| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Rasesh Mody | 10706 | 81.76% | 24 | 54.55% |
| Krishna Gudipati | 1984 | 15.15% | 2 | 4.55% |
| Jing Huang | 201 | 1.54% | 2 | 4.55% |
| Ben Hutchings | 79 | 0.60% | 2 | 4.55% |
| Ivan Vecera | 70 | 0.53% | 6 | 13.64% |
| Arnd Bergmann | 40 | 0.31% | 1 | 2.27% |
| Andrzej Hajda | 7 | 0.05% | 1 | 2.27% |
| Stephen Hemminger | 3 | 0.02% | 2 | 4.55% |
| Joe Perches | 2 | 0.02% | 2 | 4.55% |
| Dan Carpenter | 1 | 0.01% | 1 | 2.27% |
| Kees Cook | 1 | 0.01% | 1 | 2.27% |
| Total | 13094 | 44 |
/* * Linux network driver for QLogic BR-series Converged Network Adapter. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License (GPL) Version 2 as * published by the Free Software Foundation * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ /* * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. * Copyright (c) 2014-2015 QLogic Corporation * All rights reserved * www.qlogic.com */ #include "bfa_ioc.h" #include "bfi_reg.h" #include "bfa_defs.h" /* IOC local definitions */ /* Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details. */ #define bfa_ioc_firmware_lock(__ioc) \ ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc)) #define bfa_ioc_firmware_unlock(__ioc) \ ((__ioc)->ioc_hwif->ioc_firmware_unlock(__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_fail(__ioc) \ ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc)) #define bfa_ioc_sync_start(__ioc) \ ((__ioc)->ioc_hwif->ioc_sync_start(__ioc)) #define bfa_ioc_sync_join(__ioc) \ ((__ioc)->ioc_hwif->ioc_sync_join(__ioc)) #define bfa_ioc_sync_leave(__ioc) \ ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc)) #define bfa_ioc_sync_ack(__ioc) \ ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc)) #define bfa_ioc_sync_complete(__ioc) \ ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc)) #define bfa_ioc_set_cur_ioc_fwstate(__ioc, __fwstate) \ ((__ioc)->ioc_hwif->ioc_set_fwstate(__ioc, __fwstate)) #define bfa_ioc_get_cur_ioc_fwstate(__ioc) \ ((__ioc)->ioc_hwif->ioc_get_fwstate(__ioc)) #define bfa_ioc_set_alt_ioc_fwstate(__ioc, __fwstate) \ ((__ioc)->ioc_hwif->ioc_set_alt_fwstate(__ioc, __fwstate)) static bool bfa_nw_auto_recover = true; /* * forward declarations */ static void bfa_ioc_hw_sem_init(struct bfa_ioc *ioc); static void bfa_ioc_hw_sem_get(struct bfa_ioc *ioc); static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc); static void bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force); static void bfa_ioc_poll_fwinit(struct bfa_ioc *ioc); static void bfa_ioc_send_enable(struct bfa_ioc *ioc); static void bfa_ioc_send_disable(struct bfa_ioc *ioc); static void bfa_ioc_send_getattr(struct bfa_ioc *ioc); static void bfa_ioc_hb_monitor(struct bfa_ioc *ioc); static void bfa_ioc_hb_stop(struct bfa_ioc *ioc); static void bfa_ioc_reset(struct bfa_ioc *ioc, bool force); static void bfa_ioc_mbox_poll(struct bfa_ioc *ioc); static void bfa_ioc_mbox_flush(struct bfa_ioc *ioc); static void bfa_ioc_recover(struct bfa_ioc *ioc); static void bfa_ioc_event_notify(struct bfa_ioc *, enum bfa_ioc_event); static void bfa_ioc_disable_comp(struct bfa_ioc *ioc); static void bfa_ioc_lpu_stop(struct bfa_ioc *ioc); static void bfa_nw_ioc_debug_save_ftrc(struct bfa_ioc *ioc); static void bfa_ioc_fail_notify(struct bfa_ioc *ioc); static void bfa_ioc_pf_enabled(struct bfa_ioc *ioc); static void bfa_ioc_pf_disabled(struct bfa_ioc *ioc); static void bfa_ioc_pf_failed(struct bfa_ioc *ioc); static void bfa_ioc_pf_hwfailed(struct bfa_ioc *ioc); static void bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc); static enum bfa_status bfa_ioc_boot(struct bfa_ioc *ioc, enum bfi_fwboot_type boot_type, u32 boot_param); static u32 bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr); static void bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, char *serial_num); static void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, char *fw_ver); static void bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, char *chip_rev); static void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, char *optrom_ver); static void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, char *manufacturer); static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model); static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc); /* IOC state machine definitions/declarations */ enum ioc_event { 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_PFFAILED = 8, /*!< failure notice by iocpf sm */ IOC_E_HBFAIL = 9, /*!< heartbeat failure */ IOC_E_HWERROR = 10, /*!< hardware error interrupt */ IOC_E_TIMEOUT = 11, /*!< timeout */ IOC_E_HWFAILED = 12, /*!< PCI mapping failure notice */ }; bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc, enum ioc_event); static struct bfa_sm_table 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_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_fail_retry), BFA_IOC_INITFAIL}, {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}, {BFA_SM(bfa_ioc_sm_hwfail), BFA_IOC_HWFAIL}, }; /* * Forward declareations for iocpf state machine */ static void bfa_iocpf_enable(struct bfa_ioc *ioc); static void bfa_iocpf_disable(struct bfa_ioc *ioc); static void bfa_iocpf_fail(struct bfa_ioc *ioc); static void bfa_iocpf_initfail(struct bfa_ioc *ioc); static void bfa_iocpf_getattrfail(struct bfa_ioc *ioc); static void bfa_iocpf_stop(struct bfa_ioc *ioc); /* 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_E_SEM_ERROR = 12, /*!< h/w sem mapping error */ }; /* 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, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf, enum iocpf_event); bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf, enum iocpf_event); static struct bfa_sm_table 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_sync), BFA_IOCPF_INITFAIL}, {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL}, {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL}, {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL}, {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING}, {BFA_SM(bfa_iocpf_sm_disabling_sync), 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 *ioc) { } /* IOC is in uninit state. */ static void bfa_ioc_sm_uninit(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { case IOC_E_RESET: bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); break; default: bfa_sm_fault(event); } } /* Reset entry actions -- initialize state machine */ static void bfa_ioc_sm_reset_entry(struct bfa_ioc *ioc) { bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); } /* IOC is in reset state. */ static void bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { case IOC_E_ENABLE: bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); break; case IOC_E_DISABLE: bfa_ioc_disable_comp(ioc); break; case IOC_E_DETACH: bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); break; default: bfa_sm_fault(event); } } static void bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc) { bfa_iocpf_enable(ioc); } /* Host IOC function is being enabled, awaiting response from firmware. * Semaphore is acquired. */ static void bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { case IOC_E_ENABLED: bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); break; case IOC_E_PFFAILED: /* !!! fall through !!! */ case IOC_E_HWERROR: ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); if (event != IOC_E_PFFAILED) bfa_iocpf_initfail(ioc); break; case IOC_E_HWFAILED: ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); break; case IOC_E_DISABLE: bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); break; case IOC_E_DETACH: bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); bfa_iocpf_stop(ioc); break; case IOC_E_ENABLE: break; default: bfa_sm_fault(event); } } /* Semaphore should be acquired for version check. */ static void bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc) { mod_timer(&ioc->ioc_timer, jiffies + msecs_to_jiffies(BFA_IOC_TOV)); bfa_ioc_send_getattr(ioc); } /* IOC configuration in progress. Timer is active. */ static void bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { case IOC_E_FWRSP_GETATTR: del_timer(&ioc->ioc_timer); bfa_fsm_set_state(ioc, bfa_ioc_sm_op); break; case IOC_E_PFFAILED: case IOC_E_HWERROR: del_timer(&ioc->ioc_timer); /* fall through */ case IOC_E_TIMEOUT: ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); if (event != IOC_E_PFFAILED) bfa_iocpf_getattrfail(ioc); break; case IOC_E_DISABLE: del_timer(&ioc->ioc_timer); bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); break; case IOC_E_ENABLE: break; default: bfa_sm_fault(event); } } static void bfa_ioc_sm_op_entry(struct bfa_ioc *ioc) { ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); bfa_ioc_event_notify(ioc, BFA_IOC_E_ENABLED); bfa_ioc_hb_monitor(ioc); } static void bfa_ioc_sm_op(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { case IOC_E_ENABLE: break; case IOC_E_DISABLE: bfa_ioc_hb_stop(ioc); bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); break; case IOC_E_PFFAILED: case IOC_E_HWERROR: bfa_ioc_hb_stop(ioc); /* !!! fall through !!! */ case IOC_E_HBFAIL: if (ioc->iocpf.auto_recover) bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); else bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); bfa_ioc_fail_notify(ioc); if (event != IOC_E_PFFAILED) bfa_iocpf_fail(ioc); break; default: bfa_sm_fault(event); } } static void bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc) { bfa_iocpf_disable(ioc); } /* IOC is being disabled */ static void bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { case IOC_E_DISABLED: bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); break; case IOC_E_HWERROR: /* * 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_HWFAILED: bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); bfa_ioc_disable_comp(ioc); break; default: bfa_sm_fault(event); } } /* IOC disable completion entry. */ static void bfa_ioc_sm_disabled_entry(struct bfa_ioc *ioc) { bfa_ioc_disable_comp(ioc); } static void bfa_ioc_sm_disabled(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { case IOC_E_ENABLE: bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); break; case IOC_E_DISABLE: 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: bfa_sm_fault(event); } } static void bfa_ioc_sm_fail_retry_entry(struct bfa_ioc *ioc) { } /* Hardware initialization retry. */ static void bfa_ioc_sm_fail_retry(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { case IOC_E_ENABLED: bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); break; case IOC_E_PFFAILED: case IOC_E_HWERROR: /** * Initialization retry failed. */ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); if (event != IOC_E_PFFAILED) bfa_iocpf_initfail(ioc); break; case IOC_E_HWFAILED: ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); break; case IOC_E_ENABLE: break; case IOC_E_DISABLE: bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); break; case IOC_E_DETACH: bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); bfa_iocpf_stop(ioc); break; default: bfa_sm_fault(event); } } static void bfa_ioc_sm_fail_entry(struct bfa_ioc *ioc) { } /* IOC failure. */ static void bfa_ioc_sm_fail(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { case IOC_E_ENABLE: ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); break; case IOC_E_DISABLE: bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); break; case IOC_E_DETACH: bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); bfa_iocpf_stop(ioc); break; case IOC_E_HWERROR: /* HB failure notification, ignore. */ break; default: bfa_sm_fault(event); } } static void bfa_ioc_sm_hwfail_entry(struct bfa_ioc *ioc) { } /* IOC failure. */ static void bfa_ioc_sm_hwfail(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { case IOC_E_ENABLE: ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); break; case IOC_E_DISABLE: ioc->cbfn->disable_cbfn(ioc->bfa); break; case IOC_E_DETACH: bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); break; default: bfa_sm_fault(event); } } /* IOCPF State Machine */ /* Reset entry actions -- initialize state machine */ static void bfa_iocpf_sm_reset_entry(struct bfa_iocpf *iocpf) { iocpf->fw_mismatch_notified = false; iocpf->auto_recover = bfa_nw_auto_recover; } /* Beginning state. IOC is in reset state. */ static void bfa_iocpf_sm_reset(struct bfa_iocpf *iocpf, enum iocpf_event event) { switch (event) { case IOCPF_E_ENABLE: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); break; case IOCPF_E_STOP: break; default: bfa_sm_fault(event); } } /* Semaphore should be acquired for version check. */ static void bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf *iocpf) { bfa_ioc_hw_sem_init(iocpf->ioc); bfa_ioc_hw_sem_get(iocpf->ioc); } /* Awaiting h/w semaphore to continue with version check. */ static void bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_SEMLOCKED: if (bfa_ioc_firmware_lock(ioc)) { if (bfa_ioc_sync_start(ioc)) { bfa_ioc_sync_join(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); } else { bfa_ioc_firmware_unlock(ioc); bfa_nw_ioc_hw_sem_release(ioc); mod_timer(&ioc->sem_timer, jiffies + msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); } } else { bfa_nw_ioc_hw_sem_release(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch); } break; case IOCPF_E_SEM_ERROR: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); bfa_ioc_pf_hwfailed(ioc); 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(event); } } /* Notify enable completion callback */ static void bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf) { /* Call only the first time sm enters fwmismatch state. */ if (!iocpf->fw_mismatch_notified) bfa_ioc_pf_fwmismatch(iocpf->ioc); iocpf->fw_mismatch_notified = true; mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + msecs_to_jiffies(BFA_IOC_TOV)); } /* Awaiting firmware version match. */ static void bfa_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_TIMEOUT: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); break; case IOCPF_E_DISABLE: del_timer(&ioc->iocpf_timer); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); bfa_ioc_pf_disabled(ioc); break; case IOCPF_E_STOP: del_timer(&ioc->iocpf_timer); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); break; default: bfa_sm_fault(event); } } /* Request for semaphore. */ static void bfa_iocpf_sm_semwait_entry(struct bfa_iocpf *iocpf) { bfa_ioc_hw_sem_get(iocpf->ioc); } /* Awaiting semaphore for h/w initialzation. */ static void bfa_iocpf_sm_semwait(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_SEMLOCKED: if (bfa_ioc_sync_complete(ioc)) { bfa_ioc_sync_join(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); } else { bfa_nw_ioc_hw_sem_release(ioc); mod_timer(&ioc->sem_timer, jiffies + msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); } break; case IOCPF_E_SEM_ERROR: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); bfa_ioc_pf_hwfailed(ioc); break; case IOCPF_E_DISABLE: bfa_ioc_hw_sem_get_cancel(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); break; default: bfa_sm_fault(event); } } static void bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf *iocpf) { iocpf->poll_time = 0; bfa_ioc_reset(iocpf->ioc, false); } /* Hardware is being initialized. Interrupts are enabled. * Holding hardware semaphore lock. */ static void bfa_iocpf_sm_hwinit(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_FWREADY: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); break; case IOCPF_E_TIMEOUT: bfa_nw_ioc_hw_sem_release(ioc); bfa_ioc_pf_failed(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); break; case IOCPF_E_DISABLE: del_timer(&ioc->iocpf_timer); bfa_ioc_sync_leave(ioc); bfa_nw_ioc_hw_sem_release(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; default: bfa_sm_fault(event); } } static void bfa_iocpf_sm_enabling_entry(struct bfa_iocpf *iocpf) { mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + msecs_to_jiffies(BFA_IOC_TOV)); /** * Enable Interrupts before sending fw IOC ENABLE cmd. */ iocpf->ioc->cbfn->reset_cbfn(iocpf->ioc->bfa); bfa_ioc_send_enable(iocpf->ioc); } /* Host IOC function is being enabled, awaiting response from firmware. * Semaphore is acquired. */ static void bfa_iocpf_sm_enabling(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_FWRSP_ENABLE: del_timer(&ioc->iocpf_timer); bfa_nw_ioc_hw_sem_release(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); break; case IOCPF_E_INITFAIL: del_timer(&ioc->iocpf_timer); /* * !!! fall through !!! */ case IOCPF_E_TIMEOUT: bfa_nw_ioc_hw_sem_release(ioc); if (event == IOCPF_E_TIMEOUT) bfa_ioc_pf_failed(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); break; case IOCPF_E_DISABLE: del_timer(&ioc->iocpf_timer); bfa_nw_ioc_hw_sem_release(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); break; default: bfa_sm_fault(event); } } static void bfa_iocpf_sm_ready_entry(struct bfa_iocpf *iocpf) { bfa_ioc_pf_enabled(iocpf->ioc); } static void bfa_iocpf_sm_ready(struct bfa_iocpf *iocpf, enum iocpf_event event) { switch (event) { case IOCPF_E_DISABLE: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); break; case IOCPF_E_GETATTRFAIL: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); break; case IOCPF_E_FAIL: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); break; default: bfa_sm_fault(event); } } static void bfa_iocpf_sm_disabling_entry(struct bfa_iocpf *iocpf) { mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + msecs_to_jiffies(BFA_IOC_TOV)); bfa_ioc_send_disable(iocpf->ioc); } /* IOC is being disabled */ static void bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_FWRSP_DISABLE: del_timer(&ioc->iocpf_timer); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); break; case IOCPF_E_FAIL: del_timer(&ioc->iocpf_timer); /* * !!! fall through !!! */ case IOCPF_E_TIMEOUT: bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); break; case IOCPF_E_FWRSP_ENABLE: break; default: bfa_sm_fault(event); } } static void bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf *iocpf) { bfa_ioc_hw_sem_get(iocpf->ioc); } /* IOC hb ack request is being removed. */ static void bfa_iocpf_sm_disabling_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_SEMLOCKED: bfa_ioc_sync_leave(ioc); bfa_nw_ioc_hw_sem_release(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; case IOCPF_E_SEM_ERROR: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); bfa_ioc_pf_hwfailed(ioc); break; case IOCPF_E_FAIL: break; default: bfa_sm_fault(event); } } /* IOC disable completion entry. */ static void bfa_iocpf_sm_disabled_entry(struct bfa_iocpf *iocpf) { bfa_ioc_mbox_flush(iocpf->ioc); bfa_ioc_pf_disabled(iocpf->ioc); } static void bfa_iocpf_sm_disabled(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_ENABLE: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); break; case IOCPF_E_STOP: bfa_ioc_firmware_unlock(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); break; default: bfa_sm_fault(event); } } static void bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf *iocpf) { bfa_nw_ioc_debug_save_ftrc(iocpf->ioc); bfa_ioc_hw_sem_get(iocpf->ioc); } /* Hardware initialization failed. */ static void bfa_iocpf_sm_initfail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_SEMLOCKED: bfa_ioc_notify_fail(ioc); bfa_ioc_sync_leave(ioc); bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); bfa_nw_ioc_hw_sem_release(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); break; case IOCPF_E_SEM_ERROR: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); bfa_ioc_pf_hwfailed(ioc); break; case IOCPF_E_DISABLE: bfa_ioc_hw_sem_get_cancel(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); break; case IOCPF_E_STOP: bfa_ioc_hw_sem_get_cancel(ioc); bfa_ioc_firmware_unlock(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); break; case IOCPF_E_FAIL: break; default: bfa_sm_fault(event); } } static void bfa_iocpf_sm_initfail_entry(struct bfa_iocpf *iocpf) { } /* Hardware initialization failed. */ static void bfa_iocpf_sm_initfail(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_DISABLE: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; case IOCPF_E_STOP: bfa_ioc_firmware_unlock(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); break; default: bfa_sm_fault(event); } } static void bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf *iocpf) { /** * Mark IOC as failed in hardware and stop firmware. */ bfa_ioc_lpu_stop(iocpf->ioc); /** * Flush any queued up mailbox requests. */ bfa_ioc_mbox_flush(iocpf->ioc); bfa_ioc_hw_sem_get(iocpf->ioc); } /* IOC is in failed state. */ static void bfa_iocpf_sm_fail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) { struct bfa_ioc *ioc = iocpf->ioc; switch (event) { case IOCPF_E_SEMLOCKED: bfa_ioc_sync_ack(ioc); bfa_ioc_notify_fail(ioc); if (!iocpf->auto_recover) { bfa_ioc_sync_leave(ioc); bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); bfa_nw_ioc_hw_sem_release(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); } else { if (bfa_ioc_sync_complete(ioc)) bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); else { bfa_nw_ioc_hw_sem_release(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); } } break; case IOCPF_E_SEM_ERROR: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); bfa_ioc_pf_hwfailed(ioc); break; case IOCPF_E_DISABLE: bfa_ioc_hw_sem_get_cancel(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); break; case IOCPF_E_FAIL: break; default: bfa_sm_fault(event); } } static void bfa_iocpf_sm_fail_entry(struct bfa_iocpf *iocpf) { } /* IOC is in failed state. */ static void bfa_iocpf_sm_fail(struct bfa_iocpf *iocpf, enum iocpf_event event) { switch (event) { case IOCPF_E_DISABLE: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; default: bfa_sm_fault(event); } } /* BFA IOC private functions */ /* Notify common modules registered for notification. */ static void bfa_ioc_event_notify(struct bfa_ioc *ioc, enum bfa_ioc_event event) { struct bfa_ioc_notify *notify; list_for_each_entry(notify, &ioc->notify_q, qe) notify->cbfn(notify->cbarg, event); } static void bfa_ioc_disable_comp(struct bfa_ioc *ioc) { ioc->cbfn->disable_cbfn(ioc->bfa); bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED); } bool bfa_nw_ioc_sem_get(void __iomem *sem_reg) { u32 r32; int cnt = 0; #define BFA_SEM_SPINCNT 3000 r32 = readl(sem_reg); while ((r32 & 1) && (cnt < BFA_SEM_SPINCNT)) { cnt++; udelay(2); r32 = readl(sem_reg); } if (!(r32 & 1)) return true; return false; } void bfa_nw_ioc_sem_release(void __iomem *sem_reg) { readl(sem_reg); writel(1, sem_reg); } /* Clear fwver hdr */ static void bfa_ioc_fwver_clear(struct bfa_ioc *ioc) { u32 pgnum, pgoff, loff = 0; int i; pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); pgoff = PSS_SMEM_PGOFF(loff); writel(pgnum, ioc->ioc_regs.host_page_num_fn); for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr) / sizeof(u32)); i++) { writel(0, ioc->ioc_regs.smem_page_start + loff); loff += sizeof(u32); } } static void bfa_ioc_hw_sem_init(struct bfa_ioc *ioc) { struct bfi_ioc_image_hdr fwhdr; u32 fwstate, r32; /* Spin on init semaphore to serialize. */ r32 = readl(ioc->ioc_regs.ioc_init_sem_reg); while (r32 & 0x1) { udelay(20); r32 = readl(ioc->ioc_regs.ioc_init_sem_reg); } fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); if (fwstate == BFI_IOC_UNINIT) { writel(1, ioc->ioc_regs.ioc_init_sem_reg); return; } bfa_nw_ioc_fwver_get(ioc, &fwhdr); if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) { writel(1, ioc->ioc_regs.ioc_init_sem_reg); return; } bfa_ioc_fwver_clear(ioc); bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_UNINIT); bfa_ioc_set_alt_ioc_fwstate(ioc, BFI_IOC_UNINIT); /* * Try to lock and then unlock the semaphore. */ readl(ioc->ioc_regs.ioc_sem_reg); writel(1, ioc->ioc_regs.ioc_sem_reg); /* Unlock init semaphore */ writel(1, ioc->ioc_regs.ioc_init_sem_reg); } static void bfa_ioc_hw_sem_get(struct bfa_ioc *ioc) { 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 = readl(ioc->ioc_regs.ioc_sem_reg); if (r32 == ~0) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEM_ERROR); return; } if (!(r32 & 1)) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED); return; } mod_timer(&ioc->sem_timer, jiffies + msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); } void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc) { writel(1, ioc->ioc_regs.ioc_sem_reg); } static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc) { del_timer(&ioc->sem_timer); } /* Initialize LPU local memory (aka secondary memory / SRAM) */ static void bfa_ioc_lmem_init(struct bfa_ioc *ioc) { u32 pss_ctl; int i; #define PSS_LMEM_INIT_TIME 10000 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); pss_ctl &= ~__PSS_LMEM_RESET; pss_ctl |= __PSS_LMEM_INIT_EN; /* * 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 = 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. */ BUG_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE)); pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN); writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); } static void bfa_ioc_lpu_start(struct bfa_ioc *ioc) { u32 pss_ctl; /** * Take processor out of reset. */ pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); pss_ctl &= ~__PSS_LPU0_RESET; writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); } static void bfa_ioc_lpu_stop(struct bfa_ioc *ioc) { u32 pss_ctl; /** * Put processors in reset. */ pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET); writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); } /* Get driver and firmware versions. */ void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) { u32 pgnum; u32 loff = 0; int i; u32 *fwsig = (u32 *) fwhdr; pgnum = bfa_ioc_smem_pgnum(ioc, loff); writel(pgnum, ioc->ioc_regs.host_page_num_fn); for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr) / sizeof(u32)); i++) { fwsig[i] = swab32(readl(loff + ioc->ioc_regs.smem_page_start)); loff += sizeof(u32); } } static bool bfa_ioc_fwver_md5_check(struct bfi_ioc_image_hdr *fwhdr_1, struct bfi_ioc_image_hdr *fwhdr_2) { int