staging: tidspbridge - remove dmm custom module
Dmm custom module is not needed anymore. Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
parent
b1ced160af
commit
2ab573487a
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@ -5,7 +5,7 @@ libcore = core/chnl_sm.o core/msg_sm.o core/io_sm.o core/tiomap3430.o \
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core/tiomap3430_pwr.o core/tiomap_io.o core/dsp-mmu.o \
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core/ue_deh.o core/wdt.o core/dsp-clock.o core/sync.o
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libpmgr = pmgr/chnl.o pmgr/io.o pmgr/msg.o pmgr/cod.o pmgr/dev.o pmgr/dspapi.o \
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pmgr/dmm.o pmgr/cmm.o pmgr/dbll.o
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pmgr/cmm.o pmgr/dbll.o
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librmgr = rmgr/dbdcd.o rmgr/disp.o rmgr/drv.o rmgr/mgr.o rmgr/node.o \
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rmgr/proc.o rmgr/pwr.o rmgr/rmm.o rmgr/strm.o rmgr/dspdrv.o \
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rmgr/nldr.o rmgr/drv_interface.o
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@ -47,7 +47,6 @@
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/* ----------------------------------- Platform Manager */
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#include <dspbridge/dev.h>
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#include <dspbridge/dspapi.h>
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#include <dspbridge/dmm.h>
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#include <dspbridge/wdt.h>
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/* ----------------------------------- Local */
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@ -27,7 +27,6 @@
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#include <dspbridge/nodedefs.h>
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#include <dspbridge/dispdefs.h>
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#include <dspbridge/dspdefs.h>
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#include <dspbridge/dmm.h>
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#include <dspbridge/host_os.h>
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/* ----------------------------------- This */
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@ -233,29 +232,6 @@ extern int dev_get_chnl_mgr(struct dev_object *hdev_obj,
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extern int dev_get_cmm_mgr(struct dev_object *hdev_obj,
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struct cmm_object **mgr);
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/*
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* ======== dev_get_dmm_mgr ========
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* Purpose:
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* Retrieve the handle to the dynamic memory manager created for this
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* device.
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* Parameters:
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* hdev_obj: Handle to device object created with
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* dev_create_device().
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* *mgr: Ptr to location to store handle.
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* Returns:
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* 0: Success.
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* -EFAULT: Invalid hdev_obj.
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* Requires:
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* mgr != NULL.
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* DEV Initialized.
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* Ensures:
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* 0: *mgr contains a handle to a channel manager object,
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* or NULL.
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* else: *mgr is NULL.
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*/
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extern int dev_get_dmm_mgr(struct dev_object *hdev_obj,
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struct dmm_object **mgr);
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/*
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* ======== dev_get_cod_mgr ========
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* Purpose:
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@ -1,75 +0,0 @@
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/*
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* dmm.h
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*
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* DSP-BIOS Bridge driver support functions for TI OMAP processors.
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*
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* The Dynamic Memory Mapping(DMM) module manages the DSP Virtual address
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* space that can be directly mapped to any MPU buffer or memory region.
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*
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* Copyright (C) 2005-2006 Texas Instruments, Inc.
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*
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* This package is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef DMM_
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#define DMM_
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#include <dspbridge/dbdefs.h>
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struct dmm_object;
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/* DMM attributes used in dmm_create() */
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struct dmm_mgrattrs {
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u32 reserved;
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};
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#define DMMPOOLSIZE 0x4000000
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/*
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* ======== dmm_get_handle ========
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* Purpose:
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* Return the dynamic memory manager object for this device.
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* This is typically called from the client process.
