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raspberrypi-kernel
提交 e2e2400b 编写于 作者: L Linus Torvalds
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6:
  [SCSI] fix race in scsi_target_reap
  [SCSI] aacraid: Eliminate use after free
  [SCSI] arcmsr: Support HW reset for EH and polling scheme for scsi device
  [SCSI] bfa: fix system crash when reading sysfs fc_host statistics
  [SCSI] iscsi_tcp: remove sk_sleep check
  [SCSI] ipr: improve interrupt service routine performance
  [SCSI] ipr: set the data list length in the request control block
  [SCSI] ipr: fix a register read to use the correct address for 64 bit adapters
  [SCSI] ipr: include the resource path in the IOA status area structure
  [SCSI] ipr: implement fixes for 64 bit adapter support
  [SCSI] be2iscsi: correct return value in mgmt_invalidate_icds()
上级 e4ce30f3 f9e8894a
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Showing with 708 addition and 306 deletion
drivers/scsi/aacraid/commctrl.c
浏览文件 @ e2e2400b
......@@ -655,9 +655,9 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
/* Does this really need to be GFP_DMA? */
p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
if(!p) {
kfree (usg);
dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
dprintk((KERN_DEBUG "aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
usg->sg[i].count,i,usg->count));
kfree(usg);
rcode = -ENOMEM;
goto cleanup;
}
......
drivers/scsi/arcmsr/arcmsr.h
浏览文件 @ e2e2400b
......@@ -48,7 +48,7 @@ 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 2008/02/27"
#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2008/11/03"
#define ARCMSR_SCSI_INITIATOR_ID 255
#define ARCMSR_MAX_XFER_SECTORS 512
#define ARCMSR_MAX_XFER_SECTORS_B 4096
......@@ -110,6 +110,8 @@ struct CMD_MESSAGE_FIELD
#define FUNCTION_SAY_HELLO 0x0807
#define FUNCTION_SAY_GOODBYE 0x0808
#define FUNCTION_FLUSH_ADAPTER_CACHE 0x0809
#define FUNCTION_GET_FIRMWARE_STATUS 0x080A
#define FUNCTION_HARDWARE_RESET 0x080B
/* ARECA IO CONTROL CODE*/
#define ARCMSR_MESSAGE_READ_RQBUFFER \
ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
......@@ -133,6 +135,7 @@ struct CMD_MESSAGE_FIELD
#define ARCMSR_MESSAGE_RETURNCODE_OK 0x00000001
#define ARCMSR_MESSAGE_RETURNCODE_ERROR 0x00000006
#define ARCMSR_MESSAGE_RETURNCODE_3F 0x0000003F
#define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON 0x00000088
/*
*************************************************************
** structure for holding DMA address data
......@@ -341,13 +344,13 @@ struct MessageUnit_B
uint32_t done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
uint32_t postq_index;
uint32_t doneq_index;
void __iomem *drv2iop_doorbell_reg;
void __iomem *drv2iop_doorbell_mask_reg;
void __iomem *iop2drv_doorbell_reg;
void __iomem *iop2drv_doorbell_mask_reg;
void __iomem *msgcode_rwbuffer_reg;
void __iomem *ioctl_wbuffer_reg;
void __iomem *ioctl_rbuffer_reg;
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;
};
/*
......@@ -375,6 +378,7 @@ struct AdapterControlBlock
/* message unit ATU inbound base address0 */
uint32_t acb_flags;
uint8_t adapter_index;
#define ACB_F_SCSISTOPADAPTER 0x0001
#define ACB_F_MSG_STOP_BGRB 0x0002
/* stop RAID background rebuild */
......@@ -390,7 +394,7 @@ struct AdapterControlBlock
#define ACB_F_BUS_RESET 0x0080
#define ACB_F_IOP_INITED 0x0100
/* iop init */
#define ACB_F_FIRMWARE_TRAP 0x0400
struct CommandControlBlock * pccb_pool[ARCMSR_MAX_FREECCB_NUM];
/* used for memory free */
struct list_head ccb_free_list;
......@@ -423,12 +427,19 @@ struct AdapterControlBlock
#define ARECA_RAID_GOOD 0xaa
uint32_t num_resets;
uint32_t num_aborts;
uint32_t signature;
uint32_t firm_request_len;
uint32_t firm_numbers_queue;
uint32_t firm_sdram_size;
uint32_t firm_hd_channels;
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;
atomic_t rq_map_token;
int ante_token_value;
};/* HW_DEVICE_EXTENSION */
/*
*******************************************************************************
......
drivers/scsi/arcmsr/arcmsr_attr.c
浏览文件 @ e2e2400b
......@@ -192,6 +192,7 @@ static struct bin_attribute arcmsr_sysfs_message_read_attr = {
.attr = {
.name = "mu_read",
.mode = S_IRUSR ,
.owner = THIS_MODULE,
},
.size = 1032,
.read = arcmsr_sysfs_iop_message_read,
......@@ -201,6 +202,7 @@ static struct bin_attribute arcmsr_sysfs_message_write_attr = {
.attr = {
.name = "mu_write",
.mode = S_IWUSR,
.owner = THIS_MODULE,
},
.size = 1032,
.write = arcmsr_sysfs_iop_message_write,
......@@ -210,6 +212,7 @@ static struct bin_attribute arcmsr_sysfs_message_clear_attr = {
.attr = {
.name = "mu_clear",
.mode = S_IWUSR,
.owner = THIS_MODULE,
},
.size = 1,
.write = arcmsr_sysfs_iop_message_clear,
......
