aachba.c

linux-2.6.15.6

	dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));

	status = fib_send(ContainerCommand, 
		  cmd_fibcontext, 
		  sizeof (struct aac_get_name),
		  FsaNormal, 
		  0, 1, 
		  (fib_callback) get_container_name_callback, 
		  (void *) scsicmd);
	
	/*
	 *	Check that the command queued to the controller
	 */
	if (status == -EINPROGRESS) 
		return 0;
		
	printk(KERN_WARNING "aac_get_container_name: fib_send failed with status: %d.\n", status);
	fib_complete(cmd_fibcontext);
	fib_free(cmd_fibcontext);
	return -1;
}

/**
 *	probe_container		-	query a logical volume
 *	@dev: device to query
 *	@cid: container identifier
 *
 *	Queries the controller about the given volume. The volume information
 *	is updated in the struct fsa_dev_info structure rather than returned.
 */
 
int probe_container(struct aac_dev *dev, int cid)
{
	struct fsa_dev_info *fsa_dev_ptr;
	int status;
	struct aac_query_mount *dinfo;
	struct aac_mount *dresp;
	struct fib * fibptr;
	unsigned instance;

	fsa_dev_ptr = dev->fsa_dev;
	instance = dev->scsi_host_ptr->unique_id;

	if (!(fibptr = fib_alloc(dev)))
		return -ENOMEM;

	fib_init(fibptr);

	dinfo = (struct aac_query_mount *)fib_data(fibptr);

	dinfo->command = cpu_to_le32(VM_NameServe);
	dinfo->count = cpu_to_le32(cid);
	dinfo->type = cpu_to_le32(FT_FILESYS);

	status = fib_send(ContainerCommand,
			    fibptr,
			    sizeof(struct aac_query_mount),
			    FsaNormal,
			    1, 1,
			    NULL, NULL);
	if (status < 0) {
		printk(KERN_WARNING "aacraid: probe_container query failed.\n");
		goto error;
	}

	dresp = (struct aac_mount *) fib_data(fibptr);

	if ((le32_to_cpu(dresp->status) == ST_OK) &&
	    (le32_to_cpu(dresp->mnt[0].vol) == CT_NONE)) {
		dinfo->command = cpu_to_le32(VM_NameServe64);
		dinfo->count = cpu_to_le32(cid);
		dinfo->type = cpu_to_le32(FT_FILESYS);

		if (fib_send(ContainerCommand,
			    fibptr,
			    sizeof(struct aac_query_mount),
			    FsaNormal,
			    1, 1,
			    NULL, NULL) < 0)
			goto error;
	} else
		dresp->mnt[0].capacityhigh = 0;

	if ((le32_to_cpu(dresp->status) == ST_OK) &&
	    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
	    (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
		fsa_dev_ptr[cid].valid = 1;
		fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol);
		fsa_dev_ptr[cid].size
		  = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
		    (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
		if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
			fsa_dev_ptr[cid].ro = 1;
	}

error:
	fib_complete(fibptr);
	fib_free(fibptr);

	return status;
}

/* Local Structure to set SCSI inquiry data strings */
struct scsi_inq {
	char vid[8];         /* Vendor ID */
	char pid[16];        /* Product ID */
	char prl[4];         /* Product Revision Level */
};

/**
 *	InqStrCopy	-	string merge
 *	@a:	string to copy from
 *	@b:	string to copy to
 *
 * 	Copy a String from one location to another
 *	without copying \0
 */

static void inqstrcpy(char *a, char *b)
{

	while(*a != (char)0) 
		*b++ = *a++;
}

static char *container_types[] = {
        "None",
        "Volume",
        "Mirror",
        "Stripe",
        "RAID5",
        "SSRW",
        "SSRO",
        "Morph",
        "Legacy",
        "RAID4",
        "RAID10",             
        "RAID00",             
        "V-MIRRORS",          
        "PSEUDO R4",          
	"RAID50",
	"RAID5D",
	"RAID5D0",
	"RAID1E",
	"RAID6",
	"RAID60",
        "Unknown"
};