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*/
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extern int dmm_get_handle(void *hprocessor,
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struct dmm_object **dmm_manager);
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extern int dmm_reserve_memory(struct dmm_object *dmm_mgr,
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u32 size, u32 *prsv_addr);
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extern int dmm_un_reserve_memory(struct dmm_object *dmm_mgr,
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u32 rsv_addr);
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extern int dmm_map_memory(struct dmm_object *dmm_mgr, u32 addr,
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u32 size);
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extern int dmm_un_map_memory(struct dmm_object *dmm_mgr,
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u32 addr, u32 *psize);
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extern int dmm_destroy(struct dmm_object *dmm_mgr);
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extern int dmm_delete_tables(struct dmm_object *dmm_mgr);
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extern int dmm_create(struct dmm_object **dmm_manager,
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struct dev_object *hdev_obj,
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const struct dmm_mgrattrs *mgr_attrts);
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extern bool dmm_init(void);
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extern void dmm_exit(void);
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extern int dmm_create_tables(struct dmm_object *dmm_mgr,
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u32 addr, u32 size);
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#ifdef DSP_DMM_DEBUG
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u32 dmm_mem_map_dump(struct dmm_object *dmm_mgr);
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#endif
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#endif /* DMM_ */
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@ -108,12 +108,6 @@ struct dmm_map_object {
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struct bridge_dma_map_info dma_info;
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};
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/* Used for DMM reserved memory accounting */
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struct dmm_rsv_object {
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struct list_head link;
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u32 dsp_reserved_addr;
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};
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/* New structure (member of process context) abstracts DMM resource info */
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struct dspheap_res_object {
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s32 heap_allocated; /* DMM status */
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@ -34,7 +34,6 @@
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#include <dspbridge/cod.h>
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#include <dspbridge/drv.h>
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#include <dspbridge/proc.h>
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#include <dspbridge/dmm.h>
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/* ----------------------------------- Resource Manager */
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#include <dspbridge/mgr.h>
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@ -75,7 +74,6 @@ struct dev_object {
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struct msg_mgr *hmsg_mgr; /* Message manager. */
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struct io_mgr *hio_mgr; /* IO manager (CHNL, msg_ctrl) */
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struct cmm_object *hcmm_mgr; /* SM memory manager. */
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struct dmm_object *dmm_mgr; /* Dynamic memory manager. */
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struct ldr_module *module_obj; /* Bridge Module handle. */
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u32 word_size; /* DSP word size: quick access. */
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struct drv_object *hdrv_obj; /* Driver Object */
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@ -250,9 +248,6 @@ int dev_create_device(struct dev_object **device_obj,
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/* Instantiate the DEH module */
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status = bridge_deh_create(&dev_obj->hdeh_mgr, dev_obj);
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}
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/* Create DMM mgr . */
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status = dmm_create(&dev_obj->dmm_mgr,
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(struct dev_object *)dev_obj, NULL);
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}
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/* Add the new DEV_Object to the global list: */
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if (!status) {
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@ -278,8 +273,6 @@ leave:
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kfree(dev_obj->proc_list);
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if (dev_obj->cod_mgr)
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cod_delete(dev_obj->cod_mgr);
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if (dev_obj->dmm_mgr)
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dmm_destroy(dev_obj->dmm_mgr);
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kfree(dev_obj);
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}
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@ -389,11 +382,6 @@ int dev_destroy_device(struct dev_object *hdev_obj)
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dev_obj->hcmm_mgr = NULL;
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}
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if (dev_obj->dmm_mgr) {
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dmm_destroy(dev_obj->dmm_mgr);
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dev_obj->dmm_mgr = NULL;
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}
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/* Call the driver's bridge_dev_destroy() function: */
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/* Require of DevDestroy */
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if (dev_obj->hbridge_context) {
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@ -473,32 +461,6 @@ int dev_get_cmm_mgr(struct dev_object *hdev_obj,
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return status;
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}
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/*
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* ======== dev_get_dmm_mgr ========
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* Purpose:
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* Retrieve the handle to the dynamic memory manager created for this
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* device.
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*/
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int dev_get_dmm_mgr(struct dev_object *hdev_obj,
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struct dmm_object **mgr)
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{
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int status = 0;
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struct dev_object *dev_obj = hdev_obj;
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DBC_REQUIRE(refs > 0);
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DBC_REQUIRE(mgr != NULL);
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if (hdev_obj) {
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*mgr = dev_obj->dmm_mgr;
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} else {
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*mgr = NULL;
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status = -EFAULT;
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}
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DBC_ENSURE(!status || (mgr != NULL && *mgr == NULL));
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return status;
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}
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/*
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* ======== dev_get_cod_mgr ========
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* Purpose:
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@ -751,10 +713,8 @@ void dev_exit(void)
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refs--;
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if (refs == 0) {
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if (refs == 0)
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cmm_exit();
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dmm_exit();
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}
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DBC_ENSURE(refs >= 0);
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}
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@ -766,25 +726,12 @@ void dev_exit(void)
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*/
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bool dev_init(void)
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{
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bool cmm_ret, dmm_ret, ret = true;
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bool ret = true;
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DBC_REQUIRE(refs >= 0);
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if (refs == 0) {
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cmm_ret = cmm_init();
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dmm_ret = dmm_init();
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ret = cmm_ret && dmm_ret;
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if (!ret) {
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if (cmm_ret)
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cmm_exit();
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if (dmm_ret)
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dmm_exit();
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}
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}
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if (refs == 0)
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ret = cmm_init();
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if (ret)
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refs++;
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@ -1,533 +0,0 @@
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/*
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* dmm.c
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*
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* DSP-BIOS Bridge driver support functions for TI OMAP processors.
