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Diffstat (limited to 'drivers/scsi/ibmmca.c')
-rw-r--r--drivers/scsi/ibmmca.c1267
1 files changed, 572 insertions, 695 deletions
diff --git a/drivers/scsi/ibmmca.c b/drivers/scsi/ibmmca.c
index 0e57fb6964d5..4275d1b04ced 100644
--- a/drivers/scsi/ibmmca.c
+++ b/drivers/scsi/ibmmca.c
@@ -31,14 +31,21 @@
#include <linux/mca.h>
#include <linux/spinlock.h>
#include <linux/init.h>
-#include <linux/mca-legacy.h>
#include <asm/system.h>
#include <asm/io.h>
#include "scsi.h"
#include <scsi/scsi_host.h>
-#include "ibmmca.h"
+
+/* Common forward declarations for all Linux-versions: */
+static int ibmmca_queuecommand (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
+static int ibmmca_abort (Scsi_Cmnd *);
+static int ibmmca_host_reset (Scsi_Cmnd *);
+static int ibmmca_biosparam (struct scsi_device *, struct block_device *, sector_t, int *);
+static int ibmmca_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start, off_t offset, int length, int inout);
+
+
/* current version of this driver-source: */
#define IBMMCA_SCSI_DRIVER_VERSION "4.0b-ac"
@@ -65,11 +72,11 @@
#define IM_DEBUG_CMD_DEVICE TYPE_TAPE
/* relative addresses of hardware registers on a subsystem */
-#define IM_CMD_REG(hi) (hosts[(hi)]->io_port) /*Command Interface, (4 bytes long) */
-#define IM_ATTN_REG(hi) (hosts[(hi)]->io_port+4) /*Attention (1 byte) */
-#define IM_CTR_REG(hi) (hosts[(hi)]->io_port+5) /*Basic Control (1 byte) */
-#define IM_INTR_REG(hi) (hosts[(hi)]->io_port+6) /*Interrupt Status (1 byte, r/o) */
-#define IM_STAT_REG(hi) (hosts[(hi)]->io_port+7) /*Basic Status (1 byte, read only) */
+#define IM_CMD_REG(h) ((h)->io_port) /*Command Interface, (4 bytes long) */
+#define IM_ATTN_REG(h) ((h)->io_port+4) /*Attention (1 byte) */
+#define IM_CTR_REG(h) ((h)->io_port+5) /*Basic Control (1 byte) */
+#define IM_INTR_REG(h) ((h)->io_port+6) /*Interrupt Status (1 byte, r/o) */
+#define IM_STAT_REG(h) ((h)->io_port+7) /*Basic Status (1 byte, read only) */
/* basic I/O-port of first adapter */
#define IM_IO_PORT 0x3540
@@ -266,30 +273,36 @@ static int global_adapter_speed = 0; /* full speed by default */
if ((display_mode & LED_ACTIVITY)||(!display_mode)) \
outb(inb(PS2_SYS_CTR) & 0x3f, PS2_SYS_CTR); }
-/*list of supported subsystems */
-struct subsys_list_struct {
- unsigned short mca_id;
- char *description;
-};
-
/* types of different supported hardware that goes to hostdata special */
#define IBM_SCSI2_FW 0
#define IBM_7568_WCACHE 1
#define IBM_EXP_UNIT 2
#define IBM_SCSI_WCACHE 3
#define IBM_SCSI 4
+#define IBM_INTEGSCSI 5
/* other special flags for hostdata structure */
#define FORCED_DETECTION 100
#define INTEGRATED_SCSI 101
/* List of possible IBM-SCSI-adapters */
-static struct subsys_list_struct subsys_list[] = {
- {0x8efc, "IBM SCSI-2 F/W Adapter"}, /* special = 0 */
- {0x8efd, "IBM 7568 Industrial Computer SCSI Adapter w/Cache"}, /* special = 1 */
- {0x8ef8, "IBM Expansion Unit SCSI Controller"}, /* special = 2 */
- {0x8eff, "IBM SCSI Adapter w/Cache"}, /* special = 3 */
- {0x8efe, "IBM SCSI Adapter"}, /* special = 4 */
+static short ibmmca_id_table[] = {
+ 0x8efc,
+ 0x8efd,
+ 0x8ef8,
+ 0x8eff,
+ 0x8efe,
+ /* No entry for integrated SCSI, that's part of the register */
+ 0
+};
+
+static const char *ibmmca_description[] = {
+ "IBM SCSI-2 F/W Adapter", /* special = 0 */
+ "IBM 7568 Industrial Computer SCSI Adapter w/Cache", /* special = 1 */
+ "IBM Expansion Unit SCSI Controller", /* special = 2 */
+ "IBM SCSI Adapter w/Cache", /* special = 3 */
+ "IBM SCSI Adapter", /* special = 4 */
+ "IBM Integrated SCSI Controller", /* special = 5 */
};
/* Max number of logical devices (can be up from 0 to 14). 15 is the address
@@ -375,30 +388,30 @@ struct ibmmca_hostdata {
};
/* macros to access host data structure */
-#define subsystem_pun(hi) (hosts[(hi)]->this_id)
-#define subsystem_maxid(hi) (hosts[(hi)]->max_id)
-#define ld(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_ld)
-#define get_ldn(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_get_ldn)
-#define get_scsi(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_get_scsi)
-#define local_checking_phase_flag(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_local_checking_phase_flag)
-#define got_interrupt(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_got_interrupt)
-#define stat_result(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_stat_result)
-#define reset_status(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_reset_status)
-#define last_scsi_command(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_last_scsi_command)
-#define last_scsi_type(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_last_scsi_type)
-#define last_scsi_blockcount(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_last_scsi_blockcount)
-#define last_scsi_logical_block(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_last_scsi_logical_block)
-#define last_scsi_type(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_last_scsi_type)
-#define next_ldn(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_next_ldn)
-#define IBM_DS(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_IBM_DS)
-#define special(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_special)
-#define subsystem_connector_size(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_connector_size)
-#define adapter_speed(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_adapter_speed)
-#define pos2(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_pos[2])
-#define pos3(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_pos[3])
-#define pos4(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_pos[4])
-#define pos5(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_pos[5])
-#define pos6(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_pos[6])
+#define subsystem_pun(h) ((h)->this_id)
+#define subsystem_maxid(h) ((h)->max_id)
+#define ld(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_ld)
+#define get_ldn(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_get_ldn)
+#define get_scsi(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_get_scsi)
+#define local_checking_phase_flag(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_local_checking_phase_flag)
+#define got_interrupt(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_got_interrupt)
+#define stat_result(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_stat_result)
+#define reset_status(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_reset_status)
+#define last_scsi_command(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_last_scsi_command)
+#define last_scsi_type(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_last_scsi_type)
+#define last_scsi_blockcount(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_last_scsi_blockcount)
+#define last_scsi_logical_block(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_last_scsi_logical_block)
+#define last_scsi_type(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_last_scsi_type)
+#define next_ldn(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_next_ldn)
+#define IBM_DS(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_IBM_DS)
+#define special(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_special)
+#define subsystem_connector_size(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_connector_size)
+#define adapter_speed(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_adapter_speed)
+#define pos2(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_pos[2])
+#define pos3(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_pos[3])
+#define pos4(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_pos[4])
+#define pos5(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_pos[5])
+#define pos6(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_pos[6])
/* Define a arbitrary number as subsystem-marker-type. This number is, as
described in the ANSI-SCSI-standard, not occupied by other device-types. */
@@ -459,11 +472,6 @@ MODULE_LICENSE("GPL");
/*counter of concurrent disk read/writes, to turn on/off disk led */
static int disk_rw_in_progress = 0;
-/* host information */
-static int found = 0;
-static struct Scsi_Host *hosts[IM_MAX_HOSTS + 1] = {
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
-};
static unsigned int pos[8]; /* whole pos register-line for diagnosis */
/* Taking into account the additions, made by ZP Gu.
