+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
*/
#ifndef _SCSI_H
#define _SCSI_H
-typedef struct SCSI_cmd_block{
+struct scsi_cmd {
unsigned char cmd[16]; /* command */
- unsigned char sense_buf[64]; /* for request sense */
+ /* for request sense */
+ unsigned char sense_buf[64]
+ __attribute__((aligned(ARCH_DMA_MINALIGN)));
unsigned char status; /* SCSI Status */
unsigned char target; /* Target ID */
unsigned char lun; /* Target LUN */
unsigned char cmdlen; /* command len */
unsigned long datalen; /* Total data length */
- unsigned char * pdata; /* pointer to data */
+ unsigned char * pdata; /* pointer to data */
unsigned char msgout[12]; /* Messge out buffer (NOT USED) */
unsigned char msgin[12]; /* Message in buffer */
unsigned char sensecmdlen; /* Sense command len */
unsigned long trans_bytes; /* tranfered bytes */
unsigned int priv;
-}ccb;
+};
/*-----------------------------------------------------------
**
#define M_HEAD_TAG (0x21)
#define M_ORDERED_TAG (0x22)
#define M_IGN_RESIDUE (0x23)
-#define M_IDENTIFY (0x80)
+#define M_IDENTIFY (0x80)
#define M_X_MODIFY_DP (0x00)
#define M_X_SYNC_REQ (0x01)
#define SCSI_MED_REMOVL 0x1E /* Prevent/Allow medium Removal (O) */
#define SCSI_READ6 0x08 /* Read 6-byte (MANDATORY) */
#define SCSI_READ10 0x28 /* Read 10-byte (MANDATORY) */
+#define SCSI_READ16 0x48
#define SCSI_RD_CAPAC 0x25 /* Read Capacity (MANDATORY) */
+#define SCSI_RD_CAPAC10 SCSI_RD_CAPAC /* Read Capacity (10) */
+#define SCSI_RD_CAPAC16 0x9e /* Read Capacity (16) */
#define SCSI_RD_DEFECT 0x37 /* Read Defect Data (O) */
#define SCSI_READ_LONG 0x3E /* Read Long (O) */
#define SCSI_REASS_BLK 0x07 /* Reassign Blocks (O) */
#define SCSI_WRITE_LONG 0x3F /* Write Long (O) */
#define SCSI_WRITE_SAME 0x41 /* Write Same (O) */
-
-/****************************************************************************
- * decleration of functions which have to reside in the LowLevel Part Driver
+/**
+ * struct scsi_platdata - stores information about SCSI controller
+ *
+ * @base: Controller base address
+ * @max_lun: Maximum number of logical units
+ * @max_id: Maximum number of target ids
*/
+struct scsi_platdata {
+ unsigned long base;
+ unsigned long max_lun;
+ unsigned long max_id;
+};
+
+/* Operations for SCSI */
+struct scsi_ops {
+ /**
+ * exec() - execute a command
+ *
+ * @dev: SCSI bus
+ * @cmd: Command to execute
+ * @return 0 if OK, -ve on error
+ */
+ int (*exec)(struct udevice *dev, struct scsi_cmd *cmd);
+
+ /**
+ * bus_reset() - reset the bus
+ *
+ * @dev: SCSI bus to reset
+ * @return 0 if OK, -ve on error
+ */
+ int (*bus_reset)(struct udevice *dev);
+};
+
+#define scsi_get_ops(dev) ((struct scsi_ops *)(dev)->driver->ops)
+
+extern struct scsi_ops scsi_ops;
+
+/**
+ * scsi_exec() - execute a command
+ *
+ * @dev: SCSI bus
+ * @cmd: Command to execute
+ * @return 0 if OK, -ve on error
+ */
+int scsi_exec(struct udevice *dev, struct scsi_cmd *cmd);
-void scsi_print_error(ccb *pccb);
-int scsi_exec(ccb *pccb);
-void scsi_bus_reset(void);
-void scsi_low_level_init(int busdevfunc);
-
+/**
+ * scsi_bus_reset() - reset the bus
+ *
+ * @dev: SCSI bus to reset
+ * @return 0 if OK, -ve on error
+ */
+int scsi_bus_reset(struct udevice *dev);
-/***************************************************************************
- * functions residing inside cmd_scsi.c
+/**
+ * scsi_scan() - Scan all SCSI controllers for available devices
+ *
+ * @vebose: true to show information about each device found
*/
-void scsi_init(void);
+int scsi_scan(bool verbose);
+/**
+ * scsi_scan_dev() - scan a SCSI bus and create devices
+ *
+ * @dev: SCSI bus
+ * @verbose: true to show information about each device found
+ */
+int scsi_scan_dev(struct udevice *dev, bool verbose);
+#ifndef CONFIG_DM_SCSI
+void scsi_low_level_init(int busdevfunc);
+void scsi_init(void);
+#endif
#define SCSI_IDENTIFY 0xC0 /* not used */
/* Hardware errors */
#define SCSI_SEL_TIME_OUT 0x00000101 /* Selection time out */
#define SCSI_HNS_TIME_OUT 0x00000102 /* Handshake */
-#define SCSI_MA_TIME_OUT 0x00000103 /* Phase error */
+#define SCSI_MA_TIME_OUT 0x00000103 /* Phase error */
#define SCSI_UNEXP_DIS 0x00000104 /* unexpected disconnect */
#define SCSI_INT_STATE 0x00010000 /* unknown Interrupt number is stored in 16 LSB */
-
-
-#ifndef TRUE
-#define TRUE 1
-#endif
-#ifndef FALSE
-#define FALSE 0
-#endif
-
-
-
-
-
#endif /* _SCSI_H */
-
projects / u-boot / blobdiff