Initial import

1 files changed, 336 insertions, 0 deletions

diff --git a/drivers/scsi/dpti.h b/drivers/scsi/dpti.h
new file mode 100644
index 000000000..1fa345ab8
--- /dev/null
+++ b/drivers/scsi/dpti.h
@@ -0,0 +1,336 @@
+/***************************************************************************
+                          dpti.h  -  description
+                             -------------------
+    begin                : Thu Sep 7 2000
+    copyright            : (C) 2001 by Adaptec
+
+    See Documentation/scsi/dpti.txt for history, notes, license info
+    and credits
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _DPT_H
+#define _DPT_H
+
+#define MAX_TO_IOP_MESSAGES   (255)
+#define MAX_FROM_IOP_MESSAGES (255)
+
+
+/*
+ * SCSI interface function Prototypes
+ */
+
+static int adpt_detect(struct scsi_host_template * sht);
+static int adpt_queue(struct Scsi_Host *h, struct scsi_cmnd * cmd);
+static int adpt_abort(struct scsi_cmnd * cmd);
+static int adpt_reset(struct scsi_cmnd* cmd);
+static int adpt_release(struct Scsi_Host *host);
+static int adpt_slave_configure(struct scsi_device *);
+
+static const char *adpt_info(struct Scsi_Host *pSHost);
+static int adpt_bios_param(struct scsi_device * sdev, struct block_device *dev,
+		sector_t, int geom[]);
+
+static int adpt_bus_reset(struct scsi_cmnd* cmd);
+static int adpt_device_reset(struct scsi_cmnd* cmd);
+
+
+/*
+ * struct scsi_host_template (see scsi/scsi_host.h)
+ */
+
+#define DPT_DRIVER_NAME	"Adaptec I2O RAID"
+
+#ifndef HOSTS_C
+
+#include "dpt/sys_info.h"
+#include <linux/wait.h>
+#include "dpt/dpti_i2o.h"
+#include "dpt/dpti_ioctl.h"
+
+#define DPT_I2O_VERSION "2.4 Build 5go"
+#define DPT_VERSION     2
+#define DPT_REVISION    '4'
+#define DPT_SUBREVISION '5'
+#define DPT_BETA	""
+#define DPT_MONTH      8 
+#define DPT_DAY        7
+#define DPT_YEAR        (2001-1980)
+
+#define DPT_DRIVER	"dpt_i2o"
+#define DPTI_I2O_MAJOR	(151)
+#define DPT_ORGANIZATION_ID (0x1B)        /* For Private Messages */
+#define DPTI_MAX_HBA	(16)
+#define MAX_CHANNEL     (5)	// Maximum Channel # Supported
+#define MAX_ID        	(128)	// Maximum Target ID Supported
+
+/* Sizes in 4 byte words */
+#define REPLY_FRAME_SIZE  (17)
+#define MAX_MESSAGE_SIZE  (128)
+#define SG_LIST_ELEMENTS  (56)
+
+#define EMPTY_QUEUE           0xffffffff
+#define I2O_INTERRUPT_PENDING_B   (0x08)
+
+#define PCI_DPT_VENDOR_ID         (0x1044)	// DPT PCI Vendor ID
+#define PCI_DPT_DEVICE_ID         (0xA501)	// DPT PCI I2O Device ID
+#define PCI_DPT_RAPTOR_DEVICE_ID  (0xA511)	
+
+/* Debugging macro from Linux Device Drivers - Rubini */
+#undef PDEBUG
+#ifdef DEBUG
+//TODO add debug level switch
+#  define PDEBUG(fmt, args...)  printk(KERN_DEBUG "dpti: " fmt, ##args)
+#  define PDEBUGV(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args)
+#else
+# define PDEBUG(fmt, args...) /* not debugging: nothing */
