Back out my rbus change since it seems to break things.
This commit is contained in:
augustss
parent
7a16f4991b
commit
5da7a65ca6
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@ -1,4 +1,4 @@
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/* $NetBSD: rbus.c,v 1.4 2000/05/08 14:00:05 augustss Exp $ */
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/* $NetBSD: rbus.c,v 1.5 2000/05/08 19:25:46 augustss Exp $ */
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/*
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* Copyright (c) 1999
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* HAYAKAWA Koichi. All rights reserved.
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@ -42,7 +42,7 @@
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#include <dev/cardbus/rbus.h>
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/*#define RBUS_DEBUG*/
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/* #define RBUS_DEBUG */
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#if defined RBUS_DEBUG
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#define STATIC
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@ -63,16 +63,16 @@ static rbus_tag_t rbus_new_body __P((bus_space_tag_t bt, rbus_tag_t parent,
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int
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rbus_space_alloc(rbt, addr, size, mask, align, flags, addrp, bshp)
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rbus_tag_t rbt;
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bus_addr_t addr;
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bus_size_t size;
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bus_addr_t mask, align;
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int flags;
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bus_addr_t *addrp;
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bus_space_handle_t *bshp;
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rbus_tag_t rbt;
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bus_addr_t addr;
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bus_size_t size;
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bus_addr_t mask, align;
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int flags;
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bus_addr_t *addrp;
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bus_space_handle_t *bshp;
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{
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return rbus_space_alloc_subregion(rbt, rbt->rb_start, rbt->rb_end,
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addr, size, mask, align, flags, addrp, bshp);
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return rbus_space_alloc_subregion(rbt, rbt->rb_start, rbt->rb_end, addr,
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size, mask, align, flags, addrp, bshp);
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}
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@ -80,118 +80,129 @@ rbus_space_alloc(rbt, addr, size, mask, align, flags, addrp, bshp)
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int
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rbus_space_alloc_subregion(rbt, substart, subend, addr, size, mask, align, flags, addrp, bshp)
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rbus_tag_t rbt;
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bus_addr_t addr;
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bus_addr_t substart;
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bus_addr_t subend;
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bus_size_t size;
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bus_addr_t mask, align;
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int flags;
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bus_addr_t *addrp;
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bus_space_handle_t *bshp;
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rbus_tag_t rbt;
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bus_addr_t addr;
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bus_addr_t substart;
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bus_addr_t subend;
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bus_size_t size;
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bus_addr_t mask, align;
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int flags;
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bus_addr_t *addrp;
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bus_space_handle_t *bshp;
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{
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bus_addr_t decodesize = mask + 1;
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bus_addr_t boundary, search_addr;
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int val;
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bus_addr_t result;
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u_long ures;
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int exflags = EX_FAST | EX_NOWAIT;
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bus_addr_t decodesize = mask + 1;
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bus_addr_t boundary, search_addr;
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int val = 0;
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bus_addr_t result;
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int exflags = EX_FAST | EX_NOWAIT;
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DPRINTF(("rbus_space_alloc: addr 0x%lx, size 0x%lx, mask 0x%lx, "
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"align 0x%lx, substart 0x%lx, subend 0x%lx\n",
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addr, size, mask, align, substart, subend));
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DPRINTF(("rbus_space_alloc: addr %lx, size %lx, mask %lx, align %lx\n",
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addr, size, mask, align));
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addr += rbt->rb_offset;
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addr += rbt->rb_offset;
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if (mask == 0)
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/* FULL Decode */
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decodesize = 0;
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if (mask == 0) {
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/* FULL Decode */
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decodesize = 0;
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}
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if (rbt->rb_flags == RBUS_SPACE_ASK_PARENT)
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return rbus_space_alloc(rbt->rb_parent, addr, size, mask,
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align, flags, addrp, bshp);
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if (rbt->rb_flags == RBUS_SPACE_ASK_PARENT) {
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return rbus_space_alloc(rbt->rb_parent, addr, size, mask, align, flags,
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addrp, bshp);
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} else if (rbt->rb_flags == RBUS_SPACE_SHARE ||
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rbt->rb_flags == RBUS_SPACE_DEDICATE) {
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/* rbt has its own sh_extent */
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if (rbt->rb_flags != RBUS_SPACE_SHARE &&
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rbt->rb_flags != RBUS_SPACE_DEDICATE)
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return 1;
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/* sanity check: the subregion [substart, subend] should be
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smaller than the region included in sh_extent */
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if (substart < rbt->rb_ext->ex_start || subend > rbt->rb_ext->ex_end) {
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return 1;
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}
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/* rbt has its own sh_extent */
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if (decodesize == align) {
