and slightly hurts runtime performance. Bugfixes for the old firmware
are not provided by Broadcom anymore.
Who: Michael Buesch <mb@bu3sch.de>
+
+---------------------------
+
+What: Solaris/SunOS syscall and binary support on Sparc
+When: 2.6.26
+Why: Largely unmaintained and almost entirely unused. File system
+ layering used to divert library and dynamic linker searches to
+ /usr/gnemul is extremely buggy and unfixable. Making it work
+ is largely pointless as without a lot of work only the most
+ trivial of Solaris binaries can work with the emulation code.
+Who: David S. Miller <davem@davemloft.net>
-/* $Id: errtbls.c,v 1.2 1995/11/25 00:57:55 davem Exp $
- * errtbls.c: Error number conversion tables between various syscall
- * OS semantics.
+/* errtbls.c: Error number conversion tables.
*
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
*
* Based upon preliminary work which is:
*
* Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu)
*/
-#include <asm/bsderrno.h> /* NetBSD (bsd4.4) errnos */
#include <asm/solerrno.h> /* Solaris errnos */
-/* Here are tables which convert between Linux/SunOS error number
- * values to the equivalent in other OSs. Note that since the Linux
- * ones have been set up to match exactly those of SunOS, no
- * translation table is needed for that OS.
+/* Here is the table which converts between Linux error number values
+ * to the equivalent under Solaris. Note that since the Linux ones
+ * have been set up to match exactly those of SunOS, no translation
+ * table is needed for that OS.
*/
int solaris_errno[] = {
SOL_ELIBMAX,
SOL_ELIBSCN,
};
-
-int netbsd_errno[] = {
- 0,
- BSD_EPERM,
- BSD_ENOENT,
- BSD_ESRCH,
- BSD_EINTR,
- BSD_EIO,
- BSD_ENXIO,
- BSD_E2BIG,
- BSD_ENOEXEC,
- BSD_EBADF,
- BSD_ECHILD,
- BSD_EAGAIN,
- BSD_ENOMEM,
- BSD_EACCES,
- BSD_EFAULT,
- BSD_NOTBLK,
- BSD_EBUSY,
- BSD_EEXIST,
- BSD_EXDEV,
- BSD_ENODEV,
- BSD_ENOTDIR,
- BSD_EISDIR,
- BSD_EINVAL,
- BSD_ENFILE,
- BSD_EMFILE,
- BSD_ENOTTY,
- BSD_ETXTBSY,
- BSD_EFBIG,
- BSD_ENOSPC,
- BSD_ESPIPE,
- BSD_EROFS,
- BSD_EMLINK,
- BSD_EPIPE,
- BSD_EDOM,
- BSD_ERANGE,
- BSD_EWOULDBLOCK,
- BSD_EINPROGRESS,
- BSD_EALREADY,
- BSD_ENOTSOCK,
- BSD_EDESTADDRREQ,
- BSD_EMSGSIZE,
- BSD_EPROTOTYPE,
- BSD_ENOPROTOOPT,
- BSD_EPROTONOSUPPORT,
- BSD_ESOCKTNOSUPPORT,
- BSD_EOPNOTSUPP,
- BSD_EPFNOSUPPORT,
- BSD_EAFNOSUPPORT,
- BSD_EADDRINUSE,
- BSD_EADDRNOTAVAIL,
- BSD_ENETDOWN,
- BSD_ENETUNREACH,
- BSD_ENETRESET,
- BSD_ECONNABORTED,
- BSD_ECONNRESET,
- BSD_ENOBUFS,
- BSD_EISCONN,
- BSD_ENOTONN,
- BSD_ESHUTDOWN,
- BSD_ETOOMANYREFS,
- BSD_ETIMEDOUT,
- BSD_ECONNREFUSED,
- BSD_ELOOP,
- BSD_ENAMETOOLONG,
- BSD_EHOSTDOWN,
- BSD_EHOSTUNREACH,
- BSD_ENOTEMPTY,
- BSD_EPROCLIM,
- BSD_EUSERS,
- BSD_EDQUOT,
- BSD_ESTALE,
- BSD_EREMOTE,
- BSD_ENOSTR,
- BSD_ETIME,
- BSD_ENOSR,
- BSD_ENOMSG,
- BSD_EBADMSG,
- BSD_IDRM,
- BSD_EDEADLK,
- BSD_ENOLCK,
- BSD_ENONET,
- BSD_ERREMOTE,
- BSD_ENOLINK,
- BSD_EADV,
- BSD_ESRMNT,
- BSD_ECOMM,
- BSD_EPROTO,
- BSD_EMULTIHOP,
- BSD_EINVAL, /* EDOTDOT XXX??? */
- BSD_REMCHG,
- BSD_NOSYS,
- BSD_STRPIPE,
- BSD_EOVERFLOW,
- BSD_EBADFD,
- BSD_ECHRNG,
- BSD_EL2NSYNC,
- BSD_EL3HLT,
- BSD_EL3RST,
- BSD_NRNG,
- BSD_EUNATCH,
- BSD_ENOCSI,
- BSD_EL2HLT,
- BSD_EBADE,
- BSD_EBADR,
- BSD_EXFULL,
- BSD_ENOANO,
- BSD_EBADRQC,
- BSD_EBADSLT,
- BSD_EDEADLOCK,
- BSD_EBFONT,
- BSD_ELIBEXEC,
- BSD_ENODATA,
- BSD_ELIBBAD,
- BSD_ENOPKG,
- BSD_ELIBACC,
- BSD_ENOTUNIQ,
- BSD_ERESTART,
- BSD_EUCLEAN,
- BSD_ENOTNAM,
- BSD_ENAVAIL,
- BSD_EISNAM,
- BSD_EREMOTEIO,
- BSD_EILSEQ,
- BSD_ELIBMAX,
- BSD_ELIBSCN,
-};
-
}
__setup("of_debug=", of_debug);
-
-struct of_device* of_platform_device_create(struct device_node *np,
- const char *bus_id,
- struct device *parent,
- struct bus_type *bus)
-{
- struct of_device *dev;
-
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (!dev)
- return NULL;
-
- dev->dev.parent = parent;
- dev->dev.bus = bus;
- dev->dev.release = of_release_dev;
-
- strlcpy(dev->dev.bus_id, bus_id, BUS_ID_SIZE);
-
- if (of_device_register(dev) != 0) {
- kfree(dev);
- return NULL;
- }
-
- return dev;
-}
-
-EXPORT_SYMBOL(of_platform_device_create);
.data.cacheline_aligned : {
*(.data.cacheline_aligned)
}
+ . = ALIGN(32);
+ .data.read_mostly : {
+ *(.data.read_mostly)
+ }
__bss_start = .;
.sbss : {
bool
default y
+config IOMMU_HELPER
+ bool
+ default y
+
config QUICKLIST
bool
default y
/* iommu.c: Generic sparc64 IOMMU support.
*
- * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1999, 2007, 2008 David S. Miller (davem@davemloft.net)
* Copyright (C) 1999, 2000 Jakub Jelinek (jakub@redhat.com)
*/
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/errno.h>
+#include <linux/iommu-helper.h>
#ifdef CONFIG_PCI
#include <linux/pci.h>
"i" (ASI_PHYS_BYPASS_EC_E))
/* Must be invoked under the IOMMU lock. */
-static void __iommu_flushall(struct iommu *iommu)
+static void iommu_flushall(struct iommu *iommu)
{
if (iommu->iommu_flushinv) {
iommu_write(iommu->iommu_flushinv, ~(u64)0);
iopte_val(*iopte) = val;
}
-/* Based largely upon the ppc64 iommu allocator. */
-static long arena_alloc(struct iommu *iommu, unsigned long npages)
+/* Based almost entirely upon the ppc64 iommu allocator. If you use the 'handle'
+ * facility it must all be done in one pass while under the iommu lock.
+ *
+ * On sun4u platforms, we only flush the IOMMU once every time we've passed
+ * over the entire page table doing allocations. Therefore we only ever advance
+ * the hint and cannot backtrack it.
+ */
+unsigned long iommu_range_alloc(struct device *dev,
+ struct iommu *iommu,
+ unsigned long npages,
+ unsigned long *handle)
{
+ unsigned long n, end, start, limit, boundary_size;
struct iommu_arena *arena = &iommu->arena;
- unsigned long n, i, start, end, limit;
- int pass;
+ int pass = 0;
+
+ /* This allocator was derived from x86_64's bit string search */
+
+ /* Sanity check */
+ if (unlikely(npages == 0)) {
+ if (printk_ratelimit())
+ WARN_ON(1);
+ return DMA_ERROR_CODE;
+ }
+
+ if (handle && *handle)
+ start = *handle;
+ else
+ start = arena->hint;
limit = arena->limit;
- start = arena->hint;
- pass = 0;
-again:
- n = find_next_zero_bit(arena->map, limit, start);
- end = n + npages;
- if (unlikely(end >= limit)) {
+ /* The case below can happen if we have a small segment appended
+ * to a large, or when the previous alloc was at the very end of
+ * the available space. If so, go back to the beginning and flush.
+ */
+ if (start >= limit) {
+ start = 0;
+ if (iommu->flush_all)
+ iommu->flush_all(iommu);
+ }
+
+ again:
+
+ if (dev)
+ boundary_size = ALIGN(dma_get_seg_boundary(dev) + 1,
+ 1 << IO_PAGE_SHIFT);
+ else
+ boundary_size = ALIGN(1UL << 32, 1 << IO_PAGE_SHIFT);
+
+ n = iommu_area_alloc(arena->map, limit, start, npages, 0,
+ boundary_size >> IO_PAGE_SHIFT, 0);
+ if (n == -1) {
if (likely(pass < 1)) {
- limit = start;
+ /* First failure, rescan from the beginning. */
start = 0;
- __iommu_flushall(iommu);
+ if (iommu->flush_all)
+ iommu->flush_all(iommu);
pass++;
goto again;
} else {
- /* Scanned the whole thing, give up. */
- return -1;
- }
- }
-
- for (i = n; i < end; i++) {
- if (test_bit(i, arena->map)) {
- start = i + 1;
- goto again;
+ /* Second failure, give up */
+ return DMA_ERROR_CODE;
}
}
- for (i = n; i < end; i++)
- __set_bit(i, arena->map);
+ end = n + npages;
arena->hint = end;
+ /* Update handle for SG allocations */
+ if (handle)
+ *handle = end;
+
return n;
}
-static void arena_free(struct iommu_arena *arena, unsigned long base, unsigned long npages)
+void iommu_range_free(struct iommu *iommu, dma_addr_t dma_addr, unsigned long npages)
{
- unsigned long i;
+ struct iommu_arena *arena = &iommu->arena;
+ unsigned long entry;
- for (i = base; i < (base + npages); i++)
- __clear_bit(i, arena->map);
+ entry = (dma_addr - iommu->page_table_map_base) >> IO_PAGE_SHIFT;
+
+ iommu_area_free(arena->map, entry, npages);
}
int iommu_table_init(struct iommu *iommu, int tsbsize,
}
iommu->arena.limit = num_tsb_entries;
+ if (tlb_type != hypervisor)
+ iommu->flush_all = iommu_flushall;
+
/* Allocate and initialize the dummy page which we
* set inactive IO PTEs to point to.
