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3897 lines
94 KiB
3897 lines
94 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Copyright (c) 2005-2014 Brocade Communications Systems, Inc. |
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* Copyright (c) 2014- QLogic Corporation. |
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* All rights reserved |
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* www.qlogic.com |
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* |
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* Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. |
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*/ |
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#include "bfad_drv.h" |
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#include "bfa_modules.h" |
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BFA_TRC_FILE(HAL, FCPIM); |
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/* |
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* BFA ITNIM Related definitions |
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*/ |
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static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); |
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#define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \ |
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(((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1)))) |
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#define bfa_fcpim_additn(__itnim) \ |
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list_add_tail(&(__itnim)->qe, &(__itnim)->fcpim->itnim_q) |
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#define bfa_fcpim_delitn(__itnim) do { \ |
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WARN_ON(!bfa_q_is_on_q(&(__itnim)->fcpim->itnim_q, __itnim)); \ |
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bfa_itnim_update_del_itn_stats(__itnim); \ |
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list_del(&(__itnim)->qe); \ |
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WARN_ON(!list_empty(&(__itnim)->io_q)); \ |
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WARN_ON(!list_empty(&(__itnim)->io_cleanup_q)); \ |
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WARN_ON(!list_empty(&(__itnim)->pending_q)); \ |
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} while (0) |
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#define bfa_itnim_online_cb(__itnim) do { \ |
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if ((__itnim)->bfa->fcs) \ |
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bfa_cb_itnim_online((__itnim)->ditn); \ |
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else { \ |
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bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ |
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__bfa_cb_itnim_online, (__itnim)); \ |
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} \ |
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} while (0) |
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#define bfa_itnim_offline_cb(__itnim) do { \ |
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if ((__itnim)->bfa->fcs) \ |
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bfa_cb_itnim_offline((__itnim)->ditn); \ |
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else { \ |
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bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ |
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__bfa_cb_itnim_offline, (__itnim)); \ |
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} \ |
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} while (0) |
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#define bfa_itnim_sler_cb(__itnim) do { \ |
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if ((__itnim)->bfa->fcs) \ |
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bfa_cb_itnim_sler((__itnim)->ditn); \ |
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else { \ |
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bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ |
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__bfa_cb_itnim_sler, (__itnim)); \ |
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} \ |
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} while (0) |
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enum bfa_ioim_lm_ua_status { |
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BFA_IOIM_LM_UA_RESET = 0, |
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BFA_IOIM_LM_UA_SET = 1, |
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}; |
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/* |
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* itnim state machine event |
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*/ |
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enum bfa_itnim_event { |
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BFA_ITNIM_SM_CREATE = 1, /* itnim is created */ |
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BFA_ITNIM_SM_ONLINE = 2, /* itnim is online */ |
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BFA_ITNIM_SM_OFFLINE = 3, /* itnim is offline */ |
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BFA_ITNIM_SM_FWRSP = 4, /* firmware response */ |
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BFA_ITNIM_SM_DELETE = 5, /* deleting an existing itnim */ |
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BFA_ITNIM_SM_CLEANUP = 6, /* IO cleanup completion */ |
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BFA_ITNIM_SM_SLER = 7, /* second level error recovery */ |
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BFA_ITNIM_SM_HWFAIL = 8, /* IOC h/w failure event */ |
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BFA_ITNIM_SM_QRESUME = 9, /* queue space available */ |
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}; |
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/* |
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* BFA IOIM related definitions |
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*/ |
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#define bfa_ioim_move_to_comp_q(__ioim) do { \ |
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list_del(&(__ioim)->qe); \ |
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list_add_tail(&(__ioim)->qe, &(__ioim)->fcpim->ioim_comp_q); \ |
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} while (0) |
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#define bfa_ioim_cb_profile_comp(__fcpim, __ioim) do { \ |
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if ((__fcpim)->profile_comp) \ |
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(__fcpim)->profile_comp(__ioim); \ |
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} while (0) |
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#define bfa_ioim_cb_profile_start(__fcpim, __ioim) do { \ |
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if ((__fcpim)->profile_start) \ |
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(__fcpim)->profile_start(__ioim); \ |
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} while (0) |
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/* |
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* IO state machine events |
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*/ |
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enum bfa_ioim_event { |
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BFA_IOIM_SM_START = 1, /* io start request from host */ |
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BFA_IOIM_SM_COMP_GOOD = 2, /* io good comp, resource free */ |
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BFA_IOIM_SM_COMP = 3, /* io comp, resource is free */ |
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BFA_IOIM_SM_COMP_UTAG = 4, /* io comp, resource is free */ |
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BFA_IOIM_SM_DONE = 5, /* io comp, resource not free */ |
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BFA_IOIM_SM_FREE = 6, /* io resource is freed */ |
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BFA_IOIM_SM_ABORT = 7, /* abort request from scsi stack */ |
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BFA_IOIM_SM_ABORT_COMP = 8, /* abort from f/w */ |
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BFA_IOIM_SM_ABORT_DONE = 9, /* abort completion from f/w */ |
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BFA_IOIM_SM_QRESUME = 10, /* CQ space available to queue IO */ |
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BFA_IOIM_SM_SGALLOCED = 11, /* SG page allocation successful */ |
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BFA_IOIM_SM_SQRETRY = 12, /* sequence recovery retry */ |
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BFA_IOIM_SM_HCB = 13, /* bfa callback complete */ |
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BFA_IOIM_SM_CLEANUP = 14, /* IO cleanup from itnim */ |
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BFA_IOIM_SM_TMSTART = 15, /* IO cleanup from tskim */ |
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BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ |
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BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ |
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BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ |
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}; |
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/* |
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* BFA TSKIM related definitions |
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*/ |
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/* |
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* task management completion handling |
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*/ |
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#define bfa_tskim_qcomp(__tskim, __cbfn) do { \ |
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bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim));\ |
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bfa_tskim_notify_comp(__tskim); \ |
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} while (0) |
