예제 #1
0
파일: ra_plugin.c 프로젝트: aosm/subversion
/* Getting just one file. */
static svn_error_t *
svn_ra_local__get_file(svn_ra_session_t *session,
                       const char *path,
                       svn_revnum_t revision,
                       svn_stream_t *stream,
                       svn_revnum_t *fetched_rev,
                       apr_hash_t **props,
                       apr_pool_t *pool)
{
  svn_fs_root_t *root;
  svn_stream_t *contents;
  svn_revnum_t youngest_rev;
  svn_ra_local__session_baton_t *sess = session->priv;
  const char *abs_path = svn_path_join(sess->fs_path->data, path, pool);

  /* Open the revision's root. */
  if (! SVN_IS_VALID_REVNUM(revision))
    {
      SVN_ERR(svn_fs_youngest_rev(&youngest_rev, sess->fs, pool));
      SVN_ERR(svn_fs_revision_root(&root, sess->fs, youngest_rev, pool));
      if (fetched_rev != NULL)
        *fetched_rev = youngest_rev;
    }
  else
    SVN_ERR(svn_fs_revision_root(&root, sess->fs, revision, pool));

  if (stream)
    {
      /* Get a stream representing the file's contents. */
      SVN_ERR(svn_fs_file_contents(&contents, root, abs_path, pool));

      /* Now push data from the fs stream back at the caller's stream.
         Note that this particular RA layer does not computing a
         checksum as we go, and confirming it against the repository's
         checksum when done.  That's because it calls
         svn_fs_file_contents() directly, which already checks the
         stored checksum, and all we're doing here is writing bytes in
         a loop.  Truly, Nothing Can Go Wrong :-).  But RA layers that
         go over a network should confirm the checksum.

         Note: we are not supposed to close the passed-in stream, so
         disown the thing.
      */
      SVN_ERR(svn_stream_copy3(contents, svn_stream_disown(stream, pool),
                               sess->callbacks
                                 ? sess->callbacks->cancel_func : NULL,
                               sess->callback_baton,
                               pool));
    }

  /* Handle props if requested. */
  if (props)
    SVN_ERR(get_node_props(props, sess, root, abs_path, pool));

  return SVN_NO_ERROR;
}
예제 #2
0
파일: ra_plugin.c 프로젝트: aosm/subversion
/* Getting a directory's entries */
static svn_error_t *
svn_ra_local__get_dir(svn_ra_session_t *session,
                      apr_hash_t **dirents,
                      svn_revnum_t *fetched_rev,
                      apr_hash_t **props,
                      const char *path,
                      svn_revnum_t revision,
                      apr_uint32_t dirent_fields,
                      apr_pool_t *pool)
{
  svn_fs_root_t *root;
  svn_revnum_t youngest_rev;
  apr_hash_t *entries;
  apr_hash_index_t *hi;
  svn_ra_local__session_baton_t *sess = session->priv;
  apr_pool_t *subpool;
  const char *abs_path = svn_path_join(sess->fs_path->data, path, pool);

  /* Open the revision's root. */
  if (! SVN_IS_VALID_REVNUM(revision))
    {
      SVN_ERR(svn_fs_youngest_rev(&youngest_rev, sess->fs, pool));
      SVN_ERR(svn_fs_revision_root(&root, sess->fs, youngest_rev, pool));
      if (fetched_rev != NULL)
        *fetched_rev = youngest_rev;
    }
  else
    SVN_ERR(svn_fs_revision_root(&root, sess->fs, revision, pool));

  if (dirents)
    {
      /* Get the dir's entries. */
      SVN_ERR(svn_fs_dir_entries(&entries, root, abs_path, pool));

