X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=disk%2Fpart.c;h=cb9b86156d3cbe7b45e0a3fd565cb0a6c84e1d12;hb=f18fa31cdcfeecaf56e61224eb18d2f2b6d39d85;hp=ecc5e7e0bfa0c9292cc83bc6d205f9374f47448b;hpb=c23154aab5825fec81d5500c53eaa686646c76b5;p=platform%2Fkernel%2Fu-boot.git

diff --git a/disk/part.c b/disk/part.c
index ecc5e7e..cb9b861 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -7,9 +7,11 @@
 
 #include <common.h>
 #include <command.h>
+#include <errno.h>
 #include <ide.h>
 #include <malloc.h>
 #include <part.h>
+#include <ubifs_uboot.h>
 
 #undef	PART_DEBUG
 
@@ -19,98 +21,57 @@
 #define PRINTF(fmt,args...)
 #endif
 
-struct block_drvr {
-	char *name;
-	block_dev_desc_t* (*get_dev)(int dev);
-	int (*select_hwpart)(int dev_num, int hwpart);
-};
-
-static const struct block_drvr block_drvr[] = {
-#if defined(CONFIG_CMD_IDE)
-	{ .name = "ide", .get_dev = ide_get_dev, },
-#endif
-#if defined(CONFIG_CMD_SATA)
-	{.name = "sata", .get_dev = sata_get_dev, },
-#endif
-#if defined(CONFIG_CMD_SCSI)
-	{ .name = "scsi", .get_dev = scsi_get_dev, },
-#endif
-#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
-	{ .name = "usb", .get_dev = usb_stor_get_dev, },
-#endif
-#if defined(CONFIG_MMC)
-	{
-		.name = "mmc",
-		.get_dev = mmc_get_dev,
-		.select_hwpart = mmc_select_hwpart,
-	},
-#endif
-#if defined(CONFIG_SYSTEMACE)
-	{ .name = "ace", .get_dev = systemace_get_dev, },
-#endif
-#if defined(CONFIG_SANDBOX)
-	{ .name = "host", .get_dev = host_get_dev, },
-#endif
-	{ },
-};
-
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef HAVE_BLOCK_DEVICE
-block_dev_desc_t *get_dev_hwpart(const char *ifname, int dev, int hwpart)
+static struct part_driver *part_driver_lookup_type(int part_type)
 {
-	const struct block_drvr *drvr = block_drvr;
-	block_dev_desc_t* (*reloc_get_dev)(int dev);
-	int (*select_hwpart)(int dev_num, int hwpart);
-	char *name;
+	struct part_driver *drv =
+		ll_entry_start(struct part_driver, part_driver);
+	const int n_ents = ll_entry_count(struct part_driver, part_driver);
+	struct part_driver *entry;
+
+	for (entry = drv; entry != drv + n_ents; entry++) {
+		if (part_type == entry->part_type)
+			return entry;
+	}
+
+	/* Not found */
+	return NULL;
+}
+
+static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
+{
+	struct blk_desc *dev_desc;
 	int ret;
 
-	if (!ifname)
+	dev_desc = blk_get_devnum_by_typename(ifname, dev);
+	if (!dev_desc) {
+		debug("%s: No device for iface '%s', dev %d\n", __func__,
+		      ifname, dev);
 		return NULL;
-
-	name = drvr->name;
-#ifdef CONFIG_NEEDS_MANUAL_RELOC
-	name += gd->reloc_off;
-#endif
-	while (drvr->name) {
-		name = drvr->name;
-		reloc_get_dev = drvr->get_dev;
-		select_hwpart = drvr->select_hwpart;
-#ifdef CONFIG_NEEDS_MANUAL_RELOC
-		name += gd->reloc_off;
-		reloc_get_dev += gd->reloc_off;
-		if (select_hwpart)
-			select_hwpart += gd->reloc_off;
-#endif
-		if (strncmp(ifname, name, strlen(name)) == 0) {
-			block_dev_desc_t *dev_desc = reloc_get_dev(dev);
-			if (!dev_desc)
-				return NULL;
-			if (hwpart == 0 && !select_hwpart)
-				return dev_desc;
-			if (!select_hwpart)
-				return NULL;
-			ret = select_hwpart(dev_desc->dev, hwpart);
-			if (ret < 0)
-				return NULL;
-			return dev_desc;
-		}
-		drvr++;
 	}
-	return NULL;
+	ret = blk_dselect_hwpart(dev_desc, hwpart);
+	if (ret) {
+		debug("%s: Failed to select h/w partition: err-%d\n", __func__,
+		      ret);
+		return NULL;
+	}
+
+	return dev_desc;
 }
 