*/
return -ENOMEM;
}
-static inline iopte_t *alloc_npages(struct iommu *iommu, unsigned long npages)
+static inline iopte_t *alloc_npages(struct device *dev, struct iommu *iommu,
+ unsigned long npages)
{
- long entry;
+ unsigned long entry;
- entry = arena_alloc(iommu, npages);
- if (unlikely(entry < 0))
+ entry = iommu_range_alloc(dev, iommu, npages, NULL);
+ if (unlikely(entry == DMA_ERROR_CODE))
return NULL;
return iommu->page_table + entry;
}
-static inline void free_npages(struct iommu *iommu, dma_addr_t base, unsigned long npages)
-{
- arena_free(&iommu->arena, base >> IO_PAGE_SHIFT, npages);
-}
-
static int iommu_alloc_ctx(struct iommu *iommu)
{
int lowest = iommu->ctx_lowest_free;
iommu = dev->archdata.iommu;
spin_lock_irqsave(&iommu->lock, flags);
- iopte = alloc_npages(iommu, size >> IO_PAGE_SHIFT);
+ iopte = alloc_npages(dev, iommu, size >> IO_PAGE_SHIFT);
spin_unlock_irqrestore(&iommu->lock, flags);
if (unlikely(iopte == NULL)) {
spin_lock_irqsave(&iommu->lock, flags);
- free_npages(iommu, dvma - iommu->page_table_map_base, npages);
+ iommu_range_free(iommu, dvma, npages);
spin_unlock_irqrestore(&iommu->lock, flags);
npages >>= IO_PAGE_SHIFT;
spin_lock_irqsave(&iommu->lock, flags);
- base = alloc_npages(iommu, npages);
+ base = alloc_npages(dev, iommu, npages);
ctx = 0;
if (iommu->iommu_ctxflush)
ctx = iommu_alloc_ctx(iommu);
for (i = 0; i < npages; i++)
iopte_make_dummy(iommu, base + i);
- free_npages(iommu, bus_addr - iommu->page_table_map_base, npages);
+ iommu_range_free(iommu, bus_addr, npages);
iommu_free_ctx(iommu, ctx);
static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction)
{
- unsigned long flags, ctx, i, npages, iopte_protection;
- struct scatterlist *sg;
+ struct scatterlist *s, *outs, *segstart;
+ unsigned long flags, handle, prot, ctx;
+ dma_addr_t dma_next = 0, dma_addr;
+ unsigned int max_seg_size;
+ int outcount, incount, i;
struct strbuf *strbuf;
struct iommu *iommu;
- iopte_t *base;
- u32 dma_base;
-
- /* Fast path single entry scatterlists. */
- if (nelems == 1) {
- sglist->dma_address =
- dma_4u_map_single(dev, sg_virt(sglist),
- sglist->length, direction);
- if (unlikely(sglist->dma_address == DMA_ERROR_CODE))
- return 0;
- sglist->dma_length = sglist->length;
- return 1;
- }
+
+ BUG_ON(direction == DMA_NONE);
iommu = dev->archdata.iommu;
strbuf = dev->archdata.stc;
-
- if (unlikely(direction == DMA_NONE))
- goto bad_no_ctx;
-
- npages = calc_npages(sglist, nelems);
+ if (nelems == 0 || !iommu)
+ return 0;
spin_lock_irqsave(&iommu->lock, flags);
- base = alloc_npages(iommu, npages);
ctx = 0;
if (iommu->iommu_ctxflush)
ctx = iommu_alloc_ctx(iommu);
- spin_unlock_irqrestore(&iommu->lock, flags);
-
- if (base == NULL)
- goto bad;
-
- dma_base = iommu->page_table_map_base +
- ((base - iommu->page_table) << IO_PAGE_SHIFT);
-
if (strbuf->strbuf_enabled)
- iopte_protection = IOPTE_STREAMING(ctx);
+ prot = IOPTE_STREAMING(ctx);
else
- iopte_protection = IOPTE_CONSISTENT(ctx);
+ prot = IOPTE_CONSISTENT(ctx);
if (direction != DMA_TO_DEVICE)
- iopte_protection |= IOPTE_WRITE;
-
- for_each_sg(sglist, sg, nelems, i) {
- unsigned long paddr = SG_ENT_PHYS_ADDRESS(sg);
- unsigned long slen = sg->length;
- unsigned long this_npages;
+ prot |= IOPTE_WRITE;
+
+ outs = s = segstart = &sglist[0];
+ outcount = 1;
+ incount = nelems;
+ handle = 0;
+
+ /* Init first segment length for backout at failure */
+ outs->dma_length = 0;
+
+ max_seg_size = dma_get_max_seg_size(dev);
+ for_each_sg(sglist, s, nelems, i) {
+ unsigned long paddr, npages, entry, slen;
+ iopte_t *base;
+
+ slen = s->length;
+ /* Sanity check */
+ if (slen == 0) {
+ dma_next = 0;
+ continue;
+ }
+ /* Allocate iommu entries for that segment */
+ paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s);
+ npages = iommu_num_pages(paddr, slen);
+ entry = iommu_range_alloc(dev, iommu, npages, &handle);
+
+ /* Handle failure */
+ if (unlikely(entry == DMA_ERROR_CODE)) {
+ if (printk_ratelimit())
+ printk(KERN_INFO "iommu_alloc failed, iommu %p paddr %lx"
+ " npages %lx\n", iommu, paddr, npages);
+ goto iommu_map_failed;
+ }
- this_npages = iommu_num_pages(paddr, slen);
+ base = iommu->page_table + entry;
- sg->dma_address = dma_base | (paddr & ~IO_PAGE_MASK);
- sg->dma_length = slen;
+ /* Convert entry to a dma_addr_t */
+ dma_addr = iommu->page_table_map_base +
+ (entry << IO_PAGE_SHIFT);
+ dma_addr |= (s->offset & ~IO_PAGE_MASK);
+ /* Insert into HW table */
paddr &= IO_PAGE_MASK;
- while (this_npages--) {
- iopte_val(*base) = iopte_protection | paddr;
-
+ while (npages--) {
+ iopte_val(*base) = prot | paddr;
base++;
paddr += IO_PAGE_SIZE;
- dma_base += IO_PAGE_SIZE;
}
+
+ /* If we are in an open segment, try merging */
+ if (segstart != s) {
+ /* We cannot merge if:
+ * - allocated dma_addr isn't contiguous to previous allocation
+ */
+ if ((dma_addr != dma_next) ||
+ (outs->dma_length + s->length > max_seg_size)) {
+ /* Can't merge: create a new segment */
+ segstart = s;
+ outcount++;
+ outs = sg_next(outs);
+ } else {
+ outs->dma_length += s->length;
+ }
+ }
+
+ if (segstart == s) {
+ /* This is a new segment, fill entries */
+ outs->dma_address = dma_addr;
+ outs->dma_length = slen;
+ }
+
+ /* Calculate next page pointer for contiguous check */
+ dma_next = dma_addr + slen;
}
- return nelems;
+ spin_unlock_irqrestore(&iommu->lock, flags);
+
+ if (outcount < incount) {
+ outs = sg_next(outs);
+ outs->dma_address = DMA_ERROR_CODE;
+ outs->dma_length = 0;
+ }
+
+ return outcount;
+
+iommu_map_failed:
+ for_each_sg(sglist, s, nelems, i) {
+ if (s->dma_length != 0) {
+ unsigned long vaddr, npages, entry, i;
+ iopte_t *base;
+
+ vaddr = s->dma_address & IO_PAGE_MASK;
+ npages = iommu_num_pages(s->dma_address, s->dma_length);
+ iommu_range_free(iommu, vaddr, npages);
+
+ entry = (vaddr - iommu->page_table_map_base)
+ >> IO_PAGE_SHIFT;
+ base = iommu->page_table + entry;
+
+ for (i = 0; i < npages; i++)
+ iopte_make_dummy(iommu, base + i);
+
+ s->dma_address = DMA_ERROR_CODE;
+ s->dma_length = 0;
+ }
+ if (s == outs)
+ break;
+ }
+ spin_unlock_irqrestore(&iommu->lock, flags);
-bad:
- iommu_free_ctx(iommu, ctx);
-bad_no_ctx:
- if (printk_ratelimit())
- WARN_ON(1);
return 0;
}
+/* If contexts are being used, they are the same in all of the mappings
+ * we make for a particular SG.
+ */
+static unsigned long fetch_sg_ctx(struct iommu *iommu, struct scatterlist *sg)
+{
+ unsigned long ctx = 0;
+
+ if (iommu->iommu_ctxflush) {
+ iopte_t *base;
+ u32 bus_addr;
+
+ bus_addr = sg->dma_address & IO_PAGE_MASK;
+ base = iommu->page_table +
+ ((bus_addr - iommu->page_table_map_base) >> IO_PAGE_SHIFT);
+
+ ctx = (iopte_val(*base) & IOPTE_CONTEXT) >> 47UL;
+ }
+ return ctx;
+}
+
static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction)
{
- unsigned long flags, ctx, i, npages;
+ unsigned long flags, ctx;
+ struct scatterlist *sg;
struct strbuf *strbuf;
struct iommu *iommu;
- iopte_t *base;
- u32 bus_addr;
- if (unlikely(direction == DMA_NONE)) {
- if (printk_ratelimit())
- WARN_ON(1);
- }
+ BUG_ON(direction == DMA_NONE);
iommu = dev->archdata.iommu;
strbuf = dev->archdata.stc;
- bus_addr = sglist->dma_address & IO_PAGE_MASK;
+ ctx = fetch_sg_ctx(iommu, sglist);
- npages = calc_npages(sglist, nelems);
+ spin_lock_irqsave(&iommu->lock, flags);
- base = iommu->page_table +
- ((bus_addr - iommu->page_table_map_base) >> IO_PAGE_SHIFT);
+ sg = sglist;
+ while (nelems--) {
+ dma_addr_t dma_handle = sg->dma_address;
+ unsigned int len = sg->dma_length;
+ unsigned long npages, entry;
+ iopte_t *base;
+ int i;
- spin_lock_irqsave(&iommu->lock, flags);
+ if (!len)
+ break;
+ npages = iommu_num_pages(dma_handle, len);
+ iommu_range_free(iommu, dma_handle, npages);
- /* Record the context, if any. */
- ctx = 0;
- if (iommu->iommu_ctxflush)
- ctx = (iopte_val(*base) & IOPTE_CONTEXT) >> 47UL;
+ entry = ((dma_handle - iommu->page_table_map_base)
+ >> IO_PAGE_SHIFT);
+ base = iommu->page_table + entry;
- /* Step 1: Kick data out of streaming buffers if necessary. */
- if (strbuf->strbuf_enabled)
- strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
+ dma_handle &= IO_PAGE_MASK;
+ if (strbuf->strbuf_enabled)
+ strbuf_flush(strbuf, iommu, dma_handle, ctx,
+ npages, direction);
- /* Step 2: Clear out the TSB entries. */
- for (i = 0; i < npages; i++)
- iopte_make_dummy(iommu, base + i);
+ for (i = 0; i < npages; i++)
+ iopte_make_dummy(iommu, base + i);
- free_npages(iommu, bus_addr - iommu->page_table_map_base, npages);
+ sg = sg_next(sg);
+ }
iommu_free_ctx(iommu, ctx);
-/* $Id: iommu_common.h,v 1.5 2001/12/11 09:41:01 davem Exp $
- * iommu_common.h: UltraSparc SBUS/PCI common iommu declarations.