      /* Loop over the fs dirents, and build a hash of general
         svn_dirent_t's. */
      *dirents = apr_hash_make(pool);
      subpool = svn_pool_create(pool);
      for (hi = apr_hash_first(pool, entries); hi; hi = apr_hash_next(hi))
        {
          const void *key;
          void *val;
          apr_hash_t *prophash;
          const char *datestring, *entryname, *fullpath;
          svn_fs_dirent_t *fs_entry;
          svn_dirent_t *entry = apr_pcalloc(pool, sizeof(*entry));

          svn_pool_clear(subpool);

          apr_hash_this(hi, &key, NULL, &val);
          entryname = (const char *) key;
          fs_entry = (svn_fs_dirent_t *) val;

          fullpath = svn_path_join(abs_path, entryname, subpool);

          if (dirent_fields & SVN_DIRENT_KIND)
            {
              /* node kind */
              entry->kind = fs_entry->kind;
            }

          if (dirent_fields & SVN_DIRENT_SIZE)
            {
              /* size  */
              if (entry->kind == svn_node_dir)
                entry->size = 0;
              else
                SVN_ERR(svn_fs_file_length(&(entry->size), root,
                                           fullpath, subpool));
            }

          if (dirent_fields & SVN_DIRENT_HAS_PROPS)
            {
              /* has_props? */
              SVN_ERR(svn_fs_node_proplist(&prophash, root, fullpath,
                                           subpool));
              entry->has_props = (apr_hash_count(prophash) != 0);
            }

          if ((dirent_fields & SVN_DIRENT_TIME)
              || (dirent_fields & SVN_DIRENT_LAST_AUTHOR)
              || (dirent_fields & SVN_DIRENT_CREATED_REV))
            {
              /* created_rev & friends */
              SVN_ERR(svn_repos_get_committed_info(&(entry->created_rev),
                                                   &datestring,
                                                   &(entry->last_author),
                                                   root, fullpath, subpool));
              if (datestring)
                SVN_ERR(svn_time_from_cstring(&(entry->time), datestring,
                                              pool));
              if (entry->last_author)
                entry->last_author = apr_pstrdup(pool, entry->last_author);
            }

          /* Store. */
          apr_hash_set(*dirents, entryname, APR_HASH_KEY_STRING, entry);
        }
      svn_pool_destroy(subpool);
    }

  /* Handle props if requested. */
  if (props)
    SVN_ERR(get_node_props(props, sess, root, abs_path, pool));

  return SVN_NO_ERROR;
}
예제 #3
0
/*
 *  ======== node_allocate ========
 *  Purpose:
 *      Allocate GPP resources to manage a node on the DSP.
 */
int node_allocate(struct proc_object *hprocessor,
			const struct dsp_uuid *node_uuid,
			const struct dsp_cbdata *pargs,
			const struct dsp_nodeattrin *attr_in,
			struct node_res_object **noderes,
			struct process_context *pr_ctxt)
{
	struct node_mgr *hnode_mgr;
	struct dev_object *hdev_obj;
	struct node_object *pnode = NULL;
	enum node_type node_type = NODE_TASK;
	struct node_msgargs *pmsg_args;
	struct node_taskargs *ptask_args;
	u32 num_streams;
	struct bridge_drv_interface *intf_fxns;
	int status = 0;
	struct cmm_object *hcmm_mgr = NULL;	/* Shared memory manager hndl */
	u32 proc_id;
	u32 pul_value;
	u32 dynext_base;
	u32 off_set = 0;
	u32 ul_stack_seg_addr, ul_stack_seg_val;
	u32 ul_gpp_mem_base;
	struct cfg_hostres *host_res;
	struct bridge_dev_context *pbridge_context;
	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;

	DBC_REQUIRE(refs > 0);
	DBC_REQUIRE(hprocessor != NULL);
	DBC_REQUIRE(noderes != NULL);
	DBC_REQUIRE(node_uuid != NULL);

	*noderes = NULL;

	status = proc_get_processor_id(hprocessor, &proc_id);

	if (proc_id != DSP_UNIT)
		goto func_end;

	status = proc_get_dev_object(hprocessor, &hdev_obj);
	if (!status) {
		status = dev_get_node_manager(hdev_obj, &hnode_mgr);
		if (hnode_mgr == NULL)
			status = -EPERM;