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#define bfa_tskim_notify_comp(__tskim) do { \ |
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if ((__tskim)->notify) \ |
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bfa_itnim_tskdone((__tskim)->itnim); \ |
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} while (0) |
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enum bfa_tskim_event { |
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BFA_TSKIM_SM_START = 1, /* TM command start */ |
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BFA_TSKIM_SM_DONE = 2, /* TM completion */ |
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BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */ |
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BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */ |
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BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */ |
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BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */ |
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BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */ |
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BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */ |
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BFA_TSKIM_SM_UTAG = 10, /* TM completion unknown tag */ |
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}; |
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/* |
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* forward declaration for BFA ITNIM functions |
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*/ |
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static void bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim); |
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static bfa_boolean_t bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim); |
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static bfa_boolean_t bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim); |
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static void bfa_itnim_cleanp_comp(void *itnim_cbarg); |
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static void bfa_itnim_cleanup(struct bfa_itnim_s *itnim); |
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static void __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete); |
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static void __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete); |
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static void __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete); |
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static void bfa_itnim_iotov_online(struct bfa_itnim_s *itnim); |
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static void bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim); |
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static void bfa_itnim_iotov(void *itnim_arg); |
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static void bfa_itnim_iotov_start(struct bfa_itnim_s *itnim); |
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static void bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim); |
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static void bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim); |
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/* |
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* forward declaration of ITNIM state machine |
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*/ |
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static void bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_created(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_online(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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static void bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, |
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enum bfa_itnim_event event); |
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/* |
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* forward declaration for BFA IOIM functions |
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*/ |
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static bfa_boolean_t bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim); |
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static bfa_boolean_t bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim); |
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static bfa_boolean_t bfa_ioim_send_abort(struct bfa_ioim_s *ioim); |
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static void bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim); |
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static void __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete); |
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static void __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete); |
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static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete); |
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static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete); |
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static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete); |
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static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim); |
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/* |
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* forward declaration of BFA IO state machine |
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*/ |
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static void bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_active(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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static void bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, |
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enum bfa_ioim_event event); |
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/* |
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* forward declaration for BFA TSKIM functions |
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*/ |
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static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete); |
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static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete); |
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static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim, |
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struct scsi_lun lun); |
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static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim); |
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static void bfa_tskim_cleanp_comp(void *tskim_cbarg); |
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static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim); |
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static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim); |
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static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim); |
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static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim); |
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/* |
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* forward declaration of BFA TSKIM state machine |
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*/ |
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static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, |
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enum bfa_tskim_event event); |
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static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim, |
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enum bfa_tskim_event event); |
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static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, |
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enum bfa_tskim_event event); |
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static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, |
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enum bfa_tskim_event event); |
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static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, |
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enum bfa_tskim_event event); |
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static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, |
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enum bfa_tskim_event event); |
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static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, |
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enum bfa_tskim_event event); |
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/* |
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* BFA FCP Initiator Mode module |
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*/ |
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/* |
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* Compute and return memory needed by FCP(im) module. |
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*/ |
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static void |
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bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) |
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{ |
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bfa_itnim_meminfo(cfg, km_len); |
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/* |
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* IO memory |
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*/ |
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*km_len += cfg->fwcfg.num_ioim_reqs * |
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(sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s)); |
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/* |
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* task management command memory |
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*/ |