drivers/scsi/arcmsr/arcmsr_hba.c
浏览文件 @ e2e2400b
......@@ -72,8 +72,16 @@
#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 Adapter");
MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID Host Bus Adapter");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(ARCMSR_DRIVER_VERSION);
......@@ -96,6 +104,13 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb);
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb);
static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb);
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 void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
static const char *arcmsr_info(struct Scsi_Host *);
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
......@@ -112,7 +127,7 @@ static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
static struct scsi_host_template arcmsr_scsi_host_template = {
.module = THIS_MODULE,
.name = "ARCMSR ARECA SATA/SAS RAID HOST Adapter"
.name = "ARCMSR ARECA SATA/SAS RAID Host Bus Adapter"
ARCMSR_DRIVER_VERSION,
.info = arcmsr_info,
.queuecommand = arcmsr_queue_command,
......@@ -128,16 +143,6 @@ static struct scsi_host_template arcmsr_scsi_host_template = {
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = arcmsr_host_attrs,
};
#ifdef CONFIG_SCSI_ARCMSR_AER
static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev);
static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
pci_channel_state_t state);
static struct pci_error_handlers arcmsr_pci_error_handlers = {
.error_detected = arcmsr_pci_error_detected,
.slot_reset = arcmsr_pci_slot_reset,
};
#endif
static struct pci_device_id arcmsr_device_id_table[] = {
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120)},
......@@ -166,9 +171,6 @@ static struct pci_driver arcmsr_pci_driver = {
.probe = arcmsr_probe,
.remove = arcmsr_remove,
.shutdown = arcmsr_shutdown,
#ifdef CONFIG_SCSI_ARCMSR_AER
.err_handler = &arcmsr_pci_error_handlers,
#endif
};
static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id)
......@@ -236,10 +238,9 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
void *dma_coherent;
dma_addr_t dma_coherent_handle, dma_addr;
struct CommandControlBlock *ccb_tmp;
uint32_t intmask_org;
int i, j;
acb->pmuA = pci_ioremap_bar(pdev, 0);
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);
......@@ -281,12 +282,6 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
acb->devstate[i][j] = ARECA_RAID_GONE;
/*
** here we need to tell iop 331 our ccb_tmp.HighPart
** if ccb_tmp.HighPart is not zero
*/
intmask_org = arcmsr_disable_outbound_ints(acb);
}
break;
......@@ -297,7 +292,6 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
void __iomem *mem_base0, *mem_base1;
void *dma_coherent;
dma_addr_t dma_coherent_handle, dma_addr;
uint32_t intmask_org;
struct CommandControlBlock *ccb_tmp;
int i, j;
......@@ -333,11 +327,13 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
reg = (struct MessageUnit_B *)(dma_coherent +
ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock));
acb->pmuB = reg;
mem_base0 = pci_ioremap_bar(pdev, 0);
mem_base0 = ioremap(pci_resource_start(pdev, 0),
pci_resource_len(pdev, 0));
if (!mem_base0)
goto out;
mem_base1 = pci_ioremap_bar(pdev, 2);
mem_base1 = ioremap(pci_resource_start(pdev, 2),
pci_resource_len(pdev, 2));
if (!mem_base1) {
iounmap(mem_base0);
goto out;
......@@ -357,12 +353,6 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
acb->devstate[i][j] = ARECA_RAID_GOOD;
/*
** here we need to tell iop 331 our ccb_tmp.HighPart
** if ccb_tmp.HighPart is not zero
*/
intmask_org = arcmsr_disable_outbound_ints(acb);
}
break;
}
......@@ -374,6 +364,88 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
sizeof(struct MessageUnit_B)), acb->dma_coherent, acb->dma_coherent_handle);
return -ENOMEM;
}
static void arcmsr_message_isr_bh_fn(struct work_struct *work)
{
struct AdapterControlBlock *acb = container_of(work, struct AdapterControlBlock, arcmsr_do_message_isr_bh);
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
char *acb_dev_map = (char *)acb->device_map;
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;
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_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]);
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++;
}
}
}
}
}
static int arcmsr_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
......@@ -432,17 +504,17 @@ static int arcmsr_probe(struct pci_dev *pdev,
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);
error = arcmsr_alloc_ccb_pool(acb);
if (error)
goto out_release_regions;
arcmsr_iop_init(acb);
error = request_irq(pdev->irq, arcmsr_do_interrupt,
IRQF_SHARED, "arcmsr", acb);
if (error)
goto out_free_ccb_pool;
arcmsr_iop_init(acb);
pci_set_drvdata(pdev, host);
if (strncmp(acb->firm_version, "V1.42", 5) >= 0)
host->max_sectors= ARCMSR_MAX_XFER_SECTORS_B;
......@@ -459,6 +531,14 @@ static int arcmsr_probe(struct pci_dev *pdev,
#ifdef CONFIG_SCSI_ARCMSR_AER
pci_enable_pcie_error_reporting(pdev);
#endif
atomic_set(&acb->rq_map_token, 16);
acb->fw_state = true;
init_timer(&acb->eternal_timer);
acb->eternal_timer.expires = jiffies + msecs_to_jiffies(10*HZ);
acb->eternal_timer.data = (unsigned long) acb;
acb->eternal_timer.function = &arcmsr_request_device_map;
add_timer(&acb->eternal_timer);
return 0;
out_free_sysfs:
out_free_irq:
......@@ -518,40 +598,48 @@ static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
return 0xff;
}
static void arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
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
"arcmsr%d: wait 'abort all outstanding command' timeout \n"
, acb->host->host_no);
return 0xff;
}
return 0x00;
}
static void arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
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);
if (arcmsr_hbb_wait_msgint_ready(acb))
if (arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE
"arcmsr%d: wait 'abort all outstanding command' timeout \n"
, acb->host->host_no);
return 0xff;
}
return 0x00;
}
static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
{
uint8_t rtnval = 0;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_abort_hba_allcmd(acb);
rtnval = arcmsr_abort_hba_allcmd(acb);
}
break;
case ACB_ADAPTER_TYPE_B: {
arcmsr_abort_hbb_allcmd(acb);
rtnval = arcmsr_abort_hbb_allcmd(acb);
}
}
return rtnval;
}
static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
......@@ -649,8 +737,7 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_A : {
struct MessageUnit_A __iomem *reg = acb->pmuA;
orig_mask = readl(&reg->outbound_intmask)|\
ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE;
orig_mask = readl(&reg->outbound_intmask);
writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \
&reg->outbound_intmask);
}
......@@ -658,8 +745,7 @@ 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) & \
(~ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
orig_mask = readl(reg->iop2drv_doorbell_mask_reg);
writel(0, reg->iop2drv_doorbell_mask_reg);
}
break;
......@@ -795,12 +881,13 @@ static void arcmsr_remove(struct pci_dev *pdev)
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
int poll_count = 0;
arcmsr_free_sysfs_attr(acb);
scsi_remove_host(host);
flush_scheduled_work();
del_timer_sync(&acb->eternal_timer);
arcmsr_disable_outbound_ints(acb);
arcmsr_stop_adapter_bgrb(acb);
arcmsr_flush_adapter_cache(acb);