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*
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* The Dynamic Memory Manager (DMM) module manages the DSP Virtual address
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* space that can be directly mapped to any MPU buffer or memory region
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*
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* Notes:
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* Region: Generic memory entitiy having a start address and a size
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* Chunk: Reserved region
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*
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* Copyright (C) 2005-2006 Texas Instruments, Inc.
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*
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* This package is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include <linux/types.h>
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/* ----------------------------------- Host OS */
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#include <dspbridge/host_os.h>
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/* ----------------------------------- DSP/BIOS Bridge */
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#include <dspbridge/dbdefs.h>
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/* ----------------------------------- Trace & Debug */
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#include <dspbridge/dbc.h>
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/* ----------------------------------- OS Adaptation Layer */
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#include <dspbridge/sync.h>
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/* ----------------------------------- Platform Manager */
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#include <dspbridge/dev.h>
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#include <dspbridge/proc.h>
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/* ----------------------------------- This */
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#include <dspbridge/dmm.h>
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/* ----------------------------------- Defines, Data Structures, Typedefs */
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#define DMM_ADDR_VIRTUAL(a) \
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(((struct map_page *)(a) - virtual_mapping_table) * PG_SIZE4K +\
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dyn_mem_map_beg)
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#define DMM_ADDR_TO_INDEX(a) (((a) - dyn_mem_map_beg) / PG_SIZE4K)
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/* DMM Mgr */
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struct dmm_object {
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/* Dmm Lock is used to serialize access mem manager for
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* multi-threads. */
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spinlock_t dmm_lock; /* Lock to access dmm mgr */
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};
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/* ----------------------------------- Globals */
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static u32 refs; /* module reference count */
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struct map_page {
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u32 region_size:15;
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u32 mapped_size:15;
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u32 reserved:1;
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u32 mapped:1;
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};
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/* Create the free list */
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static struct map_page *virtual_mapping_table;
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static u32 free_region; /* The index of free region */
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static u32 free_size;
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static u32 dyn_mem_map_beg; /* The Beginning of dynamic memory mapping */
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static u32 table_size; /* The size of virt and phys pages tables */
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/* ----------------------------------- Function Prototypes */
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static struct map_page *get_region(u32 addr);
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static struct map_page *get_free_region(u32 len);
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static struct map_page *get_mapped_region(u32 addrs);
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/* ======== dmm_create_tables ========
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* Purpose:
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* Create table to hold the information of physical address
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* the buffer pages that is passed by the user, and the table
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* to hold the information of the virtual memory that is reserved
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* for DSP.
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*/
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int dmm_create_tables(struct dmm_object *dmm_mgr, u32 addr, u32 size)
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{
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struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
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int status = 0;
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status = dmm_delete_tables(dmm_obj);
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if (!status) {
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dyn_mem_map_beg = addr;
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table_size = PG_ALIGN_HIGH(size, PG_SIZE4K) / PG_SIZE4K;
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/* Create the free list */
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virtual_mapping_table = __vmalloc(table_size *
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sizeof(struct map_page), GFP_KERNEL |
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__GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL);
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if (virtual_mapping_table == NULL)
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status = -ENOMEM;
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else {
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/* On successful allocation,
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* all entries are zero ('free') */
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free_region = 0;
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free_size = table_size * PG_SIZE4K;
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virtual_mapping_table[0].region_size = table_size;
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}
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}
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if (status)
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pr_err("%s: failure, status 0x%x\n", __func__, status);
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return status;
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}
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/*
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* ======== dmm_create ========
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* Purpose:
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* Create a dynamic memory manager object.
