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Commit cdd3cb15 authored by Nick Cheng's avatar Nick Cheng Committed by James Bottomley
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[SCSI] SCSI: Support Type C RAID controller 

1. To support Type C RAID controller, ACB_ADAPTER_TYPE_C, i.e. PCI device
ID: 0x1880.
Signed-off-by: Nick Cheng< nick.cheng@areca.com.tw >
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent a91c1be2
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Showing with 1182 additions and 573 deletions
drivers/scsi/arcmsr/arcmsr.h
View file @ cdd3cb15
...@@ -43,12 +43,11 @@ ...@@ -43,12 +43,11 @@
******************************************************************************* *******************************************************************************
*/ */
#include <linux/interrupt.h> #include <linux/interrupt.h>
struct device_attribute; struct device_attribute;
/*The limit of outstanding scsi command that firmware can handle*/ /*The limit of outstanding scsi command that firmware can handle*/
#define ARCMSR_MAX_OUTSTANDING_CMD 256 #define ARCMSR_MAX_OUTSTANDING_CMD 256
#define ARCMSR_MAX_FREECCB_NUM 320 #define ARCMSR_MAX_FREECCB_NUM 320
#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2009/12/09" #define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2010/02/02"
#define ARCMSR_SCSI_INITIATOR_ID 255 #define ARCMSR_SCSI_INITIATOR_ID 255
#define ARCMSR_MAX_XFER_SECTORS 512 #define ARCMSR_MAX_XFER_SECTORS 512
#define ARCMSR_MAX_XFER_SECTORS_B 4096 #define ARCMSR_MAX_XFER_SECTORS_B 4096
...@@ -61,6 +60,7 @@ struct device_attribute; ...@@ -61,6 +60,7 @@ struct device_attribute;
#define ARCMSR_MAX_HBB_POSTQUEUE 264 #define ARCMSR_MAX_HBB_POSTQUEUE 264
#define ARCMSR_MAX_XFER_LEN 0x26000 /* 152K */ #define ARCMSR_MAX_XFER_LEN 0x26000 /* 152K */
#define ARCMSR_CDB_SG_PAGE_LENGTH 256 #define ARCMSR_CDB_SG_PAGE_LENGTH 256
#define SCSI_CMD_ARECA_SPECIFIC 0xE1
#ifndef PCI_DEVICE_ID_ARECA_1880 #ifndef PCI_DEVICE_ID_ARECA_1880
#define PCI_DEVICE_ID_ARECA_1880 0x1880 #define PCI_DEVICE_ID_ARECA_1880 0x1880
#endif #endif
...@@ -153,13 +153,13 @@ struct SG32ENTRY ...@@ -153,13 +153,13 @@ struct SG32ENTRY
{ {
__le32 length; __le32 length;
__le32 address; __le32 address;
} __attribute__ ((packed)); }__attribute__ ((packed));
struct SG64ENTRY struct SG64ENTRY
{ {
__le32 length; __le32 length;
__le32 address; __le32 address;
__le32 addresshigh; __le32 addresshigh;
} __attribute__ ((packed)); }__attribute__ ((packed));
/* /*
******************************************************************** ********************************************************************
** Q Buffer of IOP Message Transfer ** Q Buffer of IOP Message Transfer
...@@ -212,11 +212,15 @@ struct FIRMWARE_INFO ...@@ -212,11 +212,15 @@ struct FIRMWARE_INFO
#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE 0x80000000 #define ARCMSR_CCBPOST_FLAG_SGL_BSIZE 0x80000000
#define ARCMSR_CCBPOST_FLAG_IAM_BIOS 0x40000000 #define ARCMSR_CCBPOST_FLAG_IAM_BIOS 0x40000000
#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS 0x40000000 #define ARCMSR_CCBREPLY_FLAG_IAM_BIOS 0x40000000
#define ARCMSR_CCBREPLY_FLAG_ERROR 0x10000000 #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0 0x10000000
#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1 0x00000001
/* outbound firmware ok */ /* outbound firmware ok */
#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000 #define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000
/* ARC-1680 Bus Reset*/ /* ARC-1680 Bus Reset*/
#define ARCMSR_ARC1680_BUS_RESET 0x00000003 #define ARCMSR_ARC1680_BUS_RESET 0x00000003
/* ARC-1880 Bus Reset*/
#define ARCMSR_ARC1880_RESET_ADAPTER 0x00000024
#define ARCMSR_ARC1880_DiagWrite_ENABLE 0x00000080
/* /*
************************************************************************ ************************************************************************
...@@ -274,6 +278,61 @@ struct FIRMWARE_INFO ...@@ -274,6 +278,61 @@ struct FIRMWARE_INFO
/* iop message_rwbuffer for message command */ /* iop message_rwbuffer for message command */
#define ARCMSR_MESSAGE_RWBUFFER 0x0000fa00 #define ARCMSR_MESSAGE_RWBUFFER 0x0000fa00
/* /*
************************************************************************
** SPEC. for Areca HBC adapter
************************************************************************
*/
#define ARCMSR_HBC_ISR_THROTTLING_LEVEL 12
#define ARCMSR_HBC_ISR_MAX_DONE_QUEUE 20
/* Host Interrupt Mask */
#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK 0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/
#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/
#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK 0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/
#define ARCMSR_HBCMU_ALL_INTMASKENABLE 0x0000000D /* disable all ISR */
/* Host Interrupt Status */
#define ARCMSR_HBCMU_UTILITY_A_ISR 0x00000001
/*
** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register.
** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled).
*/
#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR 0x00000004
/*
** Set if Outbound Doorbell register bits 30:1 have a non-zero
** value. This bit clears only when Outbound Doorbell bits
** 30:1 are ALL clear. Only a write to the Outbound Doorbell
** Clear register clears bits in the Outbound Doorbell register.
*/
#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR 0x00000008
/*
** Set whenever the Outbound Post List Producer/Consumer
** Register (FIFO) is not empty. It clears when the Outbound
** Post List FIFO is empty.
*/
#define ARCMSR_HBCMU_SAS_ALL_INT 0x00000010
/*
** This bit indicates a SAS interrupt from a source external to
** the PCIe core. This bit is not maskable.
*/
/* DoorBell*/
#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK 0x00000002
#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK 0x00000004
/*inbound message 0 ready*/
#define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE 0x00000008
/*more than 12 request completed in a time*/
#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING 0x00000010
#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK 0x00000002
/*outbound DATA WRITE isr door bell clear*/
#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR 0x00000002
#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK 0x00000004
/*outbound DATA READ isr door bell clear*/
#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR 0x00000004
/*outbound message 0 ready*/
#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE 0x00000008
/*outbound message cmd isr door bell clear*/
#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR 0x00000008
/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK 0x80000000
/*
******************************************************************************* *******************************************************************************
** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504) ** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
******************************************************************************* *******************************************************************************
...@@ -310,7 +369,7 @@ struct ARCMSR_CDB ...@@ -310,7 +369,7 @@ struct ARCMSR_CDB
struct SG32ENTRY sg32entry[1]; struct SG32ENTRY sg32entry[1];
struct SG64ENTRY sg64entry[1]; struct SG64ENTRY sg64entry[1];
} u; } u;
} __attribute__ ((packed)); };
/* /*
******************************************************************************* *******************************************************************************
** Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor ** Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
...@@ -356,7 +415,81 @@ struct MessageUnit_B ...@@ -356,7 +415,81 @@ struct MessageUnit_B
uint32_t __iomem *message_wbuffer; uint32_t __iomem *message_wbuffer;
uint32_t __iomem *message_rbuffer; uint32_t __iomem *message_rbuffer;
}; };
/*
*********************************************************************
** LSI
*********************************************************************
*/
struct MessageUnit_C{
uint32_t message_unit_status; /*0000 0003*/
uint32_t slave_error_attribute; /*0004 0007*/
uint32_t slave_error_address; /*0008 000B*/
uint32_t posted_outbound_doorbell; /*000C 000F*/
uint32_t master_error_attribute; /*0010 0013*/
uint32_t master_error_address_low; /*0014 0017*/
uint32_t master_error_address_high; /*0018 001B*/
uint32_t hcb_size; /*001C 001F*/
uint32_t inbound_doorbell; /*0020 0023*/
uint32_t diagnostic_rw_data; /*0024 0027*/
uint32_t diagnostic_rw_address_low; /*0028 002B*/
uint32_t diagnostic_rw_address_high; /*002C 002F*/
uint32_t host_int_status; /*0030 0033*/
uint32_t host_int_mask; /*0034 0037*/
uint32_t dcr_data; /*0038 003B*/
uint32_t dcr_address; /*003C 003F*/
uint32_t inbound_queueport; /*0040 0043*/
uint32_t outbound_queueport; /*0044 0047*/
uint32_t hcb_pci_address_low; /*0048 004B*/
uint32_t hcb_pci_address_high; /*004C 004F*/
uint32_t iop_int_status; /*0050 0053*/
uint32_t iop_int_mask; /*0054 0057*/
uint32_t iop_inbound_queue_port; /*0058 005B*/
uint32_t iop_outbound_queue_port; /*005C 005F*/
uint32_t inbound_free_list_index; /*0060 0063*/
uint32_t inbound_post_list_index; /*0064 0067*/
uint32_t outbound_free_list_index; /*0068 006B*/
uint32_t outbound_post_list_index; /*006C 006F*/
uint32_t inbound_doorbell_clear; /*0070 0073*/
uint32_t i2o_message_unit_control; /*0074 0077*/
uint32_t last_used_message_source_address_low; /*0078 007B*/
uint32_t last_used_message_source_address_high; /*007C 007F*/
uint32_t pull_mode_data_byte_count[4]; /*0080 008F*/
uint32_t message_dest_address_index; /*0090 0093*/
uint32_t done_queue_not_empty_int_counter_timer; /*0094 0097*/
uint32_t utility_A_int_counter_timer; /*0098 009B*/
uint32_t outbound_doorbell; /*009C 009F*/
uint32_t outbound_doorbell_clear; /*00A0 00A3*/
uint32_t message_source_address_index; /*00A4 00A7*/
uint32_t message_done_queue_index; /*00A8 00AB*/
uint32_t reserved0; /*00AC 00AF*/
uint32_t inbound_msgaddr0; /*00B0 00B3*/
uint32_t inbound_msgaddr1; /*00B4 00B7*/
uint32_t outbound_msgaddr0; /*00B8 00BB*/
uint32_t outbound_msgaddr1; /*00BC 00BF*/
uint32_t inbound_queueport_low; /*00C0 00C3*/
uint32_t inbound_queueport_high; /*00C4 00C7*/
uint32_t outbound_queueport_low; /*00C8 00CB*/
uint32_t outbound_queueport_high; /*00CC 00CF*/
uint32_t iop_inbound_queue_port_low; /*00D0 00D3*/
uint32_t iop_inbound_queue_port_high; /*00D4 00D7*/
uint32_t iop_outbound_queue_port_low; /*00D8 00DB*/
uint32_t iop_outbound_queue_port_high; /*00DC 00DF*/
uint32_t message_dest_queue_port_low; /*00E0 00E3*/
uint32_t message_dest_queue_port_high; /*00E4 00E7*/
uint32_t last_used_message_dest_address_low; /*00E8 00EB*/
uint32_t last_used_message_dest_address_high; /*00EC 00EF*/
uint32_t message_done_queue_base_address_low; /*00F0 00F3*/
uint32_t message_done_queue_base_address_high; /*00F4 00F7*/
uint32_t host_diagnostic; /*00F8 00FB*/
uint32_t write_sequence; /*00FC 00FF*/
uint32_t reserved1[34]; /*0100 0187*/
uint32_t reserved2[1950]; /*0188 1FFF*/
uint32_t message_wbuffer[32]; /*2000 207F*/
uint32_t reserved3[32]; /*2080 20FF*/
uint32_t message_rbuffer[32]; /*2100 217F*/
uint32_t reserved4[32]; /*2180 21FF*/
uint32_t msgcode_rwbuffer[256]; /*2200 23FF*/
};
/* /*
******************************************************************************* *******************************************************************************
** Adapter Control Block ** Adapter Control Block
...@@ -374,11 +507,14 @@ struct AdapterControlBlock ...@@ -374,11 +507,14 @@ struct AdapterControlBlock
unsigned long vir2phy_offset; unsigned long vir2phy_offset;
/* Offset is used in making arc cdb physical to virtual calculations */ /* Offset is used in making arc cdb physical to virtual calculations */
uint32_t outbound_int_enable; uint32_t outbound_int_enable;
uint32_t cdb_phyaddr_hi32;
uint32_t reg_mu_acc_handle0;
spinlock_t eh_lock; spinlock_t eh_lock;
spinlock_t ccblist_lock; spinlock_t ccblist_lock;
union { union {
struct MessageUnit_A __iomem * pmuA; struct MessageUnit_A __iomem *pmuA;
struct MessageUnit_B * pmuB; struct MessageUnit_B *pmuB;
struct MessageUnit_C __iomem *pmuC;
}; };
/* message unit ATU inbound base address0 */ /* message unit ATU inbound base address0 */
void __iomem *mem_base0; void __iomem *mem_base0;
...@@ -399,6 +535,8 @@ struct AdapterControlBlock ...@@ -399,6 +535,8 @@ struct AdapterControlBlock
/* message clear rqbuffer */ /* message clear rqbuffer */
#define ACB_F_MESSAGE_WQBUFFER_READED 0x0040 #define ACB_F_MESSAGE_WQBUFFER_READED 0x0040
#define ACB_F_BUS_RESET 0x0080 #define ACB_F_BUS_RESET 0x0080
#define ACB_F_BUS_HANG_ON 0x0800/* need hardware reset bus */
#define ACB_F_IOP_INITED 0x0100 #define ACB_F_IOP_INITED 0x0100
/* iop init */ /* iop init */
#define ACB_F_ABORT 0x0200 #define ACB_F_ABORT 0x0200
...@@ -460,13 +598,13 @@ struct AdapterControlBlock ...@@ -460,13 +598,13 @@ struct AdapterControlBlock
** this CCB length must be 32 bytes boundary ** this CCB length must be 32 bytes boundary
******************************************************************************* *******************************************************************************
*/ */
struct CommandControlBlock struct CommandControlBlock{
{
/*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/ /*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
struct list_head list; /*x32: 8byte, x64: 16byte*/ struct list_head list; /*x32: 8byte, x64: 16byte*/
struct scsi_cmnd *pcmd; /*8 bytes pointer of linux scsi command */ struct scsi_cmnd *pcmd; /*8 bytes pointer of linux scsi command */
struct AdapterControlBlock *acb; /*x32: 4byte, x64: 8byte*/ struct AdapterControlBlock *acb; /*x32: 4byte, x64: 8byte*/
uint32_t shifted_cdb_phyaddr; /*x32: 4byte, x64: 4byte*/ uint32_t cdb_phyaddr_pattern; /*x32: 4byte, x64: 4byte*/
uint32_t arc_cdb_size; /*x32:4byte,x64:4byte*/
uint16_t ccb_flags; /*x32: 2byte, x64: 2byte*/ uint16_t ccb_flags; /*x32: 2byte, x64: 2byte*/
#define CCB_FLAG_READ 0x0000 #define CCB_FLAG_READ 0x0000
#define CCB_FLAG_WRITE 0x0001 #define CCB_FLAG_WRITE 0x0001
...@@ -480,11 +618,11 @@ struct CommandControlBlock ...@@ -480,11 +618,11 @@ struct CommandControlBlock
#define ARCMSR_CCB_ILLEGAL 0xFFFF #define ARCMSR_CCB_ILLEGAL 0xFFFF
#if BITS_PER_LONG == 64 #if BITS_PER_LONG == 64
/* ======================512+64 bytes======================== */ /* ======================512+64 bytes======================== */
uint32_t reserved[6]; /*24 byte*/ uint32_t reserved[5]; /*24 byte*/
#else #else
/* ======================512+32 bytes======================== */ /* ======================512+32 bytes======================== */
uint32_t reserved[2]; /*8 byte*/ uint32_t reserved; /*8 byte*/
#endif #endif
/* ======================================================= */ /* ======================================================= */
struct ARCMSR_CDB arcmsr_cdb; struct ARCMSR_CDB arcmsr_cdb;
}; };
......
