patch-2.4.22 linux-2.4.22/drivers/scsi/aacraid/aachba.c

• Lines: 257
• Date: 2003-08-25 04:44:42.000000000 -0700
• Orig file: linux-2.4.21/drivers/scsi/aacraid/aachba.c
• Orig date: 2003-06-13 07:51:36.000000000 -0700

diff -urN linux-2.4.21/drivers/scsi/aacraid/aachba.c linux-2.4.22/drivers/scsi/aacraid/aachba.c
@@ -23,6 +23,7 @@
  */
 
 #include <linux/config.h>
+#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/types.h>
@@ -224,6 +225,15 @@
 static char *aac_get_status_string(u32 status);
 #endif
 
+/*
+ *	Non dasd selection is handled entirely in aachba now
+ */	
+ 
+MODULE_PARM(nondasd, "i");
+MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
+
+static int nondasd = -1;
+
 /**
  *	aac_get_containers	-	list containers
  *	@common: adapter to probe
@@ -261,13 +271,14 @@
 				    1, 1,
 				    NULL, NULL);
 		if (status < 0 ) {
-			printk(KERN_WARNING "ProbeContainers: SendFIB failed.\n");
+			printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 			break;
 		}
 		dresp = (struct aac_mount *)fib_data(fibptr);
 
 		if ((le32_to_cpu(dresp->status) == ST_OK) &&
-		    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
+		    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
+		    (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 			fsa_dev_ptr->valid[index] = 1;
 			fsa_dev_ptr->type[index] = le32_to_cpu(dresp->mnt[0].vol);
 			fsa_dev_ptr->size[index] = le32_to_cpu(dresp->mnt[0].capacity);
@@ -332,7 +343,8 @@
 	dresp = (struct aac_mount *) fib_data(fibptr);
 
 	if ((le32_to_cpu(dresp->status) == ST_OK) &&
-	    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
+	    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
+	    (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 		fsa_dev_ptr->valid[cid] = 1;
 		fsa_dev_ptr->type[cid] = le32_to_cpu(dresp->mnt[0].vol);
 		fsa_dev_ptr->size[cid] = le32_to_cpu(dresp->mnt[0].capacity);
@@ -520,22 +532,54 @@
 			dev->name, dev->id,
 			dev->adapter_info.serial[0],
 			dev->adapter_info.serial[1]);
-	dev->pae_support = 0;
+
 	dev->nondasd_support = 0;
-	if( BITS_PER_LONG >= 64 && 
-	  (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
-		printk(KERN_INFO "%s%d: 64 Bit PAE enabled\n", dev->name, dev->id);
+	dev->raid_scsi_mode = 0;
+	if(dev->adapter_info.options & AAC_OPT_NONDASD){
+		dev->nondasd_support = 1;
+	}
+
+	/*
+	 * If the firmware supports ROMB RAID/SCSI mode and we are currently
+	 * in RAID/SCSI mode, set the flag. For now if in this mode we will
+	 * force nondasd support on. If we decide to allow the non-dasd flag
+	 * additional changes changes will have to be made to support
+	 * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
+	 * changed to support the new dev->raid_scsi_mode flag instead of
+	 * leaching off of the dev->nondasd_support flag. Also in linit.c the
+	 * function aac_detect will have to be modified where it sets up the
+	 * max number of channels based on the aac->nondasd_support flag only.
+	 */
+	if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED)
+		&& (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE))
+	{
+		dev->nondasd_support = 1;
+		dev->raid_scsi_mode = 1;
+	}
+	if (dev->raid_scsi_mode != 0)
+		printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",dev->name, dev->id);
+		
+	if (nondasd != -1)
+		dev->nondasd_support = (nondasd!=0);
+
+	if(dev->nondasd_support != 0)
+		printk(KERN_INFO "%s%d: Non-DASD support enabled\n",dev->name, dev->id);
+
+	dev->pae_support = 0;
+	if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
 		dev->pae_support = 1;
 	}
 	/* TODO - dmb temporary until fw can set this bit  */
 	dev->pae_support = (BITS_PER_LONG >= 64);
-	if(dev->pae_support != 0) {
+	if(dev->pae_support != 0) 
+	{
 		printk(KERN_INFO "%s%d: 64 Bit PAE enabled\n", dev->name, dev->id);
+		pci_set_dma_mask(dev->pdev, (dma_addr_t)0xFFFFFFFFFFFFFFFFULL);
 	}
 
-	if(dev->adapter_info.options & AAC_OPT_NONDASD){
-		dev->nondasd_support = 1;
-	}
+	fib_complete(fibptr);
+	fib_free(fibptr);
+
 	return rcode;
 }
 
@@ -554,7 +598,7 @@
 	cid =TARGET_LUN_TO_CONTAINER(scsicmd->target, scsicmd->lun);
 
 	lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
-	dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %d, t = %ld.\n", smp_processor_id(), lba, jiffies));
+	dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
 
 	if (fibptr == NULL)
 		BUG();
@@ -599,7 +643,7 @@
 	cid = TARGET_LUN_TO_CONTAINER(scsicmd->target, scsicmd->lun);
 
 	lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
-	dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %d, t = %ld.\n", smp_processor_id(), lba, jiffies));
+	dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
 	if (fibptr == NULL)
 		BUG();
 
