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path: root/drivers/scsi/sym53c8xx_2/sym_glue.c
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Diffstat (limited to 'drivers/scsi/sym53c8xx_2/sym_glue.c')
-rw-r--r--drivers/scsi/sym53c8xx_2/sym_glue.c97
1 files changed, 49 insertions, 48 deletions
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index 1c18b3b9aa15..df0547afe526 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -497,14 +497,16 @@ static void sym_timer(struct sym_hcb *np)
/*
* PCI BUS error handler.
*/
-void sym_log_bus_error(struct sym_hcb *np)
+void sym_log_bus_error(struct Scsi_Host *shost)
{
- u_short pci_sts;
- pci_read_config_word(np->s.device, PCI_STATUS, &pci_sts);
+ struct sym_data *sym_data = shost_priv(shost);
+ struct pci_dev *pdev = sym_data->pdev;
+ unsigned short pci_sts;
+ pci_read_config_word(pdev, PCI_STATUS, &pci_sts);
if (pci_sts & 0xf900) {
- pci_write_config_word(np->s.device, PCI_STATUS, pci_sts);
- printf("%s: PCI STATUS = 0x%04x\n",
- sym_name(np), pci_sts & 0xf900);
+ pci_write_config_word(pdev, PCI_STATUS, pci_sts);
+ shost_printk(KERN_WARNING, shost,
+ "PCI bus error: status = 0x%04x\n", pci_sts & 0xf900);
}
}
@@ -595,16 +597,17 @@ static void sym53c8xx_timer(unsigned long npref)
*/
static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd)
{
- struct sym_hcb *np = SYM_SOFTC_PTR(cmd);
struct sym_ucmd *ucmd = SYM_UCMD_PTR(cmd);
- struct Scsi_Host *host = cmd->device->host;
- struct pci_dev *pdev = np->s.device;
+ struct Scsi_Host *shost = cmd->device->host;
+ struct sym_data *sym_data = shost_priv(shost);
+ struct pci_dev *pdev = sym_data->pdev;
+ struct sym_hcb *np = sym_data->ncb;
SYM_QUEHEAD *qp;
int cmd_queued = 0;
int sts = -1;
struct completion eh_done;
- scmd_printk(KERN_WARNING, cmd, "%s operation started.\n", opname);
+ scmd_printk(KERN_WARNING, cmd, "%s operation started\n", opname);
/* We may be in an error condition because the PCI bus
* went down. In this case, we need to wait until the
@@ -614,11 +617,10 @@ static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd)
*/
#define WAIT_FOR_PCI_RECOVERY 35
if (pci_channel_offline(pdev)) {
- struct sym_data *sym_data = shost_priv(host);
struct completion *io_reset;
int finished_reset = 0;
init_completion(&eh_done);
- spin_lock_irq(host->host_lock);
+ spin_lock_irq(shost->host_lock);
/* Make sure we didn't race */
if (pci_channel_offline(pdev)) {
if (!sym_data->io_reset)
@@ -627,7 +629,7 @@ static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd)
} else {
finished_reset = 1;
}
- spin_unlock_irq(host->host_lock);
+ spin_unlock_irq(shost->host_lock);
if (!finished_reset)
finished_reset = wait_for_completion_timeout(io_reset,
WAIT_FOR_PCI_RECOVERY*HZ);
@@ -635,7 +637,7 @@ static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd)
return SCSI_FAILED;
}
- spin_lock_irq(host->host_lock);
+ spin_lock_irq(shost->host_lock);
/* This one is queued in some place -> to wait for completion */
FOR_EACH_QUEUED_ELEMENT(&np->busy_ccbq, qp) {
struct sym_ccb *cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
@@ -660,7 +662,7 @@ static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd)
break;
case SYM_EH_HOST_RESET:
sym_reset_scsi_bus(np, 0);
- sym_start_up(np, 1);
+ sym_start_up(shost, 1);
sts = 0;
break;
default:
@@ -674,13 +676,13 @@ static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd)
if (cmd_queued) {
init_completion(&eh_done);
ucmd->eh_done = &eh_done;