drivers/scsi/arcmsr/arcmsr_attr.c
View file @ cdd3cb15
...@@ -59,8 +59,7 @@ ...@@ -59,8 +59,7 @@
struct device_attribute *arcmsr_host_attrs[]; struct device_attribute *arcmsr_host_attrs[];
static ssize_t arcmsr_sysfs_iop_message_read(struct file *filp, static ssize_t arcmsr_sysfs_iop_message_read(struct kobject *kobj,
struct kobject *kobj,
struct bin_attribute *bin, struct bin_attribute *bin,
char *buf, loff_t off, char *buf, loff_t off,
size_t count) size_t count)
...@@ -106,8 +105,7 @@ static ssize_t arcmsr_sysfs_iop_message_read(struct file *filp, ...@@ -106,8 +105,7 @@ static ssize_t arcmsr_sysfs_iop_message_read(struct file *filp,
return (allxfer_len); return (allxfer_len);
} }
static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp, static ssize_t arcmsr_sysfs_iop_message_write(struct kobject *kobj,
struct kobject *kobj,
struct bin_attribute *bin, struct bin_attribute *bin,
char *buf, loff_t off, char *buf, loff_t off,
size_t count) size_t count)
...@@ -155,8 +153,7 @@ static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp, ...@@ -155,8 +153,7 @@ static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp,
} }
} }
static ssize_t arcmsr_sysfs_iop_message_clear(struct file *filp, static ssize_t arcmsr_sysfs_iop_message_clear(struct kobject *kobj,
struct kobject *kobj,
struct bin_attribute *bin, struct bin_attribute *bin,
char *buf, loff_t off, char *buf, loff_t off,
size_t count) size_t count)
......
drivers/scsi/arcmsr/arcmsr_hba.c
View file @ cdd3cb15
...@@ -71,11 +71,11 @@ ...@@ -71,11 +71,11 @@
#include <scsi/scsicam.h> #include <scsi/scsicam.h>
#include "arcmsr.h" #include "arcmsr.h"
MODULE_AUTHOR("Nick Cheng <support@areca.com.tw>"); MODULE_AUTHOR("Nick Cheng <support@areca.com.tw>");
MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx) SATA/SAS RAID Host Bus Adapter"); MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host Bus Adapter");
MODULE_LICENSE("Dual BSD/GPL"); MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(ARCMSR_DRIVER_VERSION); MODULE_VERSION(ARCMSR_DRIVER_VERSION);
static int sleeptime = 20; static int sleeptime = 10;
static int retrycount = 12; static int retrycount = 30;
wait_queue_head_t wait_q; wait_queue_head_t wait_q;
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd); struct scsi_cmnd *cmd);
...@@ -99,10 +99,12 @@ static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb); ...@@ -99,10 +99,12 @@ static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb);
static void arcmsr_request_device_map(unsigned long pacb); static void arcmsr_request_device_map(unsigned long pacb);
static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb); static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb);
static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb); static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb);
static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb);
static void arcmsr_message_isr_bh_fn(struct work_struct *work); static void arcmsr_message_isr_bh_fn(struct work_struct *work);
static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb); static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb);
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb); static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
static void arcmsr_hbc_message_isr(struct AdapterControlBlock *pACB);
static void arcmsr_hardware_reset(struct AdapterControlBlock *acb);
static const char *arcmsr_info(struct Scsi_Host *); static const char *arcmsr_info(struct Scsi_Host *);
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
...@@ -119,7 +121,7 @@ static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, ...@@ -119,7 +121,7 @@ static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
static struct scsi_host_template arcmsr_scsi_host_template = { static struct scsi_host_template arcmsr_scsi_host_template = {
.module = THIS_MODULE, .module = THIS_MODULE,
.name = "ARCMSR ARECA SATA/SAS RAID Host Bus Adapter" .name = "ARCMSR ARECA SATA/SAS RAID Controller"
ARCMSR_DRIVER_VERSION, ARCMSR_DRIVER_VERSION,
.info = arcmsr_info, .info = arcmsr_info,
.queuecommand = arcmsr_queue_command, .queuecommand = arcmsr_queue_command,
...@@ -165,17 +167,40 @@ static struct pci_driver arcmsr_pci_driver = { ...@@ -165,17 +167,40 @@ static struct pci_driver arcmsr_pci_driver = {
.remove = arcmsr_remove, .remove = arcmsr_remove,
.shutdown = arcmsr_shutdown, .shutdown = arcmsr_shutdown,
}; };
/*
****************************************************************************
****************************************************************************
*/
int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd)
{
struct Scsi_Host *shost = NULL;
int i, isleep;
shost = cmd->device->host;
isleep = sleeptime / 10;
if (isleep > 0) {
for (i = 0; i < isleep; i++) {
msleep(10000);
}
}
isleep = sleeptime % 10;
if (isleep > 0) {
msleep(isleep*1000);
}
printk(KERN_NOTICE "wake-up\n");
return 0;
}
static void arcmsr_free_mu(struct AdapterControlBlock *acb) static void arcmsr_free_hbb_mu(struct AdapterControlBlock *acb)
{ {
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: case ACB_ADAPTER_TYPE_A:
case ACB_ADAPTER_TYPE_C:
break; break;
case ACB_ADAPTER_TYPE_B:{ case ACB_ADAPTER_TYPE_B:{
struct MessageUnit_B *reg = acb->pmuB;
dma_free_coherent(&acb->pdev->dev, dma_free_coherent(&acb->pdev->dev,
sizeof(struct MessageUnit_B), sizeof(struct MessageUnit_B),
reg, acb->dma_coherent_handle_hbb_mu); acb->pmuB, acb->dma_coherent_handle_hbb_mu);
} }
} }
} }
...@@ -183,10 +208,9 @@ static void arcmsr_free_mu(struct AdapterControlBlock *acb) ...@@ -183,10 +208,9 @@ static void arcmsr_free_mu(struct AdapterControlBlock *acb)
static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb)
{ {
struct pci_dev *pdev = acb->pdev; struct pci_dev *pdev = acb->pdev;
switch (acb->adapter_type){
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:{ case ACB_ADAPTER_TYPE_A:{
acb->pmuA = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); acb->pmuA = ioremap(pci_resource_start(pdev,0), pci_resource_len(pdev,0));
if (!acb->pmuA) { if (!acb->pmuA) {
printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
return false; return false;
...@@ -208,6 +232,19 @@ static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) ...@@ -208,6 +232,19 @@ static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb)
} }
acb->mem_base0 = mem_base0; acb->mem_base0 = mem_base0;
acb->mem_base1 = mem_base1; acb->mem_base1 = mem_base1;
break;
}
case ACB_ADAPTER_TYPE_C:{
acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1));
if (!acb->pmuC) {
printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
return false;
}
if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/
return true;
}
break;
} }
} }
return true; return true;
...@@ -219,10 +256,16 @@ static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb) ...@@ -219,10 +256,16 @@ static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_A:{ case ACB_ADAPTER_TYPE_A:{
iounmap(acb->pmuA); iounmap(acb->pmuA);
} }
break;
case ACB_ADAPTER_TYPE_B:{ case ACB_ADAPTER_TYPE_B:{
iounmap(acb->mem_base0); iounmap(acb->mem_base0);
iounmap(acb->mem_base1); iounmap(acb->mem_base1);
} }
break;
case ACB_ADAPTER_TYPE_C:{
iounmap(acb->pmuC);
}
} }
} }
...@@ -270,12 +313,16 @@ static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb) ...@@ -270,12 +313,16 @@ static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb)
pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id); pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id);
acb->dev_id = dev_id; acb->dev_id = dev_id;
switch (dev_id) { switch (dev_id) {
case 0x1201 : { case 0x1880: {
acb->adapter_type = ACB_ADAPTER_TYPE_C;
}
break;
case 0x1201: {
acb->adapter_type = ACB_ADAPTER_TYPE_B; acb->adapter_type = ACB_ADAPTER_TYPE_B;
} }
break; break;
default : acb->adapter_type = ACB_ADAPTER_TYPE_A; default: acb->adapter_type = ACB_ADAPTER_TYPE_A;
} }
} }
...@@ -284,20 +331,19 @@ static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb) ...@@ -284,20 +331,19 @@ static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb)
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
uint32_t Index; uint32_t Index;
uint8_t Retries = 0x00; uint8_t Retries = 0x00;
do { do {
for (Index = 0; Index < 100; Index++) { for (Index = 0; Index < 100; Index++) {
if (readl(&reg->outbound_intstatus) & if (readl(&reg->outbound_intstatus) &
ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT,
&reg->outbound_intstatus); &reg->outbound_intstatus);
return 0x00; return true;
} }
msleep(10); msleep(10);
} /*max 1 seconds*/ }/*max 1 seconds*/
} while (Retries++ < 20);/*max 20 sec*/ } while (Retries++ < 20);/*max 20 sec*/
return 0xff; return false;
} }
static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
...@@ -305,7 +351,6 @@ static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) ...@@ -305,7 +351,6 @@ static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
uint32_t Index; uint32_t Index;
uint8_t Retries = 0x00; uint8_t Retries = 0x00;
do { do {
for (Index = 0; Index < 100; Index++) { for (Index = 0; Index < 100; Index++) {
if (readl(reg->iop2drv_doorbell) if (readl(reg->iop2drv_doorbell)
...@@ -313,23 +358,39 @@ static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) ...@@ -313,23 +358,39 @@ static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN
, reg->iop2drv_doorbell); , reg->iop2drv_doorbell);
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
return 0x00; return true;
} }
msleep(10); msleep(10);
} /*max 1 seconds*/ }/*max 1 seconds*/
} while (Retries++ < 20);/*max 20 sec*/ } while (Retries++ < 20);/*max 20 sec*/
return 0xff; return false;
} }
static uint8_t arcmsr_hbc_wait_msgint_ready(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC;
unsigned char Retries = 0x00;
uint32_t Index;
do {
for (Index = 0; Index < 100; Index++) {
if (readl(&phbcmu->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &phbcmu->outbound_doorbell_clear);/*clear interrupt*/
return true;
}
/* one us delay */
msleep(10);
} /*max 1 seconds*/
} while (Retries++ < 20); /*max 20 sec*/
return false;
}
static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb) static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb)
{ {
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
int retry_count = 30; int retry_count = 30;
writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0); writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
do { do {
if (!arcmsr_hba_wait_msgint_ready(acb)) if (arcmsr_hba_wait_msgint_ready(acb))
break; break;
else { else {
retry_count--; retry_count--;
...@@ -343,10 +404,9 @@ static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb) ...@@ -343,10 +404,9 @@ static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb)
{ {
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
int retry_count = 30; int retry_count = 30;
writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell); writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell);
do { do {
if (!arcmsr_hbb_wait_msgint_ready(acb)) if (arcmsr_hbb_wait_msgint_ready(acb))
break; break;
else { else {
retry_count--; retry_count--;
...@@ -356,6 +416,23 @@ static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb) ...@@ -356,6 +416,23 @@ static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb)
} while (retry_count != 0); } while (retry_count != 0);
} }
static void arcmsr_flush_hbc_cache(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */
writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
do {
if (arcmsr_hbc_wait_msgint_ready(pACB)) {
break;
} else {
retry_count--;
printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
timeout,retry count down = %d \n", pACB->host->host_no, retry_count);
}
} while (retry_count != 0);
return;
}
static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
{ {
switch (acb->adapter_type) { switch (acb->adapter_type) {
...@@ -368,25 +445,25 @@ static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) ...@@ -368,25 +445,25 @@ static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: { case ACB_ADAPTER_TYPE_B: {
arcmsr_flush_hbb_cache(acb); arcmsr_flush_hbb_cache(acb);
} }
break;
case ACB_ADAPTER_TYPE_C: {
arcmsr_flush_hbc_cache(acb);
}
} }
} }
static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
{ {
struct pci_dev *pdev = acb->pdev; struct pci_dev *pdev = acb->pdev;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
void *dma_coherent; void *dma_coherent;
dma_addr_t dma_coherent_handle; dma_addr_t dma_coherent_handle;
struct CommandControlBlock *ccb_tmp; struct CommandControlBlock *ccb_tmp;
int i = 0, j = 0; int i = 0, j = 0;
dma_addr_t cdb_phyaddr; dma_addr_t cdb_phyaddr;
unsigned long roundup_ccbsize = 0; unsigned long roundup_ccbsize = 0, offset;
unsigned long max_xfer_len; unsigned long max_xfer_len;
unsigned long max_sg_entrys; unsigned long max_sg_entrys;
uint32_t firm_config_version; uint32_t firm_config_version;
for (i = 0; i < ARCMSR_MAX_TARGETID; i++) for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
acb->devstate[i][j] = ARECA_RAID_GONE; acb->devstate[i][j] = ARECA_RAID_GONE;
...@@ -394,27 +471,30 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) ...@@ -394,27 +471,30 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
max_xfer_len = ARCMSR_MAX_XFER_LEN; max_xfer_len = ARCMSR_MAX_XFER_LEN;
max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES; max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES;
firm_config_version = acb->firm_cfg_version; firm_config_version = acb->firm_cfg_version;
if ((firm_config_version & 0xFF) >= 3) { if((firm_config_version & 0xFF) >= 3){
max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 16M byte */ max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 4M byte */
max_sg_entrys = (max_xfer_len/4096); max_sg_entrys = (max_xfer_len/4096);
} }
acb->host->max_sectors = max_xfer_len/512; acb->host->max_sectors = max_xfer_len/512;
acb->host->sg_tablesize = max_sg_entrys; acb->host->sg_tablesize = max_sg_entrys;
roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + max_sg_entrys * sizeof(struct SG64ENTRY), 32); roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);
acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM; acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM + 32;
dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL); dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL);
if (!dma_coherent) { if(!dma_coherent){
printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error \n", acb->host->host_no); printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error \n", acb->host->host_no);
return -ENOMEM; return -ENOMEM;
} }
memset(dma_coherent, 0, acb->uncache_size);
acb->dma_coherent = dma_coherent; acb->dma_coherent = dma_coherent;