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*/
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int dmm_create(struct dmm_object **dmm_manager,
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struct dev_object *hdev_obj,
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const struct dmm_mgrattrs *mgr_attrts)
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{
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struct dmm_object *dmm_obj = NULL;
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int status = 0;
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DBC_REQUIRE(refs > 0);
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DBC_REQUIRE(dmm_manager != NULL);
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*dmm_manager = NULL;
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/* create, zero, and tag a cmm mgr object */
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dmm_obj = kzalloc(sizeof(struct dmm_object), GFP_KERNEL);
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if (dmm_obj != NULL) {
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spin_lock_init(&dmm_obj->dmm_lock);
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*dmm_manager = dmm_obj;
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} else {
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status = -ENOMEM;
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}
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return status;
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}
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/*
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* ======== dmm_destroy ========
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* Purpose:
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* Release the communication memory manager resources.
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*/
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int dmm_destroy(struct dmm_object *dmm_mgr)
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{
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struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
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int status = 0;
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DBC_REQUIRE(refs > 0);
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if (dmm_mgr) {
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status = dmm_delete_tables(dmm_obj);
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if (!status)
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kfree(dmm_obj);
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} else
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status = -EFAULT;
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return status;
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}
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/*
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* ======== dmm_delete_tables ========
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* Purpose:
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* Delete DMM Tables.
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*/
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int dmm_delete_tables(struct dmm_object *dmm_mgr)
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{
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int status = 0;
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DBC_REQUIRE(refs > 0);
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/* Delete all DMM tables */
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if (dmm_mgr)
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vfree(virtual_mapping_table);
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else
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status = -EFAULT;
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return status;
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}
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/*
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* ======== dmm_exit ========
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* Purpose:
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* Discontinue usage of module; free resources when reference count
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* reaches 0.
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*/
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void dmm_exit(void)
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{
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DBC_REQUIRE(refs > 0);
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refs--;
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}
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/*
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* ======== dmm_get_handle ========
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* Purpose:
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* Return the dynamic memory manager object for this device.
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* This is typically called from the client process.
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*/
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int dmm_get_handle(void *hprocessor, struct dmm_object **dmm_manager)
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{
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int status = 0;
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struct dev_object *hdev_obj;
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DBC_REQUIRE(refs > 0);
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DBC_REQUIRE(dmm_manager != NULL);
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if (hprocessor != NULL)
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status = proc_get_dev_object(hprocessor, &hdev_obj);
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else
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||||
hdev_obj = dev_get_first(); /* default */
|
||||
|
||||
if (!status)
|
||||
status = dev_get_dmm_mgr(hdev_obj, dmm_manager);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/*
|
||||
* ======== dmm_init ========
|
||||
* Purpose:
|
||||
* Initializes private state of DMM module.
|
||||
*/
|
||||
bool dmm_init(void)
|
||||
{
|
||||
bool ret = true;
|
||||
|
||||
DBC_REQUIRE(refs >= 0);
|
||||
|
||||
if (ret)
|
||||
refs++;
|
||||
|
||||
DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0)));
|
||||
|
||||
virtual_mapping_table = NULL;
|
||||
table_size = 0;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* ======== dmm_map_memory ========
|
||||
* Purpose:
|
||||
* Add a mapping block to the reserved chunk. DMM assumes that this block
|
||||
* will be mapped in the DSP/IVA's address space. DMM returns an error if a
|
||||
* mapping overlaps another one. This function stores the info that will be
|
||||
* required later while unmapping the block.
|
||||
*/
|
||||
int dmm_map_memory(struct dmm_object *dmm_mgr, u32 addr, u32 size)
|
||||
{
|
||||
struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
|
||||
struct map_page *chunk;
|
||||
int status = 0;
|
||||
|
||||
spin_lock(&dmm_obj->dmm_lock);
|
||||
/* Find the Reserved memory chunk containing the DSP block to
|
||||
* be mapped */
|
||||
chunk = (struct map_page *)get_region(addr);
|
||||
if (chunk != NULL) {
|
||||
/* Mark the region 'mapped', leave the 'reserved' info as-is */
|
||||
chunk->mapped = true;
|
||||
chunk->mapped_size = (size / PG_SIZE4K);
|
||||
} else
|
||||
status = -ENOENT;
|
||||
spin_unlock(&dmm_obj->dmm_lock);
|
||||
|
||||
dev_dbg(bridge, "%s dmm_mgr %p, addr %x, size %x\n\tstatus %x, "
|
||||
"chunk %p", __func__, dmm_mgr, addr, size, status, chunk);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/*
|
||||
* ======== dmm_reserve_memory ========
|
||||
* Purpose:
|
||||
* Reserve a chunk of virtually contiguous DSP/IVA address space.
