X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Fi386-ports.c;h=421bbfd0623fb40afd02c461575585c0fbda0088;hb=a54d4bd199cddd82647b912b1038c25ded5e3510;hp=23feaf355b84f64831e517377d5fceb270616953;hpb=73750606a04f8163f9c398c2169d8539e8dcb459;p=pciutils.git diff --git a/lib/i386-ports.c b/lib/i386-ports.c index 23feaf3..421bbfd 100644 --- a/lib/i386-ports.c +++ b/lib/i386-ports.c @@ -20,21 +20,38 @@ #include "i386-io-sunos.h" #elif defined(PCI_OS_WINDOWS) #include "i386-io-windows.h" +#elif defined(PCI_OS_CYGWIN) +#include "i386-io-cygwin.h" +#elif defined(PCI_OS_HAIKU) +#include "i386-io-haiku.h" +#elif defined(PCI_OS_BEOS) +#include "i386-io-beos.h" #else #error Do not know how to access I/O ports on this OS. #endif +static int conf12_io_enabled = -1; /* -1=haven't tried, 0=failed, 1=succeeded */ + +static int +conf12_setup_io(struct pci_access *a) +{ + if (conf12_io_enabled < 0) + conf12_io_enabled = intel_setup_io(a); + return conf12_io_enabled; +} + static void conf12_init(struct pci_access *a) { - if (!intel_setup_io()) - a->error("You need to be root to have access to I/O ports."); + if (!conf12_setup_io(a)) + a->error("No permission to access I/O ports (you probably have to be root)."); } static void conf12_cleanup(struct pci_access *a UNUSED) { - intel_cleanup_io(); + if (conf12_io_enabled > 0) + conf12_io_enabled = intel_cleanup_io(a); } /* @@ -56,7 +73,7 @@ intel_sanity_check(struct pci_access *a, struct pci_methods *m) a->debug("...sanity check"); d.bus = 0; d.func = 0; - for(d.dev = 0; d.dev < 32; d.dev++) + for (d.dev = 0; d.dev < 32; d.dev++) { u16 class, vendor; if (m->read(&d, PCI_CLASS_DEVICE, (byte *) &class, sizeof(class)) && @@ -84,7 +101,7 @@ conf1_detect(struct pci_access *a) unsigned int tmp; int res = 0; - if (!intel_setup_io()) + if (!conf12_setup_io(a)) { a->debug("...no I/O permission"); return 0; @@ -161,7 +178,7 @@ conf1_write(struct pci_dev *d, int pos, byte *buf, int len) static int conf2_detect(struct pci_access *a) { - if (!intel_setup_io()) + if (!conf12_setup_io(a)) { a->debug("...no I/O permission"); return 0; @@ -242,7 +259,8 @@ conf2_write(struct pci_dev *d, int pos, byte *buf, int len) } struct pci_methods pm_intel_conf1 = { - "Intel-conf1", + "intel-conf1", + "Raw I/O port access using Intel conf1 interface", NULL, /* config */ conf1_detect, conf12_init, @@ -251,12 +269,14 @@ struct pci_methods pm_intel_conf1 = { pci_generic_fill_info, conf1_read, conf1_write, + NULL, /* read_vpd */ NULL, /* init_dev */ NULL /* cleanup_dev */ }; struct pci_methods pm_intel_conf2 = { - "Intel-conf2", + "intel-conf2", + "Raw I/O port access using Intel conf2 interface", NULL, /* config */ conf2_detect, conf12_init, @@ -265,6 +285,7 @@ struct pci_methods pm_intel_conf2 = { pci_generic_fill_info, conf2_read, conf2_write, + NULL, /* read_vpd */ NULL, /* init_dev */ NULL /* cleanup_dev */ };