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if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN) |
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cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; |
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*km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s); |
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} |
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static void |
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bfa_fcpim_attach(struct bfa_fcp_mod_s *fcp, void *bfad, |
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struct bfa_iocfc_cfg_s *cfg, struct bfa_pcidev_s *pcidev) |
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{ |
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struct bfa_fcpim_s *fcpim = &fcp->fcpim; |
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struct bfa_s *bfa = fcp->bfa; |
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bfa_trc(bfa, cfg->drvcfg.path_tov); |
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bfa_trc(bfa, cfg->fwcfg.num_rports); |
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bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs); |
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bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs); |
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fcpim->fcp = fcp; |
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fcpim->bfa = bfa; |
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fcpim->num_itnims = cfg->fwcfg.num_rports; |
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fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs; |
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fcpim->path_tov = cfg->drvcfg.path_tov; |
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fcpim->delay_comp = cfg->drvcfg.delay_comp; |
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fcpim->profile_comp = NULL; |
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fcpim->profile_start = NULL; |
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bfa_itnim_attach(fcpim); |
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bfa_tskim_attach(fcpim); |
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bfa_ioim_attach(fcpim); |
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} |
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void |
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bfa_fcpim_iocdisable(struct bfa_fcp_mod_s *fcp) |
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{ |
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struct bfa_fcpim_s *fcpim = &fcp->fcpim; |
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struct bfa_itnim_s *itnim; |
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struct list_head *qe, *qen; |
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/* Enqueue unused ioim resources to free_q */ |
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list_splice_tail_init(&fcpim->tskim_unused_q, &fcpim->tskim_free_q); |
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list_for_each_safe(qe, qen, &fcpim->itnim_q) { |
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itnim = (struct bfa_itnim_s *) qe; |
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bfa_itnim_iocdisable(itnim); |
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} |
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} |
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void |
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bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov) |
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{ |
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struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
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fcpim->path_tov = path_tov * 1000; |
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if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX) |
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fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX; |
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} |
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u16 |
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bfa_fcpim_path_tov_get(struct bfa_s *bfa) |
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{ |
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struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
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return fcpim->path_tov / 1000; |
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} |
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#define bfa_fcpim_add_iostats(__l, __r, __stats) \ |
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(__l->__stats += __r->__stats) |
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void |
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bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *lstats, |
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struct bfa_itnim_iostats_s *rstats) |
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{ |
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bfa_fcpim_add_iostats(lstats, rstats, total_ios); |
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bfa_fcpim_add_iostats(lstats, rstats, qresumes); |
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bfa_fcpim_add_iostats(lstats, rstats, no_iotags); |
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bfa_fcpim_add_iostats(lstats, rstats, io_aborts); |
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bfa_fcpim_add_iostats(lstats, rstats, no_tskims); |
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bfa_fcpim_add_iostats(lstats, rstats, iocomp_ok); |
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bfa_fcpim_add_iostats(lstats, rstats, iocomp_underrun); |
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bfa_fcpim_add_iostats(lstats, rstats, iocomp_overrun); |
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bfa_fcpim_add_iostats(lstats, rstats, iocomp_aborted); |
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bfa_fcpim_add_iostats(lstats, rstats, iocomp_timedout); |
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bfa_fcpim_add_iostats(lstats, rstats, iocom_nexus_abort); |
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bfa_fcpim_add_iostats(lstats, rstats, iocom_proto_err); |
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bfa_fcpim_add_iostats(lstats, rstats, iocom_dif_err); |
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bfa_fcpim_add_iostats(lstats, rstats, iocom_sqer_needed); |
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bfa_fcpim_add_iostats(lstats, rstats, iocom_res_free); |
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bfa_fcpim_add_iostats(lstats, rstats, iocom_hostabrts); |
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bfa_fcpim_add_iostats(lstats, rstats, iocom_utags); |
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bfa_fcpim_add_iostats(lstats, rstats, io_cleanups); |
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bfa_fcpim_add_iostats(lstats, rstats, io_tmaborts); |
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bfa_fcpim_add_iostats(lstats, rstats, onlines); |
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bfa_fcpim_add_iostats(lstats, rstats, offlines); |
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bfa_fcpim_add_iostats(lstats, rstats, creates); |
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bfa_fcpim_add_iostats(lstats, rstats, deletes); |
|
bfa_fcpim_add_iostats(lstats, rstats, create_comps); |
|
bfa_fcpim_add_iostats(lstats, rstats, delete_comps); |
|
bfa_fcpim_add_iostats(lstats, rstats, sler_events); |
|
bfa_fcpim_add_iostats(lstats, rstats, fw_create); |
|
bfa_fcpim_add_iostats(lstats, rstats, fw_delete); |
|
bfa_fcpim_add_iostats(lstats, rstats, ioc_disabled); |
|
bfa_fcpim_add_iostats(lstats, rstats, cleanup_comps); |
|
bfa_fcpim_add_iostats(lstats, rstats, tm_cmnds); |
|
bfa_fcpim_add_iostats(lstats, rstats, tm_fw_rsps); |
|
bfa_fcpim_add_iostats(lstats, rstats, tm_success); |
|
bfa_fcpim_add_iostats(lstats, rstats, tm_failures); |
|
bfa_fcpim_add_iostats(lstats, rstats, tm_io_comps); |
|
bfa_fcpim_add_iostats(lstats, rstats, tm_qresumes); |
|
bfa_fcpim_add_iostats(lstats, rstats, tm_iocdowns); |
|
bfa_fcpim_add_iostats(lstats, rstats, tm_cleanups); |
|
bfa_fcpim_add_iostats(lstats, rstats, tm_cleanup_comps); |
|
bfa_fcpim_add_iostats(lstats, rstats, io_comps); |
|
bfa_fcpim_add_iostats(lstats, rstats, input_reqs); |
|
bfa_fcpim_add_iostats(lstats, rstats, output_reqs); |
|
bfa_fcpim_add_iostats(lstats, rstats, rd_throughput); |
|
bfa_fcpim_add_iostats(lstats, rstats, wr_throughput); |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_port_iostats(struct bfa_s *bfa, |
|
struct bfa_itnim_iostats_s *stats, u8 lp_tag) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
struct list_head *qe, *qen; |
|
struct bfa_itnim_s *itnim; |
|
|
|
/* accumulate IO stats from itnim */ |
|
memset(stats, 0, sizeof(struct bfa_itnim_iostats_s)); |
|
list_for_each_safe(qe, qen, &fcpim->itnim_q) { |
|
itnim = (struct bfa_itnim_s *) qe; |
|
if (itnim->rport->rport_info.lp_tag != lp_tag) |
|
continue; |
|
bfa_fcpim_add_stats(stats, &(itnim->stats)); |
|
} |
|
return BFA_STATUS_OK; |
|
} |
|
|
|
static void |
|
bfa_ioim_profile_comp(struct bfa_ioim_s *ioim) |
|
{ |
|
struct bfa_itnim_latency_s *io_lat = |
|
&(ioim->itnim->ioprofile.io_latency); |
|
u32 val, idx; |
|
|
|
val = (u32)(jiffies - ioim->start_time); |
|
idx = bfa_ioim_get_index(scsi_bufflen((struct scsi_cmnd *)ioim->dio)); |
|
bfa_itnim_ioprofile_update(ioim->itnim, idx); |
|
|
|
io_lat->count[idx]++; |
|
io_lat->min[idx] = (io_lat->min[idx] < val) ? io_lat->min[idx] : val; |
|
io_lat->max[idx] = (io_lat->max[idx] > val) ? io_lat->max[idx] : val; |
|
io_lat->avg[idx] += val; |
|
} |
|
|
|
static void |
|
bfa_ioim_profile_start(struct bfa_ioim_s *ioim) |
|
{ |
|
ioim->start_time = jiffies; |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_profile_on(struct bfa_s *bfa, time64_t time) |
|
{ |
|
struct bfa_itnim_s *itnim; |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
struct list_head *qe, *qen; |
|
|
|
/* accumulate IO stats from itnim */ |
|
list_for_each_safe(qe, qen, &fcpim->itnim_q) { |
|
itnim = (struct bfa_itnim_s *) qe; |
|
bfa_itnim_clear_stats(itnim); |
|
} |
|
