| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Vijaya Mohan Guvva | 17094 | 60.57% | 4 | 6.78% |
| Krishna Gudipati | 9385 | 33.25% | 31 | 52.54% |
| Jing Huang | 1555 | 5.51% | 12 | 20.34% |
| Maggie Zhang | 133 | 0.47% | 3 | 5.08% |
| Arnd Bergmann | 26 | 0.09% | 2 | 3.39% |
| Lee Jones | 14 | 0.05% | 2 | 3.39% |
| Gustavo A. R. Silva | 12 | 0.04% | 2 | 3.39% |
| Ben Hutchings | 2 | 0.01% | 1 | 1.69% |
| Thomas Gleixner | 2 | 0.01% | 1 | 1.69% |
| Anil Gurumurthy | 1 | 0.00% | 1 | 1.69% |
| Total | 28224 | 59 |
// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. * Copyright (c) 2014- QLogic Corporation. * All rights reserved * www.qlogic.com * * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. */ #include "bfad_drv.h" #include "bfad_im.h" #include "bfa_ioc.h" #include "bfi_reg.h" #include "bfa_defs.h" #include "bfa_defs_svc.h" #include "bfi.h" BFA_TRC_FILE(CNA, IOC); /* * IOC local definitions */ #define BFA_IOC_TOV 3000 /* msecs */ #define BFA_IOC_HWSEM_TOV 500 /* msecs */ #define BFA_IOC_HB_TOV 500 /* msecs */ #define BFA_IOC_TOV_RECOVER BFA_IOC_HB_TOV #define BFA_IOC_POLL_TOV BFA_TIMER_FREQ #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_OFF(_fn) (BFI_IOC_TRC_OFF + BFA_DBG_FWTRC_LEN * (_fn)) #define bfa_ioc_state_disabled(__sm) \ (((__sm) == BFI_IOC_UNINIT) || \ ((__sm) == BFI_IOC_INITING) || \ ((__sm) == BFI_IOC_HWINIT) || \ ((__sm) == BFI_IOC_DISABLED) || \ ((__sm) == BFI_IOC_FAIL) || \ ((__sm) == BFI_IOC_CFG_DISABLED)) /* * 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)) #define bfa_ioc_get_alt_ioc_fwstate(__ioc) \ ((__ioc)->ioc_hwif->ioc_get_alt_fwstate(__ioc)) #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_hw_sem_get(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_poll_fwinit(struct bfa_ioc_s *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_mbox_poll(struct bfa_ioc_s *ioc); static void bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc); static void bfa_ioc_recover(struct bfa_ioc_s *ioc); static void bfa_ioc_event_notify(struct bfa_ioc_s *ioc , enum bfa_ioc_event_e event); 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_fail_notify(struct bfa_ioc_s *ioc); static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc); static enum bfi_ioc_img_ver_cmp_e bfa_ioc_fw_ver_patch_cmp( struct bfi_ioc_image_hdr_s *base_fwhdr, struct bfi_ioc_image_hdr_s *fwhdr_to_cmp); static enum bfi_ioc_img_ver_cmp_e bfa_ioc_flash_fwver_cmp( struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *base_fwhdr); /* * 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_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, reset, 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, fail_retry, 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); bfa_fsm_state_decl(bfa_ioc, hwfail, 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_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}, }; /* * 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_poll_timer_start(__ioc) \ bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ bfa_iocpf_poll_timeout, (__ioc), BFA_IOC_POLL_TOV) #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_timeout(void *ioc_arg); static void bfa_iocpf_sem_timeout(void *ioc_arg); static void bfa_iocpf_poll_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_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_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_sync, 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_sync, 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, disabling_sync, 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_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_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) { bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); } /* * IOC is in reset state. */ static void bfa_ioc_sm_reset(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_disable_comp(ioc); break; case IOC_E_DETACH: bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); break; default: bfa_sm_fault(ioc, event); } } static void bfa_ioc_sm_enabling_entry(struct bfa_ioc_s *ioc) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE); } /* * Host IOC function is being enabled, awaiting response from firmware. * Semaphore is acquired. */ static void bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, 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_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); 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_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); break; case IOC_E_ENABLE: break; default: bfa_sm_fault(ioc, event); } } static void bfa_ioc_sm_getattr_entry(struct bfa_ioc_s *ioc) { bfa_ioc_timer_start(ioc); bfa_ioc_send_getattr(ioc); } /* * IOC configuration in progress. Timer is active. */ static void 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_fsm_set_state(ioc, bfa_ioc_sm_op); break; case IOC_E_PFFAILED: case IOC_E_HWERROR: bfa_ioc_timer_stop(ioc); fallthrough; 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_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); break; case IOC_E_DISABLE: bfa_ioc_timer_stop(ioc); bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); break; case IOC_E_ENABLE: break; default: bfa_sm_fault(ioc, event); } } static void bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc) { struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); bfa_ioc_event_notify(ioc, BFA_IOC_E_ENABLED); bfa_ioc_hb_monitor(ioc); BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC enabled\n"); bfa_ioc_aen_post(ioc, BFA_IOC_AEN_ENABLE); } static void bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, event); switch (event) { case IOC_E_ENABLE: break; case IOC_E_DISABLE: bfa_hb_timer_stop(ioc); bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); break; case IOC_E_PFFAILED: case IOC_E_HWERROR: bfa_hb_timer_stop(ioc); fallthrough; 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_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); break; default: bfa_sm_fault(ioc, event); } } static void bfa_ioc_sm_disabling_entry(struct bfa_ioc_s *ioc) { struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE); BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC disabled\n"); bfa_ioc_aen_post(ioc, BFA_IOC_AEN_DISABLE); } /* * IOC is being disabled */ static void bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, 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_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); break; case IOC_E_HWFAILED: bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); bfa_ioc_disable_comp(ioc); break; default: bfa_sm_fault(ioc, event); } } /* * 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: ioc->cbfn->disable_cbfn(ioc->bfa); break; case IOC_E_DETACH: bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); break; default: bfa_sm_fault(ioc, event); } } static void bfa_ioc_sm_fail_retry_entry(struct bfa_ioc_s *ioc) { bfa_trc(ioc, 0); } /* * Hardware initialization retry. */ static void bfa_ioc_sm_fail_retry(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, 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_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); 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_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); break; default: bfa_sm_fault(ioc, event); } } static void bfa_ioc_sm_fail_entry(struct bfa_ioc_s *ioc) { bfa_trc(ioc, 0); } /* * IOC failure. */ static void bfa_ioc_sm_fail(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, 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_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); break; case IOC_E_HWERROR: case IOC_E_HWFAILED: /* * HB failure / HW error notification, ignore. */ break; default: bfa_sm_fault(ioc, event); } } static void bfa_ioc_sm_hwfail_entry(struct bfa_ioc_s *ioc) { bfa_trc(ioc, 0); } static void bfa_ioc_sm_hwfail(struct bfa_ioc_s *ioc, enum ioc_event event) { bfa_trc(ioc, 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; case IOC_E_HWERROR: /* Ignore - already in hwfail state */ break; default: bfa_sm_fault(ioc, event); } } /* * IOCPF State Machine */ /* * Reset entry actions -- initialize state machine */ static void bfa_iocpf_sm_reset_entry(struct bfa_iocpf_s *iocpf) { iocpf->fw_mismatch_notified = BFA_FALSE; 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 IOCPF_E_STOP: break; default: bfa_sm_fault(ioc, event); } } /* * Semaphore should be acquired for version check. */ static void bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf) { struct bfi_ioc_image_hdr_s fwhdr; u32 r32, fwstate, pgnum, loff = 0; int i; /* * Spin on init semaphore to serialize. */ r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg); while (r32 & 0x1) { udelay(20); r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg); } /* h/w sem init */ fwstate = bfa_ioc_get_cur_ioc_fwstate(iocpf->ioc); if (fwstate == BFI_IOC_UNINIT) { writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); goto sem_get; } bfa_ioc_fwver_get(iocpf->ioc, &fwhdr); if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) { writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); goto sem_get; } /* * Clear fwver hdr */ pgnum = PSS_SMEM_PGNUM(iocpf->ioc->ioc_regs.smem_pg0, loff); writel(pgnum, iocpf->ioc->ioc_regs.host_page_num_fn); for (i = 0; i < sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32); i++) { bfa_mem_write(iocpf->ioc->ioc_regs.smem_page_start, loff, 0); loff += sizeof(u32); } bfa_trc(iocpf->ioc, fwstate); bfa_trc(iocpf->ioc, swab32(fwhdr.exec)); bfa_ioc_set_cur_ioc_fwstate(iocpf->ioc, BFI_IOC_UNINIT); bfa_ioc_set_alt_ioc_fwstate(iocpf->ioc, BFI_IOC_UNINIT); /* * Unlock the hw semaphore. Should be here only once per boot. */ bfa_ioc_ownership_reset(iocpf->ioc); /* * unlock init semaphore. */ writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); sem_get: 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_s *iocpf, enum iocpf_event event) { struct bfa_ioc_s *ioc = iocpf->ioc; bfa_trc(ioc, event); 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); writel(1, ioc->ioc_regs.ioc_sem_reg); bfa_sem_timer_start(ioc); } } else { writel(1, ioc->ioc_regs.ioc_sem_reg); 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_fsm_send_event(ioc, IOC_E_HWFAILED); break; case IOCPF_E_DISABLE: bfa_sem_timer_stop(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); bfa_fsm_send_event(ioc, IOC_E_DISABLED); break; case IOCPF_E_STOP: bfa_sem_timer_stop(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); break; default: bfa_sm_fault(ioc, event); } } /* * Notify enable completion callback. */ static void bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf_s *iocpf) { /* * Call only the first time sm enters fwmismatch state. */ if (iocpf->fw_mismatch_notified == BFA_FALSE) bfa_ioc_pf_fwmismatch(iocpf->ioc); iocpf->fw_mismatch_notified = BFA_TRUE; 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 IOCPF_E_TIMEOUT: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); break; case IOCPF_E_DISABLE: bfa_iocpf_timer_stop(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); bfa_fsm_send_event(ioc, IOC_E_DISABLED); break; 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: if (bfa_ioc_sync_complete(ioc)) { bfa_ioc_sync_join(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); } else { writel(1, ioc->ioc_regs.ioc_sem_reg); bfa_sem_timer_start(ioc); } break; case IOCPF_E_SEM_ERROR: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); bfa_fsm_send_event(ioc, IOC_E_HWFAILED); break; case IOCPF_E_DISABLE: bfa_sem_timer_stop(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); break; default: bfa_sm_fault(ioc, event); } } static void bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf_s *iocpf) { iocpf->poll_time = 0; bfa_ioc_hwinit(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_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); break; case IOCPF_E_TIMEOUT: writel(1, ioc->ioc_regs.ioc_sem_reg); bfa_fsm_send_event(ioc, IOC_E_PFFAILED); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); break; case IOCPF_E_DISABLE: bfa_iocpf_timer_stop(ioc); bfa_ioc_sync_leave(ioc); writel(1, ioc->ioc_regs.ioc_sem_reg); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; default: bfa_sm_fault(ioc, event); } } static void bfa_iocpf_sm_enabling_entry(struct bfa_iocpf_s *iocpf) { bfa_iocpf_timer_start(iocpf->ioc); /* * 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_s *iocpf, enum iocpf_event event) { struct bfa_ioc_s *ioc = iocpf->ioc; bfa_trc(ioc, event); switch (event) { case IOCPF_E_FWRSP_ENABLE: bfa_iocpf_timer_stop(ioc); writel(1, ioc->ioc_regs.ioc_sem_reg); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); break; case IOCPF_E_INITFAIL: bfa_iocpf_timer_stop(ioc); fallthrough; case IOCPF_E_TIMEOUT: writel(1, ioc->ioc_regs.ioc_sem_reg); if (event == IOCPF_E_TIMEOUT) bfa_fsm_send_event(ioc, IOC_E_PFFAILED); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); break; case IOCPF_E_DISABLE: bfa_iocpf_timer_stop(ioc); writel(1, ioc->ioc_regs.ioc_sem_reg); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); break; default: bfa_sm_fault(ioc, event); } } static void bfa_iocpf_sm_ready_entry(struct bfa_iocpf_s *iocpf) { bfa_fsm_send_event(iocpf->ioc, IOC_E_ENABLED); } static void 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 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(ioc, event); } } static void bfa_iocpf_sm_disabling_entry(struct bfa_iocpf_s *iocpf) { bfa_iocpf_timer_start(iocpf->ioc); bfa_ioc_send_disable(iocpf->ioc); } /* * IOC is being disabled */ static void 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 IOCPF_E_FWRSP_DISABLE: bfa_iocpf_timer_stop(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); break; case IOCPF_E_FAIL: bfa_iocpf_timer_stop(ioc); fallthrough; 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(ioc, event); } } static void bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf_s *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_s *iocpf, enum iocpf_event event) { struct bfa_ioc_s *ioc = iocpf->ioc; bfa_trc(ioc, event); switch (event) { case IOCPF_E_SEMLOCKED: bfa_ioc_sync_leave(ioc); writel(1, ioc->ioc_regs.ioc_sem_reg); 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_fsm_send_event(ioc, IOC_E_HWFAILED); break; case IOCPF_E_FAIL: break; default: bfa_sm_fault(ioc, event); } } /* * IOC disable completion entry. */ static void bfa_iocpf_sm_disabled_entry(struct bfa_iocpf_s *iocpf) { bfa_ioc_mbox_flush(iocpf->ioc); bfa_fsm_send_event(iocpf->ioc, IOC_E_DISABLED); } static void bfa_iocpf_sm_disabled(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_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(ioc, event); } } static void bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf_s *iocpf) { bfa_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_s *iocpf, enum iocpf_event event) { struct bfa_ioc_s *ioc = iocpf->ioc; bfa_trc(ioc, event); 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); writel(1, ioc->ioc_regs.ioc_sem_reg); 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_fsm_send_event(ioc, IOC_E_HWFAILED); break; case IOCPF_E_DISABLE: bfa_sem_timer_stop(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); break; case IOCPF_E_STOP: bfa_sem_timer_stop(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(ioc, event); } } static void bfa_iocpf_sm_initfail_entry(struct bfa_iocpf_s *iocpf) { bfa_trc(iocpf->ioc, 0); } /* * Hardware initialization failed. */ static void 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 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(ioc, event); } } static void bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf_s *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); } static void bfa_iocpf_sm_fail_sync(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: 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); writel(1, ioc->ioc_regs.ioc_sem_reg); 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 { writel(1, ioc->ioc_regs.ioc_sem_reg); 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_fsm_send_event(ioc, IOC_E_HWFAILED); break; case IOCPF_E_DISABLE: bfa_sem_timer_stop(ioc); bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); break; case IOCPF_E_FAIL: break; default: bfa_sm_fault(ioc, event); } } static void bfa_iocpf_sm_fail_entry(struct bfa_iocpf_s *iocpf) { bfa_trc(iocpf->ioc, 0); } /* * 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: bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; default: bfa_sm_fault(ioc, event); } } /* * BFA IOC private functions */ /* * Notify common modules registered for notification. */ static void bfa_ioc_event_notify(struct bfa_ioc_s *ioc, enum bfa_ioc_event_e event) { struct bfa_ioc_notify_s *notify; struct list_head *qe; list_for_each(qe, &ioc->notify_q) { notify = (struct bfa_ioc_notify_s *)qe; notify->cbfn(notify->cbarg, event); } } static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc) { ioc->cbfn->disable_cbfn(ioc->bfa); bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED); } bfa_boolean_t bfa_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 BFA_TRUE; return BFA_FALSE; } static void bfa_ioc_hw_sem_get(struct bfa_ioc_s *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) { WARN_ON(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; } bfa_sem_timer_start(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; #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. */ WARN_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE)); bfa_trc(ioc, pss_ctl); 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_s *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_s *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_ioc_fwver_get(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr) { u32 pgnum; u32 loff = 0; int i; u32 *fwsig = (u32 *) fwhdr; pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 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); loff += sizeof(u32); } } /* * Returns TRUE if driver is willing to work with current smem f/w version. */ bfa_boolean_t bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *smem_fwhdr) { struct bfi_ioc_image_hdr_s *drv_fwhdr; enum bfi_ioc_img_ver_cmp_e smem_flash_cmp, drv_smem_cmp; drv_fwhdr = (struct bfi_ioc_image_hdr_s *) 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, smem_fwhdr); if (drv_smem_cmp == BFI_IOC_IMG_VER_INCOMP || drv_smem_cmp == BFI_IOC_IMG_VER_OLD) { return BFA_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, smem_fwhdr); if (smem_flash_cmp == BFI_IOC_IMG_VER_BETTER) { return BFA_FALSE; } else if (smem_flash_cmp == BFI_IOC_IMG_VER_SAME) { return BFA_TRUE; } else { return (drv_smem_cmp == BFI_IOC_IMG_VER_SAME) ? BFA_TRUE : BFA_FALSE; } } /* * 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, u32 boot_env) { struct bfi_ioc_image_hdr_s fwhdr; bfa_ioc_fwver_get(ioc, &fwhdr); if (swab32(fwhdr.bootenv) != boot_env) { bfa_trc(ioc, fwhdr.bootenv); bfa_trc(ioc, boot_env); return BFA_FALSE; } return bfa_ioc_fwver_cmp(ioc, &fwhdr); } static bfa_boolean_t bfa_ioc_fwver_md5_check(struct bfi_ioc_image_hdr_s *fwhdr_1, struct bfi_ioc_image_hdr_s *fwhdr_2) { int i; for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) if (fwhdr_1->md5sum[i] != fwhdr_2->md5sum[i]) return BFA_FALSE; return BFA_TRUE; } /* * Returns TRUE if major minor and maintainence are same. * If patch versions are same, check for MD5 Checksum to be same. */ static bfa_boolean_t bfa_ioc_fw_ver_compatible(struct bfi_ioc_image_hdr_s *drv_fwhdr, struct bfi_ioc_image_hdr_s *fwhdr_to_cmp) { if (drv_fwhdr->signature != fwhdr_to_cmp->signature) return BFA_FALSE; if (drv_fwhdr->fwver.major != fwhdr_to_cmp->fwver.major) return BFA_FALSE; if (drv_fwhdr->fwver.minor != fwhdr_to_cmp->fwver.minor) return BFA_FALSE; if (drv_fwhdr->fwver.maint != fwhdr_to_cmp->fwver.maint) return BFA_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 BFA_TRUE; } static bfa_boolean_t bfa_ioc_flash_fwver_valid(struct bfi_ioc_image_hdr_s *flash_fwhdr) { if (flash_fwhdr->fwver.major == 0 || flash_fwhdr->fwver.major == 0xFF) return BFA_FALSE; return BFA_TRUE; } static bfa_boolean_t fwhdr_is_ga(struct bfi_ioc_image_hdr_s *fwhdr) { if (fwhdr->fwver.phase == 0 && fwhdr->fwver.build == 0) return BFA_TRUE; return BFA_FALSE; } /* * Returns TRUE if both are compatible and patch of fwhdr_to_cmp is better. */ static enum bfi_ioc_img_ver_cmp_e bfa_ioc_fw_ver_patch_cmp(struct bfi_ioc_image_hdr_s *base_fwhdr, struct bfi_ioc_image_hdr_s *fwhdr_to_cmp) { if (bfa_ioc_fw_ver_compatible(base_fwhdr, fwhdr_to_cmp) == BFA_FALSE) 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) == BFA_TRUE) { 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; } #define BFA_FLASH_PART_FWIMG_ADDR 0x100000 /* fw image address */ bfa_status_t bfa_ioc_flash_img_get_chnk(struct bfa_ioc_s *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_e bfa_ioc_flash_fwver_cmp(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *base_fwhdr) { struct bfi_ioc_image_hdr_s *flash_fwhdr; bfa_status_t status; u32 fwimg[BFI_FLASH_CHUNK_SZ_WORDS]; status = bfa_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_s *) fwimg; if (bfa_ioc_flash_fwver_valid(flash_fwhdr) == BFA_TRUE) return bfa_ioc_fw_ver_patch_cmp(base_fwhdr, flash_fwhdr); else return BFI_IOC_IMG_VER_INCOMP; } /* * Invalidate fwver signature */ bfa_status_t bfa_ioc_fwsig_invalidate(struct bfa_ioc_s *ioc) { u32 pgnum; u32 loff = 0; enum bfi_ioc_state ioc_fwstate; ioc_fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); if (!bfa_ioc_state_disabled(ioc_fwstate)) return BFA_STATUS_ADAPTER_ENABLED; pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); writel(pgnum, ioc->ioc_regs.host_page_num_fn); bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, BFA_IOC_FW_INV_SIGN); return BFA_STATUS_OK; } /* * Conditionally flush any pending message from firmware at start. */ static void bfa_ioc_msgflush(struct bfa_ioc_s *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_s *ioc, bfa_boolean_t force) { enum bfi_ioc_state ioc_fwstate; bfa_boolean_t fwvalid; u32 boot_type; u32 boot_env; ioc_fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); if (force) ioc_fwstate = BFI_IOC_UNINIT; bfa_trc(ioc, ioc_fwstate); boot_type = BFI_FWBOOT_TYPE_NORMAL; boot_env = BFI_FWBOOT_ENV_OS; /* * check if firmware is valid */ fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? BFA_FALSE : bfa_ioc_fwver_valid(ioc, boot_env); if (!fwvalid) { if (bfa_ioc_boot(ioc, boot_type, 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 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) { /* * 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, boot_type, boot_env) == BFA_STATUS_OK) bfa_ioc_poll_fwinit(ioc); } static void bfa_ioc_timeout(void *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); } void bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len) { u32 *msgp = (u32 *) ioc_msg; u32 i; bfa_trc(ioc, msgp[0]); bfa_trc(ioc, len); WARN_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_s *ioc) { struct bfi_ioc_ctrl_req_s enable_req; bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, bfa_ioc_portid(ioc)); enable_req.clscode = cpu_to_be16(ioc->clscode); /* unsigned 32-bit time_t overflow in y2106 */ enable_req.tv_sec = be32_to_cpu(ktime_get_real_seconds()); bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req_s)); } static void bfa_ioc_send_disable(struct bfa_ioc_s *ioc) { struct bfi_ioc_ctrl_req_s disable_req; bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, bfa_ioc_portid(ioc)); disable_req.clscode = cpu_to_be16(ioc->clscode); /* unsigned 32-bit time_t overflow in y2106 */ disable_req.tv_sec = be32_to_cpu(ktime_get_real_seconds()); bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req_s)); } static void bfa_ioc_send_getattr(struct bfa_ioc_s *ioc) { 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)); bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa); bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req)); } static void bfa_ioc_hb_check(void *cbarg) { struct bfa_ioc_s *ioc = cbarg; 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); bfa_hb_timer_start(ioc); } static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc) { ioc->hb_count = readl(ioc->ioc_regs.heartbeat); bfa_hb_timer_start(ioc); } /* * Initiate a full firmware download. */ static bfa_status_t bfa_ioc_download_fw(struct bfa_ioc_s *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]; bfa_status_t status; if (boot_env == BFI_FWBOOT_ENV_OS && boot_type == BFI_FWBOOT_TYPE_FLASH) { fwimg_size = BFI_FLASH_IMAGE_SZ/sizeof(u32); status = bfa_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)); } bfa_trc(ioc, fwimg_size); pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 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_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 */ bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)]); 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); /* * 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); bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_DEVMODE_OFF, swab32(asicmode)); bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_TYPE_OFF, swab32(boot_type)); bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_ENV_OFF, swab32(boot_env)); return BFA_STATUS_OK; } /* * 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; 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); ioc->fcmode = (attr->port_mode == BFI_PORT_MODE_FC); attr->mfg_year = be16_to_cpu(attr->mfg_year); 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; 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_s *ioc) { 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 = 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_flush(struct bfa_ioc_s *ioc) { 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); } /* * 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; __be32 r32; int i, len; u32 *buf = tbuf; pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff); loff = PSS_SMEM_PGOFF(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] = swab32(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); 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 = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff); loff = PSS_SMEM_PGOFF(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(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); bfa_trc(ioc, pgnum); return BFA_STATUS_OK; } static void bfa_ioc_fail_notify(struct bfa_ioc_s *ioc) { struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; /* * Notify driver and common modules registered for notification. */ ioc->cbfn->hbfail_cbfn(ioc->bfa); bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED); bfa_ioc_debug_save_ftrc(ioc); BFA_LOG(KERN_CRIT, bfad, bfa_log_level, "Heart Beat of IOC has failed\n"); bfa_ioc_aen_post(ioc, BFA_IOC_AEN_HBFAIL); } 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, bfa_log_level, "Running firmware version is incompatible " "with the driver version\n"); bfa_ioc_aen_post(ioc, BFA_IOC_AEN_FWMISMATCH); } 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; /* * Initialize LMEM */ bfa_ioc_lmem_init(ioc); /* * release semaphore. */ readl(ioc->ioc_regs.ioc_init_sem_reg); writel(1, 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. */ bfa_status_t bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_env) { struct bfi_ioc_image_hdr_s *drv_fwhdr; bfa_status_t 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_s *) 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 { WARN_ON(boot_type == BFI_FWBOOT_TYPE_MEMTEST); bfa_iocpf_timeout(ioc); } return status; } /* * Enable/disable IOC failure auto recovery. */ void bfa_ioc_auto_recover(bfa_boolean_t auto_recover) { bfa_auto_recover = 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 = bfa_ioc_get_cur_ioc_fwstate(ioc); return ((r32 != BFI_IOC_UNINIT) && (r32 != BFI_IOC_INITING) && (r32 != BFI_IOC_MEMTEST)); } bfa_boolean_t bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg) { __be32 *msgp = mbmsg; u32 r32; int i; r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); if ((r32 & 1) == 0) return BFA_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] = cpu_to_be32(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 BFA_TRUE; } void bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m) { union bfi_ioc_i2h_msg_u *msg; struct bfa_iocpf_s *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: ioc->port_mode = ioc->port_mode_cfg = (enum bfa_mode_s)msg->fw_event.port_mode; ioc->ad_cap_bm = msg->fw_event.cap_bm; bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); 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: bfa_trc(ioc, msg->mh.msg_id); WARN_ON(1); } } /* * IOC attach time initialization and setup. * * @param[in] ioc memory for IOC * @param[in] bfa driver instance structure */ void bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa, struct bfa_ioc_cbfn_s *cbfn, 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->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_ioc_detach(struct bfa_ioc_s *ioc) { bfa_fsm_send_event(ioc, IOC_E_DETACH); INIT_LIST_HEAD(&ioc->notify_q); } /* * Setup IOC PCI properties. * * @param[in] pcidev PCI device information for this IOC */ void bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *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 BFA_PCI_DEVICE_ID_FC_8G1P: case BFA_PCI_DEVICE_ID_FC_8G2P: ioc->asic_gen = BFI_ASIC_GEN_CB; ioc->fcmode = BFA_TRUE; ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; ioc->ad_cap_bm = BFA_CM_HBA; break; case BFA_PCI_DEVICE_ID_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_CT_FC: ioc->asic_gen = BFI_ASIC_GEN_CT; ioc->fcmode = BFA_TRUE; ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; ioc->ad_cap_bm = BFA_CM_HBA; break; case BFA_PCI_DEVICE_ID_CT2: case BFA_PCI_DEVICE_ID_CT2_QUAD: 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 = BFA_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: WARN_ON(1); } /* * Set asic specific interfaces. See bfa_ioc_cb.c and bfa_ioc_ct.c */ if (ioc->asic_gen == BFI_ASIC_GEN_CB) bfa_ioc_set_cb_hwif(ioc); else if (ioc->asic_gen == BFI_ASIC_GEN_CT) bfa_ioc_set_ct_hwif(ioc); else { WARN_ON(ioc->asic_gen != BFI_ASIC_GEN_CT2); bfa_ioc_set_ct2_hwif(ioc); bfa_ioc_ct2_poweron(ioc); } bfa_ioc_map_port(ioc); 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) { /* * 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; } void bfa_ioc_enable(struct bfa_ioc_s *ioc) { bfa_ioc_stats(ioc, ioc_enables); ioc->dbg_fwsave_once = BFA_TRUE; bfa_fsm_send_event(ioc, IOC_E_ENABLE); } void bfa_ioc_disable(struct bfa_ioc_s *ioc) { bfa_ioc_stats(ioc, ioc_disables); bfa_fsm_send_event(ioc, IOC_E_DISABLE); } void bfa_ioc_suspend(struct bfa_ioc_s *ioc) { ioc->dbg_fwsave_once = BFA_TRUE; bfa_fsm_send_event(ioc, IOC_E_HWERROR); } /* * 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_DBG_FWTRC_LEN; } /* * Register mailbox message handler functions * * @param[in] ioc IOC instance * @param[in] mcfuncs message class handler functions */ 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; 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; 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 * * @param[in] ioc IOC instance * @param[i] cmd Mailbox command */ 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; /* * If a previous command is pending, queue new command */ if (!list_empty(&mod->cmd_q)) { list_add_tail(&cmd->qe, &mod->cmd_q); return; } /* * 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; } /* * 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; 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_ioc_error_isr(struct bfa_ioc_s *ioc) { bfa_ioc_stats(ioc, ioc_hbfails); ioc->stats.hb_count = ioc->hb_count; bfa_fsm_send_event(ioc, IOC_E_HWERROR); } /* * 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 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->iocpf, bfa_iocpf_sm_fwcheck) || bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_mismatch); } /* * 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; if (!bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled)) return BFA_FALSE; ioc_state = bfa_ioc_get_cur_ioc_fwstate(ioc); if (!bfa_ioc_state_disabled(ioc_state)) return BFA_FALSE; if (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_FC_8G1P) { ioc_state = bfa_ioc_get_cur_ioc_fwstate(ioc); if (!bfa_ioc_state_disabled(ioc_state)) return BFA_FALSE; } return BFA_TRUE; } /* * Reset IOC fwstate registers. */ void bfa_ioc_reset_fwstate(struct bfa_ioc_s *ioc) { bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_UNINIT); bfa_ioc_set_alt_ioc_fwstate(ioc, BFI_IOC_UNINIT); } #define BFA_MFG_NAME "QLogic" 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; 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_s)); 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 = ioc->attr->pwwn; ad_attr->mac = bfa_ioc_get_mac(ioc); 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); ad_attr->cna_capable = bfa_ioc_is_cna(ioc); ad_attr->trunk_capable = (ad_attr->nports > 1) && !bfa_ioc_is_cna(ioc) && !ad_attr->is_mezz; ad_attr->mfg_day = ioc_attr->mfg_day; ad_attr->mfg_month = ioc_attr->mfg_month; ad_attr->mfg_year = ioc_attr->mfg_year; memcpy(ad_attr->uuid, ioc_attr->uuid, BFA_ADAPTER_UUID_LEN); } enum bfa_ioc_type_e bfa_ioc_get_type(struct bfa_ioc_s *ioc) { if (ioc->clscode == BFI_PCIFN_CLASS_ETH) return BFA_IOC_TYPE_LL; WARN_ON(ioc->clscode != BFI_PCIFN_CLASS_FC); return (ioc->attr->port_mode == BFI_PORT_MODE_FC) ? BFA_IOC_TYPE_FC : BFA_IOC_TYPE_FCoE; } void bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *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); } void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver) { memset((void *)fw_ver, 0, BFA_VERSION_LEN); memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); } void bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev) { WARN_ON(!chip_rev); memset((void *)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'; } void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s *ioc, char *optrom_ver) { 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) { memset((void *)manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN); strlcpy(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 = bfa_ioc_get_nports(ioc); WARN_ON(!model); memset((void *)model, 0, BFA_ADAPTER_MODEL_NAME_LEN); ioc_attr = ioc->attr; if (bfa_asic_id_ct2(ioc->pcidev.device_id) && (!bfa_mfg_is_mezz(ioc_attr->card_type))) snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u-%u%s", BFA_MFG_NAME, ioc_attr->card_type, nports, "p"); else 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) { 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) { memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s)); 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_pcifn(ioc) == bfa_ioc_portid(ioc)); bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); } mac_t bfa_ioc_get_mac(struct bfa_ioc_s *ioc) { /* * 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; } mac_t bfa_ioc_get_mfg_mac(struct bfa_ioc_s *ioc) { mac_t m; 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)); return m; } /* * Send AEN notification */ void bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event) { struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; struct bfa_aen_entry_s *aen_entry; enum bfa_ioc_type_e ioc_type; bfad_get_aen_entry(bfad, aen_entry); if (!aen_entry) return; ioc_type = bfa_ioc_get_type(ioc); switch (ioc_type) { case BFA_IOC_TYPE_FC: aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn; break; case BFA_IOC_TYPE_FCoE: aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn; aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc); break; case BFA_IOC_TYPE_LL: aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc); break; default: WARN_ON(ioc_type != BFA_IOC_TYPE_FC); break; } /* Send the AEN notification */ aen_entry->aen_data.ioc.ioc_type = ioc_type; bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq, BFA_AEN_CAT_IOC, event); } /* * 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; 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; } /* * 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 loff = BFA_DBG_FWTRC_OFF(bfa_ioc_portid(ioc)); int tlen; bfa_status_t status; bfa_trc(ioc, *trclen); tlen = *trclen; if (tlen > BFA_DBG_FWTRC_LEN) tlen = BFA_DBG_FWTRC_LEN; status = bfa_ioc_smem_read(ioc, trcdata, loff, tlen); *trclen = tlen; return status; } 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; bfi_h2i_set(req->mh, BFI_MC_IOC, BFI_IOC_H2I_DBG_SYNC, bfa_ioc_portid(ioc)); req->clscode = cpu_to_be16(ioc->clscode); 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; } loff = *offset; dlen = *buflen; /* * First smem read, sync smem before proceeding * No need to sync before reading every chunk. */ if (loff == 0) bfa_ioc_fwsync(ioc); if ((loff + dlen) >= smem_len) dlen = smem_len - loff; 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. */ void bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc) { int tlen; if (ioc->dbg_fwsave_once) { ioc->dbg_fwsave_once = BFA_FALSE; if (ioc->dbg_fwsave_len) { tlen = ioc->dbg_fwsave_len; bfa_ioc_debug_fwtrc(ioc, ioc->dbg_fwsave, &tlen); } } } /* * Firmware failure detected. Start recovery actions. */ static void bfa_ioc_recover(struct bfa_ioc_s *ioc) { bfa_ioc_stats(ioc, ioc_hbfails); ioc->stats.hb_count = ioc->hb_count; bfa_fsm_send_event(ioc, IOC_E_HBFAIL); } /* * BFA IOC PF private functions */ 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); } static void bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc) { u32 fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); bfa_trc(ioc, fwstate); if (fwstate == BFI_IOC_DISABLED) { bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); return; } if (ioc->iocpf.poll_time >= (3 * BFA_IOC_TOV)) bfa_iocpf_timeout(ioc); else { ioc->iocpf.poll_time += BFA_IOC_POLL_TOV; bfa_iocpf_poll_timer_start(ioc); } } static void bfa_iocpf_poll_timeout(void *ioc_arg) { struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; bfa_ioc_poll_fwinit(ioc); } /* * bfa timer function */ 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) { WARN_ON(timercb == NULL); WARN_ON(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) { WARN_ON(list_empty(&timer->qe)); list_del(&timer->qe); } /* * ASIC block related */ static void bfa_ablk_config_swap(struct bfa_ablk_cfg_s *cfg) { struct bfa_ablk_cfg_inst_s *cfg_inst; int i, j; u16 be16; for (i = 0; i < BFA_ABLK_MAX; i++) { cfg_inst = &cfg->inst[i]; for (j = 0; j < BFA_ABLK_MAX_PFS; j++) { be16 = cfg_inst->pf_cfg[j].pers; cfg_inst->pf_cfg[j].pers = be16_to_cpu(be16); be16 = cfg_inst->pf_cfg[j].num_qpairs; cfg_inst->pf_cfg[j].num_qpairs = be16_to_cpu(be16); be16 = cfg_inst->pf_cfg[j].num_vectors; cfg_inst->pf_cfg[j].num_vectors = be16_to_cpu(be16); be16 = cfg_inst->pf_cfg[j].bw_min; cfg_inst->pf_cfg[j].bw_min = be16_to_cpu(be16); be16 = cfg_inst->pf_cfg[j].bw_max; cfg_inst->pf_cfg[j].bw_max = be16_to_cpu(be16); } } } static void bfa_ablk_isr(void *cbarg, struct bfi_mbmsg_s *msg) { struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg; struct bfi_ablk_i2h_rsp_s *rsp = (struct bfi_ablk_i2h_rsp_s *)msg; bfa_ablk_cbfn_t cbfn; WARN_ON(msg->mh.msg_class != BFI_MC_ABLK); bfa_trc(ablk->ioc, msg->mh.msg_id); switch (msg->mh.msg_id) { case BFI_ABLK_I2H_QUERY: if (rsp->status == BFA_STATUS_OK) { memcpy(ablk->cfg, ablk->dma_addr.kva, sizeof(struct bfa_ablk_cfg_s)); bfa_ablk_config_swap(ablk->cfg); ablk->cfg = NULL; } break; case BFI_ABLK_I2H_ADPT_CONFIG: case BFI_ABLK_I2H_PORT_CONFIG: /* update config port mode */ ablk->ioc->port_mode_cfg = rsp->port_mode; break; case BFI_ABLK_I2H_PF_DELETE: case BFI_ABLK_I2H_PF_UPDATE: case BFI_ABLK_I2H_OPTROM_ENABLE: case BFI_ABLK_I2H_OPTROM_DISABLE: /* No-op */ break; case BFI_ABLK_I2H_PF_CREATE: *(ablk->pcifn) = rsp->pcifn; ablk->pcifn = NULL; break; default: WARN_ON(1); } ablk->busy = BFA_FALSE; if (ablk->cbfn) { cbfn = ablk->cbfn; ablk->cbfn = NULL; cbfn(ablk->cbarg, rsp->status); } } static void bfa_ablk_notify(void *cbarg, enum bfa_ioc_event_e event) { struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg; bfa_trc(ablk->ioc, event); switch (event) { case BFA_IOC_E_ENABLED: WARN_ON(ablk->busy != BFA_FALSE); break; case BFA_IOC_E_DISABLED: case BFA_IOC_E_FAILED: /* Fail any pending requests */ ablk->pcifn = NULL; if (ablk->busy) { if (ablk->cbfn) ablk->cbfn(ablk->cbarg, BFA_STATUS_FAILED); ablk->cbfn = NULL; ablk->busy = BFA_FALSE; } break; default: WARN_ON(1); break; } } u32 bfa_ablk_meminfo(void) { return BFA_ROUNDUP(sizeof(struct bfa_ablk_cfg_s), BFA_DMA_ALIGN_SZ); } void bfa_ablk_memclaim(struct bfa_ablk_s *ablk, u8 *dma_kva, u64 dma_pa) { ablk->dma_addr.kva = dma_kva; ablk->dma_addr.pa = dma_pa; } void bfa_ablk_attach(struct bfa_ablk_s *ablk, struct bfa_ioc_s *ioc) { ablk->ioc = ioc; bfa_ioc_mbox_regisr(ablk->ioc, BFI_MC_ABLK, bfa_ablk_isr, ablk); bfa_q_qe_init(&ablk->ioc_notify); bfa_ioc_notify_init(&ablk->ioc_notify, bfa_ablk_notify, ablk); list_add_tail(&ablk->ioc_notify.qe, &ablk->ioc->notify_q); } bfa_status_t bfa_ablk_query(struct bfa_ablk_s *ablk, struct bfa_ablk_cfg_s *ablk_cfg, bfa_ablk_cbfn_t cbfn, void *cbarg) { struct bfi_ablk_h2i_query_s *m; WARN_ON(!ablk_cfg); if (!bfa_ioc_is_operational(ablk->ioc)) { bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); return BFA_STATUS_IOC_FAILURE; } if (ablk->busy) { bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); return BFA_STATUS_DEVBUSY; } ablk->cfg = ablk_cfg; ablk->cbfn = cbfn; ablk->cbarg = cbarg; ablk->busy = BFA_TRUE; m = (struct bfi_ablk_h2i_query_s *)ablk->mb.msg; bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_QUERY, bfa_ioc_portid(ablk->ioc)); bfa_dma_be_addr_set(m->addr, ablk->dma_addr.pa); bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); return BFA_STATUS_OK; } bfa_status_t bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn, u8 port, enum bfi_pcifn_class personality, u16 bw_min, u16 bw_max, bfa_ablk_cbfn_t cbfn, void *cbarg) { struct bfi_ablk_h2i_pf_req_s *m; if (!bfa_ioc_is_operational(ablk->ioc)) { bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); return BFA_STATUS_IOC_FAILURE; } if (ablk->busy) { bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); return BFA_STATUS_DEVBUSY; } ablk->pcifn = pcifn; ablk->cbfn = cbfn; ablk->cbarg = cbarg; ablk->busy = BFA_TRUE; m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_CREATE, bfa_ioc_portid(ablk->ioc)); m->pers = cpu_to_be16((u16)personality); m->bw_min = cpu_to_be16(bw_min); m->bw_max = cpu_to_be16(bw_max); m->port = port; bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); return BFA_STATUS_OK; } bfa_status_t bfa_ablk_pf_delete(struct bfa_ablk_s *ablk, int pcifn, bfa_ablk_cbfn_t cbfn, void *cbarg) { struct bfi_ablk_h2i_pf_req_s *m; if (!bfa_ioc_is_operational(ablk->ioc)) { bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); return BFA_STATUS_IOC_FAILURE; } if (ablk->busy) { bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); return BFA_STATUS_DEVBUSY; } ablk->cbfn = cbfn; ablk->cbarg = cbarg; ablk->busy = BFA_TRUE; m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_DELETE, bfa_ioc_portid(ablk->ioc)); m->pcifn = (u8)pcifn; bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); return BFA_STATUS_OK; } bfa_status_t bfa_ablk_adapter_config(struct bfa_ablk_s *ablk, enum bfa_mode_s mode, int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg) { struct bfi_ablk_h2i_cfg_req_s *m; if (!bfa_ioc_is_operational(ablk->ioc)) { bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); return BFA_STATUS_IOC_FAILURE; } if (ablk->busy) { bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); return BFA_STATUS_DEVBUSY; } ablk->cbfn = cbfn; ablk->cbarg = cbarg; ablk->busy = BFA_TRUE; m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg; bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_ADPT_CONFIG, bfa_ioc_portid(ablk->ioc)); m->mode = (u8)mode; m->max_pf = (u8)max_pf; m->max_vf = (u8)max_vf; bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); return BFA_STATUS_OK; } bfa_status_t bfa_ablk_port_config(struct bfa_ablk_s *ablk, int port, enum bfa_mode_s mode, int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg) { struct bfi_ablk_h2i_cfg_req_s *m; if (!bfa_ioc_is_operational(ablk->ioc)) { bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); return BFA_STATUS_IOC_FAILURE; } if (ablk->busy) { bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); return BFA_STATUS_DEVBUSY; } ablk->cbfn = cbfn; ablk->cbarg = cbarg; ablk->busy = BFA_TRUE; m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg; bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PORT_CONFIG, bfa_ioc_portid(ablk->ioc)); m->port = (u8)port; m->mode = (u8)mode; m->max_pf = (u8)max_pf; m->max_vf = (u8)max_vf; bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); return BFA_STATUS_OK; } bfa_status_t bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, u16 bw_min, u16 bw_max, bfa_ablk_cbfn_t cbfn, void *cbarg) { struct bfi_ablk_h2i_pf_req_s *m; if (!bfa_ioc_is_operational(ablk->ioc)) { bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); return BFA_STATUS_IOC_FAILURE; } if (ablk->busy) { bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); return BFA_STATUS_DEVBUSY; } ablk->cbfn = cbfn; ablk->cbarg = cbarg; ablk->busy = BFA_TRUE; m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_UPDATE, bfa_ioc_portid(ablk->ioc)); m->pcifn = (u8)pcifn; m->bw_min = cpu_to_be16(bw_min); m->bw_max = cpu_to_be16(bw_max); bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); return BFA_STATUS_OK; } bfa_status_t bfa_ablk_optrom_en(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg) { struct bfi_ablk_h2i_optrom_s *m; if (!bfa_ioc_is_operational(ablk->ioc)) { bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); return BFA_STATUS_IOC_FAILURE; } if (ablk->busy) { bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); return BFA_STATUS_DEVBUSY; } ablk->cbfn = cbfn; ablk->cbarg = cbarg; ablk->busy = BFA_TRUE; m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg; bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_ENABLE, bfa_ioc_portid(ablk->ioc)); bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); return BFA_STATUS_OK; } bfa_status_t bfa_ablk_optrom_dis(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg) { struct bfi_ablk_h2i_optrom_s *m; if (!bfa_ioc_is_operational(ablk->ioc)) { bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); return BFA_STATUS_IOC_FAILURE; } if (ablk->busy) { bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); return BFA_STATUS_DEVBUSY; } ablk->cbfn = cbfn; ablk->cbarg = cbarg; ablk->busy = BFA_TRUE; m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg; bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_DISABLE, bfa_ioc_portid(ablk->ioc)); bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); return BFA_STATUS_OK; } /* * SFP module specific */ /* forward declarations */ static void bfa_sfp_getdata_send(struct bfa_sfp_s *sfp); static void bfa_sfp_media_get(struct bfa_sfp_s *sfp); static bfa_status_t bfa_sfp_speed_valid(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed); static void bfa_cb_sfp_show(struct bfa_sfp_s *sfp) { bfa_trc(sfp, sfp->lock); if (sfp->cbfn) sfp->cbfn(sfp->cbarg, sfp->status); sfp->lock = 0; sfp->cbfn = NULL; } static void bfa_cb_sfp_state_query(struct bfa_sfp_s *sfp) { bfa_trc(sfp, sfp->portspeed); if (sfp->media) { bfa_sfp_media_get(sfp); if (sfp->state_query_cbfn) sfp->state_query_cbfn(sfp->state_query_cbarg, sfp->status); sfp->media = NULL; } if (sfp->portspeed) { sfp->status = bfa_sfp_speed_valid(sfp, sfp->portspeed); if (sfp->state_query_cbfn) sfp->state_query_cbfn(sfp->state_query_cbarg, sfp->status); sfp->portspeed = BFA_PORT_SPEED_UNKNOWN; } sfp->state_query_lock = 0; sfp->state_query_cbfn = NULL; } /* * IOC event handler. */ static void bfa_sfp_notify(void *sfp_arg, enum bfa_ioc_event_e event) { struct bfa_sfp_s *sfp = sfp_arg; bfa_trc(sfp, event); bfa_trc(sfp, sfp->lock); bfa_trc(sfp, sfp->state_query_lock); switch (event) { case BFA_IOC_E_DISABLED: case BFA_IOC_E_FAILED: if (sfp->lock) { sfp->status = BFA_STATUS_IOC_FAILURE; bfa_cb_sfp_show(sfp); } if (sfp->state_query_lock) { sfp->status = BFA_STATUS_IOC_FAILURE; bfa_cb_sfp_state_query(sfp); } break; default: break; } } /* * SFP's State Change Notification post to AEN */ static void bfa_sfp_scn_aen_post(struct bfa_sfp_s *sfp, struct bfi_sfp_scn_s *rsp) { struct bfad_s *bfad = (struct bfad_s *)sfp->ioc->bfa->bfad; struct bfa_aen_entry_s *aen_entry; enum bfa_port_aen_event aen_evt = 0; bfa_trc(sfp, (((u64)rsp->pomlvl) << 16) | (((u64)rsp->sfpid) << 8) | ((u64)rsp->event)); bfad_get_aen_entry(bfad, aen_entry); if (!aen_entry) return; aen_entry->aen_data.port.ioc_type = bfa_ioc_get_type(sfp->ioc); aen_entry->aen_data.port.pwwn = sfp->ioc->attr->pwwn; aen_entry->aen_data.port.mac = bfa_ioc_get_mac(sfp->ioc); switch (rsp->event) { case BFA_SFP_SCN_INSERTED: aen_evt = BFA_PORT_AEN_SFP_INSERT; break; case BFA_SFP_SCN_REMOVED: aen_evt = BFA_PORT_AEN_SFP_REMOVE; break; case BFA_SFP_SCN_FAILED: aen_evt = BFA_PORT_AEN_SFP_ACCESS_ERROR; break; case BFA_SFP_SCN_UNSUPPORT: aen_evt = BFA_PORT_AEN_SFP_UNSUPPORT; break; case BFA_SFP_SCN_POM: aen_evt = BFA_PORT_AEN_SFP_POM; aen_entry->aen_data.port.level = rsp->pomlvl; break; default: bfa_trc(sfp, rsp->event); WARN_ON(1); } /* Send the AEN notification */ bfad_im_post_vendor_event(aen_entry, bfad, ++sfp->ioc->ioc_aen_seq, BFA_AEN_CAT_PORT, aen_evt); } /* * SFP get data send */ static void bfa_sfp_getdata_send(struct bfa_sfp_s *sfp) { struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; bfa_trc(sfp, req->memtype); /* build host command */ bfi_h2i_set(req->mh, BFI_MC_SFP, BFI_SFP_H2I_SHOW, bfa_ioc_portid(sfp->ioc)); /* send mbox cmd */ bfa_ioc_mbox_queue(sfp->ioc, &sfp->mbcmd); } /* * SFP is valid, read sfp data */ static void bfa_sfp_getdata(struct bfa_sfp_s *sfp, enum bfi_sfp_mem_e memtype) { struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; WARN_ON(sfp->lock != 0); bfa_trc(sfp, sfp->state); sfp->lock = 1; sfp->memtype = memtype; req->memtype = memtype; /* Setup SG list */ bfa_alen_set(&req->alen, sizeof(struct sfp_mem_s), sfp->dbuf_pa); bfa_sfp_getdata_send(sfp); } /* * SFP scn handler */ static void bfa_sfp_scn(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg) { struct bfi_sfp_scn_s *rsp = (struct bfi_sfp_scn_s *) msg; switch (rsp->event) { case BFA_SFP_SCN_INSERTED: sfp->state = BFA_SFP_STATE_INSERTED; sfp->data_valid = 0; bfa_sfp_scn_aen_post(sfp, rsp); break; case BFA_SFP_SCN_REMOVED: sfp->state = BFA_SFP_STATE_REMOVED; sfp->data_valid = 0; bfa_sfp_scn_aen_post(sfp, rsp); break; case BFA_SFP_SCN_FAILED: sfp->state = BFA_SFP_STATE_FAILED; sfp->data_valid = 0; bfa_sfp_scn_aen_post(sfp, rsp); break; case BFA_SFP_SCN_UNSUPPORT: sfp->state = BFA_SFP_STATE_UNSUPPORT; bfa_sfp_scn_aen_post(sfp, rsp); if (!sfp->lock) bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); break; case BFA_SFP_SCN_POM: bfa_sfp_scn_aen_post(sfp, rsp); break; case BFA_SFP_SCN_VALID: sfp->state = BFA_SFP_STATE_VALID; if (!sfp->lock) bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); break; default: bfa_trc(sfp, rsp->event); WARN_ON(1); } } /* * SFP show complete */ static void bfa_sfp_show_comp(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg) { struct bfi_sfp_rsp_s *rsp = (struct bfi_sfp_rsp_s *) msg; if (!sfp->lock) { /* * receiving response after ioc failure */ bfa_trc(sfp, sfp->lock); return; } bfa_trc(sfp, rsp->status); if (rsp->status == BFA_STATUS_OK) { sfp->data_valid = 1; if (sfp->state == BFA_SFP_STATE_VALID) sfp->status = BFA_STATUS_OK; else if (sfp->state == BFA_SFP_STATE_UNSUPPORT) sfp->status = BFA_STATUS_SFP_UNSUPP; else bfa_trc(sfp, sfp->state); } else { sfp->data_valid = 0; sfp->status = rsp->status; /* sfpshow shouldn't change sfp state */ } bfa_trc(sfp, sfp->memtype); if (sfp->memtype == BFI_SFP_MEM_DIAGEXT) { bfa_trc(sfp, sfp->data_valid); if (sfp->data_valid) { u32 size = sizeof(struct sfp_mem_s); u8 *des = (u8 *)(sfp->sfpmem); memcpy(des, sfp->dbuf_kva, size); } /* * Queue completion callback. */ bfa_cb_sfp_show(sfp); } else sfp->lock = 0; bfa_trc(sfp, sfp->state_query_lock); if (sfp->state_query_lock) { sfp->state = rsp->state; /* Complete callback */ bfa_cb_sfp_state_query(sfp); } } /* * SFP query fw sfp state */ static void bfa_sfp_state_query(struct bfa_sfp_s *sfp) { struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; /* Should not be doing query if not in _INIT state */ WARN_ON(sfp->state != BFA_SFP_STATE_INIT); WARN_ON(sfp->state_query_lock != 0); bfa_trc(sfp, sfp->state); sfp->state_query_lock = 1; req->memtype = 0; if (!sfp->lock) bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); } static void bfa_sfp_media_get(struct bfa_sfp_s *sfp) { enum bfa_defs_sfp_media_e *media = sfp->media; *media = BFA_SFP_MEDIA_UNKNOWN; if (sfp->state == BFA_SFP_STATE_UNSUPPORT) *media = BFA_SFP_MEDIA_UNSUPPORT; else if (sfp->state == BFA_SFP_STATE_VALID) { union sfp_xcvr_e10g_code_u e10g; struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva; u16 xmtr_tech = (sfpmem->srlid_base.xcvr[4] & 0x3) << 7 | (sfpmem->srlid_base.xcvr[5] >> 1); e10g.b = sfpmem->srlid_base.xcvr[0]; bfa_trc(sfp, e10g.b); bfa_trc(sfp, xmtr_tech); /* check fc transmitter tech */ if ((xmtr_tech & SFP_XMTR_TECH_CU) || (xmtr_tech & SFP_XMTR_TECH_CP) || (xmtr_tech & SFP_XMTR_TECH_CA)) *media = BFA_SFP_MEDIA_CU; else if ((xmtr_tech & SFP_XMTR_TECH_EL_INTRA) || (xmtr_tech & SFP_XMTR_TECH_EL_INTER)) *media = BFA_SFP_MEDIA_EL; else if ((xmtr_tech & SFP_XMTR_TECH_LL) || (xmtr_tech & SFP_XMTR_TECH_LC)) *media = BFA_SFP_MEDIA_LW; else if ((xmtr_tech & SFP_XMTR_TECH_SL) || (xmtr_tech & SFP_XMTR_TECH_SN) || (xmtr_tech & SFP_XMTR_TECH_SA)) *media = BFA_SFP_MEDIA_SW; /* Check 10G Ethernet Compilance code */ else if (e10g.r.e10g_sr) *media = BFA_SFP_MEDIA_SW; else if (e10g.r.e10g_lrm && e10g.r.e10g_lr) *media = BFA_SFP_MEDIA_LW; else if (e10g.r.e10g_unall) *media = BFA_SFP_MEDIA_UNKNOWN; else bfa_trc(sfp, 0); } else bfa_trc(sfp, sfp->state); } static bfa_status_t bfa_sfp_speed_valid(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed) { struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva; struct sfp_xcvr_s *xcvr = (struct sfp_xcvr_s *) sfpmem->srlid_base.xcvr; union sfp_xcvr_fc3_code_u fc3 = xcvr->fc3; union sfp_xcvr_e10g_code_u e10g = xcvr->e10g; if (portspeed == BFA_PORT_SPEED_10GBPS) { if (e10g.r.e10g_sr || e10g.r.e10g_lr) return BFA_STATUS_OK; else { bfa_trc(sfp, e10g.b); return BFA_STATUS_UNSUPP_SPEED; } } if (((portspeed & BFA_PORT_SPEED_16GBPS) && fc3.r.mb1600) || ((portspeed & BFA_PORT_SPEED_8GBPS) && fc3.r.mb800) || ((portspeed & BFA_PORT_SPEED_4GBPS) && fc3.r.mb400) || ((portspeed & BFA_PORT_SPEED_2GBPS) && fc3.r.mb200) || ((portspeed & BFA_PORT_SPEED_1GBPS) && fc3.r.mb100)) return BFA_STATUS_OK; else { bfa_trc(sfp, portspeed); bfa_trc(sfp, fc3.b); bfa_trc(sfp, e10g.b); return BFA_STATUS_UNSUPP_SPEED; } } /* * SFP hmbox handler */ void bfa_sfp_intr(void *sfparg, struct bfi_mbmsg_s *msg) { struct bfa_sfp_s *sfp = sfparg; switch (msg->mh.msg_id) { case BFI_SFP_I2H_SHOW: bfa_sfp_show_comp(sfp, msg); break; case BFI_SFP_I2H_SCN: bfa_sfp_scn(sfp, msg); break; default: bfa_trc(sfp, msg->mh.msg_id); WARN_ON(1); } } /* * Return DMA memory needed by sfp module. */ u32 bfa_sfp_meminfo(void) { return BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); } /* * Attach virtual and physical memory for SFP. */ void bfa_sfp_attach(struct bfa_sfp_s *sfp, struct bfa_ioc_s *ioc, void *dev, struct bfa_trc_mod_s *trcmod) { sfp->dev = dev; sfp->ioc = ioc; sfp->trcmod = trcmod; sfp->cbfn = NULL; sfp->cbarg = NULL; sfp->sfpmem = NULL; sfp->lock = 0; sfp->data_valid = 0; sfp->state = BFA_SFP_STATE_INIT; sfp->state_query_lock = 0; sfp->state_query_cbfn = NULL; sfp->state_query_cbarg = NULL; sfp->media = NULL; sfp->portspeed = BFA_PORT_SPEED_UNKNOWN; sfp->is_elb = BFA_FALSE; bfa_ioc_mbox_regisr(sfp->ioc, BFI_MC_SFP, bfa_sfp_intr, sfp); bfa_q_qe_init(&sfp->ioc_notify); bfa_ioc_notify_init(&sfp->ioc_notify, bfa_sfp_notify, sfp); list_add_tail(&sfp->ioc_notify.qe, &sfp->ioc->notify_q); } /* * Claim Memory for SFP */ void bfa_sfp_memclaim(struct bfa_sfp_s *sfp, u8 *dm_kva, u64 dm_pa) { sfp->dbuf_kva = dm_kva; sfp->dbuf_pa = dm_pa; memset(sfp->dbuf_kva, 0, sizeof(struct sfp_mem_s)); dm_kva += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); dm_pa += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); } /* * Show SFP eeprom content * * @param[in] sfp - bfa sfp module * * @param[out] sfpmem - sfp eeprom data * */ bfa_status_t bfa_sfp_show(struct bfa_sfp_s *sfp, struct sfp_mem_s *sfpmem, bfa_cb_sfp_t cbfn, void *cbarg) { if (!bfa_ioc_is_operational(sfp->ioc)) { bfa_trc(sfp, 0); return BFA_STATUS_IOC_NON_OP; } if (sfp->lock) { bfa_trc(sfp, 0); return BFA_STATUS_DEVBUSY; } sfp->cbfn = cbfn; sfp->cbarg = cbarg; sfp->sfpmem = sfpmem; bfa_sfp_getdata(sfp, BFI_SFP_MEM_DIAGEXT); return BFA_STATUS_OK; } /* * Return SFP Media type * * @param[in] sfp - bfa sfp module * * @param[out] media - port speed from user * */ bfa_status_t bfa_sfp_media(struct bfa_sfp_s *sfp, enum bfa_defs_sfp_media_e *media, bfa_cb_sfp_t cbfn, void *cbarg) { if (!bfa_ioc_is_operational(sfp->ioc)) { bfa_trc(sfp, 