/* Function: setinqstr
 *
 * Arguments: [1] pointer to void [1] int
 *
 * Purpose: Sets SCSI inquiry data strings for vendor, product
 * and revision level. Allows strings to be set in platform dependant
 * files instead of in OS dependant driver source.
 */

static void setinqstr(struct aac_dev *dev, void *data, int tindex)
{
	struct scsi_inq *str;

	str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
	memset(str, ' ', sizeof(*str));

	if (dev->supplement_adapter_info.AdapterTypeText[0]) {
		char * cp = dev->supplement_adapter_info.AdapterTypeText;
		int c = sizeof(str->vid);
		while (*cp && *cp != ' ' && --c)
			++cp;
		c = *cp;
		*cp = '\0';
		inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
		  str->vid); 
		*cp = c;
		while (*cp && *cp != ' ')
			++cp;
		while (*cp == ' ')
			++cp;
		/* last six chars reserved for vol type */
		c = 0;
		if (strlen(cp) > sizeof(str->pid)) {
			c = cp[sizeof(str->pid)];
			cp[sizeof(str->pid)] = '\0';
		}
		inqstrcpy (cp, str->pid);
		if (c)
			cp[sizeof(str->pid)] = c;
	} else {
		struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
   
		inqstrcpy (mp->vname, str->vid); 
		/* last six chars reserved for vol type */
		inqstrcpy (mp->model, str->pid);
	}

	if (tindex < (sizeof(container_types)/sizeof(char *))){
		char *findit = str->pid;

		for ( ; *findit != ' '; findit++); /* walk till we find a space */
		/* RAID is superfluous in the context of a RAID device */
		if (memcmp(findit-4, "RAID", 4) == 0)
			*(findit -= 4) = ' ';
		if (((findit - str->pid) + strlen(container_types[tindex]))
		 < (sizeof(str->pid) + sizeof(str->prl)))
			inqstrcpy (container_types[tindex], findit + 1);
	}
	inqstrcpy ("V1.0", str->prl);
}

static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
		      u8 a_sense_code, u8 incorrect_length,
		      u8 bit_pointer, u16 field_pointer,
		      u32 residue)
{
	sense_buf[0] = 0xF0;	/* Sense data valid, err code 70h (current error) */
	sense_buf[1] = 0;	/* Segment number, always zero */

	if (incorrect_length) {
		sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
		sense_buf[3] = BYTE3(residue);
		sense_buf[4] = BYTE2(residue);
		sense_buf[5] = BYTE1(residue);
		sense_buf[6] = BYTE0(residue);
	} else
		sense_buf[2] = sense_key;	/* Sense key */

	if (sense_key == ILLEGAL_REQUEST)
		sense_buf[7] = 10;	/* Additional sense length */
	else
		sense_buf[7] = 6;	/* Additional sense length */

	sense_buf[12] = sense_code;	/* Additional sense code */
	sense_buf[13] = a_sense_code;	/* Additional sense code qualifier */
	if (sense_key == ILLEGAL_REQUEST) {
		sense_buf[15] = 0;

		if (sense_code == SENCODE_INVALID_PARAM_FIELD)
			sense_buf[15] = 0x80;/* Std sense key specific field */
		/* Illegal parameter is in the parameter block */

		if (sense_code == SENCODE_INVALID_CDB_FIELD)
			sense_buf[15] = 0xc0;/* Std sense key specific field */
		/* Illegal parameter is in the CDB block */
		sense_buf[15] |= bit_pointer;
		sense_buf[16] = field_pointer >> 8;	/* MSB */
		sense_buf[17] = field_pointer;		/* LSB */
	}
}

int aac_get_adapter_info(struct aac_dev* dev)
{
	struct fib* fibptr;
	int rcode;
	u32 tmp;
	struct aac_adapter_info *info;
	struct aac_bus_info *command;
	struct aac_bus_info_response *bus_info;

	if (!(fibptr = fib_alloc(dev)))
		return -ENOMEM;

	fib_init(fibptr);
	info = (struct aac_adapter_info *) fib_data(fibptr);
	memset(info,0,sizeof(*info));