+/* iommu_common.h: UltraSparc SBUS/PCI common iommu declarations.
*
- * Copyright (C) 1999 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1999, 2008 David S. Miller (davem@davemloft.net)
*/
+#ifndef _IOMMU_COMMON_H
+#define _IOMMU_COMMON_H
+
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/sched.h>
return npages;
}
-/* You are _strongly_ advised to enable the following debugging code
- * any time you make changes to the sg code below, run it for a while
- * with filesystems mounted read-only before buying the farm... -DaveM
- */
-#undef VERIFY_SG
-
-#ifdef VERIFY_SG
-extern void verify_sglist(struct scatterlist *sg, int nents, iopte_t *iopte, int npages);
-#endif
-
-/* Two addresses are "virtually contiguous" if and only if:
- * 1) They are equal, or...
- * 2) They are both on a page boundary
- */
-#define VCONTIG(__X, __Y) (((__X) == (__Y)) || \
- (((__X) | (__Y)) << (64UL - PAGE_SHIFT)) == 0UL)
+extern unsigned long iommu_range_alloc(struct device *dev,
+ struct iommu *iommu,
+ unsigned long npages,
+ unsigned long *handle);
+extern void iommu_range_free(struct iommu *iommu,
+ dma_addr_t dma_addr,
+ unsigned long npages);
-extern unsigned long prepare_sg(struct device *dev, struct scatterlist *sg, int nents);
+#endif /* _IOMMU_COMMON_H */
return 0;
}
-/* architecture specific initialization */
-int arch_init_kprobes(void)
+/* Called with kretprobe_lock held. The value stored in the return
+ * address register is actually 2 instructions before where the
+ * callee will return to. Sequences usually look something like this
+ *
+ * call some_function <--- return register points here
+ * nop <--- call delay slot
+ * whatever <--- where callee returns to
+ *
+ * To keep trampoline_probe_handler logic simpler, we normalize the
+ * value kept in ri->ret_addr so we don't need to keep adjusting it
+ * back and forth.
+ */
+void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
+ struct pt_regs *regs)
+{
+ ri->ret_addr = (kprobe_opcode_t *)(regs->u_regs[UREG_RETPC] + 8);
+
+ /* Replace the return addr with trampoline addr */
+ regs->u_regs[UREG_RETPC] =
+ ((unsigned long)kretprobe_trampoline) - 8;
+}
+
+/*
+ * Called when the probe at kretprobe trampoline is hit
+ */
+int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
+{
+ struct kretprobe_instance *ri = NULL;
+ struct hlist_head *head, empty_rp;
+ struct hlist_node *node, *tmp;
+ unsigned long flags, orig_ret_address = 0;
+ unsigned long trampoline_address =(unsigned long)&kretprobe_trampoline;
+
+ INIT_HLIST_HEAD(&empty_rp);
+ spin_lock_irqsave(&kretprobe_lock, flags);
+ head = kretprobe_inst_table_head(current);
+
+ /*
+ * It is possible to have multiple instances associated with a given
+ * task either because an multiple functions in the call path
+ * have a return probe installed on them, and/or more then one return
+ * return probe was registered for a target function.
+ *
+ * We can handle this because:
+ * - instances are always inserted at the head of the list
+ * - when multiple return probes are registered for the same
+ * function, the first instance's ret_addr will point to the
+ * real return address, and all the rest will point to
+ * kretprobe_trampoline
+ */
+ hlist_for_each_entry_safe(ri, node, tmp, head, hlist) {
+ if (ri->task != current)
+ /* another task is sharing our hash bucket */
+ continue;
+
+ if (ri->rp && ri->rp->handler)
+ ri->rp->handler(ri, regs);
+
+ orig_ret_address = (unsigned long)ri->ret_addr;
+ recycle_rp_inst(ri, &empty_rp);
+
+ if (orig_ret_address != trampoline_address)
+ /*
+ * This is the real return address. Any other
+ * instances associated with this task are for
+ * other calls deeper on the call stack
+ */
+ break;
+ }
+
+ kretprobe_assert(ri, orig_ret_address, trampoline_address);
+ regs->tpc = orig_ret_address;
+ regs->tnpc = orig_ret_address + 4;
+
+ reset_current_kprobe();
+ spin_unlock_irqrestore(&kretprobe_lock, flags);
+ preempt_enable_no_resched();
+
+ hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) {
+ hlist_del(&ri->hlist);
+ kfree(ri);
+ }
+ /*
+ * By returning a non-zero value, we are telling
+ * kprobe_handler() that we don't want the post_handler
+ * to run (and have re-enabled preemption)
+ */
+ return 1;
+}
+
+void kretprobe_trampoline_holder(void)
+{
+ asm volatile(".global kretprobe_trampoline\n"
+ "kretprobe_trampoline:\n"
+ "\tnop\n"
+ "\tnop\n");
+}
+static struct kprobe trampoline_p = {
+ .addr = (kprobe_opcode_t *) &kretprobe_trampoline,
+ .pre_handler = trampoline_probe_handler
+};
+
+int __init arch_init_kprobes(void)
{
+ return register_kprobe(&trampoline_p);
+}
+
+int __kprobes arch_trampoline_kprobe(struct kprobe *p)
+{
+ if (p->addr == (kprobe_opcode_t *)&kretprobe_trampoline)
+ return 1;
+
return 0;
}
}
__setup("of_debug=", of_debug);
-
-struct of_device* of_platform_device_create(struct device_node *np,
- const char *bus_id,
- struct device *parent,
- struct bus_type *bus)
-{
- struct of_device *dev;
-
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (!dev)
- return NULL;
-
- dev->dev.parent = parent;
- dev->dev.bus = bus;
- dev->dev.release = of_release_dev;
-
- strlcpy(dev->dev.bus_id, bus_id, BUS_ID_SIZE);
-
- if (of_device_register(dev) != 0) {
- kfree(dev);
- return NULL;
- }
-
- return dev;
-}
-EXPORT_SYMBOL(of_platform_device_create);
/* pci_sun4v.c: SUN4V specific PCI controller support.
*
- * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 2006, 2007, 2008 David S. Miller (davem@davemloft.net)
*/
#include <linux/kernel.h>
return 0;
}
+static inline void iommu_batch_new_entry(unsigned long entry)
+{
+ struct iommu_batch *p = &__get_cpu_var(iommu_batch);
+
+ if (p->entry + p->npages == entry)
+ return;
+ if (p->entry != ~0UL)
+ iommu_batch_flush(p);
+ p->entry = entry;
+}
+
/* Interrupts must be disabled. */
static inline long iommu_batch_add(u64 phys_page)
{
return iommu_batch_flush(p);
}
-static long arena_alloc(struct iommu_arena *arena, unsigned long npages)
-{
- unsigned long n, i, start, end, limit;
- int pass;
-
- limit = arena->limit;
- start = arena->hint;
- pass = 0;
-
-again:
- n = find_next_zero_bit(arena->map, limit, start);
- end = n + npages;
- if (unlikely(end >= limit)) {
- if (likely(pass < 1)) {
- limit = start;
- start = 0;
- pass++;
- goto again;
- } else {
- /* Scanned the whole thing, give up. */
- return -1;
- }
- }
-
- for (i = n; i < end; i++) {
- if (test_bit(i, arena->map)) {
- start = i + 1;
- goto again;
- }
- }
-
- for (i = n; i < end; i++)
- __set_bit(i, arena->map);
-
- arena->hint = end;
-
- return n;
-}
-
-static void arena_free(struct iommu_arena *arena, unsigned long base,
- unsigned long npages)
-{
- unsigned long i;
-
- for (i = base; i < (base + npages); i++)
- __clear_bit(i, arena->map);
-}
-
static void *dma_4v_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_addrp, gfp_t gfp)
{
iommu = dev->archdata.iommu;
spin_lock_irqsave(&iommu->lock, flags);
- entry = arena_alloc(&iommu->arena, npages);
+ entry = iommu_range_alloc(dev, iommu, npages, NULL);
spin_unlock_irqrestore(&iommu->lock, flags);
- if (unlikely(entry < 0L))
- goto arena_alloc_fail;
+ if (unlikely(entry == DMA_ERROR_CODE))
+ goto range_alloc_fail;
*dma_addrp = (iommu->page_table_map_base +
(entry << IO_PAGE_SHIFT));
iommu_map_fail:
/* Interrupts are disabled. */
spin_lock(&iommu->lock);
- arena_free(&iommu->arena, entry, npages);
+ iommu_range_free(iommu, *dma_addrp, npages);
spin_unlock_irqrestore(&iommu->lock, flags);
-arena_alloc_fail:
+range_alloc_fail:
free_pages(first_page, order);
return NULL;
}
spin_lock_irqsave(&iommu->lock, flags);
- arena_free(&iommu->arena, entry, npages);
+ iommu_range_free(iommu, dvma, npages);
do {
unsigned long num;
npages >>= IO_PAGE_SHIFT;
spin_lock_irqsave(&iommu->lock, flags);
- entry = arena_alloc(&iommu->arena, npages);
+ entry = iommu_range_alloc(dev, iommu, npages, NULL);
spin_unlock_irqrestore(&iommu->lock, flags);
- if (unlikely(entry < 0L))
+ if (unlikely(entry == DMA_ERROR_CODE))
goto bad;
bus_addr = (iommu->page_table_map_base +
iommu_map_fail:
/* Interrupts are disabled. */
spin_lock(&iommu->lock);
- arena_free(&iommu->arena, entry, npages);
+ iommu_range_free(iommu, bus_addr, npages);
spin_unlock_irqrestore(&iommu->lock, flags);
return DMA_ERROR_CODE;
spin_lock_irqsave(&iommu->lock, flags);
- entry = (bus_addr - iommu->page_table_map_base) >> IO_PAGE_SHIFT;
- arena_free(&iommu->arena, entry, npages);
+ iommu_range_free(iommu, bus_addr, npages);
+ entry = (bus_addr - iommu->page_table_map_base) >> IO_PAGE_SHIFT;
do {
unsigned long num;
static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction)
