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[SCSI] bfa: IOC fixes, check for IOC down condition. 

Currently BFA was not checking for IOC down condition when issuing
getstats/clearstats

Add check to see if IOC is operational, before issuing
getstats/clearstats.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Krishna Gudipati 2010-03-05 19:37:29 -08:00 committed by James Bottomley
parent 78f915f7b0
commit 13cc20c5e7
2 changed files with 18 additions and 3 deletions
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11
drivers/scsi/bfa/bfa_ioc.c
View File

@ -1129,9 +1129,6 @@ bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type,
if (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ)
boot_type = BFI_BOOT_TYPE_FLASH;
fwimg = bfa_ioc_fwimg_get_chunk(ioc, chunkno);
fwimg[BFI_BOOT_TYPE_OFF / sizeof(u32)] = bfa_os_swap32(boot_type);
fwimg[BFI_BOOT_PARAM_OFF / sizeof(u32)] =
bfa_os_swap32(boot_param);
pgnum = bfa_ioc_smem_pgnum(ioc, loff);
pgoff = bfa_ioc_smem_pgoff(ioc, loff);
@ -1166,6 +1163,14 @@ bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type,
bfa_reg_write(ioc->ioc_regs.host_page_num_fn,
bfa_ioc_smem_pgnum(ioc, 0));
/*
* Set boot type and boot param at the end.
*/
bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_BOOT_TYPE_OFF,
bfa_os_swap32(boot_type));
bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_BOOT_PARAM_OFF,
bfa_os_swap32(boot_param));
}
static void

10
drivers/scsi/bfa/bfa_iocfc.c
View File

@ -801,6 +801,11 @@ bfa_iocfc_get_stats(struct bfa_s *bfa, struct bfa_iocfc_stats_s *stats,
return BFA_STATUS_DEVBUSY;
}
if (!bfa_iocfc_is_operational(bfa)) {
bfa_trc(bfa, 0);
return BFA_STATUS_IOC_NON_OP;
}
iocfc->stats_busy = BFA_TRUE;
iocfc->stats_ret = stats;
iocfc->stats_cbfn = cbfn;
@ -821,6 +826,11 @@ bfa_iocfc_clear_stats(struct bfa_s *bfa, bfa_cb_ioc_t cbfn, void *cbarg)
return BFA_STATUS_DEVBUSY;
}
if (!bfa_iocfc_is_operational(bfa)) {
bfa_trc(bfa, 0);
return BFA_STATUS_IOC_NON_OP;
}
iocfc->stats_busy = BFA_TRUE;
iocfc->stats_cbfn = cbfn;
iocfc->stats_cbarg = cbarg;