* This selects now the preset value from the configfile and
@@ -474,70 +482,68 @@ static char ibm_ansi_order = 1;
static char ibm_ansi_order = 0;
#endif
-static void issue_cmd(int, unsigned long, unsigned char);
+static void issue_cmd(struct Scsi_Host *, unsigned long, unsigned char);
static void internal_done(Scsi_Cmnd * cmd);
-static void check_devices(int, int);
-static int immediate_assign(int, unsigned int, unsigned int, unsigned int, unsigned int);
-static int immediate_feature(int, unsigned int, unsigned int);
+static void check_devices(struct Scsi_Host *, int);
+static int immediate_assign(struct Scsi_Host *, unsigned int, unsigned int, unsigned int, unsigned int);
+static int immediate_feature(struct Scsi_Host *, unsigned int, unsigned int);
#ifdef CONFIG_IBMMCA_SCSI_DEV_RESET
-static int immediate_reset(int, unsigned int);
+static int immediate_reset(struct Scsi_Host *, unsigned int);
#endif
-static int device_inquiry(int, int);
-static int read_capacity(int, int);
-static int get_pos_info(int);
+static int device_inquiry(struct Scsi_Host *, int);
+static int read_capacity(struct Scsi_Host *, int);
+static int get_pos_info(struct Scsi_Host *);
static char *ti_p(int);
static char *ti_l(int);
static char *ibmrate(unsigned int, int);
static int probe_display(int);
-static int probe_bus_mode(int);
-static int device_exists(int, int, int *, int *);
-static struct Scsi_Host *ibmmca_register(struct scsi_host_template *, int, int, int, char *);
+static int probe_bus_mode(struct Scsi_Host *);
+static int device_exists(struct Scsi_Host *, int, int *, int *);
static int option_setup(char *);
/* local functions needed for proc_info */
-static int ldn_access_load(int, int);
-static int ldn_access_total_read_write(int);
+static int ldn_access_load(struct Scsi_Host *, int);
+static int ldn_access_total_read_write(struct Scsi_Host *);
static irqreturn_t interrupt_handler(int irq, void *dev_id)
{
- int host_index, ihost_index;
unsigned int intr_reg;
unsigned int cmd_result;
unsigned int ldn;
+ unsigned long flags;
Scsi_Cmnd *cmd;
int lastSCSI;
- struct Scsi_Host *dev = dev_id;
+ struct device *dev = dev_id;
+ struct Scsi_Host *shpnt = dev_get_drvdata(dev);
- spin_lock(dev->host_lock);
- /* search for one adapter-response on shared interrupt */
- for (host_index = 0; hosts[host_index] && !(inb(IM_STAT_REG(host_index)) & IM_INTR_REQUEST); host_index++);
- /* return if some other device on this IRQ caused the interrupt */
- if (!hosts[host_index]) {
- spin_unlock(dev->host_lock);
+ spin_lock_irqsave(shpnt->host_lock, flags);
+
+ if(!(inb(IM_STAT_REG(shpnt)) & IM_INTR_REQUEST)) {
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
return IRQ_NONE;
}
/* the reset-function already did all the job, even ints got
renabled on the subsystem, so just return */
- if ((reset_status(host_index) == IM_RESET_NOT_IN_PROGRESS_NO_INT) || (reset_status(host_index) == IM_RESET_FINISHED_OK_NO_INT)) {
- reset_status(host_index) = IM_RESET_NOT_IN_PROGRESS;
- spin_unlock(dev->host_lock);
+ if ((reset_status(shpnt) == IM_RESET_NOT_IN_PROGRESS_NO_INT) || (reset_status(shpnt) == IM_RESET_FINISHED_OK_NO_INT)) {
+ reset_status(shpnt) = IM_RESET_NOT_IN_PROGRESS;
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
return IRQ_HANDLED;
}
/*must wait for attention reg not busy, then send EOI to subsystem */
while (1) {
- if (!(inb(IM_STAT_REG(host_index)) & IM_BUSY))
+ if (!(inb(IM_STAT_REG(shpnt)) & IM_BUSY))
break;
cpu_relax();
}
- ihost_index = host_index;
+
/*get command result and logical device */
- intr_reg = (unsigned char) (inb(IM_INTR_REG(ihost_index)));
+ intr_reg = (unsigned char) (inb(IM_INTR_REG(shpnt)));
cmd_result = intr_reg & 0xf0;
ldn = intr_reg & 0x0f;
/* get the last_scsi_command here */
- lastSCSI = last_scsi_command(ihost_index)[ldn];
- outb(IM_EOI | ldn, IM_ATTN_REG(ihost_index));
+ lastSCSI = last_scsi_command(shpnt)[ldn];
+ outb(IM_EOI | ldn, IM_ATTN_REG(shpnt));
/*these should never happen (hw fails, or a local programming bug) */
if (!global_command_error_excuse) {
@@ -547,38 +553,38 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id)
case IM_SOFTWARE_SEQUENCING_ERROR:
case IM_CMD_ERROR:
printk(KERN_ERR "IBM MCA SCSI: Fatal Subsystem ERROR!\n");
- printk(KERN_ERR " Last cmd=0x%x, ena=%x, len=", lastSCSI, ld(ihost_index)[ldn].scb.enable);
- if (ld(ihost_index)[ldn].cmd)
