arch_msm7k/smem.c

/*
 * Copyright (c) 2008, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the 
 *    distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

struct smem_heap_info
{
	unsigned initialized;
	unsigned free_offset;
	unsigned heap_remaining;
	unsigned reserved;
};

struct smem_heap_entry
{
	unsigned allocated;
	unsigned offset;
	unsigned size;
	unsigned reserved;
};

struct smem_proc_comm
{
	unsigned command;
	unsigned status;
	unsigned data1;
	unsigned data2;
};

struct smem_shared
{
	struct smem_proc_comm proc_comm[4];
	unsigned version[32];
	struct smem_heap_info heap_info;
	struct smem_heap_entry heap_toc[128];
};	
	
struct smsm_shared
{
	unsigned host;
	unsigned state;
};

#define SZ_DIAG_ERR_MSG 0xC8
#define ID_DIAG_ERR_MSG 6
#define ID_HEAP_INFO    3
#define ID_SMD_CHANNELS 13
#define ID_SHARED_STATE 82


void dump_smem_info(void)
{
    unsigned n;
    struct smem_heap_entry *he;
    struct smem_shared *shared = (void*) 0x01f00000;
    dprintf("--- smem info ---\n");
    
    dprintf("heap: init=%x free=%x remain=%x\n",
            shared->heap_info.initialized,
            shared->heap_info.free_offset,
            shared->heap_info.heap_remaining);
    
    he = shared->heap_toc;
    for(n = 0; n < 128; n++) {
        if(he->allocated) {
            dprintf("%x: alloc=%x offset=%x size=%x\n",
                    n, he->allocated, he->offset, he->size);
        }
        he++;
    }
}