{
- unsigned long flags, npages, i, prot;
- struct scatterlist *sg;
+ struct scatterlist *s, *outs, *segstart;
+ unsigned long flags, handle, prot;
+ dma_addr_t dma_next = 0, dma_addr;
+ unsigned int max_seg_size;
+ int outcount, incount, i;
struct iommu *iommu;
- long entry, err;
- u32 dma_base;
-
- /* Fast path single entry scatterlists. */
- if (nelems == 1) {
- sglist->dma_address =
- dma_4v_map_single(dev, sg_virt(sglist),
- sglist->length, direction);
- if (unlikely(sglist->dma_address == DMA_ERROR_CODE))
- return 0;
- sglist->dma_length = sglist->length;
- return 1;
- }
+ long err;
+
+ BUG_ON(direction == DMA_NONE);
iommu = dev->archdata.iommu;
+ if (nelems == 0 || !iommu)
+ return 0;
- if (unlikely(direction == DMA_NONE))
- goto bad;
-
- npages = calc_npages(sglist, nelems);
+ prot = HV_PCI_MAP_ATTR_READ;
+ if (direction != DMA_TO_DEVICE)
+ prot |= HV_PCI_MAP_ATTR_WRITE;
- spin_lock_irqsave(&iommu->lock, flags);
- entry = arena_alloc(&iommu->arena, npages);
- spin_unlock_irqrestore(&iommu->lock, flags);
+ outs = s = segstart = &sglist[0];
+ outcount = 1;
+ incount = nelems;
+ handle = 0;
- if (unlikely(entry < 0L))
- goto bad;
+ /* Init first segment length for backout at failure */
+ outs->dma_length = 0;
- dma_base = iommu->page_table_map_base +
- (entry << IO_PAGE_SHIFT);
+ spin_lock_irqsave(&iommu->lock, flags);
- prot = HV_PCI_MAP_ATTR_READ;
- if (direction != DMA_TO_DEVICE)
- prot |= HV_PCI_MAP_ATTR_WRITE;
+ iommu_batch_start(dev, prot, ~0UL);
- local_irq_save(flags);
+ max_seg_size = dma_get_max_seg_size(dev);
+ for_each_sg(sglist, s, nelems, i) {
+ unsigned long paddr, npages, entry, slen;
- iommu_batch_start(dev, prot, entry);
+ slen = s->length;
+ /* Sanity check */
+ if (slen == 0) {
+ dma_next = 0;
+ continue;
+ }
+ /* Allocate iommu entries for that segment */
+ paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s);
+ npages = iommu_num_pages(paddr, slen);
+ entry = iommu_range_alloc(dev, iommu, npages, &handle);
- for_each_sg(sglist, sg, nelems, i) {
- unsigned long paddr = SG_ENT_PHYS_ADDRESS(sg);
- unsigned long slen = sg->length;
- unsigned long this_npages;
+ /* Handle failure */
+ if (unlikely(entry == DMA_ERROR_CODE)) {
+ if (printk_ratelimit())
+ printk(KERN_INFO "iommu_alloc failed, iommu %p paddr %lx"
+ " npages %lx\n", iommu, paddr, npages);
+ goto iommu_map_failed;
+ }
- this_npages = iommu_num_pages(paddr, slen);
+ iommu_batch_new_entry(entry);
- sg->dma_address = dma_base | (paddr & ~IO_PAGE_MASK);
- sg->dma_length = slen;
+ /* Convert entry to a dma_addr_t */
+ dma_addr = iommu->page_table_map_base +
+ (entry << IO_PAGE_SHIFT);
+ dma_addr |= (s->offset & ~IO_PAGE_MASK);
+ /* Insert into HW table */
paddr &= IO_PAGE_MASK;
- while (this_npages--) {
+ while (npages--) {
err = iommu_batch_add(paddr);
- if (unlikely(err < 0L)) {
- local_irq_restore(flags);
+ if (unlikely(err < 0L))
goto iommu_map_failed;
+ paddr += IO_PAGE_SIZE;
+ }
+
+ /* If we are in an open segment, try merging */
+ if (segstart != s) {
+ /* We cannot merge if:
+ * - allocated dma_addr isn't contiguous to previous allocation
+ */
+ if ((dma_addr != dma_next) ||
+ (outs->dma_length + s->length > max_seg_size)) {
+ /* Can't merge: create a new segment */
+ segstart = s;
+ outcount++;
+ outs = sg_next(outs);
+ } else {
+ outs->dma_length += s->length;
}
+ }
- paddr += IO_PAGE_SIZE;
- dma_base += IO_PAGE_SIZE;
+ if (segstart == s) {
+ /* This is a new segment, fill entries */
+ outs->dma_address = dma_addr;
+ outs->dma_length = slen;
}
+
+ /* Calculate next page pointer for contiguous check */
+ dma_next = dma_addr + slen;
}
err = iommu_batch_end();
- local_irq_restore(flags);
-
if (unlikely(err < 0L))
goto iommu_map_failed;
- return nelems;
+ spin_unlock_irqrestore(&iommu->lock, flags);
-bad:
- if (printk_ratelimit())
- WARN_ON(1);
- return 0;
+ if (outcount < incount) {
+ outs = sg_next(outs);
+ outs->dma_address = DMA_ERROR_CODE;
+ outs->dma_length = 0;
+ }
+
+ return outcount;
iommu_map_failed:
- spin_lock_irqsave(&iommu->lock, flags);
- arena_free(&iommu->arena, entry, npages);
+ for_each_sg(sglist, s, nelems, i) {
+ if (s->dma_length != 0) {
+ unsigned long vaddr, npages;
+
+ vaddr = s->dma_address & IO_PAGE_MASK;
+ npages = iommu_num_pages(s->dma_address, s->dma_length);
+ iommu_range_free(iommu, vaddr, npages);
+ /* XXX demap? XXX */
+ s->dma_address = DMA_ERROR_CODE;
+ s->dma_length = 0;
+ }
+ if (s == outs)
+ break;
+ }
spin_unlock_irqrestore(&iommu->lock, flags);
return 0;
static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction)
{
- unsigned long flags, npages;
struct pci_pbm_info *pbm;
- u32 devhandle, bus_addr;
+ struct scatterlist *sg;
struct iommu *iommu;
- long entry;
+ unsigned long flags;
+ u32 devhandle;
- if (unlikely(direction == DMA_NONE)) {
- if (printk_ratelimit())
- WARN_ON(1);
- }
+ BUG_ON(direction == DMA_NONE);
iommu = dev->archdata.iommu;
pbm = dev->archdata.host_controller;
devhandle = pbm->devhandle;
- bus_addr = sglist->dma_address & IO_PAGE_MASK;
-
- npages = calc_npages(sglist, nelems);
-
- entry = ((bus_addr - iommu->page_table_map_base) >> IO_PAGE_SHIFT);
-
spin_lock_irqsave(&iommu->lock, flags);
- arena_free(&iommu->arena, entry, npages);
-
- do {
- unsigned long num;
+ sg = sglist;
+ while (nelems--) {
+ dma_addr_t dma_handle = sg->dma_address;
+ unsigned int len = sg->dma_length;
+ unsigned long npages, entry;
+
+ if (!len)
+ break;
+ npages = iommu_num_pages(dma_handle, len);
+ iommu_range_free(iommu, dma_handle, npages);
+
+ entry = ((dma_handle - iommu->page_table_map_base) >> IO_PAGE_SHIFT);
+ while (npages) {
+ unsigned long num;
+
+ num = pci_sun4v_iommu_demap(devhandle, HV_PCI_TSBID(0, entry),
+ npages);
+ entry += num;
+ npages -= num;
+ }
- num = pci_sun4v_iommu_demap(devhandle, HV_PCI_TSBID(0, entry),
- npages);
- entry += num;
- npages -= num;
- } while (npages != 0);
+ sg = sg_next(sg);
+ }
spin_unlock_irqrestore(&iommu->lock, flags);
}
-/* $Id: a.out.h,v 1.13 2000/01/09 10:46:53 anton Exp $ */
#ifndef __SPARC_A_OUT_H__
#define __SPARC_A_OUT_H__
#define SPARC_PGSIZE 0x2000 /* Thanks to the sun4 architecture... */
#define SEGMENT_SIZE SPARC_PGSIZE /* whee... */
+#ifndef __ASSEMBLY__
+
struct exec {
unsigned char a_dynamic:1; /* A __DYNAMIC is in this image */
unsigned char a_toolversion:7;
unsigned char a_machtype;
unsigned short a_info;
- unsigned long a_text; /* length of text, in bytes */
- unsigned long a_data; /* length of data, in bytes */
- unsigned long a_bss; /* length of bss, in bytes */
- unsigned long a_syms; /* length of symbol table, in bytes */
- unsigned long a_entry; /* where program begins */
- unsigned long a_trsize;
- unsigned long a_drsize;
+ unsigned int a_text; /* length of text, in bytes */
+ unsigned int a_data; /* length of data, in bytes */
+ unsigned int a_bss; /* length of bss, in bytes */
+ unsigned int a_syms; /* length of symbol table, in bytes */
+ unsigned int a_entry; /* where program begins */
+ unsigned int a_trsize;
+ unsigned int a_drsize;
};
+#endif /* !__ASSEMBLY__ */
+
/* Where in the file does the text information begin? */
#define N_TXTOFF(x) (N_MAGIC(x) == ZMAGIC ? 0 : sizeof (struct exec))
(x).a_drsize)
/* Where does text segment go in memory after being loaded? */
-#define N_TXTADDR(x) (((N_MAGIC(x) == ZMAGIC) && \
+#define N_TXTADDR(x) (unsigned long)(((N_MAGIC(x) == ZMAGIC) && \
((x).a_entry < SPARC_PGSIZE)) ? \
0 : SPARC_PGSIZE)
/* And same for the data segment.. */
#define N_DATADDR(x) (N_MAGIC(x)==OMAGIC ? \
(N_TXTADDR(x) + (x).a_text) \
- : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
+ : (unsigned long) (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
#define N_TRSIZE(a) ((a).a_trsize)
#define N_DRSIZE(a) ((a).a_drsize)
#define N_SYMSIZE(a) ((a).a_syms)
+#ifndef __ASSEMBLY__
+
/*
* Sparc relocation types
*/
*/
struct relocation_info /* used when header.a_machtype == M_SPARC */
{
- unsigned long r_address; /* relocation addr */
+ unsigned int r_address; /* relocation addr */
unsigned int r_index:24; /* segment index or symbol index */
unsigned int r_extern:1; /* if F, r_index==SEG#; if T, SYM idx */
unsigned int r_pad:2; /* <unused> */
enum reloc_type r_type:5; /* type of relocation to perform */
- long r_addend; /* addend for relocation value */
+ int r_addend; /* addend for relocation value */
};
#define N_RELOCATION_INFO_DECLARED 1
+#endif /* !(__ASSEMBLY__) */
+
#endif /* __SPARC_A_OUT_H__ */
* with compliant or compatible devices. It will use whatever features
* the device supports, prefering those that are typically faster.
