> -----Original Message----- > From: Raghava Aditya Renukunta > [mailto:RaghavaAditya.Renukunta@xxxxxxxxxxxxx] > Sent: Friday, January 19, 2018 6:02 PM > To: jejb@xxxxxxxxxxxxxxxxxx; martin.petersen@xxxxxxxxxx; linux- > scsi@xxxxxxxxxxxxxxx > Cc: Scott Benesh <scott.benesh@xxxxxxxxxxxxx>; Tom White > <tom.white@xxxxxxxxxxxxx>; dl-esc-Aacraid Linux Driver > <aacraid@xxxxxxxxxxxxx>; Guilherme G . Piccoli > <gpiccoli@xxxxxxxxxxxxxxxxxx>; Bart Van Assche <Bart.VanAssche@xxxxxxx> > Subject: [PATCH 1/3] scsi: aacraid: Implement DropIO sync command > > IOP_RESET takes longer time to complete, if controller is in a state where we > can bring it back with init struct, controller DropIO sync command is > implemented. > > - If controller is faulted perform standard IOP_RESET in aac_srcv_init. > - If controller is not faulted get adapter properties and extended > properties. > - Update the sa_firmware variable and determine if DropIO request is > supported. > - Issue DropIO request, and get the number of outstanding commands. > - If all commands are complete with success (CT_OK), consider IOP_RESET > is complete. > - If any commands timeout, Perform the IOP_RESET. > > Signed-off-by: Prasad B Munirathnam <prasad.munirathnam@xxxxxxxxxxxxx> > Signed-off-by: Raghava Aditya Renukunta > <RaghavaAditya.Renukunta@xxxxxxxxxxxxx> > --- > drivers/scsi/aacraid/aacraid.h | 4 + > drivers/scsi/aacraid/src.c | 167 > +++++++++++++++++++++++++++++++++++++++-- > 2 files changed, 163 insertions(+), 8 deletions(-) Reviewed-by: Dave Carroll <david.carroll@xxxxxxxxxxxxx>