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Commit ae52e7f0 authored by Nick Cheng's avatar Nick Cheng Committed by James Bottomley
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[SCSI] arcmsr: Support 1024 scatter-gather list entries and improve AP while... 

[SCSI] arcmsr: Support 1024 scatter-gather list entries and improve AP while FW trapped and behaviors of EHs

1. To support 4M/1024 scatter-gather list entry, reorganize struct
   ARCMSR_CDB and struct CommandControlBlock
2. To modify arcmsr_probe
3. In order to help fix F/W issue, add the driver mode for type B card
4. To improve AP's behavior while F/W resets
5. To unify struct MessageUnit_B's members' naming in all OS drivers'
6. To improve error handlers, arcmsr_bus_reset(), arcmsr_abort()
7. To fix the arcmsr_queue_command() in bus reset stage, just let the
   commands pass down to FW, don't block
Signed-off-by: default avatarNick Cheng <nick.cheng@areca.com.tw>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent f034260d
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Showing with 677 additions and 683 deletions
drivers/scsi/arcmsr/arcmsr.h
View file @ ae52e7f0
......@@ -48,16 +48,22 @@ struct device_attribute;
/*The limit of outstanding scsi command that firmware can handle*/
#define ARCMSR_MAX_OUTSTANDING_CMD 256
#define ARCMSR_MAX_FREECCB_NUM 320
#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2008/11/03"
#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2009/12/09"
#define ARCMSR_SCSI_INITIATOR_ID 255
#define ARCMSR_MAX_XFER_SECTORS 512
#define ARCMSR_MAX_XFER_SECTORS_B 4096
#define ARCMSR_MAX_XFER_SECTORS_C 304
#define ARCMSR_MAX_TARGETID 17
#define ARCMSR_MAX_TARGETLUN 8
#define ARCMSR_MAX_CMD_PERLUN ARCMSR_MAX_OUTSTANDING_CMD
#define ARCMSR_MAX_QBUFFER 4096
#define ARCMSR_MAX_SG_ENTRIES 38
#define ARCMSR_DEFAULT_SG_ENTRIES 38
#define ARCMSR_MAX_HBB_POSTQUEUE 264
#define ARCMSR_MAX_XFER_LEN 0x26000 /* 152K */
#define ARCMSR_CDB_SG_PAGE_LENGTH 256
#ifndef PCI_DEVICE_ID_ARECA_1880
#define PCI_DEVICE_ID_ARECA_1880 0x1880
#endif
/*
**********************************************************************************
**
......@@ -141,26 +147,19 @@ struct CMD_MESSAGE_FIELD
** structure for holding DMA address data
*************************************************************
*/
#define IS_DMA64 (sizeof(dma_addr_t) == 8)
#define IS_SG64_ADDR 0x01000000 /* bit24 */
struct SG32ENTRY
{
__le32 length;
__le32 address;
};
} __attribute__ ((packed));
struct SG64ENTRY
{
__le32 length;
__le32 address;
__le32 addresshigh;
};
struct SGENTRY_UNION
{
union
{
struct SG32ENTRY sg32entry;
struct SG64ENTRY sg64entry;
}u;
};
} __attribute__ ((packed));
/*
********************************************************************
** Q Buffer of IOP Message Transfer
......@@ -187,6 +186,9 @@ struct FIRMWARE_INFO
char model[8]; /*15, 60-67*/
char firmware_ver[16]; /*17, 68-83*/
char device_map[16]; /*21, 84-99*/
uint32_t cfgVersion; /*25,100-103 Added for checking of new firmware capability*/
uint8_t cfgSerial[16]; /*26,104-119*/
uint32_t cfgPicStatus; /*30,120-123*/
};
/* signature of set and get firmware config */
#define ARCMSR_SIGNATURE_GET_CONFIG 0x87974060
......@@ -213,6 +215,8 @@ struct FIRMWARE_INFO
#define ARCMSR_CCBREPLY_FLAG_ERROR 0x10000000
/* outbound firmware ok */
#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000
/* ARC-1680 Bus Reset*/
#define ARCMSR_ARC1680_BUS_RESET 0x00000003
/*
************************************************************************
......@@ -264,11 +268,11 @@ struct FIRMWARE_INFO
/* data tunnel buffer between user space program and its firmware */
/* user space data to iop 128bytes */
#define ARCMSR_IOCTL_WBUFFER 0x0000fe00
#define ARCMSR_MESSAGE_WBUFFER 0x0000fe00
/* iop data to user space 128bytes */
#define ARCMSR_IOCTL_RBUFFER 0x0000ff00
#define ARCMSR_MESSAGE_RBUFFER 0x0000ff00
/* iop message_rwbuffer for message command */
#define ARCMSR_MSGCODE_RWBUFFER 0x0000fa00
#define ARCMSR_MESSAGE_RWBUFFER 0x0000fa00
/*
*******************************************************************************
** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
......@@ -290,7 +294,7 @@ struct ARCMSR_CDB
#define ARCMSR_CDB_FLAG_HEADQ 0x08
#define ARCMSR_CDB_FLAG_ORDEREDQ 0x10
uint8_t Reserved1;
uint8_t msgPages;
uint32_t Context;
uint32_t DataLength;
uint8_t Cdb[16];
......@@ -303,10 +307,10 @@ struct ARCMSR_CDB
uint8_t SenseData[15];
union
{
struct SG32ENTRY sg32entry[ARCMSR_MAX_SG_ENTRIES];
struct SG64ENTRY sg64entry[ARCMSR_MAX_SG_ENTRIES];
struct SG32ENTRY sg32entry[1];
struct SG64ENTRY sg64entry[1];
} u;
};
} __attribute__ ((packed));
/*
*******************************************************************************
** Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
......@@ -344,13 +348,13 @@ struct MessageUnit_B
uint32_t done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
uint32_t postq_index;
uint32_t doneq_index;
uint32_t __iomem *drv2iop_doorbell_reg;
uint32_t __iomem *drv2iop_doorbell_mask_reg;
uint32_t __iomem *iop2drv_doorbell_reg;
uint32_t __iomem *iop2drv_doorbell_mask_reg;
uint32_t __iomem *msgcode_rwbuffer_reg;
uint32_t __iomem *ioctl_wbuffer_reg;
uint32_t __iomem *ioctl_rbuffer_reg;
uint32_t __iomem *drv2iop_doorbell;
uint32_t __iomem *drv2iop_doorbell_mask;
uint32_t __iomem *iop2drv_doorbell;
uint32_t __iomem *iop2drv_doorbell_mask;
uint32_t __iomem *message_rwbuffer;
uint32_t __iomem *message_wbuffer;
uint32_t __iomem *message_rbuffer;
};
/*
......@@ -370,14 +374,17 @@ struct AdapterControlBlock
unsigned long vir2phy_offset;
/* Offset is used in making arc cdb physical to virtual calculations */
uint32_t outbound_int_enable;
spinlock_t eh_lock;
spinlock_t ccblist_lock;
union {
struct MessageUnit_A __iomem * pmuA;
struct MessageUnit_B * pmuB;
};
/* message unit ATU inbound base address0 */
void __iomem *mem_base0;
void __iomem *mem_base1;
uint32_t acb_flags;
u16 dev_id;
uint8_t adapter_index;
#define ACB_F_SCSISTOPADAPTER 0x0001
#define ACB_F_MSG_STOP_BGRB 0x0002
......@@ -394,6 +401,7 @@ struct AdapterControlBlock
#define ACB_F_BUS_RESET 0x0080
#define ACB_F_IOP_INITED 0x0100
/* iop init */
#define ACB_F_ABORT 0x0200
#define ACB_F_FIRMWARE_TRAP 0x0400
struct CommandControlBlock * pccb_pool[ARCMSR_MAX_FREECCB_NUM];
/* used for memory free */
......@@ -408,7 +416,8 @@ struct AdapterControlBlock
/* dma_coherent used for memory free */
dma_addr_t dma_coherent_handle;
/* dma_coherent_handle used for memory free */
dma_addr_t dma_coherent_handle_hbb_mu;
unsigned int uncache_size;
uint8_t rqbuffer[ARCMSR_MAX_QBUFFER];
/* data collection buffer for read from 80331 */
int32_t rqbuf_firstindex;
......@@ -432,14 +441,18 @@ struct AdapterControlBlock
uint32_t firm_numbers_queue;
uint32_t firm_sdram_size;
uint32_t firm_hd_channels;
uint32_t firm_cfg_version;
char firm_model[12];
char firm_version[20];
char device_map[20]; /*21,84-99*/
struct work_struct arcmsr_do_message_isr_bh;
struct timer_list eternal_timer;
unsigned short fw_state;
unsigned short fw_flag;
#define FW_NORMAL 0x0000
#define FW_BOG 0x0001
#define FW_DEADLOCK 0x0010
atomic_t rq_map_token;
int ante_token_value;
atomic_t ante_token_value;
};/* HW_DEVICE_EXTENSION */
/*
*******************************************************************************
......@@ -449,65 +462,31 @@ struct AdapterControlBlock
*/
struct CommandControlBlock
{
struct ARCMSR_CDB arcmsr_cdb;
/*
** 0-503 (size of CDB = 504):
** arcmsr messenger scsi command descriptor size 504 bytes
*/
uint32_t cdb_shifted_phyaddr;
/* 504-507 */
uint32_t reserved1;
/* 508-511 */
#if BITS_PER_LONG == 64
/* ======================512+64 bytes======================== */
struct list_head list;
/* 512-527 16 bytes next/prev ptrs for ccb lists */
struct scsi_cmnd * pcmd;
/* 528-535 8 bytes pointer of linux scsi command */
struct AdapterControlBlock * acb;
/* 536-543 8 bytes pointer of acb */
uint16_t ccb_flags;
/* 544-545 */
/*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
struct list_head list; /*x32: 8byte, x64: 16byte*/
struct scsi_cmnd *pcmd; /*8 bytes pointer of linux scsi command */
struct AdapterControlBlock *acb; /*x32: 4byte, x64: 8byte*/
uint32_t shifted_cdb_phyaddr; /*x32: 4byte, x64: 4byte*/
