auto import from //depot/cupcake/@135843

1 files changed, 68 insertions, 0 deletions

diff --git a/libc/kernel/common/linux/mtd/flashchip.h b/libc/kernel/common/linux/mtd/flashchip.h
new file mode 100644
index 0000000..e441048
--- /dev/null
+++ b/libc/kernel/common/linux/mtd/flashchip.h
@@ -0,0 +1,68 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __MTD_FLASHCHIP_H__
+#define __MTD_FLASHCHIP_H__
+
+#include <linux/sched.h>
+
+typedef enum {
+ FL_READY,
+ FL_STATUS,
+ FL_CFI_QUERY,
+ FL_JEDEC_QUERY,
+ FL_ERASING,
+ FL_ERASE_SUSPENDING,
+ FL_ERASE_SUSPENDED,
+ FL_WRITING,
+ FL_WRITING_TO_BUFFER,
+ FL_OTP_WRITE,
+ FL_WRITE_SUSPENDING,
+ FL_WRITE_SUSPENDED,
+ FL_PM_SUSPENDED,
+ FL_SYNCING,
+ FL_UNLOADING,
+ FL_LOCKING,
+ FL_UNLOCKING,
+ FL_POINT,
+ FL_XIP_WHILE_ERASING,
+ FL_XIP_WHILE_WRITING,
+ FL_UNKNOWN
+} flstate_t;
+
+struct flchip {
+ unsigned long start;
+
+ int ref_point_counter;
+ flstate_t state;
+ flstate_t oldstate;
+
+ unsigned int write_suspended:1;
+ unsigned int erase_suspended:1;
+ unsigned long in_progress_block_addr;
+
+ spinlock_t *mutex;
+ spinlock_t _spinlock;
+ wait_queue_head_t wq;
+ int word_write_time;
+ int buffer_write_time;
+ int erase_time;
+
+ void *priv;
+};
+
+struct flchip_shared {
+ spinlock_t lock;
+ struct flchip *writing;
+ struct flchip *erasing;
+};
+
+#endif