- spin_unlock_irq(host->host_lock);
+ spin_unlock_irq(shost->host_lock);
if (!wait_for_completion_timeout(&eh_done, 5*HZ)) {
ucmd->eh_done = NULL;
sts = -2;
}
} else {
- spin_unlock_irq(host->host_lock);
+ spin_unlock_irq(shost->host_lock);
}
dev_warn(&cmd->device->sdev_gendev, "%s operation %s.\n", opname,
@@ -993,8 +995,9 @@ static int is_keyword(char *ptr, int len, char *verb)
* Parse a control command
*/
-static int sym_user_command(struct sym_hcb *np, char *buffer, int length)
+static int sym_user_command(struct Scsi_Host *shost, char *buffer, int length)
{
+ struct sym_hcb *np = sym_get_hcb(shost);
char *ptr = buffer;
int len = length;
struct sym_usrcmd cmd, *uc = &cmd;
@@ -1121,9 +1124,9 @@ printk("sym_user_command: data=%ld\n", uc->data);
else {
unsigned long flags;
- spin_lock_irqsave(np->s.host->host_lock, flags);
- sym_exec_user_command (np, uc);
- spin_unlock_irqrestore(np->s.host->host_lock, flags);
+ spin_lock_irqsave(shost->host_lock, flags);
+ sym_exec_user_command(np, uc);
+ spin_unlock_irqrestore(shost->host_lock, flags);
}
return length;
}
@@ -1179,8 +1182,11 @@ static int copy_info(struct info_str *info, char *fmt, ...)
/*
* Copy formatted information into the input buffer.
*/
-static int sym_host_info(struct sym_hcb *np, char *ptr, off_t offset, int len)
+static int sym_host_info(struct Scsi_Host *shost, char *ptr, off_t offset, int len)
{
+ struct sym_data *sym_data = shost_priv(shost);
+ struct pci_dev *pdev = sym_data->pdev;
+ struct sym_hcb *np = sym_data->ncb;
struct info_str info;
info.buffer = ptr;
@@ -1190,9 +1196,9 @@ static int sym_host_info(struct sym_hcb *np, char *ptr, off_t offset, int len)
copy_info(&info, "Chip " NAME53C "%s, device id 0x%x, "
"revision id 0x%x\n", np->s.chip_name,
- np->s.device->device, np->s.device->revision);
+ pdev->device, pdev->revision);
copy_info(&info, "At PCI address %s, IRQ %u\n",
- pci_name(np->s.device), np->s.device->irq);
+ pci_name(pdev), pdev->irq);
copy_info(&info, "Min. period factor %d, %s SCSI BUS%s\n",
(int) (np->minsync_dt ? np->minsync_dt : np->minsync),
np->maxwide ? "Wide" : "Narrow",
@@ -1211,15 +1217,14 @@ static int sym_host_info(struct sym_hcb *np, char *ptr, off_t offset, int len)
* - func = 0 means read (returns adapter infos)
* - func = 1 means write (not yet merget from sym53c8xx)
*/
-static int sym53c8xx_proc_info(struct Scsi_Host *host, char *buffer,
+static int sym53c8xx_proc_info(struct Scsi_Host *shost, char *buffer,
char **start, off_t offset, int length, int func)
{
- struct sym_hcb *np = sym_get_hcb(host);
int retv;
if (func) {
#ifdef SYM_LINUX_USER_COMMAND_SUPPORT
- retv = sym_user_command(np, buffer, length);
+ retv = sym_user_command(shost, buffer, length);
#else
retv = -EINVAL;
#endif
@@ -1227,7 +1232,7 @@ static int sym53c8xx_proc_info(struct Scsi_Host *host, char *buffer,
if (start)
*start = buffer;
#ifdef SYM_LINUX_USER_INFO_SUPPORT
- retv = sym_host_info(np, buffer, offset, length);
+ retv = sym_host_info(shost, buffer, offset, length);
#else
retv = -EINVAL;
#endif
@@ -1303,20 +1308,18 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
np = __sym_calloc_dma(&pdev->dev, sizeof(*np), "HCB");
if (!np)
goto attach_failed;
- np->s.device = pdev;
np->bus_dmat = &pdev->dev; /* Result in 1 DMA pool per HBA */
sym_data->ncb = np;
sym_data->pdev = pdev;
np->s.host = shost;
- pci_set_drvdata(pdev, np);
+ pci_set_drvdata(pdev, shost);
/*
* Copy some useful infos to the HCB.