+# define PDEBUGV(fmt, args...) /* not debugging: nothing */
+#endif
+
+#define PERROR(fmt, args...) printk(KERN_ERR fmt, ##args)
+#define PWARN(fmt, args...) printk(KERN_WARNING fmt, ##args)
+#define PINFO(fmt, args...) printk(KERN_INFO fmt, ##args)
+#define PCRIT(fmt, args...) printk(KERN_CRIT fmt, ##args)
+
+#define SHUTDOWN_SIGS	(sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGTERM))
+
+// Command timeouts
+#define FOREVER			(0)
+#define TMOUT_INQUIRY 		(20)
+#define TMOUT_FLUSH		(360/45)
+#define TMOUT_ABORT		(30)
+#define TMOUT_SCSI		(300)
+#define TMOUT_IOPRESET		(360)
+#define TMOUT_GETSTATUS		(15)
+#define TMOUT_INITOUTBOUND	(15)
+#define TMOUT_LCT		(360)
+
+
+#define I2O_SCSI_DEVICE_DSC_MASK                0x00FF
+
+#define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION  0x000A
+
+#define I2O_SCSI_DSC_MASK                   0xFF00
+#define I2O_SCSI_DSC_SUCCESS                0x0000
+#define I2O_SCSI_DSC_REQUEST_ABORTED        0x0200
+#define I2O_SCSI_DSC_UNABLE_TO_ABORT        0x0300
+#define I2O_SCSI_DSC_COMPLETE_WITH_ERROR    0x0400
+#define I2O_SCSI_DSC_ADAPTER_BUSY           0x0500
+#define I2O_SCSI_DSC_REQUEST_INVALID        0x0600
+#define I2O_SCSI_DSC_PATH_INVALID           0x0700
+#define I2O_SCSI_DSC_DEVICE_NOT_PRESENT     0x0800
+#define I2O_SCSI_DSC_UNABLE_TO_TERMINATE    0x0900
+#define I2O_SCSI_DSC_SELECTION_TIMEOUT      0x0A00
+#define I2O_SCSI_DSC_COMMAND_TIMEOUT        0x0B00
+#define I2O_SCSI_DSC_MR_MESSAGE_RECEIVED    0x0D00
+#define I2O_SCSI_DSC_SCSI_BUS_RESET         0x0E00
+#define I2O_SCSI_DSC_PARITY_ERROR_FAILURE   0x0F00
+#define I2O_SCSI_DSC_AUTOSENSE_FAILED       0x1000
+#define I2O_SCSI_DSC_NO_ADAPTER             0x1100
+#define I2O_SCSI_DSC_DATA_OVERRUN           0x1200
+#define I2O_SCSI_DSC_UNEXPECTED_BUS_FREE    0x1300
+#define I2O_SCSI_DSC_SEQUENCE_FAILURE       0x1400
+#define I2O_SCSI_DSC_REQUEST_LENGTH_ERROR   0x1500
+#define I2O_SCSI_DSC_PROVIDE_FAILURE        0x1600
+#define I2O_SCSI_DSC_BDR_MESSAGE_SENT       0x1700
+#define I2O_SCSI_DSC_REQUEST_TERMINATED     0x1800
+#define I2O_SCSI_DSC_IDE_MESSAGE_SENT       0x3300
+#define I2O_SCSI_DSC_RESOURCE_UNAVAILABLE   0x3400
+#define I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT   0x3500
+#define I2O_SCSI_DSC_MESSAGE_RECEIVED       0x3600
+#define I2O_SCSI_DSC_INVALID_CDB            0x3700
+#define I2O_SCSI_DSC_LUN_INVALID            0x3800
+#define I2O_SCSI_DSC_SCSI_TID_INVALID       0x3900
+#define I2O_SCSI_DSC_FUNCTION_UNAVAILABLE   0x3A00
+#define I2O_SCSI_DSC_NO_NEXUS               0x3B00
+#define I2O_SCSI_DSC_SCSI_IID_INVALID       0x3C00
+#define I2O_SCSI_DSC_CDB_RECEIVED           0x3D00
+#define I2O_SCSI_DSC_LUN_ALREADY_ENABLED    0x3E00
+#define I2O_SCSI_DSC_BUS_BUSY               0x3F00
+#define I2O_SCSI_DSC_QUEUE_FROZEN           0x4000
+
+
+#ifndef TRUE
+#define TRUE                  1
+#define FALSE                 0
+#endif
