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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.c155
1 files changed, 43 insertions, 112 deletions
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index 8b955b534a3..6d3ee1ab636 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -505,7 +505,7 @@ void sym_log_bus_error(struct Scsi_Host *shost)
* queuecommand method. Entered with the host adapter lock held and
* interrupts disabled.
*/
-static int sym53c8xx_queue_command(struct scsi_cmnd *cmd,
+static int sym53c8xx_queue_command_lck(struct scsi_cmnd *cmd,
void (*done)(struct scsi_cmnd *))
{
struct sym_hcb *np = SYM_SOFTC_PTR(cmd);
@@ -536,6 +536,8 @@ static int sym53c8xx_queue_command(struct scsi_cmnd *cmd,
return 0;
}
+static DEF_SCSI_QCMD(sym53c8xx_queue_command)
+
/*
* Linux entry point of the interrupt handler.
*/
@@ -837,6 +839,10 @@ static void sym53c8xx_slave_destroy(struct scsi_device *sdev)
struct sym_lcb *lp = sym_lp(tp, sdev->lun);
unsigned long flags;
+ /* if slave_alloc returned before allocating a sym_lcb, return */
+ if (!lp)
+ return;
+
spin_lock_irqsave(np->s.host->host_lock, flags);
if (lp->busy_itlq || lp->busy_itl) {
@@ -1165,112 +1171,36 @@ printk("sym_user_command: data=%ld\n", uc->data);
#endif /* SYM_LINUX_USER_COMMAND_SUPPORT */
-#ifdef SYM_LINUX_USER_INFO_SUPPORT
-/*
- * Informations through the proc file system.
- */
-struct info_str {
- char *buffer;
- int length;
- int offset;
- int pos;
-};
-
-static void copy_mem_info(struct info_str *info, char *data, int len)
-{
- if (info->pos + len > info->length)
- len = info->length - info->pos;
-
- if (info->pos + len < info->offset) {
- info->pos += len;
- return;
- }
- if (info->pos < info->offset) {
- data += (info->offset - info->pos);
- len -= (info->offset - info->pos);
- }
-
- if (len > 0) {
- memcpy(info->buffer + info->pos, data, len);
- info->pos += len;
- }
-}
-
-static int copy_info(struct info_str *info, char *fmt, ...)
-{
- va_list args;
- char buf[81];
- int len;
-
- va_start(args, fmt);
- len = vsprintf(buf, fmt, args);
- va_end(args);
-
- copy_mem_info(info, buf, len);
- return len;
-}
-
/*
* Copy formatted information into the input buffer.
*/
-static int sym_host_info(struct Scsi_Host *shost, char *ptr, off_t offset, int len)
+static int sym_show_info(struct seq_file *m, struct Scsi_Host *shost)
{
+#ifdef SYM_LINUX_USER_INFO_SUPPORT
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;
- info.length = len;
- info.offset = offset;
- info.pos = 0;
- copy_info(&info, "Chip " NAME53C "%s, device id 0x%x, "
- "revision id 0x%x\n", np->s.chip_name,
- pdev->device, pdev->revision);
- copy_info(&info, "At PCI address %s, IRQ %u\n",
+ seq_printf(m, "Chip " NAME53C "%s, device id 0x%x, "
+ "revision id 0x%x\n", np->s.chip_name,
+ pdev->device, pdev->revision);
+ seq_printf(m, "At PCI address %s, IRQ %u\n",
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",
- np->minsync_dt ? ", DT capable" : "");
-
- copy_info(&info, "Max. started commands %d, "
- "max. commands per LUN %d\n",
- SYM_CONF_MAX_START, SYM_CONF_MAX_TAG);
+ seq_printf(m, "Min. period factor %d, %s SCSI BUS%s\n",
+ (int) (np->minsync_dt ? np->minsync_dt : np->minsync),
+ np->maxwide ? "Wide" : "Narrow",
+ np->minsync_dt ? ", DT capable" : "");
- return info.pos > info.offset? info.pos - info.offset : 0;
-}
-#endif /* SYM_LINUX_USER_INFO_SUPPORT */
+ seq_printf(m, "Max. started commands %d, "
+ "max. commands per LUN %d\n",
+ SYM_CONF_MAX_START, SYM_CONF_MAX_TAG);
-/*
- * Entry point of the scsi proc fs of the driver.
- * - func = 0 means read (returns adapter infos)
- * - func = 1 means write (not yet merget from sym53c8xx)
- */
-static int sym53c8xx_proc_info(struct Scsi_Host *shost, char *buffer,
- char **start, off_t offset, int length, int func)
-{
- int retv;
-
- if (func) {
-#ifdef SYM_LINUX_USER_COMMAND_SUPPORT
- retv = sym_user_command(shost, buffer, length);
-#else
- retv = -EINVAL;
-#endif
- } else {
- if (start)
- *start = buffer;
-#ifdef SYM_LINUX_USER_INFO_SUPPORT
- retv = sym_host_info(shost, buffer, offset, length);
+ return 0;
#else
- retv = -EINVAL;
-#endif
- }
-
- return retv;
+ return -EINVAL;
+#endif /* SYM_LINUX_USER_INFO_SUPPORT */
}
+
#endif /* SYM_LINUX_PROC_INFO_SUPPORT */
/*
@@ -1278,8 +1208,7 @@ static int sym53c8xx_proc_info(struct Scsi_Host *shost, char *buffer,
* sym_free_resources() should be used instead of this function after calling
* sym_attach().