*/
np->hcb_ba = vtobus(np);
np->verbose = sym_driver_setup.verbose;
- np->s.device = pdev;
np->s.unit = unit;
np->features = dev->chip.features;
np->clock_divn = dev->chip.nr_divisor;
@@ -1331,9 +1334,9 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
sprintf(np->s.inst_name, "sym%d", np->s.unit);
if ((SYM_CONF_DMA_ADDRESSING_MODE > 0) && (np->features & FE_DAC) &&
- !pci_set_dma_mask(np->s.device, DMA_DAC_MASK)) {
+ !pci_set_dma_mask(pdev, DMA_DAC_MASK)) {
set_dac(np);
- } else if (pci_set_dma_mask(np->s.device, DMA_32BIT_MASK)) {
+ } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
printf_warning("%s: No suitable DMA available\n", sym_name(np));
goto attach_failed;
}
@@ -1380,7 +1383,7 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
/*
* Start the SCRIPTS.
*/
- sym_start_up(np, 1);
+ sym_start_up(shost, 1);
/*
* Start the timer daemon
@@ -1645,8 +1648,9 @@ static void sym_config_pqs(struct pci_dev *pdev, struct sym_device *sym_dev)
* Detach the host.
* We have to free resources and halt the NCR chip.
*/
-static int sym_detach(struct sym_hcb *np, struct pci_dev *pdev)
+static int sym_detach(struct Scsi_Host *shost, struct pci_dev *pdev)
{
+ struct sym_hcb *np = sym_get_hcb(shost);
printk("%s: detaching ...\n", sym_name(np));
del_timer_sync(&np->s.timer);
@@ -1750,14 +1754,11 @@ static int __devinit sym2_probe(struct pci_dev *pdev,
static void __devexit sym2_remove(struct pci_dev *pdev)
{
- struct sym_hcb *np = pci_get_drvdata(pdev);
- struct Scsi_Host *host = np->s.host;
-
- scsi_remove_host(host);
- scsi_host_put(host);
-
- sym_detach(np, pdev);
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ scsi_remove_host(shost);
+ scsi_host_put(shost);
+ sym_detach(shost, pdev);
pci_release_regions(pdev);
pci_disable_device(pdev);
@@ -1791,9 +1792,9 @@ static pci_ers_result_t sym2_io_error_detected(struct pci_dev *pdev,
*/
static pci_ers_result_t sym2_io_slot_dump(struct pci_dev *pdev)
{
- struct sym_hcb *np = pci_get_drvdata(pdev);
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
- sym_dump_registers(np);
+ sym_dump_registers(shost);
/* Request a slot reset. */
return PCI_ERS_RESULT_NEED_RESET;
@@ -1833,7 +1834,8 @@ static void sym2_reset_workarounds(struct pci_dev *pdev)
*/
static pci_ers_result_t sym2_io_slot_reset(struct pci_dev *pdev)
{
- struct sym_hcb *np = pci_get_drvdata(pdev);
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct sym_hcb *np = sym_get_hcb(shost);
printk(KERN_INFO "%s: recovering from a PCI slot reset\n",
sym_name(np));
@@ -1863,7 +1865,7 @@ static pci_ers_result_t sym2_io_slot_reset(struct pci_dev *pdev)
sym_name(np));
return PCI_ERS_RESULT_DISCONNECT;
}
- sym_start_up(np, 1);
+ sym_start_up(shost, 1);
}
return PCI_ERS_RESULT_RECOVERED;
@@ -1879,8 +1881,7 @@ static pci_ers_result_t sym2_io_slot_reset(struct pci_dev *pdev)
*/
static void sym2_io_resume(struct pci_dev *pdev)
{
- struct sym_hcb *np = pci_get_drvdata(pdev);
- struct Scsi_Host *shost = np->s.host;
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
struct sym_data *sym_data = shost_priv(shost);
spin_lock_irq(shost->host_lock);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-02 18:22:38 +0000