diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_ioc.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_ioc.c | 2269 |
1 files changed, 1523 insertions, 746 deletions
diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c index e038bc9769f6..54475b53a5ab 100644 --- a/drivers/scsi/bfa/bfa_ioc.c +++ b/drivers/scsi/bfa/bfa_ioc.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -15,35 +15,33 @@ * General Public License for more details. */ -#include <bfa.h> -#include <bfa_ioc.h> -#include <bfa_fwimg_priv.h> -#include <cna/bfa_cna_trcmod.h> -#include <cs/bfa_debug.h> -#include <bfi/bfi_ioc.h> -#include <bfi/bfi_ctreg.h> -#include <aen/bfa_aen_ioc.h> -#include <aen/bfa_aen.h> -#include <log/bfa_log_hal.h> -#include <defs/bfa_defs_pci.h> +#include "bfa_ioc.h" +#include "bfi_ctreg.h" +#include "bfa_defs.h" +#include "bfa_defs_svc.h" +#include "bfad_drv.h" BFA_TRC_FILE(CNA, IOC); -/** +/* * IOC local definitions */ -#define BFA_IOC_TOV 2000 /* msecs */ -#define BFA_IOC_HWSEM_TOV 500 /* msecs */ -#define BFA_IOC_HB_TOV 500 /* msecs */ -#define BFA_IOC_HWINIT_MAX 2 -#define BFA_IOC_FWIMG_MINSZ (16 * 1024) -#define BFA_IOC_TOV_RECOVER BFA_IOC_HB_TOV +#define BFA_IOC_TOV 3000 /* msecs */ +#define BFA_IOC_HWSEM_TOV 500 /* msecs */ +#define BFA_IOC_HB_TOV 500 /* msecs */ +#define BFA_IOC_HWINIT_MAX 2 +#define BFA_IOC_TOV_RECOVER BFA_IOC_HB_TOV #define bfa_ioc_timer_start(__ioc) \ bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ bfa_ioc_timeout, (__ioc), BFA_IOC_TOV) #define bfa_ioc_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer) +#define bfa_hb_timer_start(__ioc) \ + bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->hb_timer, \ + bfa_ioc_hb_check, (__ioc), BFA_IOC_HB_TOV) +#define bfa_hb_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->hb_timer) + #define BFA_DBG_FWTRC_ENTS (BFI_IOC_TRC_ENTS) #define BFA_DBG_FWTRC_LEN \ (BFA_DBG_FWTRC_ENTS * sizeof(struct bfa_trc_s) + \ @@ -51,107 +49,230 @@ BFA_TRC_FILE(CNA, IOC); BFA_TRC_MAX * sizeof(struct bfa_trc_s))) #define BFA_DBG_FWTRC_OFF(_fn) (BFI_IOC_TRC_OFF + BFA_DBG_FWTRC_LEN * (_fn)) -/** +/* * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details. */ -#define bfa_ioc_firmware_lock(__ioc) \ +#define bfa_ioc_firmware_lock(__ioc) \ ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc)) -#define bfa_ioc_firmware_unlock(__ioc) \ +#define bfa_ioc_firmware_unlock(__ioc) \ ((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc)) -#define bfa_ioc_fwimg_get_chunk(__ioc, __off) \ - ((__ioc)->ioc_hwif->ioc_fwimg_get_chunk(__ioc, __off)) -#define bfa_ioc_fwimg_get_size(__ioc) \ - ((__ioc)->ioc_hwif->ioc_fwimg_get_size(__ioc)) #define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc)) #define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc)) -#define bfa_ioc_notify_hbfail(__ioc) \ +#define bfa_ioc_notify_hbfail(__ioc) \ ((__ioc)->ioc_hwif->ioc_notify_hbfail(__ioc)) -bfa_boolean_t bfa_auto_recover = BFA_TRUE; +#ifdef BFA_IOC_IS_UEFI +#define bfa_ioc_is_bios_optrom(__ioc) (0) +#define bfa_ioc_is_uefi(__ioc) BFA_IOC_IS_UEFI +#else +#define bfa_ioc_is_bios_optrom(__ioc) \ + (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(__ioc)) < BFA_IOC_FWIMG_MINSZ) +#define bfa_ioc_is_uefi(__ioc) (0) +#endif + +#define bfa_ioc_mbox_cmd_pending(__ioc) \ + (!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \ + readl((__ioc)->ioc_regs.hfn_mbox_cmd)) + +bfa_boolean_t bfa_auto_recover = BFA_TRUE; /* * forward declarations */ -static void bfa_ioc_aen_post(struct bfa_ioc_s *bfa, - enum bfa_ioc_aen_event event); -static void bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc); -static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc_s *ioc); -static void bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force); -static void bfa_ioc_timeout(void *ioc); -static void bfa_ioc_send_enable(struct bfa_ioc_s *ioc); -static void bfa_ioc_send_disable(struct bfa_ioc_s *ioc); -static void bfa_ioc_send_getattr(struct bfa_ioc_s *ioc); -static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc); -static void bfa_ioc_hb_stop(struct bfa_ioc_s *ioc); -static void bfa_ioc_reset(struct bfa_ioc_s *ioc, bfa_boolean_t force); -static void bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc); -static void bfa_ioc_mbox_hbfail(struct bfa_ioc_s *ioc); -static void bfa_ioc_recover(struct bfa_ioc_s *ioc); -static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc); -static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc); - -/** - * bfa_ioc_sm - */ - -/** - * IOC state machine events +static void bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc); +static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc_s *ioc); +static void bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force); +static void bfa_ioc_timeout(void *ioc); +static void bfa_ioc_send_enable(struct bfa_ioc_s *ioc); +static void bfa_ioc_send_disable(struct bfa_ioc_s *ioc); +static void bfa_ioc_send_getattr(struct bfa_ioc_s *ioc); +static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc); +static void bfa_ioc_hb_stop(struct bfa_ioc_s *ioc); +static void bfa_ioc_reset(struct bfa_ioc_s *ioc, bfa_boolean_t force); +static void bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc); +static void bfa_ioc_mbox_hbfail(struct bfa_ioc_s *ioc); +static void bfa_ioc_recover(struct bfa_ioc_s *ioc); +static void bfa_ioc_check_attr_wwns(struct bfa_ioc_s *ioc); +static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc); +static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc); +static void bfa_ioc_pf_enabled(struct bfa_ioc_s *ioc); +static void bfa_ioc_pf_disabled(struct bfa_ioc_s *ioc); +static void bfa_ioc_pf_failed(struct bfa_ioc_s *ioc); +static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc); + +/* + * hal_ioc_sm + */ + +/* + * IOC state machine definitions/declarations */ enum ioc_event { - IOC_E_ENABLE = 1, /* IOC enable request */ - IOC_E_DISABLE = 2, /* IOC disable request */ - IOC_E_TIMEOUT = 3, /* f/w response timeout */ - IOC_E_FWREADY = 4, /* f/w initialization done */ - IOC_E_FWRSP_GETATTR = 5, /* IOC get attribute response */ - IOC_E_FWRSP_ENABLE = 6, /* enable f/w response */ - IOC_E_FWRSP_DISABLE = 7, /* disable f/w response */ - IOC_E_HBFAIL = 8, /* heartbeat failure */ - IOC_E_HWERROR = 9, /* hardware error interrupt */ - IOC_E_SEMLOCKED = 10, /* h/w semaphore is locked */ - IOC_E_DETACH = 11, /* driver detach cleanup */ + IOC_E_RESET = 1, /* IOC reset request */ + IOC_E_ENABLE = 2, /* IOC enable request */ + IOC_E_DISABLE = 3, /* IOC disable request */ + IOC_E_DETACH = 4, /* driver detach cleanup */ + IOC_E_ENABLED = 5, /* f/w enabled */ + IOC_E_FWRSP_GETATTR = 6, /* IOC get attribute response */ + IOC_E_DISABLED = 7, /* f/w disabled */ + IOC_E_FAILED = 8, /* failure notice by iocpf sm */ + IOC_E_HBFAIL = 9, /* heartbeat failure */ + IOC_E_HWERROR = 10, /* hardware error interrupt */ + IOC_E_TIMEOUT = 11, /* timeout */ }; +bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc_s, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, fwcheck, struct bfa_ioc_s, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, mismatch, struct bfa_ioc_s, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, semwait, struct bfa_ioc_s, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, hwinit, struct bfa_ioc_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, initfail, struct bfa_ioc_s, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, hbfail, struct bfa_ioc_s, enum ioc_event); +bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event); static struct bfa_sm_table_s ioc_sm_table[] = { + {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, - {BFA_SM(bfa_ioc_sm_fwcheck), BFA_IOC_FWMISMATCH}, - {BFA_SM(bfa_ioc_sm_mismatch), BFA_IOC_FWMISMATCH}, - {BFA_SM(bfa_ioc_sm_semwait), BFA_IOC_SEMWAIT}, - {BFA_SM(bfa_ioc_sm_hwinit), BFA_IOC_HWINIT}, - {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_HWINIT}, + {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING}, {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR}, {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL}, {BFA_SM(bfa_ioc_sm_initfail), BFA_IOC_INITFAIL}, - {BFA_SM(bfa_ioc_sm_hbfail), BFA_IOC_HBFAIL}, + {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL}, {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING}, {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED}, }; -/** +/* + * IOCPF state machine definitions/declarations + */ + +#define bfa_iocpf_timer_start(__ioc) \ + bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ + bfa_iocpf_timeout, (__ioc), BFA_IOC_TOV) +#define bfa_iocpf_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer) + +#define bfa_iocpf_recovery_timer_start(__ioc) \ + bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ + bfa_iocpf_timeout, (__ioc), BFA_IOC_TOV_RECOVER) + +#define bfa_sem_timer_start(__ioc) \ + bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->sem_timer, \ + bfa_iocpf_sem_timeout, (__ioc), BFA_IOC_HWSEM_TOV) +#define bfa_sem_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->sem_timer) + +/* + * Forward declareations for iocpf state machine + */ +static void bfa_iocpf_enable(struct bfa_ioc_s *ioc); +static void bfa_iocpf_disable(struct bfa_ioc_s *ioc); +static void bfa_iocpf_fail(struct bfa_ioc_s *ioc); +static void bfa_iocpf_initfail(struct bfa_ioc_s *ioc); +static void bfa_iocpf_getattrfail(struct bfa_ioc_s *ioc); +static void bfa_iocpf_stop(struct bfa_ioc_s *ioc); +static void bfa_iocpf_timeout(void *ioc_arg); +static void bfa_iocpf_sem_timeout(void *ioc_arg); + +/* + * IOCPF state machine events + */ +enum iocpf_event { + IOCPF_E_ENABLE = 1, /* IOCPF enable request */ + IOCPF_E_DISABLE = 2, /* IOCPF disable request */ + IOCPF_E_STOP = 3, /* stop on driver detach */ + IOCPF_E_FWREADY = 4, /* f/w initialization done */ + IOCPF_E_FWRSP_ENABLE = 5, /* enable f/w response */ + IOCPF_E_FWRSP_DISABLE = 6, /* disable f/w response */ + IOCPF_E_FAIL = 7, /* failure notice by ioc sm */ + IOCPF_E_INITFAIL = 8, /* init fail notice by ioc sm */ + IOCPF_E_GETATTRFAIL = 9, /* init fail notice by ioc sm */ + IOCPF_E_SEMLOCKED = 10, /* h/w semaphore is locked */ + IOCPF_E_TIMEOUT = 11, /* f/w response timeout */ +}; + +/* + * IOCPF states + */ +enum bfa_iocpf_state { + BFA_IOCPF_RESET = 1, /* IOC is in reset state */ + BFA_IOCPF_SEMWAIT = 2, /* Waiting for IOC h/w semaphore */ + BFA_IOCPF_HWINIT = 3, /* IOC h/w is being initialized */ + BFA_IOCPF_READY = 4, /* IOCPF is initialized */ + BFA_IOCPF_INITFAIL = 5, /* IOCPF failed */ + BFA_IOCPF_FAIL = 6, /* IOCPF failed */ + BFA_IOCPF_DISABLING = 7, /* IOCPF is being disabled */ + BFA_IOCPF_DISABLED = 8, /* IOCPF is disabled */ + BFA_IOCPF_FWMISMATCH = 9, /* IOC f/w different from drivers */ +}; + +bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf_s, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf_s, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf_s, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf_s, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf_s, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf_s, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf_s, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf_s, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf_s, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf_s, enum iocpf_event); +bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf_s, enum iocpf_event); + +static struct bfa_sm_table_s iocpf_sm_table[] = { + {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET}, + {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH}, + {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH}, + {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT}, + {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT}, + {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT}, + {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY}, + {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL}, + {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL}, + {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING}, + {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED}, +}; + +/* + * IOC State Machine + */ + +/* + * Beginning state. IOC uninit state. + */ + +static void +bfa_ioc_sm_uninit_entry(struct bfa_ioc_s *ioc) +{ +} + +/* + * IOC is in uninit state. + */ +static void +bfa_ioc_sm_uninit(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_RESET: + bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + break; + + default: + bfa_sm_fault(ioc, event); + } +} +/* * Reset entry actions -- initialize state machine */ static void bfa_ioc_sm_reset_entry(struct bfa_ioc_s *ioc) { - ioc->retry_count = 0; - ioc->auto_recover = bfa_auto_recover; + bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); } -/** - * Beginning state. IOC is in reset state. +/* + * IOC is in reset state. */ static void bfa_ioc_sm_reset(struct bfa_ioc_s *ioc, enum ioc_event event) @@ -160,7 +281,7 @@ bfa_ioc_sm_reset(struct bfa_ioc_s *ioc, enum ioc_event event) switch (event) { case IOC_E_ENABLE: - bfa_fsm_set_state(ioc, bfa_ioc_sm_fwcheck); + bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); break; case IOC_E_DISABLE: @@ -168,6 +289,7 @@ bfa_ioc_sm_reset(struct bfa_ioc_s *ioc, enum ioc_event event) break; case IOC_E_DETACH: + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); break; default: @@ -175,46 +297,46 @@ bfa_ioc_sm_reset(struct bfa_ioc_s *ioc, enum ioc_event event) } } -/** - * Semaphore should be acquired for version check. - */ + static void -bfa_ioc_sm_fwcheck_entry(struct bfa_ioc_s *ioc) +bfa_ioc_sm_enabling_entry(struct bfa_ioc_s *ioc) { - bfa_ioc_hw_sem_get(ioc); + bfa_iocpf_enable(ioc); } -/** - * Awaiting h/w semaphore to continue with version check. +/* + * Host IOC function is being enabled, awaiting response from firmware. + * Semaphore is acquired. */ static void -bfa_ioc_sm_fwcheck(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, event); switch (event) { - case IOC_E_SEMLOCKED: - if (bfa_ioc_firmware_lock(ioc)) { - ioc->retry_count = 0; - bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit); - } else { - bfa_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_mismatch); - } + case IOC_E_ENABLED: + bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); + break; + + case IOC_E_FAILED: + bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + break; + + case IOC_E_HWERROR: + bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + bfa_iocpf_initfail(ioc); break; case IOC_E_DISABLE: - bfa_ioc_disable_comp(ioc); - /* - * fall through - */ + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + break; case IOC_E_DETACH: - bfa_ioc_hw_sem_get_cancel(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + bfa_iocpf_stop(ioc); break; - case IOC_E_FWREADY: + case IOC_E_ENABLE: break; default: @@ -222,48 +344,49 @@ bfa_ioc_sm_fwcheck(struct bfa_ioc_s *ioc, enum ioc_event event) } } -/** - * Notify enable completion callback and generate mismatch AEN. - */ + static void -bfa_ioc_sm_mismatch_entry(struct bfa_ioc_s *ioc) +bfa_ioc_sm_getattr_entry(struct bfa_ioc_s *ioc) { - /** - * Provide enable completion callback and AEN notification only once. - */ - if (ioc->retry_count == 0) { - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); - bfa_ioc_aen_post(ioc, BFA_IOC_AEN_FWMISMATCH); - } - ioc->retry_count++; bfa_ioc_timer_start(ioc); + bfa_ioc_send_getattr(ioc); } -/** - * Awaiting firmware version match. +/* + * IOC configuration in progress. Timer is active. */ static void -bfa_ioc_sm_mismatch(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, event); switch (event) { + case IOC_E_FWRSP_GETATTR: + bfa_ioc_timer_stop(ioc); + bfa_ioc_check_attr_wwns(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_op); + break; + + case IOC_E_FAILED: + bfa_ioc_timer_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + break; + + case IOC_E_HWERROR: + bfa_ioc_timer_stop(ioc); + /* fall through */ + case IOC_E_TIMEOUT: - bfa_fsm_set_state(ioc, bfa_ioc_sm_fwcheck); + bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + bfa_iocpf_getattrfail(ioc); break; case IOC_E_DISABLE: - bfa_ioc_disable_comp(ioc); - /* - * fall through - */ - - case IOC_E_DETACH: bfa_ioc_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); break; - case IOC_E_FWREADY: + case IOC_E_ENABLE: break; default: @@ -271,32 +394,43 @@ bfa_ioc_sm_mismatch(struct bfa_ioc_s *ioc, enum ioc_event event) } } -/** - * Request for semaphore. - */ + static void -bfa_ioc_sm_semwait_entry(struct bfa_ioc_s *ioc) +bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc) { - bfa_ioc_hw_sem_get(ioc); + struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; + + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); + bfa_ioc_hb_monitor(ioc); + BFA_LOG(KERN_INFO, bfad, log_level, "IOC enabled\n"); } -/** - * Awaiting semaphore for h/w initialzation. - */ static void -bfa_ioc_sm_semwait(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, event); switch (event) { - case IOC_E_SEMLOCKED: - ioc->retry_count = 0; - bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit); + case IOC_E_ENABLE: break; case IOC_E_DISABLE: - bfa_ioc_hw_sem_get_cancel(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + bfa_ioc_hb_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + break; + + case IOC_E_FAILED: + bfa_ioc_hb_stop(ioc); + bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); + break; + + case IOC_E_HWERROR: + bfa_ioc_hb_stop(ioc); + /* !!! fall through !!! */ + + case IOC_E_HBFAIL: + bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); + bfa_iocpf_fail(ioc); break; default: @@ -306,49 +440,66 @@ bfa_ioc_sm_semwait(struct bfa_ioc_s *ioc, enum ioc_event event) static void -bfa_ioc_sm_hwinit_entry(struct bfa_ioc_s *ioc) +bfa_ioc_sm_disabling_entry(struct bfa_ioc_s *ioc) { - bfa_ioc_timer_start(ioc); - bfa_ioc_reset(ioc, BFA_FALSE); + struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; + bfa_iocpf_disable(ioc); + BFA_LOG(KERN_INFO, bfad, log_level, "IOC disabled\n"); } -/** - * Hardware is being initialized. Interrupts are enabled. - * Holding hardware semaphore lock. +/* + * IOC is being disabled */ static void -bfa_ioc_sm_hwinit(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, event); switch (event) { - case IOC_E_FWREADY: - bfa_ioc_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); + case IOC_E_DISABLED: + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); break; case IOC_E_HWERROR: - bfa_ioc_timer_stop(ioc); /* - * fall through + * No state change. Will move to disabled state + * after iocpf sm completes failure processing and + * moves to disabled state. */ + bfa_iocpf_fail(ioc); + break; - case IOC_E_TIMEOUT: - ioc->retry_count++; - if (ioc->retry_count < BFA_IOC_HWINIT_MAX) { - bfa_ioc_timer_start(ioc); - bfa_ioc_reset(ioc, BFA_TRUE); - break; - } + default: + bfa_sm_fault(ioc, event); + } +} - bfa_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); +/* + * IOC disable completion entry. + */ +static void +bfa_ioc_sm_disabled_entry(struct bfa_ioc_s *ioc) +{ + bfa_ioc_disable_comp(ioc); +} + +static void +bfa_ioc_sm_disabled(struct bfa_ioc_s *ioc, enum ioc_event event) +{ + bfa_trc(ioc, event); + + switch (event) { + case IOC_E_ENABLE: + bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); break; case IOC_E_DISABLE: - bfa_ioc_hw_sem_release(ioc); - bfa_ioc_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + ioc->cbfn->disable_cbfn(ioc->bfa); + break; + + case IOC_E_DETACH: + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + bfa_iocpf_stop(ioc); break; default: @@ -358,55 +509,38 @@ bfa_ioc_sm_hwinit(struct bfa_ioc_s *ioc, enum ioc_event event) static void -bfa_ioc_sm_enabling_entry(struct bfa_ioc_s *ioc) +bfa_ioc_sm_initfail_entry(struct bfa_ioc_s *ioc) { - bfa_ioc_timer_start(ioc); - bfa_ioc_send_enable(ioc); + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); } -/** - * Host IOC function is being enabled, awaiting response from firmware. - * Semaphore is acquired. +/* + * Hardware initialization failed. */ static void -bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_ioc_sm_initfail(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, event); switch (event) { - case IOC_E_FWRSP_ENABLE: - bfa_ioc_timer_stop(ioc); - bfa_ioc_hw_sem_release(ioc); + case IOC_E_ENABLED: bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); break; - case IOC_E_HWERROR: - bfa_ioc_timer_stop(ioc); + case IOC_E_FAILED: /* - * fall through + * Initialization failure during iocpf init retry. */ - - case IOC_E_TIMEOUT: - ioc->retry_count++; - if (ioc->retry_count < BFA_IOC_HWINIT_MAX) { - bfa_reg_write(ioc->ioc_regs.ioc_fwstate, - BFI_IOC_UNINIT); - bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit); - break; - } - - bfa_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); break; case IOC_E_DISABLE: - bfa_ioc_timer_stop(ioc); - bfa_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); break; - case