uint16_t ccb_flags; /*x32: 2byte, x64: 2byte*/
#define CCB_FLAG_READ 0x0000
#define CCB_FLAG_WRITE 0x0001
#define CCB_FLAG_ERROR 0x0002
#define CCB_FLAG_FLUSHCACHE 0x0004
#define CCB_FLAG_MASTER_ABORTED 0x0008
uint16_t startdone;
/* 546-547 */
uint16_t startdone; /*x32:2byte,x32:2byte*/
#define ARCMSR_CCB_DONE 0x0000
#define ARCMSR_CCB_START 0x55AA
#define ARCMSR_CCB_ABORTED 0xAA55
#define ARCMSR_CCB_ILLEGAL 0xFFFF
uint32_t reserved2[7];
/* 548-551 552-555 556-559 560-563 564-567 568-571 572-575 */
#if BITS_PER_LONG == 64
/* ======================512+64 bytes======================== */
uint32_t reserved[6]; /*24 byte*/
#else
/* ======================512+32 bytes======================== */
struct list_head list;
/* 512-519 8 bytes next/prev ptrs for ccb lists */
struct scsi_cmnd * pcmd;
/* 520-523 4 bytes pointer of linux scsi command */
struct AdapterControlBlock * acb;
/* 524-527 4 bytes pointer of acb */
uint16_t ccb_flags;
/* 528-529 */
#define CCB_FLAG_READ 0x0000
#define CCB_FLAG_WRITE 0x0001
#define CCB_FLAG_ERROR 0x0002
#define CCB_FLAG_FLUSHCACHE 0x0004
#define CCB_FLAG_MASTER_ABORTED 0x0008
uint16_t startdone;
/* 530-531 */
#define ARCMSR_CCB_DONE 0x0000
#define ARCMSR_CCB_START 0x55AA
#define ARCMSR_CCB_ABORTED 0xAA55
#define ARCMSR_CCB_ILLEGAL 0xFFFF
uint32_t reserved2[3];
/* 532-535 536-539 540-543 */
uint32_t reserved[2]; /*8 byte*/
#endif
/* ========================================================== */
/* ======================================================= */
struct ARCMSR_CDB arcmsr_cdb;
};
/*
*******************************************************************************
......
drivers/scsi/arcmsr/arcmsr_hba.c
View file @ ae52e7f0
......@@ -58,7 +58,6 @@
#include <linux/timer.h>
#include <linux/pci.h>
#include <linux/aer.h>
#include <linux/slab.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/system.h>
......@@ -71,20 +70,13 @@
#include <scsi/scsi_transport.h>
#include <scsi/scsicam.h>
#include "arcmsr.h"
#ifdef CONFIG_SCSI_ARCMSR_RESET
static int sleeptime = 20;
static int retrycount = 12;
module_param(sleeptime, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(sleeptime, "The waiting period for FW ready while bus reset");
module_param(retrycount, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(retrycount, "The retry count for FW ready while bus reset");
#endif
MODULE_AUTHOR("Erich Chen <support@areca.com.tw>");
MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID Host Bus Adapter");
MODULE_AUTHOR("Nick Cheng <support@areca.com.tw>");
MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx) SATA/SAS RAID Host Bus Adapter");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(ARCMSR_DRIVER_VERSION);
static int sleeptime = 20;
static int retrycount = 12;
wait_queue_head_t wait_q;
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd);
static int arcmsr_iop_confirm(struct AdapterControlBlock *acb);
......@@ -108,7 +100,7 @@ static void arcmsr_request_device_map(unsigned long pacb);
static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb);
static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb);
static void arcmsr_message_isr_bh_fn(struct work_struct *work);
static void *arcmsr_get_firmware_spec(struct AdapterControlBlock *acb, int mode);
static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb);
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
static const char *arcmsr_info(struct Scsi_Host *);
......@@ -135,10 +127,10 @@ static struct scsi_host_template arcmsr_scsi_host_template = {
.eh_bus_reset_handler = arcmsr_bus_reset,
.bios_param = arcmsr_bios_param,
.change_queue_depth = arcmsr_adjust_disk_queue_depth,
.can_queue = ARCMSR_MAX_OUTSTANDING_CMD,
.can_queue = ARCMSR_MAX_FREECCB_NUM,
.this_id = ARCMSR_SCSI_INITIATOR_ID,
.sg_tablesize = ARCMSR_MAX_SG_ENTRIES,
.max_sectors = ARCMSR_MAX_XFER_SECTORS,
.sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES,
.max_sectors = ARCMSR_MAX_XFER_SECTORS_C,
.cmd_per_lun = ARCMSR_MAX_CMD_PERLUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = arcmsr_host_attrs,
......@@ -162,6 +154,7 @@ static struct pci_device_id arcmsr_device_id_table[] = {
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1381)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1680)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1681)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880)},
{0, 0}, /* Terminating entry */
};
MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table);
......@@ -173,15 +166,72 @@ static struct pci_driver arcmsr_pci_driver = {
.shutdown = arcmsr_shutdown,
};
static void arcmsr_free_mu(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:
break;
case ACB_ADAPTER_TYPE_B:{
struct MessageUnit_B *reg = acb->pmuB;
dma_free_coherent(&acb->pdev->dev,
sizeof(struct MessageUnit_B),
reg, acb->dma_coherent_handle_hbb_mu);
}
}
}
static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb)
{
struct pci_dev *pdev = acb->pdev;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:{
acb->pmuA = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
if (!acb->pmuA) {
printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
return false;
}
break;
}
case ACB_ADAPTER_TYPE_B:{
void __iomem *mem_base0, *mem_base1;
mem_base0 = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
if (!mem_base0) {
printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
return false;
}
mem_base1 = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2));
if (!mem_base1) {
iounmap(mem_base0);
printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
return false;
}
acb->mem_base0 = mem_base0;
acb->mem_base1 = mem_base1;
}
}
return true;
}
static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:{
iounmap(acb->pmuA);
}
case ACB_ADAPTER_TYPE_B:{
iounmap(acb->mem_base0);
iounmap(acb->mem_base1);
}
}
}
static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id)
{
irqreturn_t handle_state;
struct AdapterControlBlock *acb = dev_id;
spin_lock(acb->host->host_lock);
handle_state = arcmsr_interrupt(acb);
spin_unlock(acb->host->host_lock);
return handle_state;
}
......@@ -218,6 +268,7 @@ static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb)
struct pci_dev *pdev = acb->pdev;
u16 dev_id;
pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id);
acb->dev_id = dev_id;
switch (dev_id) {
case 0x1201 : {
acb->adapter_type = ACB_ADAPTER_TYPE_B;
......@@ -228,141 +279,210 @@ static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb)
}
}
static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
uint32_t Index;
uint8_t Retries = 0x00;
do {
for (Index = 0; Index < 100; Index++) {
if (readl(&reg->outbound_intstatus) &
ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT,
&reg->outbound_intstatus);
return 0x00;
}
msleep(10);
} /*max 1 seconds*/
} while (Retries++ < 20);/*max 20 sec*/
return 0xff;
}
static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
uint32_t Index;
uint8_t Retries = 0x00;
do {
for (Index = 0; Index < 100; Index++) {
if (readl(reg->iop2drv_doorbell)
& ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN
, reg->iop2drv_doorbell);
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
return 0x00;
}
msleep(10);
} /*max 1 seconds*/
} while (Retries++ < 20);/*max 20 sec*/
return 0xff;
}
static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
int retry_count = 30;
writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
do {
if (!arcmsr_hba_wait_msgint_ready(acb))
break;
else {
retry_count--;
printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
timeout, retry count down = %d \n", acb->host->host_no, retry_count);
}
} while (retry_count != 0);
}
static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
int retry_count = 30;
writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell);
do {
if (!arcmsr_hbb_wait_msgint_ready(acb))
break;
else {
retry_count--;
printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
timeout,retry count down = %d \n", acb->host->host_no, retry_count);
}
} while (retry_count != 0);
}
static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct pci_dev *pdev = acb->pdev;
void *dma_coherent;
dma_addr_t dma_coherent_handle, dma_addr;