|
||||
*/
|
||||
int dmm_reserve_memory(struct dmm_object *dmm_mgr, u32 size,
|
||||
u32 *prsv_addr)
|
||||
{
|
||||
int status = 0;
|
||||
struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
|
||||
struct map_page *node;
|
||||
u32 rsv_addr = 0;
|
||||
u32 rsv_size = 0;
|
||||
|
||||
spin_lock(&dmm_obj->dmm_lock);
|
||||
|
||||
/* Try to get a DSP chunk from the free list */
|
||||
node = get_free_region(size);
|
||||
if (node != NULL) {
|
||||
/* DSP chunk of given size is available. */
|
||||
rsv_addr = DMM_ADDR_VIRTUAL(node);
|
||||
/* Calculate the number entries to use */
|
||||
rsv_size = size / PG_SIZE4K;
|
||||
if (rsv_size < node->region_size) {
|
||||
/* Mark remainder of free region */
|
||||
node[rsv_size].mapped = false;
|
||||
node[rsv_size].reserved = false;
|
||||
node[rsv_size].region_size =
|
||||
node->region_size - rsv_size;
|
||||
node[rsv_size].mapped_size = 0;
|
||||
}
|
||||
/* get_region will return first fit chunk. But we only use what
|
||||
is requested. */
|
||||
node->mapped = false;
|
||||
node->reserved = true;
|
||||
node->region_size = rsv_size;
|
||||
node->mapped_size = 0;
|
||||
/* Return the chunk's starting address */
|
||||
*prsv_addr = rsv_addr;
|
||||
} else
|
||||
/*dSP chunk of given size is not available */
|
||||
status = -ENOMEM;
|
||||
|
||||
spin_unlock(&dmm_obj->dmm_lock);
|
||||
|
||||
dev_dbg(bridge, "%s dmm_mgr %p, size %x, prsv_addr %p\n\tstatus %x, "
|
||||
"rsv_addr %x, rsv_size %x\n", __func__, dmm_mgr, size,
|
||||
prsv_addr, status, rsv_addr, rsv_size);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/*
|
||||
* ======== dmm_un_map_memory ========
|
||||
* Purpose:
|
||||
* Remove the mapped block from the reserved chunk.
|
||||
*/
|
||||
int dmm_un_map_memory(struct dmm_object *dmm_mgr, u32 addr, u32 *psize)
|
||||
{
|
||||
struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
|
||||
struct map_page *chunk;
|
||||
int status = 0;
|
||||
|
||||
spin_lock(&dmm_obj->dmm_lock);
|
||||
chunk = get_mapped_region(addr);
|
||||
if (chunk == NULL)
|
||||
status = -ENOENT;
|
||||
|
||||
if (!status) {
|
||||
/* Unmap the region */
|
||||
*psize = chunk->mapped_size * PG_SIZE4K;
|
||||
chunk->mapped = false;
|
||||
chunk->mapped_size = 0;
|
||||
}
|
||||
spin_unlock(&dmm_obj->dmm_lock);
|
||||
|
||||
dev_dbg(bridge, "%s: dmm_mgr %p, addr %x, psize %p\n\tstatus %x, "
|
||||
"chunk %p\n", __func__, dmm_mgr, addr, psize, status, chunk);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/*
|
||||
* ======== dmm_un_reserve_memory ========
|
||||
* Purpose:
|
||||
* Free a chunk of reserved DSP/IVA address space.
