2013-12-19 20:38:13 +0800 | [diff] [blame] | 180 | DEVICE_LABEL_DSM, NULL); |
| 181 | if (!obj) |
| 182 | return -1; |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 183 | |
Jiang Liu | 1d0fcef | 2013-12-19 20:38:13 +0800 | [diff] [blame] | 184 | tmp = obj->package.elements; |
| 185 | if (obj->type == ACPI_TYPE_PACKAGE && obj->package.count == 2 && |
| 186 | tmp[0].type == ACPI_TYPE_INTEGER && |
Simone Gotti | dcfa9be | 2014-06-18 16:55:30 +0200 | [diff] [blame] | 187 | (tmp[1].type == ACPI_TYPE_STRING || |
| 188 | tmp[1].type == ACPI_TYPE_BUFFER)) { |
Jiang Liu | 2fc59fe | 2013-12-19 20:38:14 +0800 | [diff] [blame] | 189 | /* |
| 190 | * The second string element is optional even when |
| 191 | * this _DSM is implemented; when not implemented, |
| 192 | * this entry must return a null string. |
| 193 | */ |
Simone Gotti | dcfa9be | 2014-06-18 16:55:30 +0200 | [diff] [blame] | 194 | if (attr == ACPI_ATTR_INDEX_SHOW) { |
Jiang Liu | 2fc59fe | 2013-12-19 20:38:14 +0800 | [diff] [blame] | 195 | scnprintf(buf, PAGE_SIZE, "%llu\n", tmp->integer.value); |
Simone Gotti | dcfa9be | 2014-06-18 16:55:30 +0200 | [diff] [blame] | 196 | } else if (attr == ACPI_ATTR_LABEL_SHOW) { |
| 197 | if (tmp[1].type == ACPI_TYPE_STRING) |
| 198 | scnprintf(buf, PAGE_SIZE, "%s\n", |
| 199 | tmp[1].string.pointer); |
| 200 | else if (tmp[1].type == ACPI_TYPE_BUFFER) |
| 201 | dsm_label_utf16s_to_utf8s(tmp + 1, buf); |
| 202 | } |
Jiang Liu | 2fc59fe | 2013-12-19 20:38:14 +0800 | [diff] [blame] | 203 | len = strlen(buf) > 0 ? strlen(buf) : -1; |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 204 | } |
Jiang Liu | 54e5bb4 | 2013-12-19 20:38:12 +0800 | [diff] [blame] | 205 | |
Jiang Liu | 1d0fcef | 2013-12-19 20:38:13 +0800 | [diff] [blame] | 206 | ACPI_FREE(obj); |
Jiang Liu | 54e5bb4 | 2013-12-19 20:38:12 +0800 | [diff] [blame] | 207 | |
Jiang Liu | 1d0fcef | 2013-12-19 20:38:13 +0800 | [diff] [blame] | 208 | return len; |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 209 | } |
| 210 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 211 | static bool device_has_dsm(struct device *dev) |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 212 | { |
| 213 | acpi_handle handle; |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 214 | |
Rafael J. Wysocki | 3a83f99 | 2013-11-14 23:17:21 +0100 | [diff] [blame] | 215 | handle = ACPI_HANDLE(dev); |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 216 | if (!handle) |
Jiang Liu | 2fc59fe | 2013-12-19 20:38:14 +0800 | [diff] [blame] | 217 | return false; |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 218 | |
Andy Shevchenko | 94116f8 | 2017-06-05 19:40:46 +0300 | [diff] [blame] | 219 | return !!acpi_check_dsm(handle, &pci_acpi_dsm_guid, 0x2, |
Jiang Liu | 2fc59fe | 2013-12-19 20:38:14 +0800 | [diff] [blame] | 220 | 1 << DEVICE_LABEL_DSM); |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 221 | } |
| 222 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 223 | static umode_t acpi_index_string_exist(struct kobject *kobj, |
| 224 | struct attribute *attr, int n) |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 225 | { |
| 226 | struct device *dev; |
| 227 | |
Geliang Tang | 554a603 | 2015-12-23 20:28:13 +0800 | [diff] [blame] | 228 | dev = kobj_to_dev(kobj); |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 229 | |
| 230 | if (device_has_dsm(dev)) |
| 231 | return S_IRUGO; |
| 232 | |
| 233 | return 0; |
| 234 | } |
| 235 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 236 | static ssize_t acpilabel_show(struct device *dev, |
| 237 | struct device_attribute *attr, char *buf) |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 238 | { |
