Merge git://git.denx.de/u-boot-mmc

[people/ms/u-boot.git] / include / blk.h

diff --git a/include/blk.h b/include/blk.h
index 27abfddb94f7ba2ddf9ffd4f1a35a62c7ec1d6e0..636eed9de9125cb66f2490992fdbf2c8008f8fd5 100644 (file)
--- a/include/blk.h
+++ b/include/blk.h
@@ -8,6 +8,8 @@
 #ifndef BLK_H
 #define BLK_H
 
+#include <efi.h>
+
 #ifdef CONFIG_SYS_64BIT_LBA
 typedef uint64_t lbaint_t;
 #define LBAFlength "ll"
@@ -30,8 +32,8 @@ enum if_type {
        IF_TYPE_SD,
        IF_TYPE_SATA,
        IF_TYPE_HOST,
-       IF_TYPE_SYSTEMACE,
        IF_TYPE_NVME,
+       IF_TYPE_EFI,
 
        IF_TYPE_COUNT,                  /* Number of interface types */
 };
@@ -40,6 +42,17 @@ enum if_type {
 #define BLK_PRD_SIZE           20
 #define BLK_REV_SIZE           8
 
+/*
+ * Identifies the partition table type (ie. MBR vs GPT GUID) signature
+ */
+enum sig_type {
+       SIG_TYPE_NONE,
+       SIG_TYPE_MBR,
+       SIG_TYPE_GUID,
+
+       SIG_TYPE_COUNT                  /* Number of signature types */
+};
+
 /*
  * With driver model (CONFIG_BLK) this is uclass platform data, accessible
  * with dev_get_uclass_platdata(dev)
@@ -67,6 +80,11 @@ struct blk_desc {
        char            vendor[BLK_VEN_SIZE + 1]; /* device vendor string */
        char            product[BLK_PRD_SIZE + 1]; /* device product number */
        char            revision[BLK_REV_SIZE + 1]; /* firmware revision */
+       enum sig_type   sig_type;       /* Partition table signature type */
+       union {
+               uint32_t mbr_sig;       /* MBR integer signature */
+               efi_guid_t guid_sig;    /* GPT GUID Signature */
+       };
 #if CONFIG_IS_ENABLED(BLK)
        /*
         * For now we have a few functions which take struct blk_desc as a
@@ -315,12 +333,12 @@ int blk_next_device(struct udevice **devp);
  * @devnum:    Device number, specific to the interface type, or -1 to
  *             allocate the next available number
  * @blksz:     Block size of the device in bytes (typically 512)
- * @size:      Total size of the device in bytes
+ * @lba:       Total number of blocks of the device
  * @devp:      the new device (which has not been probed)
  */
 int blk_create_device(struct udevice *parent, const char *drv_name,
                      const char *name, int if_type, int devnum, int blksz,
-                     lbaint_t size, struct udevice **devp);
+                     lbaint_t lba, struct udevice **devp);
 
 /**
  * blk_create_devicef() - Create a new named block device
@@ -332,12 +350,12 @@ int blk_create_device(struct udevice *parent, const char *drv_name,
  * @devnum:    Device number, specific to the interface type, or -1 to
  *             allocate the next available number
  * @blksz:     Block size of the device in bytes (typically 512)
- * @size:      Total size of the device in bytes
+ * @lba:       Total number of blocks of the device
  * @devp:      the new device (which has not been probed)
  */
 int blk_create_devicef(struct udevice *parent, const char *drv_name,
                       const char *name, int if_type, int devnum, int blksz,
-                      lbaint_t size, struct udevice **devp);
+                      lbaint_t lba, struct udevice **devp);
 
 /**
  * blk_prepare_device() - Prepare a block device for use