	}

	if (status)
		goto func_end;

	status = dev_get_bridge_context(hdev_obj, &pbridge_context);
	if (!pbridge_context) {
		status = -EFAULT;
		goto func_end;
	}

	status = proc_get_state(hprocessor, &proc_state,
				sizeof(struct dsp_processorstate));
	if (status)
		goto func_end;
	/* If processor is in error state then don't attempt
	   to send the message */
	if (proc_state.proc_state == PROC_ERROR) {
		status = -EPERM;
		goto func_end;
	}

	/* Assuming that 0 is not a valid function address */
	if (hnode_mgr->ul_fxn_addrs[0] == 0) {
		/* No RMS on target - we currently can't handle this */
		pr_err("%s: Failed, no RMS in base image\n", __func__);
		status = -EPERM;
	} else {
		/* Validate attr_in fields, if non-NULL */
		if (attr_in) {
			/* Check if attr_in->prio is within range */
			if (attr_in->prio < hnode_mgr->min_pri ||
			    attr_in->prio > hnode_mgr->max_pri)
				status = -EDOM;
		}
	}
	/* Allocate node object and fill in */
	if (status)
		goto func_end;

	pnode = kzalloc(sizeof(struct node_object), GFP_KERNEL);
	if (pnode == NULL) {
		status = -ENOMEM;
		goto func_end;
	}
	pnode->hnode_mgr = hnode_mgr;
	/* This critical section protects get_node_props */
	mutex_lock(&hnode_mgr->node_mgr_lock);

	/* Get dsp_ndbprops from node database */
	status = get_node_props(hnode_mgr->hdcd_mgr, pnode, node_uuid,
				&(pnode->dcd_props));
	if (status)
		goto func_cont;

	pnode->node_uuid = *node_uuid;
	pnode->hprocessor = hprocessor;
	pnode->ntype = pnode->dcd_props.obj_data.node_obj.ndb_props.ntype;
	pnode->utimeout = pnode->dcd_props.obj_data.node_obj.ndb_props.utimeout;
	pnode->prio = pnode->dcd_props.obj_data.node_obj.ndb_props.prio;

	/* Currently only C64 DSP builds support Node Dynamic * heaps */
	/* Allocate memory for node heap */
	pnode->create_args.asa.task_arg_obj.heap_size = 0;
	pnode->create_args.asa.task_arg_obj.udsp_heap_addr = 0;
	pnode->create_args.asa.task_arg_obj.udsp_heap_res_addr = 0;
	pnode->create_args.asa.task_arg_obj.ugpp_heap_addr = 0;
	if (!attr_in)
		goto func_cont;

	/* Check if we have a user allocated node heap */
	if (!(attr_in->pgpp_virt_addr))
		goto func_cont;

	/* check for page aligned Heap size */
	if (((attr_in->heap_size) & (PG_SIZE4K - 1))) {
		pr_err("%s: node heap size not aligned to 4K, size = 0x%x \n",
		       __func__, attr_in->heap_size);
		status = -EINVAL;
	} else {
		pnode->create_args.asa.task_arg_obj.heap_size =
		    attr_in->heap_size;
		pnode->create_args.asa.task_arg_obj.ugpp_heap_addr =
		    (u32) attr_in->pgpp_virt_addr;
	}
	if (status)
		goto func_cont;

	status = proc_reserve_memory(hprocessor,
				     pnode->create_args.asa.task_arg_obj.
				     heap_size + PAGE_SIZE,
				     (void **)&(pnode->create_args.asa.
					task_arg_obj.udsp_heap_res_addr),
				     pr_ctxt);
	if (status) {
		pr_err("%s: Failed to reserve memory for heap: 0x%x\n",
		       __func__, 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;
	status = proc_map(hprocessor, (void *)attr_in->pgpp_virt_addr,
			  pnode->create_args.asa.task_arg_obj.heap_size,
			  (void *)pnode->create_args.asa.task_arg_obj.
			  udsp_heap_res_addr, (void **)&mapped_addr, map_attrs,
			  pr_ctxt);
	if (status)
		pr_err("%s: Failed to map memory for Heap: 0x%x\n",
		       __func__, status);
	else
		pnode->create_args.asa.task_arg_obj.udsp_heap_addr =
		    (u32) mapped_addr;