Jiang Liu | 1d0fcef | 2013-12-19 20:38:13 +0800 | [diff] [blame] | 239 | return dsm_get_label(dev, buf, ACPI_ATTR_LABEL_SHOW); |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 240 | } |
| 241 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 242 | static ssize_t acpiindex_show(struct device *dev, |
| 243 | struct device_attribute *attr, char *buf) |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 244 | { |
Jiang Liu | 1d0fcef | 2013-12-19 20:38:13 +0800 | [diff] [blame] | 245 | return dsm_get_label(dev, buf, ACPI_ATTR_INDEX_SHOW); |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | static struct device_attribute acpi_attr_label = { |
| 249 | .attr = {.name = "label", .mode = 0444}, |
| 250 | .show = acpilabel_show, |
| 251 | }; |
| 252 | |
| 253 | static struct device_attribute acpi_attr_index = { |
| 254 | .attr = {.name = "acpi_index", .mode = 0444}, |
| 255 | .show = acpiindex_show, |
| 256 | }; |
| 257 | |
| 258 | static struct attribute *acpi_attributes[] = { |
| 259 | &acpi_attr_label.attr, |
| 260 | &acpi_attr_index.attr, |
| 261 | NULL, |
| 262 | }; |
| 263 | |
Arvind Yadav | f484128 | 2017-07-11 14:57:08 +0530 | [diff] [blame] | 264 | static const struct attribute_group acpi_attr_group = { |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 265 | .attrs = acpi_attributes, |
| 266 | .is_visible = acpi_index_string_exist, |
| 267 | }; |
| 268 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 269 | static int pci_create_acpi_index_label_files(struct pci_dev *pdev) |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 270 | { |
| 271 | return sysfs_create_group(&pdev->dev.kobj, &acpi_attr_group); |
| 272 | } |
| 273 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 274 | static int pci_remove_acpi_index_label_files(struct pci_dev *pdev) |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 275 | { |
| 276 | sysfs_remove_group(&pdev->dev.kobj, &acpi_attr_group); |
| 277 | return 0; |
| 278 | } |
Bjorn Helgaas | 4c85980 | 2014-01-13 17:01:11 -0700 | [diff] [blame] | 279 | #else |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 280 | static inline int pci_create_acpi_index_label_files(struct pci_dev *pdev) |
Bjorn Helgaas | 4c85980 | 2014-01-13 17:01:11 -0700 | [diff] [blame] | 281 | { |
| 282 | return -1; |
| 283 | } |
| 284 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 285 | static inline int pci_remove_acpi_index_label_files(struct pci_dev *pdev) |
Bjorn Helgaas | 4c85980 | 2014-01-13 17:01:11 -0700 | [diff] [blame] | 286 | { |
| 287 | return -1; |
| 288 | } |
| 289 | |
Ryan Desfosses | 3c78bc6 | 2014-04-18 20:13:49 -0400 | [diff] [blame] | 290 | static inline bool device_has_dsm(struct device *dev) |
Bjorn Helgaas | 4c85980 | 2014-01-13 17:01:11 -0700 | [diff] [blame] | 291 | { |
| 292 | return false; |
| 293 | } |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 294 | #endif |
| 295 | |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 296 | void pci_create_firmware_label_files(struct pci_dev *pdev) |
| 297 | { |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 298 | if (device_has_dsm(&pdev->dev)) |
| 299 | pci_create_acpi_index_label_files(pdev); |
| 300 | else |
| 301 | pci_create_smbiosname_file(pdev); |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | void pci_remove_firmware_label_files(struct pci_dev *pdev) |
| 305 | { |
Narendra_K@Dell.com | 6058989 | 2011-03-02 22:34:17 +0530 | [diff] [blame] | 306 | if (device_has_dsm(&pdev->dev)) |
| 307 | pci_remove_acpi_index_label_files(pdev); |
| 308 | else |
| 309 | pci_remove_smbiosname_file(pdev); |
Narendra K | 911e1c9 | 2010-07-26 05:56:50 -0500 | [diff] [blame] | 310 | } |