arcmsr_disable_outbound_ints(acb);
acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
acb->acb_flags &= ~ACB_F_IOP_INITED;
......@@ -841,7 +928,9 @@ static void arcmsr_shutdown(struct pci_dev *pdev)
struct Scsi_Host *host = pci_get_drvdata(pdev);
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *)host->hostdata;
del_timer_sync(&acb->eternal_timer);
arcmsr_disable_outbound_ints(acb);
flush_scheduled_work();
arcmsr_stop_adapter_bgrb(acb);
arcmsr_flush_adapter_cache(acb);
}
......@@ -861,7 +950,7 @@ static void arcmsr_module_exit(void)
module_init(arcmsr_module_init);
module_exit(arcmsr_module_exit);
static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, \
static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
u32 intmask_org)
{
u32 mask;
......@@ -871,7 +960,8 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, \
case ACB_ADAPTER_TYPE_A : {
struct MessageUnit_A __iomem *reg = acb->pmuA;
mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE |
ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE);
ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|
ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE);
writel(mask, &reg->outbound_intmask);
acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff;
}
......@@ -879,8 +969,10 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, \
case ACB_ADAPTER_TYPE_B : {
struct MessageUnit_B *reg = acb->pmuB;
mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK | \
ARCMSR_IOP2DRV_DATA_READ_OK | ARCMSR_IOP2DRV_CDB_DONE);
mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK |
ARCMSR_IOP2DRV_DATA_READ_OK |
ARCMSR_IOP2DRV_CDB_DONE |
ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
writel(mask, reg->iop2drv_doorbell_mask_reg);
acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
}
......@@ -1048,8 +1140,8 @@ static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
}
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
iounmap(reg->drv2iop_doorbell_reg - ARCMSR_DRV2IOP_DOORBELL);
iounmap(reg->ioctl_wbuffer_reg - ARCMSR_IOCTL_WBUFFER);
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);
......@@ -1249,13 +1341,36 @@ static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb)
reg->doneq_index = index;
}
}
/*
**********************************************************************************
** 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_hba_message_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_A *reg = acb->pmuA;
/*clear interrupt and message state*/
writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, &reg->outbound_intstatus);
schedule_work(&acb->arcmsr_do_message_isr_bh);
}
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);
schedule_work(&acb->arcmsr_do_message_isr_bh);
}
static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
{
uint32_t outbound_intstatus;
struct MessageUnit_A __iomem *reg = acb->pmuA;
outbound_intstatus = readl(&reg->outbound_intstatus) & \
outbound_intstatus = readl(&reg->outbound_intstatus) &
acb->outbound_int_enable;
if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) {
return 1;
......@@ -1267,6 +1382,10 @@ static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) {
arcmsr_hba_postqueue_isr(acb);
}
if (outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
/* messenger of "driver to iop commands" */
arcmsr_hba_message_isr(acb);
}
return 0;
}
......@@ -1275,13 +1394,14 @@ 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_reg) &
acb->outbound_int_enable;
if (!outbound_doorbell)
return 1;
writel(~outbound_doorbell, reg->iop2drv_doorbell_reg);
/*in case the last action of doorbell interrupt clearance is cached, this action can push HW to write down the clear bit*/
/*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);
if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) {
......@@ -1293,6 +1413,10 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb)
if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) {
arcmsr_hbb_postqueue_isr(acb);
}
if (outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
/* messenger of "driver to iop commands" */
arcmsr_hbb_message_isr(acb);
}
return 0;
}
......@@ -1360,7 +1484,7 @@ void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb)
}
}
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd)
{
struct CMD_MESSAGE_FIELD *pcmdmessagefld;
......@@ -1398,6 +1522,13 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
retvalue = ARCMSR_MESSAGE_FAIL;
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)) {
......@@ -1444,6 +1575,12 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
if (!acb->fw_state) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
}
ptmpuserbuffer = ver_addr;
user_len = pcmdmessagefld->cmdmessage.Length;
memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len);
......@@ -1496,6 +1633,11 @@ 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;
......@@ -1511,6 +1653,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
uint8_t *pQbuffer = acb->wqbuffer;
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;
......@@ -1529,6 +1676,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
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;
......@@ -1551,13 +1703,22 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
break;
case ARCMSR_MESSAGE_RETURN_CODE_3F: {
if (!acb->fw_state) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
}
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) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
}
memcpy(pcmdmessagefld->messagedatabuffer, hello_string
, (int16_t)strlen(hello_string));
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
......@@ -1565,10 +1726,20 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
break;
case ARCMSR_MESSAGE_SAY_GOODBYE:
if (!acb->fw_state) {
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) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
goto message_out;
}
arcmsr_flush_adapter_cache(acb);
break;
......@@ -1651,16 +1822,57 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
struct CommandControlBlock *ccb;
int target = cmd->device->id;
int lun = cmd->device->lun;
uint8_t scsicmd = cmd->cmnd[0];
cmd->scsi_done = done;
cmd->host_scribble = NULL;
cmd->result = 0;
if ((scsicmd == SYNCHRONIZE_CACHE) || (scsicmd == SEND_DIAGNOSTIC)) {
if (acb->devstate[target][lun] == ARECA_RAID_GONE) {
cmd->result = (DID_NO_CONNECT << 16);
}
cmd->scsi_done(cmd);
return 0;
}
if (acb->acb_flags & ACB_F_BUS_RESET) {
printk(KERN_NOTICE "arcmsr%d: bus reset"
" and return busy \n"
, acb->host->host_no);
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);
......@@ -1699,21 +1911,25 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
return 0;
}
static void arcmsr_get_hba_config(struct AdapterControlBlock *acb)
static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
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 *)(&reg->message_rwbuffer[15]);
char __iomem *iop_firm_version = (char __iomem *)(&reg->message_rwbuffer[17]);
char __iomem *iop_device_map = (char __iomem *) (&reg->message_rwbuffer[21]);
int count;
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
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;
}
if (mode == 1) {
count = 8;
while (count) {
*acb_firm_model = readb(iop_firm_model);
......@@ -1730,34 +1946,48 @@ static void arcmsr_get_hba_config(struct AdapterControlBlock *acb)
count--;
}
count = 16;