struct CommandControlBlock *ccb_tmp;
int i, j;
arcmsr_flush_hba_cache(acb);
}
break;
acb->pmuA = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
if (!acb->pmuA) {
printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n",
acb->host->host_no);
return -ENOMEM;
case ACB_ADAPTER_TYPE_B: {
arcmsr_flush_hbb_cache(acb);
}
}
}
dma_coherent = dma_alloc_coherent(&pdev->dev,
ARCMSR_MAX_FREECCB_NUM *
sizeof (struct CommandControlBlock) + 0x20,
&dma_coherent_handle, GFP_KERNEL);
static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
{
struct pci_dev *pdev = acb->pdev;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
void *dma_coherent;
dma_addr_t dma_coherent_handle;
struct CommandControlBlock *ccb_tmp;
int i = 0, j = 0;
dma_addr_t cdb_phyaddr;
unsigned long roundup_ccbsize = 0;
unsigned long max_xfer_len;
unsigned long max_sg_entrys;
uint32_t firm_config_version;
for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
acb->devstate[i][j] = ARECA_RAID_GONE;
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);
}
acb->host->max_sectors = max_xfer_len/512;
acb->host->sg_tablesize = max_sg_entrys;
roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + max_sg_entrys * 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) {
iounmap(acb->pmuA);
printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error \n", acb->host->host_no);
return -ENOMEM;
}
memset(dma_coherent, 0, acb->uncache_size);
acb->dma_coherent = dma_coherent;
acb->dma_coherent_handle = dma_coherent_handle;
if (((unsigned long)dma_coherent & 0x1F)) {
dma_coherent = dma_coherent +
(0x20 - ((unsigned long)dma_coherent & 0x1F));
dma_coherent_handle = dma_coherent_handle +
(0x20 - ((unsigned long)dma_coherent_handle & 0x1F));
}
dma_addr = 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++) {
ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5;
ccb_tmp->acb = acb;
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);
dma_addr = dma_addr + sizeof(struct CommandControlBlock);
ccb_tmp++;
}
acb->vir2phy_offset = (unsigned long)ccb_tmp -(unsigned long)dma_addr;
for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
acb->devstate[i][j] = ARECA_RAID_GONE;
ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize);
dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;
}
break;
}
case ACB_ADAPTER_TYPE_B: {
struct pci_dev *pdev = acb->pdev;
struct MessageUnit_B *reg;
void __iomem *mem_base0, *mem_base1;
void *dma_coherent;
dma_addr_t dma_coherent_handle, dma_addr;
dma_addr_t dma_coherent_handle;
struct CommandControlBlock *ccb_tmp;
int i, j;
dma_coherent = dma_alloc_coherent(&pdev->dev,
((ARCMSR_MAX_FREECCB_NUM *
sizeof(struct CommandControlBlock) + 0x20) +
sizeof(struct MessageUnit_B)),
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)
return -ENOMEM;
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;
if (((unsigned long)dma_coherent & 0x1F)) {
dma_coherent = dma_coherent +
(0x20 - ((unsigned long)dma_coherent & 0x1F));
dma_coherent_handle = dma_coherent_handle +
(0x20 - ((unsigned long)dma_coherent_handle & 0x1F));
}
dma_addr = 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++) {
ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5;
ccb_tmp->acb = acb;
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);
dma_addr = dma_addr + sizeof(struct CommandControlBlock);
ccb_tmp++;
}
reg = (struct MessageUnit_B *)(dma_coherent +
ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock));
acb->pmuB = reg;
mem_base0 = ioremap(pci_resource_start(pdev, 0),
pci_resource_len(pdev, 0));
if (!mem_base0)
goto out;
mem_base1 = ioremap(pci_resource_start(pdev, 2),
pci_resource_len(pdev, 2));
if (!mem_base1) {
iounmap(mem_base0);
goto out;
ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp +
roundup_ccbsize);
dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;
}
reg->drv2iop_doorbell_reg = mem_base0 + ARCMSR_DRV2IOP_DOORBELL;
reg->drv2iop_doorbell_mask_reg = mem_base0 +
ARCMSR_DRV2IOP_DOORBELL_MASK;
reg->iop2drv_doorbell_reg = mem_base0 + ARCMSR_IOP2DRV_DOORBELL;
reg->iop2drv_doorbell_mask_reg = mem_base0 +
ARCMSR_IOP2DRV_DOORBELL_MASK;
reg->ioctl_wbuffer_reg = mem_base1 + ARCMSR_IOCTL_WBUFFER;
reg->ioctl_rbuffer_reg = mem_base1 + ARCMSR_IOCTL_RBUFFER;
reg->msgcode_rwbuffer_reg = mem_base1 + ARCMSR_MSGCODE_RWBUFFER;
acb->vir2phy_offset = (unsigned long)ccb_tmp -(unsigned long)dma_addr;
for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
acb->devstate[i][j] = ARECA_RAID_GOOD;
acb->devstate[i][j] = ARECA_RAID_GONE;
}
break;
}
return 0;
out:
dma_free_coherent(&acb->pdev->dev,
(ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock) + 0x20 +
sizeof(struct MessageUnit_B)), acb->dma_coherent, acb->dma_coherent_handle);
return -ENOMEM;
}
static void arcmsr_message_isr_bh_fn(struct work_struct *work)
{
......@@ -411,8 +531,8 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work)
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
char *acb_dev_map = (char *)acb->device_map;
uint32_t __iomem *signature = (uint32_t __iomem *)(&reg->msgcode_rwbuffer_reg[0]);
char __iomem *devicemap = (char __iomem *)(&reg->msgcode_rwbuffer_reg[21]);
uint32_t __iomem *signature = (uint32_t __iomem *)(&reg->message_rwbuffer[0]);
char __iomem *devicemap = (char __iomem *)(&reg->message_rwbuffer[21]);
int target, lun;
struct scsi_device *psdev;
char diff;
......@@ -447,8 +567,7 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work)
}
}
static int arcmsr_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct Scsi_Host *host;
struct AdapterControlBlock *acb;
......@@ -456,19 +575,13 @@ static int arcmsr_probe(struct pci_dev *pdev,
int error;
error = pci_enable_device(pdev);
if (error)
goto out;
pci_set_master(pdev);
host = scsi_host_alloc(&arcmsr_scsi_host_template,
sizeof(struct AdapterControlBlock));
if (error) {
return -ENODEV;
}
host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock));
if (!host) {
error = -ENOMEM;
goto out_disable_device;
goto pci_disable_dev;
}
acb = (struct AdapterControlBlock *)host->hostdata;
memset(acb, 0, sizeof (struct AdapterControlBlock));
error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (error) {
error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
......@@ -476,126 +589,90 @@ static int arcmsr_probe(struct pci_dev *pdev,
printk(KERN_WARNING
"scsi%d: No suitable DMA mask available\n",
host->host_no);
goto out_host_put;
goto scsi_host_release;
}
}
init_waitqueue_head(&wait_q);
bus = pdev->bus->number;
dev_fun = pdev->devfn;
acb->host = host;
acb = (struct AdapterControlBlock *) host->hostdata;
memset(acb, 0, sizeof(struct AdapterControlBlock));
acb->pdev = pdev;
host->max_sectors = ARCMSR_MAX_XFER_SECTORS;
acb->host = host;
host->max_lun = ARCMSR_MAX_TARGETLUN;
host->max_id = ARCMSR_MAX_TARGETID;/*16:8*/
host->max_cmd_len = 16; /*this is issue of 64bit LBA, over 2T byte*/
host->sg_tablesize = ARCMSR_MAX_SG_ENTRIES;
host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */
host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
host->this_id = ARCMSR_SCSI_INITIATOR_ID;
host->unique_id = (bus << 8) | dev_fun;
host->irq = pdev->irq;
pci_set_drvdata(pdev, host);
pci_set_master(pdev);
error = pci_request_regions(pdev, "arcmsr");
if (error) {
goto out_host_put;
goto scsi_host_release;
}
arcmsr_define_adapter_type(acb);
spin_lock_init(&acb->eh_lock);
spin_lock_init(&acb->ccblist_lock);
acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
ACB_F_MESSAGE_RQBUFFER_CLEARED |
ACB_F_MESSAGE_WQBUFFER_READED);
acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
INIT_LIST_HEAD(&acb->ccb_free_list);
INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
arcmsr_define_adapter_type(acb);
error = arcmsr_remap_pciregion(acb);
if (!error) {
goto pci_release_regs;
}
error = arcmsr_get_firmware_spec(acb);
if (!error) {
goto unmap_pci_region;
}
error = arcmsr_alloc_ccb_pool(acb);
if (error)
goto out_release_regions;
if (error) {
goto free_hbb_mu;
}
arcmsr_iop_init(acb);
error = request_irq(pdev->irq, arcmsr_do_interrupt,
IRQF_SHARED, "arcmsr", acb);
if (error)
goto out_free_ccb_pool;
pci_set_drvdata(pdev, host);
if (strncmp(acb->firm_version, "V1.42", 5) >= 0)
host->max_sectors= ARCMSR_MAX_XFER_SECTORS_B;