|
||||
*/
|
||||
int dmm_un_reserve_memory(struct dmm_object *dmm_mgr, u32 rsv_addr)
|
||||
{
|
||||
struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
|
||||
struct map_page *chunk;
|
||||
u32 i;
|
||||
int status = 0;
|
||||
u32 chunk_size;
|
||||
|
||||
spin_lock(&dmm_obj->dmm_lock);
|
||||
|
||||
/* Find the chunk containing the reserved address */
|
||||
chunk = get_mapped_region(rsv_addr);
|
||||
if (chunk == NULL)
|
||||
status = -ENOENT;
|
||||
|
||||
if (!status) {
|
||||
/* Free all the mapped pages for this reserved region */
|
||||
i = 0;
|
||||
while (i < chunk->region_size) {
|
||||
if (chunk[i].mapped) {
|
||||
/* Remove mapping from the page tables. */
|
||||
chunk_size = chunk[i].mapped_size;
|
||||
/* Clear the mapping flags */
|
||||
chunk[i].mapped = false;
|
||||
chunk[i].mapped_size = 0;
|
||||
i += chunk_size;
|
||||
} else
|
||||
i++;
|
||||
}
|
||||
/* Clear the flags (mark the region 'free') */
|
||||
chunk->reserved = false;
|
||||
/* NOTE: We do NOT coalesce free regions here.
|
||||
* Free regions are coalesced in get_region(), as it traverses
|
||||
*the whole mapping table
|
||||
*/
|
||||
}
|
||||
spin_unlock(&dmm_obj->dmm_lock);
|
||||
|
||||
dev_dbg(bridge, "%s: dmm_mgr %p, rsv_addr %x\n\tstatus %x chunk %p",
|
||||
__func__, dmm_mgr, rsv_addr, status, chunk);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
/*
|
||||
* ======== get_region ========
|
||||
* Purpose:
|
||||
* Returns a region containing the specified memory region
|
||||
*/
|
||||
static struct map_page *get_region(u32 addr)
|
||||
{
|
||||
struct map_page *curr_region = NULL;
|
||||
u32 i = 0;
|
||||
|
||||
if (virtual_mapping_table != NULL) {
|
||||
/* find page mapped by this address */
|
||||
i = DMM_ADDR_TO_INDEX(addr);
|
||||
if (i < table_size)
|
||||
curr_region = virtual_mapping_table + i;
|
||||
}
|
||||
|
||||
dev_dbg(bridge, "%s: curr_region %p, free_region %d, free_size %d\n",
|
||||
__func__, curr_region, free_region, free_size);
|
||||
return curr_region;
|
||||
}
|
||||
|
||||
/*
|
||||
* ======== get_free_region ========
|
||||
* Purpose:
|
||||
* Returns the requested free region
|
||||
*/
|
||||
static struct map_page *get_free_region(u32 len)
|
||||
{
|
||||
struct map_page *curr_region = NULL;
|
||||
u32 i = 0;
|
||||
u32 region_size = 0;
|
||||
u32 next_i = 0;
|
||||
|
||||
if (virtual_mapping_table == NULL)
|
||||
return curr_region;
|
||||
if (len > free_size) {
|
||||
/* Find the largest free region
|
||||
* (coalesce during the traversal) */
|
||||
while (i < table_size) {
|
||||
region_size = virtual_mapping_table[i].region_size;
|
||||
next_i = i + region_size;
|
||||
if (virtual_mapping_table[i].reserved == false) {
|
||||
/* Coalesce, if possible */
|
||||
if (next_i < table_size &&
|
||||
virtual_mapping_table[next_i].reserved
|
||||
== false) {
|
||||
virtual_mapping_table[i].region_size +=
|
||||
virtual_mapping_table
|
||||
[next_i].region_size;
|
||||
continue;
|
||||
}
|
||||
region_size *= PG_SIZE4K;
|
||||
if (region_size > free_size) {
|
||||
free_region = i;
|
||||
free_size = region_size;
|
||||
}
|
||||
}
|
||||
i = next_i;
|