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if(extent_alloc_subregion(rbt->rb_ext, substart, subend, size, align, 0,
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exflags, (u_long *)&result)) {
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return 1;
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}
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} else if (decodesize == 0) {
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/* maybe, the resister is overflowed. */
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if (extent_alloc_subregion(rbt->rb_ext, addr, addr + size, size,
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0, 0, exflags, (u_long *)&result)) {
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return 1;
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}
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} else {
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/* sanity check: the subregion [substart, subend] should be
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smaller than the region included in sh_extent */
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if (substart < rbt->rb_ext->ex_start || subend > rbt->rb_ext->ex_end)
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return 1;
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boundary = decodesize > align ? decodesize : align;
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if (decodesize == align) {
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if (extent_alloc_subregion(rbt->rb_ext, substart, subend,
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size, align, 0, exflags, &ures)) {
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return 1;
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}
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} else if (decodesize == 0 || addr != 0) {
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/* maybe, the register is overflowed. */
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if (extent_alloc_subregion(rbt->rb_ext, addr, addr + size,
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size, 1, 0, exflags, &ures)) {
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return 1;
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}
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} else {
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boundary = decodesize > align ? decodesize : align;
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search_addr = (substart & ~(boundary - 1)) + addr;
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search_addr = (substart & ~(boundary - 1)) + addr;
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if (search_addr < substart)
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search_addr += boundary;
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if (search_addr < substart) {
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search_addr += boundary;
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}
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val = 1;
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for (; search_addr + size <= subend; search_addr += boundary) {
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val = extent_alloc_subregion(rbt->rb_ext, search_addr,
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search_addr + size, size, align, 0, exflags,
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&ures);
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if (val == 0)
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break;
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}
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if (val)
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return 1;
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for (; search_addr + size <= subend; search_addr += boundary) {
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val = extent_alloc_subregion(rbt->rb_ext,search_addr, search_addr+size,
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size, align, 0, exflags, (u_long *)&result);
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if (val == 0) {
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break;
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}
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result = (bus_addr_t)ures;
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}
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if (val) {
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return 1;
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}
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}
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if (md_space_map(rbt->rb_bt, result, size, flags, bshp)) {
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/* map failed */
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extent_free(rbt->rb_ext, result, size, exflags);
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return 1;
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}
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if(md_space_map(rbt->rb_bt, result, size, flags, bshp)) {
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/* map failed */
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extent_free(rbt->rb_ext, result, size, exflags);
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return 1;
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}
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if (addrp != NULL)
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*addrp = result + rbt->rb_offset;
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return 0;
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if (addrp != NULL) {
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*addrp = result + rbt->rb_offset;
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}
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return 0;
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} else {
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/* error!! */
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return 1;
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}
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return 1;
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}
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int
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rbus_space_free(rbt, bsh, size, addrp)
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rbus_tag_t rbt;
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bus_space_handle_t bsh;
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bus_size_t size;
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bus_addr_t *addrp;
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rbus_tag_t rbt;
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bus_space_handle_t bsh;
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bus_size_t size;
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bus_addr_t *addrp;
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{
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int exflags = EX_FAST | EX_NOWAIT;
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bus_addr_t addr;
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int status = 1;
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int exflags = EX_FAST | EX_NOWAIT;
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bus_addr_t addr;
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int status = 1;
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if (rbt->rb_flags == RBUS_SPACE_ASK_PARENT) {
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status = rbus_space_free(rbt->rb_parent, bsh, size, &addr);
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} else if (rbt->rb_flags == RBUS_SPACE_SHARE ||
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rbt->rb_flags == RBUS_SPACE_DEDICATE) {
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md_space_unmap(rbt->rb_bt, bsh, size, &addr);
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if (rbt->rb_flags == RBUS_SPACE_ASK_PARENT) {
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status = rbus_space_free(rbt->rb_parent, bsh, size, &addr);
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} else if (rbt->rb_flags == RBUS_SPACE_SHARE ||
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rbt->rb_flags == RBUS_SPACE_DEDICATE) {