i; for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) { if (fwhdr_1->md5sum[i] != fwhdr_2->md5sum[i]) return false; } return true; } /* Returns TRUE if major minor and maintenance are same. * If patch version are same, check for MD5 Checksum to be same. */ static bool bfa_ioc_fw_ver_compatible(struct bfi_ioc_image_hdr *drv_fwhdr, struct bfi_ioc_image_hdr *fwhdr_to_cmp) { if (drv_fwhdr->signature != fwhdr_to_cmp->signature) return false; if (drv_fwhdr->fwver.major != fwhdr_to_cmp->fwver.major) return false; if (drv_fwhdr->fwver.minor != fwhdr_to_cmp->fwver.minor) return false; if (drv_fwhdr->fwver.maint != fwhdr_to_cmp->fwver.maint) return false; if (drv_fwhdr->fwver.patch == fwhdr_to_cmp->fwver.patch && drv_fwhdr->fwver.phase == fwhdr_to_cmp->fwver.phase && drv_fwhdr->fwver.build == fwhdr_to_cmp->fwver.build) return bfa_ioc_fwver_md5_check(drv_fwhdr, fwhdr_to_cmp); return true; } static bool bfa_ioc_flash_fwver_valid(struct bfi_ioc_image_hdr *flash_fwhdr) { if (flash_fwhdr->fwver.major == 0 || flash_fwhdr->fwver.major == 0xFF) return false; return true; } static bool fwhdr_is_ga(struct bfi_ioc_image_hdr *fwhdr) { if (fwhdr->fwver.phase == 0 && fwhdr->fwver.build == 0) return false; return true; } /* Returns TRUE if both are compatible and patch of fwhdr_to_cmp is better. */ static enum bfi_ioc_img_ver_cmp bfa_ioc_fw_ver_patch_cmp(struct bfi_ioc_image_hdr *base_fwhdr, struct bfi_ioc_image_hdr *fwhdr_to_cmp) { if (!bfa_ioc_fw_ver_compatible(base_fwhdr, fwhdr_to_cmp)) return BFI_IOC_IMG_VER_INCOMP; if (fwhdr_to_cmp->fwver.patch > base_fwhdr->fwver.patch) return BFI_IOC_IMG_VER_BETTER; else if (fwhdr_to_cmp->fwver.patch < base_fwhdr->fwver.patch) return BFI_IOC_IMG_VER_OLD; /* GA takes priority over internal builds of the same patch stream. * At this point major minor maint and patch numbers are same. */ if (fwhdr_is_ga(base_fwhdr)) if (fwhdr_is_ga(fwhdr_to_cmp)) return BFI_IOC_IMG_VER_SAME; else return BFI_IOC_IMG_VER_OLD; else if (fwhdr_is_ga(fwhdr_to_cmp)) return BFI_IOC_IMG_VER_BETTER; if (fwhdr_to_cmp->fwver.phase > base_fwhdr->fwver.phase) return BFI_IOC_IMG_VER_BETTER; else if (fwhdr_to_cmp->fwver.phase < base_fwhdr->fwver.phase) return BFI_IOC_IMG_VER_OLD; if (fwhdr_to_cmp->fwver.build > base_fwhdr->fwver.build) return BFI_IOC_IMG_VER_BETTER; else if (fwhdr_to_cmp->fwver.build < base_fwhdr->fwver.build) return BFI_IOC_IMG_VER_OLD; /* All Version Numbers are equal. * Md5 check to be done as a part of compatibility check. */ return BFI_IOC_IMG_VER_SAME; } /* register definitions */ #define FLI_CMD_REG 0x0001d000 #define FLI_WRDATA_REG 0x0001d00c #define FLI_RDDATA_REG 0x0001d010 #define FLI_ADDR_REG 0x0001d004 #define FLI_DEV_STATUS_REG 0x0001d014 #define BFA_FLASH_FIFO_SIZE 128 /* fifo size */ #define BFA_FLASH_CHECK_MAX 10000 /* max # of status check */ #define BFA_FLASH_BLOCKING_OP_MAX 1000000 /* max # of blocking op check */ #define BFA_FLASH_WIP_MASK 0x01 /* write in progress bit mask */ #define NFC_STATE_RUNNING 0x20000001 #define NFC_STATE_PAUSED 0x00004560 #define NFC_VER_VALID 0x147 enum bfa_flash_cmd { BFA_FLASH_FAST_READ = 0x0b, /* fast read */ BFA_FLASH_WRITE_ENABLE = 0x06, /* write enable */ BFA_FLASH_SECTOR_ERASE = 0xd8, /* sector erase */ BFA_FLASH_WRITE = 0x02, /* write */ BFA_FLASH_READ_STATUS = 0x05, /* read status */ }; /* hardware error definition */ enum bfa_flash_err { BFA_FLASH_NOT_PRESENT = -1, /*!< flash not present */ BFA_FLASH_UNINIT = -2, /*!< flash not initialized */ BFA_FLASH_BAD = -3, /*!< flash bad */ BFA_FLASH_BUSY = -4, /*!< flash busy */ BFA_FLASH_ERR_CMD_ACT = -5, /*!< command active never cleared */ BFA_FLASH_ERR_FIFO_CNT = -6, /*!< fifo count never cleared */ BFA_FLASH_ERR_WIP = -7, /*!< write-in-progress never cleared */ BFA_FLASH_ERR_TIMEOUT = -8, /*!< fli timeout */ BFA_FLASH_ERR_LEN = -9, /*!< invalid length */ }; /* flash command register data structure */ union bfa_flash_cmd_reg { struct { #ifdef __BIG_ENDIAN u32 act:1; u32 rsv:1; u32 write_cnt:9; u32 read_cnt:9; u32 addr_cnt:4; u32 cmd:8; #else u32 cmd:8; u32 addr_cnt:4; u32 read_cnt:9; u32 write_cnt:9; u32 rsv:1; u32 act:1; #endif } r; u32 i; }; /* flash device status register data structure */ union bfa_flash_dev_status_reg { struct { #ifdef __BIG_ENDIAN u32 rsv:21; u32 fifo_cnt:6; u32 busy:1; u32 init_status:1; u32 present:1; u32 bad:1; u32 good:1; #else u32 good:1; u32 bad:1; u32 present:1; u32 init_status:1; u32 busy:1; u32 fifo_cnt:6; u32 rsv:21; #endif } r; u32 i; }; /* flash address register data structure */ union bfa_flash_addr_reg { struct { #ifdef __BIG_ENDIAN u32 addr:24; u32 dummy:8; #else u32 dummy:8; u32 addr:24; #endif } r; u32 i; }; /* Flash raw private functions */ static void bfa_flash_set_cmd(void __iomem *pci_bar, u8 wr_cnt, u8 rd_cnt, u8 ad_cnt, u8 op) { union bfa_flash_cmd_reg cmd; cmd.i = 0; cmd.r.act = 1; cmd.r.write_cnt = wr_cnt; cmd.r.read_cnt = rd_cnt; cmd.r.addr_cnt = ad_cnt; cmd.r.cmd = op; writel(cmd.i, (pci_bar + FLI_CMD_REG)); } static void bfa_flash_set_addr(void __iomem *pci_bar, u32 address) { union bfa_flash_addr_reg addr; addr.r.addr = address & 0x00ffffff; addr.r.dummy = 0; writel(addr.i, (pci_bar + FLI_ADDR_REG)); } static int bfa_flash_cmd_act_check(void __iomem *pci_bar) { union bfa_flash_cmd_reg cmd; cmd.i = readl(pci_bar + FLI_CMD_REG); if (cmd.r.act) return BFA_FLASH_ERR_CMD_ACT; return 0; } /* Flush FLI data fifo. */ static int bfa_flash_fifo_flush(void __iomem *pci_bar) { u32 i; u32 t; union bfa_flash_dev_status_reg dev_status; dev_status.i = readl(pci_bar + FLI_DEV_STATUS_REG); if (!dev_status.r.fifo_cnt) return 0; /* fifo counter in terms of words */ for (i = 0; i < dev_status.r.fifo_cnt; i++) t = readl(pci_bar + FLI_RDDATA_REG); /* Check the device status. It may take some time. */ for (i = 0; i < BFA_FLASH_CHECK_MAX; i++) { dev_status.i = readl(pci_bar + FLI_DEV_STATUS_REG); if (!dev_status.r.fifo_cnt) break; } if (dev_status.r.fifo_cnt) return BFA_FLASH_ERR_FIFO_CNT; return 0; } /* Read flash status. */ static int bfa_flash_status_read(void __iomem *pci_bar) { union bfa_flash_dev_status_reg dev_status; int status; u32 ret_status; int i; status = bfa_flash_fifo_flush(pci_bar); if (status < 0) return status; bfa_flash_set_cmd(pci_bar, 0, 4, 0, BFA_FLASH_READ_STATUS); for (i = 0; i < BFA_FLASH_CHECK_MAX; i++) { status = bfa_flash_cmd_act_check(pci_bar); if (!status) break; } if (status) return status; dev_status.i = readl(pci_bar + FLI_DEV_STATUS_REG); if (!dev_status.r.fifo_cnt) return BFA_FLASH_BUSY; ret_status = readl(pci_bar + FLI_RDDATA_REG); ret_status >>= 24; status = bfa_flash_fifo_flush(pci_bar); if (status < 0) return status; return ret_status; } /* Start flash read operation. */ static int bfa_flash_read_start(void __iomem *pci_bar, u32 offset, u32 len, char *buf) { int status; /* len must be mutiple of 4 and not exceeding fifo size */ if (len == 0 || len > BFA_FLASH_FIFO_SIZE || (len & 0x03) != 0) return BFA_FLASH_ERR_LEN; /* check status */ status = bfa_flash_status_read(pci_bar); if (status == BFA_FLASH_BUSY) status = bfa_flash_status_read(pci_bar); if (status < 0) return status; /* check if write-in-progress bit is cleared */ if (status & BFA_FLASH_WIP_MASK) return BFA_FLASH_ERR_WIP; bfa_flash_set_addr(pci_bar, offset); bfa_flash_set_cmd(pci_bar, 0, (u8)len, 4, BFA_FLASH_FAST_READ); return 0; } /* Check flash read operation. */ static u32 bfa_flash_read_check(void __iomem *pci_bar) { if (bfa_flash_cmd_act_check(pci_bar)) return 1; return 0; } /* End flash read operation. */ static void bfa_flash_read_end(void __iomem *pci_bar, u32 len, char *buf) { u32 i; /* read data fifo up to 32 words */ for (i = 0; i < len; i += 4) { u32 w = readl(pci_bar + FLI_RDDATA_REG); *((u32 *)(buf + i)) = swab32(w); } bfa_flash_fifo_flush(pci_bar); } /* Perform flash raw read. */ #define FLASH_BLOCKING_OP_MAX 500 #define FLASH_SEM_LOCK_REG 0x18820 static int bfa_raw_sem_get(void __iomem *bar) { int locked; locked = readl(bar + FLASH_SEM_LOCK_REG); return !locked; } static enum bfa_status bfa_flash_sem_get(void __iomem *bar) { u32 n = FLASH_BLOCKING_OP_MAX; while (!bfa_raw_sem_get(bar)) { if (--n <= 0) return BFA_STATUS_BADFLASH; mdelay(10); } return BFA_STATUS_OK; } static void bfa_flash_sem_put(void __iomem *bar) { writel(0, (bar + FLASH_SEM_LOCK_REG)); } static enum bfa_status bfa_flash_raw_read(void __iomem *pci_bar, u32 offset, char *buf, u32 len) { u32 n; int status; u32 off, l, s, residue, fifo_sz; residue = len; off = 0; fifo_sz = BFA_FLASH_FIFO_SIZE; status = bfa_flash_sem_get(pci_bar); if (status != BFA_STATUS_OK) return status; while (residue) { s = offset + off; n = s / fifo_sz; l = (n + 1) * fifo_sz - s; if (l > residue) l = residue; status = bfa_flash_read_start(pci_bar, offset + off, l, &buf[off]); if (status < 0) { bfa_flash_sem_put(pci_bar); return BFA_STATUS_FAILED; } n = BFA_FLASH_BLOCKING_OP_MAX; while (bfa_flash_read_check(pci_bar)) { if (--n <= 0) { bfa_flash_sem_put(pci_bar); return BFA_STATUS_FAILED; } } bfa_flash_read_end(pci_bar, l, &buf[off]); residue -= l; off += l; } bfa_flash_sem_put(pci_bar); return BFA_STATUS_OK; } #define BFA_FLASH_PART_FWIMG_ADDR 0x100000 /* fw image address */ static enum bfa_status bfa_nw_ioc_flash_img_get_chnk(struct bfa_ioc *ioc, u32 off, u32 *fwimg) { return bfa_flash_raw_read(ioc->pcidev.pci_bar_kva, BFA_FLASH_PART_FWIMG_ADDR + (off * sizeof(u32)), (char *)fwimg, BFI_FLASH_CHUNK_SZ); } static enum bfi_ioc_img_ver_cmp bfa_ioc_flash_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *base_fwhdr) { struct bfi_ioc_image_hdr *flash_fwhdr; enum bfa_status status; u32 fwimg[BFI_FLASH_CHUNK_SZ_WORDS]; status = bfa_nw_ioc_flash_img_get_chnk(ioc, 0, fwimg); if (status != BFA_STATUS_OK) return BFI_IOC_IMG_VER_INCOMP; flash_fwhdr = (struct bfi_ioc_image_hdr *)fwimg; if (bfa_ioc_flash_fwver_valid(flash_fwhdr)) return bfa_ioc_fw_ver_patch_cmp(base_fwhdr, flash_fwhdr); else return BFI_IOC_IMG_VER_INCOMP; } /** * Returns TRUE if driver is willing to work with current smem f/w version. */ bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) { struct bfi_ioc_image_hdr *drv_fwhdr; enum bfi_ioc_img_ver_cmp smem_flash_cmp, drv_smem_cmp; drv_fwhdr = (struct bfi_ioc_image_hdr *) bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0); /* If smem is incompatible or old, driver should not work with it. */ drv_smem_cmp = bfa_ioc_fw_ver_patch_cmp(drv_fwhdr, fwhdr); if (drv_smem_cmp == BFI_IOC_IMG_VER_INCOMP || drv_smem_cmp == BFI_IOC_IMG_VER_OLD) { return false; } /* IF Flash has a better F/W than smem do not work with smem. * If smem f/w == flash f/w, as smem f/w not old | incmp, work with it. * If Flash is old or incomp work with smem iff smem f/w == drv f/w. */ smem_flash_cmp = bfa_ioc_flash_fwver_cmp(ioc, fwhdr); if (smem_flash_cmp == BFI_IOC_IMG_VER_BETTER) return false; else if (smem_flash_cmp == BFI_IOC_IMG_VER_SAME) return true; else return (drv_smem_cmp == BFI_IOC_IMG_VER_SAME) ? true : false; } /* Return true if current running version is valid. Firmware signature and * execution context (driver/bios) must match. */ static bool bfa_ioc_fwver_valid(struct bfa_ioc *ioc, u32 boot_env) { struct bfi_ioc_image_hdr fwhdr; bfa_nw_ioc_fwver_get(ioc, &fwhdr); if (swab32(fwhdr.bootenv) != boot_env) return false; return bfa_nw_ioc_fwver_cmp(ioc, &fwhdr); } /* Conditionally flush any pending message from firmware at start. */ static void bfa_ioc_msgflush(struct bfa_ioc *ioc) { u32 r32; r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); if (r32) writel(1, ioc->ioc_regs.lpu_mbox_cmd); } static void bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force) { enum bfi_ioc_state ioc_fwstate; bool fwvalid; u32 boot_env; ioc_fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); if (force) ioc_fwstate = BFI_IOC_UNINIT; boot_env = BFI_FWBOOT_ENV_OS; /** * check if firmware is valid */ fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? false : bfa_ioc_fwver_valid(ioc, boot_env); if (!fwvalid) { if (bfa_ioc_boot(ioc, BFI_FWBOOT_TYPE_NORMAL, boot_env) == BFA_STATUS_OK) bfa_ioc_poll_fwinit(ioc); 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_ioc_poll_fwinit(ioc); return; } /** * If IOC function is disabled and firmware version is same, * just re-enable IOC. */ if (ioc_fwstate == BFI_IOC_DISABLED || 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); bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); return; } /** * Initialize the h/w for any other states. */ if (bfa_ioc_boot(ioc, BFI_FWBOOT_TYPE_NORMAL, boot_env) == BFA_STATUS_OK) bfa_ioc_poll_fwinit(ioc); } void bfa_nw_ioc_timeout(struct bfa_ioc *ioc) { bfa_fsm_send_event(ioc, IOC_E_TIMEOUT); } static void bfa_ioc_mbox_send(struct bfa_ioc *ioc, void *ioc_msg, int len) { u32 *msgp = (u32 *) ioc_msg; u32 i; BUG_ON(!(len <= BFI_IOC_MSGLEN_MAX)); /* * first write msg to mailbox registers */ for (i = 0; i < len / sizeof(u32); i++) writel(cpu_to_le32(msgp[i]), ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++) writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); /* * write 1 to mailbox CMD to trigger LPU event */ 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 *ioc) { struct bfi_ioc_ctrl_req enable_req; bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, bfa_ioc_portid(ioc)); enable_req.clscode = htons(ioc->clscode); enable_req.rsvd = htons(0); /* overflow in 2106 */ enable_req.tv_sec = ntohl(ktime_get_real_seconds()); bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req)); } static void bfa_ioc_send_disable(struct bfa_ioc *ioc) { struct bfi_ioc_ctrl_req disable_req; bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, bfa_ioc_portid(ioc)); disable_req.clscode = htons(ioc->clscode); disable_req.rsvd = htons(0); /* overflow in 2106 */ disable_req.tv_sec = ntohl(ktime_get_real_seconds()); bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req)); } static void bfa_ioc_send_getattr(struct bfa_ioc *ioc) { struct bfi_ioc_getattr_req attr_req; bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ, bfa_ioc_portid(ioc)); bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa); bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req)); } void bfa_nw_ioc_hb_check(struct bfa_ioc *ioc) { u32 hb_count; hb_count = readl(ioc->ioc_regs.heartbeat); if (ioc->hb_count == hb_count) { bfa_ioc_recover(ioc); return; } else { ioc->hb_count = hb_count; } bfa_ioc_mbox_poll(ioc); mod_timer(&ioc->hb_timer, jiffies + msecs_to_jiffies(BFA_IOC_HB_TOV)); } static void bfa_ioc_hb_monitor(struct bfa_ioc *ioc) { ioc->hb_count = readl(ioc->ioc_regs.heartbeat); mod_timer(&ioc->hb_timer, jiffies + msecs_to_jiffies(BFA_IOC_HB_TOV)); } static void bfa_ioc_hb_stop(struct bfa_ioc *ioc) { del_timer(&ioc->hb_timer); } /* Initiate a full firmware download. */ static enum bfa_status bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type, u32 boot_env) { u32 *fwimg; u32 pgnum; u32 loff = 0; u32 chunkno = 0; u32 i; u32 asicmode; u32 fwimg_size; u32 fwimg_buf[BFI_FLASH_CHUNK_SZ_WORDS]; enum bfa_status status; if (boot_env == BFI_FWBOOT_ENV_OS && boot_type == BFI_FWBOOT_TYPE_FLASH) { fwimg_size = BFI_FLASH_IMAGE_SZ/sizeof(u32); status = bfa_nw_ioc_flash_img_get_chnk(ioc, BFA_IOC_FLASH_CHUNK_ADDR(chunkno), fwimg_buf); if (status != BFA_STATUS_OK) return status; fwimg = fwimg_buf; } else { fwimg_size = bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)); fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); } pgnum = bfa_ioc_smem_pgnum(ioc, loff); writel(pgnum, ioc->ioc_regs.host_page_num_fn); for (i = 0; i < fwimg_size; i++) { if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) { chunkno = BFA_IOC_FLASH_CHUNK_NO(i); if (boot_env == BFI_FWBOOT_ENV_OS && boot_type == BFI_FWBOOT_TYPE_FLASH) { status = bfa_nw_ioc_flash_img_get_chnk(ioc, BFA_IOC_FLASH_CHUNK_ADDR(chunkno), fwimg_buf); if (status != BFA_STATUS_OK) return status; fwimg = fwimg_buf; } else { fwimg = bfa_cb_image_get_chunk( bfa_ioc_asic_gen(ioc), BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); } } /** * write smem */ writel(swab32(fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)]), ioc->ioc_regs.smem_page_start + loff); 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); /* * Set boot type, env and device mode at the end. */ if (boot_env == BFI_FWBOOT_ENV_OS && boot_type == BFI_FWBOOT_TYPE_FLASH) { boot_type = BFI_FWBOOT_TYPE_NORMAL; } asicmode = BFI_FWBOOT_DEVMODE(ioc->asic_gen, ioc->asic_mode, ioc->port0_mode, ioc->port1_mode); writel(asicmode, ((ioc->ioc_regs.smem_page_start) + BFI_FWBOOT_DEVMODE_OFF)); writel(boot_type, ((ioc->ioc_regs.smem_page_start) + (BFI_FWBOOT_TYPE_OFF))); writel(boot_env, ((ioc->ioc_regs.smem_page_start) + (BFI_FWBOOT_ENV_OFF))); return BFA_STATUS_OK; } static void bfa_ioc_reset(struct bfa_ioc *ioc, bool force) { bfa_ioc_hwinit(ioc, force); } /* BFA ioc enable reply by firmware */ static void bfa_ioc_enable_reply(struct bfa_ioc *ioc, enum bfa_mode port_mode, u8 cap_bm) { struct bfa_iocpf *iocpf = &ioc->iocpf; ioc->port_mode = ioc->port_mode_cfg = port_mode; ioc->ad_cap_bm = cap_bm; bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); } /* Update BFA configuration from firmware configuration. */ static void bfa_ioc_getattr_reply(struct bfa_ioc *ioc) { struct bfi_ioc_attr *attr = ioc->attr; attr->adapter_prop = ntohl(attr->adapter_prop); attr->card_type = ntohl(attr->card_type); attr->maxfrsize = ntohs(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 *ioc) { struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; int