- printk("%ld/%ld,", (long) (ld(ihost_index)[ldn].cmd->request_bufflen), (long) (ld(ihost_index)[ldn].scb.sys_buf_length));
+ printk(KERN_ERR " Last cmd=0x%x, ena=%x, len=", lastSCSI, ld(shpnt)[ldn].scb.enable);
+ if (ld(shpnt)[ldn].cmd)
+ printk("%ld/%ld,", (long) (scsi_bufflen(ld(shpnt)[ldn].cmd)), (long) (ld(shpnt)[ldn].scb.sys_buf_length));
else
printk("none,");
- if (ld(ihost_index)[ldn].cmd)
- printk("Blocksize=%d", ld(ihost_index)[ldn].scb.u2.blk.length);
+ if (ld(shpnt)[ldn].cmd)
+ printk("Blocksize=%d", ld(shpnt)[ldn].scb.u2.blk.length);
else
printk("Blocksize=none");
- printk(", host=0x%x, ldn=0x%x\n", ihost_index, ldn);
- if (ld(ihost_index)[ldn].cmd) {
- printk(KERN_ERR "Blockcount=%d/%d\n", last_scsi_blockcount(ihost_index)[ldn], ld(ihost_index)[ldn].scb.u2.blk.count);
- printk(KERN_ERR "Logical block=%lx/%lx\n", last_scsi_logical_block(ihost_index)[ldn], ld(ihost_index)[ldn].scb.u1.log_blk_adr);
+ printk(", host=%p, ldn=0x%x\n", shpnt, ldn);
+ if (ld(shpnt)[ldn].cmd) {
+ printk(KERN_ERR "Blockcount=%d/%d\n", last_scsi_blockcount(shpnt)[ldn], ld(shpnt)[ldn].scb.u2.blk.count);
+ printk(KERN_ERR "Logical block=%lx/%lx\n", last_scsi_logical_block(shpnt)[ldn], ld(shpnt)[ldn].scb.u1.log_blk_adr);
}
printk(KERN_ERR "Reason given: %s\n", (cmd_result == IM_ADAPTER_HW_FAILURE) ? "HARDWARE FAILURE" : (cmd_result == IM_SOFTWARE_SEQUENCING_ERROR) ? "SOFTWARE SEQUENCING ERROR" : (cmd_result == IM_CMD_ERROR) ? "COMMAND ERROR" : "UNKNOWN");
/* if errors appear, enter this section to give detailed info */
printk(KERN_ERR "IBM MCA SCSI: Subsystem Error-Status follows:\n");
- printk(KERN_ERR " Command Type................: %x\n", last_scsi_type(ihost_index)[ldn]);
- printk(KERN_ERR " Attention Register..........: %x\n", inb(IM_ATTN_REG(ihost_index)));
- printk(KERN_ERR " Basic Control Register......: %x\n", inb(IM_CTR_REG(ihost_index)));
+ printk(KERN_ERR " Command Type................: %x\n", last_scsi_type(shpnt)[ldn]);
+ printk(KERN_ERR " Attention Register..........: %x\n", inb(IM_ATTN_REG(shpnt)));
+ printk(KERN_ERR " Basic Control Register......: %x\n", inb(IM_CTR_REG(shpnt)));
printk(KERN_ERR " Interrupt Status Register...: %x\n", intr_reg);
- printk(KERN_ERR " Basic Status Register.......: %x\n", inb(IM_STAT_REG(ihost_index)));
- if ((last_scsi_type(ihost_index)[ldn] == IM_SCB) || (last_scsi_type(ihost_index)[ldn] == IM_LONG_SCB)) {
- printk(KERN_ERR " SCB-Command.................: %x\n", ld(ihost_index)[ldn].scb.command);
- printk(KERN_ERR " SCB-Enable..................: %x\n", ld(ihost_index)[ldn].scb.enable);
- printk(KERN_ERR " SCB-logical block address...: %lx\n", ld(ihost_index)[ldn].scb.u1.log_blk_adr);
- printk(KERN_ERR " SCB-system buffer address...: %lx\n", ld(ihost_index)[ldn].scb.sys_buf_adr);
- printk(KERN_ERR " SCB-system buffer length....: %lx\n", ld(ihost_index)[ldn].scb.sys_buf_length);
- printk(KERN_ERR " SCB-tsb address.............: %lx\n", ld(ihost_index)[ldn].scb.tsb_adr);
- printk(KERN_ERR " SCB-Chain address...........: %lx\n", ld(ihost_index)[ldn].scb.scb_chain_adr);
- printk(KERN_ERR " SCB-block count.............: %x\n", ld(ihost_index)[ldn].scb.u2.blk.count);
- printk(KERN_ERR " SCB-block length............: %x\n", ld(ihost_index)[ldn].scb.u2.blk.length);
+ printk(KERN_ERR " Basic Status Register.......: %x\n", inb(IM_STAT_REG(shpnt)));
+ if ((last_scsi_type(shpnt)[ldn] == IM_SCB) || (last_scsi_type(shpnt)[ldn] == IM_LONG_SCB)) {
+ printk(KERN_ERR " SCB-Command.................: %x\n", ld(shpnt)[ldn].scb.command);
+ printk(KERN_ERR " SCB-Enable..................: %x\n", ld(shpnt)[ldn].scb.enable);
+ printk(KERN_ERR " SCB-logical block address...: %lx\n", ld(shpnt)[ldn].scb.u1.log_blk_adr);
+ printk(KERN_ERR " SCB-system buffer address...: %lx\n", ld(shpnt)[ldn].scb.sys_buf_adr);
+ printk(KERN_ERR " SCB-system buffer length....: %lx\n", ld(shpnt)[ldn].scb.sys_buf_length);
+ printk(KERN_ERR " SCB-tsb address.............: %lx\n", ld(shpnt)[ldn].scb.tsb_adr);
+ printk(KERN_ERR " SCB-Chain address...........: %lx\n", ld(shpnt)[ldn].scb.scb_chain_adr);
+ printk(KERN_ERR " SCB-block count.............: %x\n", ld(shpnt)[ldn].scb.u2.blk.count);
+ printk(KERN_ERR " SCB-block length............: %x\n", ld(shpnt)[ldn].scb.u2.blk.length);
}
printk(KERN_ERR " Send this report to the maintainer.\n");
panic("IBM MCA SCSI: Fatal error message from the subsystem (0x%X,0x%X)!\n", lastSCSI, cmd_result);