fcpim->io_profile = BFA_TRUE; |
|
fcpim->io_profile_start_time = time; |
|
fcpim->profile_comp = bfa_ioim_profile_comp; |
|
fcpim->profile_start = bfa_ioim_profile_start; |
|
return BFA_STATUS_OK; |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_profile_off(struct bfa_s *bfa) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
fcpim->io_profile = BFA_FALSE; |
|
fcpim->io_profile_start_time = 0; |
|
fcpim->profile_comp = NULL; |
|
fcpim->profile_start = NULL; |
|
return BFA_STATUS_OK; |
|
} |
|
|
|
u16 |
|
bfa_fcpim_qdepth_get(struct bfa_s *bfa) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
|
|
return fcpim->q_depth; |
|
} |
|
|
|
/* |
|
* BFA ITNIM module state machine functions |
|
*/ |
|
|
|
/* |
|
* Beginning/unallocated state - no events expected. |
|
*/ |
|
static void |
|
bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_CREATE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_created); |
|
itnim->is_online = BFA_FALSE; |
|
bfa_fcpim_additn(itnim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Beginning state, only online event expected. |
|
*/ |
|
static void |
|
bfa_itnim_sm_created(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_ONLINE: |
|
if (bfa_itnim_send_fwcreate(itnim)) |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); |
|
else |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); |
|
break; |
|
|
|
case BFA_ITNIM_SM_DELETE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); |
|
bfa_fcpim_delitn(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Waiting for itnim create response from firmware. |
|
*/ |
|
static void |
|
bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_FWRSP: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_online); |
|
itnim->is_online = BFA_TRUE; |
|
bfa_itnim_iotov_online(itnim); |
|
bfa_itnim_online_cb(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_DELETE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_delete_pending); |
|
break; |
|
|
|
case BFA_ITNIM_SM_OFFLINE: |
|
if (bfa_itnim_send_fwdelete(itnim)) |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); |
|
else |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
static void |
|
bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, |
|
enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_QRESUME: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); |
|
bfa_itnim_send_fwcreate(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_DELETE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); |
|
bfa_reqq_wcancel(&itnim->reqq_wait); |
|
bfa_fcpim_delitn(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_OFFLINE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_offline); |
|
bfa_reqq_wcancel(&itnim->reqq_wait); |
|
bfa_itnim_offline_cb(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); |
|
bfa_reqq_wcancel(&itnim->reqq_wait); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Waiting for itnim create response from firmware, a delete is pending. |
|
*/ |
|
static void |
|
bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, |
|
enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_FWRSP: |
|
if (bfa_itnim_send_fwdelete(itnim)) |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); |
|
else |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); |
|
bfa_fcpim_delitn(itnim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Online state - normal parking state. |
|
*/ |
|
static void |
|
bfa_itnim_sm_online(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_OFFLINE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); |
|
itnim->is_online = BFA_FALSE; |
|
bfa_itnim_iotov_start(itnim); |
|
bfa_itnim_cleanup(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_DELETE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); |
|
itnim->is_online = BFA_FALSE; |
|
bfa_itnim_cleanup(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_SLER: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_sler); |
|
itnim->is_online = BFA_FALSE; |
|
bfa_itnim_iotov_start(itnim); |
|
bfa_itnim_sler_cb(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); |
|
itnim->is_online = BFA_FALSE; |
|
bfa_itnim_iotov_start(itnim); |
|
bfa_itnim_iocdisable_cleanup(itnim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Second level error recovery need. |
|
*/ |
|
static void |
|
bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_OFFLINE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); |
|
bfa_itnim_cleanup(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_DELETE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); |
|
bfa_itnim_cleanup(itnim); |
|
bfa_itnim_iotov_delete(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); |
|
bfa_itnim_iocdisable_cleanup(itnim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Going offline. Waiting for active IO cleanup. |
|
*/ |
|
static void |
|
bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, |
|
enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_CLEANUP: |
|
if (bfa_itnim_send_fwdelete(itnim)) |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); |
|
else |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); |
|
break; |
|
|
|
case BFA_ITNIM_SM_DELETE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); |
|
bfa_itnim_iotov_delete(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); |
|
bfa_itnim_iocdisable_cleanup(itnim); |
|
bfa_itnim_offline_cb(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_SLER: |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Deleting itnim. Waiting for active IO cleanup. |
|
*/ |
|
static void |
|
bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, |
|
enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_CLEANUP: |
|
if (bfa_itnim_send_fwdelete(itnim)) |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); |
|
else |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); |
|
bfa_itnim_iocdisable_cleanup(itnim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Rport offline. Fimrware itnim is being deleted - awaiting f/w response. |
|
*/ |
|
static void |
|
bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_FWRSP: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_offline); |
|
bfa_itnim_offline_cb(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_DELETE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); |
|
bfa_itnim_offline_cb(itnim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
static void |
|
bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, |
|
enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_QRESUME: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); |
|
bfa_itnim_send_fwdelete(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_DELETE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); |
|
bfa_reqq_wcancel(&itnim->reqq_wait); |
|
bfa_itnim_offline_cb(itnim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Offline state. |
|
*/ |
|
static void |
|
bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_DELETE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); |
|
bfa_itnim_iotov_delete(itnim); |
|
bfa_fcpim_delitn(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_ONLINE: |
|
if (bfa_itnim_send_fwcreate(itnim)) |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); |
|
else |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
static void |
|
bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, |
|
enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_DELETE: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); |
|
bfa_itnim_iotov_delete(itnim); |
|
bfa_fcpim_delitn(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_OFFLINE: |
|
bfa_itnim_offline_cb(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_ONLINE: |
|
if (bfa_itnim_send_fwcreate(itnim)) |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); |
|
else |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Itnim is deleted, waiting for firmware response to delete. |
|
*/ |
|
static void |
|
bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_FWRSP: |
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); |
|
bfa_fcpim_delitn(itnim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
static void |
|
bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, |
|
enum bfa_itnim_event event) |
|
{ |
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag); |
|
bfa_trc(itnim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_ITNIM_SM_QRESUME: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); |
|
bfa_itnim_send_fwdelete(itnim); |
|
break; |
|
|
|
case BFA_ITNIM_SM_HWFAIL: |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); |
|
bfa_reqq_wcancel(&itnim->reqq_wait); |
|
bfa_fcpim_delitn(itnim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(itnim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Initiate cleanup of all IOs on an IOC failure. |
|
*/ |
|
static void |
|
bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim) |
|
{ |
|
struct bfa_tskim_s *tskim; |
|
struct bfa_ioim_s *ioim; |
|
struct list_head *qe, *qen; |
|
|
|
list_for_each_safe(qe, qen, &itnim->tsk_q) { |
|
tskim = (struct bfa_tskim_s *) qe; |
|
bfa_tskim_iocdisable(tskim); |
|
} |
|
|
|
list_for_each_safe(qe, qen, &itnim->io_q) { |
|
ioim = (struct bfa_ioim_s *) qe; |
|
bfa_ioim_iocdisable(ioim); |
|
} |
|
|
|
/* |
|
* For IO request in pending queue, we pretend an early timeout. |
|
*/ |
|
list_for_each_safe(qe, qen, &itnim->pending_q) { |
|
ioim = (struct bfa_ioim_s *) qe; |
|
bfa_ioim_tov(ioim); |
|
} |
|
|
|
list_for_each_safe(qe, qen, &itnim->io_cleanup_q) { |
|
ioim = (struct bfa_ioim_s *) qe; |
|
bfa_ioim_iocdisable(ioim); |
|
} |
|
} |
|
|
|
/* |
|
* IO cleanup completion |
|
*/ |
|
static void |
|
bfa_itnim_cleanp_comp(void *itnim_cbarg) |
|
{ |
|
struct bfa_itnim_s *itnim = itnim_cbarg; |
|
|
|
bfa_stats(itnim, cleanup_comps); |
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_CLEANUP); |
|
} |
|
|
|
/* |
|
* Initiate cleanup of all IOs. |
|
*/ |
|
static void |
|
bfa_itnim_cleanup(struct bfa_itnim_s *itnim) |
|
{ |
|
struct bfa_ioim_s *ioim; |
|
struct bfa_tskim_s *tskim; |
|
struct list_head *qe, *qen; |
|
|
|
bfa_wc_init(&itnim->wc, bfa_itnim_cleanp_comp, itnim); |
|
|
|
list_for_each_safe(qe, qen, &itnim->io_q) { |
|
ioim = (struct bfa_ioim_s *) qe; |
|
|
|
/* |
|
* Move IO to a cleanup queue from active queue so that a later |
|
* TM will not pickup this IO. |
|
*/ |
|
list_del(&ioim->qe); |
|
list_add_tail(&ioim->qe, &itnim->io_cleanup_q); |
|
|