IOC_E_FWREADY: - bfa_ioc_send_enable(ioc); + case IOC_E_DETACH: + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + bfa_iocpf_stop(ioc); break; default: @@ -416,39 +550,95 @@ bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event) static void -bfa_ioc_sm_getattr_entry(struct bfa_ioc_s *ioc) +bfa_ioc_sm_fail_entry(struct bfa_ioc_s *ioc) { - bfa_ioc_timer_start(ioc); - bfa_ioc_send_getattr(ioc); + struct list_head *qe; + struct bfa_ioc_hbfail_notify_s *notify; + struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; + + /* + * Notify driver and common modules registered for notification. + */ + ioc->cbfn->hbfail_cbfn(ioc->bfa); + list_for_each(qe, &ioc->hb_notify_q) { + notify = (struct bfa_ioc_hbfail_notify_s *) qe; + notify->cbfn(notify->cbarg); + } + + BFA_LOG(KERN_CRIT, bfad, log_level, + "Heart Beat of IOC has failed\n"); } -/** - * IOC configuration in progress. Timer is active. +/* + * IOC failure. */ static void -bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_ioc_sm_fail(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, event); switch (event) { - case IOC_E_FWRSP_GETATTR: - bfa_ioc_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_op); + + case IOC_E_FAILED: + /* + * Initialization failure during iocpf recovery. + * !!! Fall through !!! + */ + case IOC_E_ENABLE: + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); + break; + + case IOC_E_ENABLED: + bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); + break; + + case IOC_E_DISABLE: + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); break; case IOC_E_HWERROR: - bfa_ioc_timer_stop(ioc); /* - * fall through + * HB failure notification, ignore. */ + break; + default: + bfa_sm_fault(ioc, event); + } +} - case IOC_E_TIMEOUT: - bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + + +/* + * IOCPF State Machine + */ + + +/* + * Reset entry actions -- initialize state machine + */ +static void +bfa_iocpf_sm_reset_entry(struct bfa_iocpf_s *iocpf) +{ + iocpf->retry_count = 0; + iocpf->auto_recover = bfa_auto_recover; +} + +/* + * Beginning state. IOC is in reset state. + */ +static void +bfa_iocpf_sm_reset(struct bfa_iocpf_s *iocpf, enum iocpf_event event) +{ + struct bfa_ioc_s *ioc = iocpf->ioc; + + bfa_trc(ioc, event); + + switch (event) { + case IOCPF_E_ENABLE: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); break; - case IOC_E_DISABLE: - bfa_ioc_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + case IOCPF_E_STOP: break; default: @@ -456,42 +646,184 @@ bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event) } } +/* + * Semaphore should be acquired for version check. + */ +static void +bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf) +{ + bfa_ioc_hw_sem_get(iocpf->ioc); +} +/* + * Awaiting h/w semaphore to continue with version check. + */ static void -bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc) +bfa_iocpf_sm_fwcheck(struct bfa_iocpf_s *iocpf, enum iocpf_event event) { - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); - bfa_ioc_hb_monitor(ioc); - bfa_ioc_aen_post(ioc, BFA_IOC_AEN_ENABLE); + struct bfa_ioc_s *ioc = iocpf->ioc; + + bfa_trc(ioc, event); + + switch (event) { + case IOCPF_E_SEMLOCKED: + if (bfa_ioc_firmware_lock(ioc)) { + iocpf->retry_count = 0; + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); + } else { + bfa_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch); + } + break; + + case IOCPF_E_DISABLE: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + bfa_ioc_pf_disabled(ioc); + break; + + case IOCPF_E_STOP: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + break; + + default: + bfa_sm_fault(ioc, event); + } } +/* + * Notify enable completion callback. + */ static void -bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf_s *iocpf) { + /* + * Call only the first time sm enters fwmismatch state. + */ + if (iocpf->retry_count == 0) + bfa_ioc_pf_fwmismatch(iocpf->ioc); + + iocpf->retry_count++; + bfa_iocpf_timer_start(iocpf->ioc); +} + +/* + * Awaiting firmware version match. + */ +static void +bfa_iocpf_sm_mismatch(struct bfa_iocpf_s *iocpf, enum iocpf_event event) +{ + struct bfa_ioc_s *ioc = iocpf->ioc; + bfa_trc(ioc, event); switch (event) { - case IOC_E_ENABLE: + case IOCPF_E_TIMEOUT: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); break; - case IOC_E_DISABLE: - bfa_ioc_hb_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + case IOCPF_E_DISABLE: + bfa_iocpf_timer_stop(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + bfa_ioc_pf_disabled(ioc); break; - case IOC_E_HWERROR: - case IOC_E_FWREADY: - /** - * Hard error or IOC recovery by other function. - * Treat it same as heartbeat failure. - */ - bfa_ioc_hb_stop(ioc); + case IOCPF_E_STOP: + bfa_iocpf_timer_stop(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + +/* + * Request for semaphore. + */ +static void +bfa_iocpf_sm_semwait_entry(struct bfa_iocpf_s *iocpf) +{ + bfa_ioc_hw_sem_get(iocpf->ioc); +} + +/* + * Awaiting semaphore for h/w initialzation. + */ +static void +bfa_iocpf_sm_semwait(struct bfa_iocpf_s *iocpf, enum iocpf_event event) +{ + struct bfa_ioc_s *ioc = iocpf->ioc; + + bfa_trc(ioc, event); + + switch (event) { + case IOCPF_E_SEMLOCKED: + iocpf->retry_count = 0; + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); + break; + + case IOCPF_E_DISABLE: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + + +static void +bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf_s *iocpf) +{ + bfa_iocpf_timer_start(iocpf->ioc); + bfa_ioc_reset(iocpf->ioc, BFA_FALSE); +} + +/* + * Hardware is being initialized. Interrupts are enabled. + * Holding hardware semaphore lock. + */ +static void +bfa_iocpf_sm_hwinit(struct bfa_iocpf_s *iocpf, enum iocpf_event event) +{ + struct bfa_ioc_s *ioc = iocpf->ioc; + + bfa_trc(ioc, event); + + switch (event) { + case IOCPF_E_FWREADY: + bfa_iocpf_timer_stop(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); + break; + + case IOCPF_E_INITFAIL: + bfa_iocpf_timer_stop(ioc); /* * !!! fall through !!! */ - case IOC_E_HBFAIL: - bfa_fsm_set_state(ioc, bfa_ioc_sm_hbfail); + case IOCPF_E_TIMEOUT: + iocpf->retry_count++; + if (iocpf->retry_count < BFA_IOC_HWINIT_MAX) { + bfa_iocpf_timer_start(ioc); + bfa_ioc_reset(ioc, BFA_TRUE); + break; + } + + bfa_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); + + if (event == IOCPF_E_TIMEOUT) + bfa_ioc_pf_failed(ioc); + break; + + case IOCPF_E_DISABLE: + bfa_ioc_hw_sem_release(ioc); + bfa_iocpf_timer_stop(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; default: @@ -501,36 +833,59 @@ bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event) static void -bfa_ioc_sm_disabling_entry(struct bfa_ioc_s *ioc) +bfa_iocpf_sm_enabling_entry(struct bfa_iocpf_s *iocpf) { - bfa_ioc_aen_post(ioc, BFA_IOC_AEN_DISABLE); - bfa_ioc_timer_start(ioc); - bfa_ioc_send_disable(ioc); + bfa_iocpf_timer_start(iocpf->ioc); + bfa_ioc_send_enable(iocpf->ioc); } -/** - * IOC is being disabled +/* + * Host IOC function is being enabled, awaiting response from firmware. + * Semaphore is acquired. */ static void -bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_iocpf_sm_enabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event) { + struct bfa_ioc_s *ioc = iocpf->ioc; + bfa_trc(ioc, event); switch (event) { - case IOC_E_FWRSP_DISABLE: - bfa_ioc_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + case IOCPF_E_FWRSP_ENABLE: + bfa_iocpf_timer_stop(ioc); + bfa_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); break; - case IOC_E_HWERROR: - bfa_ioc_timer_stop(ioc); + case IOCPF_E_INITFAIL: + bfa_iocpf_timer_stop(ioc); /* * !!! fall through !!! */ - case IOC_E_TIMEOUT: - bfa_reg_write(ioc->ioc_regs.ioc_fwstate, BFI_IOC_FAIL); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + case IOCPF_E_TIMEOUT: + iocpf->retry_count++; + if (iocpf->retry_count < BFA_IOC_HWINIT_MAX) { + writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); + break; + } + + bfa_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); + + if (event == IOCPF_E_TIMEOUT) + bfa_ioc_pf_failed(ioc); + break; + + case IOCPF_E_DISABLE: + bfa_iocpf_timer_stop(ioc); + bfa_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); + break; + + case IOCPF_E_FWREADY: + bfa_ioc_send_enable(ioc); break; default: @@ -538,35 +893,41 @@ bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event) } } -/** - * IOC disable completion entry. - */ + + static void -bfa_ioc_sm_disabled_entry(struct bfa_ioc_s *ioc) +bfa_iocpf_sm_ready_entry(struct bfa_iocpf_s *iocpf) { - bfa_ioc_disable_comp(ioc); + bfa_ioc_pf_enabled(iocpf->ioc); } static void -bfa_ioc_sm_disabled(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_iocpf_sm_ready(struct bfa_iocpf_s *iocpf, enum iocpf_event event) { + struct bfa_ioc_s *ioc = iocpf->ioc; + bfa_trc(ioc, event); switch (event) { - case IOC_E_ENABLE: - bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait); + case IOCPF_E_DISABLE: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); break; - case IOC_E_DISABLE: - ioc->cbfn->disable_cbfn(ioc->bfa); + case IOCPF_E_GETATTRFAIL: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); break; - case IOC_E_FWREADY: + case IOCPF_E_FAIL: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); break; - case IOC_E_DETACH: - bfa_ioc_firmware_unlock(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + case IOCPF_E_FWREADY: + if (bfa_ioc_is_operational(ioc)) + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); + else + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); + + bfa_ioc_pf_failed(ioc); break; default: @@ -576,34 +937,41 @@ bfa_ioc_sm_disabled(struct bfa_ioc_s *ioc, enum ioc_event event) static void -bfa_ioc_sm_initfail_entry(struct bfa_ioc_s *ioc) +bfa_iocpf_sm_disabling_entry(struct bfa_iocpf_s *iocpf) { - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); - bfa_ioc_timer_start(ioc); + bfa_iocpf_timer_start(iocpf->ioc); + bfa_ioc_send_disable(iocpf->ioc); } -/** - * Hardware initialization failed. +/* + * IOC is being disabled */ static void -bfa_ioc_sm_initfail(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_iocpf_sm_disabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event) { + struct bfa_ioc_s *ioc = iocpf->ioc; + bfa_trc(ioc, event); switch (event) { - case IOC_E_DISABLE: - bfa_ioc_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + case IOCPF_E_FWRSP_DISABLE: + case IOCPF_E_FWREADY: + bfa_iocpf_timer_stop(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; - case IOC_E_DETACH: - bfa_ioc_timer_stop(ioc); - bfa_ioc_firmware_unlock(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + case IOCPF_E_FAIL: + bfa_iocpf_timer_stop(ioc); + /* + * !!! fall through !!! + */ + + case IOCPF_E_TIMEOUT: + writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; - case IOC_E_TIMEOUT: - bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait); + case IOCPF_E_FWRSP_ENABLE: break; default: @@ -611,82 +979,118 @@ bfa_ioc_sm_initfail(struct bfa_ioc_s *ioc, enum ioc_event event) } } +/* + * IOC disable completion entry. + */ +static void +bfa_iocpf_sm_disabled_entry(struct bfa_iocpf_s *iocpf) +{ + bfa_ioc_pf_disabled(iocpf->ioc); +} static void -bfa_ioc_sm_hbfail_entry(struct bfa_ioc_s *ioc) +bfa_iocpf_sm_disabled(struct bfa_iocpf_s *iocpf, enum iocpf_event event) { - struct list_head *qe; - struct bfa_ioc_hbfail_notify_s *notify; + struct bfa_ioc_s *ioc = iocpf->ioc; - /** - * Mark IOC as failed in hardware and stop firmware. - */ - bfa_ioc_lpu_stop(ioc); - bfa_reg_write(ioc->ioc_regs.ioc_fwstate, BFI_IOC_FAIL); + bfa_trc(ioc, event); - /** - * Notify other functions on HB failure. - */ - bfa_ioc_notify_hbfail(ioc); + switch (event) { + case IOCPF_E_ENABLE: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); + break; - /** - * Notify driver and common modules registered for notification. - */ - ioc->cbfn->hbfail_cbfn(ioc->bfa); - list_for_each(qe, &ioc->hb_notify_q) { - notify = (struct bfa_ioc_hbfail_notify_s *)qe; - notify->cbfn(notify->cbarg); + case IOCPF_E_STOP: + bfa_ioc_firmware_unlock(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + break; + + default: + bfa_sm_fault(ioc, event); } +} - /** - * Flush any queued up mailbox requests. - */ - bfa_ioc_mbox_hbfail(ioc); - bfa_ioc_aen_post(ioc, BFA_IOC_AEN_HBFAIL); - /** - * Trigger auto-recovery after a delay. - */ - if (ioc->auto_recover) { - bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, - bfa_ioc_timeout, ioc, BFA_IOC_TOV_RECOVER); - } +static void +bfa_iocpf_sm_initfail_entry(struct bfa_iocpf_s *iocpf) +{ + bfa_iocpf_timer_start(iocpf->ioc); } -/** - * IOC heartbeat failure. +/* + * Hardware initialization failed. */ static void -bfa_ioc_sm_hbfail(struct bfa_ioc_s *ioc, enum ioc_event event) +bfa_iocpf_sm_initfail(struct bfa_iocpf_s *iocpf, enum iocpf_event event) { + struct bfa_ioc_s *ioc = iocpf->ioc; + bfa_trc(ioc, event); switch (event) { - - case IOC_E_ENABLE: - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); + case IOCPF_E_DISABLE: + bfa_iocpf_timer_stop(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; - case IOC_E_DISABLE: - if (ioc->auto_recover) - bfa_ioc_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + case IOCPF_E_STOP: + bfa_iocpf_timer_stop(ioc); + bfa_ioc_firmware_unlock(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); break; - case IOC_E_TIMEOUT: - bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait); + case IOCPF_E_TIMEOUT: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); break; - case IOC_E_FWREADY: - /** - * Recovery is already initiated by other function. - */ + default: + bfa_sm_fault(ioc, event); + } +} + + +static void +bfa_iocpf_sm_fail_entry(struct bfa_iocpf_s *iocpf) +{ + /* + * Mark IOC as failed in hardware and stop firmware. + */ + bfa_ioc_lpu_stop(iocpf->ioc); + writel(BFI_IOC_FAIL, iocpf->ioc->ioc_regs.ioc_fwstate); + + /* + * Notify other functions on HB failure. + */ + bfa_ioc_notify_hbfail(iocpf->ioc); + + /* + * Flush any queued up mailbox requests. + */ + bfa_ioc_mbox_hbfail(iocpf->ioc); + + if (iocpf->auto_recover) + bfa_iocpf_recovery_timer_start(iocpf->ioc); +} + +/* + * IOC is in failed state. + */ +static void +bfa_iocpf_sm_fail(struct bfa_iocpf_s *iocpf, enum iocpf_event event) +{ + struct bfa_ioc_s *ioc = iocpf->ioc; + + bfa_trc(ioc, event); + + switch (event) { + case IOCPF_E_DISABLE: + if (iocpf->auto_recover) + bfa_iocpf_timer_stop(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; - case IOC_E_HWERROR: - /* - * HB failure notification, ignore. - */ + case IOCPF_E_TIMEOUT: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); break; default: @@ -696,48 +1100,40 @@ bfa_ioc_sm_hbfail(struct bfa_ioc_s *ioc, enum ioc_event event) -/** - * bfa_ioc_pvt BFA IOC private functions +/* + * hal_ioc_pvt BFA IOC private functions */ static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc) { - struct list_head *qe; - struct bfa_ioc_hbfail_notify_s *notify; + struct list_head *qe; + struct bfa_ioc_hbfail_notify_s *notify; ioc->cbfn->disable_cbfn(ioc->bfa); - /** + /* * Notify common modules registered for notification. */ list_for_each(qe, &ioc->hb_notify_q) { - notify = (struct bfa_ioc_hbfail_notify_s *)qe; + notify = (struct bfa_ioc_hbfail_notify_s *) qe; notify->cbfn(notify->cbarg); } } -void -bfa_ioc_sem_timeout(void *ioc_arg) -{ - struct bfa_ioc_s *ioc = (struct bfa_ioc_s *)ioc_arg; - - bfa_ioc_hw_sem_get(ioc); -} - bfa_boolean_t -bfa_ioc_sem_get(bfa_os_addr_t sem_reg) +bfa_ioc_sem_get(void __iomem *sem_reg) { u32 r32; int cnt = 0; -#define BFA_SEM_SPINCNT 3000 +#define BFA_SEM_SPINCNT 3000 - r32 = bfa_reg_read(sem_reg); + r32 = readl(sem_reg); while (r32 && (cnt < BFA_SEM_SPINCNT)) { cnt++; - bfa_os_udelay(2); - r32 = bfa_reg_read(sem_reg); + udelay(2); + r32 = readl(sem_reg); } if (r32 == 0) @@ -748,68 +1144,71 @@ bfa_ioc_sem_get(bfa_os_addr_t sem_reg) } void -bfa_ioc_sem_release(bfa_os_addr_t sem_reg) +bfa_ioc_sem_release(void __iomem *sem_reg) { - bfa_reg_write(sem_reg, 1); + writel(1, sem_reg); } static void bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc) { - u32 r32; + u32 r32; - /** + /* * First read to the semaphore register will return 0, subsequent reads * will return 1. Semaphore is released by writing 1 to the register */ - r32 = bfa_reg_read(ioc->ioc_regs.ioc_sem_reg); + r32 = readl(ioc->ioc_regs.ioc_sem_reg); if (r32 == 0) { - bfa_fsm_send_event(ioc, IOC_E_SEMLOCKED); + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED); return; } - bfa_timer_begin(ioc->timer_mod, &ioc->sem_timer, bfa_ioc_sem_timeout, - ioc, BFA_IOC_HWSEM_TOV); + bfa_sem_timer_start(ioc); } void bfa_ioc_hw_sem_release(struct bfa_ioc_s *ioc) { - bfa_reg_write(ioc->ioc_regs.ioc_sem_reg, 1); + writel(1, ioc->ioc_regs.ioc_sem_reg); } static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc_s *ioc) { - bfa_timer_stop(&ioc->sem_timer); + bfa_sem_timer_stop(ioc); } -/** +/* * Initialize LPU local memory (aka secondary memory / SRAM) */ static void bfa_ioc_lmem_init(struct bfa_ioc_s *ioc) { - u32 pss_ctl; - int i; + u32 pss_ctl; + int i; #define PSS_LMEM_INIT_TIME 10000 - pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg); + pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); pss_ctl &= ~__PSS_LMEM_RESET; pss_ctl |= __PSS_LMEM_INIT_EN; - pss_ctl |= __PSS_I2C_CLK_DIV(3UL); /* i2c workaround 12.5khz clock */ - bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl); - /** + /* + * i2c workaround 12.5khz clock + */ + pss_ctl |= __PSS_I2C_CLK_DIV(3UL); + writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); + + /* * wait for memory initialization to be complete */ i = 0; do { - pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg); + pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); i++; } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME)); - /** + /* * If memory initialization is not successful, IOC timeout will catch * such failures. */ @@ -817,70 +1216,71 @@ bfa_ioc_lmem_init(struct bfa_ioc_s *ioc) bfa_trc(ioc, pss_ctl); pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN); - bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl); + writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); } static void bfa_ioc_lpu_start(struct bfa_ioc_s *ioc) { - u32 pss_ctl; + u32 pss_ctl; - /** + /* * Take processor out of reset. */ - pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg); + pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); pss_ctl &= ~__PSS_LPU0_RESET; - bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl); + writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); } static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc) { - u32 pss_ctl; + u32 pss_ctl; - /** + /* * Put processors in reset. */ - pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg); + pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET); - bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl); + writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); } -/** +/* * Get driver and firmware versions. */ void bfa_ioc_fwver_get(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr) { - u32 pgnum, pgoff; - u32 loff = 0; - int i; - u32 *fwsig = (u32 *) fwhdr; + u32 pgnum, pgoff; + u32 loff = 0; + int i; + u32 *fwsig = (u32 *) fwhdr; pgnum = bfa_ioc_smem_pgnum(ioc, loff); pgoff = bfa_ioc_smem_pgoff(ioc, loff); - bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum); + writel(pgnum, ioc->ioc_regs.host_page_num_fn); for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32)); i++) { - fwsig[i] = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); + fwsig[i] = + bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); loff += sizeof(u32); } } -/** +/* * Returns TRUE if same. */ bfa_boolean_t bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr) { struct bfi_ioc_image_hdr_s *drv_fwhdr; - int i; + int i; - drv_fwhdr = - (struct bfi_ioc_image_hdr_s *)bfa_ioc_fwimg_get_chunk(ioc, 0); + drv_fwhdr = (struct bfi_ioc_image_hdr_s *) + bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) { if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i]) { @@ -895,24 +1295,24 @@ bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr) return BFA_TRUE; } -/** +/* * Return true if current running version is valid. Firmware signature and * execution context (driver/bios) must match. */ -static bfa_boolean_t -bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc) +static bfa_boolean_t +bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc, u32 boot_env) { struct bfi_ioc_image_hdr_s fwhdr, *drv_fwhdr; - /** + /* * If bios/efi boot (flash based) -- return true */ - if (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ) + if (bfa_ioc_is_bios_optrom(ioc)) return BFA_TRUE; bfa_ioc_fwver_get(ioc, &fwhdr); - drv_fwhdr = - (struct bfi_ioc_image_hdr_s *)bfa_ioc_fwimg_get_chunk(ioc, 0); + drv_fwhdr = (struct bfi_ioc_image_hdr_s *) + bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); if (fwhdr.signature != drv_fwhdr->signature) { bfa_trc(ioc, fwhdr.signature); @@ -920,26 +1320,26 @@ bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc) return BFA_FALSE; } - if (fwhdr.exec != drv_fwhdr->exec) { - bfa_trc(ioc, fwhdr.exec); - bfa_trc(ioc, drv_fwhdr->exec); + if (swab32(fwhdr.param) != boot_env) { + bfa_trc(ioc, fwhdr.param); + bfa_trc(ioc, boot_env); return BFA_FALSE; } return bfa_ioc_fwver_cmp(ioc, &fwhdr); } -/** +/* * Conditionally flush any pending message from firmware at start. */ static void bfa_ioc_msgflush(struct bfa_ioc_s *ioc) { - u32 r32; + u32 r32; - r32 = bfa_reg_read(ioc->ioc_regs.lpu_mbox_cmd); + r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); if (r32) - bfa_reg_write(ioc->ioc_regs.lpu_mbox_cmd, 1); + writel(1, ioc->ioc_regs.lpu_mbox_cmd); } @@ -947,63 +1347,87 @@ static void bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force) { enum bfi_ioc_state ioc_fwstate; - bfa_boolean_t fwvalid; + bfa_boolean_t fwvalid; + u32 boot_type; + u32 boot_env; - ioc_fwstate = bfa_reg_read(ioc->ioc_regs.ioc_fwstate); + ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate); if (force) ioc_fwstate = BFI_IOC_UNINIT; bfa_trc(ioc, ioc_fwstate); - /** + boot_type = BFI_BOOT_TYPE_NORMAL; + boot_env = BFI_BOOT_LOADER_OS; + + /* + * Flash based firmware boot BIOS env. + */ + if (bfa_ioc_is_bios_optrom(ioc)) { + boot_type = BFI_BOOT_TYPE_FLASH; + boot_env = BFI_BOOT_LOADER_BIOS; + } + + /* + * Flash based firmware boot UEFI env. + */ + if (bfa_ioc_is_uefi(ioc)) { + boot_type = BFI_BOOT_TYPE_FLASH; + boot_env = BFI_BOOT_LOADER_UEFI; + } + + /* * check if firmware is valid */ fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? - BFA_FALSE : bfa_ioc_fwver_valid(ioc); + BFA_FALSE : bfa_ioc_fwver_valid(ioc, boot_env); if (!fwvalid) { - bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, ioc->pcidev.device_id); + bfa_ioc_boot(ioc, boot_type, boot_env); return; } - /** + /* * If hardware initialization is in progress (initialized by other IOC), * just wait for an initialization completion interrupt. */ if (ioc_fwstate == BFI_IOC_INITING) { - bfa_trc(ioc, ioc_fwstate); ioc->cbfn->reset_cbfn(ioc->bfa); return; } - /** + /* * If IOC function is disabled and firmware version is same, * just re-enable IOC. + * + * If option rom, IOC must not be in operational state. With + * convergence, IOC will be in operational state when 2nd driver + * is loaded. */ - if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) { - bfa_trc(ioc, ioc_fwstate); + if (ioc_fwstate == BFI_IOC_DISABLED || + (!bfa_ioc_is_bios_optrom(ioc) && ioc_fwstate == BFI_IOC_OP)) { - /** + /* * When using MSI-X any pending firmware ready event should * be flushed. Otherwise MSI-X interrupts are not delivered. */ bfa_ioc_msgflush(ioc); ioc->cbfn->reset_cbfn(ioc->bfa); - bfa_fsm_send_event(ioc, IOC_E_FWREADY); + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); return; } - /** + /* * Initialize the h/w for any other states. */ - bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, ioc->pcidev.device_id); + bfa_ioc_boot(ioc, boot_type, boot_env); } static void bfa_ioc_timeout(void *ioc_arg) { - struct bfa_ioc_s *ioc = (struct bfa_ioc_s *)ioc_arg; + struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; bfa_trc(ioc, 0); bfa_fsm_send_event(ioc, IOC_E_TIMEOUT); @@ -1012,8 +1436,8 @@ bfa_ioc_timeout(void *ioc_arg) void bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len) { - u32 *msgp = (u32 *) ioc_msg; - u32 i; + u32 *msgp = (u32 *) ioc_msg; + u32 i; bfa_trc(ioc, msgp[0]); bfa_trc(ioc, len); @@ -1024,27 +1448,30 @@ bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len) * first write msg to mailbox registers */ for (i = 0; i < len / sizeof(u32); i++) - bfa_reg_write(ioc->ioc_regs.hfn_mbox + i * sizeof(u32), - bfa_os_wtole(msgp[i])); + writel(cpu_to_le32(msgp[i]), + ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++) - bfa_reg_write(ioc->ioc_regs.hfn_mbox + i * sizeof(u32), 0); + writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); /* * write 1 to mailbox CMD to trigger LPU event */ - bfa_reg_write(ioc->ioc_regs.hfn_mbox_cmd, 1); - (void)bfa_reg_read(ioc->ioc_regs.hfn_mbox_cmd); + writel(1, ioc->ioc_regs.hfn_mbox_cmd); + (void) readl(ioc->ioc_regs.hfn_mbox_cmd); } static void bfa_ioc_send_enable(struct bfa_ioc_s *ioc) { struct bfi_ioc_ctrl_req_s enable_req; + struct bfa_timeval_s tv; bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, bfa_ioc_portid(ioc)); enable_req.ioc_class = ioc->ioc_mc; + bfa_os_gettimeofday(&tv); + enable_req.tv_sec = be32_to_cpu(tv.tv_sec); bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req_s)); } @@ -1061,7 +1488,7 @@ bfa_ioc_send_disable(struct bfa_ioc_s *ioc) static void bfa_ioc_send_getattr(struct bfa_ioc_s *ioc) { - struct bfi_ioc_getattr_req_s attr_req; + struct bfi_ioc_getattr_req_s attr_req; bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ, bfa_ioc_portid(ioc)); @@ -1073,12 +1500,11 @@ static void bfa_ioc_hb_check(void *cbarg) { struct bfa_ioc_s *ioc = cbarg; - u32 hb_count; + u32 hb_count; - hb_count = bfa_reg_read(ioc->ioc_regs.heartbeat); + hb_count = readl(ioc->ioc_regs.heartbeat); if (ioc->hb_count == hb_count) { - bfa_log(ioc->logm, BFA_LOG_HAL_HEARTBEAT_FAILURE, - hb_count); + printk(KERN_CRIT "Firmware heartbeat failure at %d", hb_count); bfa_ioc_recover(ioc); return; } else { @@ -1086,64 +1512,58 @@ bfa_ioc_hb_check(void *cbarg) } bfa_ioc_mbox_poll(ioc); - bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, bfa_ioc_hb_check, - ioc, BFA_IOC_HB_TOV); + bfa_hb_timer_start(ioc); } static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc) { - ioc->hb_count = bfa_reg_read(ioc->ioc_regs.heartbeat); - bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, bfa_ioc_hb_check, ioc, - BFA_IOC_HB_TOV); + ioc->hb_count = readl(ioc->ioc_regs.heartbeat); + bfa_hb_timer_start(ioc); } static void bfa_ioc_hb_stop(struct bfa_ioc_s *ioc) { - bfa_timer_stop(&ioc->ioc_timer); + bfa_hb_timer_stop(ioc); } -/** - * Initiate a full firmware download. + +/* + * Initiate a full firmware download. */ static void bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type, - u32 boot_param) + u32 boot_env) { - u32 *fwimg; - u32 pgnum, pgoff; - u32 loff = 0; - u32 chunkno = 0; - u32 i; + u32 *fwimg; + u32 pgnum, pgoff; + u32 loff = 0; + u32 chunkno = 0; + u32 i; - /** + /* * Initialize LMEM first before code download */ bfa_ioc_lmem_init(ioc); - /** - * Flash based firmware boot - */ - bfa_trc(ioc, bfa_ioc_fwimg_get_size(ioc)); - 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); + bfa_trc(ioc, bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc))); + fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), chunkno); pgnum = bfa_ioc_smem_pgnum(ioc, loff); pgoff = bfa_ioc_smem_pgoff(ioc, loff); - bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum); + writel(pgnum, ioc->ioc_regs.host_page_num_fn); - for (i = 0; i < bfa_ioc_fwimg_get_size(ioc); i++) { + for (i = 0; i < bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)); i++) { if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) { chunkno = BFA_IOC_FLASH_CHUNK_NO(i); - fwimg = bfa_ioc_fwimg_get_chunk(ioc, + fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); } - /** + /* * write smem */ bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, @@ -1151,26 +1571,25 @@ bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type, loff += sizeof(u32); - /** + /* * handle page offset wrap around */ loff = PSS_SMEM_PGOFF(loff); if (loff == 0) { pgnum++; - bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum); + writel(pgnum, ioc->ioc_regs.host_page_num_fn); } } - bfa_reg_write(ioc->ioc_regs.host_page_num_fn, - bfa_ioc_smem_pgnum(ioc, 0)); + writel(bfa_ioc_smem_pgnum(ioc, 0), ioc->ioc_regs.host_page_num_fn); /* * 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)); + swab32(boot_type)); + bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_BOOT_LOADER_OFF, + swab32(boot_env)); } static void @@ -1179,28 +1598,29 @@ bfa_ioc_reset(struct bfa_ioc_s *ioc, bfa_boolean_t force) bfa_ioc_hwinit(ioc, force); } -/** +/* * Update BFA configuration from firmware configuration. */ static void bfa_ioc_getattr_reply(struct bfa_ioc_s *ioc) { - struct bfi_ioc_attr_s *attr = ioc->attr; + struct bfi_ioc_attr_s *attr = ioc->attr; - attr->adapter_prop = bfa_os_ntohl(attr->adapter_prop); - attr->maxfrsize = bfa_os_ntohs(attr->maxfrsize); + attr->adapter_prop = be32_to_cpu(attr->adapter_prop); + attr->card_type = be32_to_cpu(attr->card_type); + attr->maxfrsize = be16_to_cpu(attr->maxfrsize); bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR); } -/** +/* * Attach time initialization of mbox logic. */ static void bfa_ioc_mbox_attach(struct bfa_ioc_s *ioc) { - struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; - int mc; + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + int mc; INIT_LIST_HEAD(&mod->cmd_q); for (mc = 0; mc < BFI_MC_MAX; mc++) { @@ -1209,89 +1629,257 @@ bfa_ioc_mbox_attach(struct bfa_ioc_s *ioc) } } -/** +/* * Mbox poll timer -- restarts any pending mailbox requests. */ static void bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc) { - struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; - struct bfa_mbox_cmd_s *cmd; - u32 stat; + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + struct bfa_mbox_cmd_s *cmd; + u32 stat; - /** + /* * If no command pending, do nothing */ if (list_empty(&mod->cmd_q)) return; - /** + /* * If previous command is not yet fetched by firmware, do nothing */ - stat = bfa_reg_read(ioc->ioc_regs.hfn_mbox_cmd); + stat = readl(ioc->ioc_regs.hfn_mbox_cmd); if (stat) return; - /** + /* * Enqueue command to firmware. */ bfa_q_deq(&mod->cmd_q, &cmd); bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); } -/** +/* * Cleanup any pending requests. */ static void bfa_ioc_mbox_hbfail(struct bfa_ioc_s *ioc) { - struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; - struct bfa_mbox_cmd_s *cmd; + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + struct bfa_mbox_cmd_s *cmd; while (!list_empty(&mod->cmd_q)) bfa_q_deq(&mod->cmd_q, &cmd); } -/** - * bfa_ioc_public +/* + * Read data from SMEM to host through PCI memmap + * + * @param[in] ioc memory for IOC + * @param[in] tbuf app memory to store data from smem + * @param[in] soff smem offset + * @param[in] sz size of smem in bytes + */ +static bfa_status_t +bfa_ioc_smem_read(struct bfa_ioc_s *ioc, void *tbuf, u32 