acb->dma_coherent_handle = dma_coherent_handle; acb->dma_coherent_handle = dma_coherent_handle;
ccb_tmp = (struct CommandControlBlock *)dma_coherent; memset(dma_coherent, 0, acb->uncache_size);
offset = roundup((unsigned long)dma_coherent, 32) - (unsigned long)dma_coherent;
dma_coherent_handle = dma_coherent_handle + offset;
dma_coherent = (struct CommandControlBlock *)dma_coherent + offset;
ccb_tmp = dma_coherent;
acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle; acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle;
for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){
cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb); cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb);
ccb_tmp->shifted_cdb_phyaddr = cdb_phyaddr >> 5; ccb_tmp->cdb_phyaddr_pattern = ((acb->adapter_type == ACB_ADAPTER_TYPE_C) ? cdb_phyaddr : (cdb_phyaddr >> 5));
acb->pccb_pool[i] = ccb_tmp; acb->pccb_pool[i] = ccb_tmp;
ccb_tmp->acb = acb; ccb_tmp->acb = acb;
INIT_LIST_HEAD(&ccb_tmp->list); INIT_LIST_HEAD(&ccb_tmp->list);
...@@ -422,97 +502,37 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) ...@@ -422,97 +502,37 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize); ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize);
dma_coherent_handle = dma_coherent_handle + roundup_ccbsize; dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;
} }
break;
}
case ACB_ADAPTER_TYPE_B: {
void *dma_coherent;
dma_addr_t dma_coherent_handle;
struct CommandControlBlock *ccb_tmp;
uint32_t cdb_phyaddr;
unsigned int roundup_ccbsize = 0;
unsigned long max_xfer_len;
unsigned long max_sg_entrys;
unsigned long firm_config_version;
unsigned long max_freeccb_num = 0;
int i = 0, j = 0;
max_freeccb_num = ARCMSR_MAX_FREECCB_NUM;
max_xfer_len = ARCMSR_MAX_XFER_LEN;
max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES;
firm_config_version = acb->firm_cfg_version;
if ((firm_config_version & 0xFF) >= 3) {
max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH <<
((firm_config_version >> 8) & 0xFF)) * 1024;/* max 16M byte */
max_sg_entrys = (max_xfer_len/4096);/* max 4097 sg entry*/
}
acb->host->max_sectors = max_xfer_len / 512;
acb->host->sg_tablesize = max_sg_entrys;
roundup_ccbsize = roundup(sizeof(struct CommandControlBlock)+
(max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);
acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM;
dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size,
&dma_coherent_handle, GFP_KERNEL);
if (!dma_coherent) {
printk(KERN_NOTICE "DMA allocation failed...........................\n");
return -ENOMEM;
}
memset(dma_coherent, 0, acb->uncache_size);
acb->dma_coherent = dma_coherent;
acb->dma_coherent_handle = dma_coherent_handle;
ccb_tmp = (struct CommandControlBlock *)dma_coherent;
acb->vir2phy_offset = (unsigned long)dma_coherent -
(unsigned long)dma_coherent_handle;
for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
cdb_phyaddr = dma_coherent_handle +
offsetof(struct CommandControlBlock, arcmsr_cdb);
ccb_tmp->shifted_cdb_phyaddr = cdb_phyaddr >> 5;
acb->pccb_pool[i] = ccb_tmp;
ccb_tmp->acb = acb;
INIT_LIST_HEAD(&ccb_tmp->list);
list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp +
roundup_ccbsize);
dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;
}
for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
acb->devstate[i][j] = ARECA_RAID_GONE;
}
break;
}
return 0; return 0;
} }
static void arcmsr_message_isr_bh_fn(struct work_struct *work) static void arcmsr_message_isr_bh_fn(struct work_struct *work)
{ {
struct AdapterControlBlock *acb = container_of(work, struct AdapterControlBlock, arcmsr_do_message_isr_bh); struct AdapterControlBlock *acb = container_of(work,struct AdapterControlBlock, arcmsr_do_message_isr_bh);
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: { case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
char *acb_dev_map = (char *)acb->device_map; char *acb_dev_map = (char *)acb->device_map;
uint32_t __iomem *signature = (uint32_t __iomem *) (&reg->message_rwbuffer[0]); uint32_t __iomem *signature = (uint32_t __iomem*) (&reg->message_rwbuffer[0]);
char __iomem *devicemap = (char __iomem *) (&reg->message_rwbuffer[21]); char __iomem *devicemap = (char __iomem*) (&reg->message_rwbuffer[21]);
int target, lun; int target, lun;
struct scsi_device *psdev; struct scsi_device *psdev;
char diff; char diff;
atomic_inc(&acb->rq_map_token); atomic_inc(&acb->rq_map_token);
if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
for (target = 0; target < ARCMSR_MAX_TARGETID - 1; target++) { for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) {
diff = (*acb_dev_map)^readb(devicemap); diff = (*acb_dev_map)^readb(devicemap);
if (diff != 0) { if (diff != 0) {
char temp; char temp;
*acb_dev_map = readb(devicemap); *acb_dev_map = readb(devicemap);
temp = *acb_dev_map; temp =*acb_dev_map;
for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) {
if ((temp & 0x01) == 1 && (diff & 0x01) == 1) { if((temp & 0x01)==1 && (diff & 0x01) == 1) {
scsi_add_device(acb->host, 0, target, lun); scsi_add_device(acb->host, 0, target, lun);
} else if ((temp & 0x01) == 0 && (diff & 0x01) == 1) { }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) {
psdev = scsi_device_lookup(acb->host, 0, target, lun); psdev = scsi_device_lookup(acb->host, 0, target, lun);
if (psdev != NULL) { if (psdev != NULL ) {
scsi_remove_device(psdev); scsi_remove_device(psdev);
scsi_device_put(psdev); scsi_device_put(psdev);
} }
...@@ -531,8 +551,45 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work) ...@@ -531,8 +551,45 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work)
case ACB_ADAPTER_TYPE_B: { case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
char *acb_dev_map = (char *)acb->device_map; char *acb_dev_map = (char *)acb->device_map;
uint32_t __iomem *signature = (uint32_t __iomem *)(&reg->message_rwbuffer[0]); uint32_t __iomem *signature = (uint32_t __iomem*)(&reg->message_rwbuffer[0]);
char __iomem *devicemap = (char __iomem *)(&reg->message_rwbuffer[21]); char __iomem *devicemap = (char __iomem*)(&reg->message_rwbuffer[21]);
int target, lun;
struct scsi_device *psdev;
char diff;
atomic_inc(&acb->rq_map_token);
if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) {
diff = (*acb_dev_map)^readb(devicemap);
if (diff != 0) {
char temp;
*acb_dev_map = readb(devicemap);
temp =*acb_dev_map;
for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) {
if((temp & 0x01)==1 && (diff & 0x01) == 1) {
scsi_add_device(acb->host, 0, target, lun);
}else if((temp & 0x01) == 0 && (diff & 0x01) == 1) {
psdev = scsi_device_lookup(acb->host, 0, target, lun);
if (psdev != NULL ) {
scsi_remove_device(psdev);
scsi_device_put(psdev);
}
}
temp >>= 1;
diff >>= 1;
}
}
devicemap++;
acb_dev_map++;
}
}
}
break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C *reg = acb->pmuC;
char *acb_dev_map = (char *)acb->device_map;
uint32_t __iomem *signature = (uint32_t __iomem *)(&reg->msgcode_rwbuffer[0]);
char __iomem *devicemap = (char __iomem *)(&reg->msgcode_rwbuffer[21]);
int target, lun; int target, lun;
struct scsi_device *psdev; struct scsi_device *psdev;
char diff; char diff;
...@@ -571,21 +628,20 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) ...@@ -571,21 +628,20 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{ {
struct Scsi_Host *host; struct Scsi_Host *host;
struct AdapterControlBlock *acb; struct AdapterControlBlock *acb;
uint8_t bus, dev_fun; uint8_t bus,dev_fun;
int error; int error;
error = pci_enable_device(pdev); error = pci_enable_device(pdev);
if (error) { if(error){
return -ENODEV; return -ENODEV;
} }
host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock)); host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock));
if (!host) { if(!host){
goto pci_disable_dev; goto pci_disable_dev;
} }
error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (error) { if(error){
error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (error) { if(error){
printk(KERN_WARNING printk(KERN_WARNING
"scsi%d: No suitable DMA mask available\n", "scsi%d: No suitable DMA mask available\n",
host->host_no); host->host_no);
...@@ -596,12 +652,12 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) ...@@ -596,12 +652,12 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
bus = pdev->bus->number; bus = pdev->bus->number;
dev_fun = pdev->devfn; dev_fun = pdev->devfn;
acb = (struct AdapterControlBlock *) host->hostdata; acb = (struct AdapterControlBlock *) host->hostdata;
memset(acb, 0, sizeof(struct AdapterControlBlock)); memset(acb,0,sizeof(struct AdapterControlBlock));
acb->pdev = pdev; acb->pdev = pdev;
acb->host = host; acb->host = host;
host->max_lun = ARCMSR_MAX_TARGETLUN; host->max_lun = ARCMSR_MAX_TARGETLUN;
host->max_id = ARCMSR_MAX_TARGETID;/*16:8*/ host->max_id = ARCMSR_MAX_TARGETID; /*16:8*/
host->max_cmd_len = 16; /*this is issue of 64bit LBA, over 2T byte*/ host->max_cmd_len = 16; /*this is issue of 64bit LBA ,over 2T byte*/
host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */ host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */
host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN; host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
host->this_id = ARCMSR_SCSI_INITIATOR_ID; host->this_id = ARCMSR_SCSI_INITIATOR_ID;
...@@ -609,7 +665,7 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) ...@@ -609,7 +665,7 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_drvdata(pdev, host); pci_set_drvdata(pdev, host);
pci_set_master(pdev); pci_set_master(pdev);
error = pci_request_regions(pdev, "arcmsr"); error = pci_request_regions(pdev, "arcmsr");
if (error) { if(error){
goto scsi_host_release; goto scsi_host_release;
} }
spin_lock_init(&acb->eh_lock); spin_lock_init(&acb->eh_lock);
...@@ -621,24 +677,24 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) ...@@ -621,24 +677,24 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
INIT_LIST_HEAD(&acb->ccb_free_list); INIT_LIST_HEAD(&acb->ccb_free_list);
arcmsr_define_adapter_type(acb); arcmsr_define_adapter_type(acb);
error = arcmsr_remap_pciregion(acb); error = arcmsr_remap_pciregion(acb);
if (!error) { if(!error){
goto pci_release_regs; goto pci_release_regs;
} }
error = arcmsr_get_firmware_spec(acb); error = arcmsr_get_firmware_spec(acb);
if (!error) { if(!error){
goto unmap_pci_region; goto unmap_pci_region;
} }
error = arcmsr_alloc_ccb_pool(acb); error = arcmsr_alloc_ccb_pool(acb);
if (error) { if(error){
goto free_hbb_mu; goto free_hbb_mu;
} }
arcmsr_iop_init(acb); arcmsr_iop_init(acb);
error = scsi_add_host(host, &pdev->dev); error = scsi_add_host(host, &pdev->dev);
if (error) { if(error){
goto RAID_controller_stop; goto RAID_controller_stop;
} }
error = request_irq(pdev->irq, arcmsr_do_interrupt, IRQF_SHARED, "arcmsr", acb); error = request_irq(pdev->irq, arcmsr_do_interrupt, IRQF_SHARED, "arcmsr", acb);
if (error) { if(error){
goto scsi_host_remove; goto scsi_host_remove;
} }
host->irq = pdev->irq; host->irq = pdev->irq;
...@@ -652,10 +708,10 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) ...@@ -652,10 +708,10 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
acb->eternal_timer.data = (unsigned long) acb; acb->eternal_timer.data = (unsigned long) acb;
acb->eternal_timer.function = &arcmsr_request_device_map; acb->eternal_timer.function = &arcmsr_request_device_map;
add_timer(&acb->eternal_timer); add_timer(&acb->eternal_timer);
if (arcmsr_alloc_sysfs_attr(acb)) if(arcmsr_alloc_sysfs_attr(acb))
goto out_free_sysfs; goto out_free_sysfs;
return 0; return 0;
out_free_sysfs: out_free_sysfs:
scsi_host_remove: scsi_host_remove:
scsi_remove_host(host); scsi_remove_host(host);
RAID_controller_stop: RAID_controller_stop:
...@@ -663,7 +719,7 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) ...@@ -663,7 +719,7 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
arcmsr_flush_adapter_cache(acb); arcmsr_flush_adapter_cache(acb);
arcmsr_free_ccb_pool(acb); arcmsr_free_ccb_pool(acb);
free_hbb_mu: free_hbb_mu:
arcmsr_free_mu(acb); arcmsr_free_hbb_mu(acb);
unmap_pci_region: unmap_pci_region:
arcmsr_unmap_pciregion(acb); arcmsr_unmap_pciregion(acb);
pci_release_regs: pci_release_regs:
...@@ -678,15 +734,14 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) ...@@ -678,15 +734,14 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb) static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
{ {
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, &reg->inbound_msgaddr0); writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, &reg->inbound_msgaddr0);
if (arcmsr_hba_wait_msgint_ready(acb)) { if (!arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE printk(KERN_NOTICE
"arcmsr%d: wait 'abort all outstanding command' timeout \n" "arcmsr%d: wait 'abort all outstanding command' timeout \n"
, acb->host->host_no); , acb->host->host_no);
return 0xff; return false;
} }
return 0x00; return true;
} }
static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb) static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
...@@ -694,15 +749,27 @@ static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb) ...@@ -694,15 +749,27 @@ static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell); writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) { if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE printk(KERN_NOTICE
"arcmsr%d: wait 'abort all outstanding command' timeout \n" "arcmsr%d: wait 'abort all outstanding command' timeout \n"
, acb->host->host_no); , acb->host->host_no);
return 0xff; return false;
} }
return 0x00; return true;
}
static uint8_t arcmsr_abort_hbc_allcmd(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, &reg->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
if (!arcmsr_hbc_wait_msgint_ready(pACB)) {
printk(KERN_NOTICE
"arcmsr%d: wait 'abort all outstanding command' timeout \n"
, pACB->host->host_no);
return false;
}
return true;
} }
static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
{ {
uint8_t rtnval = 0; uint8_t rtnval = 0;
...@@ -715,6 +782,11 @@ static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) ...@@ -715,6 +782,11 @@ static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: { case ACB_ADAPTER_TYPE_B: {
rtnval = arcmsr_abort_hbb_allcmd(acb); rtnval = arcmsr_abort_hbb_allcmd(acb);
} }
break;
case ACB_ADAPTER_TYPE_C: {
rtnval = arcmsr_abort_hbc_allcmd(acb);
}
} }
return rtnval; return rtnval;
} }
...@@ -722,12 +794,11 @@ static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) ...@@ -722,12 +794,11 @@ static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
static bool arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb) static bool arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb)
{ {
struct MessageUnit_B *reg = pacb->pmuB; struct MessageUnit_B *reg = pacb->pmuB;
writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell); writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(pacb)) { if (!arcmsr_hbb_wait_msgint_ready(pacb)) {
printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no); printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no);
return false; return false;
} }
return true; return true;
} }
...@@ -736,18 +807,16 @@ static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) ...@@ -736,18 +807,16 @@ static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
struct scsi_cmnd *pcmd = ccb->pcmd; struct scsi_cmnd *pcmd = ccb->pcmd;
scsi_dma_unmap(pcmd); scsi_dma_unmap(pcmd);
} }
static void arcmsr_ccb_complete(struct CommandControlBlock *ccb) static void arcmsr_ccb_complete(struct CommandControlBlock *ccb)
{ {
struct AdapterControlBlock *acb = ccb->acb; struct AdapterControlBlock *acb = ccb->acb;
struct scsi_cmnd *pcmd = ccb->pcmd; struct scsi_cmnd *pcmd = ccb->pcmd;
unsigned long flags; unsigned long flags;
atomic_dec(&acb->ccboutstandingcount); atomic_dec(&acb->ccboutstandingcount);
arcmsr_pci_unmap_dma(ccb); arcmsr_pci_unmap_dma(ccb);
ccb->startdone = ARCMSR_CCB_DONE; ccb->startdone = ARCMSR_CCB_DONE;
ccb->ccb_flags = 0;
spin_lock_irqsave(&acb->ccblist_lock, flags); spin_lock_irqsave(&acb->ccblist_lock, flags);
list_add_tail(&ccb->list, &acb->ccb_free_list); list_add_tail(&ccb->list, &acb->ccb_free_list);
spin_unlock_irqrestore(&acb->ccblist_lock, flags); spin_unlock_irqrestore(&acb->ccblist_lock, flags);
...@@ -759,7 +828,6 @@ static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) ...@@ -759,7 +828,6 @@ static void arcmsr_report_sense_info(struct CommandControlBlock *ccb)
struct scsi_cmnd *pcmd = ccb->pcmd; struct scsi_cmnd *pcmd = ccb->pcmd;
struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer; struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer;
pcmd->result = DID_OK << 16; pcmd->result = DID_OK << 16;
if (sensebuffer) { if (sensebuffer) {
int sense_data_length = int sense_data_length =
...@@ -776,7 +844,6 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) ...@@ -776,7 +844,6 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
{ {
u32 orig_mask = 0; u32 orig_mask = 0;
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A : { case ACB_ADAPTER_TYPE_A : {
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
orig_mask = readl(&reg->outbound_intmask); orig_mask = readl(&reg->outbound_intmask);
...@@ -784,30 +851,35 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) ...@@ -784,30 +851,35 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
&reg->outbound_intmask); &reg->outbound_intmask);
} }
break; break;
case ACB_ADAPTER_TYPE_B : { case ACB_ADAPTER_TYPE_B : {
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
orig_mask = readl(reg->iop2drv_doorbell_mask); orig_mask = readl(reg->iop2drv_doorbell_mask);
writel(0, reg->iop2drv_doorbell_mask); writel(0, reg->iop2drv_doorbell_mask);
} }
break; break;
case ACB_ADAPTER_TYPE_C:{
struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
/* disable all outbound interrupt */
orig_mask = readl(&reg->host_int_mask); /* disable outbound message0 int */
writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, &reg->host_int_mask);
}
break;
} }
return orig_mask; return orig_mask;
} }
static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb,
struct CommandControlBlock *ccb, uint32_t flag_ccb) struct CommandControlBlock *ccb, bool error)
{ {
uint8_t id, lun; uint8_t id, lun;
id = ccb->pcmd->device->id; id = ccb->pcmd->device->id;
lun = ccb->pcmd->device->lun; lun = ccb->pcmd->device->lun;
if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) { if (!error) {
if (acb->devstate[id][lun] == ARECA_RAID_GONE) if (acb->devstate[id][lun] == ARECA_RAID_GONE)
acb->devstate[id][lun] = ARECA_RAID_GOOD; acb->devstate[id][lun] = ARECA_RAID_GOOD;
ccb->pcmd->result = DID_OK << 16; ccb->pcmd->result = DID_OK << 16;
arcmsr_ccb_complete(ccb); arcmsr_ccb_complete(ccb);
} else { }else{
switch (ccb->arcmsr_cdb.DeviceStatus) { switch (ccb->arcmsr_cdb.DeviceStatus) {
case ARCMSR_DEV_SELECT_TIMEOUT: { case ARCMSR_DEV_SELECT_TIMEOUT: {
acb->devstate[id][lun] = ARECA_RAID_GONE; acb->devstate[id][lun] = ARECA_RAID_GONE;
...@@ -834,9 +906,8 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, ...@@ -834,9 +906,8 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb,
default: default:
printk(KERN_NOTICE printk(KERN_NOTICE
"arcmsr%d: scsi id = %d lun = %d" "arcmsr%d: scsi id = %d lun = %d isr get command error done, \
" isr get command error done, " but got unknown DeviceStatus = 0x%x \n"
"but got unknown DeviceStatus = 0x%x \n"
, acb->host->host_no , acb->host->host_no
, id , id
, lun , lun
...@@ -849,26 +920,22 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, ...@@ -849,26 +920,22 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb,
} }
} }
static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t flag_ccb) static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error)
{ {
struct CommandControlBlock *ccb;
struct ARCMSR_CDB *arcmsr_cdb;
int id, lun; int id, lun;
if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); struct scsi_cmnd *abortcmd = pCCB->pcmd;
if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
if (ccb->startdone == ARCMSR_CCB_ABORTED) {
struct scsi_cmnd *abortcmd = ccb->pcmd;
if (abortcmd) { if (abortcmd) {
id = abortcmd->device->id; id = abortcmd->device->id;
lun = abortcmd->device->lun; lun = abortcmd->device->lun;
abortcmd->result |= DID_ABORT << 16; abortcmd->result |= DID_ABORT << 16;
arcmsr_ccb_complete(ccb); arcmsr_ccb_complete(pCCB);
printk(KERN_NOTICE "arcmsr%d: ccb ='0x%p' \ printk(KERN_NOTICE "arcmsr%d: pCCB ='0x%p' isr got aborted command \n",
isr got aborted command \n", acb->host->host_no, ccb); acb->host->host_no, pCCB);
} }
return;
} }
printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \ printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \
done acb = '0x%p'" done acb = '0x%p'"
...@@ -876,20 +943,22 @@ static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t fla ...@@ -876,20 +943,22 @@ static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t fla
" ccboutstandingcount = %d \n" " ccboutstandingcount = %d \n"
, acb->host->host_no , acb->host->host_no
, acb , acb
, ccb , pCCB
, ccb->acb , pCCB->acb
, ccb->startdone , pCCB->startdone
, atomic_read(&acb->ccboutstandingcount)); , atomic_read(&acb->ccboutstandingcount));
return;
} }
else arcmsr_report_ccb_state(acb, pCCB, error);
arcmsr_report_ccb_state(acb, ccb, flag_ccb);
} }
static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
{ {
int i = 0; int i = 0;
uint32_t flag_ccb; uint32_t flag_ccb;
struct ARCMSR_CDB *pARCMSR_CDB;
bool error;
struct CommandControlBlock *pCCB;
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: { case ACB_ADAPTER_TYPE_A: {
...@@ -899,9 +968,12 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) ...@@ -899,9 +968,12 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
acb->outbound_int_enable; acb->outbound_int_enable;
/*clear and abort all outbound posted Q*/ /*clear and abort all outbound posted Q*/
writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/ writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/
while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) while(((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF)
&& (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
arcmsr_drain_donequeue(acb, flag_ccb); pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
arcmsr_drain_donequeue(acb, pCCB, error);
} }
} }
break; break;
...@@ -909,17 +981,37 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) ...@@ -909,17 +981,37 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: { case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
/*clear all outbound posted Q*/ /*clear all outbound posted Q*/
writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, &reg->iop2drv_doorbell); /* clear doorbell interrupt */
for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) { for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
if ((flag_ccb = readl(&reg->done_qbuffer[i])) != 0) { if ((flag_ccb = readl(&reg->done_qbuffer[i])) != 0) {
writel(0, &reg->done_qbuffer[i]); writel(0, &reg->done_qbuffer[i]);
arcmsr_drain_donequeue(acb, flag_ccb); pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/
pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
arcmsr_drain_donequeue(acb, pCCB, error);
} }
writel(0, &reg->post_qbuffer[i]); reg->post_qbuffer[i] = 0;
} }
reg->doneq_index = 0; reg->doneq_index = 0;
reg->postq_index = 0; reg->postq_index = 0;
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C *reg = acb->pmuC;
struct ARCMSR_CDB *pARCMSR_CDB;
uint32_t flag_ccb, ccb_cdb_phy;
bool error;
struct CommandControlBlock *pCCB;
while ((readl(&reg->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
/*need to do*/
flag_ccb = readl(&reg->outbound_queueport_low);
ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/
pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
arcmsr_drain_donequeue(acb, pCCB, error);
}
}
} }
} }
static void arcmsr_remove(struct pci_dev *pdev) static void arcmsr_remove(struct pci_dev *pdev)
...@@ -930,7 +1022,6 @@ static void arcmsr_remove(struct pci_dev *pdev) ...@@ -930,7 +1022,6 @@ static void arcmsr_remove(struct pci_dev *pdev)
int poll_count = 0; int poll_count = 0;
arcmsr_free_sysfs_attr(acb); arcmsr_free_sysfs_attr(acb);
scsi_remove_host(host); scsi_remove_host(host);
scsi_host_put(host);
flush_scheduled_work(); flush_scheduled_work();
del_timer_sync(&acb->eternal_timer); del_timer_sync(&acb->eternal_timer);
arcmsr_disable_outbound_ints(acb); arcmsr_disable_outbound_ints(acb);
...@@ -939,7 +1030,7 @@ static void arcmsr_remove(struct pci_dev *pdev) ...@@ -939,7 +1030,7 @@ static void arcmsr_remove(struct pci_dev *pdev)
acb->acb_flags |= ACB_F_SCSISTOPADAPTER; acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
acb->acb_flags &= ~ACB_F_IOP_INITED; acb->acb_flags &= ~ACB_F_IOP_INITED;
for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++) { for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++){
if (!atomic_read(&acb->ccboutstandingcount)) if (!atomic_read(&acb->ccboutstandingcount))
break; break;
arcmsr_interrupt(acb);/* FIXME: need spinlock */ arcmsr_interrupt(acb);/* FIXME: need spinlock */
...@@ -962,8 +1053,10 @@ static void arcmsr_remove(struct pci_dev *pdev) ...@@ -962,8 +1053,10 @@ static void arcmsr_remove(struct pci_dev *pdev)
} }
free_irq(pdev->irq, acb); free_irq(pdev->irq, acb);
arcmsr_free_ccb_pool(acb); arcmsr_free_ccb_pool(acb);
arcmsr_free_mu(acb); arcmsr_free_hbb_mu(acb);
arcmsr_unmap_pciregion(acb);
pci_release_regions(pdev); pci_release_regions(pdev);
scsi_host_put(host);
pci_disable_device(pdev); pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL); pci_set_drvdata(pdev, NULL);
} }
...@@ -983,7 +1076,6 @@ static void arcmsr_shutdown(struct pci_dev *pdev) ...@@ -983,7 +1076,6 @@ static void arcmsr_shutdown(struct pci_dev *pdev)
static int arcmsr_module_init(void) static int arcmsr_module_init(void)
{ {
int error = 0; int error = 0;
error = pci_register_driver(&arcmsr_pci_driver); error = pci_register_driver(&arcmsr_pci_driver);
return error; return error;
} }
...@@ -999,10 +1091,9 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, ...@@ -999,10 +1091,9 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
u32 intmask_org) u32 intmask_org)
{ {
u32 mask; u32 mask;
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A : { case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE |
ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE| ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|
...@@ -1012,7 +1103,7 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, ...@@ -1012,7 +1103,7 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
} }
break; break;
case ACB_ADAPTER_TYPE_B : { case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK | mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK |
ARCMSR_IOP2DRV_DATA_READ_OK | ARCMSR_IOP2DRV_DATA_READ_OK |
...@@ -1021,6 +1112,13 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, ...@@ -1021,6 +1112,13 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
writel(mask, reg->iop2drv_doorbell_mask); writel(mask, reg->iop2drv_doorbell_mask);
acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f; acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
} }
break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C *reg = acb->pmuC;
mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK);
writel(intmask_org & mask, &reg->host_int_mask);
acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f;
}
} }
} }
...@@ -1032,24 +1130,20 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb, ...@@ -1032,24 +1130,20 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb,
__le32 address_lo, address_hi; __le32 address_lo, address_hi;
int arccdbsize = 0x30; int arccdbsize = 0x30;
__le32 length = 0; __le32 length = 0;
int i, cdb_sgcount = 0; int i;
struct scatterlist *sg; struct scatterlist *sg;
int nseg; int nseg;
ccb->pcmd = pcmd; ccb->pcmd = pcmd;
memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB)); memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB));
arcmsr_cdb->Bus = 0;
arcmsr_cdb->TargetID = pcmd->device->id; arcmsr_cdb->TargetID = pcmd->device->id;
arcmsr_cdb->LUN = pcmd->device->lun; arcmsr_cdb->LUN = pcmd->device->lun;
arcmsr_cdb->Function = 1; arcmsr_cdb->Function = 1;
arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len;
arcmsr_cdb->Context = 0; arcmsr_cdb->Context = 0;
memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len); memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
nseg = scsi_dma_map(pcmd); nseg = scsi_dma_map(pcmd);
if (nseg > acb->host->sg_tablesize || nseg < 0) if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0))
return FAILED; return FAILED;
/* map stor port SG list to our iop SG List. */
scsi_for_each_sg(pcmd, sg, nseg, i) { scsi_for_each_sg(pcmd, sg, nseg, i) {
/* Get the physical address of the current data pointer */ /* Get the physical address of the current data pointer */
length = cpu_to_le32(sg_dma_len(sg)); length = cpu_to_le32(sg_dma_len(sg));
...@@ -1071,36 +1165,34 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb, ...@@ -1071,36 +1165,34 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb,
psge += sizeof (struct SG64ENTRY); psge += sizeof (struct SG64ENTRY);
arccdbsize += sizeof (struct SG64ENTRY); arccdbsize += sizeof (struct SG64ENTRY);
} }
cdb_sgcount++;
} }
arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount; arcmsr_cdb->sgcount = (uint8_t)nseg;
arcmsr_cdb->DataLength = scsi_bufflen(pcmd); arcmsr_cdb->DataLength = scsi_bufflen(pcmd);
arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0); arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0);
if ( arccdbsize > 256) if ( arccdbsize > 256)
arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
if (pcmd->cmnd[0]|WRITE_6 || pcmd->cmnd[0] | WRITE_10 || pcmd->cmnd[0]|WRITE_12) { if (pcmd->cmnd[0]|WRITE_6 || pcmd->cmnd[0]|WRITE_10 || pcmd->cmnd[0]|WRITE_12 ){
arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE; arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
ccb->ccb_flags |= CCB_FLAG_WRITE;
} }
ccb->arc_cdb_size = arccdbsize;
return SUCCESS; return SUCCESS;
} }
static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb)
{ {
uint32_t shifted_cdb_phyaddr = ccb->shifted_cdb_phyaddr; uint32_t cdb_phyaddr_pattern = ccb->cdb_phyaddr_pattern;
struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
atomic_inc(&acb->ccboutstandingcount); atomic_inc(&acb->ccboutstandingcount);
ccb->startdone = ARCMSR_CCB_START; ccb->startdone = ARCMSR_CCB_START;
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: { case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE)
writel(shifted_cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
&reg->inbound_queueport); &reg->inbound_queueport);
else { else {
writel(shifted_cdb_phyaddr, &reg->inbound_queueport); writel(cdb_phyaddr_pattern, &reg->inbound_queueport);
} }
} }
break; break;
...@@ -1112,11 +1204,10 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr ...@@ -1112,11 +1204,10 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr
ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE); ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE);
writel(0, &reg->post_qbuffer[ending_index]); writel(0, &reg->post_qbuffer[ending_index]);
if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) { if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
writel(shifted_cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\ writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\
&reg->post_qbuffer[index]); &reg->post_qbuffer[index]);
} } else {
else { writel(cdb_phyaddr_pattern, &reg->post_qbuffer[index]);
writel(shifted_cdb_phyaddr, &reg->post_qbuffer[index]);
} }
index++; index++;
index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */ index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */
...@@ -1124,6 +1215,19 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr ...@@ -1124,6 +1215,19 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr
writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell); writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell);
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC;
uint32_t ccb_post_stamp, arc_cdb_size;
arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size;
ccb_post_stamp = (cdb_phyaddr_pattern | ((arc_cdb_size - 1) >> 6) | 1);
if (acb->cdb_phyaddr_hi32) {
writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high);
writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
} else {
writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
}
}
} }
} }
...@@ -1132,8 +1236,7 @@ static void arcmsr_stop_hba_bgrb(struct AdapterControlBlock *acb) ...@@ -1132,8 +1236,7 @@ static void arcmsr_stop_hba_bgrb(struct AdapterControlBlock *acb)
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
acb->acb_flags &= ~ACB_F_MSG_START_BGRB; acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, &reg->inbound_msgaddr0); writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, &reg->inbound_msgaddr0);
if (!arcmsr_hba_wait_msgint_ready(acb)) {
if (arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE printk(KERN_NOTICE
"arcmsr%d: wait 'stop adapter background rebulid' timeout \n" "arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
, acb->host->host_no); , acb->host->host_no);
...@@ -1146,13 +1249,26 @@ static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb) ...@@ -1146,13 +1249,26 @@ static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb)
acb->acb_flags &= ~ACB_F_MSG_START_BGRB; acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell); writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) { if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE printk(KERN_NOTICE
"arcmsr%d: wait 'stop adapter background rebulid' timeout \n" "arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
, acb->host->host_no); , acb->host->host_no);
} }
} }
static void arcmsr_stop_hbc_bgrb(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, &reg->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
if (!arcmsr_hbc_wait_msgint_ready(pACB)) {
printk(KERN_NOTICE
"arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
, pACB->host->host_no);
}
return;
}
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
{ {
switch (acb->adapter_type) { switch (acb->adapter_type) {
...@@ -1165,21 +1281,15 @@ static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) ...@@ -1165,21 +1281,15 @@ static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
arcmsr_stop_hbb_bgrb(acb); arcmsr_stop_hbb_bgrb(acb);
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
arcmsr_stop_hbc_bgrb(acb);
}
} }
} }
static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
{ {
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle); dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle);
iounmap(acb->pmuA);
}
break;
case ACB_ADAPTER_TYPE_B: {
dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle);
}
}
} }
void arcmsr_iop_message_read(struct AdapterControlBlock *acb) void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
...@@ -1196,6 +1306,10 @@ void arcmsr_iop_message_read(struct AdapterControlBlock *acb) ...@@ -1196,6 +1306,10 @@ void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell); writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C __iomem *reg = acb->pmuC;
writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, &reg->inbound_doorbell);
}
} }
} }
...@@ -1221,13 +1335,21 @@ static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) ...@@ -1221,13 +1335,21 @@ static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell); writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell);
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C __iomem *reg = acb->pmuC;
/*
** push inbound doorbell tell iop, driver data write ok
** and wait reply on next hwinterrupt for next Qbuffer post
*/
writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, &reg->inbound_doorbell);
}
break;
} }
} }
struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
{ {
struct QBUFFER __iomem *qbuffer = NULL; struct QBUFFER __iomem *qbuffer = NULL;
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: { case ACB_ADAPTER_TYPE_A: {
...@@ -1241,6 +1363,10 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) ...@@ -1241,6 +1363,10 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer; qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC;
qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer;
}
} }
return qbuffer; return qbuffer;
} }
...@@ -1248,7 +1374,6 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) ...@@ -1248,7 +1374,6 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb) static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb)
{ {
struct QBUFFER __iomem *pqbuffer = NULL; struct QBUFFER __iomem *pqbuffer = NULL;
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: { case ACB_ADAPTER_TYPE_A: {
...@@ -1262,6 +1387,11 @@ static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBloc ...@@ -1262,6 +1387,11 @@ static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBloc
pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer; pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer;
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
pqbuffer = (struct QBUFFER __iomem *)&reg->message_wbuffer;
}
} }
return pqbuffer; return pqbuffer;
} }
...@@ -1272,19 +1402,18 @@ static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) ...@@ -1272,19 +1402,18 @@ static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
struct QBUFFER *pQbuffer; struct QBUFFER *pQbuffer;
uint8_t __iomem *iop_data; uint8_t __iomem *iop_data;
int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex; int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex;
rqbuf_lastindex = acb->rqbuf_lastindex; rqbuf_lastindex = acb->rqbuf_lastindex;
rqbuf_firstindex = acb->rqbuf_firstindex; rqbuf_firstindex = acb->rqbuf_firstindex;
prbuffer = arcmsr_get_iop_rqbuffer(acb); prbuffer = arcmsr_get_iop_rqbuffer(acb);
iop_data = (uint8_t __iomem *)prbuffer->data; iop_data = (uint8_t __iomem *)prbuffer->data;
iop_len = prbuffer->data_len; iop_len = prbuffer->data_len;
my_empty_len = (rqbuf_firstindex - rqbuf_lastindex -1)&(ARCMSR_MAX_QBUFFER -1); my_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1) & (ARCMSR_MAX_QBUFFER - 1);
if (my_empty_len >= iop_len) if (my_empty_len >= iop_len)
{ {
while (iop_len > 0) { while (iop_len > 0) {
pQbuffer = (struct QBUFFER *)&acb->rqbuffer[rqbuf_lastindex]; pQbuffer = (struct QBUFFER *)&acb->rqbuffer[rqbuf_lastindex];
memcpy(pQbuffer, iop_data,1); memcpy(pQbuffer, iop_data, 1);
rqbuf_lastindex++; rqbuf_lastindex++;
rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
iop_data++; iop_data++;
...@@ -1335,7 +1464,6 @@ static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb) ...@@ -1335,7 +1464,6 @@ static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb)
{ {
uint32_t outbound_doorbell; uint32_t outbound_doorbell;
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
outbound_doorbell = readl(&reg->outbound_doorbell); outbound_doorbell = readl(&reg->outbound_doorbell);
writel(outbound_doorbell, &reg->outbound_doorbell); writel(outbound_doorbell, &reg->outbound_doorbell);
if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) { if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) {
...@@ -1346,14 +1474,42 @@ static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb) ...@@ -1346,14 +1474,42 @@ static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb)
arcmsr_iop2drv_data_read_handle(acb); arcmsr_iop2drv_data_read_handle(acb);
} }
} }
static void arcmsr_hbc_doorbell_isr(struct AdapterControlBlock *pACB)
{
uint32_t outbound_doorbell;
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
/*
*******************************************************************
** Maybe here we need to check wrqbuffer_lock is lock or not
** DOORBELL: din! don!
** check if there are any mail need to pack from firmware
*******************************************************************
*/
outbound_doorbell = readl(&reg->outbound_doorbell);
writel(outbound_doorbell, &reg->outbound_doorbell_clear);/*clear interrupt*/
if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) {
arcmsr_iop2drv_data_wrote_handle(pACB);
}
if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK) {
arcmsr_iop2drv_data_read_handle(pACB);
}
if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
arcmsr_hbc_message_isr(pACB); /* messenger of "driver to iop commands" */
}
return;
}
static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb) static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb)
{ {
uint32_t flag_ccb; uint32_t flag_ccb;
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
struct ARCMSR_CDB *pARCMSR_CDB;
struct CommandControlBlock *pCCB;
bool error;
while ((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) { while ((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) {
arcmsr_drain_donequeue(acb, flag_ccb); pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
arcmsr_drain_donequeue(acb, pCCB, error);
} }
} }
...@@ -1362,17 +1518,51 @@ static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb) ...@@ -1362,17 +1518,51 @@ static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb)
uint32_t index; uint32_t index;
uint32_t flag_ccb; uint32_t flag_ccb;
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
struct ARCMSR_CDB *pARCMSR_CDB;
struct CommandControlBlock *pCCB;
bool error;
index = reg->doneq_index; index = reg->doneq_index;
while ((flag_ccb = readl(&reg->done_qbuffer[index])) != 0) { while ((flag_ccb = readl(&reg->done_qbuffer[index])) != 0) {
writel(0, &reg->done_qbuffer[index]); writel(0, &reg->done_qbuffer[index]);
arcmsr_drain_donequeue(acb, flag_ccb); pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/
pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
arcmsr_drain_donequeue(acb, pCCB, error);
index++; index++;
index %= ARCMSR_MAX_HBB_POSTQUEUE; index %= ARCMSR_MAX_HBB_POSTQUEUE;
reg->doneq_index = index; reg->doneq_index = index;
} }
} }
static void arcmsr_hbc_postqueue_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_C *phbcmu;
struct ARCMSR_CDB *arcmsr_cdb;
struct CommandControlBlock *ccb;
uint32_t flag_ccb, ccb_cdb_phy, throttling = 0;
int error;
phbcmu = (struct MessageUnit_C *)acb->pmuC;
/* areca cdb command done */
/* Use correct offset and size for syncing */
while (readl(&phbcmu->host_int_status) &
ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR){
/* check if command done with no error*/
flag_ccb = readl(&phbcmu->outbound_queueport_low);
ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);/*frame must be 32 bytes aligned*/
arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);
ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
/* check if command done with no error */
arcmsr_drain_donequeue(acb, ccb, error);
if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) {
writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING, &phbcmu->inbound_doorbell);
break;
}
throttling++;
}
}
/* /*
********************************************************************************** **********************************************************************************
** Handle a message interrupt ** Handle a message interrupt
...@@ -1384,7 +1574,6 @@ static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb) ...@@ -1384,7 +1574,6 @@ static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb)
static void arcmsr_hba_message_isr(struct AdapterControlBlock *acb) static void arcmsr_hba_message_isr(struct AdapterControlBlock *acb)
{ {
struct MessageUnit_A *reg = acb->pmuA; struct MessageUnit_A *reg = acb->pmuA;
/*clear interrupt and message state*/ /*clear interrupt and message state*/
writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, &reg->outbound_intstatus); writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, &reg->outbound_intstatus);
schedule_work(&acb->arcmsr_do_message_isr_bh); schedule_work(&acb->arcmsr_do_message_isr_bh);
...@@ -1397,11 +1586,27 @@ static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb) ...@@ -1397,11 +1586,27 @@ static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb)
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
schedule_work(&acb->arcmsr_do_message_isr_bh); schedule_work(&acb->arcmsr_do_message_isr_bh);
