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NEX-15925 pseudonex, rootnex, and friends don't need to log useless device announcements
Reviewed by: Dan Fields <dan.fields@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
NEX-5164 backport illumos 6514 AS_* lock macros simplification
Reviewed by: Kevin Crowe <kevin.crowe@nexenta.com>
6514 AS_* lock macros simplification
Reviewed by: Piotr Jasiukajtis <estibi@me.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Albert Lee <trisk@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>


4740 
4741 dev_info_t *
4742 ddi_root_node(void)
4743 {
4744         extern dev_info_t *top_devinfo;
4745 
4746         return (top_devinfo);
4747 }
4748 
4749 /*
4750  * Miscellaneous functions:
4751  */
4752 
4753 /*
4754  * Implementation specific hooks
4755  */
4756 
4757 void
4758 ddi_report_dev(dev_info_t *d)
4759 {
4760         char *b;
4761 
4762         (void) ddi_ctlops(d, d, DDI_CTLOPS_REPORTDEV, (void *)0, (void *)0);
4763 
4764         /*
4765          * If this devinfo node has cb_ops, it's implicitly accessible from
4766          * userland, so we print its full name together with the instance
4767          * number 'abbreviation' that the driver may use internally.
4768          */
4769         if (DEVI(d)->devi_ops->devo_cb_ops != (struct cb_ops *)0 &&
4770             (b = kmem_zalloc(MAXPATHLEN, KM_NOSLEEP))) {
4771                 cmn_err(CE_CONT, "?%s%d is %s\n",
4772                     ddi_driver_name(d), ddi_get_instance(d),
4773                     ddi_pathname(d, b));
4774                 kmem_free(b, MAXPATHLEN);
4775         }
4776 }
4777 
4778 /*
4779  * ddi_ctlops() is described in the assembler not to buy a new register
4780  * window when it's called and can reduce cost in climbing the device tree
4781  * without using the tail call optimization.
4782  */
4783 int
4784 ddi_dev_regsize(dev_info_t *dev, uint_t rnumber, off_t *result)
4785 {
4786         int ret;
4787 
4788         ret = ddi_ctlops(dev, dev, DDI_CTLOPS_REGSIZE,
4789             (void *)&rnumber, (void *)result);
4790 
4791         return (ret == DDI_SUCCESS ? DDI_SUCCESS : DDI_FAILURE);
4792 }
4793 
4794 int
4795 ddi_dev_nregs(dev_info_t *dev, int *result)




4740 
4741 dev_info_t *
4742 ddi_root_node(void)
4743 {
4744         extern dev_info_t *top_devinfo;
4745 
4746         return (top_devinfo);
4747 }
4748 
4749 /*
4750  * Miscellaneous functions:
4751  */
4752 
4753 /*
4754  * Implementation specific hooks
4755  */
4756 
4757 void
4758 ddi_report_dev(dev_info_t *d)
4759 {


4760         (void) ddi_ctlops(d, d, DDI_CTLOPS_REPORTDEV, (void *)0, (void *)0);













4761 }
4762 
4763 /*
4764  * ddi_ctlops() is described in the assembler not to buy a new register
4765  * window when it's called and can reduce cost in climbing the device tree
4766  * without using the tail call optimization.
4767  */
4768 int
4769 ddi_dev_regsize(dev_info_t *dev, uint_t rnumber, off_t *result)
4770 {
4771         int ret;
4772 
4773         ret = ddi_ctlops(dev, dev, DDI_CTLOPS_REGSIZE,
4774             (void *)&rnumber, (void *)result);
4775 
4776         return (ret == DDI_SUCCESS ? DDI_SUCCESS : DDI_FAILURE);
4777 }
4778 
4779 int
4780 ddi_dev_nregs(dev_info_t *dev, int *result)