diff options
Diffstat (limited to 'lib/internal.h')
| -rw-r--r-- | lib/internal.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/lib/internal.h b/lib/internal.h index 17c27e1..942e3cb 100644 --- a/lib/internal.h +++ b/lib/internal.h @@ -1,7 +1,7 @@ /* * The PCI Library -- Internal Stuff * - * Copyright (c) 1997--2018 Martin Mares <mj@ucw.cz> + * Copyright (c) 1997--2022 Martin Mares <mj@ucw.cz> * * Can be freely distributed and used under the terms of the GNU GPL. */ @@ -41,7 +41,7 @@ struct pci_methods { void (*init)(struct pci_access *); void (*cleanup)(struct pci_access *); void (*scan)(struct pci_access *); - unsigned int (*fill_info)(struct pci_dev *, unsigned int flags); + void (*fill_info)(struct pci_dev *, unsigned int flags); int (*read)(struct pci_dev *, int pos, byte *buf, int len); int (*write)(struct pci_dev *, int pos, byte *buf, int len); int (*read_vpd)(struct pci_dev *, int pos, byte *buf, int len); @@ -52,7 +52,7 @@ struct pci_methods { /* generic.c */ void pci_generic_scan_bus(struct pci_access *, byte *busmap, int bus); void pci_generic_scan(struct pci_access *); -unsigned int pci_generic_fill_info(struct pci_dev *, unsigned int flags); +void pci_generic_fill_info(struct pci_dev *, unsigned int flags); int pci_generic_block_read(struct pci_dev *, int pos, byte *buf, int len); int pci_generic_block_write(struct pci_dev *, int pos, byte *buf, int len); @@ -75,6 +75,18 @@ int pci_fill_info_v33(struct pci_dev *, int flags) VERSIONED_ABI; int pci_fill_info_v34(struct pci_dev *, int flags) VERSIONED_ABI; int pci_fill_info_v35(struct pci_dev *, int flags) VERSIONED_ABI; +static inline int want_fill(struct pci_dev *d, unsigned want_fields, unsigned int try_fields) +{ + want_fields &= try_fields; + if ((d->known_fields & want_fields) == want_fields) + return 0; + else + { + d->known_fields |= try_fields; + return 1; + } +} + struct pci_property { struct pci_property *next; u32 key; @@ -89,7 +101,7 @@ int pci_set_param_internal(struct pci_access *acc, char *param, char *val, int c void pci_free_params(struct pci_access *acc); /* caps.c */ -unsigned int pci_scan_caps(struct pci_dev *, unsigned int want_fields); +void pci_scan_caps(struct pci_dev *, unsigned int want_fields); void pci_free_caps(struct pci_dev *); extern struct pci_methods pm_intel_conf1, pm_intel_conf2, pm_linux_proc, |