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			102 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Virtio 9p
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|  *
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|  * Copyright IBM, Corp. 2010
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|  *
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|  * Authors:
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|  *  Gautham R Shenoy <ego@in.ibm.com>
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|  *
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|  * This work is licensed under the terms of the GNU GPL, version 2.  See
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|  * the COPYING file in the top-level directory.
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|  *
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|  */
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| #include <stdio.h>
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| #include <string.h>
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| #include "qemu-fsdev.h"
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| #include "qemu-queue.h"
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| #include "osdep.h"
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| #include "qemu-common.h"
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| #include "qemu-config.h"
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| 
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| static QTAILQ_HEAD(FsTypeEntry_head, FsTypeListEntry) fstype_entries =
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|     QTAILQ_HEAD_INITIALIZER(fstype_entries);
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| 
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| static FsTypeTable FsTypes[] = {
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|     { .name = "local", .ops = &local_ops},
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|     { .name = "handle", .ops = &handle_ops},
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| };
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| 
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| int qemu_fsdev_add(QemuOpts *opts)
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| {
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|     struct FsTypeListEntry *fsle;
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|     int i;
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|     const char *fsdev_id = qemu_opts_id(opts);
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|     const char *fstype = qemu_opt_get(opts, "fstype");
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|     const char *path = qemu_opt_get(opts, "path");
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|     const char *sec_model = qemu_opt_get(opts, "security_model");
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| 
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|     if (!fsdev_id) {
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|         fprintf(stderr, "fsdev: No id specified\n");
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|         return -1;
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|     }
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| 
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|     if (fstype) {
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|         for (i = 0; i < ARRAY_SIZE(FsTypes); i++) {
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|             if (strcmp(FsTypes[i].name, fstype) == 0) {
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|                 break;
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|             }
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|         }
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| 
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|         if (i == ARRAY_SIZE(FsTypes)) {
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|             fprintf(stderr, "fsdev: fstype %s not found\n", fstype);
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|             return -1;
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|         }
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|     } else {
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|         fprintf(stderr, "fsdev: No fstype specified\n");
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|         return -1;
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|     }
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| 
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|     if (!sec_model) {
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|         fprintf(stderr, "fsdev: No security_model specified.\n");
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|         return -1;
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|     }
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| 
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|     if (!path) {
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|         fprintf(stderr, "fsdev: No path specified.\n");
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|         return -1;
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|     }
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| 
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|     fsle = g_malloc(sizeof(*fsle));
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| 
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|     fsle->fse.fsdev_id = g_strdup(fsdev_id);
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|     fsle->fse.path = g_strdup(path);
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|     fsle->fse.security_model = g_strdup(sec_model);
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|     fsle->fse.ops = FsTypes[i].ops;
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| 
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|     QTAILQ_INSERT_TAIL(&fstype_entries, fsle, next);
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|     return 0;
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| 
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| }
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| 
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| FsTypeEntry *get_fsdev_fsentry(char *id)
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| {
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|     if (id) {
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|         struct FsTypeListEntry *fsle;
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| 
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|         QTAILQ_FOREACH(fsle, &fstype_entries, next) {
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|             if (strcmp(fsle->fse.fsdev_id, id) == 0) {
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|                 return &fsle->fse;
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|             }
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|         }
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|     }
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|     return NULL;
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| }
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| 
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| static void fsdev_register_config(void)
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| {
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|     qemu_add_opts(&qemu_fsdev_opts);
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|     qemu_add_opts(&qemu_virtfs_opts);
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| }
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| machine_init(fsdev_register_config);
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| 
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