Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 206 insertions, 0 deletions

diff --git a/src/VBox/Runtime/r0drv/solaris/alloc-r0drv-solaris.c b/src/VBox/Runtime/r0drv/solaris/alloc-r0drv-solaris.c
new file mode 100644
index 00000000..37d33ab5
--- /dev/null
+++ b/src/VBox/Runtime/r0drv/solaris/alloc-r0drv-solaris.c
@@ -0,0 +1,206 @@
+/* $Id: alloc-r0drv-solaris.c $ */
+/** @file
+ * IPRT - Memory Allocation, Ring-0 Driver, Solaris.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "the-solaris-kernel.h"
+#include "internal/iprt.h"
+#include <iprt/mem.h>
+
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+#include <iprt/log.h>
+#include <iprt/param.h>
+#include <iprt/thread.h>
+#include "r0drv/alloc-r0drv.h"
+
+
+/*********************************************************************************************************************************
+*   Structures and Typedefs                                                                                                      *
+*********************************************************************************************************************************/
+static ddi_dma_attr_t s_rtR0SolDmaAttr =
+{
+    DMA_ATTR_V0,                /* Version Number */
+    (uint64_t)0,                /* Lower limit */
+    (uint64_t)0,                /* High limit */
+    (uint64_t)0xffffffff,       /* Counter limit */
+    (uint64_t)PAGESIZE,         /* Alignment */
+    (uint64_t)PAGESIZE,         /* Burst size */
+    (uint64_t)PAGESIZE,         /* Effective DMA size */
+    (uint64_t)0xffffffff,       /* Max DMA xfer size */
+    (uint64_t)0xffffffff,       /* Segment boundary */
+    1,                          /* Scatter-gather list length (1 for contiguous) */
+    1,                          /* Device granularity */
+    0                           /* Bus-specific flags */
+};
+
+extern void *contig_alloc(size_t cb, ddi_dma_attr_t *pDmaAttr, size_t uAlign, int fCanSleep);
+
+
+/**
+ * OS specific allocation function.
+ */
+DECLHIDDEN(int) rtR0MemAllocEx(size_t cb, uint32_t fFlags, PRTMEMHDR *ppHdr)
+{
+    size_t      cbAllocated = cb;
+    PRTMEMHDR   pHdr;
+
+#ifdef RT_ARCH_AMD64
+    if (fFlags & RTMEMHDR_FLAG_EXEC)
+    {
+        AssertReturn(!(fFlags & RTMEMHDR_FLAG_ANY_CTX), VERR_NOT_SUPPORTED);
+        cbAllocated = RT_ALIGN_Z(cb + sizeof(*pHdr), PAGE_SIZE) - sizeof(*pHdr);
+        pHdr = (PRTMEMHDR)segkmem_alloc(heaptext_arena, cbAllocated + sizeof(*pHdr), KM_SLEEP);
+    }
+    else
+#endif
+    {
+        unsigned fKmFlags = fFlags & RTMEMHDR_FLAG_ANY_CTX_ALLOC ? KM_NOSLEEP : KM_SLEEP;
+        if (fFlags & RTMEMHDR_FLAG_ZEROED)
+            pHdr = (PRTMEMHDR)kmem_zalloc(cb + sizeof(*pHdr), fKmFlags);
+        else
+            pHdr = (PRTMEMHDR)kmem_alloc(cb + sizeof(*pHdr), fKmFlags);
+    }
+    if (RT_UNLIKELY(!pHdr))
+    {
+        LogRel(("rtMemAllocEx(%u, %#x) failed\n", (unsigned)cb + sizeof(*pHdr), fFlags));
+        return VERR_NO_MEMORY;
+    }
+
+    pHdr->u32Magic  = RTMEMHDR_MAGIC;
+    pHdr->fFlags    = fFlags;
+    pHdr->cb        = cbAllocated;
+    pHdr->cbReq     = cb;
+
+    *ppHdr = pHdr;
+    return VINF_SUCCESS;
+}
+
+
+/**
+ * OS specific free function.
+ */
+DECLHIDDEN(void) rtR0MemFree(PRTMEMHDR pHdr)
+{
+    pHdr->u32Magic += 1;
+#ifdef RT_ARCH_AMD64
+    if (pHdr->fFlags & RTMEMHDR_FLAG_EXEC)
+        segkmem_free(heaptext_arena, pHdr, pHdr->cb + sizeof(*pHdr));
+    else
+#endif
+        kmem_free(pHdr, pHdr->cb + sizeof(*pHdr));
+}
+
+
+/**
+ * Allocates physical memory which satisfy the given constraints.
+ *
+ * @param   uPhysHi        The upper physical address limit (inclusive).
+ * @param   puPhys         Where to store the physical address of the allocated
+ *                         memory. Optional, can be NULL.
+ * @param   cb             Size of allocation.
+ * @param   uAlignment     Alignment.
+ * @param   fContig        Whether the memory must be physically contiguous or
+ *                         not.
+ *
+ * @returns Virtual address of allocated memory block or NULL if allocation
+ *        failed.
+ */
+DECLHIDDEN(void *) rtR0SolMemAlloc(uint64_t uPhysHi, uint64_t *puPhys, size_t cb, uint64_t uAlignment, bool fContig)
+{
+    if ((cb & PAGEOFFSET) != 0)
+        return NULL;
+
+    size_t cPages = (cb + PAGESIZE - 1) >> PAGESHIFT;
+    if (!cPages)
+        return NULL;
+
+    ddi_dma_attr_t DmaAttr = s_rtR0SolDmaAttr;
+    DmaAttr.dma_attr_addr_hi    = uPhysHi;
+    DmaAttr.dma_attr_align      = uAlignment;
+    if (!fContig)
+        DmaAttr.dma_attr_sgllen = cPages > INT_MAX ? INT_MAX - 1 : cPages;
+    else
+        AssertRelease(DmaAttr.dma_attr_sgllen == 1);
+
+    void *pvMem = contig_alloc(cb, &DmaAttr, PAGESIZE, 1 /* can sleep */);
+    if (!pvMem)
+    {
+        LogRel(("rtR0SolMemAlloc failed. cb=%u Align=%u fContig=%d\n", (unsigned)cb, (unsigned)uAlignment, fContig));
+        return NULL;
+    }
+
+    pfn_t PageFrameNum = hat_getpfnum(kas.a_hat, (caddr_t)pvMem);
+    AssertRelease(PageFrameNum != PFN_INVALID);
+    if (puPhys)
+        *puPhys = (uint64_t)PageFrameNum << PAGESHIFT;
+
+    return pvMem;
+}
+
+
+/**
+ * Frees memory allocated using rtR0SolMemAlloc().
+ *
+ * @param   pv         The memory to free.
+ * @param   cb         Size of the memory block
+ */
+DECLHIDDEN(void) rtR0SolMemFree(void *pv, size_t cb)
+{
+    if (RT_LIKELY(pv))
+        g_pfnrtR0Sol_contig_free(pv, cb);
+}
+
+
+RTR0DECL(void *) RTMemContAlloc(PRTCCPHYS pPhys, size_t cb)
+{
+    AssertPtrReturn(pPhys, NULL);
+    AssertReturn(cb > 0, NULL);
+    RT_ASSERT_PREEMPTIBLE();
+
+    /* Allocate physically contiguous (< 4GB) page-aligned memory. */
+    uint64_t uPhys;
+    void *pvMem = rtR0SolMemAlloc((uint64_t)_4G - 1, &uPhys, cb, PAGESIZE, true /* fContig */);
+    if (RT_UNLIKELY(!pvMem))
+    {
+        LogRel(("RTMemContAlloc failed to allocate %u bytes\n", cb));
+        return NULL;
+    }
+
+    Assert(uPhys < _4G);
+    *pPhys = uPhys;
+    return pvMem;
+}
+
+
+RTR0DECL(void) RTMemContFree(void *pv, size_t cb)
+{
+    RT_ASSERT_PREEMPTIBLE();
+    rtR0SolMemFree(pv, cb);
+}
+