0); return BFA_STATUS_IOC_NON_OP; } sfp->media = media; if (sfp->state == BFA_SFP_STATE_INIT) { if (sfp->state_query_lock) { bfa_trc(sfp, 0); return BFA_STATUS_DEVBUSY; } else { sfp->state_query_cbfn = cbfn; sfp->state_query_cbarg = cbarg; bfa_sfp_state_query(sfp); return BFA_STATUS_SFP_NOT_READY; } } bfa_sfp_media_get(sfp); return BFA_STATUS_OK; } /* * Check if user set port speed is allowed by the SFP * * @param[in] sfp - bfa sfp module * @param[in] portspeed - port speed from user * */ bfa_status_t bfa_sfp_speed(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed, bfa_cb_sfp_t cbfn, void *cbarg) { WARN_ON(portspeed == BFA_PORT_SPEED_UNKNOWN); if (!bfa_ioc_is_operational(sfp->ioc)) return BFA_STATUS_IOC_NON_OP; /* For Mezz card, all speed is allowed */ if (bfa_mfg_is_mezz(sfp->ioc->attr->card_type)) return BFA_STATUS_OK; /* Check SFP state */ sfp->portspeed = portspeed; if (sfp->state == BFA_SFP_STATE_INIT) { if (sfp->state_query_lock) { bfa_trc(sfp, 0); return BFA_STATUS_DEVBUSY; } else { sfp->state_query_cbfn = cbfn; sfp->state_query_cbarg = cbarg; bfa_sfp_state_query(sfp); return BFA_STATUS_SFP_NOT_READY; } } if (sfp->state == BFA_SFP_STATE_REMOVED || sfp->state == BFA_SFP_STATE_FAILED) { bfa_trc(sfp, sfp->state); return BFA_STATUS_NO_SFP_DEV; } if (sfp->state == BFA_SFP_STATE_INSERTED) { bfa_trc(sfp, sfp->state); return BFA_STATUS_DEVBUSY; /* sfp is reading data */ } /* For eloopback, all speed is allowed */ if (sfp->is_elb) return BFA_STATUS_OK; return bfa_sfp_speed_valid(sfp, portspeed); } /* * 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 \ BFA_ROUNDUP(0x010000 + sizeof(struct bfa_mfg_block_s), BFA_FLASH_SEG_SZ) static void bfa_flash_aen_audit_post(struct bfa_ioc_s *ioc, enum bfa_audit_aen_event event, int inst, int type) { struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; struct bfa_aen_entry_s *aen_entry; bfad_get_aen_entry(bfad, aen_entry); if (!aen_entry) return; aen_entry->aen_data.audit.pwwn = ioc->attr->pwwn; aen_entry->aen_data.audit.partition_inst = inst; aen_entry->aen_data.audit.partition_type = type; /* Send the AEN notification */ bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq, BFA_AEN_CAT_AUDIT, event); } static void bfa_flash_cb(struct bfa_flash_s *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_e event) { struct bfa_flash_s *flash = cbarg; bfa_trc(flash, event); 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 attribute query request. * * @param[in] cbarg - callback argument */ static void bfa_flash_query_send(void *cbarg) { struct bfa_flash_s *flash = cbarg; struct bfi_flash_query_req_s *msg = (struct bfi_flash_query_req_s *) flash->mb.msg; 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_s), flash->dbuf_pa); bfa_ioc_mbox_queue(flash->ioc, &flash->mb); } /* * Send flash write request. * * @param[in] cbarg - callback argument */ static void bfa_flash_write_send(struct bfa_flash_s *flash) { struct bfi_flash_write_req_s *msg = (struct bfi_flash_write_req_s *) 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_ioc_mbox_queue(flash->ioc, &flash->mb); flash->residue -= len; flash->offset += len; } /* * Send flash read request. * * @param[in] cbarg - callback argument */ static void bfa_flash_read_send(void *cbarg) { struct bfa_flash_s *flash = cbarg; struct bfi_flash_read_req_s *msg = (struct bfi_flash_read_req_s *) 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_ioc_mbox_queue(flash->ioc, &flash->mb); } /* * Send flash erase request. * * @param[in] cbarg - callback argument */ static void bfa_flash_erase_send(void *cbarg) { struct bfa_flash_s *flash = cbarg; struct bfi_flash_erase_req_s *msg = (struct bfi_flash_erase_req_s *) flash->mb.msg; msg->type = be32_to_cpu(flash->type); msg->instance = flash->instance; bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_ERASE_REQ, bfa_ioc_portid(flash->ioc)); bfa_ioc_mbox_queue(flash->ioc, &flash->mb); } /* * Process flash response messages upon receiving interrupts. * * @param[in] flasharg - flash structure * @param[in] msg - message structure */ static void bfa_flash_intr(void *flasharg, struct bfi_mbmsg_s *msg) { struct bfa_flash_s *flash = flasharg; u32 status; union { struct bfi_flash_query_rsp_s *query; struct bfi_flash_erase_rsp_s *erase; struct bfi_flash_write_rsp_s *write; struct bfi_flash_read_rsp_s *read; struct bfi_flash_event_s *event; struct bfi_mbmsg_s *msg; } m; m.msg = msg; bfa_trc(flash, msg->mh.msg_id); if (!flash->op_busy && msg->mh.msg_id != BFI_FLASH_I2H_EVENT) { /* receiving response after ioc failure */ bfa_trc(flash, 0x9999); return; } switch (msg->mh.msg_id) { case BFI_FLASH_I2H_QUERY_RSP: status = be32_to_cpu(m.query->status); bfa_trc(flash, status); if (status == BFA_STATUS_OK) { u32 i; struct bfa_flash_attr_s *attr, *f; attr = (struct bfa_flash_attr_s *) flash->ubuf; f = (struct bfa_flash_attr_s *) flash->dbuf_kva; attr->status = be32_to_cpu(f->status); attr->npart = be32_to_cpu(f->npart); bfa_trc(flash, attr->status); bfa_trc(flash, attr->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_ERASE_RSP: status = be32_to_cpu(m.erase->status); bfa_trc(flash, status); flash->status = status; bfa_flash_cb(flash); break; case BFI_FLASH_I2H_WRITE_RSP: status = be32_to_cpu(m.write->status); bfa_trc(flash, status); if (status != BFA_STATUS_OK || flash->residue == 0) { flash->status = status; bfa_flash_cb(flash); } else { bfa_trc(flash, flash->offset); bfa_flash_write_send(flash); } break; case BFI_FLASH_I2H_READ_RSP: status = be32_to_cpu(m.read->status); bfa_trc(flash, status); if (status != BFA_STATUS_OK) { flash->status = status; bfa_flash_cb(flash); } else { u32 len = be32_to_cpu(m.read->length); bfa_trc(flash, flash->offset); bfa_trc(flash, len); 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: break; case BFI_FLASH_I2H_EVENT: status = be32_to_cpu(m.event->status); bfa_trc(flash, status); if (status == BFA_STATUS_BAD_FWCFG) bfa_ioc_aen_post(flash->ioc, BFA_IOC_AEN_FWCFG_ERROR); else if (status == BFA_STATUS_INVALID_VENDOR) { u32 param; param = be32_to_cpu(m.event->param); bfa_trc(flash, param); bfa_ioc_aen_post(flash->ioc, BFA_IOC_AEN_INVALID_VENDOR); } break; default: WARN_ON(1); } } /* * Flash memory info API. * * @param[in] mincfg - minimal cfg variable */ u32 bfa_flash_meminfo(bfa_boolean_t mincfg) { /* min driver doesn't need flash */ if (mincfg) return 0; return BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } /* * Flash attach API. * * @param[in] flash - flash structure * @param[in] ioc - ioc structure * @param[in] dev - device structure * @param[in] trcmod - trace module * @param[in] logmod - log module */ void bfa_flash_attach(struct bfa_flash_s *flash, struct bfa_ioc_s *ioc, void *dev, struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) { flash->ioc = ioc; flash->trcmod = trcmod; flash->cbfn = NULL; flash->cbarg = NULL; flash->op_busy = 0; bfa_ioc_mbox_regisr(flash->ioc, BFI_MC_FLASH, bfa_flash_intr, flash); bfa_q_qe_init(&flash->ioc_notify); bfa_ioc_notify_init(&flash->ioc_notify, bfa_flash_notify, flash); list_add_tail(&flash->ioc_notify.qe, &flash->ioc->notify_q); /* min driver doesn't need flash */ if (mincfg) { flash->dbuf_kva = NULL; flash->dbuf_pa = 0; } } /* * Claim memory for flash * * @param[in] flash - flash structure * @param[in] dm_kva - pointer to virtual memory address * @param[in] dm_pa - physical memory address * @param[in] mincfg - minimal cfg variable */ void bfa_flash_memclaim(struct bfa_flash_s *flash, u8 *dm_kva, u64 dm_pa, bfa_boolean_t mincfg) { if (mincfg) return; flash->dbuf_kva = dm_kva; flash->dbuf_pa = dm_pa; memset(flash->dbuf_kva, 0, BFA_FLASH_DMA_BUF_SZ); dm_kva += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); dm_pa += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } /* * Get flash attribute. * * @param[in] flash - flash structure * @param[in] attr - flash attribute structure * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_flash_get_attr(struct bfa_flash_s *flash, struct bfa_flash_attr_s *attr, bfa_cb_flash_t cbfn, void *cbarg) { bfa_trc(flash, BFI_FLASH_H2I_QUERY_REQ); if (!bfa_ioc_is_operational(flash->ioc)) return BFA_STATUS_IOC_NON_OP; if (flash->op_busy) { bfa_trc(flash, flash->op_busy); return BFA_STATUS_DEVBUSY; } flash->op_busy = 1; flash->cbfn = cbfn; flash->cbarg = cbarg; flash->ubuf = (u8 *) attr; bfa_flash_query_send(flash); return BFA_STATUS_OK; } /* * Erase flash partition. * * @param[in] flash - flash structure * @param[in] type - flash partition type * @param[in] instance - flash partition instance * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_flash_erase_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, u8 instance, bfa_cb_flash_t cbfn, void *cbarg) { bfa_trc(flash, BFI_FLASH_H2I_ERASE_REQ); bfa_trc(flash, type); bfa_trc(flash, instance); if (!bfa_ioc_is_operational(flash->ioc)) return BFA_STATUS_IOC_NON_OP; if (flash->op_busy) { bfa_trc(flash, flash->op_busy); return BFA_STATUS_DEVBUSY; } flash->op_busy = 1; flash->cbfn = cbfn; flash->cbarg = cbarg; flash->type = type; flash->instance = instance; bfa_flash_erase_send(flash); bfa_flash_aen_audit_post(flash->ioc, BFA_AUDIT_AEN_FLASH_ERASE, instance, type); return BFA_STATUS_OK; } /* * Update flash partition. * * @param[in] flash - flash structure * @param[in] type - flash partition type * @param[in] instance - flash partition instance * @param[in] buf - update data buffer * @param[in] len - data buffer length * @param[in] offset - offset relative to the partition starting address * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_flash_update_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, u8 instance, void *buf, u32 len, u32 offset, bfa_cb_flash_t cbfn, void *cbarg) { bfa_trc(flash, BFI_FLASH_H2I_WRITE_REQ); bfa_trc(flash, type); bfa_trc(flash, instance); bfa_trc(flash, len); bfa_trc(flash, offset); if (!bfa_ioc_is_operational(flash->ioc)) return BFA_STATUS_IOC_NON_OP; /* * 'len' must be in word (4-byte) boundary * 'offset' must be in sector (16kb) boundary */ if (!len || (len & 0x03) || (offset & 0x00003FFF)) return BFA_STATUS_FLASH_BAD_LEN; if (type == BFA_FLASH_PART_MFG) return BFA_STATUS_EINVAL; if (flash->op_busy) { bfa_trc(flash, 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; } /* * Read flash partition. * * @param[in] flash - flash structure * @param[in] type - flash partition type * @param[in] instance - flash partition instance * @param[in] buf - read data buffer * @param[in] len - data buffer length * @param[in] offset - offset relative to the partition starting address * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_flash_read_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, u8 instance, void *buf, u32 len, u32 offset, bfa_cb_flash_t cbfn, void *cbarg) { bfa_trc(flash, BFI_FLASH_H2I_READ_REQ); bfa_trc(flash, type); bfa_trc(flash, instance); bfa_trc(flash, len); bfa_trc(flash, offset); if (!bfa_ioc_is_operational(flash->ioc)) return BFA_STATUS_IOC_NON_OP; /* * 'len' must be in word (4-byte) boundary * 'offset' must be in sector (16kb) boundary */ if (!len || (len & 0x03) || (offset & 0x00003FFF)) return BFA_STATUS_FLASH_BAD_LEN; if (flash->op_busy) { bfa_trc(flash, 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; } /* * DIAG module specific */ #define BFA_DIAG_MEMTEST_TOV 50000 /* memtest timeout in msec */ #define CT2_BFA_DIAG_MEMTEST_TOV (9*30*1000) /* 4.5 min */ /* IOC event handler */ static void bfa_diag_notify(void *diag_arg, enum bfa_ioc_event_e event) { struct bfa_diag_s *diag = diag_arg; bfa_trc(diag, event); bfa_trc(diag, diag->block); bfa_trc(diag, diag->fwping.lock); bfa_trc(diag, diag->tsensor.lock); switch (event) { case BFA_IOC_E_DISABLED: case BFA_IOC_E_FAILED: if (diag->fwping.lock) { diag->fwping.status = BFA_STATUS_IOC_FAILURE; diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); diag->fwping.lock = 0; } if (diag->tsensor.lock) { diag->tsensor.status = BFA_STATUS_IOC_FAILURE; diag->tsensor.cbfn(diag->tsensor.cbarg, diag->tsensor.status); diag->tsensor.lock = 0; } if (diag->block) { if (diag->timer_active) { bfa_timer_stop(&diag->timer); diag->timer_active = 0; } diag->status = BFA_STATUS_IOC_FAILURE; diag->cbfn(diag->cbarg, diag->status); diag->block = 0; } break; default: break; } } static void bfa_diag_memtest_done(void *cbarg) { struct bfa_diag_s *diag = cbarg; struct bfa_ioc_s *ioc = diag->ioc; struct bfa_diag_memtest_result *res = diag->result; u32 loff = BFI_BOOT_MEMTEST_RES_ADDR; u32 pgnum, i; pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); writel(pgnum, ioc->ioc_regs.host_page_num_fn); for (i = 0; i < (sizeof(struct bfa_diag_memtest_result) / sizeof(u32)); i++) { /* read test result from smem */ *((u32 *) res + i) = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); loff += sizeof(u32); } /* Reset IOC fwstates to BFI_IOC_UNINIT */ bfa_ioc_reset_fwstate(ioc); res->status = swab32(res->status); bfa_trc(diag, res->status); if (res->status == BFI_BOOT_MEMTEST_RES_SIG) diag->status = BFA_STATUS_OK; else { diag->status = BFA_STATUS_MEMTEST_FAILED; res->addr = swab32(res->addr); res->exp = swab32(res->exp); res->act = swab32(res->act); res->err_status = swab32(res->err_status); res->err_status1 = swab32(res->err_status1); res->err_addr = swab32(res->err_addr); bfa_trc(diag, res->addr); bfa_trc(diag, res->exp); bfa_trc(diag, res->act); bfa_trc(diag, res->err_status); bfa_trc(diag, res->err_status1); bfa_trc(diag, res->err_addr); } diag->timer_active = 0; diag->cbfn(diag->cbarg, diag->status); diag->block = 0; } /* * Firmware ping */ /* * Perform DMA test directly */ static void diag_fwping_send(struct bfa_diag_s *diag) { struct bfi_diag_fwping_req_s *fwping_req; u32 i; bfa_trc(diag, diag->fwping.dbuf_pa); /* fill DMA area with pattern */ for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++) *((u32 *)diag->fwping.dbuf_kva + i) = diag->fwping.data; /* Fill mbox msg */ fwping_req = (struct bfi_diag_fwping_req_s *)diag->fwping.mbcmd.msg; /* Setup SG list */ bfa_alen_set(&fwping_req->alen, BFI_DIAG_DMA_BUF_SZ, diag->fwping.dbuf_pa); /* Set up dma count */ fwping_req->count = cpu_to_be32(diag->fwping.count); /* Set up data pattern */ fwping_req->data = diag->fwping.data; /* build host command */ bfi_h2i_set(fwping_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_FWPING, bfa_ioc_portid(diag->ioc)); /* send mbox cmd */ bfa_ioc_mbox_queue(diag->ioc, &diag->fwping.mbcmd); } static void diag_fwping_comp(struct bfa_diag_s *diag, struct bfi_diag_fwping_rsp_s *diag_rsp) { u32 rsp_data = diag_rsp->data; u8 rsp_dma_status = diag_rsp->dma_status; bfa_trc(diag, rsp_data); bfa_trc(diag, rsp_dma_status); if (rsp_dma_status == BFA_STATUS_OK) { u32 i, pat; pat = (diag->fwping.count & 0x1) ? ~(diag->fwping.data) : diag->fwping.data; /* Check mbox data */ if (diag->fwping.data != rsp_data) { bfa_trc(diag, rsp_data); diag->fwping.result->dmastatus = BFA_STATUS_DATACORRUPTED; diag->fwping.status = BFA_STATUS_DATACORRUPTED; diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); diag->fwping.lock = 0; return; } /* Check dma pattern */ for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++) { if (*((u32 *)diag->fwping.dbuf_kva + i) != pat) { bfa_trc(diag, i); bfa_trc(diag, pat); bfa_trc(diag, *((u32 *)diag->fwping.dbuf_kva + i)); diag->fwping.result->dmastatus = BFA_STATUS_DATACORRUPTED; diag->fwping.status = BFA_STATUS_DATACORRUPTED; diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); diag->fwping.lock = 0; return; } } diag->fwping.result->dmastatus = BFA_STATUS_OK; diag->fwping.status = BFA_STATUS_OK; diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); diag->fwping.lock = 0; } else { diag->fwping.status = BFA_STATUS_HDMA_FAILED; diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); diag->fwping.lock = 0; } } /* * Temperature Sensor */ static void diag_tempsensor_send(struct bfa_diag_s *diag) { struct bfi_diag_ts_req_s *msg; msg = (struct bfi_diag_ts_req_s *)diag->tsensor.mbcmd.msg; bfa_trc(diag, msg->temp); /* build host command */ bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_TEMPSENSOR, bfa_ioc_portid(diag->ioc)); /* send mbox cmd */ bfa_ioc_mbox_queue(diag->ioc, &diag->tsensor.mbcmd); } static void diag_tempsensor_comp(struct bfa_diag_s *diag, bfi_diag_ts_rsp_t *rsp) { if (!diag->tsensor.lock) { /* receiving response after ioc failure */ bfa_trc(diag, diag->tsensor.lock); return; } /* * ASIC junction tempsensor is a reg read operation * it will always return OK */ diag->tsensor.temp->temp = be16_to_cpu(rsp->temp); diag->tsensor.temp->ts_junc = rsp->ts_junc; diag->tsensor.temp->ts_brd = rsp->ts_brd; if (rsp->ts_brd) { /* tsensor.temp->status is brd_temp status */ diag->tsensor.temp->status = rsp->status; if (rsp->status == BFA_STATUS_OK) { diag->tsensor.temp->brd_temp = be16_to_cpu(rsp->brd_temp); } else diag->tsensor.temp->brd_temp = 0; } bfa_trc(diag, rsp->status); bfa_trc(diag, rsp->ts_junc); bfa_trc(diag, rsp->temp); bfa_trc(diag, rsp->ts_brd); bfa_trc(diag, rsp->brd_temp); /* tsensor status is always good bcos we always have junction temp */ diag->tsensor.status = BFA_STATUS_OK; diag->tsensor.cbfn(diag->tsensor.cbarg, diag->tsensor.status); diag->tsensor.lock = 0; } /* * LED Test command */ static void diag_ledtest_send(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest) { struct bfi_diag_ledtest_req_s *msg; msg = (struct bfi_diag_ledtest_req_s *)diag->ledtest.mbcmd.msg; /* build host command */ bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LEDTEST, bfa_ioc_portid(diag->ioc)); /* * convert the freq from N blinks per 10 sec to * crossbow ontime value. We do it here because division is need */ if (ledtest->freq) ledtest->freq = 500 / ledtest->freq; if (ledtest->freq == 0) ledtest->freq = 1; bfa_trc(diag, ledtest->freq); /* mcpy(&ledtest_req->req, ledtest, sizeof(bfa_diag_ledtest_t)); */ msg->cmd = (u8) ledtest->cmd; msg->color = (u8) ledtest->color; msg->portid = bfa_ioc_portid(diag->ioc); msg->led = ledtest->led; msg->freq = cpu_to_be16(ledtest->freq); /* send mbox cmd */ bfa_ioc_mbox_queue(diag->ioc, &diag->ledtest.mbcmd); } static void diag_ledtest_comp(struct bfa_diag_s *diag, struct bfi_diag_ledtest_rsp_s *msg) { bfa_trc(diag, diag->ledtest.lock); diag->ledtest.lock = BFA_FALSE; /* no bfa_cb_queue is needed because driver is not waiting */ } /* * Port beaconing */ static void diag_portbeacon_send(struct bfa_diag_s *diag, bfa_boolean_t beacon, u32 sec) { struct bfi_diag_portbeacon_req_s *msg; msg = (struct bfi_diag_portbeacon_req_s *)diag->beacon.mbcmd.msg; /* build host command */ bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_PORTBEACON, bfa_ioc_portid(diag->ioc)); msg->beacon = beacon; msg->period = cpu_to_be32(sec); /* send mbox cmd */ bfa_ioc_mbox_queue(diag->ioc, &diag->beacon.mbcmd); } static void diag_portbeacon_comp(struct bfa_diag_s *diag) { bfa_trc(diag, diag->beacon.state); diag->beacon.state = BFA_FALSE; if (diag->cbfn_beacon) diag->cbfn_beacon(diag->dev, BFA_FALSE, diag->beacon.link_e2e); } /* * Diag hmbox handler */ static void bfa_diag_intr(void *diagarg, struct bfi_mbmsg_s *msg) { struct bfa_diag_s *diag = diagarg; switch (msg->mh.msg_id) { case BFI_DIAG_I2H_PORTBEACON: diag_portbeacon_comp(diag); break; case BFI_DIAG_I2H_FWPING: diag_fwping_comp(diag, (struct bfi_diag_fwping_rsp_s *) msg); break; case BFI_DIAG_I2H_TEMPSENSOR: diag_tempsensor_comp(diag, (bfi_diag_ts_rsp_t *) msg); break; case BFI_DIAG_I2H_LEDTEST: diag_ledtest_comp(diag, (struct bfi_diag_ledtest_rsp_s *) msg); break; default: bfa_trc(diag, msg->mh.msg_id); WARN_ON(1); } } /* * Gen RAM Test * * @param[in] *diag - diag data struct * @param[in] *memtest - mem test params input from upper layer, * @param[in] pattern - mem test pattern * @param[in] *result - mem test result * @param[in] cbfn - mem test callback functioin * @param[in] cbarg - callback functioin arg * * @param[out] */ bfa_status_t bfa_diag_memtest(struct bfa_diag_s *diag, struct bfa_diag_memtest_s *memtest, u32 pattern, struct bfa_diag_memtest_result *result, bfa_cb_diag_t cbfn, void *cbarg) { u32 memtest_tov; bfa_trc(diag, pattern); if (!bfa_ioc_adapter_is_disabled(diag->ioc)) return BFA_STATUS_ADAPTER_ENABLED; /* check to see if there is another destructive diag cmd running */ if (diag->block) { bfa_trc(diag, diag->block); return BFA_STATUS_DEVBUSY; } else diag->block = 1; diag->result = result; diag->cbfn = cbfn; diag->cbarg = cbarg; /* download memtest code and take LPU0 out of reset */ bfa_ioc_boot(diag->ioc, BFI_FWBOOT_TYPE_MEMTEST, BFI_FWBOOT_ENV_OS); memtest_tov = (bfa_ioc_asic_gen(diag->ioc) == BFI_ASIC_GEN_CT2) ? CT2_BFA_DIAG_MEMTEST_TOV : BFA_DIAG_MEMTEST_TOV; bfa_timer_begin(diag->ioc->timer_mod, &diag->timer, bfa_diag_memtest_done, diag, memtest_tov); diag->timer_active = 1; return BFA_STATUS_OK; } /* * DIAG firmware ping command * * @param[in] *diag - diag data struct * @param[in] cnt - dma loop count for testing PCIE * @param[in] data - data pattern to pass in fw * @param[in] *result - pt to bfa_diag_fwping_result_t data struct * @param[in] cbfn - callback function * @param[in] *cbarg - callback functioin arg * * @param[out] */ bfa_status_t bfa_diag_fwping(struct bfa_diag_s *diag, u32 cnt, u32 data, struct bfa_diag_results_fwping *result, bfa_cb_diag_t cbfn, void *cbarg) { bfa_trc(diag, cnt); bfa_trc(diag, data); if (!bfa_ioc_is_operational(diag->ioc)) return BFA_STATUS_IOC_NON_OP; if (bfa_asic_id_ct2(bfa_ioc_devid((diag->ioc))) && ((diag->ioc)->clscode == BFI_PCIFN_CLASS_ETH)) return BFA_STATUS_CMD_NOTSUPP; /* check to see if there is another destructive diag cmd running */ if (diag->block || diag->fwping.lock) { bfa_trc(diag, diag->block); bfa_trc(diag, diag->fwping.lock); return BFA_STATUS_DEVBUSY; } /* Initialization */ diag->fwping.lock = 1; diag->fwping.cbfn = cbfn; diag->fwping.cbarg = cbarg; diag->fwping.result = result; diag->fwping.data = data; diag->fwping.count = cnt; /* Init test results */ diag->fwping.result->data = 0; diag->fwping.result->status = BFA_STATUS_OK; /* kick off the first ping */ diag_fwping_send(diag); return BFA_STATUS_OK; } /* * Read Temperature Sensor * * @param[in] *diag - diag data struct * @param[in] *result - pt to bfa_diag_temp_t data struct * @param[in] cbfn - callback function * @param[in] *cbarg - callback functioin arg * * @param[out] */ bfa_status_t bfa_diag_tsensor_query(struct bfa_diag_s *diag, struct bfa_diag_results_tempsensor_s *result, bfa_cb_diag_t cbfn, void *cbarg) { /* check to see if there is a destructive diag cmd running */ if (diag->block || diag->tsensor.lock) { bfa_trc(diag, diag->block); bfa_trc(diag, diag->tsensor.lock); return BFA_STATUS_DEVBUSY; } if (!bfa_ioc_is_operational(diag->ioc)) return BFA_STATUS_IOC_NON_OP; /* Init diag mod params */ diag->tsensor.lock = 1; diag->tsensor.temp = result; diag->tsensor.cbfn = cbfn; diag->tsensor.cbarg = cbarg; diag->tsensor.status = BFA_STATUS_OK; /* Send msg to fw */ diag_tempsensor_send(diag); return BFA_STATUS_OK; } /* * LED Test command * * @param[in] *diag - diag data struct * @param[in] *ledtest - pt to ledtest data structure * * @param[out] */ bfa_status_t bfa_diag_ledtest(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest) { bfa_trc(diag, ledtest->cmd); if (!bfa_ioc_is_operational(diag->ioc)) return BFA_STATUS_IOC_NON_OP; if (diag->beacon.state) return BFA_STATUS_BEACON_ON; if (diag->ledtest.lock) return BFA_STATUS_LEDTEST_OP; /* Send msg to fw */ diag->ledtest.lock = BFA_TRUE; diag_ledtest_send(diag, ledtest); return BFA_STATUS_OK; } /* * Port beaconing command * * @param[in] *diag - diag data struct * @param[in] beacon - port beaconing 1:ON 0:OFF * @param[in] link_e2e_beacon - link beaconing 1:ON 0:OFF * @param[in] sec - beaconing duration in seconds * * @param[out] */ bfa_status_t bfa_diag_beacon_port(struct bfa_diag_s *diag, bfa_boolean_t beacon, bfa_boolean_t link_e2e_beacon, uint32_t sec) { bfa_trc(diag, beacon); bfa_trc(diag, link_e2e_beacon); bfa_trc(diag, sec); if (!bfa_ioc_is_operational(diag->ioc)) return BFA_STATUS_IOC_NON_OP; if (diag->ledtest.lock) return BFA_STATUS_LEDTEST_OP; if (diag->beacon.state && beacon) /* beacon alread on */ return BFA_STATUS_BEACON_ON; diag->beacon.state = beacon; diag->beacon.link_e2e = link_e2e_beacon; if (diag->cbfn_beacon) diag->cbfn_beacon(diag->dev, beacon, link_e2e_beacon); /* Send msg to fw */ diag_portbeacon_send(diag, beacon, sec); return BFA_STATUS_OK; } /* * Return DMA memory needed by diag module. */ u32 bfa_diag_meminfo(void) { return BFA_ROUNDUP(BFI_DIAG_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } /* * Attach virtual and physical memory for Diag. */ void bfa_diag_attach(struct bfa_diag_s *diag, struct bfa_ioc_s *ioc, void *dev, bfa_cb_diag_beacon_t cbfn_beacon, struct bfa_trc_mod_s *trcmod) { diag->dev = dev; diag->ioc = ioc; diag->trcmod = trcmod; diag->block = 0; diag->cbfn = NULL; diag->cbarg = NULL; diag->result = NULL; diag->cbfn_beacon = cbfn_beacon; bfa_ioc_mbox_regisr(diag->ioc, BFI_MC_DIAG, bfa_diag_intr, diag); bfa_q_qe_init(&diag->ioc_notify); bfa_ioc_notify_init(&diag->ioc_notify, bfa_diag_notify, diag); list_add_tail(&diag->ioc_notify.qe, &diag->ioc->notify_q); } void bfa_diag_memclaim(struct bfa_diag_s *diag, u8 *dm_kva, u64 dm_pa) { diag->fwping.dbuf_kva = dm_kva; diag->fwping.dbuf_pa = dm_pa; memset(diag->fwping.dbuf_kva, 0, BFI_DIAG_DMA_BUF_SZ); } /* * PHY module specific */ #define BFA_PHY_DMA_BUF_SZ 0x02000 /* 8k dma buffer */ #define BFA_PHY_LOCK_STATUS 0x018878 /* phy semaphore status reg */ static void bfa_phy_ntoh32(u32 *obuf, u32 *ibuf, int sz) { int i, m = sz >> 2; for (i = 0; i < m; i++) obuf[i] = be32_to_cpu(ibuf[i]); } static bfa_boolean_t bfa_phy_present(struct bfa_phy_s *phy) { return (phy->ioc->attr->card_type == BFA_MFG_TYPE_LIGHTNING); } static void bfa_phy_notify(void *cbarg, enum bfa_ioc_event_e event) { struct bfa_phy_s *phy = cbarg; bfa_trc(phy, event); switch (event) { case BFA_IOC_E_DISABLED: case BFA_IOC_E_FAILED: if (phy->op_busy) { phy->status = BFA_STATUS_IOC_FAILURE; phy->cbfn(phy->cbarg, phy->status); phy->op_busy = 0; } break; default: break; } } /* * Send phy attribute query request. * * @param[in] cbarg - callback argument */ static void bfa_phy_query_send(void *cbarg) { struct bfa_phy_s *phy = cbarg; struct bfi_phy_query_req_s *msg = (struct bfi_phy_query_req_s *) phy->mb.msg; msg->instance = phy->instance; bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_QUERY_REQ, bfa_ioc_portid(phy->ioc)); bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_attr_s), phy->dbuf_pa); bfa_ioc_mbox_queue(phy->ioc, &phy->mb); } /* * Send phy write request. * * @param[in] cbarg - callback argument */ static void bfa_phy_write_send(void *cbarg) { struct bfa_phy_s *phy = cbarg; struct bfi_phy_write_req_s *msg = (struct bfi_phy_write_req_s *) phy->mb.msg; u32 len; u16 *buf, *dbuf; int i, sz; msg->instance = phy->instance; msg->offset = cpu_to_be32(phy->addr_off + phy->offset); len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ? phy->residue : BFA_PHY_DMA_BUF_SZ; msg->length = cpu_to_be32(len); /* indicate if it's the last msg of the whole write operation */ msg->last = (len == phy->residue) ? 