error = scsi_add_host(host, &pdev->dev);
if (error)
goto out_free_irq;
error = arcmsr_alloc_sysfs_attr(acb);
if (error)
goto out_free_sysfs;
if (error) {
goto RAID_controller_stop;
}
error = request_irq(pdev->irq, arcmsr_do_interrupt, IRQF_SHARED, "arcmsr", acb);
if (error) {
goto scsi_host_remove;
}
host->irq = pdev->irq;
scsi_scan_host(host);
#ifdef CONFIG_SCSI_ARCMSR_AER
pci_enable_pcie_error_reporting(pdev);
#endif
INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
atomic_set(&acb->rq_map_token, 16);
acb->fw_state = true;
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(10*HZ);
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);
if (arcmsr_alloc_sysfs_attr(acb))
goto out_free_sysfs;
return 0;
out_free_sysfs:
out_free_irq:
free_irq(pdev->irq, acb);
out_free_ccb_pool:
scsi_host_remove:
scsi_remove_host(host);
RAID_controller_stop:
arcmsr_stop_adapter_bgrb(acb);
arcmsr_flush_adapter_cache(acb);
arcmsr_free_ccb_pool(acb);
out_release_regions:
free_hbb_mu:
arcmsr_free_mu(acb);
unmap_pci_region:
arcmsr_unmap_pciregion(acb);
pci_release_regs:
pci_release_regions(pdev);
out_host_put:
scsi_host_release:
scsi_host_put(host);
out_disable_device:
pci_disable_dev:
pci_disable_device(pdev);
out:
return error;
}
static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
uint32_t Index;
uint8_t Retries = 0x00;
do {
for (Index = 0; Index < 100; Index++) {
if (readl(&reg->outbound_intstatus) &
ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT,
&reg->outbound_intstatus);
return 0x00;
}
msleep(10);
}/*max 1 seconds*/
} while (Retries++ < 20);/*max 20 sec*/
return 0xff;
}
static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
uint32_t Index;
uint8_t Retries = 0x00;
do {
for (Index = 0; Index < 100; Index++) {
if (readl(reg->iop2drv_doorbell_reg)
& ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN
, reg->iop2drv_doorbell_reg);
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg);
return 0x00;
}
msleep(10);
}/*max 1 seconds*/
} while (Retries++ < 20);/*max 20 sec*/
return 0xff;
return -ENODEV;
}
static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
......@@ -616,7 +693,7 @@ static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell_reg);
writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE
"arcmsr%d: wait 'abort all outstanding command' timeout \n"
......@@ -642,76 +719,41 @@ static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
return rtnval;
}
static bool arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb)
{
struct MessageUnit_B *reg = pacb->pmuB;
writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(pacb)) {
printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no);
return false;
}
return true;
}
static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
{
struct scsi_cmnd *pcmd = ccb->pcmd;
scsi_dma_unmap(pcmd);
}
}
static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag)
static void arcmsr_ccb_complete(struct CommandControlBlock *ccb)
{
struct AdapterControlBlock *acb = ccb->acb;
struct scsi_cmnd *pcmd = ccb->pcmd;
unsigned long flags;
atomic_dec(&acb->ccboutstandingcount);
arcmsr_pci_unmap_dma(ccb);
if (stand_flag == 1)
atomic_dec(&acb->ccboutstandingcount);
ccb->startdone = ARCMSR_CCB_DONE;
ccb->ccb_flags = 0;
spin_lock_irqsave(&acb->ccblist_lock, flags);
list_add_tail(&ccb->list, &acb->ccb_free_list);
spin_unlock_irqrestore(&acb->ccblist_lock, flags);
pcmd->scsi_done(pcmd);
}
static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
int retry_count = 30;
writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
do {
if (!arcmsr_hba_wait_msgint_ready(acb))
break;
else {
retry_count--;
printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
timeout, retry count down = %d \n", acb->host->host_no, retry_count);
}
} while (retry_count != 0);
}
static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
int retry_count = 30;
writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell_reg);
do {
if (!arcmsr_hbb_wait_msgint_ready(acb))
break;
else {
retry_count--;
printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
timeout,retry count down = %d \n", acb->host->host_no, retry_count);
}
} while (retry_count != 0);
}
static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_flush_hba_cache(acb);
}
break;
case ACB_ADAPTER_TYPE_B: {
arcmsr_flush_hbb_cache(acb);
}
}
}
static void arcmsr_report_sense_info(struct CommandControlBlock *ccb)
{
......@@ -745,15 +787,15 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B : {
struct MessageUnit_B *reg = acb->pmuB;
orig_mask = readl(reg->iop2drv_doorbell_mask_reg);
writel(0, reg->iop2drv_doorbell_mask_reg);
orig_mask = readl(reg->iop2drv_doorbell_mask);
writel(0, reg->iop2drv_doorbell_mask);
}
break;
}
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)
{
......@@ -764,13 +806,13 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, \
if (acb->devstate[id][lun] == ARECA_RAID_GONE)
acb->devstate[id][lun] = ARECA_RAID_GOOD;
ccb->pcmd->result = DID_OK << 16;
arcmsr_ccb_complete(ccb, 1);
arcmsr_ccb_complete(ccb);
} else {
switch (ccb->arcmsr_cdb.DeviceStatus) {
case ARCMSR_DEV_SELECT_TIMEOUT: {
acb->devstate[id][lun] = ARECA_RAID_GONE;
ccb->pcmd->result = DID_NO_CONNECT << 16;
arcmsr_ccb_complete(ccb, 1);
arcmsr_ccb_complete(ccb);
}
break;
......@@ -779,14 +821,14 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, \
case ARCMSR_DEV_INIT_FAIL: {
acb->devstate[id][lun] = ARECA_RAID_GONE;
ccb->pcmd->result = DID_BAD_TARGET << 16;
arcmsr_ccb_complete(ccb, 1);
arcmsr_ccb_complete(ccb);
}
break;
case ARCMSR_DEV_CHECK_CONDITION: {
acb->devstate[id][lun] = ARECA_RAID_GOOD;
arcmsr_report_sense_info(ccb);
arcmsr_ccb_complete(ccb, 1);
arcmsr_ccb_complete(ccb);
}
break;
......@@ -801,7 +843,7 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, \
, ccb->arcmsr_cdb.DeviceStatus);
acb->devstate[id][lun] = ARECA_RAID_GONE;
ccb->pcmd->result = DID_NO_CONNECT << 16;
arcmsr_ccb_complete(ccb, 1);
arcmsr_ccb_complete(ccb);
break;
}
}
......@@ -811,14 +853,19 @@ static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t fla
{
struct CommandControlBlock *ccb;
struct ARCMSR_CDB *arcmsr_cdb;
int id, lun;
ccb = (struct CommandControlBlock *)(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);
if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
if (ccb->startdone == ARCMSR_CCB_ABORTED) {
struct scsi_cmnd *abortcmd = ccb->pcmd;
if (abortcmd) {
id = abortcmd->device->id;
lun = abortcmd->device->lun;
abortcmd->result |= DID_ABORT << 16;
arcmsr_ccb_complete(ccb, 1);
arcmsr_ccb_complete(ccb);
printk(KERN_NOTICE "arcmsr%d: ccb ='0x%p' \
isr got aborted command \n", acb->host->host_no, ccb);
}
......@@ -883,6 +930,7 @@ static void arcmsr_remove(struct pci_dev *pdev)
int poll_count = 0;
arcmsr_free_sysfs_attr(acb);
scsi_remove_host(host);
scsi_host_put(host);
flush_scheduled_work();
del_timer_sync(&acb->eternal_timer);
arcmsr_disable_outbound_ints(acb);
......@@ -908,17 +956,14 @@ static void arcmsr_remove(struct pci_dev *pdev)
if (ccb->startdone == ARCMSR_CCB_START) {
ccb->startdone = ARCMSR_CCB_ABORTED;
ccb->pcmd->result = DID_ABORT << 16;
arcmsr_ccb_complete(ccb, 1);
arcmsr_ccb_complete(ccb);
}
}
}
free_irq(pdev->irq, acb);
arcmsr_free_ccb_pool(acb);
arcmsr_free_mu(acb);
pci_release_regions(pdev);
scsi_host_put(host);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
}
......@@ -973,7 +1018,7 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
ARCMSR_IOP2DRV_DATA_READ_OK |
ARCMSR_IOP2DRV_CDB_DONE |
ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
writel(mask, reg->iop2drv_doorbell_mask_reg);
writel(mask, reg->iop2drv_doorbell_mask);
acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
}
}
......@@ -986,6 +1031,9 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb,
int8_t *psge = (int8_t *)&arcmsr_cdb->u;
__le32 address_lo, address_hi;
int arccdbsize = 0x30;
__le32 length = 0;
int i, cdb_sgcount = 0;
struct scatterlist *sg;
int nseg;
ccb->pcmd = pcmd;
......@@ -995,19 +1043,12 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb,
arcmsr_cdb->LUN = pcmd->device->lun;
arcmsr_cdb->Function = 1;
arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len;
arcmsr_cdb->Context = (unsigned long)arcmsr_cdb;
arcmsr_cdb->Context = 0;
memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
nseg = scsi_dma_map(pcmd);
if (nseg > ARCMSR_MAX_SG_ENTRIES)
if (nseg > acb->host->sg_tablesize || nseg < 0)
return FAILED;
BUG_ON(nseg < 0);
if (nseg) {
__le32 length;
int i, cdb_sgcount = 0;
struct scatterlist *sg;
/* map stor port SG list to our iop SG List. */
scsi_for_each_sg(pcmd, sg, nseg, i) {
/* Get the physical address of the current data pointer */
......@@ -1034,10 +1075,10 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb,
}
arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount;
arcmsr_cdb->DataLength = scsi_bufflen(pcmd);
arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0);
if ( arccdbsize > 256)
arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
}
if (pcmd->sc_data_direction == DMA_TO_DEVICE ) {
if (pcmd->cmnd[0]|WRITE_6 || pcmd->cmnd[0] | WRITE_10 || pcmd->cmnd[0]|WRITE_12) {
arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
ccb->ccb_flags |= CCB_FLAG_WRITE;
}
......@@ -1046,7 +1087,7 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb,
static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb)
{
uint32_t cdb_shifted_phyaddr = ccb->cdb_shifted_phyaddr;
uint32_t shifted_cdb_phyaddr = ccb->shifted_cdb_phyaddr;
struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
atomic_inc(&acb->ccboutstandingcount);
ccb->startdone = ARCMSR_CCB_START;
......@@ -1056,10 +1097,10 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr
struct MessageUnit_A __iomem *reg = acb->pmuA;
if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE)
writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
writel(shifted_cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
&reg->inbound_queueport);
else {
writel(cdb_shifted_phyaddr, &reg->inbound_queueport);
writel(shifted_cdb_phyaddr, &reg->inbound_queueport);
}
}
break;
......@@ -1071,16 +1112,16 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr
ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE);
writel(0, &reg->post_qbuffer[ending_index]);
if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\
writel(shifted_cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\
&reg->post_qbuffer[index]);
}
else {
writel(cdb_shifted_phyaddr, &reg->post_qbuffer[index]);
writel(shifted_cdb_phyaddr, &reg->post_qbuffer[index]);
}
index++;
index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */
reg->postq_index = index;
writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell_reg);
writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell);
}
break;
}
......@@ -1103,7 +1144,7 @@ static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell_reg);
writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE
......@@ -1131,23 +1172,14 @@ 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);
iounmap(acb->pmuA);
dma_free_coherent(&acb->pdev->dev,
ARCMSR_MAX_FREECCB_NUM * sizeof (struct CommandControlBlock) + 0x20,
acb->dma_coherent,
acb->dma_coherent_handle);
break;
}
break;
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
iounmap((u8 *)reg->drv2iop_doorbell_reg - ARCMSR_DRV2IOP_DOORBELL);
iounmap((u8 *)reg->ioctl_wbuffer_reg - ARCMSR_IOCTL_WBUFFER);
dma_free_coherent(&acb->pdev->dev,
(ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock) + 0x20 +
sizeof(struct MessageUnit_B)), acb->dma_coherent, acb->dma_coherent_handle);
dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle);
}
}
}
void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
......@@ -1161,7 +1193,7 @@ void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell_reg);
writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
}
break;
}
......@@ -1186,7 +1218,7 @@ static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
** push inbound doorbell tell iop, driver data write ok
** and wait reply on next hwinterrupt for next Qbuffer post
*/
writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell_reg);
writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell);
}
break;
}
......@@ -1206,7 +1238,7 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
qbuffer = (struct QBUFFER __iomem *)reg->ioctl_rbuffer_reg;
qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
}
break;
}
......@@ -1227,7 +1259,7 @@ static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBloc
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
pqbuffer = (struct QBUFFER __iomem *)reg->ioctl_wbuffer_reg;
pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer;
}
break;
}
......@@ -1362,7 +1394,7 @@ static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb)
struct MessageUnit_B *reg = acb->pmuB;
/*clear interrupt and message state*/
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg);
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
schedule_work(&acb->arcmsr_do_message_isr_bh);
}
static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
......@@ -1394,16 +1426,16 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb)
uint32_t outbound_doorbell;
struct MessageUnit_B *reg = acb->pmuB;
outbound_doorbell = readl(reg->iop2drv_doorbell_reg) &
outbound_doorbell = readl(reg->iop2drv_doorbell) &
acb->outbound_int_enable;
if (!outbound_doorbell)
return 1;
writel(~outbound_doorbell, reg->iop2drv_doorbell_reg);
writel(~outbound_doorbell, reg->iop2drv_doorbell);
/*in case the last action of doorbell interrupt clearance is cached,
this action can push HW to write down the clear bit*/
readl(reg->iop2drv_doorbell_reg);
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg);
readl(reg->iop2drv_doorbell);
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) {
arcmsr_iop2drv_data_wrote_handle(acb);
}
......@@ -1523,12 +1555,6 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
goto message_out;
}
if (!acb->fw_state) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
}
ptmpQbuffer = ver_addr;
while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
&& (allxfer_len < 1031)) {
......@@ -1560,7 +1586,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
}
memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len);
pcmdmessagefld->cmdmessage.Length = allxfer_len;
if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} else {
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
}
kfree(ver_addr);
}
break;
......@@ -1575,12 +1605,13 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
if (!acb->fw_state) {
if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
} else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
ptmpuserbuffer = ver_addr;
user_len = pcmdmessagefld->cmdmessage.Length;
memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len);
......@@ -1633,12 +1664,6 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
uint8_t *pQbuffer = acb->rqbuffer;
if (!acb->fw_state) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
}
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
......@@ -1647,16 +1672,24 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
acb->rqbuf_firstindex = 0;
acb->rqbuf_lastindex = 0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
}
break;
case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
uint8_t *pQbuffer = acb->wqbuffer;
if (!acb->fw_state) {
if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
} else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
......@@ -1669,18 +1702,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
acb->wqbuf_firstindex = 0;
acb->wqbuf_lastindex = 0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
break;
case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
uint8_t *pQbuffer;
if (!acb->fw_state) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
}
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
......@@ -1698,47 +1724,52 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
memset(pQbuffer, 0, sizeof(struct QBUFFER));
pQbuffer = acb->wqbuffer;
memset(pQbuffer, 0, sizeof(struct QBUFFER));
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
} else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
}
break;
case ARCMSR_MESSAGE_RETURN_CODE_3F: {
if (!acb->fw_state) {
if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
}
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F;