@@ -600,72 +606,73 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id)
}
}
/* if no panic appeared, increase the interrupt-counter */
- IBM_DS(ihost_index).total_interrupts++;
+ IBM_DS(shpnt).total_interrupts++;
/*only for local checking phase */
- if (local_checking_phase_flag(ihost_index)) {
- stat_result(ihost_index) = cmd_result;
- got_interrupt(ihost_index) = 1;
- reset_status(ihost_index) = IM_RESET_FINISHED_OK;
- last_scsi_command(ihost_index)[ldn] = NO_SCSI;
- spin_unlock(dev->host_lock);
+ if (local_checking_phase_flag(shpnt)) {
+ stat_result(shpnt) = cmd_result;
+ got_interrupt(shpnt) = 1;
+ reset_status(shpnt) = IM_RESET_FINISHED_OK;
+ last_scsi_command(shpnt)[ldn] = NO_SCSI;
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
return IRQ_HANDLED;
}
/* handling of commands coming from upper level of scsi driver */
- if (last_scsi_type(ihost_index)[ldn] == IM_IMM_CMD) {
+ if (last_scsi_type(shpnt)[ldn] == IM_IMM_CMD) {
/* verify ldn, and may handle rare reset immediate command */
- if ((reset_status(ihost_index) == IM_RESET_IN_PROGRESS) && (last_scsi_command(ihost_index)[ldn] == IM_RESET_IMM_CMD)) {
+ if ((reset_status(shpnt) == IM_RESET_IN_PROGRESS) && (last_scsi_command(shpnt)[ldn] == IM_RESET_IMM_CMD)) {
if (cmd_result == IM_CMD_COMPLETED_WITH_FAILURE) {
disk_rw_in_progress = 0;
PS2_DISK_LED_OFF();
- reset_status(ihost_index) = IM_RESET_FINISHED_FAIL;
+ reset_status(shpnt) = IM_RESET_FINISHED_FAIL;
} else {
/*reset disk led counter, turn off disk led */
disk_rw_in_progress = 0;
PS2_DISK_LED_OFF();
- reset_status(ihost_index) = IM_RESET_FINISHED_OK;
+ reset_status(shpnt) = IM_RESET_FINISHED_OK;
}
- stat_result(ihost_index) = cmd_result;
- last_scsi_command(ihost_index)[ldn] = NO_SCSI;
- last_scsi_type(ihost_index)[ldn] = 0;
- spin_unlock(dev->host_lock);
+ stat_result(shpnt) = cmd_result;
+ last_scsi_command(shpnt)[ldn] = NO_SCSI;
+ last_scsi_type(shpnt)[ldn] = 0;
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
return IRQ_HANDLED;
- } else if (last_scsi_command(ihost_index)[ldn] == IM_ABORT_IMM_CMD) {
+ } else if (last_scsi_command(shpnt)[ldn] == IM_ABORT_IMM_CMD) {
/* react on SCSI abort command */
#ifdef IM_DEBUG_PROBE
printk("IBM MCA SCSI: Interrupt from SCSI-abort.\n");
#endif
disk_rw_in_progress = 0;
PS2_DISK_LED_OFF();
- cmd = ld(ihost_index)[ldn].cmd;
- ld(ihost_index)[ldn].cmd = NULL;
+ cmd = ld(shpnt)[ldn].cmd;
+ ld(shpnt)[ldn].cmd = NULL;
if (cmd_result == IM_CMD_COMPLETED_WITH_FAILURE)
cmd->result = DID_NO_CONNECT << 16;
else
cmd->result = DID_ABORT << 16;
- stat_result(ihost_index) = cmd_result;
- last_scsi_command(ihost_index)[ldn] = NO_SCSI;
- last_scsi_type(ihost_index)[ldn] = 0;
+ stat_result(shpnt) = cmd_result;
+ last_scsi_command(shpnt)[ldn] = NO_SCSI;
+ last_scsi_type(shpnt)[ldn] = 0;
if (cmd->scsi_done)
(cmd->scsi_done) (cmd); /* should be the internal_done */
- spin_unlock(dev->host_lock);
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
return IRQ_HANDLED;
} else {
disk_rw_in_progress = 0;
PS2_DISK_LED_OFF();
- reset_status(ihost_index) = IM_RESET_FINISHED_OK;
- stat_result(ihost_index) = cmd_result;
- last_scsi_command(ihost_index)[ldn] = NO_SCSI;
- spin_unlock(dev->host_lock);
+ reset_status(shpnt) = IM_RESET_FINISHED_OK;
+ stat_result(shpnt) = cmd_result;
+ last_scsi_command(shpnt)[ldn] = NO_SCSI;
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
return IRQ_HANDLED;
}
}
- last_scsi_command(ihost_index)[ldn] = NO_SCSI;
- last_scsi_type(ihost_index)[ldn] = 0;
- cmd = ld(ihost_index)[ldn].cmd;
- ld(ihost_index)[ldn].cmd = NULL;
+ last_scsi_command(shpnt)[ldn] = NO_SCSI;
+ last_scsi_type(shpnt)[ldn] = 0;
+ cmd = ld(shpnt)[ldn].cmd;
+ ld(shpnt)[ldn].cmd = NULL;
#ifdef IM_DEBUG_TIMEOUT
if (cmd) {
if ((cmd->target == TIMEOUT_PUN) && (cmd->device->lun == TIMEOUT_LUN)) {
+ spin_unlock_irqsave(shpnt->host_lock, flags);
printk("IBM MCA SCSI: Ignoring interrupt from pun=%x, lun=%x.\n", cmd->target, cmd->device->lun);
return IRQ_HANDLED;
}
@@ -674,15 +681,15 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id)
/*if no command structure, just return, else clear cmd */
if (!cmd)
{
- spin_unlock(dev->host_lock);
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
return IRQ_HANDLED;
}
#ifdef IM_DEBUG_INT