||||
}
|
||||
}
|
||||
if (len <= free_size) {
|
||||
curr_region = virtual_mapping_table + free_region;
|
||||
free_region += (len / PG_SIZE4K);
|
||||
free_size -= len;
|
||||
}
|
||||
return curr_region;
|
||||
}
|
||||
|
||||
/*
|
||||
* ======== get_mapped_region ========
|
||||
* Purpose:
|
||||
* Returns the requestedmapped region
|
||||
*/
|
||||
static struct map_page *get_mapped_region(u32 addrs)
|
||||
{
|
||||
u32 i = 0;
|
||||
struct map_page *curr_region = NULL;
|
||||
|
||||
if (virtual_mapping_table == NULL)
|
||||
return curr_region;
|
||||
|
||||
i = DMM_ADDR_TO_INDEX(addrs);
|
||||
if (i < table_size && (virtual_mapping_table[i].mapped ||
|
||||
virtual_mapping_table[i].reserved))
|
||||
curr_region = virtual_mapping_table + i;
|
||||
return curr_region;
|
||||
}
|
||||
|
||||
#ifdef DSP_DMM_DEBUG
|
||||
u32 dmm_mem_map_dump(struct dmm_object *dmm_mgr)
|
||||
{
|
||||
struct map_page *curr_node = NULL;
|
||||
u32 i;
|
||||
u32 freemem = 0;
|
||||
u32 bigsize = 0;
|
||||
|
||||
spin_lock(&dmm_mgr->dmm_lock);
|
||||
|
||||
if (virtual_mapping_table != NULL) {
|
||||
for (i = 0; i < table_size; i +=
|
||||
virtual_mapping_table[i].region_size) {
|
||||
curr_node = virtual_mapping_table + i;
|
||||
if (curr_node->reserved) {
|
||||
/*printk("RESERVED size = 0x%x, "
|
||||
"Map size = 0x%x\n",
|
||||
(curr_node->region_size * PG_SIZE4K),
|
||||
(curr_node->mapped == false) ? 0 :
|
||||
(curr_node->mapped_size * PG_SIZE4K));
|
||||
*/
|
||||
} else {
|
||||
/* printk("UNRESERVED size = 0x%x\n",
|
||||
(curr_node->region_size * PG_SIZE4K));
|
||||
*/
|
||||
freemem += (curr_node->region_size * PG_SIZE4K);
|
||||
if (curr_node->region_size > bigsize)
|
||||
bigsize = curr_node->region_size;
|
||||
}
|
||||
}
|
||||
}
|
||||
spin_unlock(&dmm_mgr->dmm_lock);
|
||||
printk(KERN_INFO "Total DSP VA FREE memory = %d Mbytes\n",
|
||||
freemem / (1024 * 1024));
|
||||
printk(KERN_INFO "Total DSP VA USED memory= %d Mbytes \n",
|
||||
(((table_size * PG_SIZE4K) - freemem)) / (1024 * 1024));
|
||||
printk(KERN_INFO "DSP VA - Biggest FREE block = %d Mbytes \n\n",
|
||||
(bigsize * PG_SIZE4K / (1024 * 1024)));
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
|
@ -56,7 +56,6 @@
|
|||
/* ----------------------------------- This */
|
||||
#include <dspbridge/nodepriv.h>
|
||||
#include <dspbridge/node.h>
|
||||
#include <dspbridge/dmm.h>
|
||||
|
||||
/* Static/Dynamic Loader includes */
|
||||
#include <dspbridge/dbll.h>
|
||||
|
@ -317,10 +316,6 @@ int node_allocate(struct proc_object *hprocessor,
|
|||
u32 mapped_addr = 0;
|
||||
u32 map_attrs = 0x0;
|
||||
struct dsp_processorstate proc_state;
|
||||
#ifdef DSP_DMM_DEBUG
|
||||
struct dmm_object *dmm_mgr;
|
||||
struct proc_object *p_proc_object = (struct proc_object *)hprocessor;
|
||||
#endif
|
||||
|
||||
void *node_res;
|
||||
|
||||
|
@ -430,16 +425,6 @@ int node_allocate(struct proc_object *hprocessor,
|
|||
if (status)
|
||||
goto func_cont;
|
||||
|
||||
#ifdef DSP_DMM_DEBUG
|
||||
status = dmm_get_handle(p_proc_object, &dmm_mgr);
|
||||
if (!dmm_mgr) {
|
||||
status = DSP_EHANDLE;
|
||||
goto func_cont;
|
||||
}
|
||||
