From 13cc20c5e764e6ef8d57f33980ab8c386c25fb4d Mon Sep 17 00:00:00 2001 From: Krishna Gudipati Date: Fri, 5 Mar 2010 19:37:29 -0800 Subject: [PATCH] [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 Signed-off-by: James Bottomley --- drivers/scsi/bfa/bfa_ioc.c | 11 ++++++++--- drivers/scsi/bfa/bfa_iocfc.c | 10 ++++++++++ 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c index 2f09d17730cc..4d9a47ccffe9 100644 --- a/drivers/scsi/bfa/bfa_ioc.c +++ b/drivers/scsi/bfa/bfa_ioc.c @@ -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 diff --git a/drivers/scsi/bfa/bfa_iocfc.c b/drivers/scsi/bfa/bfa_iocfc.c index 6677f83f2c99..a76de2669bfc 100644 --- a/drivers/scsi/bfa/bfa_iocfc.c +++ b/drivers/scsi/bfa/bfa_iocfc.c @@ -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;