- printk("cmd=%02x ireg=%02x ds=%02x cs=%02x de=%02x ce=%02x\n", cmd->cmnd[0], intr_reg, ld(ihost_index)[ldn].tsb.dev_status, ld(ihost_index)[ldn].tsb.cmd_status, ld(ihost_index)[ldn].tsb.dev_error, ld(ihost_index)[ldn].tsb.cmd_error);
+ printk("cmd=%02x ireg=%02x ds=%02x cs=%02x de=%02x ce=%02x\n", cmd->cmnd[0], intr_reg, ld(shpnt)[ldn].tsb.dev_status, ld(shpnt)[ldn].tsb.cmd_status, ld(shpnt)[ldn].tsb.dev_error, ld(shpnt)[ldn].tsb.cmd_error);
#endif
/*if this is end of media read/write, may turn off PS/2 disk led */
- if ((ld(ihost_index)[ldn].device_type != TYPE_NO_LUN) && (ld(ihost_index)[ldn].device_type != TYPE_NO_DEVICE)) {
+ if ((ld(shpnt)[ldn].device_type != TYPE_NO_LUN) && (ld(shpnt)[ldn].device_type != TYPE_NO_DEVICE)) {
/* only access this, if there was a valid device addressed */
if (--disk_rw_in_progress == 0)
PS2_DISK_LED_OFF();
@@ -693,8 +700,8 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id)
* adapters do not support CMD_TERMINATED, TASK_SET_FULL and
* ACA_ACTIVE as returning statusbyte information. (ML) */
if (cmd_result == IM_CMD_COMPLETED_WITH_FAILURE) {
- cmd->result = (unsigned char) (ld(ihost_index)[ldn].tsb.dev_status & 0x1e);
- IBM_DS(ihost_index).total_errors++;
+ cmd->result = (unsigned char) (ld(shpnt)[ldn].tsb.dev_status & 0x1e);
+ IBM_DS(shpnt).total_errors++;
} else
cmd->result = 0;
/* write device status into cmd->result, and call done function */
@@ -705,24 +712,25 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id)
cmd->result |= DID_OK << 16;
if (cmd->scsi_done)
(cmd->scsi_done) (cmd);
- spin_unlock(dev->host_lock);
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
return IRQ_HANDLED;
}
-static void issue_cmd(int host_index, unsigned long cmd_reg, unsigned char attn_reg)
+static void issue_cmd(struct Scsi_Host *shpnt, unsigned long cmd_reg,
+ unsigned char attn_reg)
{
unsigned long flags;
/* must wait for attention reg not busy */
while (1) {
- spin_lock_irqsave(hosts[host_index]->host_lock, flags);
- if (!(inb(IM_STAT_REG(host_index)) & IM_BUSY))
+ spin_lock_irqsave(shpnt->host_lock, flags);
+ if (!(inb(IM_STAT_REG(shpnt)) & IM_BUSY))
break;
- spin_unlock_irqrestore(hosts[host_index]->host_lock, flags);
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
}
/* write registers and enable system interrupts */
- outl(cmd_reg, IM_CMD_REG(host_index));
- outb(attn_reg, IM_ATTN_REG(host_index));
- spin_unlock_irqrestore(hosts[host_index]->host_lock, flags);
+ outl(cmd_reg, IM_CMD_REG(shpnt));
+ outb(attn_reg, IM_ATTN_REG(shpnt));
+ spin_unlock_irqrestore(shpnt->host_lock, flags);
}
static void internal_done(Scsi_Cmnd * cmd)
@@ -732,34 +740,34 @@ static void internal_done(Scsi_Cmnd * cmd)
}
/* SCSI-SCB-command for device_inquiry */
-static int device_inquiry(int host_index, int ldn)
+static int device_inquiry(struct Scsi_Host *shpnt, int ldn)
{
int retr;
struct im_scb *scb;
struct im_tsb *tsb;
unsigned char *buf;
- scb = &(ld(host_index)[ldn].scb);
- tsb = &(ld(host_index)[ldn].tsb);
- buf = (unsigned char *) (&(ld(host_index)[ldn].buf));
- ld(host_index)[ldn].tsb.dev_status = 0; /* prepare statusblock */
+ scb = &(ld(shpnt)[ldn].scb);
+ tsb = &(ld(shpnt)[ldn].tsb);
+ buf = (unsigned char *) (&(ld(shpnt)[ldn].buf));
+ ld(shpnt)[ldn].tsb.dev_status = 0; /* prepare statusblock */
for (retr = 0; retr < 3; retr++) {
/* fill scb with inquiry command */
scb->command = IM_DEVICE_INQUIRY_CMD | IM_NO_DISCONNECT;
scb->enable = IM_REPORT_TSB_ONLY_ON_ERROR | IM_READ_CONTROL | IM_SUPRESS_EXCEPTION_SHORT | IM_RETRY_ENABLE | IM_BYPASS_BUFFER;
- last_scsi_command(host_index)[ldn] = IM_DEVICE_INQUIRY_CMD;
- last_scsi_type(host_index)[ldn] = IM_SCB;
+ last_scsi_command(shpnt)[ldn] = IM_DEVICE_INQUIRY_CMD;
+ last_scsi_type(shpnt)[ldn] = IM_SCB;
scb->sys_buf_adr = isa_virt_to_bus(buf);
scb->sys_buf_length = 255; /* maximum bufferlength gives max info */
scb->tsb_adr = isa_virt_to_bus(tsb);
/* issue scb to passed ldn, and busy wait for interrupt */
- got_interrupt(host_index) = 0;
- issue_cmd(host_index, isa_virt_to_bus(scb), IM_SCB | ldn);
- while (!got_interrupt(host_index))
+ got_interrupt(shpnt) = 0;
+ issue_cmd(shpnt, isa_virt_to_bus(scb), IM_SCB | ldn);
+ while (!got_interrupt(shpnt))
barrier();
/*if command successful, break */
- if ((stat_result(host_index) == IM_SCB_CMD_COMPLETED) || (stat_result(host_index) == IM_SCB_CMD_COMPLETED_WITH_RETRIES))
+ if ((stat_result(shpnt) == IM_SCB_CMD_COMPLETED) || (stat_result(shpnt) == IM_SCB_CMD_COMPLETED_WITH_RETRIES))