*
- * When the device is opened, it is left in COMPATABILITY mode, and
+ * When the device is opened, it is left in COMPATIBILITY mode, and
* writes work like any printer device. The driver only attempt to
* negotiate 1284 modes when needed so that plugs can be pulled,
* switch boxes switched, etc., without disrupting things. It will
+++ /dev/null
-/* $Id: bsderrno.h,v 1.3 1996/04/25 06:12:47 davem Exp $
- * bsderrno.h: Error numbers for NetBSD binary compatibility
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#ifndef _SPARC_BSDERRNO_H
-#define _SPARC_BSDERRNO_H
-
-#define BSD_EPERM 1 /* Operation not permitted */
-#define BSD_ENOENT 2 /* No such file or directory */
-#define BSD_ESRCH 3 /* No such process */
-#define BSD_EINTR 4 /* Interrupted system call */
-#define BSD_EIO 5 /* Input/output error */
-#define BSD_ENXIO 6 /* Device not configured */
-#define BSD_E2BIG 7 /* Argument list too long */
-#define BSD_ENOEXEC 8 /* Exec format error */
-#define BSD_EBADF 9 /* Bad file descriptor */
-#define BSD_ECHILD 10 /* No child processes */
-#define BSD_EDEADLK 11 /* Resource deadlock avoided */
-#define BSD_ENOMEM 12 /* Cannot allocate memory */
-#define BSD_EACCES 13 /* Permission denied */
-#define BSD_EFAULT 14 /* Bad address */
-#define BSD_ENOTBLK 15 /* Block device required */
-#define BSD_EBUSY 16 /* Device busy */
-#define BSD_EEXIST 17 /* File exists */
-#define BSD_EXDEV 18 /* Cross-device link */
-#define BSD_ENODEV 19 /* Operation not supported by device */
-#define BSD_ENOTDIR 20 /* Not a directory */
-#define BSD_EISDIR 21 /* Is a directory */
-#define BSD_EINVAL 22 /* Invalid argument */
-#define BSD_ENFILE 23 /* Too many open files in system */
-#define BSD_EMFILE 24 /* Too many open files */
-#define BSD_ENOTTY 25 /* Inappropriate ioctl for device */
-#define BSD_ETXTBSY 26 /* Text file busy */
-#define BSD_EFBIG 27 /* File too large */
-#define BSD_ENOSPC 28 /* No space left on device */
-#define BSD_ESPIPE 29 /* Illegal seek */
-#define BSD_EROFS 30 /* Read-only file system */
-#define BSD_EMLINK 31 /* Too many links */
-#define BSD_EPIPE 32 /* Broken pipe */
-#define BSD_EDOM 33 /* Numerical argument out of domain */
-#define BSD_ERANGE 34 /* Result too large */
-#define BSD_EAGAIN 35 /* Resource temporarily unavailable */
-#define BSD_EWOULDBLOCK EAGAIN /* Operation would block */
-#define BSD_EINPROGRESS 36 /* Operation now in progress */
-#define BSD_EALREADY 37 /* Operation already in progress */
-#define BSD_ENOTSOCK 38 /* Socket operation on non-socket */
-#define BSD_EDESTADDRREQ 39 /* Destination address required */
-#define BSD_EMSGSIZE 40 /* Message too long */
-#define BSD_EPROTOTYPE 41 /* Protocol wrong type for socket */
-#define BSD_ENOPROTOOPT 42 /* Protocol not available */
-#define BSD_EPROTONOSUPPORT 43 /* Protocol not supported */
-#define BSD_ESOCKTNOSUPPORT 44 /* Socket type not supported */
-#define BSD_EOPNOTSUPP 45 /* Operation not supported */
-#define BSD_EPFNOSUPPORT 46 /* Protocol family not supported */
-#define BSD_EAFNOSUPPORT 47 /* Address family not supported by protocol family */
-#define BSD_EADDRINUSE 48 /* Address already in use */
-#define BSD_EADDRNOTAVAIL 49 /* Can't assign requested address */
-#define BSD_ENETDOWN 50 /* Network is down */
-#define BSD_ENETUNREACH 51 /* Network is unreachable */
-#define BSD_ENETRESET 52 /* Network dropped connection on reset */
-#define BSD_ECONNABORTED 53 /* Software caused connection abort */
-#define BSD_ECONNRESET 54 /* Connection reset by peer */
-#define BSD_ENOBUFS 55 /* No buffer space available */
-#define BSD_EISCONN 56 /* Socket is already connected */
-#define BSD_ENOTCONN 57 /* Socket is not connected */
-#define BSD_ESHUTDOWN 58 /* Can't send after socket shutdown */
-#define BSD_ETOOMANYREFS 59 /* Too many references: can't splice */
-#define BSD_ETIMEDOUT 60 /* Operation timed out */
-#define BSD_ECONNREFUSED 61 /* Connection refused */
-#define BSD_ELOOP 62 /* Too many levels of symbolic links */
-#define BSD_ENAMETOOLONG 63 /* File name too long */
-#define BSD_EHOSTDOWN 64 /* Host is down */
-#define BSD_EHOSTUNREACH 65 /* No route to host */
-#define BSD_ENOTEMPTY 66 /* Directory not empty */
-#define BSD_EPROCLIM 67 /* Too many processes */
-#define BSD_EUSERS 68 /* Too many users */
-#define BSD_EDQUOT 69 /* Disc quota exceeded */
-#define BSD_ESTALE 70 /* Stale NFS file handle */
-#define BSD_EREMOTE 71 /* Too many levels of remote in path */
-#define BSD_EBADRPC 72 /* RPC struct is bad */
-#define BSD_ERPCMISMATCH 73 /* RPC version wrong */
-#define BSD_EPROGUNAVAIL 74 /* RPC prog. not avail */
-#define BSD_EPROGMISMATCH 75 /* Program version wrong */
-#define BSD_EPROCUNAVAIL 76 /* Bad procedure for program */
-#define BSD_ENOLCK 77 /* No locks available */
-#define BSD_ENOSYS 78 /* Function not implemented */
-#define BSD_EFTYPE 79 /* Inappropriate file type or format */
-#define BSD_EAUTH 80 /* Authentication error */
-#define BSD_ENEEDAUTH 81 /* Need authenticator */
-#define BSD_ELAST 81 /* Must be equal largest errno */
-
-#endif /* !(_SPARC_BSDERRNO_H) */
#define _SPARC_BUG_H
#ifdef CONFIG_BUG
-/* Only use the inline asm until a gcc release that can handle __builtin_trap
- * -rob 2003-06-25
- *
- * gcc-3.3.1 and later will be OK -DaveM
- */
-#if (__GNUC__ > 3) || \
- (__GNUC__ == 3 && __GNUC_MINOR__ > 3) || \
- (__GNUC__ == 3 && __GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ >= 4)
-#define __bug_trap() __builtin_trap()
-#else
-#define __bug_trap() \
- __asm__ __volatile__ ("t 0x5\n\t" : : )
-#endif
+#include <linux/compiler.h>
#ifdef CONFIG_DEBUG_BUGVERBOSE
extern void do_BUG(const char *file, int line);
#define BUG() do { \
do_BUG(__FILE__, __LINE__); \
- __bug_trap(); \
+ __builtin_trap(); \
} while (0)
#else
-#define BUG() __bug_trap()
+#define BUG() __builtin_trap()
#endif
#define HAVE_ARCH_BUG
-/* $Id: bugs.h,v 1.1 1996/12/26 13:25:20 davem Exp $
- * include/asm-sparc/bugs.h: Sparc probes for various bugs.
+/* include/asm-sparc/bugs.h: Sparc probes for various bugs.
*
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net)
*/
+#ifdef CONFIG_SPARC32
#include <asm/cpudata.h>
+#endif
+
+#ifdef CONFIG_SPARC64
+#include <asm/sstate.h>
+#endif
extern unsigned long loops_per_jiffy;
-static void check_bugs(void)
+static void __init check_bugs(void)
{
-#ifndef CONFIG_SMP
+#if defined(CONFIG_SPARC32) && !defined(CONFIG_SMP)
cpu_data(0).udelay_val = loops_per_jiffy;
#endif
+#ifdef CONFIG_SPARC64
+ sstate_running();
+#endif
}
-/* $Id: byteorder.h,v 1.15 1997/12/16 19:20:44 davem Exp $ */
#ifndef _SPARC_BYTEORDER_H
#define _SPARC_BYTEORDER_H
#include <asm/types.h>
+#include <asm/asi.h>
+
+#ifdef __GNUC__
+
+#ifdef CONFIG_SPARC32
+#define __SWAB_64_THRU_32__
+#endif
+
+#ifdef CONFIG_SPARC64
+
+static inline __u16 ___arch__swab16p(const __u16 *addr)
+{
+ __u16 ret;
+
+ __asm__ __volatile__ ("lduha [%1] %2, %0"
+ : "=r" (ret)
+ : "r" (addr), "i" (ASI_PL));
+ return ret;
+}
+
+static inline __u32 ___arch__swab32p(const __u32 *addr)
+{
+ __u32 ret;
+
+ __asm__ __volatile__ ("lduwa [%1] %2, %0"
+ : "=r" (ret)
+ : "r" (addr), "i" (ASI_PL));
+ return ret;
+}
+
+static inline __u64 ___arch__swab64p(const __u64 *addr)
+{
+ __u64 ret;
+
+ __asm__ __volatile__ ("ldxa [%1] %2, %0"
+ : "=r" (ret)
+ : "r" (addr), "i" (ASI_PL));
+ return ret;
+}
+
+#define __arch__swab16p(x) ___arch__swab16p(x)
+#define __arch__swab32p(x) ___arch__swab32p(x)
+#define __arch__swab64p(x) ___arch__swab64p(x)
+
+#endif /* CONFIG_SPARC64 */
+
+#define __BYTEORDER_HAS_U64__
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
#endif
#include <linux/byteorder/big_endian.h>
-/* $Id: cache.h,v 1.9 1999/08/14 03:51:58 anton Exp $
- * cache.h: Cache specific code for the Sparc. These include flushing
+/* cache.h: Cache specific code for the Sparc. These include flushing
* and direct tag/data line access.