} }
/*
**********************************************************************************
** Handle a message interrupt
**
** The only message interrupt we expect is in response to a query for the
** current adapter config.
** We want this in order to compare the drivemap so that we can detect newly-attached drives.
**********************************************************************************
*/
static void arcmsr_hbc_message_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_C *reg = acb->pmuC;
/*clear interrupt and message state*/
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &reg->outbound_doorbell_clear);
schedule_work(&acb->arcmsr_do_message_isr_bh);
}
static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb) static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
{ {
uint32_t outbound_intstatus; uint32_t outbound_intstatus;
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
outbound_intstatus = readl(&reg->outbound_intstatus) & outbound_intstatus = readl(&reg->outbound_intstatus) &
acb->outbound_int_enable; acb->outbound_int_enable;
if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) { if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) {
...@@ -1414,7 +1619,7 @@ static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb) ...@@ -1414,7 +1619,7 @@ static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) { if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) {
arcmsr_hba_postqueue_isr(acb); arcmsr_hba_postqueue_isr(acb);
} }
if (outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { if(outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
/* messenger of "driver to iop commands" */ /* messenger of "driver to iop commands" */
arcmsr_hba_message_isr(acb); arcmsr_hba_message_isr(acb);
} }
...@@ -1425,7 +1630,6 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb) ...@@ -1425,7 +1630,6 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb)
{ {
uint32_t outbound_doorbell; uint32_t outbound_doorbell;
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
outbound_doorbell = readl(reg->iop2drv_doorbell) & outbound_doorbell = readl(reg->iop2drv_doorbell) &
acb->outbound_int_enable; acb->outbound_int_enable;
if (!outbound_doorbell) if (!outbound_doorbell)
...@@ -1445,14 +1649,37 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb) ...@@ -1445,14 +1649,37 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb)
if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) { if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) {
arcmsr_hbb_postqueue_isr(acb); arcmsr_hbb_postqueue_isr(acb);
} }
if (outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { if(outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
/* messenger of "driver to iop commands" */ /* messenger of "driver to iop commands" */
arcmsr_hbb_message_isr(acb); arcmsr_hbb_message_isr(acb);
} }
return 0; return 0;
} }
static int arcmsr_handle_hbc_isr(struct AdapterControlBlock *pACB)
{
uint32_t host_interrupt_status;
struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC;
/*
*********************************************
** check outbound intstatus
*********************************************
*/
host_interrupt_status = readl(&phbcmu->host_int_status);
if (!host_interrupt_status) {
/*it must be share irq*/
return 1;
}
/* MU ioctl transfer doorbell interrupts*/
if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) {
arcmsr_hbc_doorbell_isr(pACB); /* messenger of "ioctl message read write" */
}
/* MU post queue interrupts*/
if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) {
arcmsr_hbc_postqueue_isr(pACB); /* messenger of "scsi commands" */
}
return 0;
}
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
{ {
switch (acb->adapter_type) { switch (acb->adapter_type) {
...@@ -1469,6 +1696,11 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) ...@@ -1469,6 +1696,11 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
} }
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
if (arcmsr_handle_hbc_isr(acb)) {
return IRQ_NONE;
}
}
} }
return IRQ_HANDLED; return IRQ_HANDLED;
} }
...@@ -1495,7 +1727,6 @@ void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb) ...@@ -1495,7 +1727,6 @@ void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb)
struct QBUFFER __iomem *pwbuffer; struct QBUFFER __iomem *pwbuffer;
uint8_t __iomem *iop_data; uint8_t __iomem *iop_data;
int32_t allxfer_len = 0; int32_t allxfer_len = 0;
pwbuffer = arcmsr_get_iop_wqbuffer(acb); pwbuffer = arcmsr_get_iop_wqbuffer(acb);
iop_data = (uint8_t __iomem *)pwbuffer->data; iop_data = (uint8_t __iomem *)pwbuffer->data;
if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) { if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) {
...@@ -1528,7 +1759,6 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, ...@@ -1528,7 +1759,6 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
(uint32_t ) cmd->cmnd[7] << 8 | (uint32_t ) cmd->cmnd[7] << 8 |
(uint32_t ) cmd->cmnd[8]; (uint32_t ) cmd->cmnd[8];
/* 4 bytes: Areca io control code */ /* 4 bytes: Areca io control code */
sg = scsi_sglist(cmd); sg = scsi_sglist(cmd);
buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
if (scsi_sg_count(cmd) > 1) { if (scsi_sg_count(cmd) > 1) {
...@@ -1586,9 +1816,9 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, ...@@ -1586,9 +1816,9 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
} }
memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len); memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len);
pcmdmessagefld->cmdmessage.Length = allxfer_len; pcmdmessagefld->cmdmessage.Length = allxfer_len;
if (acb->fw_flag == FW_DEADLOCK) { if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} else { }else{
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
} }
kfree(ver_addr); kfree(ver_addr);
...@@ -1605,10 +1835,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, ...@@ -1605,10 +1835,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
retvalue = ARCMSR_MESSAGE_FAIL; retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out; goto message_out;
} }
if (acb->fw_flag == FW_DEADLOCK) { if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} else { }else{
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK; ARCMSR_MESSAGE_RETURNCODE_OK;
} }
...@@ -1672,10 +1902,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, ...@@ -1672,10 +1902,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
acb->rqbuf_firstindex = 0; acb->rqbuf_firstindex = 0;
acb->rqbuf_lastindex = 0; acb->rqbuf_lastindex = 0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
if (acb->fw_flag == FW_DEADLOCK) { if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} else { }else{
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK; ARCMSR_MESSAGE_RETURNCODE_OK;
} }
...@@ -1684,10 +1914,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, ...@@ -1684,10 +1914,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
case ARCMSR_MESSAGE_CLEAR_WQBUFFER: { case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
uint8_t *pQbuffer = acb->wqbuffer; uint8_t *pQbuffer = acb->wqbuffer;
if (acb->fw_flag == FW_DEADLOCK) { if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} else { }else{
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK; ARCMSR_MESSAGE_RETURNCODE_OK;
} }
...@@ -1724,10 +1954,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, ...@@ -1724,10 +1954,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
memset(pQbuffer, 0, sizeof(struct QBUFFER)); memset(pQbuffer, 0, sizeof(struct QBUFFER));
pQbuffer = acb->wqbuffer; pQbuffer = acb->wqbuffer;
memset(pQbuffer, 0, sizeof(struct QBUFFER)); memset(pQbuffer, 0, sizeof(struct QBUFFER));
if (acb->fw_flag == FW_DEADLOCK) { if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} else { }else{
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK; ARCMSR_MESSAGE_RETURNCODE_OK;
} }
...@@ -1735,10 +1965,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, ...@@ -1735,10 +1965,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
break; break;
case ARCMSR_MESSAGE_RETURN_CODE_3F: { case ARCMSR_MESSAGE_RETURN_CODE_3F: {
if (acb->fw_flag == FW_DEADLOCK) { if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} else { }else{
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_3F; ARCMSR_MESSAGE_RETURNCODE_3F;
} }
...@@ -1746,10 +1976,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, ...@@ -1746,10 +1976,10 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
} }
case ARCMSR_MESSAGE_SAY_HELLO: { case ARCMSR_MESSAGE_SAY_HELLO: {
int8_t *hello_string = "Hello! I am ARCMSR"; int8_t *hello_string = "Hello! I am ARCMSR";
if (acb->fw_flag == FW_DEADLOCK) { if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} else { }else{
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK; ARCMSR_MESSAGE_RETURNCODE_OK;
} }
...@@ -1759,7 +1989,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, ...@@ -1759,7 +1989,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
break; break;
case ARCMSR_MESSAGE_SAY_GOODBYE: case ARCMSR_MESSAGE_SAY_GOODBYE:
if (acb->fw_flag == FW_DEADLOCK) { if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} }
...@@ -1767,7 +1997,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, ...@@ -1767,7 +1997,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
break; break;
case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE:
if (acb->fw_flag == FW_DEADLOCK) { if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} }
...@@ -1792,7 +2022,7 @@ static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock ...@@ -1792,7 +2022,7 @@ static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock
if (!list_empty(head)) { if (!list_empty(head)) {
ccb = list_entry(head->next, struct CommandControlBlock, list); ccb = list_entry(head->next, struct CommandControlBlock, list);
list_del_init(&ccb->list); list_del_init(&ccb->list);
} else { }else{
spin_unlock_irqrestore(&acb->ccblist_lock, flags); spin_unlock_irqrestore(&acb->ccblist_lock, flags);
return 0; return 0;
} }
...@@ -1862,29 +2092,29 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd, ...@@ -1862,29 +2092,29 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
cmd->scsi_done = done; cmd->scsi_done = done;
cmd->host_scribble = NULL; cmd->host_scribble = NULL;
cmd->result = 0; cmd->result = 0;
if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){
if ((scsicmd == SYNCHRONIZE_CACHE) || (scsicmd == SEND_DIAGNOSTIC)) { if(acb->devstate[target][lun] == ARECA_RAID_GONE) {
if (acb->devstate[target][lun] == ARECA_RAID_GONE) {
cmd->result = (DID_NO_CONNECT << 16); cmd->result = (DID_NO_CONNECT << 16);
} }
cmd->scsi_done(cmd); cmd->scsi_done(cmd);
return 0; return 0;
} }
if (target == 16) { if (target == 16) {
/* virtual device for iop message transfer */ /* virtual device for iop message transfer */
arcmsr_handle_virtual_command(acb, cmd); arcmsr_handle_virtual_command(acb, cmd);
return 0; return 0;
} }
if (atomic_read(&acb->ccboutstandingcount) >= if (atomic_read(&acb->ccboutstandingcount) >=
ARCMSR_MAX_OUTSTANDING_CMD) ARCMSR_MAX_OUTSTANDING_CMD)
return SCSI_MLQUEUE_HOST_BUSY; return SCSI_MLQUEUE_HOST_BUSY;
if ((scsicmd == SCSI_CMD_ARECA_SPECIFIC)) {
printk(KERN_NOTICE "Receiveing SCSI_CMD_ARECA_SPECIFIC command..\n");
return 0;
}
ccb = arcmsr_get_freeccb(acb); ccb = arcmsr_get_freeccb(acb);
if (!ccb) if (!ccb)
return SCSI_MLQUEUE_HOST_BUSY; return SCSI_MLQUEUE_HOST_BUSY;
if ( arcmsr_build_ccb( acb, ccb, cmd ) == FAILED ) { if (arcmsr_build_ccb( acb, ccb, cmd ) == FAILED) {
cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1); cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1);
cmd->scsi_done(cmd); cmd->scsi_done(cmd);
return 0; return 0;
...@@ -1901,17 +2131,16 @@ static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb) ...@@ -1901,17 +2131,16 @@ static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb)
char *acb_device_map = acb->device_map; char *acb_device_map = acb->device_map;
char __iomem *iop_firm_model = (char __iomem *)(&reg->message_rwbuffer[15]); char __iomem *iop_firm_model = (char __iomem *)(&reg->message_rwbuffer[15]);
char __iomem *iop_firm_version = (char __iomem *)(&reg->message_rwbuffer[17]); char __iomem *iop_firm_version = (char __iomem *)(&reg->message_rwbuffer[17]);
char __iomem *iop_device_map = (char __iomem *) (&reg->message_rwbuffer[21]); char __iomem *iop_device_map = (char __iomem *)(&reg->message_rwbuffer[21]);
int count; int count;
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0); writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
if (arcmsr_hba_wait_msgint_ready(acb)) { if (!arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
miscellaneous data' timeout \n", acb->host->host_no); miscellaneous data' timeout \n", acb->host->host_no);
return false; return false;
} }
count = 8; count = 8;
while (count) { while (count){
*acb_firm_model = readb(iop_firm_model); *acb_firm_model = readb(iop_firm_model);
acb_firm_model++; acb_firm_model++;
iop_firm_model++; iop_firm_model++;
...@@ -1919,15 +2148,15 @@ static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb) ...@@ -1919,15 +2148,15 @@ static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb)
} }
count = 16; count = 16;
while (count) { while (count){
*acb_firm_version = readb(iop_firm_version); *acb_firm_version = readb(iop_firm_version);
acb_firm_version++; acb_firm_version++;
iop_firm_version++; iop_firm_version++;
count--; count--;
} }
count = 16; count=16;
while (count) { while(count){
*acb_device_map = readb(iop_device_map); *acb_device_map = readb(iop_device_map);
acb_device_map++; acb_device_map++;
iop_device_map++; iop_device_map++;
...@@ -1962,14 +2191,14 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb) ...@@ -1962,14 +2191,14 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
/*firm_version,21,84-99*/ /*firm_version,21,84-99*/
int count; int count;
dma_coherent = dma_alloc_coherent(&pdev->dev, sizeof(struct MessageUnit_B), &dma_coherent_handle, GFP_KERNEL); dma_coherent = dma_alloc_coherent(&pdev->dev, sizeof(struct MessageUnit_B), &dma_coherent_handle, GFP_KERNEL);
if (!dma_coherent) { if (!dma_coherent){
printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error for hbb mu\n", acb->host->host_no); printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error for hbb mu\n", acb->host->host_no);
return false; return false;
} }
acb->dma_coherent_handle_hbb_mu = dma_coherent_handle; acb->dma_coherent_handle_hbb_mu = dma_coherent_handle;
reg = (struct MessageUnit_B *)dma_coherent; reg = (struct MessageUnit_B *)dma_coherent;
acb->pmuB = reg; acb->pmuB = reg;
reg->drv2iop_doorbell = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL); reg->drv2iop_doorbell= (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL);
reg->drv2iop_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL_MASK); reg->drv2iop_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL_MASK);
reg->iop2drv_doorbell = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL); reg->iop2drv_doorbell = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL);
reg->iop2drv_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL_MASK); reg->iop2drv_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL_MASK);
...@@ -1981,20 +2210,20 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb) ...@@ -1981,20 +2210,20 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
iop_device_map = (char __iomem *)(&reg->message_rwbuffer[21]); /*firm_version,21,84-99*/ iop_device_map = (char __iomem *)(&reg->message_rwbuffer[21]); /*firm_version,21,84-99*/
writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) { if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