|
bfa_wc_up(&itnim->wc); |
|
bfa_ioim_cleanup(ioim); |
|
} |
|
|
|
list_for_each_safe(qe, qen, &itnim->tsk_q) { |
|
tskim = (struct bfa_tskim_s *) qe; |
|
bfa_wc_up(&itnim->wc); |
|
bfa_tskim_cleanup(tskim); |
|
} |
|
|
|
bfa_wc_wait(&itnim->wc); |
|
} |
|
|
|
static void |
|
__bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete) |
|
{ |
|
struct bfa_itnim_s *itnim = cbarg; |
|
|
|
if (complete) |
|
bfa_cb_itnim_online(itnim->ditn); |
|
} |
|
|
|
static void |
|
__bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete) |
|
{ |
|
struct bfa_itnim_s *itnim = cbarg; |
|
|
|
if (complete) |
|
bfa_cb_itnim_offline(itnim->ditn); |
|
} |
|
|
|
static void |
|
__bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete) |
|
{ |
|
struct bfa_itnim_s *itnim = cbarg; |
|
|
|
if (complete) |
|
bfa_cb_itnim_sler(itnim->ditn); |
|
} |
|
|
|
/* |
|
* Call to resume any I/O requests waiting for room in request queue. |
|
*/ |
|
static void |
|
bfa_itnim_qresume(void *cbarg) |
|
{ |
|
struct bfa_itnim_s *itnim = cbarg; |
|
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_QRESUME); |
|
} |
|
|
|
/* |
|
* bfa_itnim_public |
|
*/ |
|
|
|
void |
|
bfa_itnim_iodone(struct bfa_itnim_s *itnim) |
|
{ |
|
bfa_wc_down(&itnim->wc); |
|
} |
|
|
|
void |
|
bfa_itnim_tskdone(struct bfa_itnim_s *itnim) |
|
{ |
|
bfa_wc_down(&itnim->wc); |
|
} |
|
|
|
void |
|
bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) |
|
{ |
|
/* |
|
* ITN memory |
|
*/ |
|
*km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itnim_s); |
|
} |
|
|
|
void |
|
bfa_itnim_attach(struct bfa_fcpim_s *fcpim) |
|
{ |
|
struct bfa_s *bfa = fcpim->bfa; |
|
struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
|
struct bfa_itnim_s *itnim; |
|
int i, j; |
|
|
|
INIT_LIST_HEAD(&fcpim->itnim_q); |
|
|
|
itnim = (struct bfa_itnim_s *) bfa_mem_kva_curp(fcp); |
|
fcpim->itnim_arr = itnim; |
|
|
|
for (i = 0; i < fcpim->num_itnims; i++, itnim++) { |
|
memset(itnim, 0, sizeof(struct bfa_itnim_s)); |
|
itnim->bfa = bfa; |
|
itnim->fcpim = fcpim; |
|
itnim->reqq = BFA_REQQ_QOS_LO; |
|
itnim->rport = BFA_RPORT_FROM_TAG(bfa, i); |
|
itnim->iotov_active = BFA_FALSE; |
|
bfa_reqq_winit(&itnim->reqq_wait, bfa_itnim_qresume, itnim); |
|
|
|
INIT_LIST_HEAD(&itnim->io_q); |
|
INIT_LIST_HEAD(&itnim->io_cleanup_q); |
|
INIT_LIST_HEAD(&itnim->pending_q); |
|
INIT_LIST_HEAD(&itnim->tsk_q); |
|
INIT_LIST_HEAD(&itnim->delay_comp_q); |
|
for (j = 0; j < BFA_IOBUCKET_MAX; j++) |
|
itnim->ioprofile.io_latency.min[j] = ~0; |
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); |
|
} |
|
|
|
bfa_mem_kva_curp(fcp) = (u8 *) itnim; |
|
} |
|
|
|
void |
|
bfa_itnim_iocdisable(struct bfa_itnim_s *itnim) |
|
{ |
|
bfa_stats(itnim, ioc_disabled); |
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_HWFAIL); |
|
} |
|
|
|
static bfa_boolean_t |
|
bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim) |
|
{ |
|
struct bfi_itn_create_req_s *m; |
|
|
|
itnim->msg_no++; |
|
|
|
/* |
|
* check for room in queue to send request now |
|
*/ |
|
m = bfa_reqq_next(itnim->bfa, itnim->reqq); |
|
if (!m) { |
|
bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); |
|
return BFA_FALSE; |
|
} |
|
|
|
bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_CREATE_REQ, |
|
bfa_fn_lpu(itnim->bfa)); |
|
m->fw_handle = itnim->rport->fw_handle; |
|
m->class = FC_CLASS_3; |
|
m->seq_rec = itnim->seq_rec; |
|
m->msg_no = itnim->msg_no; |
|
bfa_stats(itnim, fw_create); |
|
|
|
/* |
|
* queue I/O message to firmware |
|
*/ |
|
bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh); |
|
return BFA_TRUE; |
|
} |
|
|
|
static bfa_boolean_t |
|
bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim) |
|
{ |
|
struct bfi_itn_delete_req_s *m; |
|
|
|
/* |
|
* check for room in queue to send request now |
|
*/ |
|
m = bfa_reqq_next(itnim->bfa, itnim->reqq); |
|
if (!m) { |
|
bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); |
|
return BFA_FALSE; |
|
} |
|
|
|
bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_DELETE_REQ, |
|
bfa_fn_lpu(itnim->bfa)); |
|
m->fw_handle = itnim->rport->fw_handle; |
|
bfa_stats(itnim, fw_delete); |
|
|
|
/* |
|
* queue I/O message to firmware |
|
*/ |
|
bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh); |
|
return BFA_TRUE; |
|
} |
|
|
|
/* |
|
* Cleanup all pending failed inflight requests. |
|
*/ |
|
static void |
|
bfa_itnim_delayed_comp(struct bfa_itnim_s *itnim, bfa_boolean_t iotov) |
|
{ |
|
struct bfa_ioim_s *ioim; |
|
struct list_head *qe, *qen; |
|
|
|
list_for_each_safe(qe, qen, &itnim->delay_comp_q) { |
|
ioim = (struct bfa_ioim_s *)qe; |
|
bfa_ioim_delayed_comp(ioim, iotov); |
|
} |
|
} |
|
|
|
/* |
|
* Start all pending IO requests. |
|
*/ |
|
static void |
|
bfa_itnim_iotov_online(struct bfa_itnim_s *itnim) |
|
{ |
|
struct bfa_ioim_s *ioim; |
|
|
|
bfa_itnim_iotov_stop(itnim); |
|
|
|
/* |
|
* Abort all inflight IO requests in the queue |
|
*/ |
|
bfa_itnim_delayed_comp(itnim, BFA_FALSE); |
|
|
|
/* |
|
* Start all pending IO requests. |
|
*/ |
|
while (!list_empty(&itnim->pending_q)) { |
|
bfa_q_deq(&itnim->pending_q, &ioim); |
|
list_add_tail(&ioim->qe, &itnim->io_q); |
|
bfa_ioim_start(ioim); |
|
} |
|
} |
|
|
|
/* |
|
* Fail all pending IO requests |
|
*/ |
|
static void |
|
bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim) |
|
{ |
|
struct bfa_ioim_s *ioim; |
|
|
|
/* |
|
* Fail all inflight IO requests in the queue |
|
*/ |
|
bfa_itnim_delayed_comp(itnim, BFA_TRUE); |
|
|
|
/* |
|
* Fail any pending IO requests. |
|
*/ |
|
while (!list_empty(&itnim->pending_q)) { |
|
bfa_q_deq(&itnim->pending_q, &ioim); |
|
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); |
|
bfa_ioim_tov(ioim); |
|
} |
|
} |
|
|
|
/* |
|
* IO TOV timer callback. Fail any pending IO requests. |
|
*/ |
|
static void |
|
bfa_itnim_iotov(void *itnim_arg) |
|
{ |
|
struct bfa_itnim_s *itnim = itnim_arg; |
|
|
|
itnim->iotov_active = BFA_FALSE; |
|
|
|
bfa_cb_itnim_tov_begin(itnim->ditn); |
|
bfa_itnim_iotov_cleanup(itnim); |
|
bfa_cb_itnim_tov(itnim->ditn); |
|
} |
|
|
|
/* |
|
* Start IO TOV timer for failing back pending IO requests in offline state. |
|
*/ |
|
static void |
|
bfa_itnim_iotov_start(struct bfa_itnim_s *itnim) |
|
{ |
|
if (itnim->fcpim->path_tov > 0) { |
|
|
|
itnim->iotov_active = BFA_TRUE; |
|
WARN_ON(!bfa_itnim_hold_io(itnim)); |
|
bfa_timer_start(itnim->bfa, &itnim->timer, |
|
bfa_itnim_iotov, itnim, itnim->fcpim->path_tov); |
|
} |
|
} |
|
|
|
/* |
|
* Stop IO TOV timer. |
|
*/ |
|
static void |
|
bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim) |
|
{ |
|
if (itnim->iotov_active) { |
|
itnim->iotov_active = BFA_FALSE; |
|
bfa_timer_stop(&itnim->timer); |
|
} |
|
} |
|
|
|
/* |
|
* Stop IO TOV timer. |
|
*/ |
|
static void |
|
bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim) |
|
{ |
|
bfa_boolean_t pathtov_active = BFA_FALSE; |
|
|
|
if (itnim->iotov_active) |
|
pathtov_active = BFA_TRUE; |
|
|
|
bfa_itnim_iotov_stop(itnim); |
|
if (pathtov_active) |
|
bfa_cb_itnim_tov_begin(itnim->ditn); |
|
bfa_itnim_iotov_cleanup(itnim); |
|
if (pathtov_active) |
|
bfa_cb_itnim_tov(itnim->ditn); |
|
} |
|
|
|
static void |
|
bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(itnim->bfa); |
|
fcpim->del_itn_stats.del_itn_iocomp_aborted += |
|
itnim->stats.iocomp_aborted; |
|
fcpim->del_itn_stats.del_itn_iocomp_timedout += |
|
itnim->stats.iocomp_timedout; |
|
fcpim->del_itn_stats.del_itn_iocom_sqer_needed += |
|
itnim->stats.iocom_sqer_needed; |
|
fcpim->del_itn_stats.del_itn_iocom_res_free += |
|
itnim->stats.iocom_res_free; |
|
fcpim->del_itn_stats.del_itn_iocom_hostabrts += |
|
itnim->stats.iocom_hostabrts; |
|
fcpim->del_itn_stats.del_itn_total_ios += itnim->stats.total_ios; |
|
fcpim->del_itn_stats.del_io_iocdowns += itnim->stats.io_iocdowns; |
|
fcpim->del_itn_stats.del_tm_iocdowns += itnim->stats.tm_iocdowns; |
|
} |
|
|
|
/* |
|
* bfa_itnim_public |
|
*/ |
|
|
|
/* |
|
* Itnim interrupt processing. |
|
*/ |
|
void |
|
bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
union bfi_itn_i2h_msg_u msg; |
|
struct bfa_itnim_s *itnim; |
|
|
|
bfa_trc(bfa, m->mhdr.msg_id); |
|
|
|
msg.msg = m; |
|
|
|
switch (m->mhdr.msg_id) { |
|
case BFI_ITN_I2H_CREATE_RSP: |
|
itnim = BFA_ITNIM_FROM_TAG(fcpim, |
|
msg.create_rsp->bfa_handle); |
|
WARN_ON(msg.create_rsp->status != BFA_STATUS_OK); |
|
bfa_stats(itnim, create_comps); |
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); |
|
break; |
|
|
|
case BFI_ITN_I2H_DELETE_RSP: |
|
itnim = BFA_ITNIM_FROM_TAG(fcpim, |
|
msg.delete_rsp->bfa_handle); |
|
WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK); |
|
bfa_stats(itnim, delete_comps); |
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); |
|
break; |
|
|
|
case BFI_ITN_I2H_SLER_EVENT: |
|
itnim = BFA_ITNIM_FROM_TAG(fcpim, |
|
msg.sler_event->bfa_handle); |
|
bfa_stats(itnim, sler_events); |
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_SLER); |
|
break; |
|
|
|
default: |
|
bfa_trc(bfa, m->mhdr.msg_id); |
|
WARN_ON(1); |
|
} |
|
} |
|
|
|
/* |
|
* bfa_itnim_api |
|
*/ |
|
|
|
struct bfa_itnim_s * |
|
bfa_itnim_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void *ditn) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
struct bfa_itnim_s *itnim; |
|
|
|
bfa_itn_create(bfa, rport, bfa_itnim_isr); |
|
|
|
itnim = BFA_ITNIM_FROM_TAG(fcpim, rport->rport_tag); |
|
WARN_ON(itnim->rport != rport); |
|
|
|
itnim->ditn = ditn; |
|
|
|
bfa_stats(itnim, creates); |
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_CREATE); |
|
|
|
return itnim; |
|
} |
|
|
|
void |
|
bfa_itnim_delete(struct bfa_itnim_s *itnim) |
|
{ |
|
bfa_stats(itnim, deletes); |
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_DELETE); |
|
} |
|
|
|
void |
|
bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec) |
|
{ |
|
itnim->seq_rec = seq_rec; |
|
bfa_stats(itnim, onlines); |
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_ONLINE); |
|
} |
|
|
|
void |
|
bfa_itnim_offline(struct bfa_itnim_s *itnim) |
|
{ |
|
bfa_stats(itnim, offlines); |
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_OFFLINE); |
|
} |
|
|
|
/* |
|
* Return true if itnim is considered offline for holding off IO request. |
|
* IO is not held if itnim is being deleted. |
|
*/ |
|
bfa_boolean_t |
|
bfa_itnim_hold_io(struct bfa_itnim_s *itnim) |
|
{ |
|
return itnim->fcpim->path_tov && itnim->iotov_active && |
|
(bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwcreate) || |
|
