creation

6 files changed, 268 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..e2b5af3
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,41 @@
+version = 0.2.0
+
+project = ldetect
+prefix = /usr
+bindir = $(prefix)/bin
+libdir = $(prefix)/lib
+includedir = $(prefix)/include
+
+binaries = lspcidrake
+libraries = libldetect.a
+CFLAGS = -Wall -Wstrict-prototypes -g
+
+build: $(binaries) $(libraries)
+
+lspcidrake: lspcidrake.c libldetect.a
+
+libldetect.a: pci.o pciclass.o
+	ar rsc $@ $^
+
+pciclass.c: /usr/include/linux/pci.h generate_pciclass.pl
+	rm -f $@
+	perl generate_pciclass.pl < $< > $@
+	chmod a-w $@
+
+clean:
+	rm -f *~ *.o pciclass.c $(binaries) $(libraries)
+
+install: build
+	install -d $(bindir) $(libdir) $(includedir)
+	install $(binaries) $(bindir)
+	install $(libraries) $(libdir)
+	install libldetect.h $(includedir)
+
+rpm: clean $(RPM)
+	(echo "# !! DON'T MODIFY HERE, MODIFY IN THE CVS !!" ; \
+	 echo "%define version $(version)" ; \
+         cat $(project).spec \
+        ) > $(RPM)/SPECS/$(project).spec
+
+	(cd .. ; tar cfj $(RPM)/SOURCES/$(project).tar.bz2 $(project))
+	rpm -ba --clean --rmsource --rmspec $(RPM)/SPECS/$(project).spec
diff --git a/generate_pciclass.pl b/generate_pciclass.pl
new file mode 100644
index 0000000..c879615
--- /dev/null
+++ b/generate_pciclass.pl
@@ -0,0 +1,26 @@
+#!/usr/bin/perl
+
+print q(/* This auto-generated from <pci.h>, don't modify! */
+
+struct {
+  unsigned short id;
+  const char *name;
+} pciclasses[] = {
+);
+
+/^#define PCI_CLASS_(\w+)\s+(0x\w{4})/ and print qq(  { $2, "$1" },\n) while <>;
+
+print '
+};
+
+int nb_pciclasses = sizeof(pciclasses) / sizeof(*pciclasses);
+
+extern const char *pci_class2text(unsigned short class) {
+  int i;
+  for (i = 0; i < nb_pciclasses; i++)
+    if (pciclasses[i].id == class) return pciclasses[i].name;
+
+  return pci_class2text(0);
+}
+
+';
diff --git a/ldetect.spec b/ldetect.spec
new file mode 100644
index 0000000..e665a9c
--- /dev/null
+++ b/ldetect.spec
@@ -0,0 +1,50 @@
+%define name ldetect
+%define release 1mdk
+
+Name: %{name}
+Version: %{version}
+Release: %{release}
+Summary: Light hardware detection library
+Source: %{name}.tar.bz2
+Group: System/Libraries
+BuildArchitectures: noarch
+BuildRoot: %{_tmppath}/%{name}-buildroot
+Copyright: GPL
+Prefix: %{_prefix}
+
+%package devel
+Summary: development package for ldetect
+Group: Development/C
+
+%description
+The hardware device lists provided by this package are used as lookup 
+table to get hardware autodetection
+
+%description devel
+see %{name}
+
+%prep
+%setup -n %{name}
+
+%build
+%make
+
+%install
+rm -rf $RPM_BUILD_ROOT
+%makeinstall
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%files
+%defattr(-,root,root)
+%{_bindir}/*
+
+%files devel
+%defattr(-,root,root)
+%{_includedir}/*
+%{_libdir}/*
+
+%changelog
+* Fri Dec 15 2000 Pixel <pixel@mandrakesoft.com> 0.1.0-1mdk
+- first release
diff --git a/libldetect.h b/libldetect.h
new file mode 100644
index 0000000..a8d9053
--- /dev/null
+++ b/libldetect.h
@@ -0,0 +1,24 @@
+/******************************************************************************/
+/* pci ************************************************************************/
+/******************************************************************************/
+struct pci_entry {
+  unsigned short vendor; /* PCI vendor id */
+  unsigned short device;
+
+  unsigned short subvendor; /* 0xffff if not probe_type'd or no subid */
+  unsigned short subdevice; /* 0xffff if not probe_type'd or no subid */
+  unsigned short class; /* 0 if not probe_type'd */
+
+  char *module;
+  char *text;
+};
+struct pci_entries {
+  struct pci_entry *entries;
+  int nb;
+};
+
+
+extern struct pci_entries pci_probe(int probe_type); /* probe_type is boolean */
+extern void pci_free(struct pci_entries entries);
