[PATCH] I2O: SPARC fixes

Fix lot of BE <-> LE bugs which prevent it from working on SPARC.

Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 61 insertions, 69 deletions

diff --git a/drivers/message/i2o/device.c b/drivers/message/i2o/device.c
index 002ae0ed8966..1db26215937f 100644
--- a/drivers/message/i2o/device.c
+++ b/drivers/message/i2o/device.c
@@ -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;
 }
 
 /*