Commit 793fd15d authored by Markus Lidel's avatar Markus Lidel Committed by Linus Torvalds
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[PATCH] I2O: SPARC fixes



Fix lot of BE <-> LE bugs which prevent it from working on SPARC.
Signed-off-by: default avatarMarkus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent a1a5ea70
......@@ -24,6 +24,18 @@ config I2O
If unsure, say N.
config I2O_LCT_NOTIFY_ON_CHANGES
bool "Enable LCT notification"
depends on I2O
default y
---help---
Only say N here if you have a I2O controller from SUN. The SUN
firmware doesn't support LCT notification on changes. If this option
is enabled on such a controller the driver will hang up in a endless
loop. On all other controllers say Y.
If unsure, say Y.
config I2O_EXT_ADAPTEC
bool "Enable Adaptec extensions"
depends on I2O
......
......@@ -341,56 +341,83 @@ int i2o_device_parse_lct(struct i2o_controller *c)
{
struct i2o_device *dev, *tmp;
i2o_lct *lct;
int i;
int max;
u32 *dlct = c->dlct.virt;
int max = 0, i = 0;
u16 table_size;
u32 buf;
down(&c->lct_lock);
kfree(c->lct);
lct = c->dlct.virt;
buf = le32_to_cpu(*dlct++);
table_size = buf & 0xffff;
c->lct = kmalloc(lct->table_size * 4, GFP_KERNEL);
if (!c->lct) {
lct = c->lct = kmalloc(table_size * 4, GFP_KERNEL);
if (!lct) {
up(&c->lct_lock);
return -ENOMEM;
}
if (lct->table_size * 4 > c->dlct.len) {
memcpy(c->lct, c->dlct.virt, c->dlct.len);
up(&c->lct_lock);
return -EAGAIN;
}
memcpy(c->lct, c->dlct.virt, lct->table_size * 4);
lct->lct_ver = buf >> 28;
lct->boot_tid = buf >> 16 & 0xfff;
lct->table_size = table_size;
lct->change_ind = le32_to_cpu(*dlct++);
lct->iop_flags = le32_to_cpu(*dlct++);
lct = c->lct;
max = (lct->table_size - 3) / 9;
table_size -= 3;
pr_debug("%s: LCT has %d entries (LCT size: %d)\n", c->name, max,
lct->table_size);
/* remove devices, which are not in the LCT anymore */
list_for_each_entry_safe(dev, tmp, &c->devices, list) {
while (table_size > 0) {
i2o_lct_entry *entry = &lct->lct_entry[max];
int found = 0;
for (i = 0; i < max; i++) {
if (lct->lct_entry[i].tid == dev->lct_data.tid) {
buf = le32_to_cpu(*dlct++);
entry->entry_size = buf & 0xffff;
entry->tid = buf >> 16 & 0xfff;
entry->change_ind = le32_to_cpu(*dlct++);
entry->device_flags = le32_to_cpu(*dlct++);
buf = le32_to_cpu(*dlct++);
entry->class_id = buf & 0xfff;
entry->version = buf >> 12 & 0xf;
entry->vendor_id = buf >> 16;
entry->sub_class = le32_to_cpu(*dlct++);
buf = le32_to_cpu(*dlct++);
entry->user_tid = buf & 0xfff;
entry->parent_tid = buf >> 12 & 0xfff;
entry->bios_info = buf >> 24;
memcpy(&entry->identity_tag, dlct, 8);
dlct += 2;
entry->event_capabilities = le32_to_cpu(*dlct++);
/* add new devices, which are new in the LCT */
list_for_each_entry_safe(dev, tmp, &c->devices, list) {
if (entry->tid == dev->lct_data.tid) {
found = 1;
break;
}
}
if (!found)
i2o_device_remove(dev);
i2o_device_add(c, entry);
table_size -= 9;
max++;
}
/* add new devices, which are new in the LCT */
for (i = 0; i < max; i++) {
/* remove devices, which are not in the LCT anymore */