-block_dev_desc_t *get_dev(const char *ifname, int dev)
+struct blk_desc *blk_get_dev(const char *ifname, int dev)
 {
 	return get_dev_hwpart(ifname, dev, 0);
 }
 #else
-block_dev_desc_t *get_dev_hwpart(const char *ifname, int dev, int hwpart)
+struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
 {
 	return NULL;
 }
 
-block_dev_desc_t *get_dev(const char *ifname, int dev)
+struct blk_desc *blk_get_dev(const char *ifname, int dev)
 {
 	return NULL;
 }
@@ -133,7 +94,7 @@ typedef lbaint_t lba512_t;
  * Overflowless variant of (block_count * mul_by / div_by)
  * when div_by > mul_by
  */
-static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by)
+static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, lba512_t div_by)
 {
 	lba512_t bc_quot, bc_rem;
 
@@ -143,7 +104,7 @@ static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t d
 	return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
 }
 
-void dev_print (block_dev_desc_t *dev_desc)
+void dev_print (struct blk_desc *dev_desc)
 {
 	lba512_t lba512; /* number of blocks if 512bytes block size */
 
@@ -215,7 +176,8 @@ void dev_print (block_dev_desc_t *dev_desc)
 
 		lba512 = (lba * (dev_desc->blksz/512));
 		/* round to 1 digit */
-		mb = lba512_muldiv(lba512, 10, 2048);	/* 2048 = (1024 * 1024) / 512 MB */
+		/* 2048 = (1024 * 1024) / 512 MB */
+		mb = lba512_muldiv(lba512, 10, 2048);
 
 		mb_quot	= mb / 10;
 		mb_rem	= mb - (10 * mb_quot);
@@ -228,13 +190,13 @@ void dev_print (block_dev_desc_t *dev_desc)
 			printf ("            Supports 48-bit addressing\n");
 #endif
 #if defined(CONFIG_SYS_64BIT_LBA)
-		printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
+		printf ("            Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n",
 			mb_quot, mb_rem,
 			gb_quot, gb_rem,
 			lba,
 			dev_desc->blksz);
 #else
-		printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%ld x %ld)\n",
+		printf ("            Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n",
 			mb_quot, mb_rem,
 			gb_quot, gb_rem,
 			(ulong)lba,
@@ -248,55 +210,35 @@ void dev_print (block_dev_desc_t *dev_desc)
 
 #ifdef HAVE_BLOCK_DEVICE
 
-void init_part (block_dev_desc_t * dev_desc)
+void part_init(struct blk_desc *dev_desc)
 {
-#ifdef CONFIG_ISO_PARTITION
-	if (test_part_iso(dev_desc) == 0) {
-		dev_desc->part_type = PART_TYPE_ISO;
-		return;
-	}
-#endif
+	struct part_driver *drv =
+		ll_entry_start(struct part_driver, part_driver);
+	const int n_ents = ll_entry_count(struct part_driver, part_driver);
+	struct part_driver *entry;
 
-#ifdef CONFIG_MAC_PARTITION
-	if (test_part_mac(dev_desc) == 0) {
-		dev_desc->part_type = PART_TYPE_MAC;
-		return;
-	}
-#endif
-
-/* must be placed before DOS partition detection */
-#ifdef CONFIG_EFI_PARTITION
-	if (test_part_efi(dev_desc) == 0) {
-		dev_desc->part_type = PART_TYPE_EFI;
-		return;
-	}
-#endif
+	blkcache_invalidate(dev_desc->if_type, dev_desc->devnum);
 