1 : 0; bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_WRITE_REQ, bfa_ioc_portid(phy->ioc)); bfa_alen_set(&msg->alen, len, phy->dbuf_pa); buf = (u16 *) (phy->ubuf + phy->offset); dbuf = (u16 *)phy->dbuf_kva; sz = len >> 1; for (i = 0; i < sz; i++) buf[i] = cpu_to_be16(dbuf[i]); bfa_ioc_mbox_queue(phy->ioc, &phy->mb); phy->residue -= len; phy->offset += len; } /* * Send phy read request. * * @param[in] cbarg - callback argument */ static void bfa_phy_read_send(void *cbarg) { struct bfa_phy_s *phy = cbarg; struct bfi_phy_read_req_s *msg = (struct bfi_phy_read_req_s *) phy->mb.msg; u32 len; msg->instance = phy->instance; msg->offset = cpu_to_be32(phy->addr_off + phy->offset); len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ? phy->residue : BFA_PHY_DMA_BUF_SZ; msg->length = cpu_to_be32(len); bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_READ_REQ, bfa_ioc_portid(phy->ioc)); bfa_alen_set(&msg->alen, len, phy->dbuf_pa); bfa_ioc_mbox_queue(phy->ioc, &phy->mb); } /* * Send phy stats request. * * @param[in] cbarg - callback argument */ static void bfa_phy_stats_send(void *cbarg) { struct bfa_phy_s *phy = cbarg; struct bfi_phy_stats_req_s *msg = (struct bfi_phy_stats_req_s *) phy->mb.msg; msg->instance = phy->instance; bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_STATS_REQ, bfa_ioc_portid(phy->ioc)); bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_stats_s), phy->dbuf_pa); bfa_ioc_mbox_queue(phy->ioc, &phy->mb); } /* * Flash memory info API. * * @param[in] mincfg - minimal cfg variable */ u32 bfa_phy_meminfo(bfa_boolean_t mincfg) { /* min driver doesn't need phy */ if (mincfg) return 0; return BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } /* * Flash attach API. * * @param[in] phy - phy structure * @param[in] ioc - ioc structure * @param[in] dev - device structure * @param[in] trcmod - trace module * @param[in] logmod - log module */ void bfa_phy_attach(struct bfa_phy_s *phy, struct bfa_ioc_s *ioc, void *dev, struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) { phy->ioc = ioc; phy->trcmod = trcmod; phy->cbfn = NULL; phy->cbarg = NULL; phy->op_busy = 0; bfa_ioc_mbox_regisr(phy->ioc, BFI_MC_PHY, bfa_phy_intr, phy); bfa_q_qe_init(&phy->ioc_notify); bfa_ioc_notify_init(&phy->ioc_notify, bfa_phy_notify, phy); list_add_tail(&phy->ioc_notify.qe, &phy->ioc->notify_q); /* min driver doesn't need phy */ if (mincfg) { phy->dbuf_kva = NULL; phy->dbuf_pa = 0; } } /* * Claim memory for phy * * @param[in] phy - phy structure * @param[in] dm_kva - pointer to virtual memory address * @param[in] dm_pa - physical memory address * @param[in] mincfg - minimal cfg variable */ void bfa_phy_memclaim(struct bfa_phy_s *phy, u8 *dm_kva, u64 dm_pa, bfa_boolean_t mincfg) { if (mincfg) return; phy->dbuf_kva = dm_kva; phy->dbuf_pa = dm_pa; memset(phy->dbuf_kva, 0, BFA_PHY_DMA_BUF_SZ); dm_kva += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); dm_pa += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } bfa_boolean_t bfa_phy_busy(struct bfa_ioc_s *ioc) { void __iomem *rb; rb = bfa_ioc_bar0(ioc); return readl(rb + BFA_PHY_LOCK_STATUS); } /* * Get phy attribute. * * @param[in] phy - phy structure * @param[in] attr - phy attribute structure * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_phy_get_attr(struct bfa_phy_s *phy, u8 instance, struct bfa_phy_attr_s *attr, bfa_cb_phy_t cbfn, void *cbarg) { bfa_trc(phy, BFI_PHY_H2I_QUERY_REQ); bfa_trc(phy, instance); if (!bfa_phy_present(phy)) return BFA_STATUS_PHY_NOT_PRESENT; if (!bfa_ioc_is_operational(phy->ioc)) return BFA_STATUS_IOC_NON_OP; if (phy->op_busy || bfa_phy_busy(phy->ioc)) { bfa_trc(phy, phy->op_busy); return BFA_STATUS_DEVBUSY; } phy->op_busy = 1; phy->cbfn = cbfn; phy->cbarg = cbarg; phy->instance = instance; phy->ubuf = (uint8_t *) attr; bfa_phy_query_send(phy); return BFA_STATUS_OK; } /* * Get phy stats. * * @param[in] phy - phy structure * @param[in] instance - phy image instance * @param[in] stats - pointer to phy stats * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_phy_get_stats(struct bfa_phy_s *phy, u8 instance, struct bfa_phy_stats_s *stats, bfa_cb_phy_t cbfn, void *cbarg) { bfa_trc(phy, BFI_PHY_H2I_STATS_REQ); bfa_trc(phy, instance); if (!bfa_phy_present(phy)) return BFA_STATUS_PHY_NOT_PRESENT; if (!bfa_ioc_is_operational(phy->ioc)) return BFA_STATUS_IOC_NON_OP; if (phy->op_busy || bfa_phy_busy(phy->ioc)) { bfa_trc(phy, phy->op_busy); return BFA_STATUS_DEVBUSY; } phy->op_busy = 1; phy->cbfn = cbfn; phy->cbarg = cbarg; phy->instance = instance; phy->ubuf = (u8 *) stats; bfa_phy_stats_send(phy); return BFA_STATUS_OK; } /* * Update phy image. * * @param[in] phy - phy structure * @param[in] instance - phy image instance * @param[in] buf - update data buffer * @param[in] len - data buffer length * @param[in] offset - offset relative to starting address * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_phy_update(struct bfa_phy_s *phy, u8 instance, void *buf, u32 len, u32 offset, bfa_cb_phy_t cbfn, void *cbarg) { bfa_trc(phy, BFI_PHY_H2I_WRITE_REQ); bfa_trc(phy, instance); bfa_trc(phy, len); bfa_trc(phy, offset); if (!bfa_phy_present(phy)) return BFA_STATUS_PHY_NOT_PRESENT; if (!bfa_ioc_is_operational(phy->ioc)) return BFA_STATUS_IOC_NON_OP; /* 'len' must be in word (4-byte) boundary */ if (!len || (len & 0x03)) return BFA_STATUS_FAILED; if (phy->op_busy || bfa_phy_busy(phy->ioc)) { bfa_trc(phy, phy->op_busy); return BFA_STATUS_DEVBUSY; } phy->op_busy = 1; phy->cbfn = cbfn; phy->cbarg = cbarg; phy->instance = instance; phy->residue = len; phy->offset = 0; phy->addr_off = offset; phy->ubuf = buf; bfa_phy_write_send(phy); return BFA_STATUS_OK; } /* * Read phy image. * * @param[in] phy - phy structure * @param[in] instance - phy image instance * @param[in] buf - read data buffer * @param[in] len - data buffer length * @param[in] offset - offset relative to starting address * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_phy_read(struct bfa_phy_s *phy, u8 instance, void *buf, u32 len, u32 offset, bfa_cb_phy_t cbfn, void *cbarg) { bfa_trc(phy, BFI_PHY_H2I_READ_REQ); bfa_trc(phy, instance); bfa_trc(phy, len); bfa_trc(phy, offset); if (!bfa_phy_present(phy)) return BFA_STATUS_PHY_NOT_PRESENT; if (!bfa_ioc_is_operational(phy->ioc)) return BFA_STATUS_IOC_NON_OP; /* 'len' must be in word (4-byte) boundary */ if (!len || (len & 0x03)) return BFA_STATUS_FAILED; if (phy->op_busy || bfa_phy_busy(phy->ioc)) { bfa_trc(phy, phy->op_busy); return BFA_STATUS_DEVBUSY; } phy->op_busy = 1; phy->cbfn = cbfn; phy->cbarg = cbarg; phy->instance = instance; phy->residue = len; phy->offset = 0; phy->addr_off = offset; phy->ubuf = buf; bfa_phy_read_send(phy); return BFA_STATUS_OK; } /* * Process phy response messages upon receiving interrupts. * * @param[in] phyarg - phy structure * @param[in] msg - message structure */ void bfa_phy_intr(void *phyarg, struct bfi_mbmsg_s *msg) { struct bfa_phy_s *phy = phyarg; u32 status; union { struct bfi_phy_query_rsp_s *query; struct bfi_phy_stats_rsp_s *stats; struct bfi_phy_write_rsp_s *write; struct bfi_phy_read_rsp_s *read; struct bfi_mbmsg_s *msg; } m; m.msg = msg; bfa_trc(phy, msg->mh.msg_id); if (!phy->op_busy) { /* receiving response after ioc failure */ bfa_trc(phy, 0x9999); return; } switch (msg->mh.msg_id) { case BFI_PHY_I2H_QUERY_RSP: status = be32_to_cpu(m.query->status); bfa_trc(phy, status); if (status == BFA_STATUS_OK) { struct bfa_phy_attr_s *attr = (struct bfa_phy_attr_s *) phy->ubuf; bfa_phy_ntoh32((u32 *)attr, (u32 *)phy->dbuf_kva, sizeof(struct bfa_phy_attr_s)); bfa_trc(phy, attr->status); bfa_trc(phy, attr->length); } phy->status = status; phy->op_busy = 0; if (phy->cbfn) phy->cbfn(phy->cbarg, phy->status); break; case BFI_PHY_I2H_STATS_RSP: status = be32_to_cpu(m.stats->status); bfa_trc(phy, status); if (status == BFA_STATUS_OK) { struct bfa_phy_stats_s *stats = (struct bfa_phy_stats_s *) phy->ubuf; bfa_phy_ntoh32((u32 *)stats, (u32 *)phy->dbuf_kva, sizeof(struct bfa_phy_stats_s)); bfa_trc(phy, stats->status); } phy->status = status; phy->op_busy = 0; if (phy->cbfn) phy->cbfn(phy->cbarg, phy->status); break; case BFI_PHY_I2H_WRITE_RSP: status = be32_to_cpu(m.write->status); bfa_trc(phy, status); if (status != BFA_STATUS_OK || phy->residue == 0) { phy->status = status; phy->op_busy = 0; if (phy->cbfn) phy->cbfn(phy->cbarg, phy->status); } else { bfa_trc(phy, phy->offset); bfa_phy_write_send(phy); } break; case BFI_PHY_I2H_READ_RSP: status = be32_to_cpu(m.read->status); bfa_trc(phy, status); if (status != BFA_STATUS_OK) { phy->status = status; phy->op_busy = 0; if (phy->cbfn) phy->cbfn(phy->cbarg, phy->status); } else { u32 len = be32_to_cpu(m.read->length); u16 *buf = (u16 *)(phy->ubuf + phy->offset); u16 *dbuf = (u16 *)phy->dbuf_kva; int i, sz = len >> 1; bfa_trc(phy, phy->offset); bfa_trc(phy, len); for (i = 0; i < sz; i++) buf[i] = be16_to_cpu(dbuf[i]); phy->residue -= len; phy->offset += len; if (phy->residue == 0) { phy->status = status; phy->op_busy = 0; if (phy->cbfn) phy->cbfn(phy->cbarg, phy->status); } else bfa_phy_read_send(phy); } break; default: WARN_ON(1); } } /* * DCONF state machine events */ enum bfa_dconf_event { BFA_DCONF_SM_INIT = 1, /* dconf Init */ BFA_DCONF_SM_FLASH_COMP = 2, /* read/write to flash */ BFA_DCONF_SM_WR = 3, /* binding change, map */ BFA_DCONF_SM_TIMEOUT = 4, /* Start timer */ BFA_DCONF_SM_EXIT = 5, /* exit dconf module */ BFA_DCONF_SM_IOCDISABLE = 6, /* IOC disable event */ }; /* forward declaration of DCONF state machine */ static void bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event); static void bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event); static void bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event); static void bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event); static void bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event); static void bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event); static void bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event); static void bfa_dconf_cbfn(void *dconf, bfa_status_t status); static void bfa_dconf_timer(void *cbarg); static bfa_status_t bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf); static void bfa_dconf_init_cb(void *arg, bfa_status_t status); /* * Beginning state of dconf module. Waiting for an event to start. */ static void bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) { bfa_status_t bfa_status; bfa_trc(dconf->bfa, event); switch (event) { case BFA_DCONF_SM_INIT: if (dconf->min_cfg) { bfa_trc(dconf->bfa, dconf->min_cfg); bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); return; } bfa_sm_set_state(dconf, bfa_dconf_sm_flash_read); bfa_timer_start(dconf->bfa, &dconf->timer, bfa_dconf_timer, dconf, 2 * BFA_DCONF_UPDATE_TOV); bfa_status = bfa_flash_read_part(BFA_FLASH(dconf->bfa), BFA_FLASH_PART_DRV, dconf->instance, dconf->dconf, sizeof(struct bfa_dconf_s), 0, bfa_dconf_init_cb, dconf->bfa); if (bfa_status != BFA_STATUS_OK) { bfa_timer_stop(&dconf->timer); bfa_dconf_init_cb(dconf->bfa, BFA_STATUS_FAILED); bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); return; } break; case BFA_DCONF_SM_EXIT: bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); break; case BFA_DCONF_SM_IOCDISABLE: case BFA_DCONF_SM_WR: case BFA_DCONF_SM_FLASH_COMP: break; default: bfa_sm_fault(dconf->bfa, event); } } /* * Read flash for dconf entries and make a call back to the driver once done. */ static void bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) { bfa_trc(dconf->bfa, event); switch (event) { case BFA_DCONF_SM_FLASH_COMP: bfa_timer_stop(&dconf->timer); bfa_sm_set_state(dconf, bfa_dconf_sm_ready); break; case BFA_DCONF_SM_TIMEOUT: bfa_sm_set_state(dconf, bfa_dconf_sm_ready); bfa_ioc_suspend(&dconf->bfa->ioc); break; case BFA_DCONF_SM_EXIT: bfa_timer_stop(&dconf->timer); bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); break; case BFA_DCONF_SM_IOCDISABLE: bfa_timer_stop(&dconf->timer); bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); break; default: bfa_sm_fault(dconf->bfa, event); } } /* * DCONF Module is in ready state. Has completed the initialization. */ static void bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) { bfa_trc(dconf->bfa, event); switch (event) { case BFA_DCONF_SM_WR: bfa_timer_start(dconf->bfa, &dconf->timer, bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); break; case BFA_DCONF_SM_EXIT: bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); break; case BFA_DCONF_SM_INIT: case BFA_DCONF_SM_IOCDISABLE: break; default: bfa_sm_fault(dconf->bfa, event); } } /* * entries are dirty, write back to the flash. */ static void bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) { bfa_trc(dconf->bfa, event); switch (event) { case BFA_DCONF_SM_TIMEOUT: bfa_sm_set_state(dconf, bfa_dconf_sm_sync); bfa_dconf_flash_write(dconf); break; case BFA_DCONF_SM_WR: bfa_timer_stop(&dconf->timer); bfa_timer_start(dconf->bfa, &dconf->timer, bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); break; case BFA_DCONF_SM_EXIT: bfa_timer_stop(&dconf->timer); bfa_timer_start(dconf->bfa, &dconf->timer, bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync); bfa_dconf_flash_write(dconf); break; case BFA_DCONF_SM_FLASH_COMP: break; case BFA_DCONF_SM_IOCDISABLE: bfa_timer_stop(&dconf->timer); bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty); break; default: bfa_sm_fault(dconf->bfa, event); } } /* * Sync the dconf entries to the flash. */ static void bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) { bfa_trc(dconf->bfa, event); switch (event) { case BFA_DCONF_SM_IOCDISABLE: case BFA_DCONF_SM_FLASH_COMP: bfa_timer_stop(&dconf->timer); fallthrough; case BFA_DCONF_SM_TIMEOUT: bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); break; default: bfa_sm_fault(dconf->bfa, event); } } static void bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) { bfa_trc(dconf->bfa, event); switch (event) { case BFA_DCONF_SM_FLASH_COMP: bfa_sm_set_state(dconf, bfa_dconf_sm_ready); break; case BFA_DCONF_SM_WR: bfa_timer_start(dconf->bfa, &dconf->timer, bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); break; case BFA_DCONF_SM_EXIT: bfa_timer_start(dconf->bfa, &dconf->timer, bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync); break; case BFA_DCONF_SM_IOCDISABLE: bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty); break; default: bfa_sm_fault(dconf->bfa, event); } } static void bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) { bfa_trc(dconf->bfa, event); switch (event) { case BFA_DCONF_SM_INIT: bfa_timer_start(dconf->bfa, &dconf->timer, bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); break; case BFA_DCONF_SM_EXIT: bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); break; case BFA_DCONF_SM_IOCDISABLE: break; default: bfa_sm_fault(dconf->bfa, event); } } /* * Compute and return memory needed by DRV_CFG module. */ void bfa_dconf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, struct bfa_s *bfa) { struct bfa_mem_kva_s *dconf_kva = BFA_MEM_DCONF_KVA(bfa); if (cfg->drvcfg.min_cfg) bfa_mem_kva_setup(meminfo, dconf_kva, sizeof(struct bfa_dconf_hdr_s)); else bfa_mem_kva_setup(meminfo, dconf_kva, sizeof(struct bfa_dconf_s)); } void bfa_dconf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg) { struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); dconf->bfad = bfad; dconf->bfa = bfa; dconf->instance = bfa->ioc.port_id; bfa_trc(bfa, dconf->instance); dconf->dconf = (struct bfa_dconf_s *) bfa_mem_kva_curp(dconf); if (cfg->drvcfg.min_cfg) { bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_hdr_s); dconf->min_cfg = BFA_TRUE; } else { dconf->min_cfg = BFA_FALSE; bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_s); } bfa_dconf_read_data_valid(bfa) = BFA_FALSE; bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); } static void bfa_dconf_init_cb(void *arg, bfa_status_t status) { struct bfa_s *bfa = arg; struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); if (status == BFA_STATUS_OK) { bfa_dconf_read_data_valid(bfa) = BFA_TRUE; if (dconf->dconf->hdr.signature != BFI_DCONF_SIGNATURE) dconf->dconf->hdr.signature = BFI_DCONF_SIGNATURE; if (dconf->dconf->hdr.version != BFI_DCONF_VERSION) dconf->dconf->hdr.version = BFI_DCONF_VERSION; } bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP); bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DCONF_DONE); } void bfa_dconf_modinit(struct bfa_s *bfa) { struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); bfa_sm_send_event(dconf, BFA_DCONF_SM_INIT); } static void bfa_dconf_timer(void *cbarg) { struct bfa_dconf_mod_s *dconf = cbarg; bfa_sm_send_event(dconf, BFA_DCONF_SM_TIMEOUT); } void bfa_dconf_iocdisable(struct bfa_s *bfa) { struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); bfa_sm_send_event(dconf, BFA_DCONF_SM_IOCDISABLE); } static bfa_status_t bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf) { bfa_status_t bfa_status; bfa_trc(dconf->bfa, 0); bfa_status = bfa_flash_update_part(BFA_FLASH(dconf->bfa), BFA_FLASH_PART_DRV, dconf->instance, dconf->dconf, sizeof(struct bfa_dconf_s), 0, bfa_dconf_cbfn, dconf); if (bfa_status != BFA_STATUS_OK) WARN_ON(bfa_status); bfa_trc(dconf->bfa, bfa_status); return bfa_status; } bfa_status_t bfa_dconf_update(struct bfa_s *bfa) { struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); bfa_trc(dconf->bfa, 0); if (bfa_sm_cmp_state(dconf, bfa_dconf_sm_iocdown_dirty)) return BFA_STATUS_FAILED; if (dconf->min_cfg) { bfa_trc(dconf->bfa, dconf->min_cfg); return BFA_STATUS_FAILED; } bfa_sm_send_event(dconf, BFA_DCONF_SM_WR); return BFA_STATUS_OK; } static void bfa_dconf_cbfn(void *arg, bfa_status_t status) { struct bfa_dconf_mod_s *dconf = arg; WARN_ON(status); bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP); } void bfa_dconf_modexit(struct bfa_s *bfa) { struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); bfa_sm_send_event(dconf, BFA_DCONF_SM_EXIT); } /* * FRU specific functions */ #define BFA_FRU_DMA_BUF_SZ 0x02000 /* 8k dma buffer */ #define BFA_FRU_CHINOOK_MAX_SIZE 0x10000 #define BFA_FRU_LIGHTNING_MAX_SIZE 0x200 static void bfa_fru_notify(void *cbarg, enum bfa_ioc_event_e event) { struct bfa_fru_s *fru = cbarg; bfa_trc(fru, event); switch (event) { case BFA_IOC_E_DISABLED: case BFA_IOC_E_FAILED: if (fru->op_busy) { fru->status = BFA_STATUS_IOC_FAILURE; fru->cbfn(fru->cbarg, fru->status); fru->op_busy = 0; } break; default: break; } } /* * Send fru write request. * * @param[in] cbarg - callback argument */ static void bfa_fru_write_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type) { struct bfa_fru_s *fru = cbarg; struct bfi_fru_write_req_s *msg = (struct bfi_fru_write_req_s *) fru->mb.msg; u32 len; msg->offset = cpu_to_be32(fru->addr_off + fru->offset); len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ? fru->residue : BFA_FRU_DMA_BUF_SZ; msg->length = cpu_to_be32(len); /* * indicate if it's the last msg of the whole write operation */ msg->last = (len == fru->residue) ? 1 : 0; msg->trfr_cmpl = (len == fru->residue) ? fru->trfr_cmpl : 0; bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc)); bfa_alen_set(&msg->alen, len, fru->dbuf_pa); memcpy(fru->dbuf_kva, fru->ubuf + fru->offset, len); bfa_ioc_mbox_queue(fru->ioc, &fru->mb); fru->residue -= len; fru->offset += len; } /* * Send fru read request. * * @param[in] cbarg - callback argument */ static void bfa_fru_read_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type) { struct bfa_fru_s *fru = cbarg; struct bfi_fru_read_req_s *msg = (struct bfi_fru_read_req_s *) fru->mb.msg; u32 len; msg->offset = cpu_to_be32(fru->addr_off + fru->offset); len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ? fru->residue : BFA_FRU_DMA_BUF_SZ; msg->length = cpu_to_be32(len); bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc)); bfa_alen_set(&msg->alen, len, fru->dbuf_pa); bfa_ioc_mbox_queue(fru->ioc, &fru->mb); } /* * Flash memory info API. * * @param[in] mincfg - minimal cfg variable */ u32 bfa_fru_meminfo(bfa_boolean_t mincfg) { /* min driver doesn't need fru */ if (mincfg) return 0; return BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } /* * Flash attach API. * * @param[in] fru - fru structure * @param[in] ioc - ioc structure * @param[in] dev - device structure * @param[in] trcmod - trace module * @param[in] logmod - log module */ void bfa_fru_attach(struct bfa_fru_s *fru, struct bfa_ioc_s *ioc, void *dev, struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) { fru->ioc = ioc; fru->trcmod = trcmod; fru->cbfn = NULL; fru->cbarg = NULL; fru->op_busy = 0; bfa_ioc_mbox_regisr(fru->ioc, BFI_MC_FRU, bfa_fru_intr, fru); bfa_q_qe_init(&fru->ioc_notify); bfa_ioc_notify_init(&fru->ioc_notify, bfa_fru_notify, fru); list_add_tail(&fru->ioc_notify.qe, &fru->ioc->notify_q); /* min driver doesn't need fru */ if (mincfg) { fru->dbuf_kva = NULL; fru->dbuf_pa = 0; } } /* * Claim memory for fru * * @param[in] fru - fru structure * @param[in] dm_kva - pointer to virtual memory address * @param[in] dm_pa - frusical memory address * @param[in] mincfg - minimal cfg variable */ void bfa_fru_memclaim(struct bfa_fru_s *fru, u8 *dm_kva, u64 dm_pa, bfa_boolean_t mincfg) { if (mincfg) return; fru->dbuf_kva = dm_kva; fru->dbuf_pa = dm_pa; memset(fru->dbuf_kva, 0, BFA_FRU_DMA_BUF_SZ); dm_kva += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); dm_pa += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } /* * Update fru vpd image. * * @param[in] fru - fru structure * @param[in] buf - update data buffer * @param[in] len - data buffer length * @param[in] offset - offset relative to starting address * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_fruvpd_update(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, bfa_cb_fru_t cbfn, void *cbarg, u8 trfr_cmpl) { bfa_trc(fru, BFI_FRUVPD_H2I_WRITE_REQ); bfa_trc(fru, len); bfa_trc(fru, offset); if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2 && fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK2) return BFA_STATUS_FRU_NOT_PRESENT; if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK) return BFA_STATUS_CMD_NOTSUPP; if (!bfa_ioc_is_operational(fru->ioc)) return BFA_STATUS_IOC_NON_OP; if (fru->op_busy) { bfa_trc(fru, fru->op_busy); return BFA_STATUS_DEVBUSY; } fru->op_busy = 1; fru->cbfn = cbfn; fru->cbarg = cbarg; fru->residue = len; fru->offset = 0; fru->addr_off = offset; fru->ubuf = buf; fru->trfr_cmpl = trfr_cmpl; bfa_fru_write_send(fru, BFI_FRUVPD_H2I_WRITE_REQ); return BFA_STATUS_OK; } /* * Read fru vpd image. * * @param[in] fru - fru structure * @param[in] buf - read data buffer * @param[in] len - data buffer length * @param[in] offset - offset relative to starting address * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_fruvpd_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, bfa_cb_fru_t cbfn, void *cbarg) { bfa_trc(fru, BFI_FRUVPD_H2I_READ_REQ); bfa_trc(fru, len); bfa_trc(fru, offset); if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) return BFA_STATUS_FRU_NOT_PRESENT; if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK && fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK2) return BFA_STATUS_CMD_NOTSUPP; if (!bfa_ioc_is_operational(fru->ioc)) return BFA_STATUS_IOC_NON_OP; if (fru->op_busy) { bfa_trc(fru, fru->op_busy); return BFA_STATUS_DEVBUSY; } fru->op_busy = 1; fru->cbfn = cbfn; fru->cbarg = cbarg; fru->residue = len; fru->offset = 0; fru->addr_off = offset; fru->ubuf = buf; bfa_fru_read_send(fru, BFI_FRUVPD_H2I_READ_REQ); return BFA_STATUS_OK; } /* * Get maximum size fru vpd image. * * @param[in] fru - fru structure * @param[out] size - maximum size of fru vpd data * * Return status. */ bfa_status_t bfa_fruvpd_get_max_size(struct bfa_fru_s *fru, u32 *max_size) { if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) return BFA_STATUS_FRU_NOT_PRESENT; if (!bfa_ioc_is_operational(fru->ioc)) return BFA_STATUS_IOC_NON_OP; if (fru->ioc->attr->card_type == BFA_MFG_TYPE_CHINOOK || fru->ioc->attr->card_type == BFA_MFG_TYPE_CHINOOK2) *max_size = BFA_FRU_CHINOOK_MAX_SIZE; else return BFA_STATUS_CMD_NOTSUPP; return BFA_STATUS_OK; } /* * tfru write. * * @param[in] fru - fru structure * @param[in] buf - update data buffer * @param[in] len - data buffer length * @param[in] offset - offset relative to starting address * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_tfru_write(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, bfa_cb_fru_t cbfn, void *cbarg) { bfa_trc(fru, BFI_TFRU_H2I_WRITE_REQ); bfa_trc(fru, len); bfa_trc(fru, offset); bfa_trc(fru, *((u8 *) buf)); if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) return BFA_STATUS_FRU_NOT_PRESENT; if (!bfa_ioc_is_operational(fru->ioc)) return BFA_STATUS_IOC_NON_OP; if (fru->op_busy) { bfa_trc(fru, fru->op_busy); return BFA_STATUS_DEVBUSY; } fru->op_busy = 1; fru->cbfn = cbfn; fru->cbarg = cbarg; fru->residue = len; fru->offset = 0; fru->addr_off = offset; fru->ubuf = buf; bfa_fru_write_send(fru, BFI_TFRU_H2I_WRITE_REQ); return BFA_STATUS_OK; } /* * tfru read. * * @param[in] fru - fru structure * @param[in] buf - read data buffer * @param[in] len - data buffer length * @param[in] offset - offset relative to starting address * @param[in] cbfn - callback function * @param[in] cbarg - callback argument * * Return status. */ bfa_status_t bfa_tfru_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, bfa_cb_fru_t cbfn, void *cbarg) { bfa_trc(fru, BFI_TFRU_H2I_READ_REQ); bfa_trc(fru, len); bfa_trc(fru, offset); if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) return BFA_STATUS_FRU_NOT_PRESENT; if (!bfa_ioc_is_operational(fru->ioc)) return BFA_STATUS_IOC_NON_OP; if (fru->op_busy) { bfa_trc(fru, fru->op_busy); return BFA_STATUS_DEVBUSY; } fru->op_busy = 1; fru->cbfn = cbfn; fru->cbarg = cbarg; fru->residue = len; fru->offset = 0; fru->addr_off = offset; fru->ubuf = buf; bfa_fru_read_send(fru, BFI_TFRU_H2I_READ_REQ); return BFA_STATUS_OK; } /* * Process fru response messages upon receiving interrupts. * * @param[in] fruarg - fru structure * @param[in] msg - message structure */ void bfa_fru_intr(void *fruarg, struct bfi_mbmsg_s *msg) { struct bfa_fru_s *fru = fruarg; struct bfi_fru_rsp_s *rsp = (struct bfi_fru_rsp_s *)msg; u32 status; bfa_trc(fru, msg->mh.msg_id); if (!fru->op_busy) { /* * receiving response after ioc failure */ bfa_trc(fru, 0x9999); return; } switch (msg->mh.msg_id) { case BFI_FRUVPD_I2H_WRITE_RSP: case BFI_TFRU_I2H_WRITE_RSP: status = be32_to_cpu(rsp->status); bfa_trc(fru, status); if (status != BFA_STATUS_OK || fru->residue == 0) { fru->status = status; fru->op_busy = 0; if (fru->cbfn) fru->cbfn(fru->cbarg, fru->status); } else { bfa_trc(fru, fru->offset); if (msg->mh.msg_id == BFI_FRUVPD_I2H_WRITE_RSP) bfa_fru_write_send(fru, BFI_FRUVPD_H2I_WRITE_REQ); else bfa_fru_write_send(fru, BFI_TFRU_H2I_WRITE_REQ); } break; case BFI_FRUVPD_I2H_READ_RSP: case BFI_TFRU_I2H_READ_RSP: status = be32_to_cpu(rsp->status); bfa_trc(fru, status); if (status != BFA_STATUS_OK) { fru->status = status; fru->op_busy = 0; if (fru->cbfn) fru->cbfn(fru->cbarg, fru->status); } else { u32 len = be32_to_cpu(rsp->length); bfa_trc(fru, fru->offset); bfa_trc(fru, len); memcpy(fru->ubuf + fru->offset, fru->dbuf_kva, len); fru->residue -= len; fru->offset += len; if (fru->residue == 0) { fru->status = status; fru->op_busy = 0; if (fru->cbfn) fru->cbfn(fru->cbarg, fru->status); } else { if (msg->mh.msg_id == BFI_FRUVPD_I2H_READ_RSP) bfa_fru_read_send(fru, BFI_FRUVPD_H2I_READ_REQ); else bfa_fru_read_send(fru, BFI_TFRU_H2I_READ_REQ); } } break; default: WARN_ON(1); } } /* * register definitions */ #define FLI_CMD_REG 0x0001d000 #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 */ enum bfa_flash_cmd { BFA_FLASH_FAST_READ = 0x0b, /* fast read */ 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_u { 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_u { 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_u { struct { #ifdef __BIG_ENDIAN u32 addr:24; u32 dummy:8; #else u32 dummy:8; u32 addr:24; #endif } r; u32 i; }; /* * dg flash_raw_private 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_u 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_u 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_u cmd; cmd.i = readl(pci_bar + FLI_CMD_REG); if (cmd.r.act) return BFA_FLASH_ERR_CMD_ACT; return 0; } /* * @brief * Flush FLI data fifo. * * @param[in] pci_bar - pci bar address * @param[in] dev_status - device status * * Return 0 on success, negative error number on error. */ static u32 bfa_flash_fifo_flush(void __iomem *pci_bar) { u32 i; union bfa_flash_dev_status_reg_u 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++) 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; } /* * @brief * Read flash status. * * @param[in] pci_bar - pci bar address * * Return 0 on success, negative error number on error. */ static u32 bfa_flash_status_read(void __iomem *pci_bar) { union bfa_flash_dev_status_reg_u 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; } /* * @brief * Start flash read operation. * * @param[in] pci_bar - pci bar address * @param[in] offset - flash address offset * @param[in] len - read data length * @param[in] buf - read data buffer * * Return 0 on success, negative error number on error. */ static u32 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; } /* * @brief * Check flash read operation. * * @param[in] pci_bar - pci bar address * * Return flash device status, 1 if busy, 0 if not. */ static u32 bfa_flash_read_check(void __iomem *pci_bar) { if (bfa_flash_cmd_act_check(pci_bar)) return 1; return 0; } /* * @brief * End flash read operation. * * @param[in] pci_bar - pci bar address * @param[in] len - read data length * @param[in] buf - read data buffer * */ 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); } /* * @brief * Perform flash raw read. * * @param[in] pci_bar - pci bar address * @param[in] offset - flash partition address offset * @param[in] buf - read data buffer * @param[in] len - read data length * * Return status. */ #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 bfa_status_t 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)); } bfa_status_t 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; }
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