|
||||
dmm_mem_map_dump(dmm_mgr);
|
||||
#endif
|
||||
|
||||
map_attrs |= DSP_MAPLITTLEENDIAN;
|
||||
map_attrs |= DSP_MAPELEMSIZE32;
|
||||
map_attrs |= DSP_MAPVIRTUALADDR;
|
||||
|
@ -2499,11 +2484,7 @@ static void delete_node(struct node_object *hnode,
|
|||
struct stream_chnl stream;
|
||||
struct node_msgargs node_msg_args;
|
||||
struct node_taskargs task_arg_obj;
|
||||
#ifdef DSP_DMM_DEBUG
|
||||
struct dmm_object *dmm_mgr;
|
||||
struct proc_object *p_proc_object =
|
||||
(struct proc_object *)hnode->hprocessor;
|
||||
#endif
|
||||
|
||||
int status;
|
||||
if (!hnode)
|
||||
goto func_end;
|
||||
|
@ -2564,13 +2545,6 @@ static void delete_node(struct node_object *hnode,
|
|||
status = proc_un_map(hnode->hprocessor, (void *)
|
||||
task_arg_obj.udsp_heap_addr,
|
||||
pr_ctxt);
|
||||
#ifdef DSP_DMM_DEBUG
|
||||
status = dmm_get_handle(p_proc_object, &dmm_mgr);
|
||||
if (dmm_mgr)
|
||||
dmm_mem_map_dump(dmm_mgr);
|
||||
else
|
||||
status = DSP_EHANDLE;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
if (node_type != NODE_MESSAGE) {
|
||||
|
|
|
@ -39,7 +39,6 @@
|
|||
#include <dspbridge/cod.h>
|
||||
#include <dspbridge/dev.h>
|
||||
#include <dspbridge/procpriv.h>
|
||||
#include <dspbridge/dmm.h>
|
||||
|
||||
/* ----------------------------------- Resource Manager */
|
||||
#include <dspbridge/mgr.h>
|
||||
|
@ -1078,7 +1077,6 @@ int proc_load(void *hprocessor, const s32 argc_index,
|
|||
s32 cnew_envp; /* " " in new_envp[] */
|
||||
s32 nproc_id = 0; /* Anticipate MP version. */
|
||||
struct dcd_manager *hdcd_handle;
|
||||
struct dmm_object *dmm_mgr;
|
||||
u32 dw_ext_end;
|
||||
u32 proc_id;
|
||||
int brd_state;
|
||||
|
@ -1269,25 +1267,6 @@ int proc_load(void *hprocessor, const s32 argc_index,
|
|||
if (!status)
|
||||
status = cod_get_sym_value(cod_mgr, EXTEND,
|
||||
&dw_ext_end);
|
||||
|
||||
/* Reset DMM structs and add an initial free chunk */
|
||||
if (!status) {
|
||||
status =
|
||||
dev_get_dmm_mgr(p_proc_object->hdev_obj,
|
||||
&dmm_mgr);
|
||||
if (dmm_mgr) {
|
||||
/* Set dw_ext_end to DMM START u8
|
||||
* address */
|
||||
dw_ext_end =
|
||||
(dw_ext_end + 1) * DSPWORDSIZE;
|
||||
/* DMM memory is from EXT_END */
|
||||
status = dmm_create_tables(dmm_mgr,
|
||||
dw_ext_end,
|
||||
DMMPOOLSIZE);
|
||||
} else {
|
||||
status = -EFAULT;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
/* Restore the original argv[0] */
|
||||
|
@ -1390,7 +1369,6 @@ int proc_map(void *hprocessor, void *pmpu_addr, u32 ul_size,
|
|||
map_obj->dsp_addr = (va_align |
|
||||
((u32)pmpu_addr & (PG_SIZE4K - 1)));
|
||||
*pp_map_addr = (void *)map_obj->dsp_addr;
|
||||
pr_err("%s: mapped address %x\n", __func__, *pp_map_addr);
|
||||
} else {
|
||||
remove_mapping_information(pr_ctxt, va_align);
|
||||
}
|
||||
|
@ -1633,7 +1611,6 @@ int proc_un_map(void *hprocessor, void *map_addr,
|
|||
int status = 0;
|
||||
struct proc_object *p_proc_object = (struct proc_object *)hprocessor;
|
||||
u32 va_align;
|
||||
u32 size_align;
|
||||
|
||||
va_align = PG_ALIGN_LOW((u32) map_addr, PG_SIZE4K);
|
||||
if (!p_proc_object) {
|
||||
|
|
Loading…
Reference in a new issue