-#ifdef CONFIG_DOS_PARTITION
-	if (test_part_dos(dev_desc) == 0) {
-		dev_desc->part_type = PART_TYPE_DOS;
-		return;
-	}
-#endif
-
-#ifdef CONFIG_AMIGA_PARTITION
-	if (test_part_amiga(dev_desc) == 0) {
-	    dev_desc->part_type = PART_TYPE_AMIGA;
-	    return;
-	}
-#endif
 	dev_desc->part_type = PART_TYPE_UNKNOWN;
+	for (entry = drv; entry != drv + n_ents; entry++) {
+		int ret;
+
+		ret = entry->test(dev_desc);
+		debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret);
+		if (!ret) {
+			dev_desc->part_type = entry->part_type;
+			break;
+		}
+	}
 }
 
-
-#if defined(CONFIG_MAC_PARTITION) || \
+static void print_part_header(const char *type, struct blk_desc *dev_desc)
+{
+#if CONFIG_IS_ENABLED(MAC_PARTITION) || \
 	defined(CONFIG_DOS_PARTITION) || \
 	defined(CONFIG_ISO_PARTITION) || \
 	defined(CONFIG_AMIGA_PARTITION) || \
 	defined(CONFIG_EFI_PARTITION)
-
-static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
-{
 	puts ("\nPartition Map for ");
 	switch (dev_desc->if_type) {
 	case IF_TYPE_IDE:
@@ -328,124 +270,65 @@ static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
 		break;
 	}
 	printf (" device %d  --   Partition Type: %s\n\n",
-			dev_desc->dev, type);
-}
-
+			dev_desc->devnum, type);
 #endif /* any CONFIG_..._PARTITION */
+}
 
-void print_part(block_dev_desc_t * dev_desc)
+void part_print(struct blk_desc *dev_desc)
 {
+	struct part_driver *drv;
 
-		switch (dev_desc->part_type) {
-#ifdef CONFIG_MAC_PARTITION
-	case PART_TYPE_MAC:
-		PRINTF ("## Testing for valid MAC partition ##\n");
-		print_part_header ("MAC", dev_desc);
-		print_part_mac (dev_desc);
-		return;
-#endif
-#ifdef CONFIG_DOS_PARTITION
-	case PART_TYPE_DOS:
-		PRINTF ("## Testing for valid DOS partition ##\n");
-		print_part_header ("DOS", dev_desc);
-		print_part_dos (dev_desc);
+	drv = part_driver_lookup_type(dev_desc->part_type);
+	if (!drv) {
+		printf("## Unknown partition table type %x\n",
+		       dev_desc->part_type);
 		return;
-#endif
-
-#ifdef CONFIG_ISO_PARTITION
-	case PART_TYPE_ISO:
-		PRINTF ("## Testing for valid ISO Boot partition ##\n");
-		print_part_header ("ISO", dev_desc);
-		print_part_iso (dev_desc);
-		return;
-#endif
-
-#ifdef CONFIG_AMIGA_PARTITION
-	case PART_TYPE_AMIGA:
-	    PRINTF ("## Testing for a valid Amiga partition ##\n");
-	    print_part_header ("AMIGA", dev_desc);
-	    print_part_amiga (dev_desc);
-	    return;
-#endif
-
-#ifdef CONFIG_EFI_PARTITION
-	case PART_TYPE_EFI:
-		PRINTF ("## Testing for valid EFI partition ##\n");
-		print_part_header ("EFI", dev_desc);
-		print_part_efi (dev_desc);
-		return;
-#endif
 	}
-	puts ("## Unknown partition table\n");
+
+	PRINTF("## Testing for valid %s partition ##\n", drv->name);
+	print_part_header(drv->name, dev_desc);
+	if (drv->print)
+		drv->print(dev_desc);
 }
 
 #endif /* HAVE_BLOCK_DEVICE */
 
-int get_partition_info(block_dev_desc_t *dev_desc, int part,
+int part_get_info(struct blk_desc *dev_desc, int part,
 		       disk_partition_t *info)
 {
 #ifdef HAVE_BLOCK_DEVICE
+	struct part_driver *drv;
 