soff, u32 sz) +{ + u32 pgnum, loff, r32; + int i, len; + u32 *buf = tbuf; + + pgnum = bfa_ioc_smem_pgnum(ioc, soff); + loff = bfa_ioc_smem_pgoff(ioc, soff); + bfa_trc(ioc, pgnum); + bfa_trc(ioc, loff); + bfa_trc(ioc, sz); + + /* + * Hold semaphore to serialize pll init and fwtrc. + */ + if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) { + bfa_trc(ioc, 0); + return BFA_STATUS_FAILED; + } + + writel(pgnum, ioc->ioc_regs.host_page_num_fn); + + len = sz/sizeof(u32); + bfa_trc(ioc, len); + for (i = 0; i < len; i++) { + r32 = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); + buf[i] = be32_to_cpu(r32); + loff += sizeof(u32); + + /* + * handle page offset wrap around + */ + loff = PSS_SMEM_PGOFF(loff); + if (loff == 0) { + pgnum++; + writel(pgnum, ioc->ioc_regs.host_page_num_fn); + } + } + writel(bfa_ioc_smem_pgnum(ioc, 0), ioc->ioc_regs.host_page_num_fn); + /* + * release semaphore. + */ + bfa_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); + + bfa_trc(ioc, pgnum); + return BFA_STATUS_OK; +} + +/* + * Clear SMEM data from host through PCI memmap + * + * @param[in] ioc memory for IOC + * @param[in] soff smem offset + * @param[in] sz size of smem in bytes */ +static bfa_status_t +bfa_ioc_smem_clr(struct bfa_ioc_s *ioc, u32 soff, u32 sz) +{ + int i, len; + u32 pgnum, loff; + + pgnum = bfa_ioc_smem_pgnum(ioc, soff); + loff = bfa_ioc_smem_pgoff(ioc, soff); + bfa_trc(ioc, pgnum); + bfa_trc(ioc, loff); + bfa_trc(ioc, sz); + + /* + * Hold semaphore to serialize pll init and fwtrc. + */ + if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) { + bfa_trc(ioc, 0); + return BFA_STATUS_FAILED; + } + + writel(pgnum, ioc->ioc_regs.host_page_num_fn); + + len = sz/sizeof(u32); /* len in words */ + bfa_trc(ioc, len); + for (i = 0; i < len; i++) { + bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, 0); + loff += sizeof(u32); -/** + /* + * handle page offset wrap around + */ + loff = PSS_SMEM_PGOFF(loff); + if (loff == 0) { + pgnum++; + writel(pgnum, ioc->ioc_regs.host_page_num_fn); + } + } + writel(bfa_ioc_smem_pgnum(ioc, 0), ioc->ioc_regs.host_page_num_fn); + + /* + * release semaphore. + */ + bfa_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); + bfa_trc(ioc, pgnum); + return BFA_STATUS_OK; +} + +/* + * hal iocpf to ioc interface + */ +static void +bfa_ioc_pf_enabled(struct bfa_ioc_s *ioc) +{ + bfa_fsm_send_event(ioc, IOC_E_ENABLED); +} + +static void +bfa_ioc_pf_disabled(struct bfa_ioc_s *ioc) +{ + bfa_fsm_send_event(ioc, IOC_E_DISABLED); +} + +static void +bfa_ioc_pf_failed(struct bfa_ioc_s *ioc) +{ + bfa_fsm_send_event(ioc, IOC_E_FAILED); +} + +static void +bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc) +{ + struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; + /* + * Provide enable completion callback. + */ + ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); + BFA_LOG(KERN_WARNING, bfad, log_level, + "Running firmware version is incompatible " + "with the driver version\n"); +} + + + +/* + * hal_ioc_public + */ + +bfa_status_t +bfa_ioc_pll_init(struct bfa_ioc_s *ioc) +{ + + /* + * Hold semaphore so that nobody can access the chip during init. + */ + bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); + + bfa_ioc_pll_init_asic(ioc); + + ioc->pllinit = BFA_TRUE; + /* + * release semaphore. + */ + bfa_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); + + return BFA_STATUS_OK; +} + +/* * Interface used by diag module to do firmware boot with memory test * as the entry vector. */ void -bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_param) +bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_env) { - bfa_os_addr_t rb; + void __iomem *rb; bfa_ioc_stats(ioc, ioc_boots); if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK) return; - /** + /* * Initialize IOC state of all functions on a chip reset. */ rb = ioc->pcidev.pci_bar_kva; - if (boot_param == BFI_BOOT_TYPE_MEMTEST) { - bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_MEMTEST); - bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_MEMTEST); + if (boot_type == BFI_BOOT_TYPE_MEMTEST) { + writel(BFI_IOC_MEMTEST, (rb + BFA_IOC0_STATE_REG)); + writel(BFI_IOC_MEMTEST, (rb + BFA_IOC1_STATE_REG)); } else { - bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_INITING); - bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_INITING); + writel(BFI_IOC_INITING, (rb + BFA_IOC0_STATE_REG)); + writel(BFI_IOC_INITING, (rb + BFA_IOC1_STATE_REG)); } - bfa_ioc_download_fw(ioc, boot_type, boot_param); + bfa_ioc_msgflush(ioc); + bfa_ioc_download_fw(ioc, boot_type, boot_env); - /** + /* * Enable interrupts just before starting LPU */ ioc->cbfn->reset_cbfn(ioc->bfa); bfa_ioc_lpu_start(ioc); } -/** +/* * Enable/disable IOC failure auto recovery. */ void @@ -1301,42 +1889,54 @@ bfa_ioc_auto_recover(bfa_boolean_t auto_recover) } + bfa_boolean_t bfa_ioc_is_operational(struct bfa_ioc_s *ioc) { return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); } +bfa_boolean_t +bfa_ioc_is_initialized(struct bfa_ioc_s *ioc) +{ + u32 r32 = readl(ioc->ioc_regs.ioc_fwstate); + + return ((r32 != BFI_IOC_UNINIT) && + (r32 != BFI_IOC_INITING) && + (r32 != BFI_IOC_MEMTEST)); +} + void bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg) { - u32 *msgp = mbmsg; - u32 r32; - int i; + u32 *msgp = mbmsg; + u32 r32; + int i; - /** + /* * read the MBOX msg */ for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32)); i++) { - r32 = bfa_reg_read(ioc->ioc_regs.lpu_mbox + + r32 = readl(ioc->ioc_regs.lpu_mbox + i * sizeof(u32)); - msgp[i] = bfa_os_htonl(r32); + msgp[i] = cpu_to_be32(r32); } - /** + /* * turn off mailbox interrupt by clearing mailbox status */ - bfa_reg_write(ioc->ioc_regs.lpu_mbox_cmd, 1); - bfa_reg_read(ioc->ioc_regs.lpu_mbox_cmd); + writel(1, ioc->ioc_regs.lpu_mbox_cmd); + readl(ioc->ioc_regs.lpu_mbox_cmd); } void bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m) { - union bfi_ioc_i2h_msg_u *msg; + union bfi_ioc_i2h_msg_u *msg; + struct bfa_iocpf_s *iocpf = &ioc->iocpf; - msg = (union bfi_ioc_i2h_msg_u *)m; + msg = (union bfi_ioc_i2h_msg_u *) m; bfa_ioc_stats(ioc, ioc_isrs); @@ -1345,15 +1945,15 @@ bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m) break; case BFI_IOC_I2H_READY_EVENT: - bfa_fsm_send_event(ioc, IOC_E_FWREADY); + bfa_fsm_send_event(iocpf, IOCPF_E_FWREADY); break; case BFI_IOC_I2H_ENABLE_REPLY: - bfa_fsm_send_event(ioc, IOC_E_FWRSP_ENABLE); + bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); break; case BFI_IOC_I2H_DISABLE_REPLY: - bfa_fsm_send_event(ioc, IOC_E_FWRSP_DISABLE); + bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE); break; case BFI_IOC_I2H_GETATTR_REPLY: @@ -1366,37 +1966,32 @@ bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m) } } -/** +/* * IOC attach time initialization and setup. * * @param[in] ioc memory for IOC * @param[in] bfa driver instance structure - * @param[in] trcmod kernel trace module - * @param[in] aen kernel aen event module - * @param[in] logm kernel logging module */ void bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa, struct bfa_ioc_cbfn_s *cbfn, - struct bfa_timer_mod_s *timer_mod, struct bfa_trc_mod_s *trcmod, - struct bfa_aen_s *aen, struct bfa_log_mod_s *logm) -{ - ioc->bfa = bfa; - ioc->cbfn = cbfn; - ioc->timer_mod = timer_mod; - ioc->trcmod = trcmod; - ioc->aen = aen; - ioc->logm = logm; - ioc->fcmode = BFA_FALSE; - ioc->pllinit = BFA_FALSE; + struct bfa_timer_mod_s *timer_mod) +{ + ioc->bfa = bfa; + ioc->cbfn = cbfn; + ioc->timer_mod = timer_mod; + ioc->fcmode = BFA_FALSE; + ioc->pllinit = BFA_FALSE; ioc->dbg_fwsave_once = BFA_TRUE; + ioc->iocpf.ioc = ioc; bfa_ioc_mbox_attach(ioc); INIT_LIST_HEAD(&ioc->hb_notify_q); - bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + bfa_fsm_send_event(ioc, IOC_E_RESET); } -/** +/* * Driver detach time IOC cleanup. */ void @@ -1405,7 +2000,7 @@ bfa_ioc_detach(struct bfa_ioc_s *ioc) bfa_fsm_send_event(ioc, IOC_E_DETACH); } -/** +/* * Setup IOC PCI properties. * * @param[in] pcidev PCI device information for this IOC @@ -1414,12 +2009,12 @@ void bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev, enum bfi_mclass mc) { - ioc->ioc_mc = mc; - ioc->pcidev = *pcidev; - ioc->ctdev = (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT); - ioc->cna = ioc->ctdev && !ioc->fcmode; + ioc->ioc_mc = mc; + ioc->pcidev = *pcidev; + ioc->ctdev = bfa_asic_id_ct(ioc->pcidev.device_id); + ioc->cna = ioc->ctdev && !ioc->fcmode; - /** + /* * Set asic specific interfaces. See bfa_ioc_cb.c and bfa_ioc_ct.c */ if (ioc->ctdev) @@ -1431,24 +2026,24 @@ bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev, bfa_ioc_reg_init(ioc); } -/** +/* * Initialize IOC dma memory * * @param[in] dm_kva kernel virtual address of IOC dma memory * @param[in] dm_pa physical address of IOC dma memory */ void -bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa) +bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa) { - /** + /* * dma memory for firmware attribute */ ioc->attr_dma.kva = dm_kva; ioc->attr_dma.pa = dm_pa; - ioc->attr = (struct bfi_ioc_attr_s *)dm_kva; + ioc->attr = (struct bfi_ioc_attr_s *) dm_kva; } -/** +/* * Return size of dma memory required. */ u32 @@ -1473,7 +2068,7 @@ bfa_ioc_disable(struct bfa_ioc_s *ioc) bfa_fsm_send_event(ioc, IOC_E_DISABLE); } -/** +/* * Returns memory required for saving firmware trace in case of crash. * Driver must call this interface to allocate memory required for * automatic saving of firmware trace. Driver should call @@ -1483,18 +2078,18 @@ bfa_ioc_disable(struct bfa_ioc_s *ioc) int bfa_ioc_debug_trcsz(bfa_boolean_t auto_recover) { -return (auto_recover) ? BFA_DBG_FWTRC_LEN : 0; + return (auto_recover) ? BFA_DBG_FWTRC_LEN : 0; } -/** +/* * Initialize memory for saving firmware trace. Driver must initialize * trace memory before call bfa_ioc_enable(). */ void bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave) { - ioc->dbg_fwsave = dbg_fwsave; - ioc->dbg_fwsave_len = bfa_ioc_debug_trcsz(ioc->auto_recover); + ioc->dbg_fwsave = dbg_fwsave; + ioc->dbg_fwsave_len = bfa_ioc_debug_trcsz(ioc->iocpf.auto_recover); } u32 @@ -1509,7 +2104,7 @@ bfa_ioc_smem_pgoff(struct bfa_ioc_s *ioc, u32 fmaddr) return PSS_SMEM_PGOFF(fmaddr); } -/** +/* * Register mailbox message handler functions * * @param[in] ioc IOC instance @@ -1518,27 +2113,27 @@ bfa_ioc_smem_pgoff(struct bfa_ioc_s *ioc, u32 fmaddr) void bfa_ioc_mbox_register(struct bfa_ioc_s *ioc, bfa_ioc_mbox_mcfunc_t *mcfuncs) { - struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; - int mc; + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + int mc; for (mc = 0; mc < BFI_MC_MAX; mc++) mod->mbhdlr[mc].cbfn = mcfuncs[mc]; } -/** +/* * Register mailbox message handler function, to be called by common modules */ void bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc, bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) { - struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; - mod->mbhdlr[mc].cbfn = cbfn; - mod->mbhdlr[mc].cbarg = cbarg; + mod->mbhdlr[mc].cbfn = cbfn; + mod->mbhdlr[mc].cbarg = cbarg; } -/** +/* * Queue a mailbox command request to firmware. Waits if mailbox is busy. * Responsibility of caller to serialize * @@ -1548,10 +2143,10 @@ bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc, void bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd) { - struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; - u32 stat; + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + u32 stat; - /** + /* * If a previous command is pending, queue new command */ if (!list_empty(&mod->cmd_q)) { @@ -1559,34 +2154,34 @@ bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd) return; } - /** + /* * If mailbox is busy, queue command for poll timer */ - stat = bfa_reg_read(ioc->ioc_regs.hfn_mbox_cmd); + stat = readl(ioc->ioc_regs.hfn_mbox_cmd); if (stat) { list_add_tail(&cmd->qe, &mod->cmd_q); return; } - /** + /* * mailbox is free -- queue command to firmware */ bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); } -/** +/* * Handle mailbox interrupts */ void bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc) { - struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; - struct bfi_mbmsg_s m; - int mc; + struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; + struct bfi_mbmsg_s m; + int mc; bfa_ioc_msgget(ioc, &m); - /** + /* * Treat IOC message class as special. */ mc = m.mh.msg_class; @@ -1607,27 +2202,32 @@ bfa_ioc_error_isr(struct bfa_ioc_s *ioc) bfa_fsm_send_event(ioc, IOC_E_HWERROR); } -#ifndef BFA_BIOS_BUILD +void +bfa_ioc_set_fcmode(struct bfa_ioc_s *ioc) +{ + ioc->fcmode = BFA_TRUE; + ioc->port_id = bfa_ioc_pcifn(ioc); +} -/** +/* * return true if IOC is disabled */ bfa_boolean_t bfa_ioc_is_disabled(struct bfa_ioc_s *ioc) { - return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) - || bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled); + return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) || + bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled); } -/** +/* * return true if IOC firmware is different. */ bfa_boolean_t bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc) { - return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_reset) - || bfa_fsm_cmp_state(ioc, bfa_ioc_sm_fwcheck) - || bfa_fsm_cmp_state(ioc, bfa_ioc_sm_mismatch); + return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_reset) || + bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_fwcheck) || + bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_mismatch); } #define bfa_ioc_state_disabled(__sm) \ @@ -1638,33 +2238,35 @@ bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc) ((__sm) == BFI_IOC_FAIL) || \ ((__sm) == BFI_IOC_CFG_DISABLED)) -/** +/* * Check if adapter is disabled -- both IOCs should be in a disabled * state. */ bfa_boolean_t bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc) { - u32 ioc_state; - bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva; + u32 ioc_state; + void __iomem *rb = ioc->pcidev.pci_bar_kva; if (!bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled)) return BFA_FALSE; - ioc_state = bfa_reg_read(rb + BFA_IOC0_STATE_REG); + ioc_state = readl(rb + BFA_IOC0_STATE_REG); if (!bfa_ioc_state_disabled(ioc_state)) return BFA_FALSE; - ioc_state = bfa_reg_read(rb + BFA_IOC1_STATE_REG); - if (!bfa_ioc_state_disabled(ioc_state)) - return BFA_FALSE; + if (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_FC_8G1P) { + ioc_state = readl(rb + BFA_IOC1_STATE_REG); + if (!bfa_ioc_state_disabled(ioc_state)) + return BFA_FALSE; + } return BFA_TRUE; } -/** +/* * Add to IOC heartbeat failure notification queue. To be used by common - * modules such as + * modules such as cee, port, diag. */ void bfa_ioc_hbfail_register(struct bfa_ioc_s *ioc, @@ -1678,7 +2280,7 @@ void bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc, struct bfa_adapter_attr_s *ad_attr) { - struct bfi_ioc_attr_s *ioc_attr; + struct bfi_ioc_attr_s *ioc_attr; ioc_attr = ioc->attr; @@ -1686,7 +2288,7 @@ bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc, bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver); bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver); bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer); - bfa_os_memcpy(&ad_attr->vpd, &ioc_attr->vpd, + memcpy(&ad_attr->vpd, &ioc_attr->vpd, sizeof(struct bfa_mfg_vpd_s)); ad_attr->nports = bfa_ioc_get_nports(ioc); @@ -1696,13 +2298,16 @@ bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc, /* For now, model descr uses same model string */ bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr); + ad_attr->card_type = ioc_attr->card_type; + ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type); + if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop)) ad_attr->prototype = 1; else ad_attr->prototype = 0; ad_attr->pwwn = bfa_ioc_get_pwwn(ioc); - ad_attr->mac = bfa_ioc_get_mac(ioc); + ad_attr->mac = bfa_ioc_get_mac(ioc); ad_attr->pcie_gen = ioc_attr->pcie_gen; ad_attr->pcie_lanes = ioc_attr->pcie_lanes; @@ -1712,6 +2317,7 @@ bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc, bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver); ad_attr->cna_capable = ioc->cna; + ad_attr->trunk_capable = (ad_attr->nports > 1) && !ioc->cna; } enum bfa_ioc_type_e @@ -1732,8 +2338,8 @@ bfa_ioc_get_type(struct bfa_ioc_s *ioc) void bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num) { - bfa_os_memset((void *)serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN); - bfa_os_memcpy((void *)serial_num, + memset((void *)serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN); + memcpy((void *)serial_num, (void *)ioc->attr->brcd_serialnum, BFA_ADAPTER_SERIAL_NUM_LEN); } @@ -1741,8 +2347,8 @@ bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num) void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver) { - bfa_os_memset((void *)fw_ver, 0, BFA_VERSION_LEN); - bfa_os_memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); + memset((void *)fw_ver, 0, BFA_VERSION_LEN); + memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); } void @@ -1750,7 +2356,7 @@ bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev) { bfa_assert(chip_rev); - bfa_os_memset((void *)chip_rev, 0, BFA_IOC_CHIP_REV_LEN); + memset((void *)chip_rev, 0, BFA_IOC_CHIP_REV_LEN); chip_rev[0] = 'R'; chip_rev[1] = 'e'; @@ -1763,56 +2369,79 @@ bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev) void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s *ioc, char *optrom_ver) { - bfa_os_memset((void *)optrom_ver, 0, BFA_VERSION_LEN); - bfa_os_memcpy(optrom_ver, ioc->attr->optrom_version, - BFA_VERSION_LEN); + memset((void *)optrom_ver, 0, BFA_VERSION_LEN); + memcpy(optrom_ver, ioc->attr->optrom_version, + BFA_VERSION_LEN); } void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s *ioc, char *manufacturer) { - bfa_os_memset((void *)manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN); - bfa_os_memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN); + memset((void *)manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN); + memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN); } void bfa_ioc_get_adapter_model(struct bfa_ioc_s *ioc, char *model) { - struct bfi_ioc_attr_s *ioc_attr; - u8 nports; - u8 max_speed; + struct bfi_ioc_attr_s *ioc_attr; bfa_assert(model); - bfa_os_memset((void *)model, 0, BFA_ADAPTER_MODEL_NAME_LEN); + memset((void *)model, 0, BFA_ADAPTER_MODEL_NAME_LEN); ioc_attr = ioc->attr; - nports = bfa_ioc_get_nports(ioc); - max_speed = bfa_ioc_speed_sup(ioc); - - /** + /* * model name */ - if (max_speed == 10) { - strcpy(model, "BR-10?0"); - model[5] = '0' + nports; - } else { - strcpy(model, "Brocade-??5"); - model[8] = '0' + max_speed; - model[9] = '0' + nports; - } + snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u", + BFA_MFG_NAME, ioc_attr->card_type); } enum bfa_ioc_state bfa_ioc_get_state(struct bfa_ioc_s *ioc) { - return bfa_sm_to_state(ioc_sm_table, ioc->fsm); + enum bfa_iocpf_state iocpf_st; + enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm); + + if (ioc_st == BFA_IOC_ENABLING || + ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) { + + iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); + + switch (iocpf_st) { + case BFA_IOCPF_SEMWAIT: + ioc_st = BFA_IOC_SEMWAIT; + break; + + case BFA_IOCPF_HWINIT: + ioc_st = BFA_IOC_HWINIT; + break; + + case BFA_IOCPF_FWMISMATCH: + ioc_st = BFA_IOC_FWMISMATCH; + break; + + case BFA_IOCPF_FAIL: + ioc_st = BFA_IOC_FAIL; + break; + + case BFA_IOCPF_INITFAIL: + ioc_st = BFA_IOC_INITFAIL; + break; + + default: + break; + } + } + + return ioc_st; } void bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr) { - bfa_os_memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s)); + memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s)); ioc_attr->state = bfa_ioc_get_state(ioc); ioc_attr->port_id = ioc->port_id; @@ -1826,140 +2455,79 @@ bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr) bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); } -/** +/* * hal_wwn_public */ wwn_t bfa_ioc_get_pwwn(struct bfa_ioc_s *ioc) { - union { - wwn_t wwn; - u8 byte[sizeof(wwn_t)]; - } - w; - - w.wwn = ioc->attr->mfg_wwn; - - if (bfa_ioc_portid(ioc) == 1) - w.byte[7]++; - - return w.wwn; + return ioc->attr->pwwn; } wwn_t bfa_ioc_get_nwwn(struct bfa_ioc_s *ioc) { - union { - wwn_t wwn; - u8 byte[sizeof(wwn_t)]; - } - w; - - w.wwn = ioc->attr->mfg_wwn; - - if (bfa_ioc_portid(ioc) == 1) - w.byte[7]++; - - w.byte[0] = 0x20; - - return w.wwn; -} - -wwn_t -bfa_ioc_get_wwn_naa5(struct bfa_ioc_s *ioc, u16 inst) -{ - union { - wwn_t wwn; - u8 byte[sizeof(wwn_t)]; - } - w , w5; - - bfa_trc(ioc, inst); - - w.wwn = ioc->attr->mfg_wwn; - w5.byte[0] = 0x50 | w.byte[2] >> 4; - w5.byte[1] = w.byte[2] << 4 | w.byte[3] >> 4; - w5.byte[2] = w.byte[3] << 4 | w.byte[4] >> 4; - w5.byte[3] = w.byte[4] << 4 | w.byte[5] >> 4; - w5.byte[4] = w.byte[5] << 4 | w.byte[6] >> 