list_for_each_entry_safe(dev, tmp, &c->devices, list) {
int found = 0;
list_for_each_entry_safe(dev, tmp, &c->devices, list) {
for (i = 0; i < max; i++) {
if (lct->lct_entry[i].tid == dev->lct_data.tid) {
found = 1;
break;
......@@ -398,8 +425,9 @@ int i2o_device_parse_lct(struct i2o_controller *c)
}
if (!found)
i2o_device_add(c, &lct->lct_entry[i]);
i2o_device_remove(dev);
}
up(&c->lct_lock);
return 0;
......@@ -422,9 +450,6 @@ int i2o_parm_issue(struct i2o_device *i2o_dev, int cmd, void *oplist,
int oplen, void *reslist, int reslen)
{
struct i2o_message *msg;
u32 *res32 = (u32 *) reslist;
u32 *restmp = (u32 *) reslist;
int len = 0;
int i = 0;
int rc;
struct i2o_dma res;
......@@ -448,7 +473,6 @@ int i2o_parm_issue(struct i2o_device *i2o_dev, int cmd, void *oplist,
msg->body[i++] = cpu_to_le32(0x00000000);
msg->body[i++] = cpu_to_le32(0x4C000000 | oplen); /* OperationList */
memcpy(&msg->body[i], oplist, oplen);
i += (oplen / 4 + (oplen % 4 ? 1 : 0));
msg->body[i++] = cpu_to_le32(0xD0000000 | res.len); /* ResultList */
msg->body[i++] = cpu_to_le32(res.phys);
......@@ -466,36 +490,7 @@ int i2o_parm_issue(struct i2o_device *i2o_dev, int cmd, void *oplist,
memcpy(reslist, res.virt, res.len);
i2o_dma_free(dev, &res);
/* Query failed */
if (rc)
return rc;
/*
* Calculate number of bytes of Result LIST
* We need to loop through each Result BLOCK and grab the length
*/
restmp = res32 + 1;
len = 1;
for (i = 0; i < (res32[0] & 0X0000FFFF); i++) {
if (restmp[0] & 0x00FF0000) { /* BlockStatus != SUCCESS */
printk(KERN_WARNING
"%s - Error:\n ErrorInfoSize = 0x%02x, "
"BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
(cmd ==
I2O_CMD_UTIL_PARAMS_SET) ? "PARAMS_SET" :
"PARAMS_GET", res32[1] >> 24,
(res32[1] >> 16) & 0xFF, res32[1] & 0xFFFF);
/*
* If this is the only request,than we return an error
*/
if ((res32[0] & 0x0000FFFF) == 1) {
return -((res32[1] >> 16) & 0xFF); /* -BlockStatus */
}
}
len += restmp[0] & 0x0000FFFF; /* Length of res BLOCK */
restmp += restmp[0] & 0x0000FFFF; /* Skip to next BLOCK */
}
return (len << 2); /* bytes used by result list */
return rc;
}
/*
......@@ -504,28 +499,25 @@ int i2o_parm_issue(struct i2o_device *i2o_dev, int cmd, void *oplist,
int i2o_parm_field_get(struct i2o_device *i2o_dev, int group, int field,
void *buf, int buflen)
{
u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field };
u32 opblk[] = { cpu_to_le32(0x00000001),
cpu_to_le32((u16) group << 16 | I2O_PARAMS_FIELD_GET),
cpu_to_le32((s16) field << 16 | 0x00000001)
};
u8 *resblk; /* 8 bytes for header */
int size;
if (field == -1) /* whole group */
opblk[4] = -1;
int rc;
resblk = kmalloc(buflen + 8, GFP_KERNEL | GFP_ATOMIC);
if (!resblk)
return -ENOMEM;
size = i2o_parm_issue(i2o_dev, I2O_CMD_UTIL_PARAMS_GET, opblk,
sizeof(opblk), resblk, buflen + 8);
rc = i2o_parm_issue(i2o_dev, I2O_CMD_UTIL_PARAMS_GET, opblk,
sizeof(opblk), resblk, buflen + 8);
memcpy(buf, resblk + 8, buflen); /* cut off header */
kfree(resblk);
if (size > buflen)
return buflen;
return size;
return rc;
}
/*
......