return 1;
}
/*if all three retries failed, return "no device at this ldn" */
@@ -769,34 +777,34 @@ static int device_inquiry(int host_index, int ldn)
return 1;
}
-static int read_capacity(int host_index, int ldn)
+static int read_capacity(struct Scsi_Host *shpnt, int ldn)
{
int retr;
struct im_scb *scb;
struct im_tsb *tsb;
unsigned char *buf;
- scb = &(ld(host_index)[ldn].scb);
- tsb = &(ld(host_index)[ldn].tsb);
- buf = (unsigned char *) (&(ld(host_index)[ldn].buf));
- ld(host_index)[ldn].tsb.dev_status = 0;
+ scb = &(ld(shpnt)[ldn].scb);
+ tsb = &(ld(shpnt)[ldn].tsb);
+ buf = (unsigned char *) (&(ld(shpnt)[ldn].buf));
+ ld(shpnt)[ldn].tsb.dev_status = 0;
for (retr = 0; retr < 3; retr++) {
/*fill scb with read capacity command */
scb->command = IM_READ_CAPACITY_CMD;
scb->enable = IM_REPORT_TSB_ONLY_ON_ERROR | IM_READ_CONTROL | IM_RETRY_ENABLE | IM_BYPASS_BUFFER;
- last_scsi_command(host_index)[ldn] = IM_READ_CAPACITY_CMD;
- last_scsi_type(host_index)[ldn] = IM_SCB;
+ last_scsi_command(shpnt)[ldn] = IM_READ_CAPACITY_CMD;
+ last_scsi_type(shpnt)[ldn] = IM_SCB;
scb->sys_buf_adr = isa_virt_to_bus(buf);
scb->sys_buf_length = 8;
scb->tsb_adr = isa_virt_to_bus(tsb);
/*issue scb to passed ldn, and busy wait for interrupt */
- got_interrupt(host_index) = 0;
- issue_cmd(host_index, isa_virt_to_bus(scb), IM_SCB | ldn);
- while (!got_interrupt(host_index))
+ got_interrupt(shpnt) = 0;
+ issue_cmd(shpnt, isa_virt_to_bus(scb), IM_SCB | ldn);
+ while (!got_interrupt(shpnt))
barrier();
/*if got capacity, get block length and return one device found */
- if ((stat_result(host_index) == IM_SCB_CMD_COMPLETED) || (stat_result(host_index) == IM_SCB_CMD_COMPLETED_WITH_RETRIES))
+ if ((stat_result(shpnt) == IM_SCB_CMD_COMPLETED) || (stat_result(shpnt) == IM_SCB_CMD_COMPLETED_WITH_RETRIES))
return 1;
}
/*if all three retries failed, return "no device at this ldn" */
@@ -806,39 +814,39 @@ static int read_capacity(int host_index, int ldn)
return 1;
}
-static int get_pos_info(int host_index)
+static int get_pos_info(struct Scsi_Host *shpnt)
{
int retr;
struct im_scb *scb;
struct im_tsb *tsb;
unsigned char *buf;
- scb = &(ld(host_index)[MAX_LOG_DEV].scb);
- tsb = &(ld(host_index)[MAX_LOG_DEV].tsb);
- buf = (unsigned char *) (&(ld(host_index)[MAX_LOG_DEV].buf));
- ld(host_index)[MAX_LOG_DEV].tsb.dev_status = 0;
+ scb = &(ld(shpnt)[MAX_LOG_DEV].scb);
+ tsb = &(ld(shpnt)[MAX_LOG_DEV].tsb);
+ buf = (unsigned char *) (&(ld(shpnt)[MAX_LOG_DEV].buf));
+ ld(shpnt)[MAX_LOG_DEV].tsb.dev_status = 0;
for (retr = 0; retr < 3; retr++) {
/*fill scb with get_pos_info command */
scb->command = IM_GET_POS_INFO_CMD;
scb->enable = IM_READ_CONTROL | IM_REPORT_TSB_ONLY_ON_ERROR | IM_RETRY_ENABLE | IM_BYPASS_BUFFER;
- last_scsi_command(host_index)[MAX_LOG_DEV] = IM_GET_POS_INFO_CMD;
- last_scsi_type(host_index)[MAX_LOG_DEV] = IM_SCB;
+ last_scsi_command(shpnt)[MAX_LOG_DEV] = IM_GET_POS_INFO_CMD;
+ last_scsi_type(shpnt)[MAX_LOG_DEV] = IM_SCB;
scb->sys_buf_adr = isa_virt_to_bus(buf);
- if (special(host_index) == IBM_SCSI2_FW)
+ if (special(shpnt) == IBM_SCSI2_FW)
scb->sys_buf_length = 256; /* get all info from F/W adapter */
else
scb->sys_buf_length = 18; /* get exactly 18 bytes for other SCSI */
scb->tsb_adr = isa_virt_to_bus(tsb);
/*issue scb to ldn=15, and busy wait for interrupt */
- got_interrupt(host_index) = 0;
- issue_cmd(host_index, isa_virt_to_bus(scb), IM_SCB | MAX_LOG_DEV);
+ got_interrupt(shpnt) = 0;
+ issue_cmd(shpnt, isa_virt_to_bus(scb), IM_SCB | MAX_LOG_DEV);
/* FIXME: timeout */
- while (!got_interrupt(host_index))
+ while (!got_interrupt(shpnt))
barrier();
/*if got POS-stuff, get block length and return one device found */
- if ((stat_result(host_index) == IM_SCB_CMD_COMPLETED) || (stat_result(host_index) == IM_SCB_CMD_COMPLETED_WITH_RETRIES))
+ if ((stat_result(shpnt) == IM_SCB_CMD_COMPLETED) || (stat_result(shpnt) == IM_SCB_CMD_COMPLETED_WITH_RETRIES))
return 1;
}
/* if all three retries failed, return "no device at this ldn" */
@@ -851,14 +859,16 @@ static int get_pos_info(int host_index)
/* SCSI-immediate-command for assign. This functions maps/unmaps specific
ldn-numbers on SCSI (PUN,LUN). It is needed for presetting of the
subsystem and for dynamical remapping od ldns. */
-static int immediate_assign(int host_index, unsigned int pun, unsigned int lun, unsigned int ldn, unsigned int operation)