4; - w5.byte[5] = w.byte[6] << 4 | w.byte[7] >> 4; - w5.byte[6] = w.byte[7] << 4 | (inst & 0x0f00) >> 8; - w5.byte[7] = (inst & 0xff); - - return w5.wwn; + return ioc->attr->nwwn; } u64 bfa_ioc_get_adid(struct bfa_ioc_s *ioc) { - return ioc->attr->mfg_wwn; + return ioc->attr->mfg_pwwn; } mac_t bfa_ioc_get_mac(struct bfa_ioc_s *ioc) { - mac_t mac; - - mac = ioc->attr->mfg_mac; - mac.mac[MAC_ADDRLEN - 1] += bfa_ioc_pcifn(ioc); - - return mac; + /* + * Check the IOC type and return the appropriate MAC + */ + if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_FCoE) + return ioc->attr->fcoe_mac; + else + return ioc->attr->mac; } -void -bfa_ioc_set_fcmode(struct bfa_ioc_s *ioc) +wwn_t +bfa_ioc_get_mfg_pwwn(struct bfa_ioc_s *ioc) { - ioc->fcmode = BFA_TRUE; - ioc->port_id = bfa_ioc_pcifn(ioc); + return ioc->attr->mfg_pwwn; } -bfa_boolean_t -bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc) +wwn_t +bfa_ioc_get_mfg_nwwn(struct bfa_ioc_s *ioc) { - return ioc->fcmode || (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_CT); + return ioc->attr->mfg_nwwn; } -/** - * Send AEN notification - */ -static void -bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event) +mac_t +bfa_ioc_get_mfg_mac(struct bfa_ioc_s *ioc) { - union bfa_aen_data_u aen_data; - struct bfa_log_mod_s *logmod = ioc->logm; - s32 inst_num = 0; - enum bfa_ioc_type_e ioc_type; + mac_t m; - bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_IOC, event), inst_num); + m = ioc->attr->mfg_mac; + if (bfa_mfg_is_old_wwn_mac_model(ioc->attr->card_type)) + m.mac[MAC_ADDRLEN - 1] += bfa_ioc_pcifn(ioc); + else + bfa_mfg_increment_wwn_mac(&(m.mac[MAC_ADDRLEN-3]), + bfa_ioc_pcifn(ioc)); - memset(&aen_data.ioc.pwwn, 0, sizeof(aen_data.ioc.pwwn)); - memset(&aen_data.ioc.mac, 0, sizeof(aen_data.ioc.mac)); - ioc_type = bfa_ioc_get_type(ioc); - switch (ioc_type) { - case BFA_IOC_TYPE_FC: - aen_data.ioc.pwwn = bfa_ioc_get_pwwn(ioc); - break; - case BFA_IOC_TYPE_FCoE: - aen_data.ioc.pwwn = bfa_ioc_get_pwwn(ioc); - aen_data.ioc.mac = bfa_ioc_get_mac(ioc); - break; - case BFA_IOC_TYPE_LL: - aen_data.ioc.mac = bfa_ioc_get_mac(ioc); - break; - default: - bfa_assert(ioc_type == BFA_IOC_TYPE_FC); - break; - } - aen_data.ioc.ioc_type = ioc_type; + return m; } -/** +bfa_boolean_t +bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc) +{ + return ioc->fcmode || !bfa_asic_id_ct(ioc->pcidev.device_id); +} + +/* * Retrieve saved firmware trace from a prior IOC failure. */ bfa_status_t bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) { - int tlen; + int tlen; if (ioc->dbg_fwsave_len == 0) return BFA_STATUS_ENOFSAVE; @@ -1968,12 +2536,12 @@ bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) if (tlen > ioc->dbg_fwsave_len) tlen = ioc->dbg_fwsave_len; - bfa_os_memcpy(trcdata, ioc->dbg_fwsave, tlen); + memcpy(trcdata, ioc->dbg_fwsave, tlen); *trclen = tlen; return BFA_STATUS_OK; } -/** +/* * Clear saved firmware trace */ void @@ -1982,72 +2550,160 @@ bfa_ioc_debug_fwsave_clear(struct bfa_ioc_s *ioc) ioc->dbg_fwsave_once = BFA_TRUE; } -/** +/* * Retrieve saved firmware trace from a prior IOC failure. */ bfa_status_t bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) { - u32 pgnum; - u32 loff = BFA_DBG_FWTRC_OFF(bfa_ioc_portid(ioc)); - int i, tlen; - u32 *tbuf = trcdata, r32; + u32 loff = BFA_DBG_FWTRC_OFF(bfa_ioc_portid(ioc)); + int tlen; + bfa_status_t status; bfa_trc(ioc, *trclen); - pgnum = bfa_ioc_smem_pgnum(ioc, loff); - loff = bfa_ioc_smem_pgoff(ioc, loff); - - /* - * Hold semaphore to serialize pll init and fwtrc. - */ - if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) - return BFA_STATUS_FAILED; - - bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum); - tlen = *trclen; if (tlen > BFA_DBG_FWTRC_LEN) tlen = BFA_DBG_FWTRC_LEN; - tlen /= sizeof(u32); - bfa_trc(ioc, tlen); + status = bfa_ioc_smem_read(ioc, trcdata, loff, tlen); + *trclen = tlen; + return status; +} - for (i = 0; i < tlen; i++) { - r32 = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); - tbuf[i] = bfa_os_ntohl(r32); - loff += sizeof(u32); +static void +bfa_ioc_send_fwsync(struct bfa_ioc_s *ioc) +{ + struct bfa_mbox_cmd_s cmd; + struct bfi_ioc_ctrl_req_s *req = (struct bfi_ioc_ctrl_req_s *) cmd.msg; - /** - * handle page offset wrap around - */ - loff = PSS_SMEM_PGOFF(loff); - if (loff == 0) { - pgnum++; - bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum); - } + bfi_h2i_set(req->mh, BFI_MC_IOC, BFI_IOC_H2I_DBG_SYNC, + bfa_ioc_portid(ioc)); + req->ioc_class = ioc->ioc_mc; + bfa_ioc_mbox_queue(ioc, &cmd); +} + +static void +bfa_ioc_fwsync(struct bfa_ioc_s *ioc) +{ + u32 fwsync_iter = 1000; + + bfa_ioc_send_fwsync(ioc); + + /* + * After sending a fw sync mbox command wait for it to + * take effect. We will not wait for a response because + * 1. fw_sync mbox cmd doesn't have a response. + * 2. Even if we implement that, interrupts might not + * be enabled when we call this function. + * So, just keep checking if any mbox cmd is pending, and + * after waiting for a reasonable amount of time, go ahead. + * It is possible that fw has crashed and the mbox command + * is never acknowledged. + */ + while (bfa_ioc_mbox_cmd_pending(ioc) && fwsync_iter > 0) + fwsync_iter--; +} + +/* + * Dump firmware smem + */ +bfa_status_t +bfa_ioc_debug_fwcore(struct bfa_ioc_s *ioc, void *buf, + u32 *offset, int *buflen) +{ + u32 loff; + int dlen; + bfa_status_t status; + u32 smem_len = BFA_IOC_FW_SMEM_SIZE(ioc); + + if (*offset >= smem_len) { + *offset = *buflen = 0; + return BFA_STATUS_EINVAL; } - bfa_reg_write(ioc->ioc_regs.host_page_num_fn, - bfa_ioc_smem_pgnum(ioc, 0)); + + loff = *offset; + dlen = *buflen; /* - * release semaphore. + * First smem read, sync smem before proceeding + * No need to sync before reading every chunk. */ - bfa_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); + if (loff == 0) + bfa_ioc_fwsync(ioc); - bfa_trc(ioc, pgnum); + if ((loff + dlen) >= smem_len) + dlen = smem_len - loff; - *trclen = tlen * sizeof(u32); - return BFA_STATUS_OK; + status = bfa_ioc_smem_read(ioc, buf, loff, dlen); + + if (status != BFA_STATUS_OK) { + *offset = *buflen = 0; + return status; + } + + *offset += dlen; + + if (*offset >= smem_len) + *offset = 0; + + *buflen = dlen; + + return status; } -/** +/* + * Firmware statistics + */ +bfa_status_t +bfa_ioc_fw_stats_get(struct bfa_ioc_s *ioc, void *stats) +{ + u32 loff = BFI_IOC_FWSTATS_OFF + \ + BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc)); + int tlen; + bfa_status_t status; + + if (ioc->stats_busy) { + bfa_trc(ioc, ioc->stats_busy); + return BFA_STATUS_DEVBUSY; + } + ioc->stats_busy = BFA_TRUE; + + tlen = sizeof(struct bfa_fw_stats_s); + status = bfa_ioc_smem_read(ioc, stats, loff, tlen); + + ioc->stats_busy = BFA_FALSE; + return status; +} + +bfa_status_t +bfa_ioc_fw_stats_clear(struct bfa_ioc_s *ioc) +{ + u32 loff = BFI_IOC_FWSTATS_OFF + \ + BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc)); + int tlen; + bfa_status_t status; + + if (ioc->stats_busy) { + bfa_trc(ioc, ioc->stats_busy); + return BFA_STATUS_DEVBUSY; + } + ioc->stats_busy = BFA_TRUE; + + tlen = sizeof(struct bfa_fw_stats_s); + status = bfa_ioc_smem_clr(ioc, loff, tlen); + + ioc->stats_busy = BFA_FALSE; + return status; +} + +/* * Save firmware trace if configured. */ static void bfa_ioc_debug_save(struct bfa_ioc_s *ioc) { - int tlen; + int tlen; if (ioc->dbg_fwsave_len) { tlen = ioc->dbg_fwsave_len; @@ -2055,7 +2711,7 @@ bfa_ioc_debug_save(struct bfa_ioc_s *ioc) } } -/** +/* * Firmware failure detected. Start recovery actions. */ static void @@ -2070,19 +2726,140 @@ bfa_ioc_recover(struct bfa_ioc_s *ioc) bfa_fsm_send_event(ioc, IOC_E_HBFAIL); } -#else +static void +bfa_ioc_check_attr_wwns(struct bfa_ioc_s *ioc) +{ + if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_LL) + return; +} + +/* + * hal_iocpf_pvt BFA IOC PF private functions + */ static void -bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event) +bfa_iocpf_enable(struct bfa_ioc_s *ioc) { + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE); } static void -bfa_ioc_recover(struct bfa_ioc_s *ioc) +bfa_iocpf_disable(struct bfa_ioc_s *ioc) { - bfa_assert(0); + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE); } -#endif +static void +bfa_iocpf_fail(struct bfa_ioc_s *ioc) +{ + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); +} + +static void +bfa_iocpf_initfail(struct bfa_ioc_s *ioc) +{ + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); +} + +static void +bfa_iocpf_getattrfail(struct bfa_ioc_s *ioc) +{ + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); +} + +static void +bfa_iocpf_stop(struct bfa_ioc_s *ioc) +{ + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); +} + +static void +bfa_iocpf_timeout(void *ioc_arg) +{ + struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; + + bfa_trc(ioc, 0); + bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); +} + +static void +bfa_iocpf_sem_timeout(void *ioc_arg) +{ + struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; + bfa_ioc_hw_sem_get(ioc); +} +/* + * bfa timer function + */ +void +bfa_timer_init(struct bfa_timer_mod_s *mod) +{ + INIT_LIST_HEAD(&mod->timer_q); +} + +void +bfa_timer_beat(struct bfa_timer_mod_s *mod) +{ + struct list_head *qh = &mod->timer_q; + struct list_head *qe, *qe_next; + struct bfa_timer_s *elem; + struct list_head timedout_q; + + INIT_LIST_HEAD(&timedout_q); + + qe = bfa_q_next(qh); + + while (qe != qh) { + qe_next = bfa_q_next(qe); + + elem = (struct bfa_timer_s *) qe; + if (elem->timeout <= BFA_TIMER_FREQ) { + elem->timeout = 0; + list_del(&elem->qe); + list_add_tail(&elem->qe, &timedout_q); + } else { + elem->timeout -= BFA_TIMER_FREQ; + } + + qe = qe_next; /* go to next elem */ + } + + /* + * Pop all the timeout entries + */ + while (!list_empty(&timedout_q)) { + bfa_q_deq(&timedout_q, &elem); + elem->timercb(elem->arg); + } +} + +/* + * Should be called with lock protection + */ +void +bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer, + void (*timercb) (void *), void *arg, unsigned int timeout) +{ + + bfa_assert(timercb != NULL); + bfa_assert(!bfa_q_is_on_q(&mod->timer_q, timer)); + + timer->timeout = timeout; + timer->timercb = timercb; + timer->arg = arg; + + list_add_tail(&timer->qe, &mod->timer_q); +} + +/* + * Should be called with lock protection + */ +void +bfa_timer_stop(struct bfa_timer_s *timer) +{ + bfa_assert(!list_empty(&timer->qe)); + + list_del(&timer->qe); +} |