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Code Issues Releases Wiki Activity

Unify usage of iopl-like code by introducing get_io_perms()

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Factor out portable iopl()-style code into a global function which all
programmers can use, add missing close() call.

Corresponding to flashrom svn r511.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
This commit is contained in:
Uwe Hermann
2009-05-14 20:41:57 +00:00
parent 0cdb0313f1
commit a086932cf9
3 changed files with 17 additions and 20 deletions
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19
nic3com.c
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@ -39,10 +39,6 @@ uint32_t io_base_addr;
struct pci_access *pacc;
struct pci_filter filter;
#if defined(__FreeBSD__) || defined(__DragonFly__)
int io_fd;
#endif
#define OK 0
#define NT 1 /* Not tested */
@ -102,17 +98,7 @@ int nic3com_init(void)
struct pci_dev *dev;
char *msg = NULL;
#if defined (__sun) && (defined(__i386) || defined(__amd64))
if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0) {
#elif defined(__FreeBSD__) || defined (__DragonFly__)
if ((io_fd = open("/dev/io", O_RDWR)) < 0) {
#else
if (iopl(3) != 0) {
#endif
fprintf(stderr, "ERROR: Could not get IO privileges (%s).\n"
"You need to be root.\n", strerror(errno));
exit(1);
}
get_io_perms();
pacc = pci_alloc(); /* Get the pci_access structure */
pci_init(pacc); /* Initialize the PCI library */
@ -155,6 +141,9 @@ int nic3com_shutdown(void)
{
free(nic_pcidev);
pci_cleanup(pacc);
#if defined(__FreeBSD__) || defined(__DragonFly__)
close(io_fd);
#endif
return 0;
}