while (count) {
*acb_device_map = readb(iop_device_map);
acb_device_map++;
iop_device_map++;
count--;
}
printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n"
, acb->host->host_no
, acb->firm_version);
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]);
}
static void arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
return reg->message_rwbuffer;
}
static void __iomem *arcmsr_get_hbb_config(struct AdapterControlBlock *acb, int mode)
{
struct MessageUnit_B *reg = acb->pmuB;
uint32_t __iomem *lrwbuffer = reg->msgcode_rwbuffer_reg;
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]);
/*firm_model,15,60-67*/
char __iomem *iop_firm_version = (char __iomem *)(&lrwbuffer[17]);
/*firm_version,17,68-83*/
char __iomem *iop_device_map = (char __iomem *) (&lrwbuffer[21]);
/*firm_version,21,84-99*/
int count;
writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg);
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;
}
if (mode == 1) {
count = 8;
while (count)
{
......@@ -1776,11 +2006,20 @@ static void arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
count--;
}
count = 16;
while (count) {
*acb_device_map = readb(iop_device_map);
acb_device_map++;
iop_device_map++;
count--;
}
printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n",
acb->host->host_no,
acb->firm_version);
lrwbuffer++;
acb->signature = readl(lrwbuffer++);
/*firm_signature,1,00-03*/
acb->firm_request_len = readl(lrwbuffer++);
/*firm_request_len,1,04-07*/
acb->firm_numbers_queue = readl(lrwbuffer++);
......@@ -1790,20 +2029,23 @@ static void arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
acb->firm_hd_channels = readl(lrwbuffer);
/*firm_ide_channels,4,16-19*/
}
static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
return reg->msgcode_rwbuffer_reg;
}
static void *arcmsr_get_firmware_spec(struct AdapterControlBlock *acb, int mode)
{
void *rtnval = 0;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_get_hba_config(acb);
rtnval = arcmsr_get_hba_config(acb, mode);
}
break;
case ACB_ADAPTER_TYPE_B: {
arcmsr_get_hbb_config(acb);
rtnval = arcmsr_get_hbb_config(acb, mode);
}
break;
}
return rtnval;
}
static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
......@@ -2043,6 +2285,66 @@ 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;
} 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))) {
atomic_set(&acb->rq_map_token, 16);
}
acb->ante_token_value = atomic_read(&acb->rq_map_token);
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
}
mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6000));
return;
}
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;
} 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))) {
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);
}
mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6000));
return;
}
static void arcmsr_request_device_map(unsigned long pacb)
{
struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_request_hba_device_map(acb);
}
break;
case ACB_ADAPTER_TYPE_B: {
arcmsr_request_hbb_device_map(acb);
}
break;
}
}
static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
......@@ -2121,6 +2423,60 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
return;
}
static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
{
uint8_t value[64];
int i;
/* backup pci config data */
for (i = 0; i < 64; i++) {
pci_read_config_byte(acb->pdev, i, &value[i]);
}
/* hardware reset signal */
pci_write_config_byte(acb->pdev, 0x84, 0x20);
msleep(1000);
/* write back pci config data */
for (i = 0; i < 64; i++) {
pci_write_config_byte(acb->pdev, i, value[i]);
}
msleep(1000);
return;
}
/*
****************************************************************************
****************************************************************************
*/
#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;
......@@ -2129,7 +2485,7 @@ 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);
arcmsr_get_firmware_spec(acb, 1);
/*start background rebuild*/
arcmsr_start_adapter_bgrb(acb);
/* empty doorbell Qbuffer if door bell ringed */
......@@ -2140,51 +2496,110 @@ static void arcmsr_iop_init(struct AdapterControlBlock *acb)
acb->acb_flags |= ACB_F_IOP_INITED;
}
static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
{
struct CommandControlBlock *ccb;
uint32_t intmask_org;
uint8_t rtnval = 0x00;
int i = 0;
if (atomic_read(&acb->ccboutstandingcount) != 0) {
/* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb);
/* talk to iop 331 outstanding command aborted */
arcmsr_abort_allcmd(acb);
rtnval = arcmsr_abort_allcmd(acb);
/* wait for 3 sec for all command aborted*/
ssleep(3);
/* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb);
/* 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) {
ccb->startdone = ARCMSR_CCB_ABORTED;
arcmsr_ccb_complete(ccb, 1);
}
}
atomic_set(&acb->ccboutstandingcount, 0);
/* enable all outbound interrupt */
arcmsr_enable_outbound_ints(acb, intmask_org);
return rtnval;
}
return rtnval;
}
static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
{
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *)cmd->device->host->hostdata;
int i;
int retry = 0;
acb->num_resets++;
if (acb->acb_flags & ACB_F_BUS_RESET)
return SUCCESS;
printk(KERN_NOTICE "arcmsr%d: bus reset ..... \n", acb->adapter_index);
acb->acb_flags |= ACB_F_BUS_RESET;
for (i = 0; i < 400; i++) {
if (!atomic_read(&acb->ccboutstandingcount))
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);
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 (retry_count > retrycount) {
printk(KERN_NOTICE "arcmsr%d: hardware bus reset and return busy, retry aborted \n",
acb->host->host_no);
return SUCCESS;
}
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_start_adapter_bgrb(acb);
/* clear Qbuffer if door bell ringed */
outbound_doorbell = readl(&reg->outbound_doorbell);
writel(outbound_doorbell, &reg->outbound_doorbell); /*clear interrupt */
writel(ARCMSR_INBOUND_DRIVER_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);
init_timer(&acb->eternal_timer);
acb->eternal_timer.expires = jiffies + msecs_to_jiffies(20*HZ);
acb->eternal_timer.data = (unsigned long) acb;
acb->eternal_timer.function = &arcmsr_request_device_map;
add_timer(&acb->eternal_timer);
#endif
}
break;
arcmsr_interrupt(acb);/* FIXME: need spinlock */
msleep(25);
case ACB_ADAPTER_TYPE_B: {
}
arcmsr_iop_reset(acb);
}
} else {
acb->acb_flags &= ~ACB_F_BUS_RESET;
}
return SUCCESS;
}
......@@ -2277,98 +2692,3 @@ static const char *arcmsr_info(struct Scsi_Host *host)
ARCMSR_DRIVER_VERSION);
return buf;
}
#ifdef CONFIG_SCSI_ARCMSR_AER
static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev)
{
struct Scsi_Host *host = pci_get_drvdata(pdev);
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *) host->hostdata;
uint32_t intmask_org;
int i, j;
if (pci_enable_device(pdev)) {
return PCI_ERS_RESULT_DISCONNECT;
}
pci_set_master(pdev);
intmask_org = arcmsr_disable_outbound_ints(acb);
acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
ACB_F_MESSAGE_RQBUFFER_CLEARED |
ACB_F_MESSAGE_WQBUFFER_READED);
acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
acb->devstate[i][j] = ARECA_RAID_GONE;
arcmsr_wait_firmware_ready(acb);
arcmsr_iop_confirm(acb);
/* disable all outbound interrupt */
arcmsr_get_firmware_spec(acb);
/*start background rebuild*/
arcmsr_start_adapter_bgrb(acb);
/* empty doorbell Qbuffer if door bell ringed */