+
+extern const char *pci_class2text(unsigned short class);
diff --git a/lspcidrake.c b/lspcidrake.c
new file mode 100644
index 0000000..faec021
--- /dev/null
+++ b/lspcidrake.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "libldetect.h"
+
+void pci_printit(struct pci_entries entries) {
+  int i;
+  for (i = 0; i < entries.nb; i++) {
+    struct pci_entry e = entries.entries[i];
+    printf("%s:\t%s", e.module ? e.module : "unknown", e.text);
+    if (e.class) {
+      const char *class = pci_class2text(e.class);
+      if (strcmp(class, "NOT_DEFINED") != 0) printf(" [%s]", class);
+    }
+    printf("\n");
+  }
+}
+
+int main(int argc, char **argv) {
+  struct pci_entries entries = pci_probe(1);
+  pci_printit(entries);
+  pci_free(entries);
+  exit(0);
+}
diff --git a/pci.c b/pci.c
new file mode 100644
index 0000000..6b44e67
--- /dev/null
+++ b/pci.c
@@ -0,0 +1,103 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "libldetect.h"
+
+#define psizeof(a) (sizeof(a) / sizeof(*(a)))
+
+void *memdup(void *src, size_t size) {
+  void *r = malloc(size);
+  memcpy(r, src, size);
+  return r;
+}
+void ifree(void *p) {
+  if (p) { free(p); p = NULL; }
+}
+
+static void pci_find_modules(struct pci_entries entries) {
+  FILE *f;
+  const char *fpcitable = "/usr/share/ldetect-lst/pcitable";
+  char buf[2048];
+  int line;
+
+  if (!(f = fopen(fpcitable, "r"))) {
+    fprintf(stderr, "Missing pcitable (should be %s)\n", fpcitable);
+    exit(1);
+  }  
+  for (line = 1; fgets(buf, sizeof(buf) - 1, f); line++) {
+    unsigned short vendor, device, subvendor, subdevice;
+    int offset, i;
+    int nb = sscanf(buf, "0x%hx\t0x%hx\t0x%hx\t0x%hx\t%n", &vendor, &device, &subvendor, &subdevice, &offset);
+    if (nb != 4) {
+      nb = sscanf(buf, "0x%hx\t0x%hx\t%n", &vendor, &device, &offset);
+      if (nb != 2 && buf[0] != '#') {
+	fprintf(stderr, "%s %d: bad line\n", fpcitable, line);
+	continue;
+      }
+    }
+    for (i = 0; i < entries.nb; i++) {
+      struct pci_entry *e = &entries.entries[i];
+      if (vendor == e->vendor && device == e->device && 
+	  (nb != 4 || (subvendor == e->subvendor && subdevice == e->subdevice)) && !e->module) {
+	  char *p = buf + offset + 1;
+	  char *q = strchr(p, '\t');
+	  if (q) {
+	    q[-1] = 0;
+	    q[strlen(q)-1] = 0;
+	    e->module = strcmp(p, "unknown") ? strdup(p) : NULL;
+	    e->text = strdup(q+2);
+	  }
+      }
+    }      
+  }
+}
+
+extern struct pci_entries pci_probe(int probe_type) {
+  FILE *f;
+  char buf[512];
+  unsigned short devbusfn;
+  unsigned int id;
+  struct pci_entry t[100];
+  struct pci_entries r;
+
+  if (!(f = fopen("/proc/bus/pci/devices", "r"))) exit(1);
+
+  for (r.nb = 0; fgets(buf, sizeof(buf) - 1, f) && r.nb < psizeof(t); r.nb++) {
+    sscanf(buf, "%hx %x", &devbusfn, &id);
+    t[r.nb].vendor = id >> 16;
+    t[r.nb].device = id & 0xffff;
+    t[r.nb].module = NULL;
+    t[r.nb].text   = NULL;
+    {
+      char file[25];
+      FILE *f;
+      snprintf(file, sizeof(file), "/proc/bus/pci/%02x/%02x.%d", devbusfn >> 8, (devbusfn & 0xff) >> 3, (devbusfn & 0xff) & 0x7);
+      if (probe_type && (f = fopen(file, "r"))) {
+        if (fseek(f, 10, SEEK_SET) == 0) 
+	  fread(&t[r.nb].class, 2, 1, f);
+        if (fseek(f, 0x2c, SEEK_SET) == 0) 
+	  fread(&t[r.nb].subvendor, 2, 1, f), fread(&t[r.nb].subdevice, 2, 1, f);
+      } else {
+	t[r.nb].subvendor = 0xffff;
+	t[r.nb].subdevice = 0xffff;
+	t[r.nb].class     = 0;
+      }
+    }
+  }
+  fclose(f);
+  r.entries = memdup(t, sizeof(struct pci_entry) * r.nb);
+
+  pci_find_modules(r);
+  return r;
+}
+
+extern void pci_free(struct pci_entries entries) {
+  int i;
+  for (i = 0; i < entries.nb; i++) {
+    struct pci_entry e = entries.entries[i];
+    ifree(e.module);
+    ifree(e.text);
+  }
+  ifree(entries.entries);
+}
+