fpc.c revision 0ad689d678ef901f32945172f48ddc7b16dde50d
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China * CDDL HEADER START
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dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China * Use is subject to license terms.
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China#pragma ident "%Z%%M% %I% %E% SMI"
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China#include <sys/types.h>
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China#include <sys/sunddi.h>
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China#include <sys/sunndi.h>
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China#include <sys/conf.h>
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China#include <sys/modctl.h>
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China#include <sys/stat.h>
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing Chinastatic int fpc_attach(dev_info_t *dip, ddi_attach_cmd_t cmd);
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing Chinastatic int fpc_detach(dev_info_t *dip, ddi_detach_cmd_t cmd);
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing Chinastatic struct dev_ops fpc_ops = {
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing Chinaextern struct mod_ops mod_driverops;
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing Chinastatic struct modldrv md = {
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China "IO Chip Perf Counter %I%",
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing Chinastatic struct modlinkage ml = {
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China if (fpc_init_platform_check() != SUCCESS)
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China return (ENODEV);
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China return (mod_install(&ml));
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China_info(struct modinfo *modinfop)
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China return (mod_info(&ml, modinfop));
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China return (mod_remove(&ml));
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing Chinafpc_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China * Since the driver saves no state between calls, we can fully detach
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China * on suspend and fully attach on resume.
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China * An RFE might be to save event register states for restore.
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China * The result of not doing this is that the kstat reader (busstat)
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China * may quit upon resume, seeing that the events have changed out from
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China * underneath it (since the registers were powered off upon suspend).
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China case DDI_RESUME:
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China case DDI_ATTACH:
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China if (fpc_kstat_init(dip) != DDI_SUCCESS) {
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China (void) fpc_detach(dip, DDI_DETACH);
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China return (DDI_FAILURE);
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China return (DDI_SUCCESS);
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China return (DDI_FAILURE);
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing Chinafpc_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China case DDI_SUSPEND:
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China case DDI_DETACH:
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China fpc_kstat_fini(dip);
dd1de3740722a4b99a74005255effebbd20a6d70lin wang - Sun Microsystems - Beijing China return (DDI_SUCCESS);