func_cont:
	mutex_unlock(&hnode_mgr->node_mgr_lock);
	if (attr_in != NULL) {
		/* Overrides of NBD properties */
		pnode->utimeout = attr_in->utimeout;
		pnode->prio = attr_in->prio;
	}
	/* Create object to manage notifications */
	if (!status) {
		pnode->ntfy_obj = kmalloc(sizeof(struct ntfy_object),
							GFP_KERNEL);
		if (pnode->ntfy_obj)
			ntfy_init(pnode->ntfy_obj);
		else
			status = -ENOMEM;
	}

	if (!status) {
		node_type = node_get_type(pnode);
		/*  Allocate dsp_streamconnect array for device, task, and
		 *  dais socket nodes. */
		if (node_type != NODE_MESSAGE) {
			num_streams = MAX_INPUTS(pnode) + MAX_OUTPUTS(pnode);
			pnode->stream_connect = kzalloc(num_streams *
					sizeof(struct dsp_streamconnect),
					GFP_KERNEL);
			if (num_streams > 0 && pnode->stream_connect == NULL)
				status = -ENOMEM;

		}
		if (!status && (node_type == NODE_TASK ||
					      node_type == NODE_DAISSOCKET)) {
			/* Allocate arrays for maintainig stream connections */
			pnode->inputs = kzalloc(MAX_INPUTS(pnode) *
					sizeof(struct stream_chnl), GFP_KERNEL);
			pnode->outputs = kzalloc(MAX_OUTPUTS(pnode) *
					sizeof(struct stream_chnl), GFP_KERNEL);
			ptask_args = &(pnode->create_args.asa.task_arg_obj);
			ptask_args->strm_in_def = kzalloc(MAX_INPUTS(pnode) *
						sizeof(struct node_strmdef),
						GFP_KERNEL);
			ptask_args->strm_out_def = kzalloc(MAX_OUTPUTS(pnode) *
						sizeof(struct node_strmdef),
						GFP_KERNEL);
			if ((MAX_INPUTS(pnode) > 0 && (pnode->inputs == NULL ||
						       ptask_args->strm_in_def
						       == NULL))
			    || (MAX_OUTPUTS(pnode) > 0
				&& (pnode->outputs == NULL
				    || ptask_args->strm_out_def == NULL)))
				status = -ENOMEM;
		}
	}
	if (!status && (node_type != NODE_DEVICE)) {
		/* Create an event that will be posted when RMS_EXIT is
		 * received. */
		pnode->sync_done = kzalloc(sizeof(struct sync_object),
								GFP_KERNEL);
		if (pnode->sync_done)
			sync_init_event(pnode->sync_done);
		else
			status = -ENOMEM;

		if (!status) {
			/*Get the shared mem mgr for this nodes dev object */
			status = cmm_get_handle(hprocessor, &hcmm_mgr);
			if (!status) {
				/* Allocate a SM addr translator for this node
				 * w/ deflt attr */
				status = cmm_xlator_create(&pnode->xlator,
							   hcmm_mgr, NULL);
			}
		}
		if (!status) {
			/* Fill in message args */
			if ((pargs != NULL) && (pargs->cb_data > 0)) {
				pmsg_args =
				    &(pnode->create_args.asa.node_msg_args);
				pmsg_args->pdata = kzalloc(pargs->cb_data,
								GFP_KERNEL);
				if (pmsg_args->pdata == NULL) {
					status = -ENOMEM;
				} else {
					pmsg_args->arg_length = pargs->cb_data;
					memcpy(pmsg_args->pdata,
					       pargs->node_data,
					       pargs->cb_data);
				}
			}
		}
	}

	if (!status && node_type != NODE_DEVICE) {
		/* Create a message queue for this node */
		intf_fxns = hnode_mgr->intf_fxns;
		status =
		    (*intf_fxns->pfn_msg_create_queue) (hnode_mgr->msg_mgr_obj,
							&pnode->msg_queue_obj,
							0,
							pnode->create_args.asa.
							node_msg_args.max_msgs,
							pnode);
	}

	if (!status) {
		/* Create object for dynamic loading */

		status = hnode_mgr->nldr_fxns.pfn_allocate(hnode_mgr->nldr_obj,
							   (void *)pnode,
							   &pnode->dcd_props.
							   obj_data.node_obj,
							   &pnode->
							   nldr_node_obj,
							   &pnode->phase_split);
	}