arcmsr_clear_doorbell_queue_buffer(acb);
arcmsr_enable_eoi_mode(acb);
/* enable outbound Post Queue,outbound doorbell Interrupt */
arcmsr_enable_outbound_ints(acb, intmask_org);
acb->acb_flags |= ACB_F_IOP_INITED;
pci_enable_pcie_error_reporting(pdev);
return PCI_ERS_RESULT_RECOVERED;
}
static void arcmsr_pci_ers_need_reset_forepart(struct pci_dev *pdev)
{
struct Scsi_Host *host = pci_get_drvdata(pdev);
struct AdapterControlBlock *acb = (struct AdapterControlBlock *)host->hostdata;
struct CommandControlBlock *ccb;
uint32_t intmask_org;
int i = 0;
if (atomic_read(&acb->ccboutstandingcount) != 0) {
/* talk to iop 331 outstanding command aborted */
arcmsr_abort_allcmd(acb);
/* wait for 3 sec for all command aborted*/
ssleep(3);
/* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb);
/* 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) {
ccb->startdone = ARCMSR_CCB_ABORTED;
arcmsr_ccb_complete(ccb, 1);
}
}
/* enable all outbound interrupt */
arcmsr_enable_outbound_ints(acb, intmask_org);
}
pci_disable_device(pdev);
}
static void arcmsr_pci_ers_disconnect_forepart(struct pci_dev *pdev)
{
struct Scsi_Host *host = pci_get_drvdata(pdev);
struct AdapterControlBlock *acb = \
(struct AdapterControlBlock *)host->hostdata;
arcmsr_stop_adapter_bgrb(acb);
arcmsr_flush_adapter_cache(acb);
}
static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
pci_channel_state_t state)
{
switch (state) {
case pci_channel_io_frozen:
arcmsr_pci_ers_need_reset_forepart(pdev);
return PCI_ERS_RESULT_NEED_RESET;
case pci_channel_io_perm_failure:
arcmsr_pci_ers_disconnect_forepart(pdev);
return PCI_ERS_RESULT_DISCONNECT;
break;
default:
return PCI_ERS_RESULT_NEED_RESET;
}
}
#endif
drivers/scsi/be2iscsi/be_mgmt.c
浏览文件 @ e2e2400b
......@@ -167,10 +167,9 @@ unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
&nonemb_cmd.dma);
if (nonemb_cmd.va == NULL) {
SE_DEBUG(DBG_LVL_1,
"Failed to allocate memory for"
"mgmt_invalidate_icds \n");
"Failed to allocate memory for mgmt_invalidate_icds\n");
spin_unlock(&ctrl->mbox_lock);
return -1;
return 0;
}
nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
req = nonemb_cmd.va;
......
drivers/scsi/bfa/bfa_core.c
浏览文件 @ e2e2400b
......@@ -84,11 +84,32 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo)
for (i = 0; hal_mods[i]; i++)
hal_mods[i]->meminfo(cfg, &km_len, &dm_len);
dm_len += bfa_port_meminfo();
meminfo->meminfo[BFA_MEM_TYPE_KVA - 1].mem_len = km_len;
meminfo->meminfo[BFA_MEM_TYPE_DMA - 1].mem_len = dm_len;
}
static void
bfa_com_port_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi)
{
struct bfa_port_s *port = &bfa->modules.port;
uint32_t dm_len;
uint8_t *dm_kva;
uint64_t dm_pa;
dm_len = bfa_port_meminfo();
dm_kva = bfa_meminfo_dma_virt(mi);
dm_pa = bfa_meminfo_dma_phys(mi);
memset(port, 0, sizeof(struct bfa_port_s));
bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod, bfa->logm);
bfa_port_mem_claim(port, dm_kva, dm_pa);
bfa_meminfo_dma_virt(mi) = dm_kva + dm_len;
bfa_meminfo_dma_phys(mi) = dm_pa + dm_len;
}
/**
* Use this function to do attach the driver instance with the BFA
* library. This function will not trigger any HW initialization
......@@ -140,6 +161,7 @@ bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
for (i = 0; hal_mods[i]; i++)
hal_mods[i]->attach(bfa, bfad, cfg, meminfo, pcidev);
bfa_com_port_attach(bfa, meminfo);
}
/**
......
drivers/scsi/ipr.c
浏览文件 @ e2e2400b
......@@ -567,7 +567,8 @@ static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd,
static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64;
dma_addr_t dma_addr = ipr_cmd->dma_addr;
memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt));
......@@ -576,19 +577,19 @@ static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd)
ioarcb->ioadl_len = 0;
ioarcb->read_ioadl_len = 0;
if (ipr_cmd->ioa_cfg->sis64)
if (ipr_cmd->ioa_cfg->sis64) {
ioarcb->u.sis64_addr_data.data_ioadl_addr =
cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64));
else {
ioasa64->u.gata.status = 0;
} else {
ioarcb->write_ioadl_addr =
cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl));
ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
ioasa->u.gata.status = 0;
}
ioasa->ioasc = 0;
ioasa->residual_data_len = 0;
ioasa->u.gata.status = 0;
ioasa->hdr.ioasc = 0;
ioasa->hdr.residual_data_len = 0;
ipr_cmd->scsi_cmd = NULL;
ipr_cmd->qc = NULL;
ipr_cmd->sense_buffer[0] = 0;
......@@ -768,8 +769,8 @@ static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg)
list_for_each_entry_safe(ipr_cmd, temp, &ioa_cfg->pending_q, queue) {
list_del(&ipr_cmd->queue);
ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_IOA_WAS_RESET);
ipr_cmd->ioasa.ilid = cpu_to_be32(IPR_DRIVER_ILID);
ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_IOA_WAS_RESET);
ipr_cmd->s.ioasa.hdr.ilid = cpu_to_be32(IPR_DRIVER_ILID);
if (ipr_cmd->scsi_cmd)
ipr_cmd->done = ipr_scsi_eh_done;
......@@ -1040,7 +1041,7 @@ static void ipr_init_res_entry(struct ipr_resource_entry *res,
proto = cfgtew->u.cfgte64->proto;
res->res_flags = cfgtew->u.cfgte64->res_flags;
res->qmodel = IPR_QUEUEING_MODEL64(res);
res->type = cfgtew->u.cfgte64->res_type & 0x0f;
res->type = cfgtew->u.cfgte64->res_type;
memcpy(res->res_path, &cfgtew->u.cfgte64->res_path,
sizeof(res->res_path));
......@@ -1319,7 +1320,7 @@ static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb;
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
list_del(&hostrcb->queue);
list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
......@@ -2354,7 +2355,7 @@ static void ipr_process_error(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb;
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
u32 fd_ioasc;
if (ioa_cfg->sis64)
......@@ -4509,11 +4510,16 @@ static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg,
}
ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT);
ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET)
memcpy(&res->sata_port->ioasa, &ipr_cmd->ioasa.u.gata,
sizeof(struct ipr_ioasa_gata));
if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET) {
if (ipr_cmd->ioa_cfg->sis64)
memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata,
sizeof(struct ipr_ioasa_gata));
else
memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata,
sizeof(struct ipr_ioasa_gata));
}
LEAVE;
return (IPR_IOASC_SENSE_KEY(ioasc) ? -EIO : 0);
......@@ -4768,7 +4774,7 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd)
scmd_printk(KERN_ERR, scsi_cmd, "Aborting command: %02X\n",
scsi_cmd->cmnd[0]);
ipr_send_blocking_cmd(ipr_cmd, ipr_abort_timeout, IPR_CANCEL_ALL_TIMEOUT);
ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
/*
* If the abort task timed out and we sent a bus reset, we will get
......@@ -4812,15 +4818,39 @@ static int ipr_eh_abort(struct scsi_cmnd * scsi_cmd)
/**
* ipr_handle_other_interrupt - Handle "other" interrupts
* @ioa_cfg: ioa config struct
* @int_reg: interrupt register
*
* Return value:
* IRQ_NONE / IRQ_HANDLED
**/
static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg,
volatile u32 int_reg)
static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg)
{
irqreturn_t rc = IRQ_HANDLED;
volatile u32 int_reg, int_mask_reg;
int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32);
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32) & ~int_mask_reg;
/* If an interrupt on the adapter did not occur, ignore it.