bfa_sm_cmp_state(itnim, bfa_itnim_sm_sler) || |
|
bfa_sm_cmp_state(itnim, bfa_itnim_sm_cleanup_offline) || |
|
bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwdelete) || |
|
bfa_sm_cmp_state(itnim, bfa_itnim_sm_offline) || |
|
bfa_sm_cmp_state(itnim, bfa_itnim_sm_iocdisable)); |
|
} |
|
|
|
#define bfa_io_lat_clock_res_div HZ |
|
#define bfa_io_lat_clock_res_mul 1000 |
|
bfa_status_t |
|
bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim, |
|
struct bfa_itnim_ioprofile_s *ioprofile) |
|
{ |
|
struct bfa_fcpim_s *fcpim; |
|
|
|
if (!itnim) |
|
return BFA_STATUS_NO_FCPIM_NEXUS; |
|
|
|
fcpim = BFA_FCPIM(itnim->bfa); |
|
|
|
if (!fcpim->io_profile) |
|
return BFA_STATUS_IOPROFILE_OFF; |
|
|
|
itnim->ioprofile.index = BFA_IOBUCKET_MAX; |
|
/* unsigned 32-bit time_t overflow here in y2106 */ |
|
itnim->ioprofile.io_profile_start_time = |
|
bfa_io_profile_start_time(itnim->bfa); |
|
itnim->ioprofile.clock_res_mul = bfa_io_lat_clock_res_mul; |
|
itnim->ioprofile.clock_res_div = bfa_io_lat_clock_res_div; |
|
*ioprofile = itnim->ioprofile; |
|
|
|
return BFA_STATUS_OK; |
|
} |
|
|
|
void |
|
bfa_itnim_clear_stats(struct bfa_itnim_s *itnim) |
|
{ |
|
int j; |
|
|
|
if (!itnim) |
|
return; |
|
|
|
memset(&itnim->stats, 0, sizeof(itnim->stats)); |
|
memset(&itnim->ioprofile, 0, sizeof(itnim->ioprofile)); |
|
for (j = 0; j < BFA_IOBUCKET_MAX; j++) |
|
itnim->ioprofile.io_latency.min[j] = ~0; |
|
} |
|
|
|
/* |
|
* BFA IO module state machine functions |
|
*/ |
|
|
|
/* |
|
* IO is not started (unallocated). |
|
*/ |
|
static void |
|
bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
switch (event) { |
|
case BFA_IOIM_SM_START: |
|
if (!bfa_itnim_is_online(ioim->itnim)) { |
|
if (!bfa_itnim_hold_io(ioim->itnim)) { |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
list_del(&ioim->qe); |
|
list_add_tail(&ioim->qe, |
|
&ioim->fcpim->ioim_comp_q); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, |
|
__bfa_cb_ioim_pathtov, ioim); |
|
} else { |
|
list_del(&ioim->qe); |
|
list_add_tail(&ioim->qe, |
|
&ioim->itnim->pending_q); |
|
} |
|
break; |
|
} |
|
|
|
if (ioim->nsges > BFI_SGE_INLINE) { |
|
if (!bfa_ioim_sgpg_alloc(ioim)) { |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_sgalloc); |
|
return; |
|
} |
|
} |
|
|
|
if (!bfa_ioim_send_ioreq(ioim)) { |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); |
|
break; |
|
} |
|
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_active); |
|
break; |
|
|
|
case BFA_IOIM_SM_IOTOV: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, |
|
__bfa_cb_ioim_pathtov, ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT: |
|
/* |
|
* IO in pending queue can get abort requests. Complete abort |
|
* requests immediately. |
|
*/ |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
WARN_ON(!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim)); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, |
|
__bfa_cb_ioim_abort, ioim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* IO is waiting for SG pages. |
|
*/ |
|
static void |
|
bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_trc(ioim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_IOIM_SM_SGALLOCED: |
|
if (!bfa_ioim_send_ioreq(ioim)) { |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); |
|
break; |
|
} |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_active); |
|
break; |
|
|
|
case BFA_IOIM_SM_CLEANUP: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, |
|
ioim); |
|
bfa_ioim_notify_cleanup(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, |
|
ioim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* IO is active. |
|
*/ |
|
static void |
|
bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
switch (event) { |
|
case BFA_IOIM_SM_COMP_GOOD: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, |
|
__bfa_cb_ioim_good_comp, ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_COMP: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_DONE: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT: |
|
ioim->iosp->abort_explicit = BFA_TRUE; |
|
ioim->io_cbfn = __bfa_cb_ioim_abort; |
|
|
|
if (bfa_ioim_send_abort(ioim)) |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_abort); |
|
else { |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull); |
|
bfa_stats(ioim->itnim, qwait); |
|
bfa_reqq_wait(ioim->bfa, ioim->reqq, |
|
&ioim->iosp->reqq_wait); |
|
} |
|
break; |
|
|
|
case BFA_IOIM_SM_CLEANUP: |
|
ioim->iosp->abort_explicit = BFA_FALSE; |
|
ioim->io_cbfn = __bfa_cb_ioim_failed; |
|
|
|
if (bfa_ioim_send_abort(ioim)) |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); |
|
else { |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); |
|
bfa_stats(ioim->itnim, qwait); |
|
bfa_reqq_wait(ioim->bfa, ioim->reqq, |
|
&ioim->iosp->reqq_wait); |
|
} |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_SQRETRY: |
|
if (bfa_ioim_maxretry_reached(ioim)) { |
|
/* max retry reached, free IO */ |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, |
|
__bfa_cb_ioim_failed, ioim); |
|
break; |
|
} |
|
/* waiting for IO tag resource free */ |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cmnd_retry); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* IO is retried with new tag. |
|
*/ |
|
static void |
|
bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
switch (event) { |
|
case BFA_IOIM_SM_FREE: |
|
/* abts and rrq done. Now retry the IO with new tag */ |
|
bfa_ioim_update_iotag(ioim); |
|
if (!bfa_ioim_send_ioreq(ioim)) { |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); |
|
break; |
|
} |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_active); |
|
break; |
|
|
|
case BFA_IOIM_SM_CLEANUP: |
|
ioim->iosp->abort_explicit = BFA_FALSE; |
|
ioim->io_cbfn = __bfa_cb_ioim_failed; |
|
|
|
if (bfa_ioim_send_abort(ioim)) |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); |
|
else { |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); |
|
bfa_stats(ioim->itnim, qwait); |
|
bfa_reqq_wait(ioim->bfa, ioim->reqq, |
|
&ioim->iosp->reqq_wait); |
|
} |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, |
|
__bfa_cb_ioim_failed, ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT: |
|
/* in this state IO abort is done. |
|
* Waiting for IO tag resource free. |
|
*/ |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, |
|
ioim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* IO is being aborted, waiting for completion from firmware. |
|
*/ |
|
static void |
|
bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_trc(ioim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_IOIM_SM_COMP_GOOD: |
|
case BFA_IOIM_SM_COMP: |
|
case BFA_IOIM_SM_DONE: |
|
case BFA_IOIM_SM_FREE: |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT_DONE: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT_COMP: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_COMP_UTAG: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_CLEANUP: |
|
WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE); |
|
ioim->iosp->abort_explicit = BFA_FALSE; |
|
|
|
if (bfa_ioim_send_abort(ioim)) |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); |
|
else { |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); |
|
bfa_stats(ioim->itnim, qwait); |
|
bfa_reqq_wait(ioim->bfa, ioim->reqq, |
|
&ioim->iosp->reqq_wait); |
|
} |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, |
|
ioim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* IO is being cleaned up (implicit abort), waiting for completion from |
|
* firmware. |
|
*/ |
|
static void |
|
bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_trc(ioim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_IOIM_SM_COMP_GOOD: |
|
case BFA_IOIM_SM_COMP: |
|
case BFA_IOIM_SM_DONE: |
|
case BFA_IOIM_SM_FREE: |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT: |
|
/* |
|
* IO is already being aborted implicitly |
|
*/ |
|
ioim->io_cbfn = __bfa_cb_ioim_abort; |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT_DONE: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); |
|
bfa_ioim_notify_cleanup(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT_COMP: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); |
|
bfa_ioim_notify_cleanup(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_COMP_UTAG: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); |
|
bfa_ioim_notify_cleanup(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_CLEANUP: |
|
/* |
|
* IO can be in cleanup state already due to TM command. |
|
* 2nd cleanup request comes from ITN offline event. |
|
*/ |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* IO is waiting for room in request CQ |
|
*/ |
|
static void |
|
bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_trc(ioim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_IOIM_SM_QRESUME: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_active); |
|
bfa_ioim_send_ioreq(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_CLEANUP: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, |
|
ioim); |
|
bfa_ioim_notify_cleanup(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, |
|
ioim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Active IO is being aborted, waiting for room in request CQ. |
|
*/ |
|
static void |
|
bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_trc(ioim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_IOIM_SM_QRESUME: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_abort); |
|
bfa_ioim_send_abort(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_CLEANUP: |
|
WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE); |
|
ioim->iosp->abort_explicit = BFA_FALSE; |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); |
|
break; |
|
|
|
case BFA_IOIM_SM_COMP_GOOD: |
|
case BFA_IOIM_SM_COMP: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_DONE: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, |
|
ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, |
|
ioim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Active IO is being cleaned up, waiting for room in request CQ. |
|
*/ |
|
static void |
|
bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_trc(ioim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_IOIM_SM_QRESUME: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); |
|
bfa_ioim_send_abort(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_ABORT: |
|
/* |
|
* IO is already being cleaned up implicitly |
|
*/ |
|
ioim->io_cbfn = __bfa_cb_ioim_abort; |
|