} else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_3F;
}
break;
}
case ARCMSR_MESSAGE_SAY_HELLO: {
int8_t *hello_string = "Hello! I am ARCMSR";
if (!acb->fw_state) {
if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
} else {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
memcpy(pcmdmessagefld->messagedatabuffer, hello_string
, (int16_t)strlen(hello_string));
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
}
break;
case ARCMSR_MESSAGE_SAY_GOODBYE:
if (!acb->fw_state) {
if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
}
arcmsr_iop_parking(acb);
break;
case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE:
if (!acb->fw_state) {
if (acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
}
arcmsr_flush_adapter_cache(acb);
break;
......@@ -1756,11 +1787,16 @@ static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock
{
struct list_head *head = &acb->ccb_free_list;
struct CommandControlBlock *ccb = NULL;
unsigned long flags;
spin_lock_irqsave(&acb->ccblist_lock, flags);
if (!list_empty(head)) {
ccb = list_entry(head->next, struct CommandControlBlock, list);
list_del(head->next);
list_del_init(&ccb->list);
} else {
spin_unlock_irqrestore(&acb->ccblist_lock, flags);
return 0;
}
spin_unlock_irqrestore(&acb->ccblist_lock, flags);
return ccb;
}
......@@ -1835,66 +1871,12 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
return 0;
}
if (acb->acb_flags & ACB_F_BUS_RESET) {
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
uint32_t intmask_org, outbound_doorbell;
if ((readl(&reg->outbound_msgaddr1) &
ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
printk(KERN_NOTICE "arcmsr%d: bus reset and return busy\n",
acb->host->host_no);
return SCSI_MLQUEUE_HOST_BUSY;
}
acb->acb_flags &= ~ACB_F_FIRMWARE_TRAP;
printk(KERN_NOTICE "arcmsr%d: hardware bus reset and reset ok\n",
acb->host->host_no);
/* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb);
arcmsr_get_firmware_spec(acb, 1);
/*start background rebuild*/
arcmsr_start_adapter_bgrb(acb);
/* clear Qbuffer if door bell ringed */
outbound_doorbell = readl(&reg->outbound_doorbell);
/*clear interrupt */
writel(outbound_doorbell, &reg->outbound_doorbell);
writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
&reg->inbound_doorbell);
/* enable outbound Post Queue,outbound doorbell Interrupt */
arcmsr_enable_outbound_ints(acb, intmask_org);
acb->acb_flags |= ACB_F_IOP_INITED;
acb->acb_flags &= ~ACB_F_BUS_RESET;
}
break;
case ACB_ADAPTER_TYPE_B: {
}
}
}
if (target == 16) {
/* virtual device for iop message transfer */
arcmsr_handle_virtual_command(acb, cmd);
return 0;
}
if (acb->devstate[target][lun] == ARECA_RAID_GONE) {
uint8_t block_cmd;
block_cmd = cmd->cmnd[0] & 0x0f;
if (block_cmd == 0x08 || block_cmd == 0x0a) {
printk(KERN_NOTICE
"arcmsr%d: block 'read/write'"
"command with gone raid volume"
" Cmd = %2x, TargetId = %d, Lun = %d \n"
, acb->host->host_no
, cmd->cmnd[0]
, target, lun);
cmd->result = (DID_NO_CONNECT << 16);
cmd->scsi_done(cmd);
return 0;
}
}
if (atomic_read(&acb->ccboutstandingcount) >=
ARCMSR_MAX_OUTSTANDING_CMD)
return SCSI_MLQUEUE_HOST_BUSY;
......@@ -1911,7 +1893,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
return 0;
}
static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode)
static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
char *acb_firm_model = acb->firm_model;
......@@ -1926,10 +1908,8 @@ static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode)
if (arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
miscellaneous data' timeout \n", acb->host->host_no);
return NULL;
return false;
}
if (mode == 1) {
count = 8;
while (count) {
*acb_firm_model = readb(iop_firm_model);
......@@ -1953,53 +1933,68 @@ static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode)
iop_device_map++;
count--;
}
printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n"
, acb->host->host_no
, acb->firm_version);
printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
acb->host->host_no,
acb->firm_version,
acb->firm_model);
acb->signature = readl(&reg->message_rwbuffer[0]);
acb->firm_request_len = readl(&reg->message_rwbuffer[1]);
acb->firm_numbers_queue = readl(&reg->message_rwbuffer[2]);
acb->firm_sdram_size = readl(&reg->message_rwbuffer[3]);
acb->firm_hd_channels = readl(&reg->message_rwbuffer[4]);
acb->firm_cfg_version = readl(&reg->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
return true;
}
return reg->message_rwbuffer;
}
static void __iomem *arcmsr_get_hbb_config(struct AdapterControlBlock *acb, int mode)
static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
uint32_t __iomem *lrwbuffer = reg->msgcode_rwbuffer_reg;
struct pci_dev *pdev = acb->pdev;
void *dma_coherent;
dma_addr_t dma_coherent_handle;
char *acb_firm_model = acb->firm_model;
char *acb_firm_version = acb->firm_version;
char *acb_device_map = acb->device_map;
char __iomem *iop_firm_model = (char __iomem *)(&lrwbuffer[15]);
char __iomem *iop_firm_model;
/*firm_model,15,60-67*/
char __iomem *iop_firm_version = (char __iomem *)(&lrwbuffer[17]);
char __iomem *iop_firm_version;
/*firm_version,17,68-83*/
char __iomem *iop_device_map = (char __iomem *) (&lrwbuffer[21]);
char __iomem *iop_device_map;
/*firm_version,21,84-99*/
int count;
writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg);
dma_coherent = dma_alloc_coherent(&pdev->dev, sizeof(struct MessageUnit_B), &dma_coherent_handle, GFP_KERNEL);
if (!dma_coherent) {
printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error for hbb mu\n", acb->host->host_no);
return false;
}
acb->dma_coherent_handle_hbb_mu = dma_coherent_handle;
reg = (struct MessageUnit_B *)dma_coherent;
acb->pmuB = reg;
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->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->message_wbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_WBUFFER);
reg->message_rbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RBUFFER);
reg->message_rwbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RWBUFFER);
iop_firm_model = (char __iomem *)(&reg->message_rwbuffer[15]); /*firm_model,15,60-67*/
iop_firm_version = (char __iomem *)(&reg->message_rwbuffer[17]); /*firm_version,17,68-83*/
iop_device_map = (char __iomem *)(&reg->message_rwbuffer[21]); /*firm_version,21,84-99*/
writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
miscellaneous data' timeout \n", acb->host->host_no);
return NULL;
return false;
}
if (mode == 1) {
count = 8;
while (count)
{
while (count) {
*acb_firm_model = readb(iop_firm_model);
acb_firm_model++;
iop_firm_model++;
count--;
}
count = 16;
while (count)
{
while (count) {
*acb_firm_version = readb(iop_firm_version);
acb_firm_version++;
iop_firm_version++;
......@@ -2014,46 +2009,41 @@ static void __iomem *arcmsr_get_hbb_config(struct AdapterControlBlock *acb, int
count--;
}
printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n",
printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
acb->host->host_no,
acb->firm_version);
acb->firm_version,
acb->firm_model);
acb->signature = readl(lrwbuffer++);
acb->signature = readl(&reg->message_rwbuffer[1]);
/*firm_signature,1,00-03*/
acb->firm_request_len = readl(lrwbuffer++);
acb->firm_request_len = readl(&reg->message_rwbuffer[2]);
/*firm_request_len,1,04-07*/
acb->firm_numbers_queue = readl(lrwbuffer++);
acb->firm_numbers_queue = readl(&reg->message_rwbuffer[3]);
/*firm_numbers_queue,2,08-11*/
acb->firm_sdram_size = readl(lrwbuffer++);
acb->firm_sdram_size = readl(&reg->message_rwbuffer[4]);
/*firm_sdram_size,3,12-15*/
acb->firm_hd_channels = readl(lrwbuffer);
acb->firm_hd_channels = readl(&reg->message_rwbuffer[5]);
/*firm_ide_channels,4,16-19*/
acb->firm_cfg_version = readl(&reg->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
/*firm_ide_channels,4,16-19*/
return true;
}
return reg->msgcode_rwbuffer_reg;
}
static void *arcmsr_get_firmware_spec(struct AdapterControlBlock *acb, int mode)
static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
{
void *rtnval = 0;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
rtnval = arcmsr_get_hba_config(acb, mode);
}
break;
case ACB_ADAPTER_TYPE_B: {
rtnval = arcmsr_get_hbb_config(acb, mode);
}
break;
}
return rtnval;
