4888 Undocument dma_req(9s)
4884 EOF scsi_hba_attach
4886 EOF ddi_dmae_getlim
4887 EOF ddi_iomin
4634 undocument scsi_hba_attach() and ddi_dma_lim(9s)
4630 clean stale references to ddi_iopb_alloc and ddi_iopb_free

*** 22,32 ****
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  /*
!  * Copyright 2012 Garrett D'Amore <garrett@damore.org>.  All rights reserved.
   */
  
  /*
   * sun4 specific DDI implementation
   */
--- 22,32 ----
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  /*
!  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
   */
  
  /*
   * sun4 specific DDI implementation
   */
*** 1129,1138 ****
--- 1129,1162 ----
                  vmem_free(little_endian_arena, (void *)saddr[-2], saddr[-1]);
          else
                  vmem_free(big_endian_arena, (void *)saddr[-2], saddr[-1]);
  }
  
+ /*
+  * This used to be ddi_iomin, but we were the only remaining caller, so
+  * we've made it private and moved it here.
+  */
+ static int
+ i_ddi_iomin(dev_info_t *a, int i, int stream)
+ {
+         int r;
+ 
+         /*
+          * Make sure that the initial value is sane
+          */
+         if (i & (i - 1))
+                 return (0);
+         if (i == 0)
+                 i = (stream) ? 4 : 1;
+ 
+         r = ddi_ctlops(a, a,
+             DDI_CTLOPS_IOMIN, (void *)(uintptr_t)stream, (void *)&i);
+         if (r != DDI_SUCCESS || (i & (i - 1)))
+                 return (0);
+         return (i);
+ }
+ 
  int
  i_ddi_mem_alloc(dev_info_t *dip, ddi_dma_attr_t *attr,
      size_t length, int cansleep, int flags,
      ddi_device_acc_attr_t *accattrp,
      caddr_t *kaddrp, size_t *real_length, ddi_acc_hdl_t *handlep)
*** 1179,1189 ****
                  iomin = 1;
          else
                  iomin = 1 << (ddi_fls(iomin) - 1);
          iomin = maxbit(iomin, attr->dma_attr_minxfer);
          iomin = maxbit(iomin, attr->dma_attr_align);
!         iomin = ddi_iomin(dip, iomin, streaming);
          if (iomin == 0)
                  return (DDI_FAILURE);
  
          ASSERT((iomin & (iomin - 1)) == 0);
          ASSERT(iomin >= attr->dma_attr_minxfer);
--- 1203,1213 ----
                  iomin = 1;
          else
                  iomin = 1 << (ddi_fls(iomin) - 1);
          iomin = maxbit(iomin, attr->dma_attr_minxfer);
          iomin = maxbit(iomin, attr->dma_attr_align);
!         iomin = i_ddi_iomin(dip, iomin, streaming);
          if (iomin == 0)
                  return (DDI_FAILURE);
  
          ASSERT((iomin & (iomin - 1)) == 0);
          ASSERT(iomin >= attr->dma_attr_minxfer);