break; |
|
|
|
case BFA_IOIM_SM_COMP_GOOD: |
|
case BFA_IOIM_SM_COMP: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); |
|
bfa_ioim_notify_cleanup(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_DONE: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); |
|
bfa_ioim_notify_cleanup(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait); |
|
bfa_ioim_move_to_comp_q(ioim); |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, |
|
ioim); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* IO bfa callback is pending. |
|
*/ |
|
static void |
|
bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
switch (event) { |
|
case BFA_IOIM_SM_HCB: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); |
|
bfa_ioim_free(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_CLEANUP: |
|
bfa_ioim_notify_cleanup(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* IO bfa callback is pending. IO resource cannot be freed. |
|
*/ |
|
static void |
|
bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_trc(ioim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_IOIM_SM_HCB: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_resfree); |
|
list_del(&ioim->qe); |
|
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_resfree_q); |
|
break; |
|
|
|
case BFA_IOIM_SM_FREE: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
break; |
|
|
|
case BFA_IOIM_SM_CLEANUP: |
|
bfa_ioim_notify_cleanup(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* IO is completed, waiting resource free from firmware. |
|
*/ |
|
static void |
|
bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_trc(ioim->bfa, event); |
|
|
|
switch (event) { |
|
case BFA_IOIM_SM_FREE: |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); |
|
bfa_ioim_free(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_CLEANUP: |
|
bfa_ioim_notify_cleanup(ioim); |
|
break; |
|
|
|
case BFA_IOIM_SM_HWFAIL: |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(ioim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* This is called from bfa_fcpim_start after the bfa_init() with flash read |
|
* is complete by driver. now invalidate the stale content of lun mask |
|
* like unit attention, rp tag and lp tag. |
|
*/ |
|
void |
|
bfa_ioim_lm_init(struct bfa_s *bfa) |
|
{ |
|
struct bfa_lun_mask_s *lunm_list; |
|
int i; |
|
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) |
|
return; |
|
|
|
lunm_list = bfa_get_lun_mask_list(bfa); |
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) { |
|
lunm_list[i].ua = BFA_IOIM_LM_UA_RESET; |
|
lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; |
|
lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; |
|
} |
|
} |
|
|
|
static void |
|
__bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete) |
|
{ |
|
struct bfa_ioim_s *ioim = cbarg; |
|
|
|
if (!complete) { |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); |
|
return; |
|
} |
|
|
|
bfa_cb_ioim_good_comp(ioim->bfa->bfad, ioim->dio); |
|
} |
|
|
|
static void |
|
__bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete) |
|
{ |
|
struct bfa_ioim_s *ioim = cbarg; |
|
struct bfi_ioim_rsp_s *m; |
|
u8 *snsinfo = NULL; |
|
u8 sns_len = 0; |
|
s32 residue = 0; |
|
|
|
if (!complete) { |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); |
|
return; |
|
} |
|
|
|
m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg; |
|
if (m->io_status == BFI_IOIM_STS_OK) { |
|
/* |
|
* setup sense information, if present |
|
*/ |
|
if ((m->scsi_status == SAM_STAT_CHECK_CONDITION) && |
|
m->sns_len) { |
|
sns_len = m->sns_len; |
|
snsinfo = BFA_SNSINFO_FROM_TAG(ioim->fcpim->fcp, |
|
ioim->iotag); |
|
} |
|
|
|
/* |
|
* setup residue value correctly for normal completions |
|
*/ |
|
if (m->resid_flags == FCP_RESID_UNDER) { |
|
residue = be32_to_cpu(m->residue); |
|
bfa_stats(ioim->itnim, iocomp_underrun); |
|
} |
|
if (m->resid_flags == FCP_RESID_OVER) { |
|
residue = be32_to_cpu(m->residue); |
|
residue = -residue; |
|
bfa_stats(ioim->itnim, iocomp_overrun); |
|
} |
|
} |
|
|
|
bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, m->io_status, |
|
m->scsi_status, sns_len, snsinfo, residue); |
|
} |
|
|
|
void |
|
bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, wwn_t rp_wwn, |
|
u16 rp_tag, u8 lp_tag) |
|
{ |
|
struct bfa_lun_mask_s *lun_list; |
|
u8 i; |
|
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) |
|
return; |
|
|
|
lun_list = bfa_get_lun_mask_list(bfa); |
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) { |
|
if (lun_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { |
|
if ((lun_list[i].lp_wwn == lp_wwn) && |
|
(lun_list[i].rp_wwn == rp_wwn)) { |
|
lun_list[i].rp_tag = rp_tag; |
|
lun_list[i].lp_tag = lp_tag; |
|
} |
|
} |
|
} |
|
} |
|
|
|
/* |
|
* set UA for all active luns in LM DB |
|
*/ |
|
static void |
|
bfa_ioim_lm_set_ua(struct bfa_s *bfa) |
|
{ |
|
struct bfa_lun_mask_s *lunm_list; |
|
int i; |
|
|
|
lunm_list = bfa_get_lun_mask_list(bfa); |
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) { |
|
if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) |
|
continue; |
|
lunm_list[i].ua = BFA_IOIM_LM_UA_SET; |
|
} |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_lunmask_update(struct bfa_s *bfa, u32 update) |
|
{ |
|
struct bfa_lunmask_cfg_s *lun_mask; |
|
|
|
bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); |
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) |
|
return BFA_STATUS_FAILED; |
|
|
|
if (bfa_get_lun_mask_status(bfa) == update) |
|
return BFA_STATUS_NO_CHANGE; |
|
|
|
lun_mask = bfa_get_lun_mask(bfa); |
|
lun_mask->status = update; |
|
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_ENABLED) |
|
bfa_ioim_lm_set_ua(bfa); |
|
|
|
return bfa_dconf_update(bfa); |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_lunmask_clear(struct bfa_s *bfa) |
|
{ |
|
int i; |
|
struct bfa_lun_mask_s *lunm_list; |
|
|
|
bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); |
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) |
|
return BFA_STATUS_FAILED; |
|
|
|
lunm_list = bfa_get_lun_mask_list(bfa); |
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) { |
|
if (lunm_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { |
|
if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) |
|
bfa_rport_unset_lunmask(bfa, |
|
BFA_RPORT_FROM_TAG(bfa, lunm_list[i].rp_tag)); |
|
} |
|
} |
|
|
|
memset(lunm_list, 0, sizeof(struct bfa_lun_mask_s) * MAX_LUN_MASK_CFG); |
|
return bfa_dconf_update(bfa); |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_lunmask_query(struct bfa_s *bfa, void *buf) |
|
{ |
|
struct bfa_lunmask_cfg_s *lun_mask; |
|
|
|
bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); |
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) |
|
return BFA_STATUS_FAILED; |
|
|
|
lun_mask = bfa_get_lun_mask(bfa); |
|
memcpy(buf, lun_mask, sizeof(struct bfa_lunmask_cfg_s)); |
|
return BFA_STATUS_OK; |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, |
|
wwn_t rpwwn, struct scsi_lun lun) |
|
{ |
|
struct bfa_lun_mask_s *lunm_list; |
|
struct bfa_rport_s *rp = NULL; |
|
int i, free_index = MAX_LUN_MASK_CFG + 1; |
|
struct bfa_fcs_lport_s *port = NULL; |
|
struct bfa_fcs_rport_s *rp_fcs; |
|
|
|
bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); |
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) |
|
return BFA_STATUS_FAILED; |
|
|
|
port = bfa_fcs_lookup_port(&((struct bfad_s *)bfa->bfad)->bfa_fcs, |
|
vf_id, *pwwn); |
|
if (port) { |
|
*pwwn = port->port_cfg.pwwn; |
|
rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); |
|
if (rp_fcs) |
|
rp = rp_fcs->bfa_rport; |
|
} |
|
|
|
lunm_list = bfa_get_lun_mask_list(bfa); |
|
/* if entry exists */ |
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) { |
|
if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) |
|
free_index = i; |
|
if ((lunm_list[i].lp_wwn == *pwwn) && |
|
(lunm_list[i].rp_wwn == rpwwn) && |
|
(scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) == |
|
scsilun_to_int((struct scsi_lun *)&lun))) |
|
return BFA_STATUS_ENTRY_EXISTS; |
|
} |
|
|
|
if (free_index > MAX_LUN_MASK_CFG) |
|
return BFA_STATUS_MAX_ENTRY_REACHED; |
|
|
|
if (rp) { |
|
lunm_list[free_index].lp_tag = bfa_lps_get_tag_from_pid(bfa, |
|
rp->rport_info.local_pid); |
|
lunm_list[free_index].rp_tag = rp->rport_tag; |
|
} else { |
|
lunm_list[free_index].lp_tag = BFA_LP_TAG_INVALID; |
|
lunm_list[free_index].rp_tag = BFA_RPORT_TAG_INVALID; |
|
} |
|
|
|
lunm_list[free_index].lp_wwn = *pwwn; |
|
lunm_list[free_index].rp_wwn = rpwwn; |
|
lunm_list[free_index].lun = lun; |
|
lunm_list[free_index].state = BFA_IOIM_LUN_MASK_ACTIVE; |
|
|
|
/* set for all luns in this rp */ |
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) { |
|
if ((lunm_list[i].lp_wwn == *pwwn) && |
|
(lunm_list[i].rp_wwn == rpwwn)) |
|
lunm_list[i].ua = BFA_IOIM_LM_UA_SET; |
|
} |
|
|
|
return bfa_dconf_update(bfa); |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, |
|
wwn_t rpwwn, struct scsi_lun lun) |
|
{ |
|
struct bfa_lun_mask_s *lunm_list; |
|
struct bfa_fcs_lport_s *port = NULL; |
|
int i; |
|
|
|
/* in min cfg lunm_list could be NULL but no commands should run. */ |
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) |
|
return BFA_STATUS_FAILED; |
|
|
|
bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); |
|
bfa_trc(bfa, *pwwn); |
|
bfa_trc(bfa, rpwwn); |
|
bfa_trc(bfa, scsilun_to_int((struct scsi_lun *)&lun)); |
|
|
|
if (*pwwn == 0) { |
|
port = bfa_fcs_lookup_port( |
|
&((struct bfad_s *)bfa->bfad)->bfa_fcs, |
|
vf_id, *pwwn); |
|
if (port) |
|
*pwwn = port->port_cfg.pwwn; |
|
} |
|
|
|
lunm_list = bfa_get_lun_mask_list(bfa); |
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) { |
|
if ((lunm_list[i].lp_wwn == *pwwn) && |
|
(lunm_list[i].rp_wwn == rpwwn) && |
|
(scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) == |
|
scsilun_to_int((struct scsi_lun *)&lun))) { |
|
lunm_list[i].lp_wwn = 0; |
|
lunm_list[i].rp_wwn = 0; |
|
int_to_scsilun(0, &lunm_list[i].lun); |
|
lunm_list[i].state = BFA_IOIM_LUN_MASK_INACTIVE; |
|
if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) { |
|
lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; |
|
lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; |
|
} |
|
return bfa_dconf_update(bfa); |
|
} |
|
} |
|
|
|
/* set for all luns in this rp */ |
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) { |
|
if ((lunm_list[i].lp_wwn == *pwwn) && |
|
(lunm_list[i].rp_wwn == rpwwn)) |
|