......@@ -77,7 +77,7 @@ static struct i2o_exec_wait *i2o_exec_wait_alloc(void)
wait = kmalloc(sizeof(*wait), GFP_KERNEL);
if (!wait)
return ERR_PTR(-ENOMEM);
return NULL;
memset(wait, 0, sizeof(*wait));
......@@ -271,8 +271,8 @@ static ssize_t i2o_exec_show_vendor_id(struct device *d,
struct i2o_device *dev = to_i2o_device(d);
u16 id;
if (i2o_parm_field_get(dev, 0x0000, 0, &id, 2)) {
sprintf(buf, "0x%04x", id);
if (!i2o_parm_field_get(dev, 0x0000, 0, &id, 2)) {
sprintf(buf, "0x%04x", le16_to_cpu(id));
return strlen(buf) + 1;
}
......@@ -293,8 +293,8 @@ static ssize_t i2o_exec_show_product_id(struct device *d,
struct i2o_device *dev = to_i2o_device(d);
u16 id;
if (i2o_parm_field_get(dev, 0x0000, 1, &id, 2)) {
sprintf(buf, "0x%04x", id);
if (!i2o_parm_field_get(dev, 0x0000, 1, &id, 2)) {
sprintf(buf, "0x%04x", le16_to_cpu(id));
return strlen(buf) + 1;
}
......@@ -364,7 +364,9 @@ static void i2o_exec_lct_modified(struct i2o_controller *c)
if (i2o_device_parse_lct(c) != -EAGAIN)
change_ind = c->lct->change_ind + 1;
#ifdef CONFIG_I2O_LCT_NOTIFY_ON_CHANGES
i2o_exec_lct_notify(c, change_ind);
#endif
};
/**
......@@ -512,7 +514,8 @@ static int i2o_exec_lct_notify(struct i2o_controller *c, u32 change_ind)
dev = &c->pdev->dev;
if (i2o_dma_realloc(dev, &c->dlct, sb->expected_lct_size, GFP_KERNEL))
if (i2o_dma_realloc
(dev, &c->dlct, le32_to_cpu(sb->expected_lct_size), GFP_KERNEL))
return -ENOMEM;
msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
......
......@@ -1050,8 +1050,8 @@ static int i2o_block_probe(struct device *dev)
int rc;
u64 size;
u32 blocksize;
u32 flags, status;
u16 body_size = 4;
u16 power;
unsigned short max_sectors;
#ifdef CONFIG_I2O_EXT_ADAPTEC
......@@ -1109,22 +1109,20 @@ static int i2o_block_probe(struct device *dev)
* Ask for the current media data. If that isn't supported
* then we ask for the device capacity data
*/
if (i2o_parm_field_get(i2o_dev, 0x0004, 1, &blocksize, 4) ||
i2o_parm_field_get(i2o_dev, 0x0000, 3, &blocksize, 4)) {
blk_queue_hardsect_size(queue, blocksize);
if (!i2o_parm_field_get(i2o_dev, 0x0004, 1, &blocksize, 4) ||
!i2o_parm_field_get(i2o_dev, 0x0000, 3, &blocksize, 4)) {
blk_queue_hardsect_size(queue, le32_to_cpu(blocksize));
} else
osm_warn("unable to get blocksize of %s\n", gd->disk_name);
if (i2o_parm_field_get(i2o_dev, 0x0004, 0, &size, 8) ||
i2o_parm_field_get(i2o_dev, 0x0000, 4, &size, 8)) {
set_capacity(gd, size >> KERNEL_SECTOR_SHIFT);
if (!i2o_parm_field_get(i2o_dev, 0x0004, 0, &size, 8) ||
!i2o_parm_field_get(i2o_dev, 0x0000, 4, &size, 8)) {
set_capacity(gd, le64_to_cpu(size) >> KERNEL_SECTOR_SHIFT);
} else
osm_warn("could not get size of %s\n", gd->disk_name);
if (!i2o_parm_field_get(i2o_dev, 0x0000, 2, &i2o_blk_dev->power, 2))
i2o_blk_dev->power = 0;
i2o_parm_field_get(i2o_dev, 0x0000, 5, &flags, 4);
i2o_parm_field_get(i2o_dev, 0x0000, 6, &status, 4);
if (!i2o_parm_field_get(i2o_dev, 0x0000, 2, &power, 2))
i2o_blk_dev->power = power;
i2o_event_register(i2o_dev, &i2o_block_driver, 0, 0xffffffff);
......
