drivers/pci/vgaarb.c

47 	unsigned int locks;		/* what it locks */
81 	 * In theory, we could hand out locks on IO and MEM separately to
273 		if (conflict->locks & lwants)
344 	vgadev->locks |= (rsrc & VGA_RSRC_LEGACY_MASK);
360 	unsigned int old_locks = vgadev->locks;
388 		vgadev->locks &= ~VGA_RSRC_LEGACY_IO;
390 		vgadev->locks &= ~VGA_RSRC_LEGACY_MEM;
396 	if (old_locks != vgadev->locks)
535  * locks are only released if the counter reaches 0.
831 	vgaarb_info(&pdev->dev, "VGA device added: decodes=%s,owns=%s,locks=%s\n",
834 		vga_iostate_to_str(vgadev->locks));
882 	unsigned int decodes_unlocked = vgadev->locks & decodes_removed;
1006  *  close      : Close user instance, release locks
1013  *                enabled on it, and "locks" indicates what is locked by this
1018  *   "<card_ID>,decodes=<io_state>,owns=<io_state>,locks=<io_state> (ic,mc)"
1023  *   lock <io_state>    : acquire locks on target ("none" is invalid io_state)
1024  *   trylock <io_state> : non-blocking acquire locks on target
1025  *   unlock <io_state>  : release locks on target
1026  *   unlock all         : release all locks on target held by this user
1037  * Note about locks:
1039  * The driver keeps track of which user has what locks on which card. It
1043  * Currently, a max of 16 cards simultaneously can have locks issued from
1054 /* Each user has an array of these, tracking which cards have locks */
1131 		       "count:%d,PCI:%s,decodes=%s,owns=%s,locks=%s(%u:%u)\n",
1135 		       vga_iostate_to_str(vgadev->locks),
1200 		/* Update the client's locks lists */
1293 			/* Update the client's locks lists... */
1428 	/* Set the client's lists of locks */