diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_ioc_cb.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_ioc_cb.c | 97 |
1 files changed, 92 insertions, 5 deletions
diff --git a/drivers/scsi/bfa/bfa_ioc_cb.c b/drivers/scsi/bfa/bfa_ioc_cb.c index 90994504385..e4a0713185b 100644 --- a/drivers/scsi/bfa/bfa_ioc_cb.c +++ b/drivers/scsi/bfa/bfa_ioc_cb.c @@ -15,6 +15,7 @@ * General Public License for more details. */ +#include "bfad_drv.h" #include "bfa_ioc.h" #include "bfi_cbreg.h" #include "bfa_defs.h" @@ -29,10 +30,14 @@ static void bfa_ioc_cb_firmware_unlock(struct bfa_ioc_s *ioc); static void bfa_ioc_cb_reg_init(struct bfa_ioc_s *ioc); static void bfa_ioc_cb_map_port(struct bfa_ioc_s *ioc); static void bfa_ioc_cb_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix); -static void bfa_ioc_cb_notify_hbfail(struct bfa_ioc_s *ioc); +static void bfa_ioc_cb_notify_fail(struct bfa_ioc_s *ioc); static void bfa_ioc_cb_ownership_reset(struct bfa_ioc_s *ioc); +static void bfa_ioc_cb_sync_join(struct bfa_ioc_s *ioc); +static void bfa_ioc_cb_sync_leave(struct bfa_ioc_s *ioc); +static void bfa_ioc_cb_sync_ack(struct bfa_ioc_s *ioc); +static bfa_boolean_t bfa_ioc_cb_sync_complete(struct bfa_ioc_s *ioc); -struct bfa_ioc_hwif_s hwif_cb; +static struct bfa_ioc_hwif_s hwif_cb; /* * Called from bfa_ioc_attach() to map asic specific calls. @@ -46,8 +51,12 @@ bfa_ioc_set_cb_hwif(struct bfa_ioc_s *ioc) hwif_cb.ioc_reg_init = bfa_ioc_cb_reg_init; hwif_cb.ioc_map_port = bfa_ioc_cb_map_port; hwif_cb.ioc_isr_mode_set = bfa_ioc_cb_isr_mode_set; - hwif_cb.ioc_notify_hbfail = bfa_ioc_cb_notify_hbfail; + hwif_cb.ioc_notify_fail = bfa_ioc_cb_notify_fail; hwif_cb.ioc_ownership_reset = bfa_ioc_cb_ownership_reset; + hwif_cb.ioc_sync_join = bfa_ioc_cb_sync_join; + hwif_cb.ioc_sync_leave = bfa_ioc_cb_sync_leave; + hwif_cb.ioc_sync_ack = bfa_ioc_cb_sync_ack; + hwif_cb.ioc_sync_complete = bfa_ioc_cb_sync_complete; ioc->ioc_hwif = &hwif_cb; } @@ -58,6 +67,21 @@ bfa_ioc_set_cb_hwif(struct bfa_ioc_s *ioc) static bfa_boolean_t bfa_ioc_cb_firmware_lock(struct bfa_ioc_s *ioc) { + struct bfi_ioc_image_hdr_s fwhdr; + uint32_t fwstate = readl(ioc->ioc_regs.ioc_fwstate); + + if (fwstate == BFI_IOC_UNINIT) + return BFA_TRUE; + + bfa_ioc_fwver_get(ioc, &fwhdr); + + if (swab32(fwhdr.exec) == BFI_BOOT_TYPE_NORMAL) + return BFA_TRUE; + + bfa_trc(ioc, fwstate); + bfa_trc(ioc, fwhdr.exec); + writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate); + return BFA_TRUE; } @@ -70,7 +94,7 @@ bfa_ioc_cb_firmware_unlock(struct bfa_ioc_s *ioc) * Notify other functions on HB failure. */ static void -bfa_ioc_cb_notify_hbfail(struct bfa_ioc_s *ioc) +bfa_ioc_cb_notify_fail(struct bfa_ioc_s *ioc) { writel(__PSS_ERR_STATUS_SET, ioc->ioc_regs.err_set); readl(ioc->ioc_regs.err_set); @@ -108,9 +132,11 @@ bfa_ioc_cb_reg_init(struct bfa_ioc_s *ioc) if (ioc->port_id == 0) { ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG; ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG; + ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC1_STATE_REG; } else { ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG); ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG); + ioc->ioc_regs.alt_ioc_fwstate = (rb + BFA_IOC0_STATE_REG); } /* @@ -181,10 +207,71 @@ bfa_ioc_cb_ownership_reset(struct bfa_ioc_s *ioc) * will lock it instead of clearing it. */ readl(ioc->ioc_regs.ioc_sem_reg); - bfa_ioc_hw_sem_release(ioc); + writel(1, ioc->ioc_regs.ioc_sem_reg); } +/* + * Synchronized IOC failure processing routines + */ +static void +bfa_ioc_cb_sync_join(struct bfa_ioc_s *ioc) +{ +} +static void +bfa_ioc_cb_sync_leave(struct bfa_ioc_s *ioc) +{ +} + +static void +bfa_ioc_cb_sync_ack(struct bfa_ioc_s *ioc) +{ + writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); +} + +static bfa_boolean_t +bfa_ioc_cb_sync_complete(struct bfa_ioc_s *ioc) +{ + uint32_t fwstate, alt_fwstate; + fwstate = readl(ioc->ioc_regs.ioc_fwstate); + + /* + * At this point, this IOC is hoding the hw sem in the + * start path (fwcheck) OR in the disable/enable path + * OR to check if the other IOC has acknowledged failure. + * + * So, this IOC can be in UNINIT, INITING, DISABLED, FAIL + * or in MEMTEST states. In a normal scenario, this IOC + * can not be in OP state when this function is called. + * + * However, this IOC could still be in OP state when + * the OS driver is starting up, if the OptROM code has + * left it in that state. + * + * If we had marked this IOC's fwstate as BFI_IOC_FAIL + * in the failure case and now, if the fwstate is not + * BFI_IOC_FAIL it implies that the other PCI fn have + * reinitialized the ASIC or this IOC got disabled, so + * return TRUE. + */ + if (fwstate == BFI_IOC_UNINIT || + fwstate == BFI_IOC_INITING || + fwstate == BFI_IOC_DISABLED || + fwstate == BFI_IOC_MEMTEST || + fwstate == BFI_IOC_OP) + return BFA_TRUE; + else { + alt_fwstate = readl(ioc->ioc_regs.alt_ioc_fwstate); + if (alt_fwstate == BFI_IOC_FAIL || + alt_fwstate == BFI_IOC_DISABLED || + alt_fwstate == BFI_IOC_UNINIT || + alt_fwstate == BFI_IOC_INITING || + alt_fwstate == BFI_IOC_MEMTEST) + return BFA_TRUE; + else + return BFA_FALSE; + } +} bfa_status_t bfa_ioc_cb_pll_init(void __iomem *rb, bfa_boolean_t fcmode) |