 #ifdef CONFIG_PARTITION_UUIDS
 	/* The common case is no UUID support */
 	info->uuid[0] = 0;
 #endif
-
-	switch (dev_desc->part_type) {
-#ifdef CONFIG_MAC_PARTITION
-	case PART_TYPE_MAC:
-		if (get_partition_info_mac(dev_desc, part, info) == 0) {
-			PRINTF("## Valid MAC partition found ##\n");
-			return 0;
-		}
-		break;
-#endif
-
-#ifdef CONFIG_DOS_PARTITION
-	case PART_TYPE_DOS:
-		if (get_partition_info_dos(dev_desc, part, info) == 0) {
-			PRINTF("## Valid DOS partition found ##\n");
-			return 0;
-		}
-		break;
+#ifdef CONFIG_PARTITION_TYPE_GUID
+	info->type_guid[0] = 0;
 #endif
 
-#ifdef CONFIG_ISO_PARTITION
-	case PART_TYPE_ISO:
-		if (get_partition_info_iso(dev_desc, part, info) == 0) {
-			PRINTF("## Valid ISO boot partition found ##\n");
-			return 0;
-		}
-		break;
-#endif
-
-#ifdef CONFIG_AMIGA_PARTITION
-	case PART_TYPE_AMIGA:
-		if (get_partition_info_amiga(dev_desc, part, info) == 0) {
-			PRINTF("## Valid Amiga partition found ##\n");
-			return 0;
-		}
-		break;
-#endif
-
-#ifdef CONFIG_EFI_PARTITION
-	case PART_TYPE_EFI:
-		if (get_partition_info_efi(dev_desc, part, info) == 0) {
-			PRINTF("## Valid EFI partition found ##\n");
-			return 0;
-		}
-		break;
-#endif
-	default:
-		break;
+	drv = part_driver_lookup_type(dev_desc->part_type);
+	if (!drv) {
+		debug("## Unknown partition table type %x\n",
+		      dev_desc->part_type);
+		return -EPROTONOSUPPORT;
+	}
+	if (!drv->get_info) {
+		PRINTF("## Driver %s does not have the get_info() method\n",
+		       drv->name);
+		return -ENOSYS;
+	}
+	if (drv->get_info(dev_desc, part, info) == 0) {
+		PRINTF("## Valid %s partition found ##\n", drv->name);
+		return 0;
 	}
 #endif /* HAVE_BLOCK_DEVICE */
 
 	return -1;
 }
 
-int get_device(const char *ifname, const char *dev_hwpart_str,
-	       block_dev_desc_t **dev_desc)
+int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str,
+			  struct blk_desc **dev_desc)
 {
 	char *ep;
 	char *dup_str = NULL;
@@ -467,7 +350,7 @@ int get_device(const char *ifname, const char *dev_hwpart_str,
 	if (*ep) {
 		printf("** Bad device specification %s %s **\n",
 		       ifname, dev_str);
-		dev = -1;
+		dev = -EINVAL;
 		goto cleanup;
 	}
 
@@ -476,7 +359,7 @@ int get_device(const char *ifname, const char *dev_hwpart_str,
 		if (*ep) {
 			printf("** Bad HW partition specification %s %s **\n",
 			    ifname, hwpart_str);
-			dev = -1;
+			dev = -EINVAL;
 			goto cleanup;
 		}
 	}
@@ -484,10 +367,20 @@ int get_device(const char *ifname, const char *dev_hwpart_str,
 	*dev_desc = get_dev_hwpart(ifname, dev, hwpart);
 	if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
 		printf("** Bad device %s %s **\n", ifname, dev_hwpart_str);
-		dev = -1;
+		dev = -ENOENT;
 		goto cleanup;
 	}
 
+#ifdef HAVE_BLOCK_DEVICE
+	/*
+	 * Updates the partition table for the specified hw partition.
+	 * Does not need to be done for hwpart 0 since it is default and
+	 * already loaded.
+	 */
+	if(hwpart != 0)
+		part_init(*dev_desc);
+#endif
+
 cleanup:
 	free(dup_str);
 	return dev;
@@ -496,8 +389,8 @@ cleanup:
 #define PART_UNSPECIFIED -2
 #define PART_AUTO -1
 #define MAX_SEARCH_PARTITIONS 16
-int get_device_and_partition(const char *ifname, const char *dev_part_str,
-			     block_dev_desc_t **dev_desc,
+int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
+			     struct blk_desc **dev_desc,
 			     disk_partition_t *info, int allow_whole_dev)
 {
 	int ret = -1;
@@ -510,6 +403,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
 	int part;
 	disk_partition_t tmpinfo;
 
