path: root/drivers/scsi/pm8001/pm8001_sas.h

/*
 * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver
 *
 * Copyright (c) 2008-2009 USI Co., Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 */

#ifndef _PM8001_SAS_H_
#define _PM8001_SAS_H_

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/ctype.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <scsi/libsas.h>
#include <scsi/scsi_tcq.h>
#include <scsi/sas_ata.h>
#include <linux/atomic.h>
#include "pm8001_defs.h"

#define DRV_NAME		"pm80xx"
#define DRV_VERSION		"0.1.38"
#define PM8001_FAIL_LOGGING	0x01 /* Error message logging */
#define PM8001_INIT_LOGGING	0x02 /* driver init logging */
#define PM8001_DISC_LOGGING	0x04 /* discovery layer logging */
#define PM8001_IO_LOGGING	0x08 /* I/O path logging */
#define PM8001_EH_LOGGING	0x10 /* libsas EH function logging*/
#define PM8001_IOCTL_LOGGING	0x20 /* IOCTL message logging */
#define PM8001_MSG_LOGGING	0x40 /* misc message logging */
#define pm8001_printk(format, arg...)	printk(KERN_INFO "pm80xx %s %d:" \
			format, __func__, __LINE__, ## arg)
#define PM8001_CHECK_LOGGING(HBA, LEVEL, CMD)	\
do {						\
	if (unlikely(HBA->logging_level & LEVEL))	\
		do {					\
			CMD;				\
		} while (0);				\
} while (0);

#define PM8001_EH_DBG(HBA, CMD)			\
	PM8001_CHECK_LOGGING(HBA, PM8001_EH_LOGGING, CMD)

#define PM8001_INIT_DBG(HBA, CMD)		\
	PM8001_CHECK_LOGGING(HBA, PM8001_INIT_LOGGING, CMD)

#define PM8001_DISC_DBG(HBA, CMD)		\
	PM8001_CHECK_LOGGING(HBA, PM8001_DISC_LOGGING, CMD)

#define PM8001_IO_DBG(HBA, CMD)		\
	PM8001_CHECK_LOGGING(HBA, PM8001_IO_LOGGING, CMD)

#define PM8001_FAIL_DBG(HBA, CMD)		\
	PM8001_CHECK_LOGGING(HBA, PM8001_FAIL_LOGGING, CMD)

#define PM8001_IOCTL_DBG(HBA, CMD)		\
	PM8001_CHECK_LOGGING(HBA, PM8001_IOCTL_LOGGING, CMD)

#define PM8001_MSG_DBG(HBA, CMD)		\
	PM8001_CHECK_LOGGING(HBA, PM8001_MSG_LOGGING, CMD)


#define PM8001_USE_TASKLET
#define PM8001_USE_MSIX
#define PM8001_READ_VPD


#define DEV_IS_EXPANDER(type)	((type == SAS_EDGE_EXPANDER_DEVICE) || (type == SAS_FANOUT_EXPANDER_DEVICE))
#define IS_SPCV_12G(dev)	((dev->device == 0X8074)		\
				|| (dev->device == 0X8076)		\
				|| (dev->device == 0X8077)		\
				|| (dev->device == 0X8070)		\
				|| (dev->device == 0X8072))

#define PM8001_NAME_LENGTH		32/* generic length of strings */
extern struct list_head hba_list;
extern const struct pm8001_dispatch pm8001_8001_dispatch;
extern const struct pm8001_dispatch pm8001_80xx_dispatch;

struct pm8001_hba_info;
struct pm8001_ccb_info;
struct pm8001_device;
/* define task management IU */
struct pm8001_tmf_task {
	u8	tmf;
	u32	tag_of_task_to_be_managed;
};
struct pm8001_ioctl_payload {
	u32	signature;
	u16	major_function;
	u16	minor_function;
	u16	length;
	u16	status;
	u16	offset;
	u16	id;
	u8	*func_specific;
};

#define MPI_FATAL_ERROR_TABLE_OFFSET_MASK 0xFFFFFF
#define MPI_FATAL_ERROR_TABLE_SIZE(value) ((0xFF000000 & value) >> SHIFT24)
#define MPI_FATAL_EDUMP_TABLE_LO_OFFSET            0x00     /* HNFBUFL */
#define MPI_FATAL_EDUMP_TABLE_HI_OFFSET            0x04     /* HNFBUFH */
#define MPI_FATAL_EDUMP_TABLE_LENGTH               0x08     /* HNFBLEN */
#define MPI_FATAL_EDUMP_TABLE_HANDSHAKE            0x0C     /* FDDHSHK */
#define MPI_FATAL_EDUMP_TABLE_STATUS               0x10     /* FDDTSTAT */
#define MPI_FATAL_EDUMP_TABLE_ACCUM_LEN            0x14     /* ACCDDLEN */
#define MPI_FATAL_EDUMP_HANDSHAKE_RDY              0x1
#define MPI_FATAL_EDUMP_HANDSHAKE_BUSY             0x0
#define MPI_FATAL_EDUMP_TABLE_STAT_RSVD                 0x0
#define MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED           0x1
#define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA 0x2
#define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE      0x3
#define TYPE_GSM_SPACE        1
#define TYPE_QUEUE            2
#define TYPE_FATAL            3
#define TYPE_NON_FATAL        4
#define TYPE_INBOUND          1
#define TYPE_OUTBOUND         2
struct forensic_data {
	u32  data_type;
	union {
		struct {
			u32  direct_len;
			u32  direct_offset;
			void  *direct_data;
		} gsm_buf;
		struct {
			u16  queue_type;
			u16  queue_index;
			u32  direct_len;
			void  *direct_data;
		} queue_buf;
		struct {
			u32  direct_len;
			u32  direct_offset;
			u32  read_len;
			void  *direct_data;
		} data_buf;
	};
};

/* bit31-26 - mask bar */
#define SCRATCH_PAD0_BAR_MASK                    0xFC000000
/* bit25-0  - offset mask */
#define SCRATCH_PAD0_OFFSET_MASK                 0x03FFFFFF
/* if AAP error state */
#define SCRATCH_PAD0_AAPERR_MASK                 0xFFFFFFFF
/* Inbound doorbell bit7 */
#define SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP	 0x80
/* Inbound doorbell bit7 SPCV */
#define SPCV_MSGU_CFG_TABLE_TRANSFER_DEBUG_INFO  0x80
#define MAIN_MERRDCTO_MERRDCES		         0xA0/* DWORD 0x28) */

struct pm8001_dispatch {
	char *name;
	int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
	int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha);
	void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
	int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
	void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
	irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
	u32 (*is_our_interupt)(struct pm8001_hba_info *pm8001_ha);
	int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
	void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
	void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
	void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
	int (*smp_req)(struct pm8001_hba_info *pm8001_ha,
		struct pm8001_ccb_info *ccb);
	int (*ssp_io_req)(struct pm8001_hba_info *pm8001_ha,
		struct pm8001_ccb_info *ccb);
	int (*sata_req)(struct pm8001_hba_info *pm8001_ha,
		struct pm8001_ccb_info *ccb);
	int (*phy_start_req)(struct pm8001_hba_info *pm8001_ha,	u8 phy_id);
	int (*phy_stop_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
	int (*reg_dev_req)(struct pm8001_hba_info *pm8001_ha,
		struct pm8001_device *pm8001_dev, u32 flag);
	int (*dereg_dev_req)(struct pm8001_hba_info *pm8001_ha, u32 device_id);
	int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha,
		u32 phy_id, u32 phy_op);
	int (*task_abort)(struct pm8001_hba_info *pm8001_ha,
		struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag,
		u32 cmd_tag);
	int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
		struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf);
	int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
	int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
	int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
		void *payload);
	int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha,
		struct pm8001_device *pm8001_dev, u32 state);
	int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha,
		u32 state);
	int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
		u32 state);
	int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
};

struct pm8001_chip_info {
	u32     encrypt