	/* Compare value read from Node Properties and check if it is same as
	 * STACKSEGLABEL, if yes read the Address of STACKSEGLABEL, calculate
	 * GPP Address, Read the value in that address and override the
	 * stack_seg value in task args */
	if (!status &&
	    (char *)pnode->dcd_props.obj_data.node_obj.ndb_props.
	    stack_seg_name != NULL) {
		if (strcmp((char *)
			   pnode->dcd_props.obj_data.node_obj.ndb_props.
			   stack_seg_name, STACKSEGLABEL) == 0) {
			status =
			    hnode_mgr->nldr_fxns.
			    pfn_get_fxn_addr(pnode->nldr_node_obj, "DYNEXT_BEG",
					     &dynext_base);
			if (status)
				pr_err("%s: Failed to get addr for DYNEXT_BEG"
				       " status = 0x%x\n", __func__, status);

			status =
			    hnode_mgr->nldr_fxns.
			    pfn_get_fxn_addr(pnode->nldr_node_obj,
					     "L1DSRAM_HEAP", &pul_value);

			if (status)
				pr_err("%s: Failed to get addr for L1DSRAM_HEAP"
				       " status = 0x%x\n", __func__, status);

			host_res = pbridge_context->resources;
			if (!host_res)
				status = -EPERM;

			if (status) {
				pr_err("%s: Failed to get host resource, status"
				       " = 0x%x\n", __func__, status);
				goto func_end;
			}

			ul_gpp_mem_base = (u32) host_res->dw_mem_base[1];
			off_set = pul_value - dynext_base;
			ul_stack_seg_addr = ul_gpp_mem_base + off_set;
			ul_stack_seg_val = readl(ul_stack_seg_addr);

			dev_dbg(bridge, "%s: StackSegVal = 0x%x, StackSegAddr ="
				" 0x%x\n", __func__, ul_stack_seg_val,
				ul_stack_seg_addr);

			pnode->create_args.asa.task_arg_obj.stack_seg =
			    ul_stack_seg_val;

		}
	}

	if (!status) {
		/* Add the node to the node manager's list of allocated
		 * nodes. */
		lst_init_elem((struct list_head *)pnode);
		NODE_SET_STATE(pnode, NODE_ALLOCATED);

		mutex_lock(&hnode_mgr->node_mgr_lock);

		lst_put_tail(hnode_mgr->node_list, (struct list_head *) pnode);
			++(hnode_mgr->num_nodes);

		/* Exit critical section */
		mutex_unlock(&hnode_mgr->node_mgr_lock);

		/* Preset this to assume phases are split
		 * (for overlay and dll) */
		pnode->phase_split = true;

		/* Notify all clients registered for DSP_NODESTATECHANGE. */
		proc_notify_all_clients(hprocessor, DSP_NODESTATECHANGE);
	} else {
		/* Cleanup */
		if (pnode)
			delete_node(pnode, pr_ctxt);

	}

	if (!status) {
		status = drv_insert_node_res_element(pnode, &node_res, pr_ctxt);
		if (status) {
			delete_node(pnode, pr_ctxt);
			goto func_end;
		}

		*noderes = (struct node_res_object *)node_res;
		drv_proc_node_update_heap_status(node_res, true);
		drv_proc_node_update_status(node_res, true);
	}
	DBC_ENSURE((status && *noderes == NULL) || (!status && *noderes));
func_end:
	dev_dbg(bridge, "%s: hprocessor: %p pNodeId: %p pargs: %p attr_in: %p "
		"node_res: %p status: 0x%x\n", __func__, hprocessor,
		node_uuid, pargs, attr_in, noderes, status);
	return status;
}