+#ifdef CONFIG_SANDBOX
 	/*
 	 * Special-case a pseudo block device "hostfs", to allow access to the
 	 * host's own filesystem.
@@ -525,9 +419,35 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
 #ifdef CONFIG_PARTITION_UUIDS
 		info->uuid[0] = 0;
 #endif
+#ifdef CONFIG_PARTITION_TYPE_GUID
+		info->type_guid[0] = 0;
+#endif
+
+		return 0;
+	}
+#endif
+
+#ifdef CONFIG_CMD_UBIFS
+	/*
+	 * Special-case ubi, ubi goes through a mtd, rathen then through
+	 * a regular block device.
+	 */
+	if (0 == strcmp(ifname, "ubi")) {
+		if (!ubifs_is_mounted()) {
+			printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
+			return -1;
+		}
 
+		*dev_desc = NULL;
+		memset(info, 0, sizeof(*info));
+		strcpy((char *)info->type, BOOT_PART_TYPE);
+		strcpy((char *)info->name, "UBI");
+#ifdef CONFIG_PARTITION_UUIDS
+		info->uuid[0] = 0;
+#endif
 		return 0;
 	}
+#endif
 
 	/* If no dev_part_str, use bootdevice environment variable */
 	if (!dev_part_str || !strlen(dev_part_str) ||
@@ -552,7 +472,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
 	}
 
 	/* Look up the device */
-	dev = get_device(ifname, dev_str, dev_desc);
+	dev = blk_get_device_by_str(ifname, dev_str, dev_desc);
 	if (dev < 0)
 		goto cleanup;
 
@@ -609,6 +529,9 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
 #ifdef CONFIG_PARTITION_UUIDS
 		info->uuid[0] = 0;
 #endif
+#ifdef CONFIG_PARTITION_TYPE_GUID
+		info->type_guid[0] = 0;
+#endif
 
 		ret = 0;
 		goto cleanup;
@@ -626,7 +549,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
 	 * other than "auto", use that partition number directly.
 	 */
 	if (part != PART_AUTO) {
-		ret = get_partition_info(*dev_desc, part, info);
+		ret = part_get_info(*dev_desc, part, info);
 		if (ret) {
 			printf("** Invalid partition %d **\n", part);
 			goto cleanup;
@@ -638,7 +561,7 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
 		 */
 		part = 0;
 		for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
-			ret = get_partition_info(*dev_desc, p, info);
+			ret = part_get_info(*dev_desc, p, info);
 			if (ret)
 				continue;
 
@@ -692,3 +615,61 @@ cleanup:
 	free(dup_str);
 	return ret;
 }
+
+int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
+	disk_partition_t *info)
+{
+	struct part_driver *first_drv =
+		ll_entry_start(struct part_driver, part_driver);
+	const int n_drvs = ll_entry_count(struct part_driver, part_driver);
+	struct part_driver *part_drv;
+
+	for (part_drv = first_drv; part_drv != first_drv + n_drvs; part_drv++) {
+		int ret;
+		int i;
+		for (i = 1; i < part_drv->max_entries; i++) {
+			ret = part_drv->get_info(dev_desc, i, info);
+			if (ret != 0) {
+				/* no more entries in table */
+				break;
+			}
+			if (strcmp(name, (const char *)info->name) == 0) {
+				/* matched */
+				return 0;
+			}
+		}
+	}
+	return -1;
+}
+
+void part_set_generic_name(const struct blk_desc *dev_desc,
+	int part_num, char *name)
+{
+	char *devtype;
+
+	switch (dev_desc->if_type) {
+	case IF_TYPE_IDE:
+	case IF_TYPE_SATA:
+	case IF_TYPE_ATAPI:
+		devtype = "hd";
+		break;
+	case IF_TYPE_SCSI:
+		devtype = "sd";
+		break;
+	case IF_TYPE_USB:
+		devtype = "usbd";
+		break;
+	case IF_TYPE_DOC:
+		devtype = "docd";
+		break;
+	case IF_TYPE_MMC:
+	case IF_TYPE_SD:
+		devtype = "mmcsd";
+		break;
+	default:
+		devtype = "xx";
+		break;
+	}
+
+	sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num);
+}