*/
-static void __devinit
-sym_iounmap_device(struct sym_device *device)
+static void sym_iounmap_device(struct sym_device *device)
{
if (device->s.ioaddr)
pci_iounmap(device->pdev, device->s.ioaddr);
@@ -1319,8 +1248,8 @@ static void sym_free_resources(struct sym_hcb *np, struct pci_dev *pdev,
* If all is OK, install interrupt handling and
* start the timer daemon.
*/
-static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
- int unit, struct sym_device *dev)
+static struct Scsi_Host *sym_attach(struct scsi_host_template *tpnt, int unit,
+ struct sym_device *dev)
{
struct sym_data *sym_data;
struct sym_hcb *np = NULL;
@@ -1475,7 +1404,7 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
* Detect and try to read SYMBIOS and TEKRAM NVRAM.
*/
#if SYM_CONF_NVRAM_SUPPORT
-static void __devinit sym_get_nvram(struct sym_device *devp, struct sym_nvram *nvp)
+static void sym_get_nvram(struct sym_device *devp, struct sym_nvram *nvp)
{
devp->nvram = nvp;
nvp->type = 0;
@@ -1488,7 +1417,7 @@ static inline void sym_get_nvram(struct sym_device *devp, struct sym_nvram *nvp)
}
#endif /* SYM_CONF_NVRAM_SUPPORT */
-static int __devinit sym_check_supported(struct sym_device *device)
+static int sym_check_supported(struct sym_device *device)
{
struct sym_chip *chip;
struct pci_dev *pdev = device->pdev;
@@ -1525,7 +1454,7 @@ static int __devinit sym_check_supported(struct sym_device *device)
* Ignore Symbios chips controlled by various RAID controllers.
* These controllers set value 0x52414944 at RAM end - 16.
*/
-static int __devinit sym_check_raid(struct sym_device *device)
+static int sym_check_raid(struct sym_device *device)
{
unsigned int ram_size, ram_val;
@@ -1546,7 +1475,7 @@ static int __devinit sym_check_raid(struct sym_device *device)
return -ENODEV;
}
-static int __devinit sym_set_workarounds(struct sym_device *device)
+static int sym_set_workarounds(struct sym_device *device)
{
struct sym_chip *chip = &device->chip;
struct pci_dev *pdev = device->pdev;
@@ -1596,14 +1525,13 @@ static int __devinit sym_set_workarounds(struct sym_device *device)
/*
* Map HBA registers and on-chip SRAM (if present).
*/
-static int __devinit
-sym_iomap_device(struct sym_device *device)
+static int sym_iomap_device(struct sym_device *device)
{
struct pci_dev *pdev = device->pdev;
struct pci_bus_region bus_addr;
int i = 2;
- pcibios_resource_to_bus(pdev, &bus_addr, &pdev->resource[1]);
+ pcibios_resource_to_bus(pdev->bus, &bus_addr, &pdev->resource[1]);
device->mmio_base = bus_addr.start;
if (device->chip.features & FE_RAM) {
@@ -1613,7 +1541,8 @@ sym_iomap_device(struct sym_device *device)
*/
if (!pdev->resource[i].flags)
i++;
- pcibios_resource_to_bus(pdev, &bus_addr, &pdev->resource[i]);
+ pcibios_resource_to_bus(pdev->bus, &bus_addr,
+ &pdev->resource[i]);
device->ram_base = bus_addr.start;
}
@@ -1738,15 +1667,17 @@ static struct scsi_host_template sym2_template = {
.use_clustering = ENABLE_CLUSTERING,
.max_sectors = 0xFFFF,
#ifdef SYM_LINUX_PROC_INFO_SUPPORT
- .proc_info = sym53c8xx_proc_info,
+ .show_info = sym_show_info,
+#ifdef SYM_LINUX_USER_COMMAND_SUPPORT
+ .write_info = sym_user_command,
+#endif
.proc_name = NAME53C8XX,
#endif
};
static int attach_count;
-static int __devinit sym2_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+static int sym2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct sym_device sym_dev;
struct sym_nvram nvram;
@@ -1864,7 +1795,7 @@ static pci_ers_result_t sym2_io_slot_dump(struct pci_dev *pdev)
*
* This routine is similar to sym_set_workarounds(), except
* that, at this point, we already know that the device was
- * successfully intialized at least once before, and so most
+ * successfully initialized at least once before, and so most
* of the steps taken there are un-needed here.
*/
static void sym2_reset_workarounds(struct pci_dev *pdev)
@@ -2071,7 +2002,7 @@ static struct spi_function_template sym2_transport_functions = {
.get_signalling = sym2_get_signalling,
};
-static struct pci_device_id sym2_id_table[] __devinitdata = {
+static struct pci_device_id sym2_id_table[] = {
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C810,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C820,
@@ -2111,7 +2042,7 @@ static struct pci_device_id sym2_id_table[] __devinitdata = {
MODULE_DEVICE_TABLE(pci, sym2_id_table);
-static struct pci_error_handlers sym2_err_handler = {
+static const struct pci_error_handlers sym2_err_handler = {
.error_detected = sym2_io_error_detected,
.mmio_enabled = sym2_io_slot_dump,
.slot_reset = sym2_io_slot_reset,