1. Setting the max_sectors_per_req based on max SGL supported by the
   FW. Prior versions calculated this value from controller info's
   max_sectors_1, max_sectors_2. For certain controllers/FW, this was
   resulting in a value greater than max SGL supported by the FW. Now
   we take the min of max sgl from FW and max_sectors calculation.

2. Increased MFI_POLL_TIMEOUT_SECS to 60 seconds from 10. FW may take
   a max of 60 seconds to respond to the INIT cmd.
Signed-off-by: NBo Yang <bo.yang@lsi.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

Adding hibernation support. suspend, resume routine implemented.
Signed-off-by: NBo Yang <bo.yang@lsi.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

Signed-off-by: NMatthias Kaehlcke <matthias.kaehlcke@gmail.com>
Acked-by: NBo Yang <Bo.Yang@lsi.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

eh_timed_out call back (megasas_reset_timer) is used to throttle io
to the adapter when it is called the first time for a scmd.
The MEGASAS_FW_BUSY flag is set and can_queue reduced to 16.
The can_queue is restored from completion routine in following
two conditions : 5 seconds has elapsed and
the # of outstanding cmds in FW is < 17.
Signed-off-by: NSumant Patro <sumant.patro@lsi.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

Signed-off-by: NSumant Patro <sumant.patro@lsi.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

kernel-doc modifications:
- change "@param var" notation to @var;
- change function/description separator from ':' to '-';
- change var/description separator from '-' to ':';
- fix a few doc. typos;
- don't use kernel-doc /** lead-in when the doc. block is not kernel-doc;
- use Linux common */ ending comment format instead of **/;
- use correct function parameter names;
- place function parameters immediately after the function short description;
- place kernel-doc immediately before its function or macro;
Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com>
Acked-by: NSumant Patro <sumantp@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

This patch sets timeout of max 180 seconds for ioctl completion.
It also updates the Changelog and hikes the version to 3.05.
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

This patch adds a tasklet for command completion.
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

This patch adds function to print the pending frame details before returning
failure from the reset routine. It also exposes a new variable megasas_dbg_lvl
that allows the user to set the debug level for logging.
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

This patch adds function pointer to invoke disable interrupt for
xscale and ppc IOP based controllers. Removes old implementation that checks
for controller type in megasas_disable_intr.
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

This patch has the following enhancements :
        a. handles new transition states of FW to support controller hotplug.
        b. It reduces by 1 the maximum cmds that the driver may send to FW.
        c. Sends "Stop Processing" cmd to FW before returning failure from reset routine
        d. Adds print in megasas_transition routine
        e. Sends "RESET" flag to FW to do a soft reset of controller
to move from Operational to Ready state.
	f. Sending correct pointer (cmd->sense) to pci_pool_free
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

The patch adds support for a ZCR controller (Device ID : 0x413).

It also has a critical bug fix :

Disable controller interrupt before firing INIT cmd to FW.  Interrupt
is enabled after required initialization is over. This is done to
ensure that driver is ready to handle interrupts when it is generated
by the controller.
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

This patch( originally submitted by Christoph Hellwig) removes
instance_lock and changes fw_outstanding variable data type to
atomic_t.
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

This patch adds support for 1078 type controller (device id : 0x60).
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

This patch properly registers the 16 byte command length capability of
the megaraid_sas controlled hardware with the scsi midlayer.  All
megaraid_sas hardware supports 16 byte CDB's.
Signed-off-by: NJoshua Giles <joshua_giles@dell.com>
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

This patch defines a new template to represent each type of
controllers (identified by the processor used). The template has
members that is set with appropriate values during driver
initialisation. This change is done to support new controllers with
minimal change to existing code. In future, for a new controller
support, a template will be declared and its members initialised
appropriately.
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>

Rejections fixed and
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

This patch (originally submitted by Christoph Hellwig) removes code
duplication in megasas_build_cmd.  It also defines
MEGASAS_IOC_FIRMWARE32 to allow 64 bit compiled applications to work.
Signed-off-by: NSumant Patro <Sumant.Patro@lsil.com>

Rejections fixed and
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

Signed-off-by: NSreenivas Bagalkote <Sreenivas.Bagalkote@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>