if (acb->adapter_type == ACB_ADAPTER_TYPE_A)
return arcmsr_get_hba_config(acb);
else
return arcmsr_get_hbb_config(acb);
}
static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
struct CommandControlBlock *ccb;
struct ARCMSR_CDB *arcmsr_cdb;
uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0;
int rtn;
polling_hba_ccb_retry:
poll_count++;
......@@ -2061,16 +2051,19 @@ static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/
while (1) {
if ((flag_ccb = readl(&reg->outbound_queueport)) == 0xFFFFFFFF) {
if (poll_ccb_done)
if (poll_ccb_done) {
rtn = SUCCESS;
break;
else {
msleep(25);
if (poll_count > 100)
} else {
if (poll_count > 100) {
rtn = FAILED;
break;
}
goto polling_hba_ccb_retry;
}
}
ccb = (struct CommandControlBlock *)(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);
poll_ccb_done = (ccb == poll_ccb) ? 1:0;
if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
......@@ -2081,8 +2074,7 @@ static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
, ccb->pcmd->device->lun
, ccb);
ccb->pcmd->result = DID_ABORT << 16;
arcmsr_ccb_complete(ccb, 1);
poll_ccb_done = 1;
arcmsr_ccb_complete(ccb);
continue;
}
printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
......@@ -2092,32 +2084,38 @@ static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
, ccb
, atomic_read(&acb->ccboutstandingcount));
continue;
}
} else {
arcmsr_report_ccb_state(acb, ccb, flag_ccb);
}
}
return rtn;
}
static void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
struct MessageUnit_B *reg = acb->pmuB;
struct ARCMSR_CDB *arcmsr_cdb;
struct CommandControlBlock *ccb;
uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0;
int index;
int index, rtn;
polling_hbb_ccb_retry:
poll_count++;
/* clear doorbell interrupt */
writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg);
writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
while (1) {
index = reg->doneq_index;
if ((flag_ccb = readl(&reg->done_qbuffer[index])) == 0) {
if (poll_ccb_done)
if (poll_ccb_done) {
rtn = SUCCESS;
break;
else {
} else {
msleep(25);
if (poll_count > 100)
if (poll_count > 100) {
rtn = FAILED;
break;
}
goto polling_hbb_ccb_retry;
}
}
......@@ -2127,19 +2125,19 @@ static void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
index %= ARCMSR_MAX_HBB_POSTQUEUE;
reg->doneq_index = index;
/* check ifcommand done with no error*/
ccb = (struct CommandControlBlock *)\
(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));
ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
poll_ccb_done = (ccb == poll_ccb) ? 1:0;
if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
printk(KERN_NOTICE "arcmsr%d: \
scsi id = %d lun = %d ccb = '0x%p' poll command abort successfully \n"
printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
" poll command abort successfully \n"
,acb->host->host_no
,ccb->pcmd->device->id
,ccb->pcmd->device->lun
,ccb);
ccb->pcmd->result = DID_ABORT << 16;
arcmsr_ccb_complete(ccb, 1);
arcmsr_ccb_complete(ccb);
continue;
}
printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
......@@ -2149,30 +2147,34 @@ static void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
, ccb
, atomic_read(&acb->ccboutstandingcount));
continue;
}
} else {
arcmsr_report_ccb_state(acb, ccb, flag_ccb);
}
} /*drain reply FIFO*/
return rtn;
}
static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
int rtn = 0;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_polling_hba_ccbdone(acb,poll_ccb);
rtn = arcmsr_polling_hba_ccbdone(acb, poll_ccb);
}
break;
case ACB_ADAPTER_TYPE_B: {
arcmsr_polling_hbb_ccbdone(acb,poll_ccb);
rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb);
}
}
return rtn;
}
static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
{
uint32_t cdb_phyaddr, ccb_phyaddr_hi32;
uint32_t cdb_phyaddr, cdb_phyaddr_hi32;
dma_addr_t dma_coherent_handle;
/*
********************************************************************
......@@ -2182,7 +2184,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
*/
dma_coherent_handle = acb->dma_coherent_handle;
cdb_phyaddr = (uint32_t)(dma_coherent_handle);
ccb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
/*
***********************************************************************
** if adapter type B, set window of "post command Q"
......@@ -2191,13 +2193,13 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
if (ccb_phyaddr_hi32 != 0) {
if (cdb_phyaddr_hi32 != 0) {
struct MessageUnit_A __iomem *reg = acb->pmuA;
uint32_t intmask_org;
intmask_org = arcmsr_disable_outbound_ints(acb);
writel(ARCMSR_SIGNATURE_SET_CONFIG, \
&reg->message_rwbuffer[0]);
writel(ccb_phyaddr_hi32, &reg->message_rwbuffer[1]);
writel(cdb_phyaddr_hi32, &reg->message_rwbuffer[1]);
writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \
&reg->inbound_msgaddr0);
if (arcmsr_hba_wait_msgint_ready(acb)) {
......@@ -2220,19 +2222,18 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
intmask_org = arcmsr_disable_outbound_ints(acb);
reg->postq_index = 0;
reg->doneq_index = 0;
writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell_reg);
writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \
acb->host->host_no);
return 1;
}
post_queue_phyaddr = cdb_phyaddr + ARCMSR_MAX_FREECCB_NUM * \
sizeof(struct CommandControlBlock) + offsetof(struct MessageUnit_B, post_qbuffer) ;
rwbuffer = reg->msgcode_rwbuffer_reg;
post_queue_phyaddr = acb->dma_coherent_handle_hbb_mu;
rwbuffer = reg->message_rwbuffer;
/* driver "set config" signature */
writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
/* normal should be zero */
writel(ccb_phyaddr_hi32, rwbuffer++);
writel(cdb_phyaddr_hi32, rwbuffer++);
/* postQ size (256 + 8)*4 */
writel(post_queue_phyaddr, rwbuffer++);
/* doneQ size (256 + 8)*4 */
......@@ -2240,19 +2241,13 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
/* ccb maxQ size must be --> [(256 + 8)*4]*/
writel(1056, rwbuffer);
writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell_reg);
writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
timeout \n",acb->host->host_no);
return 1;
}
writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell_reg);
if (arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: 'can not set diver mode \n"\
,acb->host->host_no);
return 1;
}
arcmsr_hbb_enable_driver_mode(acb);
arcmsr_enable_outbound_ints(acb, intmask_org);
}
break;
......@@ -2277,9 +2272,9 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
do {
firmware_state = readl(reg->iop2drv_doorbell_reg);
firmware_state = readl(reg->iop2drv_doorbell);
} while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0);
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg);
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
}
break;
}
......@@ -2288,22 +2283,19 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
if (unlikely(atomic_read(&acb->rq_map_token) == 0)) {
acb->fw_state = false;
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 {
/*to prevent rq_map_token from changing by other interrupt, then
avoid the dead-lock*/
acb->fw_state = true;
atomic_dec(&acb->rq_map_token);
if (!(acb->fw_state) ||
(acb->ante_token_value == atomic_read(&acb->rq_map_token))) {
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);
}
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))
return;
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(6000));
return;
}
......@@ -2311,21 +2303,19 @@ static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb)
{
struct MessageUnit_B __iomem *reg = acb->pmuB;
if (unlikely(atomic_read(&acb->rq_map_token) == 0)) {
acb->fw_state = false;
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 {
/*to prevent rq_map_token from changing by other interrupt, then
avoid the dead-lock*/
acb->fw_state = true;
atomic_dec(&acb->rq_map_token);
if (!(acb->fw_state) ||
(acb->ante_token_value == atomic_read(&acb->rq_map_token))) {
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);
}
acb->ante_token_value = atomic_read(&acb->rq_map_token);
writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg);
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));
}
mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6000));
return;
}
......@@ -2360,7 +2350,7 @@ static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