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md_space_unmap(rbt->rb_bt, bsh, size, &addr);
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extent_free(rbt->rb_ext, addr, size, exflags);
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extent_free(rbt->rb_ext, addr, size, exflags);
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status = 0;
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} else {
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/* error. INVALID rbustag */
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status = 1;
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}
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if (addrp != NULL)
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*addrp = addr;
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return status;
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status = 0;
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} else {
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/* error. INVALID rbustag */
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status = 1;
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}
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if (addrp != NULL) {
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*addrp = addr;
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}
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return status;
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}
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@ -205,42 +216,43 @@ rbus_space_free(rbt, bsh, size, addrp)
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*/
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static rbus_tag_t
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rbus_new_body(bt, parent, ex, start, end, offset, flags)
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bus_space_tag_t bt;
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rbus_tag_t parent;
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struct extent *ex;
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bus_addr_t start, end, offset;
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int flags;
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bus_space_tag_t bt;
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rbus_tag_t parent;
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struct extent *ex;
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bus_addr_t start, end, offset;
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int flags;
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{
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rbus_tag_t rb;
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rbus_tag_t rb;
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/* sanity check */
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if (parent != NULL) {
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if (start < parent->rb_start || end > parent->rb_end) {
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/* out of range: [start, size] should be containd in parent space */
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return 0;
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/* Should I invoke panic? */
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}
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}
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/* sanity check */
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if (parent != NULL) {
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if (start < parent->rb_start || end > parent->rb_end) {
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/* out of range: [start, size] should be containd in parent space */
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return 0;
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/* Should I invoke panic? */
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}
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}
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rb = (rbus_tag_t)malloc(sizeof(struct rbustag), M_DEVBUF, M_NOWAIT);
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if (rb == NULL)
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panic("no memory for rbus instance");
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if (NULL == (rb = (rbus_tag_t)malloc(sizeof(struct rbustag), M_DEVBUF,
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M_NOWAIT))) {
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panic("no memory for rbus instance");
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}
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rb->rb_bt = bt;
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rb->rb_parent = parent;
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rb->rb_start = start;
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rb->rb_end = end;
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rb->rb_offset = offset;
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rb->rb_flags = flags;
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rb->rb_ext = ex;
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rb->rb_bt = bt;
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rb->rb_parent = parent;
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rb->rb_start = start;
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rb->rb_end = end;
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rb->rb_offset = offset;
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rb->rb_flags = flags;
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rb->rb_ext = ex;
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DPRINTF(("rbus_new_body: [%lx, %lx] type %s name [%s]\n", start, end,
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flags == RBUS_SPACE_SHARE ? "share" :
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flags == RBUS_SPACE_DEDICATE ? "dedicated" :
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flags == RBUS_SPACE_ASK_PARENT ? "parent" : "invalid",
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ex != NULL ? ex->ex_name : "noname"));
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DPRINTF(("rbus_new_body: [%lx, %lx] type %s name [%s]\n", start, end,
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flags == RBUS_SPACE_SHARE ? "share" :
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flags == RBUS_SPACE_DEDICATE ? "dedicated" :
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flags == RBUS_SPACE_ASK_PARENT ? "parent" : "invalid",
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ex != NULL ? ex->ex_name : "noname"));
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return rb;
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return rb;
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}
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@ -253,39 +265,39 @@ rbus_new_body(bt, parent, ex, start, end, offset, flags)
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*/
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rbus_tag_t
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rbus_new(parent, start, size, offset, flags)
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rbus_tag_t parent;
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bus_addr_t start;
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bus_size_t size;
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bus_addr_t offset;
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int flags;
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rbus_tag_t parent;
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bus_addr_t start;
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bus_size_t size;
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bus_addr_t offset;
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int flags;
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{
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rbus_tag_t rb;
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struct extent *ex = NULL;
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bus_addr_t end = start + size;
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rbus_tag_t rb;
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struct extent *ex = NULL;
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bus_addr_t end = start + size;