......@@ -113,7 +113,7 @@ static struct i2o_scsi_host *i2o_scsi_host_alloc(struct i2o_controller *c)
list_for_each_entry(i2o_dev, &c->devices, list)
if (i2o_dev->lct_data.class_id == I2O_CLASS_BUS_ADAPTER) {
if (i2o_parm_field_get(i2o_dev, 0x0000, 0, &type, 1)
if (!i2o_parm_field_get(i2o_dev, 0x0000, 0, &type, 1)
&& (type == 0x01)) /* SCSI bus */
max_channel++;
}
......@@ -146,7 +146,7 @@ static struct i2o_scsi_host *i2o_scsi_host_alloc(struct i2o_controller *c)
i = 0;
list_for_each_entry(i2o_dev, &c->devices, list)
if (i2o_dev->lct_data.class_id == I2O_CLASS_BUS_ADAPTER) {
if (i2o_parm_field_get(i2o_dev, 0x0000, 0, &type, 1)
if (!i2o_parm_field_get(i2o_dev, 0x0000, 0, &type, 1)
&& (type == 0x01)) /* only SCSI bus */
i2o_shost->channel[i++] = i2o_dev;
......@@ -238,13 +238,15 @@ static int i2o_scsi_probe(struct device *dev)
u8 type;
struct i2o_device *d = i2o_shost->channel[0];
if (i2o_parm_field_get(d, 0x0000, 0, &type, 1)
if (!i2o_parm_field_get(d, 0x0000, 0, &type, 1)
&& (type == 0x01)) /* SCSI bus */
if (i2o_parm_field_get(d, 0x0200, 4, &id, 4)) {
if (!i2o_parm_field_get(d, 0x0200, 4, &id, 4)) {
channel = 0;
if (i2o_dev->lct_data.class_id ==
I2O_CLASS_RANDOM_BLOCK_STORAGE)
lun = i2o_shost->lun++;
lun =
cpu_to_le64(i2o_shost->
lun++);
else
lun = 0;
}
......@@ -253,10 +255,10 @@ static int i2o_scsi_probe(struct device *dev)
break;
case I2O_CLASS_SCSI_PERIPHERAL:
if (i2o_parm_field_get(i2o_dev, 0x0000, 3, &id, 4) < 0)
if (i2o_parm_field_get(i2o_dev, 0x0000, 3, &id, 4))
return -EFAULT;
if (i2o_parm_field_get(i2o_dev, 0x0000, 4, &lun, 8) < 0)
if (i2o_parm_field_get(i2o_dev, 0x0000, 4, &lun, 8))
return -EFAULT;
parent = i2o_iop_find_device(c, i2o_dev->lct_data.parent_tid);
......@@ -281,20 +283,22 @@ static int i2o_scsi_probe(struct device *dev)
return -EFAULT;
}
if (id >= scsi_host->max_id) {
osm_warn("SCSI device id (%d) >= max_id of I2O host (%d)", id,
scsi_host->max_id);
if (le32_to_cpu(id) >= scsi_host->max_id) {
osm_warn("SCSI device id (%d) >= max_id of I2O host (%d)",
le32_to_cpu(id), scsi_host->max_id);
return -EFAULT;
}
if (lun >= scsi_host->max_lun) {
osm_warn("SCSI device id (%d) >= max_lun of I2O host (%d)",
(unsigned int)lun, scsi_host->max_lun);
if (le64_to_cpu(lun) >= scsi_host->max_lun) {
osm_warn("SCSI device lun (%lu) >= max_lun of I2O host (%d)",
(long unsigned int)le64_to_cpu(lun),
scsi_host->max_lun);
return -EFAULT;
}
scsi_dev =
__scsi_add_device(i2o_shost->scsi_host, channel, id, lun, i2o_dev);
__scsi_add_device(i2o_shost->scsi_host, channel, le32_to_cpu(id),
le64_to_cpu(lun), i2o_dev);
if (IS_ERR(scsi_dev)) {
osm_warn("can not add SCSI device %03x\n",
......@@ -306,7 +310,8 @@ static int i2o_scsi_probe(struct device *dev)
"scsi");
osm_info("device added (TID: %03x) channel: %d, id: %d, lun: %d\n",
i2o_dev->lct_data.tid, channel, id, (unsigned int)lun);
i2o_dev->lct_data.tid, channel, le32_to_cpu(id),
(unsigned int)le64_to_cpu(lun));
return 0;
};
......
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