*
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
*/
#ifndef _SPARC_CACHE_H
#define _SPARC_CACHE_H
-#include <asm/asi.h>
-
#define L1_CACHE_SHIFT 5
#define L1_CACHE_BYTES 32
#define L1_CACHE_ALIGN(x) ((((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)))
-#define SMP_CACHE_BYTES 32
+#ifdef CONFIG_SPARC32
+#define SMP_CACHE_BYTES_SHIFT 5
+#else
+#define SMP_CACHE_BYTES_SHIFT 6
+#endif
+
+#define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
+
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+
+#ifdef CONFIG_SPARC32
+#include <asm/asi.h>
/* Direct access to the instruction cache is provided through and
* alternate address space. The IDC bit must be off in the ICCR on
"r" (addr), "i" (ASI_M_FLUSH_USER) :
"memory");
}
+#endif /* CONFIG_SPARC32 */
#endif /* !(_SPARC_CACHE_H) */
-/*
- * include/asm-sparc/current.h
+/* include/asm-sparc/current.h
*
* Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Copyright (C) 2002 Pete Zaitcev (zaitcev@yahoo.com)
+ * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
*
* Derived from "include/asm-s390/current.h" by
* Martin Schwidefsky (schwidefsky@de.ibm.com)
* Derived from "include/asm-i386/current.h"
- */
-#ifndef _ASM_CURRENT_H
-#define _ASM_CURRENT_H
-
-/*
- * At the sparc64 DaveM keeps current_thread_info in %g4.
- * We might want to consider doing the same to shave a few cycles.
- */
+*/
+#ifndef _SPARC_CURRENT_H
+#define _SPARC_CURRENT_H
#include <linux/thread_info.h>
-struct task_struct;
+#ifdef CONFIG_SPARC64
+register struct task_struct *current asm("g4");
+#endif
-/* Two stage process (inline + #define) for type-checking. */
-/* We also obfuscate get_current() to check if anyone used that by mistake. */
+#ifdef CONFIG_SPARC32
+/* We might want to consider using %g4 like sparc64 to shave a few cycles.
+ *
+ * Two stage process (inline + #define) for type-checking.
+ * We also obfuscate get_current() to check if anyone used that by mistake.
+ */
+struct task_struct;
static inline struct task_struct *__get_current(void)
{
return current_thread_info()->task;
}
#define current __get_current()
+#endif
-#endif /* !(_ASM_CURRENT_H) */
+#endif /* !(_SPARC_CURRENT_H) */
};
#endif /* _ASM_SPARC_DEVICE_H */
-
-
-/* $Id: errno.h,v 1.6 1997/04/15 09:03:38 davem Exp $ */
#ifndef _SPARC_ERRNO_H
#define _SPARC_ERRNO_H
-#ifndef _ASM_FB_H_
-#define _ASM_FB_H_
+#ifndef _SPARC_FB_H_
+#define _SPARC_FB_H_
#include <linux/fb.h>
+#include <linux/fs.h>
+#include <asm/page.h>
#include <asm/prom.h>
-#define fb_pgprotect(...) do {} while (0)
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+ unsigned long off)
+{
+#ifdef CONFIG_SPARC64
+ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+#endif
+}
static inline int fb_is_primary_device(struct fb_info *info)
{
return 0;
}
-#endif /* _ASM_FB_H_ */
+#endif /* _SPARC_FB_H_ */
#define of_bus_type of_platform_bus_type /* for compatibility */
-extern struct of_device *of_platform_device_create(struct device_node *np,
- const char *bus_id,
- struct device *parent,
- struct bus_type *bus);
-
#endif /* _ASM_SPARC_OF_PLATFORM_H */
* Copyright (C) 1996-2005 Paul Mackerras.
*
* Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
- * Updates for SPARC32 by David S. Miller
+ * Updates for SPARC by David S. Miller
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
unsigned int unique_id;
};
+struct of_irq_controller;
struct device_node {
const char *name;
const char *type;
unsigned long _flags;
void *data;
unsigned int unique_id;
+
+ struct of_irq_controller *irq_trans;
+};
+
+struct of_irq_controller {
+ unsigned int (*irq_build)(struct device_node *, unsigned int, void *);
+ void *data;
};
#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
+extern struct device_node *of_find_node_by_cpuid(int cpuid);
extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
extern int of_getintprop_default(struct device_node *np,
const char *name,
-/* $Id: a.out.h,v 1.8 2002/02/09 19:49:31 davem Exp $ */
-#ifndef __SPARC64_A_OUT_H__
-#define __SPARC64_A_OUT_H__
-
-#define SPARC_PGSIZE 0x2000 /* Thanks to the sun4 architecture... */
-#define SEGMENT_SIZE SPARC_PGSIZE /* whee... */
-
-#ifndef __ASSEMBLY__
-
-struct exec {
- unsigned char a_dynamic:1; /* A __DYNAMIC is in this image */
- unsigned char a_toolversion:7;
- unsigned char a_machtype;
- unsigned short a_info;
- unsigned int a_text; /* length of text, in bytes */
- unsigned int a_data; /* length of data, in bytes */
- unsigned int a_bss; /* length of bss, in bytes */
- unsigned int a_syms; /* length of symbol table, in bytes */
- unsigned int a_entry; /* where program begins */
- unsigned int a_trsize;
- unsigned int a_drsize;
-};
-
-#endif /* !__ASSEMBLY__ */
-
-/* Where in the file does the text information begin? */
-#define N_TXTOFF(x) (N_MAGIC(x) == ZMAGIC ? 0 : sizeof (struct exec))
-
-/* Where do the Symbols start? */
-#define N_SYMOFF(x) (N_TXTOFF(x) + (x).a_text + \
- (x).a_data + (x).a_trsize + \
- (x).a_drsize)
-
-/* Where does text segment go in memory after being loaded? */
-#define N_TXTADDR(x) (unsigned long)(((N_MAGIC(x) == ZMAGIC) && \
- ((x).a_entry < SPARC_PGSIZE)) ? \
- 0 : SPARC_PGSIZE)
-
-/* And same for the data segment.. */
-#define N_DATADDR(x) (N_MAGIC(x)==OMAGIC ? \
- (N_TXTADDR(x) + (x).a_text) \
- : (unsigned long)(_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
-
-#define N_TRSIZE(a) ((a).a_trsize)
-#define N_DRSIZE(a) ((a).a_drsize)
-#define N_SYMSIZE(a) ((a).a_syms)
-
-#ifndef __ASSEMBLY__
-
-/*
- * Sparc relocation types
- */
-enum reloc_type
-{
- RELOC_8,
- RELOC_16,
- RELOC_32, /* simplest relocs */
- RELOC_DISP8,
- RELOC_DISP16,
- RELOC_DISP32, /* Disp's (pc-rel) */
- RELOC_WDISP30,
- RELOC_WDISP22, /* SR word disp's */
- RELOC_HI22,
- RELOC_22, /* SR 22-bit relocs */
- RELOC_13,
- RELOC_LO10, /* SR 13&10-bit relocs */
- RELOC_SFA_BASE,
- RELOC_SFA_OFF13, /* SR S.F.A. relocs */
- RELOC_BASE10,
- RELOC_BASE13,
- RELOC_BASE22, /* base_relative pic */
- RELOC_PC10,
- RELOC_PC22, /* special pc-rel pic */
- RELOC_JMP_TBL, /* jmp_tbl_rel in pic */
- RELOC_SEGOFF16, /* ShLib offset-in-seg */
- RELOC_GLOB_DAT,
- RELOC_JMP_SLOT,
- RELOC_RELATIVE /* rtld relocs */
-};
-
-/*
- * Format of a relocation datum.
- */
-struct relocation_info /* used when header.a_machtype == M_SPARC */
-{
- unsigned int r_address; /* relocation addr */
- unsigned int r_index:24; /* segment index or symbol index */
- unsigned int r_extern:1; /* if F, r_index==SEG#; if T, SYM idx */
- unsigned int r_pad:2; /* <unused> */
- enum reloc_type r_type:5; /* type of relocation to perform */
- int r_addend; /* addend for relocation value */
-};
-
-#define N_RELOCATION_INFO_DECLARED 1
-
-#endif /* !(__ASSEMBLY__) */
-
-#endif /* !(__SPARC64_A_OUT_H__) */
+#include <asm-sparc/a.out.h>
-#ifndef __ASM_SPARC64_AUXVEC_H
-#define __ASM_SPARC64_AUXVEC_H
-
-#endif /* !(__ASM_SPARC64_AUXVEC_H) */
+#include <asm-sparc/auxvec.h>
-#ifndef _SPARC64_BPP_H
-#define _SPARC64_BPP_H
-
-/*
- * Copyright (c) 1995 Picture Elements
- * Stephen Williams
- * Gus Baldauf
- *
- * Linux/SPARC port by Peter Zaitcev.
- * Integration into SPARC tree by Tom Dyas.
- */
-
-#include <linux/ioctl.h>
-
-/*
- * This is a driver that supports IEEE Std 1284-1994 communications
- * with compliant or compatible devices. It will use whatever features
- * the device supports, prefering those that are typically faster.
- *
- * When the device is opened, it is left in COMPATIBILITY mode, and
- * writes work like any printer device. The driver only attempt to
- * negotiate 1284 modes when needed so that plugs can be pulled,
- * switch boxes switched, etc., without disrupting things. It will
- * also leave the device in compatibility mode when closed.
- */
-
-
-
-/*
- * This driver also supplies ioctls to manually manipulate the
- * pins. This is great for testing devices, or writing code to deal
- * with bizzarro-mode of the ACME Special TurboThingy Plus.
- *
- * NOTE: These ioctl currently do not interact well with
- * read/write. Caveat emptor.
- *
- * PUT_PINS allows us to assign the sense of all the pins, including
- * the data pins if being driven by the host. The GET_PINS returns the
- * pins that the peripheral drives, including data if appropriate.
- */
-
-# define BPP_PUT_PINS _IOW('B', 1, int)
-# define BPP_GET_PINS _IOR('B', 2, char) /* that's bogus - should've been _IO */
-# define BPP_PUT_DATA _IOW('B', 3, int)
-# define BPP_GET_DATA _IOR('B', 4, char) /* ditto */
-
-/*
- * Set the data bus to input mode. Disengage the data bin driver and
- * be prepared to read values from the peripheral. If the arg is 0,
- * then revert the bus to output mode.
- */
-# define BPP_SET_INPUT _IOW('B', 5, int)
-
-/*
- * These bits apply to the PUT operation...
- */
-# define BPP_PP_nStrobe 0x0001
-# define BPP_PP_nAutoFd 0x0002
-# define BPP_PP_nInit 0x0004
-# define BPP_PP_nSelectIn 0x0008
-
-/*
- * These apply to the GET operation, which also reads the current value
- * of the previously put values. A bit mask of these will be returned
- * as a bit mask in the return code of the ioctl().