miscellaneous data' timeout \n", acb->host->host_no); miscellaneous data' timeout \n", acb->host->host_no);
return false; return false;
} }
count = 8; count = 8;
while (count) { while (count){
*acb_firm_model = readb(iop_firm_model); *acb_firm_model = readb(iop_firm_model);
acb_firm_model++; acb_firm_model++;
iop_firm_model++; iop_firm_model++;
count--; count--;
} }
count = 16; count = 16;
while (count) { while (count){
*acb_firm_version = readb(iop_firm_version); *acb_firm_version = readb(iop_firm_version);
acb_firm_version++; acb_firm_version++;
iop_firm_version++; iop_firm_version++;
...@@ -2002,7 +2231,7 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb) ...@@ -2002,7 +2231,7 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
} }
count = 16; count = 16;
while (count) { while(count){
*acb_device_map = readb(iop_device_map); *acb_device_map = readb(iop_device_map);
acb_device_map++; acb_device_map++;
iop_device_map++; iop_device_map++;
...@@ -2028,12 +2257,73 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb) ...@@ -2028,12 +2257,73 @@ static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
/*firm_ide_channels,4,16-19*/ /*firm_ide_channels,4,16-19*/
return true; return true;
} }
static bool arcmsr_get_hbc_config(struct AdapterControlBlock *pACB)
{
uint32_t intmask_org, Index, firmware_state = 0;
struct MessageUnit_C *reg = pACB->pmuC;
char *acb_firm_model = pACB->firm_model;
char *acb_firm_version = pACB->firm_version;
char *iop_firm_model = (char *)(&reg->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/
char *iop_firm_version = (char *)(&reg->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/
int count;
/* disable all outbound interrupt */
intmask_org = readl(&reg->host_int_mask); /* disable outbound message0 int */
writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, &reg->host_int_mask);
/* wait firmware ready */
do {
firmware_state = readl(&reg->outbound_msgaddr1);
} while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
/* post "get config" instruction */
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
/* wait message ready */
for (Index = 0; Index < 2000; Index++) {
if (readl(&reg->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &reg->outbound_doorbell_clear);/*clear interrupt*/
break;
}
udelay(10);
} /*max 1 seconds*/
if (Index >= 2000) {
printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
miscellaneous data' timeout \n", pACB->host->host_no);
return false;
}
count = 8;
while (count) {
*acb_firm_model = readb(iop_firm_model);
acb_firm_model++;
iop_firm_model++;
count--;
}
count = 16;
while (count) {
*acb_firm_version = readb(iop_firm_version);
acb_firm_version++;
iop_firm_version++;
count--;
}
printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
pACB->host->host_no,
pACB->firm_version,
pACB->firm_model);
pACB->firm_request_len = readl(&reg->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/
pACB->firm_numbers_queue = readl(&reg->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/
pACB->firm_sdram_size = readl(&reg->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/
pACB->firm_hd_channels = readl(&reg->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/
pACB->firm_cfg_version = readl(&reg->msgcode_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
/*all interrupt service will be enable at arcmsr_iop_init*/
return true;
}
static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
{ {
if (acb->adapter_type == ACB_ADAPTER_TYPE_A) if (acb->adapter_type == ACB_ADAPTER_TYPE_A)
return arcmsr_get_hba_config(acb); return arcmsr_get_hba_config(acb);
else else if (acb->adapter_type == ACB_ADAPTER_TYPE_B)
return arcmsr_get_hbb_config(acb); return arcmsr_get_hbb_config(acb);
else
return arcmsr_get_hbc_config(acb);
} }
static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
...@@ -2044,18 +2334,19 @@ static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, ...@@ -2044,18 +2334,19 @@ static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
struct ARCMSR_CDB *arcmsr_cdb; struct ARCMSR_CDB *arcmsr_cdb;
uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0; uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0;
int rtn; int rtn;
bool error;
polling_hba_ccb_retry: polling_hba_ccb_retry:
poll_count++; poll_count++;
outbound_intstatus = readl(&reg->outbound_intstatus) & acb->outbound_int_enable; outbound_intstatus = readl(&reg->outbound_intstatus) & acb->outbound_int_enable;
writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/ writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/
while (1) { while (1) {
if ((flag_ccb = readl(&reg->outbound_queueport)) == 0xFFFFFFFF) { if ((flag_ccb = readl(&reg->outbound_queueport)) == 0xFFFFFFFF) {
if (poll_ccb_done) { if (poll_ccb_done){
rtn = SUCCESS; rtn = SUCCESS;
break; break;
} else { }else {
if (poll_count > 100) { msleep(25);
if (poll_count > 100){
rtn = FAILED; rtn = FAILED;
break; break;
} }
...@@ -2084,10 +2375,10 @@ static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, ...@@ -2084,10 +2375,10 @@ static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
, ccb , ccb
, atomic_read(&acb->ccboutstandingcount)); , atomic_read(&acb->ccboutstandingcount));
continue; continue;
} else {
arcmsr_report_ccb_state(acb, ccb, flag_ccb);
} }
} error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
arcmsr_report_ccb_state(acb, ccb, error);
}
return rtn; return rtn;
} }
...@@ -2099,20 +2390,20 @@ static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, ...@@ -2099,20 +2390,20 @@ static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *ccb; struct CommandControlBlock *ccb;
uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0; uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0;
int index, rtn; int index, rtn;
bool error;
polling_hbb_ccb_retry: polling_hbb_ccb_retry:
poll_count++; poll_count++;
/* clear doorbell interrupt */ /* clear doorbell interrupt */
writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
while (1) { while(1){
index = reg->doneq_index; index = reg->doneq_index;
if ((flag_ccb = readl(&reg->done_qbuffer[index])) == 0) { if ((flag_ccb = readl(&reg->done_qbuffer[index])) == 0) {
if (poll_ccb_done) { if (poll_ccb_done){
rtn = SUCCESS; rtn = SUCCESS;
break; break;
} else { }else {
msleep(25); msleep(25);
if (poll_count > 100) { if (poll_count > 100){
rtn = FAILED; rtn = FAILED;
break; break;
} }
...@@ -2124,7 +2415,7 @@ static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, ...@@ -2124,7 +2415,7 @@ static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
/*if last index number set it to 0 */ /*if last index number set it to 0 */
index %= ARCMSR_MAX_HBB_POSTQUEUE; index %= ARCMSR_MAX_HBB_POSTQUEUE;
reg->doneq_index = index; reg->doneq_index = index;
/* check ifcommand done with no error*/ /* check if command done with no error*/
arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));
ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
poll_ccb_done = (ccb == poll_ccb) ? 1:0; poll_ccb_done = (ccb == poll_ccb) ? 1:0;
...@@ -2147,13 +2438,69 @@ static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, ...@@ -2147,13 +2438,69 @@ static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
, ccb , ccb
, atomic_read(&acb->ccboutstandingcount)); , atomic_read(&acb->ccboutstandingcount));
continue; continue;
} else {
arcmsr_report_ccb_state(acb, ccb, flag_ccb);
} }
} /*drain reply FIFO*/ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
arcmsr_report_ccb_state(acb, ccb, error);
}
return rtn; return rtn;
} }
static int arcmsr_polling_hbc_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
uint32_t flag_ccb, ccb_cdb_phy;
struct ARCMSR_CDB *arcmsr_cdb;
bool error;
struct CommandControlBlock *pCCB;
uint32_t poll_ccb_done = 0, poll_count = 0;
int rtn;
polling_hbc_ccb_retry:
poll_count++;
while (1) {
if ((readl(&reg->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) {
if (poll_ccb_done) {
rtn = SUCCESS;
break;
} else {
msleep(25);
if (poll_count > 100) {
rtn = FAILED;
break;
}
goto polling_hbc_ccb_retry;
}
}
flag_ccb = readl(&reg->outbound_queueport_low);
ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/
pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
poll_ccb_done = (pCCB == poll_ccb) ? 1 : 0;
/* check ifcommand done with no error*/
if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
" poll command abort successfully \n"
, acb->host->host_no
, pCCB->pcmd->device->id
, pCCB->pcmd->device->lun
, pCCB);
pCCB->pcmd->result = DID_ABORT << 16;
arcmsr_ccb_complete(pCCB);
continue;
}
printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
" command done ccb = '0x%p'"
"ccboutstandingcount = %d \n"
, acb->host->host_no
, pCCB
, atomic_read(&acb->ccboutstandingcount));
continue;
}
error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
arcmsr_report_ccb_state(acb, pCCB, error);
}
return rtn;
}
static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb) struct CommandControlBlock *poll_ccb)
{ {
...@@ -2168,6 +2515,10 @@ static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, ...@@ -2168,6 +2515,10 @@ static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
case ACB_ADAPTER_TYPE_B: { case ACB_ADAPTER_TYPE_B: {
rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb); rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb);
} }
break;
case ACB_ADAPTER_TYPE_C: {
rtn = arcmsr_polling_hbc_ccbdone(acb, poll_ccb);
}
} }
return rtn; return rtn;
} }
...@@ -2185,6 +2536,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) ...@@ -2185,6 +2536,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
dma_coherent_handle = acb->dma_coherent_handle; dma_coherent_handle = acb->dma_coherent_handle;
cdb_phyaddr = (uint32_t)(dma_coherent_handle); cdb_phyaddr = (uint32_t)(dma_coherent_handle);
cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16); cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32;
/* /*
*********************************************************************** ***********************************************************************
** if adapter type B, set window of "post command Q" ** if adapter type B, set window of "post command Q"
...@@ -2202,7 +2554,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) ...@@ -2202,7 +2554,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
writel(cdb_phyaddr_hi32, &reg->message_rwbuffer[1]); writel(cdb_phyaddr_hi32, &reg->message_rwbuffer[1]);
writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \ writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \
&reg->inbound_msgaddr0); &reg->inbound_msgaddr0);
if (arcmsr_hba_wait_msgint_ready(acb)) { if (!arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: ""set ccb high \ printk(KERN_NOTICE "arcmsr%d: ""set ccb high \
part physical address timeout\n", part physical address timeout\n",
acb->host->host_no); acb->host->host_no);
...@@ -2223,7 +2575,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) ...@@ -2223,7 +2575,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
reg->postq_index = 0; reg->postq_index = 0;
reg->doneq_index = 0; reg->doneq_index = 0;
writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell); writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) { if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \ printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \
acb->host->host_no); acb->host->host_no);
return 1; return 1;
...@@ -2242,7 +2594,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) ...@@ -2242,7 +2594,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
writel(1056, rwbuffer); writel(1056, rwbuffer);
writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell); writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) { if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
timeout \n",acb->host->host_no); timeout \n",acb->host->host_no);
return 1; return 1;
...@@ -2251,6 +2603,27 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) ...@@ -2251,6 +2603,27 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
arcmsr_enable_outbound_ints(acb, intmask_org); arcmsr_enable_outbound_ints(acb, intmask_org);
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
if (cdb_phyaddr_hi32 != 0) {
struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
if (cdb_phyaddr_hi32 != 0) {
unsigned char Retries = 0x00;
do {
printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x \n", acb->adapter_index, cdb_phyaddr_hi32);
} while (Retries++ < 100);
}
writel(ARCMSR_SIGNATURE_SET_CONFIG, &reg->msgcode_rwbuffer[0]);
writel(cdb_phyaddr_hi32, &reg->msgcode_rwbuffer[1]);
writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, &reg->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
if (!arcmsr_hbc_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
timeout \n", acb->host->host_no);
return 1;
}
}
}
} }
return 0; return 0;
} }
...@@ -2258,7 +2631,6 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) ...@@ -2258,7 +2631,6 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
{ {
uint32_t firmware_state = 0; uint32_t firmware_state = 0;
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: { case ACB_ADAPTER_TYPE_A: {
...@@ -2277,24 +2649,30 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) ...@@ -2277,24 +2649,30 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
do {
firmware_state = readl(&reg->outbound_msgaddr1);
} while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
}
} }
} }
static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb) static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb)
{ {
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) { if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
return; return;
} else { } else {
acb->fw_flag = FW_NORMAL; acb->fw_flag = FW_NORMAL;
if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)){
atomic_set(&acb->rq_map_token, 16); atomic_set(&acb->rq_map_token, 16);
} }
atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
if (atomic_dec_and_test(&acb->rq_map_token)) if (atomic_dec_and_test(&acb->rq_map_token))
return; return;
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0); writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
} }
return; return;
} }
...@@ -2302,7 +2680,25 @@ static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb) ...@@ -2302,7 +2680,25 @@ static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb)
static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb) static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb)
{ {
struct MessageUnit_B __iomem *reg = acb->pmuB; struct MessageUnit_B __iomem *reg = acb->pmuB;
if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
return;
} else {
acb->fw_flag = FW_NORMAL;
if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) {
atomic_set(&acb->rq_map_token,16);
}
atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
if(atomic_dec_and_test(&acb->rq_map_token))
return;
writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
}
return;
}
static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb)
{
struct MessageUnit_C __iomem *reg = acb->pmuC;
if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) { if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) {
return; return;
} else { } else {
...@@ -2313,8 +2709,9 @@ static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb) ...@@ -2313,8 +2709,9 @@ static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb)
atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
if (atomic_dec_and_test(&acb->rq_map_token)) if (atomic_dec_and_test(&acb->rq_map_token))
return; return;
writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
} }
return; return;
} }
...@@ -2322,7 +2719,6 @@ static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb) ...@@ -2322,7 +2719,6 @@ static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb)
static void arcmsr_request_device_map(unsigned long pacb) static void arcmsr_request_device_map(unsigned long pacb)
{ {
struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb; struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb;
switch (acb->adapter_type) { switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: { case ACB_ADAPTER_TYPE_A: {
arcmsr_request_hba_device_map(acb); arcmsr_request_hba_device_map(acb);
...@@ -2332,6 +2728,9 @@ static void arcmsr_request_device_map(unsigned long pacb) ...@@ -2332,6 +2728,9 @@ static void arcmsr_request_device_map(unsigned long pacb)
arcmsr_request_hbb_device_map(acb); arcmsr_request_hbb_device_map(acb);
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
arcmsr_request_hbc_device_map(acb);
}
} }
} }
...@@ -2340,7 +2739,7 @@ static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb) ...@@ -2340,7 +2739,7 @@ static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb)
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *reg = acb->pmuA;
acb->acb_flags |= ACB_F_MSG_START_BGRB; acb->acb_flags |= ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_START_BGRB, &reg->inbound_msgaddr0); writel(ARCMSR_INBOUND_MESG0_START_BGRB, &reg->inbound_msgaddr0);
if (arcmsr_hba_wait_msgint_ready(acb)) { if (!arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
rebulid' timeout \n", acb->host->host_no); rebulid' timeout \n", acb->host->host_no);
} }
...@@ -2351,12 +2750,24 @@ static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb) ...@@ -2351,12 +2750,24 @@ static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb)
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
acb->acb_flags |= ACB_F_MSG_START_BGRB; acb->acb_flags |= ACB_F_MSG_START_BGRB;
writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell); writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) { if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
rebulid' timeout \n",acb->host->host_no); rebulid' timeout \n",acb->host->host_no);
} }
} }
static void arcmsr_start_hbc_bgrb(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC;
pACB->acb_flags |= ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell);
if (!arcmsr_hbc_wait_msgint_ready(pACB)) {
printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
rebulid' timeout \n", pACB->host->host_no);
}
return;
}
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
{ {
switch (acb->adapter_type) { switch (acb->adapter_type) {
...@@ -2366,6 +2777,8 @@ static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) ...@@ -2366,6 +2777,8 @@ static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: case ACB_ADAPTER_TYPE_B:
arcmsr_start_hbb_bgrb(acb); arcmsr_start_hbb_bgrb(acb);
break; break;
case ACB_ADAPTER_TYPE_C:
arcmsr_start_hbc_bgrb(acb);
} }
} }
...@@ -2391,6 +2804,14 @@ static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) ...@@ -2391,6 +2804,14 @@ static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb)
/* let IOP know data has been read */ /* let IOP know data has been read */
} }
break; break;
case ACB_ADAPTER_TYPE_C: {
struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
uint32_t outbound_doorbell;
/* empty doorbell Qbuffer if door bell ringed */
outbound_doorbell = readl(&reg->outbound_doorbell);
writel(outbound_doorbell, &reg->outbound_doorbell_clear);
writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, &reg->inbound_doorbell);
}
} }
} }
...@@ -2403,12 +2824,14 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) ...@@ -2403,12 +2824,14 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
{ {
struct MessageUnit_B *reg = acb->pmuB; struct MessageUnit_B *reg = acb->pmuB;
writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell); writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell);
if(arcmsr_hbb_wait_msgint_ready(acb)) { if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT"); printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT");
return; return;
} }
} }
break; break;
case ACB_ADAPTER_TYPE_C:
return;
} }
return; return;
} }
...@@ -2416,21 +2839,33 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) ...@@ -2416,21 +2839,33 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
{ {
uint8_t value[64]; uint8_t value[64];
int i; int i, count = 0;
struct MessageUnit_A __iomem *reg = acb->pmuA; struct MessageUnit_A __iomem *pmuA = acb->pmuA;
struct MessageUnit_C __iomem *pmuC = acb->pmuC;
u32 temp = 0;
/* backup pci config data */ /* backup pci config data */
printk(KERN_ERR "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no); printk(KERN_NOTICE "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no);
for (i = 0; i < 64; i++) { for (i = 0; i < 64; i++) {
pci_read_config_byte(acb->pdev, i, &value[i]); pci_read_config_byte(acb->pdev, i, &value[i]);
} }
/* hardware reset signal */ /* hardware reset signal */
if ((acb->dev_id == 0x1680)) { if ((acb->dev_id == 0x1680)) {
writel(ARCMSR_ARC1680_BUS_RESET, &reg->reserved1[0]); writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]);
} else if ((acb->dev_id == 0x1880)) {
do {
count++;
writel(0xF, &pmuC->write_sequence);
writel(0x4, &pmuC->write_sequence);
writel(0xB, &pmuC->write_sequence);
writel(0x2, &pmuC->write_sequence);
writel(0x7, &pmuC->write_sequence);
writel(0xD, &pmuC->write_sequence);
} while ((((temp = readl(&pmuC->host_diagnostic)) | ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5));
writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic);
} else { } else {
pci_write_config_byte(acb->pdev, 0x84, 0x20); pci_write_config_byte(acb->pdev, 0x84, 0x20);
} }
msleep(1000); msleep(2000);
/* write back pci config data */ /* write back pci config data */
for (i = 0; i < 64; i++) { for (i = 0; i < 64; i++) {
pci_write_config_byte(acb->pdev, i, value[i]); pci_write_config_byte(acb->pdev, i, value[i]);
...@@ -2438,33 +2873,9 @@ static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) ...@@ -2438,33 +2873,9 @@ static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
msleep(1000); msleep(1000);
return; return;
} }
/*
****************************************************************************
****************************************************************************
*/
int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd)
{
struct Scsi_Host *shost = NULL;
int i, isleep;
shost = cmd->device->host;
isleep = sleeptime / 10;
if (isleep > 0) {
for (i = 0; i < isleep; i++) {
msleep(10000);
}
}
isleep = sleeptime % 10;
if (isleep > 0) {
msleep(isleep * 1000);
}
return 0;
}
static void arcmsr_iop_init(struct AdapterControlBlock *acb) static void arcmsr_iop_init(struct AdapterControlBlock *acb)
{ {
uint32_t intmask_org; uint32_t intmask_org;
/* disable all outbound interrupt */ /* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb); intmask_org = arcmsr_disable_outbound_ints(acb);
arcmsr_wait_firmware_ready(acb); arcmsr_wait_firmware_ready(acb);
...@@ -2485,7 +2896,6 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) ...@@ -2485,7 +2896,6 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
uint32_t intmask_org; uint32_t intmask_org;
uint8_t rtnval = 0x00; uint8_t rtnval = 0x00;
int i = 0; int i = 0;
if (atomic_read(&acb->ccboutstandingcount) != 0) { if (atomic_read(&acb->ccboutstandingcount) != 0) {
/* disable all outbound interrupt */ /* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb); intmask_org = arcmsr_disable_outbound_ints(acb);
...@@ -2514,24 +2924,22 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd) ...@@ -2514,24 +2924,22 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
uint32_t intmask_org, outbound_doorbell; uint32_t intmask_org, outbound_doorbell;
int retry_count = 0; int retry_count = 0;
int rtn = FAILED; int rtn = FAILED;
acb = (struct AdapterControlBlock *) cmd->device->host->hostdata; acb = (struct AdapterControlBlock *) cmd->device->host->hostdata;
printk(KERN_ERR "arcmsr: executing eh bus reset .....num_resets = %d, \ printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts);
num_aborts = %d \n", acb->num_resets, acb->num_aborts);
acb->num_resets++; acb->num_resets++;
switch (acb->adapter_type) { switch(acb->adapter_type){
case ACB_ADAPTER_TYPE_A: { case ACB_ADAPTER_TYPE_A:{
if (acb->acb_flags & ACB_F_BUS_RESET) { if (acb->acb_flags & ACB_F_BUS_RESET){
long timeout; long timeout;
timeout = wait_event_timeout(wait_q, printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n");
(acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
if (timeout) { if (timeout) {
return SUCCESS; return SUCCESS;
} }
} }
acb->acb_flags |= ACB_F_BUS_RESET; acb->acb_flags |= ACB_F_BUS_RESET;
if (arcmsr_iop_reset(acb)) { if (!arcmsr_iop_reset(acb)) {
struct MessageUnit_A __iomem *reg; struct MessageUnit_A __iomem *reg;
reg = acb->pmuA; reg = acb->pmuA;
arcmsr_hardware_reset(acb); arcmsr_hardware_reset(acb);
...@@ -2539,12 +2947,10 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd) ...@@ -2539,12 +2947,10 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
sleep_again: sleep_again:
arcmsr_sleep_for_bus_reset(cmd); arcmsr_sleep_for_bus_reset(cmd);
if ((readl(&reg->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) { if ((readl(&reg->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, \ printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d \n", acb->host->host_no, retry_count);
retry=%d \n", acb->host->host_no, retry_count);
if (retry_count > retrycount) { if (retry_count > retrycount) {
acb->fw_flag = FW_DEADLOCK; acb->fw_flag = FW_DEADLOCK;
printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, \ printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!! \n", acb->host->host_no);
RETRY TERMINATED!! \n", acb->host->host_no);
return FAILED; return FAILED;
} }
retry_count++; retry_count++;
...@@ -2571,7 +2977,7 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd) ...@@ -2571,7 +2977,7 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
add_timer(&acb->eternal_timer); add_timer(&acb->eternal_timer);
acb->acb_flags &= ~ACB_F_BUS_RESET; acb->acb_flags &= ~ACB_F_BUS_RESET;
rtn = SUCCESS; rtn = SUCCESS;
printk(KERN_ERR "arcmsr: scsi eh bus reset succeeds\n"); printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
} else { } else {
acb->acb_flags &= ~ACB_F_BUS_RESET; acb->acb_flags &= ~ACB_F_BUS_RESET;
if (atomic_read(&acb->rq_map_token) == 0) { if (atomic_read(&acb->rq_map_token) == 0) {
...@@ -2595,7 +3001,7 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd) ...@@ -2595,7 +3001,7 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
} }
case ACB_ADAPTER_TYPE_B:{ case ACB_ADAPTER_TYPE_B:{
acb->acb_flags |= ACB_F_BUS_RESET; acb->acb_flags |= ACB_F_BUS_RESET;
if (arcmsr_iop_reset(acb)) { if (!arcmsr_iop_reset(acb)) {
acb->acb_flags &= ~ACB_F_BUS_RESET; acb->acb_flags &= ~ACB_F_BUS_RESET;
rtn = FAILED; rtn = FAILED;
} else { } else {
...@@ -2617,6 +3023,77 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd) ...@@ -2617,6 +3023,77 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
} }
rtn = SUCCESS; rtn = SUCCESS;
} }
break;
}
case ACB_ADAPTER_TYPE_C:{
if (acb->acb_flags & ACB_F_BUS_RESET) {
long timeout;
printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n");
timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
if (timeout) {
return SUCCESS;
}
}
acb->acb_flags |= ACB_F_BUS_RESET;
if (!arcmsr_iop_reset(acb)) {
struct MessageUnit_C __iomem *reg;
reg = acb->pmuC;
arcmsr_hardware_reset(acb);
acb->acb_flags &= ~ACB_F_IOP_INITED;
sleep:
arcmsr_sleep_for_bus_reset(cmd);
if ((readl(&reg->host_diagnostic) & 0x04) != 0) {
printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d \n", acb->host->host_no, retry_count);
if (retry_count > retrycount) {
acb->fw_flag = FW_DEADLOCK;
printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!! \n", acb->host->host_no);
return FAILED;
}
retry_count++;
goto sleep;
}
acb->acb_flags |= ACB_F_IOP_INITED;
/* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb);
arcmsr_get_firmware_spec(acb);
arcmsr_start_adapter_bgrb(acb);
/* clear Qbuffer if door bell ringed */
outbound_doorbell = readl(&reg->outbound_doorbell);
writel(outbound_doorbell, &reg->outbound_doorbell_clear); /*clear interrupt */
writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, &reg->inbound_doorbell);
/* enable outbound Post Queue,outbound doorbell Interrupt */
arcmsr_enable_outbound_ints(acb, intmask_org);
atomic_set(&acb->rq_map_token, 16);
atomic_set(&acb->ante_token_value, 16);
acb->fw_flag = FW_NORMAL;
init_timer(&acb->eternal_timer);
acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ);
acb->eternal_timer.data = (unsigned long) acb;
acb->eternal_timer.function = &arcmsr_request_device_map;
add_timer(&acb->eternal_timer);
acb->acb_flags &= ~ACB_F_BUS_RESET;
rtn = SUCCESS;
printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
} else {
acb->acb_flags &= ~ACB_F_BUS_RESET;
if (atomic_read(&acb->rq_map_token) == 0) {
atomic_set(&acb->rq_map_token, 16);
atomic_set(&acb->ante_token_value, 16);
acb->fw_flag = FW_NORMAL;
init_timer(&acb->eternal_timer);
acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ);
acb->eternal_timer.data = (unsigned long) acb;
acb->eternal_timer.function = &arcmsr_request_device_map;
add_timer(&acb->eternal_timer);
} else {
atomic_set(&acb->rq_map_token, 16);
atomic_set(&acb->ante_token_value, 16);
acb->fw_flag = FW_NORMAL;
mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
}
rtn = SUCCESS;
}
break;
} }
} }
return rtn; return rtn;
...@@ -2626,9 +3103,7 @@ static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, ...@@ -2626,9 +3103,7 @@ static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
struct CommandControlBlock *ccb) struct CommandControlBlock *ccb)
{ {
int rtn; int rtn;
spin_lock_irq(&acb->eh_lock);
rtn = arcmsr_polling_ccbdone(acb, ccb); rtn = arcmsr_polling_ccbdone(acb, ccb);
spin_unlock_irq(&acb->eh_lock);
return rtn; return rtn;
} }
...@@ -2638,7 +3113,6 @@ static int arcmsr_abort(struct scsi_cmnd *cmd) ...@@ -2638,7 +3113,6 @@ static int arcmsr_abort(struct scsi_cmnd *cmd)
(struct AdapterControlBlock *)cmd->device->host->hostdata; (struct AdapterControlBlock *)cmd->device->host->hostdata;
int i = 0; int i = 0;
int rtn = FAILED; int rtn = FAILED;
printk(KERN_NOTICE printk(KERN_NOTICE
"arcmsr%d: abort device command of scsi id = %d lun = %d \n", "arcmsr%d: abort device command of scsi id = %d lun = %d \n",
acb->host->host_no, cmd->device->id, cmd->device->lun); acb->host->host_no, cmd->device->id, cmd->device->lun);
...@@ -2672,7 +3146,6 @@ static const char *arcmsr_info(struct Scsi_Host *host) ...@@ -2672,7 +3146,6 @@ static const char *arcmsr_info(struct Scsi_Host *host)
static char buf[256]; static char buf[256];
char *type; char *type;
int raid6 = 1; int raid6 = 1;
switch (acb->pdev->device) { switch (acb->pdev->device) {
case PCI_DEVICE_ID_ARECA_1110: case PCI_DEVICE_ID_ARECA_1110:
case PCI_DEVICE_ID_ARECA_1200: case PCI_DEVICE_ID_ARECA_1200:
...@@ -2696,6 +3169,7 @@ static const char *arcmsr_info(struct Scsi_Host *host) ...@@ -2696,6 +3169,7 @@ static const char *arcmsr_info(struct Scsi_Host *host)
case PCI_DEVICE_ID_ARECA_1381: case PCI_DEVICE_ID_ARECA_1381:
case PCI_DEVICE_ID_ARECA_1680: case PCI_DEVICE_ID_ARECA_1680:
case PCI_DEVICE_ID_ARECA_1681: case PCI_DEVICE_ID_ARECA_1681:
case PCI_DEVICE_ID_ARECA_1880:
type = "SAS"; type = "SAS";
break; break;
default: default:
......
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