* Or in the case of SIS 64, check for a stage change interrupt.
*/
if ((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0) {
if (ioa_cfg->sis64) {
int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) {
/* clear stage change */
writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg);
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
list_del(&ioa_cfg->reset_cmd->queue);
del_timer(&ioa_cfg->reset_cmd->timer);
ipr_reset_ioa_job(ioa_cfg->reset_cmd);
return IRQ_HANDLED;
}
}
return IRQ_NONE;
}
if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) {
/* Mask the interrupt */
......@@ -4881,7 +4911,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
{
struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)devp;
unsigned long lock_flags = 0;
volatile u32 int_reg, int_mask_reg;
volatile u32 int_reg;
u32 ioasc;
u16 cmd_index;
int num_hrrq = 0;
......@@ -4896,33 +4926,6 @@ static irqreturn_t ipr_isr(int irq, void *devp)
return IRQ_NONE;
}
int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32);
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32) & ~int_mask_reg;
/* If an interrupt on the adapter did not occur, ignore it.
* Or in the case of SIS 64, check for a stage change interrupt.
*/
if (unlikely((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0)) {
if (ioa_cfg->sis64) {
int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) {
/* clear stage change */
writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg);
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
list_del(&ioa_cfg->reset_cmd->queue);
del_timer(&ioa_cfg->reset_cmd->timer);
ipr_reset_ioa_job(ioa_cfg->reset_cmd);
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
return IRQ_HANDLED;
}
}
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
return IRQ_NONE;
}
while (1) {
ipr_cmd = NULL;
......@@ -4940,7 +4943,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index];
ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc);
......@@ -4962,7 +4965,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
/* Clear the PCI interrupt */
do {
writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32);
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32) & ~int_mask_reg;
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32);
} while (int_reg & IPR_PCII_HRRQ_UPDATED &&
num_hrrq++ < IPR_MAX_HRRQ_RETRIES);
......@@ -4977,7 +4980,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
}
if (unlikely(rc == IRQ_NONE))
rc = ipr_handle_other_interrupt(ioa_cfg, int_reg);
rc = ipr_handle_other_interrupt(ioa_cfg);
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
return rc;
......@@ -5014,6 +5017,10 @@ static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg,
ipr_cmd->dma_use_sg = nseg;
ioarcb->data_transfer_length = cpu_to_be32(length);
ioarcb->ioadl_len =
cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg);
if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) {
ioadl_flags = IPR_IOADL_FLAGS_WRITE;
ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
......@@ -5135,7 +5142,7 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd)
struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
struct ipr_resource_entry *res = scsi_cmd->device->hostdata;
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
if (IPR_IOASC_SENSE_KEY(ioasc) > 0) {
scsi_cmd->result |= (DID_ERROR << 16);
......@@ -5166,7 +5173,7 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd)
static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
dma_addr_t dma_addr = ipr_cmd->dma_addr;
memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt));
......@@ -5174,8 +5181,8 @@ static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
ioarcb->read_data_transfer_length = 0;
ioarcb->ioadl_len = 0;
ioarcb->read_ioadl_len = 0;
ioasa->ioasc = 0;
ioasa->residual_data_len = 0;
ioasa->hdr.ioasc = 0;
ioasa->hdr.residual_data_len = 0;
if (ipr_cmd->ioa_cfg->sis64)
ioarcb->u.sis64_addr_data.data_ioadl_addr =
......@@ -5200,7 +5207,7 @@ static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd)
{
struct ipr_cmd_pkt *cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt;
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
if (IPR_IOASC_SENSE_KEY(ioasc) > 0) {
ipr_erp_done(ipr_cmd);
......@@ -5277,12 +5284,12 @@ static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg,
int i;
u16 data_len;
u32 ioasc, fd_ioasc;
struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
__be32 *ioasa_data = (__be32 *)ioasa;
int error_index;
ioasc = be32_to_cpu(ioasa->ioasc) & IPR_IOASC_IOASC_MASK;
fd_ioasc = be32_to_cpu(ioasa->fd_ioasc) & IPR_IOASC_IOASC_MASK;
ioasc = be32_to_cpu(ioasa->hdr.ioasc) & IPR_IOASC_IOASC_MASK;
fd_ioasc = be32_to_cpu(ioasa->hdr.fd_ioasc) & IPR_IOASC_IOASC_MASK;
if (0 == ioasc)
return;
......@@ -5297,7 +5304,7 @@ static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg,
if (ioa_cfg->log_level < IPR_MAX_LOG_LEVEL) {
/* Don't log an error if the IOA already logged one */
if (ioasa->ilid != 0)
if (ioasa->hdr.ilid != 0)
return;
if (!ipr_is_gscsi(res))
......@@ -5309,10 +5316,11 @@ static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg,
ipr_res_err(ioa_cfg, res, "%s\n", ipr_error_table[error_index].error);
if (sizeof(struct ipr_ioasa) < be16_to_cpu(ioasa->ret_stat_len))
data_len = be16_to_cpu(ioasa->hdr.ret_stat_len);
if (ioa_cfg->sis64 && sizeof(struct ipr_ioasa64) < data_len)
data_len = sizeof(struct ipr_ioasa64);
else if (!ioa_cfg->sis64 && sizeof(struct ipr_ioasa) < data_len)
data_len = sizeof(struct ipr_ioasa);
else
data_len = be16_to_cpu(ioasa->ret_stat_len);
ipr_err("IOASA Dump:\n");
......@@ -5338,8 +5346,8 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
u32 failing_lba;
u8 *sense_buf = ipr_cmd->scsi_cmd->sense_buffer;
struct ipr_resource_entry *res = ipr_cmd->scsi_cmd->device->hostdata;
struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
u32 ioasc = be32_to_cpu(ioasa->ioasc);
struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
u32 ioasc = be32_to_cpu(ioasa->hdr.ioasc);
memset(sense_buf, 0, SCSI_SENSE_BUFFERSIZE);
......@@ -5382,7 +5390,7 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
/* Illegal request */
if ((IPR_IOASC_SENSE_KEY(ioasc) == 0x05) &&
(be32_to_cpu(ioasa->ioasc_specific) & IPR_FIELD_POINTER_VALID)) {
(be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_FIELD_POINTER_VALID)) {
sense_buf[7] = 10; /* additional length */
/* IOARCB was in error */
......@@ -5393,10 +5401,10 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
sense_buf[16] =
((IPR_FIELD_POINTER_MASK &
be32_to_cpu(ioasa->ioasc_specific)) >> 8) & 0xff;
be32_to_cpu(ioasa->hdr.ioasc_specific)) >> 8) & 0xff;
sense_buf[17] =
(IPR_FIELD_POINTER_MASK &
be32_to_cpu(ioasa->ioasc_specific)) & 0xff;
be32_to_cpu(ioasa->hdr.ioasc_specific)) & 0xff;
} else {
if (ioasc == IPR_IOASC_MED_DO_NOT_REALLOC) {
if (ipr_is_vset_device(res))
......@@ -5428,14 +5436,20 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
**/
static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64;
if ((be32_to_cpu(ioasa->ioasc_specific) & IPR_AUTOSENSE_VALID) == 0)
if ((be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_AUTOSENSE_VALID) == 0)
return 0;
memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data,
min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len),
SCSI_SENSE_BUFFERSIZE));
if (ipr_cmd->ioa_cfg->sis64)
memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa64->auto_sense.data,
min_t(u16, be16_to_cpu(ioasa64->auto_sense.auto_sense_len),
SCSI_SENSE_BUFFERSIZE));
else
memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data,
min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len),
SCSI_SENSE_BUFFERSIZE));
return 1;
}
......@@ -5455,7 +5469,7 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg,
{
struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
struct ipr_resource_entry *res = scsi_cmd->device->hostdata;
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK;
if (!res) {
......@@ -5547,9 +5561,9 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->ioasa.residual_data_len));
scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len));
if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) {
scsi_dma_unmap(ipr_cmd->scsi_cmd);
......@@ -5839,19 +5853,23 @@ static void ipr_sata_done(struct ipr_cmnd *ipr_cmd)
struct ata_queued_cmd *qc = ipr_cmd->qc;
struct ipr_sata_port *sata_port = qc->ap->private_data;
struct ipr_resource_entry *res = sata_port->res;
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
memcpy(&sata_port->ioasa, &ipr_cmd->ioasa.u.gata,
sizeof(struct ipr_ioasa_gata));
if (ipr_cmd->ioa_cfg->sis64)
memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata,
sizeof(struct ipr_ioasa_gata));
else
memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata,
sizeof(struct ipr_ioasa_gata));
ipr_dump_ioasa(ioa_cfg, ipr_cmd, res);
if (be32_to_cpu(ipr_cmd->ioasa.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET)
if (be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET)
scsi_report_device_reset(ioa_cfg->host, res->bus, res->target);
if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR)
qc->err_mask |= __ac_err_mask(ipr_cmd->ioasa.u.gata.status);
qc->err_mask |= __ac_err_mask(sata_port->ioasa.status);
else
qc->err_mask |= ac_err_mask(ipr_cmd->ioasa.u.gata.status);
qc->err_mask |= ac_err_mask(sata_port->ioasa.status);
list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
ata_qc_complete(qc);
}
......@@ -6520,7 +6538,7 @@ static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd,
static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
dev_err(&ioa_cfg->pdev->dev,
"0x%02X failed with IOASC: 0x%08X\n",
......@@ -6544,7 +6562,7 @@ static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd)
static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) {
ipr_cmd->job_step = ipr_set_supported_devs;
......@@ -6634,7 +6652,7 @@ static int ipr_ioafp_mode_select_page24(struct ipr_cmnd *ipr_cmd)
**/
static int ipr_reset_mode_sense_page24_failed(struct ipr_cmnd *ipr_cmd)
{
u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) {
ipr_cmd->job_step = ipr_ioafp_mode_sense_page28;
......@@ -6706,7 +6724,7 @@ static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd)
list_move_tail(&res->queue, &old_res);
if (ioa_cfg->sis64)
entries = ioa_cfg->u.cfg_table64->hdr64.num_entries;
entries = be16_to_cpu(ioa_cfg->u.cfg_table64->hdr64.num_entries);
else
entries = ioa_cfg->u.cfg_table->hdr.num_entries;
......@@ -6792,6 +6810,7 @@ static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd)
ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE);
ioarcb->cmd_pkt.cdb[0] = IPR_QUERY_IOA_CONFIG;
ioarcb->cmd_pkt.cdb[6] = (ioa_cfg->cfg_table_size >> 16) & 0xff;
ioarcb->cmd_pkt.cdb[7] = (ioa_cfg->cfg_table_size >> 8) & 0xff;
ioarcb->cmd_pkt.cdb[8] = ioa_cfg->cfg_table_size & 0xff;
......@@ -7122,7 +7141,9 @@ static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd)
ipr_dbg("IPL stage = 0x%lx, IPL stage time = %ld\n", stage, stage_time);
/* sanity check the stage_time value */
if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME)
if (stage_time == 0)
stage_time = IPR_IPL_INIT_DEFAULT_STAGE_TIME;
else if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME)
stage_time = IPR_IPL_INIT_MIN_STAGE_TIME;
else if (stage_time > IPR_LONG_OPERATIONAL_TIMEOUT)
stage_time = IPR_LONG_OPERATIONAL_TIMEOUT;
......@@ -7165,13 +7186,14 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
volatile u32 int_reg;
volatile u64 maskval;
ENTER;
ipr_cmd->job_step = ipr_ioafp_identify_hrrq;
ipr_init_ioa_mem(ioa_cfg);
ioa_cfg->allow_interrupts = 1;
