Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / include / libopenbios / ofmem.h

diff --git a/qemu/roms/openbios/include/libopenbios/ofmem.h b/qemu/roms/openbios/include/libopenbios/ofmem.h
new file mode 100644 (file)
index 0000000..0b19db1
--- /dev/null
+++ b/qemu/roms/openbios/include/libopenbios/ofmem.h
@@ -0,0 +1,145 @@
+/*
+ *   Creation Date: <1999/11/16 00:47:06 samuel>
+ *   Time-stamp: <2003/10/18 13:28:14 samuel>
+ *
+ *     <ofmem.h>
+ *
+ *
+ *
+ *   Copyright (C) 1999, 2002 Samuel Rydh (samuel@ibrium.se)
+ *
+ *   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
+ *
+ */
+
+#ifndef _H_OFMEM
+#define _H_OFMEM
+
+#include "kernel/stack.h"
+
+typedef struct alloc_desc {
+       struct alloc_desc       *next;
+       ucell                   size;                   /* size (including) this struct */
+} alloc_desc_t;
+
+typedef struct mem_range {
+       struct mem_range        *next;
+       phys_addr_t             start;                  /* sizeof(phys) >= sizeof(virt), e.g SPARC32 */
+       ucell                   size;
+} range_t;
+
+typedef struct trans {
+       struct trans            *next;
+       ucell                   virt;                   /* chain is sorted by virt */
+       ucell                   size;
+       phys_addr_t             phys;
+       ucell                   mode;
+} translation_t;
+
+/* ofmem private data */
+typedef struct {
+       ucell                   ramsize;
+       char                    *next_malloc;
+       alloc_desc_t    *mfree;         /* list of free malloc blocks */
+
+       range_t                 *phys_range;
+       range_t                 *virt_range;
+       range_t                 *io_range;
+
+       translation_t   *trans;         /* this is really a translation_t */
+} ofmem_t;
+
+/* structure for retained data */
+typedef struct {
+       ucell                   magic;
+       ucell                   numentries;
+       range_t                 retain_phys_range[8];   /* physical memory that should survive a warm reset */
+} retain_t;
+
+/* TODO: temporary migration interface */
+extern ofmem_t*        ofmem_arch_get_private(void);
+extern void*           ofmem_arch_get_malloc_base(void);
+extern ucell           ofmem_arch_get_heap_top(void);
+extern ucell           ofmem_arch_get_virt_top(void);
+extern ucell           ofmem_arch_get_iomem_base(void);
+extern ucell           ofmem_arch_get_iomem_top(void);
+extern retain_t*       ofmem_arch_get_retained(void);
+extern int             ofmem_arch_get_physaddr_cellsize(void);
+extern int             ofmem_arch_encode_physaddr(ucell *p, phys_addr_t value);
+extern int             ofmem_arch_get_available_entry_size(phandle_t ph);
+extern void            ofmem_arch_create_available_entry(phandle_t ph, ucell *availentry, phys_addr_t start, ucell size);
+extern int             ofmem_arch_get_translation_entry_size(void);
+extern void            ofmem_arch_create_translation_entry(ucell *transentry, translation_t *t);
+extern ucell           ofmem_arch_default_translation_mode( phys_addr_t phys );
+extern ucell           ofmem_arch_io_translation_mode( phys_addr_t phys );
+extern void            ofmem_arch_map_pages(phys_addr_t phys, ucell virt, ucell size,
+                                           ucell mode);
+extern void            ofmem_arch_unmap_pages(ucell virt, ucell size);
+/* sparc64 uses this method */
+extern int             ofmem_map_page_range( phys_addr_t phys, ucell virt, ucell size,
+                                      ucell mode );
+
+/* Private functions for mapping between physical/virtual addresses */ 
+extern phys_addr_t va2pa(unsigned long va);
+extern unsigned long pa2va(phys_addr_t pa);
+                                     
+/* malloc interface */
+extern int ofmem_posix_memalign( void **memptr, size_t alignment, size_t size );
+extern void* ofmem_malloc( size_t size );
+extern void  ofmem_free( void *ptr );
+extern void* ofmem_realloc( void *ptr, size_t size );
+
+/* ofmem_common.c */
+
+extern void    ofmem_cleanup( void );
+extern void    ofmem_init( void );
+
+/*
+ * register /memory and /virtual-memory handles
+ * ofmem module will update "available" and "translations" properties
+ * using these handles
+ *
+ * to disable updating /memory properties  pass zero memory handle
+ */
+extern void ofmem_register( phandle_t ph_memory, phandle_t ph_mmu );
+
+extern ucell ofmem_claim( ucell addr, ucell size, ucell align );
+extern phys_addr_t ofmem_claim_phys( phys_addr_t mphys, ucell size, ucell align );
+extern ucell ofmem_claim_virt( ucell mvirt, ucell size, ucell align );
+extern ucell ofmem_claim_io( ucell virt, ucell size, ucell align );
+
+extern phys_addr_t ofmem_retain( phys_addr_t phys, ucell size, ucell align );
+
+extern int   ofmem_map( phys_addr_t phys, ucell virt, ucell size, ucell mode );
+extern int   ofmem_unmap( ucell virt, ucell size );
+extern ucell ofmem_map_io( phys_addr_t phys, ucell size );
+
+extern void  ofmem_release( ucell virt, ucell size );
+extern void  ofmem_release_phys( phys_addr_t phys, ucell size );
+extern void  ofmem_release_virt( ucell virt, ucell size );
+extern void  ofmem_release_io( ucell virt, ucell size );
+extern phys_addr_t ofmem_translate( ucell virt, ucell *ret_mode );
+
+/* memory and virtual-memory nodes */
+extern phandle_t s_phandle_memory;
+extern phandle_t s_phandle_mmu;
+
+#define PAGE_SIZE    (1 << PAGE_SHIFT)
+#define PAGE_MASK    (~(PAGE_SIZE - 1))
+#define PAGE_ALIGN(addr)  (((addr) + PAGE_SIZE - 1) & PAGE_MASK)
+
+#if defined(CONFIG_DEBUG_OFMEM)
+    #define DEBUG_OFMEM 1
+#else
+    #define DEBUG_OFMEM 0
+#endif
+
+#define OFMEM_TRACE(fmt, ...) do { \
+    if (DEBUG_OFMEM) { \
+        printk("OFMEM: " fmt, ## __VA_ARGS__); \
+    } \
+} while (0);
+
+#endif   /* _H_OFMEM */