acb->acb_flags |= ACB_F_MSG_START_BGRB;
writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell_reg);
writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell);
if (arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
rebulid' timeout \n",acb->host->host_no);
......@@ -2396,8 +2386,8 @@ static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
/*clear interrupt and message state*/
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg);
writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell_reg);
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
/* let IOP know data has been read */
}
break;
......@@ -2412,7 +2402,7 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B:
{
struct MessageUnit_B *reg = acb->pmuB;
writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell_reg);
writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell);
if(arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT");
return;
......@@ -2427,13 +2417,19 @@ static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
{
uint8_t value[64];
int i;
struct MessageUnit_A __iomem *reg = acb->pmuA;
/* backup pci config data */
printk(KERN_ERR "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no);
for (i = 0; i < 64; i++) {
pci_read_config_byte(acb->pdev, i, &value[i]);
}
/* hardware reset signal */
if ((acb->dev_id == 0x1680)) {
writel(ARCMSR_ARC1680_BUS_RESET, &reg->reserved1[0]);
} else {
pci_write_config_byte(acb->pdev, 0x84, 0x20);
}
msleep(1000);
/* write back pci config data */
for (i = 0; i < 64; i++) {
......@@ -2446,37 +2442,25 @@ static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
****************************************************************************
****************************************************************************
*/
#ifdef CONFIG_SCSI_ARCMSR_RESET
int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd)
{
struct Scsi_Host *shost = NULL;
spinlock_t *host_lock = NULL;
int i, isleep;
shost = cmd->device->host;
host_lock = shost->host_lock;
printk(KERN_NOTICE "Host %d bus reset over, sleep %d seconds (busy %d, can queue %d) ...........\n",
shost->host_no, sleeptime, shost->host_busy, shost->can_queue);
isleep = sleeptime / 10;
spin_unlock_irq(host_lock);
if (isleep > 0) {
for (i = 0; i < isleep; i++) {
msleep(10000);
printk(KERN_NOTICE "^%d^\n", i);
}
}
isleep = sleeptime % 10;
if (isleep > 0) {
msleep(isleep * 1000);
printk(KERN_NOTICE "^v^\n");
}
spin_lock_irq(host_lock);
printk(KERN_NOTICE "***** wake up *****\n");
return 0;
}
#endif
static void arcmsr_iop_init(struct AdapterControlBlock *acb)
{
uint32_t intmask_org;
......@@ -2485,7 +2469,6 @@ static void arcmsr_iop_init(struct AdapterControlBlock *acb)
intmask_org = arcmsr_disable_outbound_ints(acb);
arcmsr_wait_firmware_ready(acb);
arcmsr_iop_confirm(acb);
arcmsr_get_firmware_spec(acb, 1);
/*start background rebuild*/
arcmsr_start_adapter_bgrb(acb);
/* empty doorbell Qbuffer if door bell ringed */
......@@ -2508,14 +2491,12 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
intmask_org = arcmsr_disable_outbound_ints(acb);
/* talk to iop 331 outstanding command aborted */
rtnval = arcmsr_abort_allcmd(acb);
/* wait for 3 sec for all command aborted*/
ssleep(3);
/* clear all outbound posted Q */
arcmsr_done4abort_postqueue(acb);
for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
ccb = acb->pccb_pool[i];
if (ccb->startdone == ARCMSR_CCB_START) {
arcmsr_ccb_complete(ccb, 1);
arcmsr_ccb_complete(ccb);
}
}
atomic_set(&acb->ccboutstandingcount, 0);
......@@ -2530,54 +2511,49 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
{
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *)cmd->device->host->hostdata;
int retry = 0;
if (acb->acb_flags & ACB_F_BUS_RESET)
return SUCCESS;
uint32_t intmask_org, outbound_doorbell;
int retry_count = 0;
int rtn = FAILED;
printk(KERN_NOTICE "arcmsr%d: bus reset ..... \n", acb->adapter_index);
acb->acb_flags |= ACB_F_BUS_RESET;
acb = (struct AdapterControlBlock *) cmd->device->host->hostdata;
printk(KERN_ERR "arcmsr: executing eh bus reset .....num_resets = %d, \
num_aborts = %d \n", acb->num_resets, acb->num_aborts);
acb->num_resets++;
while (atomic_read(&acb->ccboutstandingcount) != 0 && retry < 4) {
arcmsr_interrupt(acb);
retry++;
}
if (arcmsr_iop_reset(acb)) {
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
printk(KERN_NOTICE "arcmsr%d: do hardware bus reset, num_resets = %d num_aborts = %d \n",
acb->adapter_index, acb->num_resets, acb->num_aborts);
if (acb->acb_flags & ACB_F_BUS_RESET) {
long timeout;
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_A __iomem *reg;
reg = acb->pmuA;
arcmsr_hardware_reset(acb);
acb->acb_flags |= ACB_F_FIRMWARE_TRAP;
acb->acb_flags &= ~ACB_F_IOP_INITED;
#ifdef CONFIG_SCSI_ARCMSR_RESET
struct MessageUnit_A __iomem *reg = acb->pmuA;
uint32_t intmask_org, outbound_doorbell;
int retry_count = 0;
sleep_again:
arcmsr_sleep_for_bus_reset(cmd);
if ((readl(&reg->outbound_msgaddr1) &
ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
printk(KERN_NOTICE "arcmsr%d: hardware bus reset and return busy, retry=%d \n",
acb->host->host_no, retry_count);
if ((readl(&reg->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 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) {
printk(KERN_NOTICE "arcmsr%d: hardware bus reset and return busy, retry aborted \n",
acb->host->host_no);
return SUCCESS;
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_again;
}
acb->acb_flags &= ~ACB_F_FIRMWARE_TRAP;
acb->acb_flags |= ACB_F_IOP_INITED;
acb->acb_flags &= ~ACB_F_BUS_RESET;
printk(KERN_NOTICE "arcmsr%d: hardware bus reset and reset ok \n",
acb->host->host_no);
/* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb);
arcmsr_get_firmware_spec(acb, 1);
/*start background rebuild*/
arcmsr_get_firmware_spec(acb);
arcmsr_start_adapter_bgrb(acb);
/* clear Qbuffer if door bell ringed */
outbound_doorbell = readl(&reg->outbound_doorbell);
......@@ -2586,38 +2562,74 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
/* 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 eh bus reset succeeds\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(20*HZ);
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);
#endif
} 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));
}
break;
case ACB_ADAPTER_TYPE_B: {
rtn = SUCCESS;
}
break;
}
case ACB_ADAPTER_TYPE_B:{
acb->acb_flags |= ACB_F_BUS_RESET;
if (arcmsr_iop_reset(acb)) {
acb->acb_flags &= ~ACB_F_BUS_RESET;
rtn = FAILED;
} 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;
}
return SUCCESS;
}
}
return rtn;
}
static void arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
struct CommandControlBlock *ccb)
{
u32 intmask;
ccb->startdone = ARCMSR_CCB_ABORTED;
/*
** Wait for 3 sec for all command done.
*/
ssleep(3);
intmask = arcmsr_disable_outbound_ints(acb);
arcmsr_polling_ccbdone(acb, ccb);
arcmsr_enable_outbound_ints(acb, intmask);
int rtn;
spin_lock_irq(&acb->eh_lock);
rtn = arcmsr_polling_ccbdone(acb, ccb);
spin_unlock_irq(&acb->eh_lock);
return rtn;
}
static int arcmsr_abort(struct scsi_cmnd *cmd)
......@@ -2625,10 +2637,12 @@ static int arcmsr_abort(struct scsi_cmnd *cmd)
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *)cmd->device->host->hostdata;
int i = 0;
int rtn = FAILED;
printk(KERN_NOTICE
"arcmsr%d: abort device command of scsi id = %d lun = %d \n",
acb->host->host_no, cmd->device->id, cmd->device->lun);
acb->acb_flags |= ACB_F_ABORT;
acb->num_aborts++;
/*
************************************************
......@@ -2637,17 +2651,18 @@ static int arcmsr_abort(struct scsi_cmnd *cmd)
************************************************
*/
if (!atomic_read(&acb->ccboutstandingcount))
return SUCCESS;
return rtn;
for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
struct CommandControlBlock *ccb = acb->pccb_pool[i];
if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) {
arcmsr_abort_one_cmd(acb, ccb);
ccb->startdone = ARCMSR_CCB_ABORTED;
rtn = arcmsr_abort_one_cmd(acb, ccb);
break;
}
}
return SUCCESS;
acb->acb_flags &= ~ACB_F_ABORT;
return rtn;
}
static const char *arcmsr_info(struct Scsi_Host *host)
......
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