+
+#define HBA_FLAGS_INSTALLED_B       0x00000001	// Adapter Was Installed
+#define HBA_FLAGS_BLINKLED_B        0x00000002	// Adapter In Blink LED State
+#define HBA_FLAGS_IN_RESET	0x00000040	/* in reset */
+#define HBA_HOSTRESET_FAILED	0x00000080	/* adpt_resethost failed */
+
+
+// Device state flags
+#define DPTI_DEV_ONLINE    0x00
+#define DPTI_DEV_UNSCANNED 0x01
+#define DPTI_DEV_RESET	   0x02
+#define DPTI_DEV_OFFLINE   0x04
+
+
+struct adpt_device {
+	struct adpt_device* next_lun;
+	u32	flags;
+	u32	type;
+	u32	capacity;
+	u32	block_size;
+	u8	scsi_channel;
+	u8	scsi_id;
+	u64	scsi_lun;
+	u8	state;
+	u16	tid;
+	struct i2o_device* pI2o_dev;
+	struct scsi_device *pScsi_dev;
+};
+
+struct adpt_channel {
+	struct adpt_device* device[MAX_ID];	/* used as an array of 128 scsi ids */
+	u8	scsi_id;
+	u8	type;
+	u16	tid;
+	u32	state;
+	struct i2o_device* pI2o_dev;
+};
+
+// HBA state flags
+#define DPTI_STATE_RESET	(0x01)
+
+typedef struct _adpt_hba {
+	struct _adpt_hba *next;
+	struct pci_dev *pDev;
+	struct Scsi_Host *host;
+	u32 state;
+	spinlock_t state_lock;
+	int unit;
+	int host_no;		/* SCSI host number */
+	u8 initialized;
+	u8 in_use;		/* is the management node open*/
+
+	char name[32];
+	char detail[55];
+
+	void __iomem *base_addr_virt;
+	void __iomem *msg_addr_virt;
+	ulong base_addr_phys;
+	void __iomem *post_port;
+	void __iomem *reply_port;
+	void __iomem *irq_mask;
+	u16  post_count;
+	u32  post_fifo_size;
+	u32  reply_fifo_size;
+	u32* reply_pool;
+	dma_addr_t reply_pool_pa;
+	u32  sg_tablesize;	// Scatter/Gather List Size.       
+	u8  top_scsi_channel;
+	u8  top_scsi_id;
+	u64  top_scsi_lun;
+	u8  dma64;
+
+	i2o_status_block* status_block;
+	dma_addr_t status_block_pa;
+	i2o_hrt* hrt;
+	dma_addr_t hrt_pa;
+	i2o_lct* lct;
+	dma_addr_t lct_pa;
+	uint lct_size;
+	struct i2o_device* devices;
+	struct adpt_channel channel[MAX_CHANNEL];
+	struct proc_dir_entry* proc_entry;	/* /proc dir */
+
+	void __iomem *FwDebugBuffer_P;	// Virtual Address Of FW Debug Buffer
+	u32   FwDebugBufferSize;	// FW Debug Buffer Size In Bytes
+	void __iomem *FwDebugStrLength_P;// Virtual Addr Of FW Debug String Len
+	void __iomem *FwDebugFlags_P;	// Virtual Address Of FW Debug Flags 
+	void __iomem *FwDebugBLEDflag_P;// Virtual Addr Of FW Debug BLED
+	void __iomem *FwDebugBLEDvalue_P;// Virtual Addr Of FW Debug BLED
+	u32 FwDebugFlags;
+	u32 *ioctl_reply_context[4];
+} adpt_hba;
+
+struct sg_simple_element {
+   u32  flag_count;
+   u32 addr_bus;
+}; 
+
+/*
+ * Function Prototypes
+ */
+
+static void adpt_i2o_sys_shutdown(void);
+static int adpt_init(void);
+static int adpt_i2o_build_sys_table(void);
+static irqreturn_t adpt_isr(int irq, void *dev_id);
+
+static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d);
+static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid, 
+			int group, int field, void *buf, int buflen);
+#ifdef DEBUG