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if (flags == RBUS_SPACE_SHARE) {
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ex = parent->rb_ext;
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} else if (flags == RBUS_SPACE_DEDICATE) {
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ex = extent_create("rbus", start, end, M_DEVBUF, NULL, 0,
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EX_NOCOALESCE | EX_NOWAIT);
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if (ex == NULL) {
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free(rb, M_DEVBUF);
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return NULL;
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}
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} else if (flags == RBUS_SPACE_ASK_PARENT) {
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ex = NULL;
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} else {
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/* Invalid flag */
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return NULL;
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}
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if (flags == RBUS_SPACE_SHARE) {
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ex = parent->rb_ext;
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} else if (flags == RBUS_SPACE_DEDICATE) {
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if (NULL == (ex = extent_create("rbus", start, end, M_DEVBUF, NULL, 0,
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EX_NOCOALESCE|EX_NOWAIT))) {
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free(rb, M_DEVBUF);
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return NULL;
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}
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} else if (flags == RBUS_SPACE_ASK_PARENT) {
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ex = NULL;
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} else {
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/* Invalid flag */
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return 0;
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}
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rb = rbus_new_body(parent->rb_bt, parent, ex, start, start + size,
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offset, flags);
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if (rb == NULL && flags == RBUS_SPACE_DEDICATE)
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extent_destroy(ex);
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rb = rbus_new_body(parent->rb_bt, parent, ex, start, start + size,
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offset, flags);
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return rb;
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if ((rb == NULL) && (flags == RBUS_SPACE_DEDICATE)) {
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extent_destroy(ex);
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}
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return rb;
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}
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@ -299,26 +311,27 @@ rbus_new(parent, start, size, offset, flags)
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*/
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rbus_tag_t
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rbus_new_root_delegate(bt, start, size, offset)
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bus_space_tag_t bt;
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bus_addr_t start;
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bus_size_t size;
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bus_addr_t offset;
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bus_space_tag_t bt;
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bus_addr_t start;
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bus_size_t size;
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bus_addr_t offset;
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{
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rbus_tag_t rb;
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struct extent *ex;
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rbus_tag_t rb;
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struct extent *ex;
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ex = extent_create("rbus root", start, start + size, M_DEVBUF,
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NULL, 0, EX_NOCOALESCE | EX_NOWAIT);
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if (ex == NULL)
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return NULL;
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if (NULL == (ex = extent_create("rbus root", start, start + size, M_DEVBUF,
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NULL, 0, EX_NOCOALESCE|EX_NOWAIT))) {
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return NULL;
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}
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rb = rbus_new_body(bt, NULL, ex, start, start + size, offset,
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RBUS_SPACE_DEDICATE);
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rb = rbus_new_body(bt, NULL, ex, start, start + size, offset,
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RBUS_SPACE_DEDICATE);
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if (rb == NULL)
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extent_destroy(ex);
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return rb;
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if (rb == NULL) {
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extent_destroy(ex);
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}
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return rb;
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}
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@ -331,21 +344,21 @@ rbus_new_root_delegate(bt, start, size, offset)
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*/
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rbus_tag_t
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rbus_new_root_share(bt, ex, start, size, offset)
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bus_space_tag_t bt;
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struct extent *ex;
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bus_addr_t start;
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bus_size_t size;
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bus_addr_t offset;
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bus_space_tag_t bt;
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struct extent *ex;
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bus_addr_t start;
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bus_size_t size;
|
||||
bus_addr_t offset;
|
||||
{
|
||||
/* sanity check */
|
||||
if (start < ex->ex_start || start + size > ex->ex_end) {
|
||||
/* out of range: [start, size] should be containd in parent space */
|
||||
return 0;
|
||||
/* Should I invoke panic? */
|
||||
}
|
||||
/* sanity check */
|
||||
if (start < ex->ex_start || start + size > ex->ex_end) {
|
||||
/* out of range: [start, size] should be containd in parent space */
|
||||
return 0;
|
||||
/* Should I invoke panic? */
|
||||
}
|
||||
|
||||
return rbus_new_body(bt, NULL, ex, start, start + size, offset,
|
||||
RBUS_SPACE_SHARE);
|
||||
return rbus_new_body(bt, NULL, ex, start, start + size, offset,
|
||||
RBUS_SPACE_SHARE);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -359,14 +372,15 @@ rbus_new_root_share(bt, ex, start, size, offset)
|
|||
*/
|
||||
int
|
||||
rbus_delete(rb)
|
||||
rbus_tag_t rb;
|
||||
rbus_tag_t rb;
|
||||
{
|
||||
DPRINTF(("rbus_delete called [%s]\n",
|
||||
rb->rb_ext != NULL ? rb->rb_ext->ex_name : "noname"));
|
||||
if (rb->rb_flags == RBUS_SPACE_DEDICATE)
|
||||
extent_destroy(rb->rb_ext);
|
||||
DPRINTF(("rbus_delete called [%s]\n",
|
||||
rb->rb_ext != NULL ? rb->rb_ext->ex_name : "noname"));
|
||||
if (rb->rb_flags == RBUS_SPACE_DEDICATE) {
|
||||
extent_destroy(rb->rb_ext);
|
||||
}
|
||||
|
||||
free(rb, M_DEVBUF);
|
||||
free(rb, M_DEVBUF);
|
||||
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue