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Commit 00f59701 authored by HighPoint Linux Team's avatar HighPoint Linux Team Committed by James Bottomley
Browse files

[SCSI] hptiop: add more adapter models and other fixes 



Most code changes were made to support adapters based on Marvell IOP, plus some
other fixes.

- add more PCI device IDs
- support for adapters based on Marvell IOP
- fix a result code translation error on big-endian systems
- fix resource releasing bug when scsi_host_alloc() fail in hptiop_probe()
- update scsi_cmnd.resid when finishing a request
- correct some coding style issues

[akpm@linux-foundation.org: type fixes]
Signed-off-by: default avatarHighPoint Linux Team <linux@highpoint-tech.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent a7ed0448

Documentation/scsi/hptiop.txt

+21 −9
Original line number Diff line number Diff line 
HIGHPOINT ROCKETRAID 3xxx RAID DRIVER (hptiop)

HIGHPOINT ROCKETRAID 3xxx/4xxx ADAPTER DRIVER (hptiop)



Controller Register Map

-------------------------



The controller IOP is accessed via PCI BAR0.

For Intel IOP based adapters, the controller IOP is accessed via PCI BAR0:



     BAR0 offset    Register

            0x10    Inbound Message Register 0
@@ -18,6 +18,24 @@ The controller IOP is accessed via PCI BAR0. 
            0x40    Inbound Queue Port

            0x44    Outbound Queue Port



For Marvell IOP based adapters, the IOP is accessed via PCI BAR0 and BAR1:



     BAR0 offset    Register

         0x20400    Inbound Doorbell Register

         0x20404    Inbound Interrupt Mask Register

         0x20408    Outbound Doorbell Register

         0x2040C    Outbound Interrupt Mask Register



     BAR1 offset    Register

             0x0    Inbound Queue Head Pointer

             0x4    Inbound Queue Tail Pointer

             0x8    Outbound Queue Head Pointer

             0xC    Outbound Queue Tail Pointer

            0x10    Inbound Message Register

            0x14    Outbound Message Register

     0x40-0x1040    Inbound Queue

   0x1040-0x2040    Outbound Queue





I/O Request Workflow

----------------------
@@ -73,15 +91,9 @@ The driver exposes following sysfs attributes: 
     driver-version        R     driver version string

     firmware-version      R     firmware version string



The driver registers char device "hptiop" to communicate with HighPoint RAID

management software. Its ioctl routine acts as a general binary interface 

between the IOP firmware and HighPoint RAID management software. New management

functions can be implemented in application/firmware without modification

in driver code.





-----------------------------------------------------------------------------

Copyright (C) 2006 HighPoint Technologies, Inc. All Rights Reserved.

Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved.



  This file is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

drivers/scsi/Kconfig

+2 −2
Original line number Diff line number Diff line
@@ -573,10 +573,10 @@ config SCSI_ARCMSR_AER 
source "drivers/scsi/megaraid/Kconfig.megaraid"



config SCSI_HPTIOP

	tristate "HighPoint RocketRAID 3xxx Controller support"

	tristate "HighPoint RocketRAID 3xxx/4xxx Controller support"

	depends on SCSI && PCI

	help

	  This option enables support for HighPoint RocketRAID 3xxx

	  This option enables support for HighPoint RocketRAID 3xxx/4xxx

	  controllers.



	  To compile this driver as a module, choose M here; the module

drivers/scsi/hptiop.c

+464 −129

File changed.

Preview size limit exceeded, changes collapsed.

drivers/scsi/hptiop.h

+89 −35
Original line number Diff line number Diff line 
/*

 * HighPoint RR3xxx controller driver for Linux

 * HighPoint RR3xxx/4xxx controller driver for Linux

 * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved.

 *

 * This program is free software; you can redistribute it and/or modify
@@ -18,8 +18,7 @@ 
#ifndef _HPTIOP_H_

#define _HPTIOP_H_



struct hpt_iopmu

{

struct hpt_iopmu_itl {

	__le32 resrved0[4];

	__le32 inbound_msgaddr0;

	__le32 inbound_msgaddr1;
@@ -54,6 +53,40 @@ struct hpt_iopmu 
#define IOPMU_INBOUND_INT_ERROR      8

#define IOPMU_INBOUND_INT_POSTQUEUE  0x10



#define MVIOP_QUEUE_LEN  512



struct hpt_iopmu_mv {

	__le32 inbound_head;

	__le32 inbound_tail;

	__le32 outbound_head;

	__le32 outbound_tail;

	__le32 inbound_msg;

	__le32 outbound_msg;

	__le32 reserve[10];

	__le64 inbound_q[MVIOP_QUEUE_LEN];

	__le64 outbound_q[MVIOP_QUEUE_LEN];

};



struct hpt_iopmv_regs {

	__le32 reserved[0x20400 / 4];

	__le32 inbound_doorbell;

	__le32 inbound_intmask;

	__le32 outbound_doorbell;

	__le32 outbound_intmask;

};



#define MVIOP_MU_QUEUE_ADDR_HOST_MASK   (~(0x1full))

#define MVIOP_MU_QUEUE_ADDR_HOST_BIT    4



#define MVIOP_MU_QUEUE_ADDR_IOP_HIGH32  0xffffffff

#define MVIOP_MU_QUEUE_REQUEST_RESULT_BIT   1

#define MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT 2



#define MVIOP_MU_INBOUND_INT_MSG        1

#define MVIOP_MU_INBOUND_INT_POSTQUEUE  2

#define MVIOP_MU_OUTBOUND_INT_MSG       1

#define MVIOP_MU_OUTBOUND_INT_POSTQUEUE 2



enum hpt_iopmu_message {

	/* host-to-iop messages */

	IOPMU_INBOUND_MSG0_NOP = 0,
@@ -72,8 +105,7 @@ enum hpt_iopmu_message { 
	IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_MAX = 0x3ff,

};



struct hpt_iop_request_header

{

struct hpt_iop_request_header {

	__le32 size;

	__le32 type;

	__le32 flags;
@@ -104,11 +136,10 @@ enum hpt_iop_result_type { 
	IOP_RESULT_RESET,

	IOP_RESULT_INVALID_REQUEST,

	IOP_RESULT_BAD_TARGET,

	IOP_RESULT_MODE_SENSE_CHECK_CONDITION,

	IOP_RESULT_CHECK_CONDITION,

};



struct hpt_iop_request_get_config

{

struct hpt_iop_request_get_config {

	struct hpt_iop_request_header header;

	__le32 interface_version;

	__le32 firmware_version;
@@ -121,8 +152,7 @@ struct hpt_iop_request_get_config 
	__le32 sdram_size;

};



struct hpt_iop_request_set_config

{

struct hpt_iop_request_set_config {

	struct hpt_iop_request_header header;

	__le32 iop_id;

	__le16 vbus_id;
@@ -130,15 +160,13 @@ struct hpt_iop_request_set_config 
	__le32 reserve[6];

};



struct hpt_iopsg

{

struct hpt_iopsg {

	__le32 size;

	__le32 eot; /* non-zero: end of table */

	__le64 pci_address;

};



struct hpt_iop_request_block_command

{

struct hpt_iop_request_block_command {

	struct hpt_iop_request_header header;

	u8     channel;

	u8     target;
@@ -156,8 +184,7 @@ struct hpt_iop_request_block_command 
#define IOP_BLOCK_COMMAND_FLUSH    4

#define IOP_BLOCK_COMMAND_SHUTDOWN 5



struct hpt_iop_request_scsi_command

{

struct hpt_iop_request_scsi_command {

	struct hpt_iop_request_header header;

	u8     channel;

	u8     target;
@@ -168,8 +195,7 @@ struct hpt_iop_request_scsi_command 
	struct hpt_iopsg sg_list[1];

};



struct hpt_iop_request_ioctl_command

{

struct hpt_iop_request_ioctl_command {

	struct hpt_iop_request_header header;

	__le32 ioctl_code;

	__le32 inbuf_size;
@@ -198,7 +224,19 @@ struct hpt_scsi_pointer { 
#define HPT_SCP(scp) ((struct hpt_scsi_pointer *)&(scp)->SCp)



struct hptiop_hba {

	struct hpt_iopmu __iomem * iop;

	struct hptiop_adapter_ops *ops;

	union {

		struct {

			struct hpt_iopmu_itl __iomem *iop;

		} itl;

		struct {

			struct hpt_iopmv_regs *regs;

			struct hpt_iopmu_mv __iomem *mu;

			void *internal_req;

			dma_addr_t internal_req_phy;

		} mv;

	} u;



	struct Scsi_Host *host;

	struct pci_dev *pcidev;
@@ -213,9 +251,9 @@ struct hptiop_hba { 


	u32     req_size; /* host-allocated request buffer size */



	int     iopintf_v2: 1;

	int     initialized: 1;

	int     msg_done: 1;

	u32     iopintf_v2: 1;

	u32     initialized: 1;

	u32     msg_done: 1;



	struct hptiop_request * req_list;

	struct hptiop_request reqs[HPTIOP_MAX_REQUESTS];
@@ -231,8 +269,7 @@ struct hptiop_hba { 
	wait_queue_head_t ioctl_wq;

};



struct hpt_ioctl_k

{

struct hpt_ioctl_k {

	struct hptiop_hba * hba;

	u32    ioctl_code;

	u32    inbuf_size;
@@ -244,6 +281,23 @@ struct hpt_ioctl_k 
	int    result; /* HPT_IOCTL_RESULT_ */

};



struct hptiop_adapter_ops {

	int  (*iop_wait_ready)(struct hptiop_hba *hba, u32 millisec);

	int  (*internal_memalloc)(struct hptiop_hba *hba);

	int  (*internal_memfree)(struct hptiop_hba *hba);

	int  (*map_pci_bar)(struct hptiop_hba *hba);

	void (*unmap_pci_bar)(struct hptiop_hba *hba);

	void (*enable_intr)(struct hptiop_hba *hba);

	void (*disable_intr)(struct hptiop_hba *hba);

	int  (*get_config)(struct hptiop_hba *hba,

				struct hpt_iop_request_get_config *config);

	int  (*set_config)(struct hptiop_hba *hba,

				struct hpt_iop_request_set_config *config);

	int  (*iop_intr)(struct hptiop_hba *hba);

	void (*post_msg)(struct hptiop_hba *hba, u32 msg);

	void (*post_req)(struct hptiop_hba *hba, struct hptiop_request *_req);

};



#define HPT_IOCTL_RESULT_OK         0

#define HPT_IOCTL_RESULT_FAILED     (-1)