+static const char *adpt_i2o_get_class_name(int class);
+#endif
+static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid, 
+		  void *opblk, dma_addr_t opblk_pa, int oplen,
+		  void *resblk, dma_addr_t resblk_pa, int reslen);
+static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout);
+static int adpt_i2o_lct_get(adpt_hba* pHba);
+static int adpt_i2o_parse_lct(adpt_hba* pHba);
+static int adpt_i2o_activate_hba(adpt_hba* pHba);
+static int adpt_i2o_enable_hba(adpt_hba* pHba);
+static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d);
+static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len);
+static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba);
+static s32 adpt_i2o_status_get(adpt_hba* pHba);
+static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba);
+static s32 adpt_i2o_hrt_get(adpt_hba* pHba);
+static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* dptdevice);
+static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd);
+static s32 adpt_scsi_host_alloc(adpt_hba* pHba,struct scsi_host_template * sht);
+static s32 adpt_hba_reset(adpt_hba* pHba);
+static s32 adpt_i2o_reset_hba(adpt_hba* pHba);
+static s32 adpt_rescan(adpt_hba* pHba);
+static s32 adpt_i2o_reparse_lct(adpt_hba* pHba);
+static s32 adpt_send_nop(adpt_hba*pHba,u32 m);
+static void adpt_i2o_delete_hba(adpt_hba* pHba);
+static void adpt_inquiry(adpt_hba* pHba);
+static void adpt_fail_posted_scbs(adpt_hba* pHba);
+static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u64 lun);
+static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) ;
+static int adpt_i2o_online_hba(adpt_hba* pHba);
+static void adpt_i2o_post_wait_complete(u32, int);
+static int adpt_i2o_systab_send(adpt_hba* pHba);
+
+static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg);
+static int adpt_open(struct inode *inode, struct file *file);
+static int adpt_close(struct inode *inode, struct file *file);
+
+
+#ifdef UARTDELAY
+static void adpt_delay(int millisec);
+#endif
+
+#define PRINT_BUFFER_SIZE     512
+
+#define HBA_FLAGS_DBG_FLAGS_MASK         0xffff0000	// Mask for debug flags
+#define HBA_FLAGS_DBG_KERNEL_PRINT_B     0x00010000	// Kernel Debugger Print
+#define HBA_FLAGS_DBG_FW_PRINT_B         0x00020000	// Firmware Debugger Print
+#define HBA_FLAGS_DBG_FUNCTION_ENTRY_B   0x00040000	// Function Entry Point
+#define HBA_FLAGS_DBG_FUNCTION_EXIT_B    0x00080000	// Function Exit
+#define HBA_FLAGS_DBG_ERROR_B            0x00100000	// Error Conditions
+#define HBA_FLAGS_DBG_INIT_B             0x00200000	// Init Prints
+#define HBA_FLAGS_DBG_OS_COMMANDS_B      0x00400000	// OS Command Info
+#define HBA_FLAGS_DBG_SCAN_B             0x00800000	// Device Scan
+
+#define FW_DEBUG_STR_LENGTH_OFFSET 0
+#define FW_DEBUG_FLAGS_OFFSET      4
+#define FW_DEBUG_BLED_OFFSET       8
+
+#define FW_DEBUG_FLAGS_NO_HEADERS_B    0x01
+#endif				/* !HOSTS_C */
+#endif				/* _DPT_H */