+static int immediate_assign(struct Scsi_Host *shpnt, unsigned int pun,
+ unsigned int lun, unsigned int ldn,
+ unsigned int operation)
{
int retr;
unsigned long imm_cmd;
for (retr = 0; retr < 3; retr++) {
/* select mutation level of the SCSI-adapter */
- switch (special(host_index)) {
+ switch (special(shpnt)) {
case IBM_SCSI2_FW:
imm_cmd = (unsigned long) (IM_ASSIGN_IMM_CMD);
imm_cmd |= (unsigned long) ((lun & 7) << 24);
@@ -867,7 +877,7 @@ static int immediate_assign(int host_index, unsigned int pun, unsigned int lun,
imm_cmd |= (unsigned long) ((ldn & 15) << 16);
break;
default:
- imm_cmd = inl(IM_CMD_REG(host_index));
+ imm_cmd = inl(IM_CMD_REG(shpnt));
imm_cmd &= (unsigned long) (0xF8000000); /* keep reserved bits */
imm_cmd |= (unsigned long) (IM_ASSIGN_IMM_CMD);
imm_cmd |= (unsigned long) ((lun & 7) << 24);
@@ -876,15 +886,15 @@ static int immediate_assign(int host_index, unsigned int pun, unsigned int lun,
imm_cmd |= (unsigned long) ((ldn & 15) << 16);
break;
}
- last_scsi_command(host_index)[MAX_LOG_DEV] = IM_ASSIGN_IMM_CMD;
- last_scsi_type(host_index)[MAX_LOG_DEV] = IM_IMM_CMD;
- got_interrupt(host_index) = 0;
- issue_cmd(host_index, (unsigned long) (imm_cmd), IM_IMM_CMD | MAX_LOG_DEV);
- while (!got_interrupt(host_index))
+ last_scsi_command(shpnt)[MAX_LOG_DEV] = IM_ASSIGN_IMM_CMD;
+ last_scsi_type(shpnt)[MAX_LOG_DEV] = IM_IMM_CMD;
+ got_interrupt(shpnt) = 0;
+ issue_cmd(shpnt, (unsigned long) (imm_cmd), IM_IMM_CMD | MAX_LOG_DEV);
+ while (!got_interrupt(shpnt))
barrier();
/*if command successful, break */
- if (stat_result(host_index) == IM_IMMEDIATE_CMD_COMPLETED)
+ if (stat_result(shpnt) == IM_IMMEDIATE_CMD_COMPLETED)
return 1;
}
if (retr >= 3)
@@ -893,7 +903,7 @@ static int immediate_assign(int host_index, unsigned int pun, unsigned int lun,
return 1;
}
-static int immediate_feature(int host_index, unsigned int speed, unsigned int timeout)
+static int immediate_feature(struct Scsi_Host *shpnt, unsigned int speed, unsigned int timeout)
{
int retr;
unsigned long imm_cmd;
@@ -903,16 +913,16 @@ static int immediate_feature(int host_index, unsigned int speed, unsigned int ti
imm_cmd = IM_FEATURE_CTR_IMM_CMD;
imm_cmd |= (unsigned long) ((speed & 0x7) << 29);
imm_cmd |= (unsigned long) ((timeout & 0x1fff) << 16);
- last_scsi_command(host_index)[MAX_LOG_DEV] = IM_FEATURE_CTR_IMM_CMD;
- last_scsi_type(host_index)[MAX_LOG_DEV] = IM_IMM_CMD;
- got_interrupt(host_index) = 0;
+ last_scsi_command(shpnt)[MAX_LOG_DEV] = IM_FEATURE_CTR_IMM_CMD;
+ last_scsi_type(shpnt)[MAX_LOG_DEV] = IM_IMM_CMD;
+ got_interrupt(shpnt) = 0;
/* we need to run into command errors in order to probe for the
* right speed! */
global_command_error_excuse = 1;
- issue_cmd(host_index, (unsigned long) (imm_cmd), IM_IMM_CMD | MAX_LOG_DEV);
+ issue_cmd(shpnt, (unsigned long) (imm_cmd), IM_IMM_CMD | MAX_LOG_DEV);
/* FIXME: timeout */
- while (!got_interrupt(host_index))
+ while (!got_interrupt(shpnt))
barrier();
if (global_command_error_excuse == CMD_FAIL) {
global_command_error_excuse = 0;
@@ -920,7 +930,7 @@ static int immediate_feature(int host_index, unsigned int speed, unsigned int ti
} else
global_command_error_excuse = 0;
/*if command successful, break */
- if (stat_result(host_index) == IM_IMMEDIATE_CMD_COMPLETED)
+ if (stat_result(shpnt) == IM_IMMEDIATE_CMD_COMPLETED)
return 1;
}
if (retr >= 3)
@@ -930,35 +940,35 @@ static int immediate_feature(int host_index, unsigned int speed, unsigned int ti
}
#ifdef CONFIG_IBMMCA_SCSI_DEV_RESET
-static int immediate_reset(int host_index, unsigned int ldn)
+static int immediate_reset(struct Scsi_Host *shpnt, unsigned int ldn)
{
int retries;
int ticks;
unsigned long imm_command;
for (retries = 0; retries < 3; retries++) {
- imm_command = inl(IM_CMD_REG(host_index));
+ imm_command = inl(IM_CMD_REG(shpnt));
imm_command &= (unsigned long) (0xFFFF0000); /* keep reserved bits */
imm_command |= (unsigned long) (IM_RESET_IMM_CMD);
- last_scsi_command(host_index)[ldn] = IM_RESET_IMM_CMD;
- last_scsi_type(host_index)[ldn] = IM_IMM_CMD;
- got_interrupt(host_index) = 0;
- reset_status(host_index) = IM_RESET_IN_PROGRESS;
- issue_cmd(host_index, (unsigned long) (imm_command), IM_IMM_CMD | ldn);
+ last_scsi_command(shpnt)[ldn] = IM_RESET_IMM_CMD;
+ last_scsi_type(shpnt)[ldn] = IM_IMM_CMD;
+ got_interrupt(shpnt) = 0;
+ reset_status(shpnt) = IM_RESET_IN_PROGRESS;