mc; INIT_LIST_HEAD(&mod->cmd_q); for (mc = 0; mc < BFI_MC_MAX; mc++) { mod->mbhdlr[mc].cbfn = NULL; mod->mbhdlr[mc].cbarg = ioc->bfa; } } /* Mbox poll timer -- restarts any pending mailbox requests. */ static void bfa_ioc_mbox_poll(struct bfa_ioc *ioc) { struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; struct bfa_mbox_cmd *cmd; bfa_mbox_cmd_cbfn_t cbfn; void *cbarg; 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 = readl(ioc->ioc_regs.hfn_mbox_cmd); if (stat) return; /** * Enqueue command to firmware. */ cmd = list_first_entry(&mod->cmd_q, struct bfa_mbox_cmd, qe); list_del(&cmd->qe); bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); /** * Give a callback to the client, indicating that the command is sent */ if (cmd->cbfn) { cbfn = cmd->cbfn; cbarg = cmd->cbarg; cmd->cbfn = NULL; cbfn(cbarg); } } /* Cleanup any pending requests. */ static void bfa_ioc_mbox_flush(struct bfa_ioc *ioc) { struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; struct bfa_mbox_cmd *cmd; while (!list_empty(&mod->cmd_q)) { cmd = list_first_entry(&mod->cmd_q, struct bfa_mbox_cmd, qe); list_del(&cmd->qe); } } /** * bfa_nw_ioc_smem_read - Read data from SMEM to host through PCI memmap * * @ioc: memory for IOC * @tbuf: app memory to store data from smem * @soff: smem offset * @sz: size of smem in bytes */ static int bfa_nw_ioc_smem_read(struct bfa_ioc *ioc, void *tbuf, u32 soff, u32 sz) { u32 pgnum, loff, r32; int i, len; u32 *buf = tbuf; pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff); loff = PSS_SMEM_PGOFF(soff); /* * Hold semaphore to serialize pll init and fwtrc. */ if (!bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) return 1; writel(pgnum, ioc->ioc_regs.host_page_num_fn); len = sz/sizeof(u32); for (i = 0; i < len; i++) { r32 = swab32(readl(loff + ioc->ioc_regs.smem_page_start)); 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(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0), ioc->ioc_regs.host_page_num_fn); /* * release semaphore */ readl(ioc->ioc_regs.ioc_init_sem_reg); writel(1, ioc->ioc_regs.ioc_init_sem_reg); return 0; } /* Retrieve saved firmware trace from a prior IOC failure. */ int bfa_nw_ioc_debug_fwtrc(struct bfa_ioc *ioc, void *trcdata, int *trclen) { u32 loff = BFI_IOC_TRC_OFF + BNA_DBG_FWTRC_LEN * ioc->port_id; int tlen, status = 0; tlen = *trclen; if (tlen > BNA_DBG_FWTRC_LEN) tlen = BNA_DBG_FWTRC_LEN; status = bfa_nw_ioc_smem_read(ioc, trcdata, loff, tlen); *trclen = tlen; return status; } /* Save firmware trace if configured. */ static void bfa_nw_ioc_debug_save_ftrc(struct bfa_ioc *ioc) { int tlen; if (ioc->dbg_fwsave_once) { ioc->dbg_fwsave_once = false; if (ioc->dbg_fwsave_len) { tlen = ioc->dbg_fwsave_len; bfa_nw_ioc_debug_fwtrc(ioc, ioc->dbg_fwsave, &tlen); } } } /* Retrieve saved firmware trace from a prior IOC failure. */ int bfa_nw_ioc_debug_fwsave(struct bfa_ioc *ioc, void *trcdata, int *trclen) { int tlen; if (ioc->dbg_fwsave_len == 0) return BFA_STATUS_ENOFSAVE; tlen = *trclen; if (tlen > ioc->dbg_fwsave_len) tlen = ioc->dbg_fwsave_len; memcpy(trcdata, ioc->dbg_fwsave, tlen); *trclen = tlen; return BFA_STATUS_OK; } static void bfa_ioc_fail_notify(struct bfa_ioc *ioc) { /** * Notify driver and common modules registered for notification. */ ioc->cbfn->hbfail_cbfn(ioc->bfa); bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED); bfa_nw_ioc_debug_save_ftrc(ioc); } /* IOCPF to IOC interface */ static void bfa_ioc_pf_enabled(struct bfa_ioc *ioc) { bfa_fsm_send_event(ioc, IOC_E_ENABLED); } static void bfa_ioc_pf_disabled(struct bfa_ioc *ioc) { bfa_fsm_send_event(ioc, IOC_E_DISABLED); } static void bfa_ioc_pf_failed(struct bfa_ioc *ioc) { bfa_fsm_send_event(ioc, IOC_E_PFFAILED); } static void bfa_ioc_pf_hwfailed(struct bfa_ioc *ioc) { bfa_fsm_send_event(ioc, IOC_E_HWFAILED); } static void bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc) { /** * Provide enable completion callback and AEN notification. */ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); } /* IOC public */ static enum bfa_status bfa_ioc_pll_init(struct bfa_ioc *ioc) { /* * Hold semaphore so that nobody can access the chip during init. */ bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); bfa_ioc_pll_init_asic(ioc); ioc->pllinit = true; /* Initialize LMEM */ bfa_ioc_lmem_init(ioc); /* * release semaphore. */ bfa_nw_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. */ static enum bfa_status bfa_ioc_boot(struct bfa_ioc *ioc, enum bfi_fwboot_type boot_type, u32 boot_env) { struct bfi_ioc_image_hdr *drv_fwhdr; enum bfa_status status; bfa_ioc_stats(ioc, ioc_boots); if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK) return BFA_STATUS_FAILED; if (boot_env == BFI_FWBOOT_ENV_OS && boot_type == BFI_FWBOOT_TYPE_NORMAL) { drv_fwhdr = (struct bfi_ioc_image_hdr *) bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0); /* Work with Flash iff flash f/w is better than driver f/w. * Otherwise push drivers firmware. */ if (bfa_ioc_flash_fwver_cmp(ioc, drv_fwhdr) == BFI_IOC_IMG_VER_BETTER) boot_type = BFI_FWBOOT_TYPE_FLASH; } /** * Initialize IOC state of all functions on a chip reset. */ if (boot_type == BFI_FWBOOT_TYPE_MEMTEST) { bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_MEMTEST); bfa_ioc_set_alt_ioc_fwstate(ioc, BFI_IOC_MEMTEST); } else { bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_INITING); bfa_ioc_set_alt_ioc_fwstate(ioc, BFI_IOC_INITING); } bfa_ioc_msgflush(ioc); status = bfa_ioc_download_fw(ioc, boot_type, boot_env); if (status == BFA_STATUS_OK) bfa_ioc_lpu_start(ioc); else bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); return status; } /* Enable/disable IOC failure auto recovery. */ void bfa_nw_ioc_auto_recover(bool auto_recover) { bfa_nw_auto_recover = auto_recover; } static bool bfa_ioc_msgget(struct bfa_ioc *ioc, void *mbmsg) { u32 *msgp = mbmsg; u32 r32; int i; r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); if ((r32 & 1) == 0) return false; /** * read the MBOX msg */ for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32)); i++) { r32 = readl(ioc->ioc_regs.lpu_mbox + i * sizeof(u32)); msgp[i] = htonl(r32); } /** * turn off mailbox interrupt by clearing mailbox status */ writel(1, ioc->ioc_regs.lpu_mbox_cmd); readl(ioc->ioc_regs.lpu_mbox_cmd); return true; } static void bfa_ioc_isr(struct bfa_ioc *ioc, struct bfi_mbmsg *m) { union bfi_ioc_i2h_msg_u *msg; struct bfa_iocpf *iocpf = &ioc->iocpf; msg = (union bfi_ioc_i2h_msg_u *) m; bfa_ioc_stats(ioc, ioc_isrs); switch (msg->mh.msg_id) { case BFI_IOC_I2H_HBEAT: break; case BFI_IOC_I2H_ENABLE_REPLY: bfa_ioc_enable_reply(ioc, (enum bfa_mode)msg->fw_event.port_mode, msg->fw_event.cap_bm); break; case BFI_IOC_I2H_DISABLE_REPLY: bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE); break; case BFI_IOC_I2H_GETATTR_REPLY: bfa_ioc_getattr_reply(ioc); break; default: BUG_ON(1); } } /** * bfa_nw_ioc_attach - IOC attach time initialization and setup. * * @ioc: memory for IOC * @bfa: driver instance structure */ void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, struct bfa_ioc_cbfn *cbfn) { ioc->bfa = bfa; ioc->cbfn = cbfn; ioc->fcmode = false; ioc->pllinit = false; ioc->dbg_fwsave_once = true; ioc->iocpf.ioc = ioc; bfa_ioc_mbox_attach(ioc); INIT_LIST_HEAD(&ioc->notify_q); bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); bfa_fsm_send_event(ioc, IOC_E_RESET); } /* Driver detach time IOC cleanup. */ void bfa_nw_ioc_detach(struct bfa_ioc *ioc) { bfa_fsm_send_event(ioc, IOC_E_DETACH); /* Done with detach, empty the notify_q. */ INIT_LIST_HEAD(&ioc->notify_q); } /** * bfa_nw_ioc_pci_init - Setup IOC PCI properties. * * @pcidev: PCI device information for this IOC */ void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, enum bfi_pcifn_class clscode) { ioc->clscode = clscode; ioc->pcidev = *pcidev; /** * Initialize IOC and device personality */ ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_FC; ioc->asic_mode = BFI_ASIC_MODE_FC; switch (pcidev->device_id) { case PCI_DEVICE_ID_BROCADE_CT: ioc->asic_gen = BFI_ASIC_GEN_CT; ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH; ioc->asic_mode = BFI_ASIC_MODE_ETH; ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_CNA; ioc->ad_cap_bm = BFA_CM_CNA; break; case BFA_PCI_DEVICE_ID_CT2: ioc->asic_gen = BFI_ASIC_GEN_CT2; if (clscode == BFI_PCIFN_CLASS_FC && pcidev->ssid == BFA_PCI_CT2_SSID_FC) { ioc->asic_mode = BFI_ASIC_MODE_FC16; ioc->fcmode = true; ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; ioc->ad_cap_bm = BFA_CM_HBA; } else { ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH; ioc->asic_mode = BFI_ASIC_MODE_ETH; if (pcidev->ssid == BFA_PCI_CT2_SSID_FCoE) { ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_CNA; ioc->ad_cap_bm = BFA_CM_CNA; } else { ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_NIC; ioc->ad_cap_bm = BFA_CM_NIC; } } break; default: BUG_ON(1); } /** * Set asic specific interfaces. */ if (ioc->asic_gen == BFI_ASIC_GEN_CT) bfa_nw_ioc_set_ct_hwif(ioc); else { WARN_ON(ioc->asic_gen != BFI_ASIC_GEN_CT2); bfa_nw_ioc_set_ct2_hwif(ioc); bfa_nw_ioc_ct2_poweron(ioc); } bfa_ioc_map_port(ioc); bfa_ioc_reg_init(ioc); } /** * bfa_nw_ioc_mem_claim - Initialize IOC dma memory * * @dm_kva: kernel virtual address of IOC dma memory * @dm_pa: physical address of IOC dma memory */ void bfa_nw_ioc_mem_claim(struct bfa_ioc *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 *) dm_kva; } /* Return size of dma memory required. */ u32 bfa_nw_ioc_meminfo(void) { return roundup(sizeof(struct bfi_ioc_attr), BFA_DMA_ALIGN_SZ); } void bfa_nw_ioc_enable(struct bfa_ioc *ioc) { bfa_ioc_stats(ioc, ioc_enables); ioc->dbg_fwsave_once = true; bfa_fsm_send_event(ioc, IOC_E_ENABLE); } void bfa_nw_ioc_disable(struct bfa_ioc *ioc) { bfa_ioc_stats(ioc, ioc_disables); bfa_fsm_send_event(ioc, IOC_E_DISABLE); } /* Initialize memory for saving firmware trace. */ void bfa_nw_ioc_debug_memclaim(struct bfa_ioc *ioc, void *dbg_fwsave) { ioc->dbg_fwsave = dbg_fwsave; ioc->dbg_fwsave_len = ioc->iocpf.auto_recover ? BNA_DBG_FWTRC_LEN : 0; } static u32 bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr) { return PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, fmaddr); } /* Register mailbox message handler function, to be called by common modules */ void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) { struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; mod->mbhdlr[mc].cbfn = cbfn; mod->mbhdlr[mc].cbarg = cbarg; } /** * bfa_nw_ioc_mbox_queue - Queue a mailbox command request to firmware. * * @ioc: IOC instance * @cmd: Mailbox command * * Waits if mailbox is busy. Responsibility of caller to serialize */ bool bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd, bfa_mbox_cmd_cbfn_t cbfn, void *cbarg) { struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; u32 stat; cmd->cbfn = cbfn; cmd->cbarg = cbarg; /** * If a previous command is pending, queue new command */ if (!list_empty(&mod->cmd_q)) { list_add_tail(&cmd->qe, &mod->cmd_q); return true; } /** * If mailbox is busy, queue command for poll timer */ stat = readl(ioc->ioc_regs.hfn_mbox_cmd); if (stat) { list_add_tail(&cmd->qe, &mod->cmd_q); return true; } /** * mailbox is free -- queue command to firmware */ bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); return false; } /* Handle mailbox interrupts */ void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc) { struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; struct bfi_mbmsg m; int mc; if (bfa_ioc_msgget(ioc, &m)) { /** * Treat IOC message class as special. */ mc = m.mh.msg_class; if (mc == BFI_MC_IOC) { bfa_ioc_isr(ioc, &m); return; } if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL)) return; mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m); } bfa_ioc_lpu_read_stat(ioc); /** * Try to send pending mailbox commands */ bfa_ioc_mbox_poll(ioc); } void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc) { bfa_ioc_stats(ioc, ioc_hbfails); bfa_ioc_stats_hb_count(ioc, ioc->hb_count); bfa_fsm_send_event(ioc, IOC_E_HWERROR); } /* return true if IOC is disabled */ bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc) { return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) || bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled); } /* return true if IOC is operational */ bool bfa_nw_ioc_is_operational(struct bfa_ioc *ioc) { return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); } /* Add to IOC heartbeat failure notification queue. To be used by common * modules such as cee, port, diag. */ void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc, struct bfa_ioc_notify *notify) { list_add_tail(¬ify->qe, &ioc->notify_q); } #define BFA_MFG_NAME "QLogic" static void bfa_ioc_get_adapter_attr(struct bfa_ioc *ioc, struct bfa_adapter_attr *ad_attr) { struct bfi_ioc_attr *ioc_attr; ioc_attr = ioc->attr; bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num); 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); memcpy(&ad_attr->vpd, &ioc_attr->vpd, sizeof(struct bfa_mfg_vpd)); ad_attr->nports = bfa_ioc_get_nports(ioc); ad_attr->max_speed = bfa_ioc_speed_sup(ioc); bfa_ioc_get_adapter_model(ioc, ad_attr->model); /* 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); bfa_nw_ioc_get_mac(ioc, ad_attr->mac); ad_attr->pcie_gen = ioc_attr->pcie_gen; ad_attr->pcie_lanes = ioc_attr->pcie_lanes; ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig; ad_attr->asic_rev = ioc_attr->asic_rev; bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver); } static enum bfa_ioc_type bfa_ioc_get_type(struct bfa_ioc *ioc) { if (ioc->clscode == BFI_PCIFN_CLASS_ETH) return BFA_IOC_TYPE_LL; BUG_ON(!(ioc->clscode == BFI_PCIFN_CLASS_FC)); return (ioc->attr->port_mode == BFI_PORT_MODE_FC) ? BFA_IOC_TYPE_FC : BFA_IOC_TYPE_FCoE; } static void bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, char *serial_num) { memcpy(serial_num, (void *)ioc->attr->brcd_serialnum, BFA_ADAPTER_SERIAL_NUM_LEN); } static void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, char *fw_ver) { memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); } static void bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, char *chip_rev) { BUG_ON(!(chip_rev)); memset(chip_rev, 0, BFA_IOC_CHIP_REV_LEN); chip_rev[0] = 'R'; chip_rev[1] = 'e'; chip_rev[2] = 'v'; chip_rev[3] = '-'; chip_rev[4] = ioc->attr->asic_rev; chip_rev[5] = '\0'; } static void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, char *optrom_ver) { memcpy(optrom_ver, ioc->attr->optrom_version, BFA_VERSION_LEN); } static void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, char *manufacturer) { strncpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN); } static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model) { struct bfi_ioc_attr *ioc_attr; BUG_ON(!(model)); memset(model, 0, BFA_ADAPTER_MODEL_NAME_LEN); ioc_attr = ioc->attr; snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u", BFA_MFG_NAME, ioc_attr->card_type); } static enum bfa_ioc_state bfa_ioc_get_state(struct bfa_ioc *ioc) { 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_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr) { memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr)); ioc_attr->state = bfa_ioc_get_state(ioc); ioc_attr->port_id = bfa_ioc_portid(ioc); ioc_attr->port_mode = ioc->port_mode; ioc_attr->port_mode_cfg = ioc->port_mode_cfg; ioc_attr->cap_bm = ioc->ad_cap_bm; ioc_attr->ioc_type = bfa_ioc_get_type(ioc); bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr); ioc_attr->pci_attr.device_id = bfa_ioc_devid(ioc); ioc_attr->pci_attr.pcifn = bfa_ioc_pcifn(ioc); ioc_attr->def_fn = bfa_ioc_is_default(ioc); bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); } /* WWN public */ static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc) { return ioc->attr->pwwn; } void bfa_nw_ioc_get_mac(struct bfa_ioc *ioc, u8 *mac) { ether_addr_copy(mac, ioc->attr->mac); } /* Firmware failure detected. Start recovery actions. */ static void bfa_ioc_recover(struct bfa_ioc *ioc) { pr_crit("Heart Beat of IOC has failed\n"); bfa_ioc_stats(ioc, ioc_hbfails); bfa_ioc_stats_hb_count(ioc, ioc->hb_count); bfa_fsm_send_event(ioc, IOC_E_HBFAIL); } /* BFA IOC PF private functions */ static void bfa_iocpf_enable(struct bfa_ioc *ioc) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE); } static void bfa_iocpf_disable(struct bfa_ioc *ioc) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE); } static void bfa_iocpf_fail(struct bfa_ioc *ioc) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); } static void bfa_iocpf_initfail(struct bfa_ioc *ioc) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); } static void bfa_iocpf_getattrfail(struct bfa_ioc *ioc) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); } static void bfa_iocpf_stop(struct bfa_ioc *ioc) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); } void bfa_nw_iocpf_timeout(struct bfa_ioc *ioc) { enum bfa_iocpf_state iocpf_st; iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); if (iocpf_st == BFA_IOCPF_HWINIT) bfa_ioc_poll_fwinit(ioc); else bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); } void bfa_nw_iocpf_sem_timeout(struct bfa_ioc *ioc) { bfa_ioc_hw_sem_get(ioc); } static void bfa_ioc_poll_fwinit(struct bfa_ioc *ioc) { u32 fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); if (fwstate == BFI_IOC_DISABLED) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); return; } if (ioc->iocpf.poll_time >= BFA_IOC_TOV) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); } else { ioc->iocpf.poll_time += BFA_IOC_POLL_TOV; mod_timer(&ioc->iocpf_timer, jiffies + msecs_to_jiffies(BFA_IOC_POLL_TOV)); } } /* * Flash module specific */ /* * FLASH DMA buffer should be big enough to hold both MFG block and * asic block(64k) at the same time and also should be 2k aligned to * avoid write segement to cross sector boundary. */ #define BFA_FLASH_SEG_SZ 2048 #define BFA_FLASH_DMA_BUF_SZ \ roundup(0x010000 + sizeof(struct bfa_mfg_block), BFA_FLASH_SEG_SZ) static void bfa_flash_cb(struct bfa_flash *flash) { flash->op_busy = 0; if (flash->cbfn) flash->cbfn(flash->cbarg, flash->status); } static void bfa_flash_notify(void *cbarg, enum bfa_ioc_event event) { struct bfa_flash *flash = cbarg; switch (event) { case BFA_IOC_E_DISABLED: case BFA_IOC_E_FAILED: if (flash->op_busy) { flash->status = BFA_STATUS_IOC_FAILURE; flash->cbfn(flash->cbarg, flash->status); flash->op_busy = 0; } break; default: break; } } /* * Send flash write request. */ static void bfa_flash_write_send(struct bfa_flash *flash) { struct bfi_flash_write_req *msg = (struct bfi_flash_write_req *) flash->mb.msg; u32 len; msg->type = be32_to_cpu(flash->type); msg->instance = flash->instance; msg->offset = be32_to_cpu(flash->addr_off + flash->offset); len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ? flash->residue : BFA_FLASH_DMA_BUF_SZ; msg->length = be32_to_cpu(len); /* indicate if it's the last msg of the whole write operation */ msg->last = (len == flash->residue) ? 1 : 0; bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_WRITE_REQ, bfa_ioc_portid(flash->ioc)); bfa_alen_set(&msg->alen, len, flash->dbuf_pa); memcpy(flash->dbuf_kva, flash->ubuf + flash->offset, len); bfa_nw_ioc_mbox_queue(flash->ioc, &flash->mb, NULL, NULL); flash->residue -= len; flash->offset += len; } /** * bfa_flash_read_send - Send flash read request. * * @cbarg: callback argument */ static void bfa_flash_read_send(void *cbarg) { struct bfa_flash *flash = cbarg; struct bfi_flash_read_req *msg = (struct bfi_flash_read_req *) flash->mb.msg; u32 len; msg->type = be32_to_cpu(flash->type); msg->instance = flash->instance; msg->offset = be32_to_cpu(flash->addr_off + flash->offset); len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ? flash->residue : BFA_FLASH_DMA_BUF_SZ; msg->length = be32_to_cpu(len); bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_READ_REQ, bfa_ioc_portid(flash->ioc)); bfa_alen_set(&msg->alen, len, flash->dbuf_pa); bfa_nw_ioc_mbox_queue(flash->ioc, &flash->mb, NULL, NULL); } /** * bfa_flash_intr - Process flash response messages upon receiving interrupts. * * @flasharg: flash structure * @msg: message structure */ static void bfa_flash_intr(void *flasharg, struct bfi_mbmsg *msg) { struct bfa_flash *flash = flasharg; u32 status; union { struct bfi_flash_query_rsp *query; struct bfi_flash_write_rsp *write; struct bfi_flash_read_rsp *read; struct bfi_mbmsg *msg; } m; m.msg = msg; /* receiving response after ioc failure */ if (!flash->op_busy && msg->mh.msg_id != BFI_FLASH_I2H_EVENT) return; switch (msg->mh.msg_id) { case BFI_FLASH_I2H_QUERY_RSP: status = be32_to_cpu(m.query->status); if (status == BFA_STATUS_OK) { u32 i; struct bfa_flash_attr *attr, *f; attr = (struct bfa_flash_attr *) flash->ubuf; f = (struct bfa_flash_attr *) flash->dbuf_kva; attr->status = be32_to_cpu(f->status); attr->npart = be32_to_cpu(f->npart); for (i = 0; i < attr->npart; i++) { attr->part[i].part_type = be32_to_cpu(f->part[i].part_type); attr->part[i].part_instance = be32_to_cpu(f->part[i].part_instance); attr->part[i].part_off = be32_to_cpu(f->part[i].part_off); attr->part[i].part_size = be32_to_cpu(f->part[i].part_size); attr->part[i].part_len = be32_to_cpu(f->part[i].part_len); attr->part[i].part_status = be32_to_cpu(f->part[i].part_status); } } flash->status = status; bfa_flash_cb(flash); break; case BFI_FLASH_I2H_WRITE_RSP: status = be32_to_cpu(m.write->status); if (status != BFA_STATUS_OK || flash->residue == 0) { flash->status = status; bfa_flash_cb(flash); } else bfa_flash_write_send(flash); break; case BFI_FLASH_I2H_READ_RSP: status = be32_to_cpu(m.read->status); if (status != BFA_STATUS_OK) { flash->status = status; bfa_flash_cb(flash); } else { u32 len = be32_to_cpu(m.read->length); memcpy(flash->ubuf + flash->offset, flash->dbuf_kva, len); flash->residue -= len; flash->offset += len; if (flash->residue == 0) { flash->status = status; bfa_flash_cb(flash); } else bfa_flash_read_send(flash); } break; case BFI_FLASH_I2H_BOOT_VER_RSP: case BFI_FLASH_I2H_EVENT: break; default: WARN_ON(1); } } /* * Flash memory info API. */ u32 bfa_nw_flash_meminfo(void) { return roundup(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } /** * bfa_nw_flash_attach - Flash attach API. * * @flash: flash structure * @ioc: ioc structure * @dev: device structure */ void bfa_nw_flash_attach(struct bfa_flash *flash, struct bfa_ioc *ioc, void *dev) { flash->ioc = ioc; flash->cbfn = NULL; flash->cbarg = NULL; flash->op_busy = 0; bfa_nw_ioc_mbox_regisr(flash->ioc, BFI_MC_FLASH, bfa_flash_intr, flash); bfa_ioc_notify_init(&flash->ioc_notify, bfa_flash_notify, flash); list_add_tail(&flash->ioc_notify.qe, &flash->ioc->notify_q); } /** * bfa_nw_flash_memclaim - Claim memory for flash * * @flash: flash structure * @dm_kva: pointer to virtual memory address * @dm_pa: physical memory address */ void bfa_nw_flash_memclaim(struct bfa_flash *flash, u8 *dm_kva, u64 dm_pa) { flash->dbuf_kva = dm_kva; flash->dbuf_pa = dm_pa; memset(flash->dbuf_kva, 0, BFA_FLASH_DMA_BUF_SZ); dm_kva += roundup(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); dm_pa += roundup(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } /** * bfa_nw_flash_get_attr - Get flash attribute. * * @flash: flash structure * @attr: flash attribute structure * @cbfn: callback function * @cbarg: callback argument * * Return status. */ enum bfa_status bfa_nw_flash_get_attr(struct bfa_flash *flash, struct bfa_flash_attr *attr, bfa_cb_flash cbfn, void *cbarg) { struct bfi_flash_query_req *msg = (struct bfi_flash_query_req *) flash->mb.msg; if (!bfa_nw_ioc_is_operational(flash->ioc)) return BFA_STATUS_IOC_NON_OP; if (flash->op_busy) return BFA_STATUS_DEVBUSY; flash->op_busy = 1; flash->cbfn = cbfn; flash->cbarg = cbarg; flash->ubuf = (u8 *) attr; bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_QUERY_REQ, bfa_ioc_portid(flash->ioc)); bfa_alen_set(&msg->alen, sizeof(struct bfa_flash_attr), flash->dbuf_pa); bfa_nw_ioc_mbox_queue(flash->ioc, &flash->mb, NULL, NULL); return BFA_STATUS_OK; } /** * bfa_nw_flash_update_part - Update flash partition. * * @flash: flash structure * @type: flash partition type * @instance: flash partition instance * @buf: update data buffer * @len: data buffer length * @offset: offset relative to the partition starting address * @cbfn: callback function * @cbarg: callback argument * * Return status. */ enum bfa_status bfa_nw_flash_update_part(struct bfa_flash *flash, u32 type, u8 instance, void *buf, u32 len, u32 offset, bfa_cb_flash cbfn, void *cbarg) { if (!bfa_nw_ioc_is_operational(flash->ioc)) return BFA_STATUS_IOC_NON_OP; /* * 'len' must be in word (4-byte) boundary */ if (!len || (len & 0x03)) return BFA_STATUS_FLASH_BAD_LEN; if (type == BFA_FLASH_PART_MFG) return BFA_STATUS_EINVAL; if (flash->op_busy) return BFA_STATUS_DEVBUSY; flash->op_busy = 1; flash->cbfn = cbfn; flash->cbarg = cbarg; flash->type = type; flash->instance = instance; flash->residue = len; flash->offset = 0; flash->addr_off = offset; flash->ubuf = buf; bfa_flash_write_send(flash); return BFA_STATUS_OK; } /** * bfa_nw_flash_read_part - Read flash partition. * * @flash: flash structure * @type: flash partition type * @instance: flash partition instance * @buf: read data buffer * @len: data buffer length * @offset: offset relative to the partition starting address * @cbfn: callback function * @cbarg: callback argument * * Return status. */ enum bfa_status bfa_nw_flash_read_part(struct bfa_flash *flash, u32 type, u8 instance, void *buf, u32 len, u32 offset, bfa_cb_flash cbfn, void *cbarg) { if (!bfa_nw_ioc_is_operational(flash->ioc)) return BFA_STATUS_IOC_NON_OP; /* * 'len' must be in word (4-byte) boundary */ if (!len || (len & 0x03)) return BFA_STATUS_FLASH_BAD_LEN; if (flash->op_busy) return BFA_STATUS_DEVBUSY; flash->op_busy = 1; flash->cbfn = cbfn; flash->cbarg = cbarg; flash->type = type; flash->instance = instance; flash->residue = len; flash->offset = 0; flash->addr_off = offset; flash->ubuf = buf; bfa_flash_read_send(flash); return BFA_STATUS_OK; }
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