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Commit 451a0b69 authored by Alan Cox's avatar Alan Cox Committed by David Woodhouse
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[PATCH] Fix ibm MCA adapter for new scsi, use mca_legacy for now

parent ff0fd342
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Showing with 25 additions and 24 deletions
drivers/scsi/ibmmca.c
View file @ 451a0b69
......@@ -39,6 +39,7 @@
#include <linux/string.h>
#include <linux/spinlock.h>
#include <linux/init.h>
#include <linux/mca-legacy.h>
#include <asm/system.h>
#include <asm/io.h>
......@@ -668,8 +669,8 @@ static void interrupt_handler(int irq, void *dev_id, struct pt_regs *regs)
ld(ihost_index)[ldn].cmd = NULL;
#ifdef IM_DEBUG_TIMEOUT
if (cmd) {
if ((cmd->target == TIMEOUT_PUN) && (cmd->lun == TIMEOUT_LUN)) {
printk("IBM MCA SCSI: Ignoring interrupt from pun=%x, lun=%x.\n", cmd->target, cmd->lun);
if ((cmd->target == TIMEOUT_PUN) && (cmd->device->lun == TIMEOUT_LUN)) {
printk("IBM MCA SCSI: Ignoring interrupt from pun=%x, lun=%x.\n", cmd->target, cmd->device->lun);
return;
}
}
......@@ -1824,7 +1825,7 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
int i;
struct scatterlist *sl;
shpnt = cmd->host;
shpnt = cmd->device->host;
/* search for the right hostadapter */
for (host_index = 0; hosts[host_index] && hosts[host_index]->host_no != shpnt->host_no; host_index++);
......@@ -1836,16 +1837,16 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
}
max_pun = subsystem_maxid(host_index);
if (ibm_ansi_order) {
target = max_pun - 1 - cmd->target;
if ((target <= subsystem_pun(host_index)) && (cmd->target <= subsystem_pun(host_index)))
target = max_pun - 1 - cmd->device->id;
if ((target <= subsystem_pun(host_index)) && (cmd->device->id <= subsystem_pun(host_index)))
target--;
else if ((target >= subsystem_pun(host_index)) && (cmd->target >= subsystem_pun(host_index)))
else if ((target >= subsystem_pun(host_index)) && (cmd->device->id >= subsystem_pun(host_index)))
target++;
} else
target = cmd->target;
target = cmd->device->id;
/* if (target,lun) is NO LUN or not existing at all, return error */
if ((get_scsi(host_index)[target][cmd->lun] == TYPE_NO_LUN) || (get_scsi(host_index)[target][cmd->lun] == TYPE_NO_DEVICE)) {
if ((get_scsi(host_index)[target][cmd->device->lun] == TYPE_NO_LUN) || (get_scsi(host_index)[target][cmd->device->lun] == TYPE_NO_DEVICE)) {
cmd->result = DID_NO_CONNECT << 16;
if (done)
done(cmd);
......@@ -1853,7 +1854,7 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
}
/*if (target,lun) unassigned, do further checks... */
ldn = get_ldn(host_index)[target][cmd->lun];
ldn = get_ldn(host_index)[target][cmd->device->lun];
if (ldn >= MAX_LOG_DEV) { /* on invalid ldn do special stuff */
if (ldn > MAX_LOG_DEV) { /* dynamical remapping if ldn unassigned */
current_ldn = next_ldn(host_index); /* stop-value for one circle */
......@@ -1864,7 +1865,7 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
next_ldn(host_index) = 7;
if (current_ldn == next_ldn(host_index)) { /* One circle done ? */
/* no non-processing ldn found */
printk("IBM MCA SCSI: Cannot assign SCSI-device dynamically!\n" " On ldn 7-14 SCSI-commands everywhere in progress.\n" " Reporting DID_NO_CONNECT for device (%d,%d).\n", target, cmd->lun);
printk("IBM MCA SCSI: Cannot assign SCSI-device dynamically!\n" " On ldn 7-14 SCSI-commands everywhere in progress.\n" " Reporting DID_NO_CONNECT for device (%d,%d).\n", target, cmd->device->lun);
cmd->result = DID_NO_CONNECT << 16; /* return no connect */
if (done)
done(cmd);
......@@ -1884,26 +1885,26 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
/* set reduced interrupt_handler-mode for checking */
local_checking_phase_flag(host_index) = 1;
/* map found ldn to pun,lun */
get_ldn(host_index)[target][cmd->lun] = next_ldn(host_index);
get_ldn(host_index)[target][cmd->device->lun] = next_ldn(host_index);