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg);
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32);
if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) {
writel((IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED),
......@@ -7183,9 +7205,12 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
/* Enable destructive diagnostics on IOA */
writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg32);
writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32);
if (ioa_cfg->sis64)
writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_mask_reg);
if (ioa_cfg->sis64) {
maskval = IPR_PCII_IPL_STAGE_CHANGE;
maskval = (maskval << 32) | IPR_PCII_OPER_INTERRUPTS;
writeq(maskval, ioa_cfg->regs.clr_interrupt_mask_reg);
} else
writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32);
int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
......@@ -7332,12 +7357,12 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
rc = pci_restore_state(ioa_cfg->pdev);
if (rc != PCIBIOS_SUCCESSFUL) {
ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
return IPR_RC_JOB_CONTINUE;
}
if (ipr_set_pcix_cmd_reg(ioa_cfg)) {
ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
return IPR_RC_JOB_CONTINUE;
}
......@@ -7364,7 +7389,7 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
}
}
ENTER;
LEAVE;
return IPR_RC_JOB_CONTINUE;
}
......@@ -7406,7 +7431,7 @@ static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd)
if (rc != PCIBIOS_SUCCESSFUL) {
pci_unblock_user_cfg_access(ipr_cmd->ioa_cfg->pdev);
ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
rc = IPR_RC_JOB_CONTINUE;
} else {
ipr_cmd->job_step = ipr_reset_bist_done;
......@@ -7665,7 +7690,7 @@ static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd)
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
do {
ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
if (ioa_cfg->reset_cmd != ipr_cmd) {
/*
......@@ -8048,13 +8073,13 @@ static int __devinit ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg)
ioarcb->u.sis64_addr_data.data_ioadl_addr =
cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64));
ioarcb->u.sis64_addr_data.ioasa_host_pci_addr =
cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, ioasa));
cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, s.ioasa64));
} else {
ioarcb->write_ioadl_addr =
cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl));
ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
ioarcb->ioasa_host_pci_addr =
cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, ioasa));
cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, s.ioasa));
}
ioarcb->ioasa_len = cpu_to_be16(sizeof(struct ipr_ioasa));
ipr_cmd->cmd_index = i;
......
drivers/scsi/ipr.h
浏览文件 @ e2e2400b
......@@ -244,6 +244,7 @@
#define IPR_RUNTIME_RESET 0x40000000
#define IPR_IPL_INIT_MIN_STAGE_TIME 5
#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 15
#define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
#define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
#define IPR_IPL_INIT_STAGE_MASK 0xff000000
......@@ -613,7 +614,7 @@ struct ipr_auto_sense {
__be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
};
struct ipr_ioasa {
struct ipr_ioasa_hdr {
__be32 ioasc;
#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
......@@ -645,6 +646,25 @@ struct ipr_ioasa {
#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
#define IPR_FIELD_POINTER_MASK 0x0000ffff
}__attribute__((packed, aligned (4)));
struct ipr_ioasa {
struct ipr_ioasa_hdr hdr;
union {
struct ipr_ioasa_vset vset;
struct ipr_ioasa_af_dasd dasd;
struct ipr_ioasa_gpdd gpdd;
struct ipr_ioasa_gata gata;
} u;
struct ipr_auto_sense auto_sense;
}__attribute__((packed, aligned (4)));
struct ipr_ioasa64 {
struct ipr_ioasa_hdr hdr;
u8 fd_res_path[8];
union {
struct ipr_ioasa_vset vset;
struct ipr_ioasa_af_dasd dasd;
......@@ -804,7 +824,7 @@ struct ipr_hostrcb_array_data_entry_enhanced {
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_ff_error {
__be32 ioa_data[502];
__be32 ioa_data[758];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_01_error {
......@@ -1181,7 +1201,7 @@ struct ipr_resource_entry {
u8 flags;
__be16 res_flags;
__be32 type;
u8 type;
u8 qmodel;
struct ipr_std_inq_data std_inq_data;
......@@ -1464,7 +1484,10 @@ struct ipr_cmnd {
struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
struct ipr_ata64_ioadl ata_ioadl;
} i;
struct ipr_ioasa ioasa;
union {
struct ipr_ioasa ioasa;
struct ipr_ioasa64 ioasa64;
} s;
struct list_head queue;
struct scsi_cmnd *scsi_cmd;
struct ata_queued_cmd *qc;
......
drivers/scsi/iscsi_tcp.c
浏览文件 @ e2e2400b
......@@ -601,10 +601,8 @@ static void iscsi_sw_tcp_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
write_unlock_bh(&tcp_sw_conn->sock->sk->sk_callback_lock);
if (sk_sleep(sock->sk)) {
sock->sk->sk_err = EIO;
wake_up_interruptible(sk_sleep(sock->sk));
}
sock->sk->sk_err = EIO;
wake_up_interruptible(sk_sleep(sock->sk));
iscsi_conn_stop(cls_conn, flag);
iscsi_sw_tcp_release_conn(conn);
......
drivers/scsi/scsi_scan.c
浏览文件 @ e2e2400b
......@@ -492,19 +492,20 @@ void scsi_target_reap(struct scsi_target *starget)
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
unsigned long flags;
enum scsi_target_state state;
int empty;
int empty = 0;
spin_lock_irqsave(shost->host_lock, flags);
state = starget->state;
empty = --starget->reap_ref == 0 &&
list_empty(&starget->devices) ? 1 : 0;
if (--starget->reap_ref == 0 && list_empty(&starget->devices)) {
empty = 1;
starget->state = STARGET_DEL;
}
spin_unlock_irqrestore(shost->host_lock, flags);
if (!empty)
return;
BUG_ON(state == STARGET_DEL);
starget->state = STARGET_DEL;
if (state == STARGET_CREATED)
scsi_target_destroy(starget);
else
......
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