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Add an isp_handle_index function- this is prepatory to loading more into

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the handle (i.e., generation number), so we will now need a function that
will take a handle and return a flat index [ 0 .. maxhandles-1 ] for
auxillary routines that need an index to get at buddy store values
(like dma maps or xflist pointers).
This commit is contained in:
mjacob 2000-06-27 19:14:14 +00:00
parent 1b27bb998b
commit 4e3ffc160e
1 changed files with 15 additions and 3 deletions
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18
sys/dev/isp/isp_inline.h
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@ -171,6 +171,9 @@ isp_find_xs __P((struct ispsoftc *, u_int32_t));
static INLINE u_int32_t
isp_find_handle __P((struct ispsoftc *, ISP_SCSI_XFER_T *));
static INLINE int
isp_handle_index __P((u_int32_t));
static INLINE void
isp_destroy_handle __P((struct ispsoftc *, u_int32_t));
@ -232,13 +235,20 @@ isp_find_handle(isp, xs)
return (0);
}
static INLINE int
isp_handle_index(handle)
u_int32_t handle;
{
return (handle-1);
}
static INLINE void
isp_destroy_handle(isp, handle)
struct ispsoftc *isp;
u_int32_t handle;
{
if (handle > 0 && handle <= (u_int32_t) isp->isp_maxcmds) {
isp->isp_xflist[handle - 1] = NULL;
isp->isp_xflist[isp_handle_index(handle)] = NULL;
}
}
@ -269,8 +279,10 @@ isp_getrqentry(isp, iptrp, optrp, resultp)
if (iptr == optr) {
return (1);
}
*optrp = optr;
*iptrp = iptr;
if (optrp)
*optrp = optr;
if (iptrp)
*iptrp = iptr;
return (0);
}