+ issue_cmd(shpnt, (unsigned long) (imm_command), IM_IMM_CMD | ldn);
ticks = IM_RESET_DELAY * HZ;
- while (reset_status(host_index) == IM_RESET_IN_PROGRESS && --ticks) {
+ while (reset_status(shpnt) == IM_RESET_IN_PROGRESS && --ticks) {
udelay((1 + 999 / HZ) * 1000);
barrier();
}
/* if reset did not complete, just complain */
if (!ticks) {
printk(KERN_ERR "IBM MCA SCSI: reset did not complete within %d seconds.\n", IM_RESET_DELAY);
- reset_status(host_index) = IM_RESET_FINISHED_OK;
+ reset_status(shpnt) = IM_RESET_FINISHED_OK;
/* did not work, finish */
return 1;
}
/*if command successful, break */
- if (stat_result(host_index) == IM_IMMEDIATE_CMD_COMPLETED)
+ if (stat_result(shpnt) == IM_IMMEDIATE_CMD_COMPLETED)
return 1;
}
if (retries >= 3)
@@ -1060,35 +1070,35 @@ static int probe_display(int what)
return 0;
}
-static int probe_bus_mode(int host_index)
+static int probe_bus_mode(struct Scsi_Host *shpnt)
{
struct im_pos_info *info;
int num_bus = 0;
int ldn;
- info = (struct im_pos_info *) (&(ld(host_index)[MAX_LOG_DEV].buf));
- if (get_pos_info(host_index)) {
+ info = (struct im_pos_info *) (&(ld(shpnt)[MAX_LOG_DEV].buf));
+ if (get_pos_info(shpnt)) {
if (info->connector_size & 0xf000)
- subsystem_connector_size(host_index) = 16;
+ subsystem_connector_size(shpnt) = 16;
else
- subsystem_connector_size(host_index) = 32;
+ subsystem_connector_size(shpnt) = 32;
num_bus |= (info->pos_4b & 8) >> 3;
for (ldn = 0; ldn <= MAX_LOG_DEV; ldn++) {
- if ((special(host_index) == IBM_SCSI_WCACHE) || (special(host_index) == IBM_7568_WCACHE)) {
+ if ((special(shpnt) == IBM_SCSI_WCACHE) || (special(shpnt) == IBM_7568_WCACHE)) {
if (!((info->cache_stat >> ldn) & 1))
- ld(host_index)[ldn].cache_flag = 0;
+ ld(shpnt)[ldn].cache_flag = 0;
}
if (!((info->retry_stat >> ldn) & 1))
- ld(host_index)[ldn].retry_flag = 0;
+ ld(shpnt)[ldn].retry_flag = 0;
}
#ifdef IM_DEBUG_PROBE
printk("IBM MCA SCSI: SCSI-Cache bits: ");
for (ldn = 0; ldn <= MAX_LOG_DEV; ldn++) {
- printk("%d", ld(host_index)[ldn].cache_flag);
+ printk("%d", ld(shpnt)[ldn].cache_flag);
}
printk("\nIBM MCA SCSI: SCSI-Retry bits: ");
for (ldn = 0; ldn <= MAX_LOG_DEV; ldn++) {
- printk("%d", ld(host_index)[ldn].retry_flag);
+ printk("%d", ld(shpnt)[ldn].retry_flag);
}
printk("\n");
#endif
@@ -1097,7 +1107,7 @@ static int probe_bus_mode(int host_index)
}
/* probing scsi devices */
-static void check_devices(int host_index, int adaptertype)
+static void check_devices(struct Scsi_Host *shpnt, int adaptertype)
{
int id, lun, ldn, ticks;
int count_devices; /* local counter for connected device */
@@ -1108,24 +1118,24 @@ static void check_devices(int host_index, int adaptertype)
/* assign default values to certain variables */
ticks = 0;
count_devices = 0;
- IBM_DS(host_index).dyn_flag = 0; /* normally no need for dynamical ldn management */
- IBM_DS(host_index).total_errors = 0; /* set errorcounter to 0 */
- next_ldn(host_index) = 7; /* next ldn to be assigned is 7, because 0-6 is 'hardwired' */
+ IBM_DS(shpnt).dyn_flag = 0; /* normally no need for dynamical ldn management */
+ IBM_DS(shpnt).total_errors = 0; /* set errorcounter to 0 */
+ next_ldn(shpnt) = 7; /* next ldn to be assigned is 7, because 0-6 is 'hardwired' */
/* initialize the very important driver-informational arrays/structs */
- memset(ld(host_index), 0, sizeof(ld(host_index)));
+ memset(ld(shpnt), 0, sizeof(ld(shpnt)));
for (ldn = 0; ldn <= MAX_LOG_DEV; ldn++) {
- last_scsi_command(host_index)[ldn] = NO_SCSI; /* emptify last SCSI-command storage */
- last_scsi_type(host_index)[ldn] = 0;
- ld(host_index)[ldn].cache_flag = 1;
- ld(host_index)[ldn].retry_flag = 1;
+ last_scsi_command(shpnt)[ldn] = NO_SCSI; /* emptify last SCSI-command storage */
+ last_scsi_type(shpnt)[ldn] = 0;
+ ld(shpnt)[ldn].cache_flag = 1;
+ ld(shpnt)[ldn].retry_flag = 1;
}
- memset(get_ldn(host_index), TYPE_NO_DEVICE, sizeof(get_ldn(host_index))); /* this is essential ! */
- memset(get_scsi(host_index), TYPE_NO_DEVICE, sizeof(get_scsi(host_index))); /* this is essential ! */
+ memset(get_ldn(shpnt), TYPE_NO_DEVICE, sizeof(get_ldn(shpnt))); /* this is essential ! */
+ memset(get_scsi(shpnt), TYPE_NO_DEVICE, sizeof(get_scsi(shpnt))); /* this is essential ! */
for (lun = 0; lun < 8; lun++) {
/* mark the adapter at its pun on all luns */
- get_scsi(host_index)[subsystem_pun(host_index)][lun] = TYPE_IBM_SCSI_ADAPTER;
- get_ldn(host_