- */
-# define BPP_GP_nAck 0x0100
-# define BPP_GP_Busy 0x0200
-# define BPP_GP_PError 0x0400
-# define BPP_GP_Select 0x0800
-# define BPP_GP_nFault 0x1000
-
-#endif
+#include <asm-sparc/bpp.h>
+++ /dev/null
-/* $Id: bsderrno.h,v 1.1 1996/12/26 13:25:21 davem Exp $
- * bsderrno.h: Error numbers for NetBSD binary compatibility
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#ifndef _SPARC64_BSDERRNO_H
-#define _SPARC64_BSDERRNO_H
-
-#define BSD_EPERM 1 /* Operation not permitted */
-#define BSD_ENOENT 2 /* No such file or directory */
-#define BSD_ESRCH 3 /* No such process */
-#define BSD_EINTR 4 /* Interrupted system call */
-#define BSD_EIO 5 /* Input/output error */
-#define BSD_ENXIO 6 /* Device not configured */
-#define BSD_E2BIG 7 /* Argument list too long */
-#define BSD_ENOEXEC 8 /* Exec format error */
-#define BSD_EBADF 9 /* Bad file descriptor */
-#define BSD_ECHILD 10 /* No child processes */
-#define BSD_EDEADLK 11 /* Resource deadlock avoided */
-#define BSD_ENOMEM 12 /* Cannot allocate memory */
-#define BSD_EACCES 13 /* Permission denied */
-#define BSD_EFAULT 14 /* Bad address */
-#define BSD_ENOTBLK 15 /* Block device required */
-#define BSD_EBUSY 16 /* Device busy */
-#define BSD_EEXIST 17 /* File exists */
-#define BSD_EXDEV 18 /* Cross-device link */
-#define BSD_ENODEV 19 /* Operation not supported by device */
-#define BSD_ENOTDIR 20 /* Not a directory */
-#define BSD_EISDIR 21 /* Is a directory */
-#define BSD_EINVAL 22 /* Invalid argument */
-#define BSD_ENFILE 23 /* Too many open files in system */
-#define BSD_EMFILE 24 /* Too many open files */
-#define BSD_ENOTTY 25 /* Inappropriate ioctl for device */
-#define BSD_ETXTBSY 26 /* Text file busy */
-#define BSD_EFBIG 27 /* File too large */
-#define BSD_ENOSPC 28 /* No space left on device */
-#define BSD_ESPIPE 29 /* Illegal seek */
-#define BSD_EROFS 30 /* Read-only file system */
-#define BSD_EMLINK 31 /* Too many links */
-#define BSD_EPIPE 32 /* Broken pipe */
-#define BSD_EDOM 33 /* Numerical argument out of domain */
-#define BSD_ERANGE 34 /* Result too large */
-#define BSD_EAGAIN 35 /* Resource temporarily unavailable */
-#define BSD_EWOULDBLOCK EAGAIN /* Operation would block */
-#define BSD_EINPROGRESS 36 /* Operation now in progress */
-#define BSD_EALREADY 37 /* Operation already in progress */
-#define BSD_ENOTSOCK 38 /* Socket operation on non-socket */
-#define BSD_EDESTADDRREQ 39 /* Destination address required */
-#define BSD_EMSGSIZE 40 /* Message too long */
-#define BSD_EPROTOTYPE 41 /* Protocol wrong type for socket */
-#define BSD_ENOPROTOOPT 42 /* Protocol not available */
-#define BSD_EPROTONOSUPPORT 43 /* Protocol not supported */
-#define BSD_ESOCKTNOSUPPORT 44 /* Socket type not supported */
-#define BSD_EOPNOTSUPP 45 /* Operation not supported */
-#define BSD_EPFNOSUPPORT 46 /* Protocol family not supported */
-#define BSD_EAFNOSUPPORT 47 /* Address family not supported by protocol family */
-#define BSD_EADDRINUSE 48 /* Address already in use */
-#define BSD_EADDRNOTAVAIL 49 /* Can't assign requested address */
-#define BSD_ENETDOWN 50 /* Network is down */
-#define BSD_ENETUNREACH 51 /* Network is unreachable */
-#define BSD_ENETRESET 52 /* Network dropped connection on reset */
-#define BSD_ECONNABORTED 53 /* Software caused connection abort */
-#define BSD_ECONNRESET 54 /* Connection reset by peer */
-#define BSD_ENOBUFS 55 /* No buffer space available */
-#define BSD_EISCONN 56 /* Socket is already connected */
-#define BSD_ENOTCONN 57 /* Socket is not connected */
-#define BSD_ESHUTDOWN 58 /* Can't send after socket shutdown */
-#define BSD_ETOOMANYREFS 59 /* Too many references: can't splice */
-#define BSD_ETIMEDOUT 60 /* Operation timed out */
-#define BSD_ECONNREFUSED 61 /* Connection refused */
-#define BSD_ELOOP 62 /* Too many levels of symbolic links */
-#define BSD_ENAMETOOLONG 63 /* File name too long */
-#define BSD_EHOSTDOWN 64 /* Host is down */
-#define BSD_EHOSTUNREACH 65 /* No route to host */
-#define BSD_ENOTEMPTY 66 /* Directory not empty */
-#define BSD_EPROCLIM 67 /* Too many processes */
-#define BSD_EUSERS 68 /* Too many users */
-#define BSD_EDQUOT 69 /* Disc quota exceeded */
-#define BSD_ESTALE 70 /* Stale NFS file handle */
-#define BSD_EREMOTE 71 /* Too many levels of remote in path */
-#define BSD_EBADRPC 72 /* RPC struct is bad */
-#define BSD_ERPCMISMATCH 73 /* RPC version wrong */
-#define BSD_EPROGUNAVAIL 74 /* RPC prog. not avail */
-#define BSD_EPROGMISMATCH 75 /* Program version wrong */
-#define BSD_EPROCUNAVAIL 76 /* Bad procedure for program */
-#define BSD_ENOLCK 77 /* No locks available */
-#define BSD_ENOSYS 78 /* Function not implemented */
-#define BSD_EFTYPE 79 /* Inappropriate file type or format */
-#define BSD_EAUTH 80 /* Authentication error */
-#define BSD_ENEEDAUTH 81 /* Need authenticator */
-#define BSD_ELAST 81 /* Must be equal largest errno */
-
-#endif /* !(_SPARC64_BSDERRNO_H) */
-#ifndef _SPARC64_BUG_H
-#define _SPARC64_BUG_H
-
-#ifdef CONFIG_BUG
-#include <linux/compiler.h>
-
-#ifdef CONFIG_DEBUG_BUGVERBOSE
-extern void do_BUG(const char *file, int line);
-#define BUG() do { \
- do_BUG(__FILE__, __LINE__); \
- __builtin_trap(); \
-} while (0)
-#else
-#define BUG() __builtin_trap()
-#endif
-
-#define HAVE_ARCH_BUG
-#endif
-
-#include <asm-generic/bug.h>
-
-#endif
+#include <asm-sparc/bug.h>
-/* bugs.h: Sparc64 probes for various bugs.
- *
- * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net)
- */
-#include <asm/sstate.h>
-
-static void __init check_bugs(void)
-{
- sstate_running();
-}
+#include <asm-sparc/bugs.h>
-#ifndef _SPARC64_BYTEORDER_H
-#define _SPARC64_BYTEORDER_H
-
-#include <asm/types.h>
-#include <asm/asi.h>
-
-#ifdef __GNUC__
-
-static inline __u16 ___arch__swab16p(const __u16 *addr)
-{
- __u16 ret;
-
- __asm__ __volatile__ ("lduha [%1] %2, %0"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PL));
- return ret;
-}
-
-static inline __u32 ___arch__swab32p(const __u32 *addr)
-{
- __u32 ret;
-
- __asm__ __volatile__ ("lduwa [%1] %2, %0"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PL));
- return ret;
-}
-
-static inline __u64 ___arch__swab64p(const __u64 *addr)
-{
- __u64 ret;
-
- __asm__ __volatile__ ("ldxa [%1] %2, %0"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PL));
- return ret;
-}
-
-#define __arch__swab16p(x) ___arch__swab16p(x)
-#define __arch__swab32p(x) ___arch__swab32p(x)
-#define __arch__swab64p(x) ___arch__swab64p(x)
-
-#define __BYTEORDER_HAS_U64__
-
-#endif /* __GNUC__ */
-
-#include <linux/byteorder/big_endian.h>
-
-#endif /* _SPARC64_BYTEORDER_H */
+#include <asm-sparc/byteorder.h>
-/*
- * include/asm-sparc64/cache.h
- */
-#ifndef __ARCH_SPARC64_CACHE_H
-#define __ARCH_SPARC64_CACHE_H
-
-/* bytes per L1 cache line */
-#define L1_CACHE_SHIFT 5
-#define L1_CACHE_BYTES 32 /* Two 16-byte sub-blocks per line. */
-
-#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
-
-#define SMP_CACHE_BYTES_SHIFT 6
-#define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT) /* L2 cache line size. */
-
-#define __read_mostly __attribute__((__section__(".data.read_mostly")))
-
-#endif
+#include <asm-sparc/cache.h>
-#ifndef __SPARC64_CPUTIME_H
-#define __SPARC64_CPUTIME_H
-
-#include <asm-generic/cputime.h>
-
-#endif /* __SPARC64_CPUTIME_H */
+#include <asm-sparc/cputime.h>
-#ifndef _SPARC64_CURRENT_H
-#define _SPARC64_CURRENT_H
-
-#include <linux/thread_info.h>
-
-register struct task_struct *current asm("g4");
-
-#endif /* !(_SPARC64_CURRENT_H) */
+#include <asm-sparc/current.h>
-/*
- * Arch specific extensions to struct device
- *
- * This file is released under the GPLv2
- */
-#ifndef _ASM_SPARC64_DEVICE_H
-#define _ASM_SPARC64_DEVICE_H
-
-struct device_node;
-struct of_device;
-
-struct dev_archdata {
- void *iommu;
- void *stc;
- void *host_controller;
-
- struct device_node *prom_node;
- struct of_device *op;
-};
-
-#endif /* _ASM_SPARC64_DEVICE_H */
+#include <asm-sparc/device.h>
-#include <asm-generic/div64.h>
+#include <asm-sparc/div64.h>
-#ifndef _ASM_EMERGENCY_RESTART_H
-#define _ASM_EMERGENCY_RESTART_H
-
-#include <asm-generic/emergency-restart.h>
-
-#endif /* _ASM_EMERGENCY_RESTART_H */
+#include <asm-sparc/emergency-restart.h>
-/* $Id: errno.h,v 1.2 1997/04/15 12:46:11 jj Exp $ */
-#ifndef _SPARC64_ERRNO_H
-#define _SPARC64_ERRNO_H
-
-/* These match the SunOS error numbering scheme. */
-
-#include <asm-generic/errno-base.h>
-
-#define EWOULDBLOCK EAGAIN /* Operation would block */
-#define EINPROGRESS 36 /* Operation now in progress */
-#define EALREADY 37 /* Operation already in progress */
-#define ENOTSOCK 38 /* Socket operation on non-socket */
-#define EDESTADDRREQ 39 /* Destination address required */
-#define EMSGSIZE 40 /* Message too long */
-#define EPROTOTYPE 41 /* Protocol wrong type for socket */
-#define ENOPROTOOPT 42 /* Protocol not available */
-#define EPROTONOSUPPORT 43 /* Protocol not supported */
-#define ESOCKTNOSUPPORT 44 /* Socket type not supported */
-#define EOPNOTSUPP 45 /* Op not supported on transport endpoint */
-#define EPFNOSUPPORT 46 /* Protocol family not supported */
-#define EAFNOSUPPORT 47 /* Address family not supported by protocol */
-#define EADDRINUSE 48 /* Address already in use */
-#define EADDRNOTAVAIL 49 /* Cannot assign requested address */
-#define ENETDOWN 50 /* Network is down */
-#define ENETUNREACH 51 /* Network is unreachable */
-#define ENETRESET 52 /* Net dropped connection because of reset */
