/*
* The PCI Library -- Initialization and related things
*
- * Copyright (c) 1997--2018 Martin Mares <mj@ucw.cz>
+ * Copyright (c) 1997--2024 Martin Mares <mj@ucw.cz>
*
- * Can be freely distributed and used under the terms of the GNU GPL.
+ * Can be freely distributed and used under the terms of the GNU GPL v2+.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <stdio.h>
NULL,
NULL,
#endif
+#if defined(PCI_HAVE_PM_ECAM)
+ &pm_ecam,
+#else
+ NULL,
+#endif
+#if defined(PCI_HAVE_PM_AOS_EXPANSION)
+ &pm_aos_expansion,
+#else
+ NULL,
+#endif
};
// If PCI_ACCESS_AUTO is selected, we probe the access methods in this order
PCI_ACCESS_WIN32_CFGMGR32,
PCI_ACCESS_WIN32_KLDBG,
PCI_ACCESS_WIN32_SYSDBG,
+ PCI_ACCESS_AOS_EXPANSION,
// Low-level methods poking the hardware directly
+ PCI_ACCESS_ECAM,
PCI_ACCESS_I386_TYPE1,
PCI_ACCESS_I386_TYPE2,
PCI_ACCESS_MMIO_TYPE1_EXT,
}
}
+#elif defined PCI_OS_AMIGAOS
+
+static void
+pci_init_name_list_path(struct pci_access *a)
+{
+ int len = strlen(PCI_PATH_IDS_DIR);
+
+ if (!len)
+ pci_set_name_list_path(a, PCI_IDS, 0);
+ else
+ {
+ char last_char = PCI_PATH_IDS_DIR[len - 1];
+ if (last_char == ':' || last_char == '/') // root or parent char
+ pci_set_name_list_path(a, PCI_PATH_IDS_DIR PCI_IDS, 0);
+ else
+ pci_set_name_list_path(a, PCI_PATH_IDS_DIR "/" PCI_IDS, 0);
+ }
+}
+
#else
static void
#endif
+#ifdef PCI_USE_DNS
+
+static void
+pci_init_dns(struct pci_access *a)
+{
+ pci_define_param(a, "net.domain", PCI_ID_DOMAIN, "DNS domain used for resolving of ID's");
+ a->id_lookup_mode = PCI_LOOKUP_CACHE;
+
+ char *cache_dir = getenv("XDG_CACHE_HOME");
+ if (!cache_dir)
+ cache_dir = "~/.cache";
+
+ int name_len = strlen(cache_dir) + 32;
+ char *cache_name = pci_malloc(NULL, name_len);
+ snprintf(cache_name, name_len, "%s/pci-ids", cache_dir);
+ struct pci_param *param = pci_define_param(a, "net.cache_name", cache_name, "Name of the ID cache file");
+ param->value_malloced = 1;
+}
+
+#endif
+
struct pci_access *
pci_alloc(void)
{
memset(a, 0, sizeof(*a));
pci_init_name_list_path(a);
#ifdef PCI_USE_DNS
- pci_define_param(a, "net.domain", PCI_ID_DOMAIN, "DNS domain used for resolving of ID's");
- pci_define_param(a, "net.cache_name", "~/.pciids-cache", "Name of the ID cache file");
- a->id_lookup_mode = PCI_LOOKUP_CACHE;
+ pci_init_dns(a);
#endif
#ifdef PCI_HAVE_HWDB
pci_define_param(a, "hwdb.disable", "0", "Do not look up names in UDEV's HWDB if non-zero");
return a;
}
-void
-pci_init_internal(struct pci_access *a, int throw_errors, int skip_method)
+int
+pci_init_internal(struct pci_access *a, int skip_method)
{
if (!a->error)
a->error = pci_generic_error;
if (!a->debugging)
a->debug = pci_null_debug;
- if (a->method)
+ if (a->method != PCI_ACCESS_AUTO)
{
if (a->method >= PCI_ACCESS_MAX || !pci_methods[a->method])
- {
- if (throw_errors)
- a->error("This access method is not supported.");
- return;
- }
+ a->error("This access method is not supported.");
a->methods = pci_methods[a->method];
}
else
a->debug("...No.\n");
}
if (!a->methods)
- {
- if (throw_errors)
- a->error("Cannot find any working access method.");
- return;
- }
+ return 0;
}
a->debug("Decided to use %s\n", a->methods->name);
a->methods->init(a);
+ return 1;
}
void
pci_init_v35(struct pci_access *a)
{
- pci_init_internal(a, 1, -1);
+ if (!pci_init_internal(a, -1))
+ a->error("Cannot find any working access method.");
}
STATIC_ALIAS(void pci_init(struct pci_access *a), pci_init_v35(a));
SYMBOL_VERSION(pci_init_v30, pci_init@LIBPCI_3.0);
SYMBOL_VERSION(pci_init_v35, pci_init@@LIBPCI_3.5);
+struct pci_access *
+pci_clone_access(struct pci_access *a)
+{
+ struct pci_access *b = pci_alloc();
+
+ b->writeable = a->writeable;
+ b->buscentric = a->buscentric;
+ b->debugging = a->debugging;
+ b->error = a->error;
+ b->warning = a->warning;
+ b->debug = a->debug;
+
+ return b;
+}
+
void
pci_cleanup(struct pci_access *a)
{