@@ -765,7 +809,7 @@
 		lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 		count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
 	}
-	dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %lu, t = %ld.\n", smp_processor_id(), lba, jiffies));
+	dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
 	/*
 	 *	Allocate and initialize a Fib then setup a BlockWrite command
 	 */
@@ -1261,17 +1305,29 @@
 	/*
 	 * Next check the srb status
 	 */
-	switch(le32_to_cpu(srbreply->srb_status)){
+	switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
 	case SRB_STATUS_ERROR_RECOVERY:
 	case SRB_STATUS_PENDING:
 	case SRB_STATUS_SUCCESS:
 		if(scsicmd->cmnd[0] == INQUIRY ){
 			u8 b;
+			u8 b1;
 			/* We can't expose disk devices because we can't tell whether they
-			 * are the raw container drives or stand alone drives
+			 * are the raw container drives or stand alone drives.  If they have
+			 * the removable bit set then we should expose them though.
 			 */
-			b = *(u8*)scsicmd->buffer;
-			if( (b & 0x0f) == TYPE_DISK ){
+			b = (*(u8*)scsicmd->buffer)&0x1f;
+			b1 = ((u8*)scsicmd->buffer)[1];
+			if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER 
+					|| (b==TYPE_DISK && (b1&0x80)) ){
+				scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+			/*
+			 * We will allow disk devices if in RAID/SCSI mode and
+			 * the channel is 2
+			 */
+			} else if((dev->raid_scsi_mode)&&(scsicmd->channel == 2)){
+				scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+			} else {
 				scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
 			}
 		} else {
@@ -1293,6 +1349,28 @@
 			}
 			scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
 			break;
+		case INQUIRY: {
+			u8 b;
+			u8 b1;
+			/* We can't expose disk devices because we can't tell whether they
+			* are the raw container drives or stand alone drives
+			*/
+			b = (*(u8*)scsicmd->buffer)&0x0f;
+			b1 = ((u8*)scsicmd->buffer)[1];
+			if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER
+					|| (b==TYPE_DISK && (b1&0x80)) ){
+				scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+			/*
+			 * We will allow disk devices if in RAID/SCSI mode and
+			 * the channel is 2
+			 */
+			} else if((dev->raid_scsi_mode)&&(scsicmd->channel == 2)){
+				scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+			} else {
+				scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
+			}
+			break;
+		}
 		default:
 			scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
 			break;
@@ -1348,13 +1426,14 @@
 	case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
 	default:
 #ifdef AAC_DETAILED_STATUS_INFO
-		printk("aacraid: SRB ERROR (%s)\n",aac_get_status_string(le32_to_cpu(srbreply->srb_status)));
+		printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",le32_to_cpu(srbreply->srb_status&0x3f),aac_get_status_string(le32_to_cpu(srbreply->srb_status)), scsicmd->cmnd[0], le32_to_cpu(srbreply->scsi_status) );
 #endif
 		scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
 		break;
 	}
 	if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){  // Check Condition
 		int len;
+		scsicmd->result |= CHECK_CONDITION;
 		len = (srbreply->sense_data_size > sizeof(scsicmd->sense_buffer))?
 				sizeof(scsicmd->sense_buffer):srbreply->sense_data_size;
 		printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", le32_to_cpu(srbreply->status), len);
@@ -1387,6 +1466,7 @@
 	struct aac_srb *srbcmd;
 	u16 fibsize;
 	u32 flag;
+	u32 timeout;
 
 	if( scsicmd->target > 15 || scsicmd->lun > 7) {
 		scsicmd->result = DID_NO_CONNECT << 16;
@@ -1428,7 +1508,11 @@
 	srbcmd->target   = cpu_to_le32(scsicmd->target);
 	srbcmd->lun      = cpu_to_le32(scsicmd->lun);
 	srbcmd->flags    = cpu_to_le32(flag);
-	srbcmd->timeout  = cpu_to_le32(0);  // timeout not used
+	timeout = (scsicmd->timeout-jiffies)/HZ;
+	if(timeout == 0){
+		timeout = 1;
+	}
+	srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
 	srbcmd->retry_limit =cpu_to_le32(0); // Obsolete parameter
 	srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len);
 	
@@ -1533,6 +1617,7 @@
 		psg->count = cpu_to_le32(1);
 		psg->sg[0].addr = cpu_to_le32(addr);
 		psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);  
+		/* Cast to pointer from integer of different size */
 		scsicmd->SCp.ptr = (void *)addr;
 		byte_count = scsicmd->request_bufflen;
 	}
@@ -1594,6 +1679,7 @@
 		psg->sg[0].addr[1] = (u32)(le_addr>>32);
 		psg->sg[0].addr[0] = (u32)(le_addr & 0xffffffff);
 		psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);  
+		/* Cast to pointer from integer of different size */
 		scsicmd->SCp.ptr = (void *)addr;
 		byte_count = scsicmd->request_bufflen;
 	}