[SCSI] bfa: IOC changes: Support faster recovery and split bfa_ioc.c …

…into ASIC specific code.

Add support for faster IOC recovery after failure.

Split bfa_ioc.c into three files:
  bfa_ioc.c:    Common code shared between crossbow and catapult ASIC's.

  bfa_ioc_cb.c: Code specific to the crossbow, reg mapping and
                interrupt related routines.

  bfa_ioc_ct.c: Code specific to the catapult, reg mapping and
                interrupt related routines.

Fix to make sure IOC reinitialize's properly on enable request -
update the ioc_fwstate reg with BFI_IOC_FAIL on ioc disable mbox cmd
timeout.

Makefile changes to support the 2 newly added files bfa_ioc_cb.c and
bfa_ioc_ct.c.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/bfa/Makefile

@@ -2,14 +2,14 @@ obj-$(CONFIG_SCSI_BFA_FC) := bfa.o
 
 bfa-y := bfad.o bfad_intr.o bfad_os.o bfad_im.o bfad_attr.o bfad_fwimg.o
 
-bfa-y += bfa_core.o bfa_ioc.o bfa_iocfc.o bfa_fcxp.o bfa_lps.o
-bfa-y += bfa_hw_cb.o bfa_hw_ct.o bfa_intr.o bfa_timer.o bfa_rport.o 
+bfa-y += bfa_core.o bfa_ioc.o bfa_ioc_ct.o bfa_ioc_cb.o bfa_iocfc.o bfa_fcxp.o
+bfa-y += bfa_lps.o bfa_hw_cb.o bfa_hw_ct.o bfa_intr.o bfa_timer.o bfa_rport.o
 bfa-y += bfa_fcport.o bfa_port.o bfa_uf.o bfa_sgpg.o bfa_module.o bfa_ioim.o
 bfa-y += bfa_itnim.o bfa_fcpim.o bfa_tskim.o bfa_log.o bfa_log_module.o
 bfa-y += bfa_csdebug.o bfa_sm.o plog.o
 
-bfa-y += fcbuild.o fabric.o fcpim.o vfapi.o fcptm.o bfa_fcs.o bfa_fcs_port.o 
+bfa-y += fcbuild.o fabric.o fcpim.o vfapi.o fcptm.o bfa_fcs.o bfa_fcs_port.o
 bfa-y += bfa_fcs_uf.o bfa_fcs_lport.o fab.o fdmi.o ms.o ns.o scn.o loop.o
 bfa-y += lport_api.o n2n.o rport.o rport_api.o rport_ftrs.o vport.o
 
-ccflags-y := -I$(obj) -I$(obj)/include -I$(obj)/include/cna
+ccflags-y := -I$(obj) -I$(obj)/include -I$(obj)/include/cna -DBFA_PERF_BUILD

drivers/scsi/bfa/bfa_core.c

@@ -399,4 +399,14 @@ bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen)
 {
 	return bfa_ioc_debug_fwtrc(&bfa->ioc, trcdata, trclen);
 }
+
+/**
+ * Reset hw semaphore & usage cnt regs and initialize.
+ */
+void
+bfa_chip_reset(struct bfa_s *bfa)
+{
+	bfa_ioc_ownership_reset(&bfa->ioc);
+	bfa_ioc_pll_init(&bfa->ioc);
+}
 #endif