/* change ldn to the right value, that is now next_ldn */
ldn = next_ldn(host_index);
/* unassign all ldns (pun,lun,ldn does not matter for remove) */
immediate_assign(host_index, 0, 0, 0, REMOVE_LDN);
/* set only LDN for remapped device */
immediate_assign(host_index, target, cmd->lun, ldn, SET_LDN);
immediate_assign(host_index, target, cmd->device->lun, ldn, SET_LDN);
/* get device information for ld[ldn] */
if (device_exists(host_index, ldn, &ld(host_index)[ldn].block_length, &ld(host_index)[ldn].device_type)) {
ld(host_index)[ldn].cmd = NULL; /* To prevent panic set 0, because
devices that were not assigned,
should have nothing in progress. */
get_scsi(host_index)[target][cmd->lun] = ld(host_index)[ldn].device_type;
get_scsi(host_index)[target][cmd->device->lun] = ld(host_index)[ldn].device_type;
/* increase assignment counters for statistics in /proc */
IBM_DS(host_index).dynamical_assignments++;
IBM_DS(host_index).ldn_assignments[ldn]++;
} else
/* panic here, because a device, found at boottime has
vanished */
panic("IBM MCA SCSI: ldn=0x%x, SCSI-device on (%d,%d) vanished!\n", ldn, target, cmd->lun);
panic("IBM MCA SCSI: ldn=0x%x, SCSI-device on (%d,%d) vanished!\n", ldn, target, cmd->device->lun);
/* unassign again all ldns (pun,lun,ldn does not matter for remove) */
immediate_assign(host_index, 0, 0, 0, REMOVE_LDN);
/* remap all ldns, as written in the pun/lun table */
......@@ -1919,7 +1920,7 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
local_checking_phase_flag(host_index) = 0;
#ifdef IM_DEBUG_PROBE
/* Information on syslog terminal */
printk("IBM MCA SCSI: ldn=0x%x dynamically reassigned to (%d,%d).\n", ldn, target, cmd->lun);
printk("IBM MCA SCSI: ldn=0x%x dynamically reassigned to (%d,%d).\n", ldn, target, cmd->device->lun);
#endif
/* increase next_ldn for next dynamical assignment */
next_ldn(host_index)++;
......@@ -2141,7 +2142,7 @@ static int ibmmca_abort(Scsi_Cmnd * cmd)
printk("IBM MCA SCSI: Abort subroutine called...\n");
#endif
shpnt = cmd->host;
shpnt = cmd->device->host;
/* search for the right hostadapter */
for (host_index = 0; hosts[host_index] && hosts[host_index]->host_no != shpnt->host_no; host_index++);
......@@ -2149,7 +2150,7 @@ static int ibmmca_abort(Scsi_Cmnd * cmd)
cmd->result = DID_NO_CONNECT << 16;
if (cmd->scsi_done)
(cmd->scsi_done) (cmd);
shpnt = cmd->host;
shpnt = cmd->device->host;
#ifdef IM_DEBUG_PROBE
printk(KERN_DEBUG "IBM MCA SCSI: Abort adapter selection failed!\n");
#endif
......@@ -2157,17 +2158,17 @@ static int ibmmca_abort(Scsi_Cmnd * cmd)
}
max_pun = subsystem_maxid(host_index);
if (ibm_ansi_order) {
target = max_pun - 1 - cmd->target;
if ((target <= subsystem_pun(host_index)) && (cmd->target <= subsystem_pun(host_index)))
target = max_pun - 1 - cmd->device->id;
if ((target <= subsystem_pun(host_index)) && (cmd->device->id <= subsystem_pun(host_index)))
target--;
else if ((target >= subsystem_pun(host_index)) && (cmd->target >= subsystem_pun(host_index)))
else if ((target >= subsystem_pun(host_index)) && (cmd->device->id >= subsystem_pun(host_index)))
target++;
} else
target = cmd->target;
target = cmd->device->id;
/* get logical device number, and disable system interrupts */
printk(KERN_WARNING "IBM MCA SCSI: Sending abort to device pun=%d, lun=%d.\n", target, cmd->lun);
ldn = get_ldn(host_index)[target][cmd->lun];
printk(KERN_WARNING "IBM MCA SCSI: Sending abort to device pun=%d, lun=%d.\n", target, cmd->device->lun);
ldn = get_ldn(host_index)[target][cmd->device->lun];
/*if cmd for this ldn has already finished, no need to abort */
if (!ld(host_index)[ldn].cmd) {
......@@ -2242,7 +2243,7 @@ static int ibmmca_host_reset(Scsi_Cmnd * cmd)
BUG();
ticks = IM_RESET_DELAY * HZ;
shpnt = cmd->host;
shpnt = cmd->device->host;
/* search for the right hostadapter */
for (host_index = 0; hosts[host_index] && hosts[host_index]->host_no != shpnt->host_no; host_index++);
......
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