- for (i = sgnum; i > 0; i--) {
- if (i == 1)
- sg_flags |= 0x80000000;
- writel(sg_flags | sg_dma_len(sg), mptr);
- writel(sg_dma_address(sg), mptr + 4);
- mptr += 8;
- sg++;
+#ifdef CONFIG_I2O_EXT_ADAPTEC
+ if (c->adaptec) {
+ u8 cmd[10];
+ u32 scsi_flags;
+ u16 hwsec = queue_hardsect_size(req->q) >> KERNEL_SECTOR_SHIFT;
+
+ memset(cmd, 0, 10);
+
+ sgl_offset = SGL_OFFSET_12;
+
+ msg->u.head[1] =
+ cpu_to_le32(I2O_CMD_PRIVATE << 24 | HOST_TID << 12 | tid);
+
+ *mptr++ = cpu_to_le32(I2O_VENDOR_DPT << 16 | I2O_CMD_SCSI_EXEC);
+ *mptr++ = cpu_to_le32(tid);
+
+ /*
+ * ENABLE_DISCONNECT
+ * SIMPLE_TAG
+ * RETURN_SENSE_DATA_IN_REPLY_MESSAGE_FRAME
+ */
+ if (rq_data_dir(req) == READ) {
+ cmd[0] = READ_10;
+ scsi_flags = 0x60a0000a;
+ } else {
+ cmd[0] = WRITE_10;
+ scsi_flags = 0xa0a0000a;
+ }
+
+ *mptr++ = cpu_to_le32(scsi_flags);
+
+ *((u32 *) & cmd[2]) = cpu_to_be32(req->sector * hwsec);
+ *((u16 *) & cmd[7]) = cpu_to_be16(req->nr_sectors * hwsec);
+
+ memcpy(mptr, cmd, 10);
+ mptr += 4;
+ *mptr++ = cpu_to_le32(req->nr_sectors << KERNEL_SECTOR_SHIFT);
+ } else
+#endif
+ {
+ msg->u.head[1] = cpu_to_le32(cmd | HOST_TID << 12 | tid);
+ *mptr++ = cpu_to_le32(ctl_flags);
+ *mptr++ = cpu_to_le32(req->nr_sectors << KERNEL_SECTOR_SHIFT);
+ *mptr++ =
+ cpu_to_le32((u32) (req->sector << KERNEL_SECTOR_SHIFT));
+ *mptr++ =
+ cpu_to_le32(req->sector >> (32 - KERNEL_SECTOR_SHIFT));
+ }
+
+ if (!i2o_block_sglist_alloc(c, ireq, &mptr)) {
+ rc = -ENOMEM;
+ goto context_remove;