-#define ECONNABORTED 53 /* Software caused connection abort */
-#define ECONNRESET 54 /* Connection reset by peer */
-#define ENOBUFS 55 /* No buffer space available */
-#define EISCONN 56 /* Transport endpoint is already connected */
-#define ENOTCONN 57 /* Transport endpoint is not connected */
-#define ESHUTDOWN 58 /* No send after transport endpoint shutdown */
-#define ETOOMANYREFS 59 /* Too many references: cannot splice */
-#define ETIMEDOUT 60 /* Connection timed out */
-#define ECONNREFUSED 61 /* Connection refused */
-#define ELOOP 62 /* Too many symbolic links encountered */
-#define ENAMETOOLONG 63 /* File name too long */
-#define EHOSTDOWN 64 /* Host is down */
-#define EHOSTUNREACH 65 /* No route to host */
-#define ENOTEMPTY 66 /* Directory not empty */
-#define EPROCLIM 67 /* SUNOS: Too many processes */
-#define EUSERS 68 /* Too many users */
-#define EDQUOT 69 /* Quota exceeded */
-#define ESTALE 70 /* Stale NFS file handle */
-#define EREMOTE 71 /* Object is remote */
-#define ENOSTR 72 /* Device not a stream */
-#define ETIME 73 /* Timer expired */
-#define ENOSR 74 /* Out of streams resources */
-#define ENOMSG 75 /* No message of desired type */
-#define EBADMSG 76 /* Not a data message */
-#define EIDRM 77 /* Identifier removed */
-#define EDEADLK 78 /* Resource deadlock would occur */
-#define ENOLCK 79 /* No record locks available */
-#define ENONET 80 /* Machine is not on the network */
-#define ERREMOTE 81 /* SunOS: Too many lvls of remote in path */
-#define ENOLINK 82 /* Link has been severed */
-#define EADV 83 /* Advertise error */
-#define ESRMNT 84 /* Srmount error */
-#define ECOMM 85 /* Communication error on send */
-#define EPROTO 86 /* Protocol error */
-#define EMULTIHOP 87 /* Multihop attempted */
-#define EDOTDOT 88 /* RFS specific error */
-#define EREMCHG 89 /* Remote address changed */
-#define ENOSYS 90 /* Function not implemented */
-
-/* The rest have no SunOS equivalent. */
-#define ESTRPIPE 91 /* Streams pipe error */
-#define EOVERFLOW 92 /* Value too large for defined data type */
-#define EBADFD 93 /* File descriptor in bad state */
-#define ECHRNG 94 /* Channel number out of range */
-#define EL2NSYNC 95 /* Level 2 not synchronized */
-#define EL3HLT 96 /* Level 3 halted */
-#define EL3RST 97 /* Level 3 reset */
-#define ELNRNG 98 /* Link number out of range */
-#define EUNATCH 99 /* Protocol driver not attached */
-#define ENOCSI 100 /* No CSI structure available */
-#define EL2HLT 101 /* Level 2 halted */
-#define EBADE 102 /* Invalid exchange */
-#define EBADR 103 /* Invalid request descriptor */
-#define EXFULL 104 /* Exchange full */
-#define ENOANO 105 /* No anode */
-#define EBADRQC 106 /* Invalid request code */
-#define EBADSLT 107 /* Invalid slot */
-#define EDEADLOCK 108 /* File locking deadlock error */
-#define EBFONT 109 /* Bad font file format */
-#define ELIBEXEC 110 /* Cannot exec a shared library directly */
-#define ENODATA 111 /* No data available */
-#define ELIBBAD 112 /* Accessing a corrupted shared library */
-#define ENOPKG 113 /* Package not installed */
-#define ELIBACC 114 /* Can not access a needed shared library */
-#define ENOTUNIQ 115 /* Name not unique on network */
-#define ERESTART 116 /* Interrupted syscall should be restarted */
-#define EUCLEAN 117 /* Structure needs cleaning */
-#define ENOTNAM 118 /* Not a XENIX named type file */
-#define ENAVAIL 119 /* No XENIX semaphores available */
-#define EISNAM 120 /* Is a named type file */
-#define EREMOTEIO 121 /* Remote I/O error */
-#define EILSEQ 122 /* Illegal byte sequence */
-#define ELIBMAX 123 /* Atmpt to link in too many shared libs */
-#define ELIBSCN 124 /* .lib section in a.out corrupted */
-
-#define ENOMEDIUM 125 /* No medium found */
-#define EMEDIUMTYPE 126 /* Wrong medium type */
-#define ECANCELED 127 /* Operation Cancelled */
-#define ENOKEY 128 /* Required key not available */
-#define EKEYEXPIRED 129 /* Key has expired */
-#define EKEYREVOKED 130 /* Key has been revoked */
-#define EKEYREJECTED 131 /* Key was rejected by service */
-
-/* for robust mutexes */
-#define EOWNERDEAD 132 /* Owner died */
-#define ENOTRECOVERABLE 133 /* State not recoverable */
-
-#endif /* !(_SPARC64_ERRNO_H) */
+#include <asm-sparc/errno.h>
-#ifndef _ASM_FB_H_
-#define _ASM_FB_H_
-#include <linux/fb.h>
-#include <linux/fs.h>
-#include <asm/page.h>
-#include <asm/prom.h>
-
-static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
- unsigned long off)
-{
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-}
-
-static inline int fb_is_primary_device(struct fb_info *info)
-{
- struct device *dev = info->device;
- struct device_node *node;
-
- node = dev->archdata.prom_node;
- if (node &&
- node == of_console_device)
- return 1;
-
- return 0;
-}
-
-#endif /* _ASM_FB_H_ */
+#include <asm-sparc/fb.h>
/* BIO layer definitions. */
extern unsigned long kern_base, kern_size;
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
-#define BIO_VMERGE_BOUNDARY 0
+#define BIO_VMERGE_BOUNDARY 8192
static inline u8 _inb(unsigned long addr)
{
struct iommu {
spinlock_t lock;
struct iommu_arena arena;
+ void (*flush_all)(struct iommu *);
iopte_t *page_table;
u32 page_table_map_base;
unsigned long iommu_control;
#define arch_remove_kprobe(p) do {} while (0)
+#define ARCH_SUPPORTS_KRETPROBES
+
#define flush_insn_slot(p) \
do { flushi(&(p)->ainsn.insn[0]); \
flushi(&(p)->ainsn.insn[1]); \
} while (0)
+void kretprobe_trampoline(void);
+
/* Architecture specific copy of original instruction*/
struct arch_specific_insn {
/* copy of the original instruction */
-#ifndef _ASM_SPARC64_OF_DEVICE_H
-#define _ASM_SPARC64_OF_DEVICE_H
-#ifdef __KERNEL__
-
-#include <linux/device.h>
-#include <linux/of.h>
-#include <linux/mod_devicetable.h>
-#include <asm/openprom.h>
-
-/*
- * The of_device is a kind of "base class" that is a superset of
- * struct device for use by devices attached to an OF node and
- * probed using OF properties.
- */
-struct of_device
-{
- struct device_node *node;
- struct device dev;
- struct resource resource[PROMREG_MAX];
- unsigned int irqs[PROMINTR_MAX];
- int num_irqs;
-
- void *sysdata;
-
- int slot;
- int portid;
- int clock_freq;
-};
-
-extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
-extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
-
-/* These are just here during the transition */
-#include <linux/of_device.h>
-#include <linux/of_platform.h>
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_SPARC64_OF_DEVICE_H */
+#include <asm-sparc/of_device.h>
#define of_bus_type of_platform_bus_type /* for compatibility */
-extern struct of_device *of_platform_device_create(struct device_node *np,
- const char *bus_id,
- struct device *parent,
- struct bus_type *bus);
-
#endif /* _ASM_SPARC64_OF_PLATFORM_H */
-#ifndef _SPARC64_PROM_H
-#define _SPARC64_PROM_H
-#ifdef __KERNEL__
-
-/*
- * Definitions for talking to the Open Firmware PROM on
- * Power Macintosh computers.
- *
- * Copyright (C) 1996-2005 Paul Mackerras.
- *
- * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
- * Updates for SPARC64 by David S. Miller
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <linux/types.h>
-#include <linux/proc_fs.h>
-#include <asm/atomic.h>
-
-#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
-#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
-
-#define of_compat_cmp(s1, s2, l) strncmp((s1), (s2), (l))
-#define of_prop_cmp(s1, s2) strcasecmp((s1), (s2))
-#define of_node_cmp(s1, s2) strcmp((s1), (s2))
-
-typedef u32 phandle;
-typedef u32 ihandle;
-
-struct property {
- char *name;
- int length;
- void *value;
- struct property *next;
- unsigned long _flags;
- unsigned int unique_id;
-};
-
-struct of_irq_controller;
-struct device_node {
- const char *name;
- const char *type;
- phandle node;
- char *path_component_name;
- char *full_name;
-
- struct property *properties;
- struct property *deadprops; /* removed properties */
- struct device_node *parent;
- struct device_node *child;
- struct device_node *sibling;
- struct device_node *next; /* next device of same type */
- struct device_node *allnext; /* next in list of all nodes */
- struct proc_dir_entry *pde; /* this node's proc directory */
- struct kref kref;
- unsigned long _flags;
- void *data;
- unsigned int unique_id;
-
- struct of_irq_controller *irq_trans;
-};
-
-struct of_irq_controller {
- unsigned int (*irq_build)(struct device_node *, unsigned int, void *);
- void *data;
-};
-
-#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
-#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
-
-extern struct device_node *of_find_node_by_cpuid(int cpuid);
-extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
-extern int of_getintprop_default(struct device_node *np,
- const char *name,
- int def);
-extern int of_find_in_proplist(const char *list, const char *match, int len);
-
-extern void prom_build_devicetree(void);
-
-/* Dummy ref counting routines - to be implemented later */
-static inline struct device_node *of_node_get(struct device_node *node)
-{
- return node;
-}
-static inline void of_node_put(struct device_node *node)
-{
-}
-
-/*
- * NB: This is here while we transition from using asm/prom.h
- * to linux/of.h
- */
-#include <linux/of.h>
-
-extern struct device_node *of_console_device;
-extern char *of_console_path;
-extern char *of_console_options;
-
-#endif /* __KERNEL__ */
-#endif /* _SPARC64_PROM_H */
+#include <asm-sparc/prom.h>
git.samba.org / sfrench / cifs-2.6.git / commitdiff