	rcode = fib_send(RequestAdapterInfo,
			 fibptr, 
			 sizeof(*info),
			 FsaNormal, 
			 -1, 1, /* First `interrupt' command uses special wait */
			 NULL, 
			 NULL);

	if (rcode < 0) {
		fib_complete(fibptr);
		fib_free(fibptr);
		return rcode;
	}
	memcpy(&dev->adapter_info, info, sizeof(*info));

	if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
		struct aac_supplement_adapter_info * info;

		fib_init(fibptr);

		info = (struct aac_supplement_adapter_info *) fib_data(fibptr);

		memset(info,0,sizeof(*info));

		rcode = fib_send(RequestSupplementAdapterInfo,
				 fibptr,
				 sizeof(*info),
				 FsaNormal,
				 1, 1,
				 NULL,
				 NULL);

		if (rcode >= 0)
			memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
	}


	/* 
	 * GetBusInfo 
	 */

	fib_init(fibptr);

	bus_info = (struct aac_bus_info_response *) fib_data(fibptr);

	memset(bus_info, 0, sizeof(*bus_info));

	command = (struct aac_bus_info *)bus_info;

	command->Command = cpu_to_le32(VM_Ioctl);
	command->ObjType = cpu_to_le32(FT_DRIVE);
	command->MethodId = cpu_to_le32(1);
	command->CtlCmd = cpu_to_le32(GetBusInfo);

	rcode = fib_send(ContainerCommand,
			 fibptr,
			 sizeof (*bus_info),
			 FsaNormal,
			 1, 1,
			 NULL, NULL);

	if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
		dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
		dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
	}

	tmp = le32_to_cpu(dev->adapter_info.kernelrev);
	printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", 
			dev->name, 
			dev->id,
			tmp>>24,
			(tmp>>16)&0xff,
			tmp&0xff,
			le32_to_cpu(dev->adapter_info.kernelbuild),
			(int)sizeof(dev->supplement_adapter_info.BuildDate),
			dev->supplement_adapter_info.BuildDate);
	tmp = le32_to_cpu(dev->adapter_info.monitorrev);
	printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", 
			dev->name, dev->id,
			tmp>>24,(tmp>>16)&0xff,tmp&0xff,
			le32_to_cpu(dev->adapter_info.monitorbuild));
	tmp = le32_to_cpu(dev->adapter_info.biosrev);
	printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", 
			dev->name, dev->id,
			tmp>>24,(tmp>>16)&0xff,tmp&0xff,
			le32_to_cpu(dev->adapter_info.biosbuild));
	if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
		printk(KERN_INFO "%s%d: serial %x\n",
			dev->name, dev->id,
			le32_to_cpu(dev->adapter_info.serial[0]));

	dev->nondasd_support = 0;
	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->dac_support = 0;
	if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
		printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
		dev->dac_support = 1;
	}

	if(dacmode != -1) {
		dev->dac_support = (dacmode!=0);
	}
	if(dev->dac_support != 0) {
		if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
			!pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
			printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
				dev->name, dev->id);
		} else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
			!pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
			printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
				dev->name, dev->id);
			dev->dac_support = 0;
		} else {
			printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
				dev->name, dev->id);
			rcode = -ENOMEM;
		}
	}
	/* 
	 * 57 scatter gather elements 
	 */
	if (!(dev->raw_io_interface)) {
		dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
			sizeof(struct aac_fibhdr) -
			sizeof(struct aac_write) + sizeof(struct sgentry)) /
				sizeof(struct sgentry);
		if (dev->dac_support) {
			/* 
			 * 38 scatter gather elements 
			 */
			dev->scsi_host_ptr->sg_tablesize =
				(dev->max_fib_size -
				sizeof(struct aac_fibhdr) -
				sizeof(struct aac_write64) +
				sizeof(struct sgentry64)) /
					sizeof(struct sgentry64);
		}
		dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
		if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
			/*
			 * Worst case size that could cause sg overflow when
			 * we break up SG elements that are larger than 64KB.