lunm_list[i].ua = BFA_IOIM_LM_UA_SET; |
|
} |
|
|
|
return BFA_STATUS_ENTRY_NOT_EXISTS; |
|
} |
|
|
|
static void |
|
__bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete) |
|
{ |
|
struct bfa_ioim_s *ioim = cbarg; |
|
|
|
if (!complete) { |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); |
|
return; |
|
} |
|
|
|
bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED, |
|
0, 0, NULL, 0); |
|
} |
|
|
|
static void |
|
__bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete) |
|
{ |
|
struct bfa_ioim_s *ioim = cbarg; |
|
|
|
bfa_stats(ioim->itnim, path_tov_expired); |
|
if (!complete) { |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); |
|
return; |
|
} |
|
|
|
bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV, |
|
0, 0, NULL, 0); |
|
} |
|
|
|
static void |
|
__bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete) |
|
{ |
|
struct bfa_ioim_s *ioim = cbarg; |
|
|
|
if (!complete) { |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); |
|
return; |
|
} |
|
|
|
bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio); |
|
} |
|
|
|
static void |
|
bfa_ioim_sgpg_alloced(void *cbarg) |
|
{ |
|
struct bfa_ioim_s *ioim = cbarg; |
|
|
|
ioim->nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); |
|
list_splice_tail_init(&ioim->iosp->sgpg_wqe.sgpg_q, &ioim->sgpg_q); |
|
ioim->sgpg = bfa_q_first(&ioim->sgpg_q); |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_SGALLOCED); |
|
} |
|
|
|
/* |
|
* Send I/O request to firmware. |
|
*/ |
|
static bfa_boolean_t |
|
bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim) |
|
{ |
|
struct bfa_itnim_s *itnim = ioim->itnim; |
|
struct bfi_ioim_req_s *m; |
|
static struct fcp_cmnd_s cmnd_z0 = { { { 0 } } }; |
|
struct bfi_sge_s *sge, *sgpge; |
|
u32 pgdlen = 0; |
|
u32 fcp_dl; |
|
u64 addr; |
|
struct scatterlist *sg; |
|
struct bfa_sgpg_s *sgpg; |
|
struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio; |
|
u32 i, sge_id, pgcumsz; |
|
enum dma_data_direction dmadir; |
|
|
|
/* |
|
* check for room in queue to send request now |
|
*/ |
|
m = bfa_reqq_next(ioim->bfa, ioim->reqq); |
|
if (!m) { |
|
bfa_stats(ioim->itnim, qwait); |
|
bfa_reqq_wait(ioim->bfa, ioim->reqq, |
|
&ioim->iosp->reqq_wait); |
|
return BFA_FALSE; |
|
} |
|
|
|
/* |
|
* build i/o request message next |
|
*/ |
|
m->io_tag = cpu_to_be16(ioim->iotag); |
|
m->rport_hdl = ioim->itnim->rport->fw_handle; |
|
m->io_timeout = 0; |
|
|
|
sge = &m->sges[0]; |
|
sgpg = ioim->sgpg; |
|
sge_id = 0; |
|
sgpge = NULL; |
|
pgcumsz = 0; |
|
scsi_for_each_sg(cmnd, sg, ioim->nsges, i) { |
|
if (i == 0) { |
|
/* build inline IO SG element */ |
|
addr = bfa_sgaddr_le(sg_dma_address(sg)); |
|
sge->sga = *(union bfi_addr_u *) &addr; |
|
pgdlen = sg_dma_len(sg); |
|
sge->sg_len = pgdlen; |
|
sge->flags = (ioim->nsges > BFI_SGE_INLINE) ? |
|
BFI_SGE_DATA_CPL : BFI_SGE_DATA_LAST; |
|
bfa_sge_to_be(sge); |
|
sge++; |
|
} else { |
|
if (sge_id == 0) |
|
sgpge = sgpg->sgpg->sges; |
|
|
|
addr = bfa_sgaddr_le(sg_dma_address(sg)); |
|
sgpge->sga = *(union bfi_addr_u *) &addr; |
|
sgpge->sg_len = sg_dma_len(sg); |
|
pgcumsz += sgpge->sg_len; |
|
|
|
/* set flags */ |
|
if (i < (ioim->nsges - 1) && |
|
sge_id < (BFI_SGPG_DATA_SGES - 1)) |
|
sgpge->flags = BFI_SGE_DATA; |
|
else if (i < (ioim->nsges - 1)) |
|
sgpge->flags = BFI_SGE_DATA_CPL; |
|
else |
|
sgpge->flags = BFI_SGE_DATA_LAST; |
|
|
|
bfa_sge_to_le(sgpge); |
|
|
|
sgpge++; |
|
if (i == (ioim->nsges - 1)) { |
|
sgpge->flags = BFI_SGE_PGDLEN; |
|
sgpge->sga.a32.addr_lo = 0; |
|
sgpge->sga.a32.addr_hi = 0; |
|
sgpge->sg_len = pgcumsz; |
|
bfa_sge_to_le(sgpge); |
|
} else if (++sge_id == BFI_SGPG_DATA_SGES) { |
|
sgpg = (struct bfa_sgpg_s *) bfa_q_next(sgpg); |
|
sgpge->flags = BFI_SGE_LINK; |
|
sgpge->sga = sgpg->sgpg_pa; |
|
sgpge->sg_len = pgcumsz; |
|
bfa_sge_to_le(sgpge); |
|
sge_id = 0; |
|
pgcumsz = 0; |
|
} |
|
} |
|
} |
|
|
|
if (ioim->nsges > BFI_SGE_INLINE) { |
|
sge->sga = ioim->sgpg->sgpg_pa; |
|
} else { |
|
sge->sga.a32.addr_lo = 0; |
|
sge->sga.a32.addr_hi = 0; |
|
} |
|
sge->sg_len = pgdlen; |
|
sge->flags = BFI_SGE_PGDLEN; |
|
bfa_sge_to_be(sge); |
|
|
|
/* |
|
* set up I/O command parameters |
|
*/ |
|
m->cmnd = cmnd_z0; |
|
int_to_scsilun(cmnd->device->lun, &m->cmnd.lun); |
|
dmadir = cmnd->sc_data_direction; |
|
if (dmadir == DMA_TO_DEVICE) |
|
m->cmnd.iodir = FCP_IODIR_WRITE; |
|
else if (dmadir == DMA_FROM_DEVICE) |
|
m->cmnd.iodir = FCP_IODIR_READ; |
|
else |
|
m->cmnd.iodir = FCP_IODIR_NONE; |
|
|
|
m->cmnd.cdb = *(struct scsi_cdb_s *) cmnd->cmnd; |
|
fcp_dl = scsi_bufflen(cmnd); |
|
m->cmnd.fcp_dl = cpu_to_be32(fcp_dl); |
|
|
|
/* |
|
* set up I/O message header |
|
*/ |
|
switch (m->cmnd.iodir) { |
|
case FCP_IODIR_READ: |
|
bfi_h2i_set(m->mh, BFI_MC_IOIM_READ, 0, bfa_fn_lpu(ioim->bfa)); |
|
bfa_stats(itnim, input_reqs); |
|
ioim->itnim->stats.rd_throughput += fcp_dl; |
|
break; |
|
case FCP_IODIR_WRITE: |
|
bfi_h2i_set(m->mh, BFI_MC_IOIM_WRITE, 0, bfa_fn_lpu(ioim->bfa)); |
|
bfa_stats(itnim, output_reqs); |
|
ioim->itnim->stats.wr_throughput += fcp_dl; |
|
break; |
|
case FCP_IODIR_RW: |
|
bfa_stats(itnim, input_reqs); |
|
bfa_stats(itnim, output_reqs); |
|
fallthrough; |
|
default: |
|
bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); |
|
} |
|
if (itnim->seq_rec || |
|
(scsi_bufflen(cmnd) & (sizeof(u32) - 1))) |
|
bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); |
|
|
|
/* |
|
* queue I/O message to firmware |
|
*/ |
|
bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh); |
|
return BFA_TRUE; |
|
} |
|
|
|
/* |
|
* Setup any additional SG pages needed.Inline SG element is setup |
|
* at queuing time. |
|
*/ |
|
static bfa_boolean_t |
|
bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim) |
|
{ |
|
u16 nsgpgs; |
|
|
|
WARN_ON(ioim->nsges <= BFI_SGE_INLINE); |
|
|
|
/* |
|
* allocate SG pages needed |
|
*/ |
|
nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); |
|
if (!nsgpgs) |
|
return BFA_TRUE; |
|
|
|
if (bfa_sgpg_malloc(ioim->bfa, &ioim->sgpg_q, nsgpgs) |
|
!= BFA_STATUS_OK) { |
|
bfa_sgpg_wait(ioim->bfa, &ioim->iosp->sgpg_wqe, nsgpgs); |
|
return BFA_FALSE; |
|
} |
|
|
|
ioim->nsgpgs = nsgpgs; |
|
ioim->sgpg = bfa_q_first(&ioim->sgpg_q); |
|
|
|
return BFA_TRUE; |
|
} |
|
|
|
/* |
|
* Send I/O abort request to firmware. |
|
*/ |
|
static bfa_boolean_t |
|
bfa_ioim_send_abort(struct bfa_ioim_s *ioim) |
|
{ |
|
struct bfi_ioim_abort_req_s *m; |
|
enum bfi_ioim_h2i msgop; |
|
|
|
/* |
|
* check for room in queue to send request now |
|
*/ |
|
m = bfa_reqq_next(ioim->bfa, ioim->reqq); |
|
if (!m) |
|
return BFA_FALSE; |
|
|
|
/* |
|
* build i/o request message next |
|
*/ |
|
if (ioim->iosp->abort_explicit) |
|
msgop = BFI_IOIM_H2I_IOABORT_REQ; |
|
else |
|
msgop = BFI_IOIM_H2I_IOCLEANUP_REQ; |
|
|
|
bfi_h2i_set(m->mh, BFI_MC_IOIM, msgop, bfa_fn_lpu(ioim->bfa)); |
|
m->io_tag = cpu_to_be16(ioim->iotag); |
|
m->abort_tag = ++ioim->abort_tag; |
|
|
|
/* |
|
* queue I/O message to firmware |
|
*/ |
|
bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh); |
|
return BFA_TRUE; |
|
} |
|
|
|
/* |
|
* Call to resume any I/O requests waiting for room in request queue. |
|
*/ |
|
static void |
|
bfa_ioim_qresume(void *cbarg) |
|
{ |
|
struct bfa_ioim_s *ioim = cbarg; |
|
|
|
bfa_stats(ioim->itnim, qresumes); |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_QRESUME); |
|
} |
|
|
|
|
|
static void |
|
bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim) |
|
{ |
|
/* |
|
* Move IO from itnim queue to fcpim global queue since itnim will be |
|
* freed. |
|
*/ |
|
list_del(&ioim->qe); |
|
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); |
|
|
|
if (!ioim->iosp->tskim) { |
|
if (ioim->fcpim->delay_comp && ioim->itnim->iotov_active) { |
|
bfa_cb_dequeue(&ioim->hcb_qe); |
|
list_del(&ioim->qe); |
|
list_add_tail(&ioim->qe, &ioim->itnim->delay_comp_q); |
|
} |
|
bfa_itnim_iodone(ioim->itnim); |
|
} else |
|
bfa_wc_down(&ioim->iosp->tskim->wc); |
|
} |
|
|
|
static bfa_boolean_t |
|
bfa_ioim_is_abortable(struct bfa_ioim_s *ioim) |
|
{ |
|
if ((bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit) && |
|
(!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim))) || |
|
(bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort)) || |
|
(bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort_qfull)) || |
|
(bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb)) || |
|
(bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb_free)) || |
|
(bfa_sm_cmp_state(ioim, bfa_ioim_sm_resfree))) |
|
return BFA_FALSE; |
|
|
|
return BFA_TRUE; |
|
} |
|
|
|
void |
|
bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov) |
|
{ |
|
/* |
|
* If path tov timer expired, failback with PATHTOV status - these |
|
* IO requests are not normally retried by IO stack. |
|
* |
|
* Otherwise device cameback online and fail it with normal failed |
|
* status so that IO stack retries these failed IO requests. |
|
*/ |
|
if (iotov) |
|
ioim->io_cbfn = __bfa_cb_ioim_pathtov; |
|
else { |
|
ioim->io_cbfn = __bfa_cb_ioim_failed; |
|
bfa_stats(ioim->itnim, iocom_nexus_abort); |
|
} |
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); |
|
|
|
/* |
|
* Move IO to fcpim global queue since itnim will be |
|
* freed. |
|
*/ |
|
list_del(&ioim->qe); |
|
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); |
|
} |
|
|
|
|
|
/* |
|
* Memory allocation and initialization. |
|
*/ |
|
void |
|
bfa_ioim_attach(struct bfa_fcpim_s *fcpim) |
|
{ |
|
struct bfa_ioim_s *ioim; |
|
struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
|
struct bfa_ioim_sp_s *iosp; |
|
u16 i; |
|
|
|
/* |
|
* claim memory first |
|
*/ |
|
ioim = (struct bfa_ioim_s *) bfa_mem_kva_curp(fcp); |
|
fcpim->ioim_arr = ioim; |
|
bfa_mem_kva_curp(fcp) = (u8 *) (ioim + fcpim->fcp->num_ioim_reqs); |
|
|
|
iosp = (struct bfa_ioim_sp_s *) bfa_mem_kva_curp(fcp); |
|
fcpim->ioim_sp_arr = iosp; |
|
bfa_mem_kva_curp(fcp) = (u8 *) (iosp + fcpim->fcp->num_ioim_reqs); |
|
|
|
/* |
|
* Initialize ioim free queues |
|
*/ |
|
INIT_LIST_HEAD(&fcpim->ioim_resfree_q); |
|
INIT_LIST_HEAD(&fcpim->ioim_comp_q); |
|
|
|
for (i = 0; i < fcpim->fcp->num_ioim_reqs; |
|
i++, ioim++, iosp++) { |
|
/* |
|
* initialize IOIM |
|
*/ |
|
memset(ioim, 0, sizeof(struct bfa_ioim_s)); |
|
ioim->iotag = i; |
|
ioim->bfa = fcpim->bfa; |
|
ioim->fcpim = fcpim; |
|
ioim->iosp = iosp; |
|
INIT_LIST_HEAD(&ioim->sgpg_q); |
|
bfa_reqq_winit(&ioim->iosp->reqq_wait, |
|
bfa_ioim_qresume, ioim); |
|
bfa_sgpg_winit(&ioim->iosp->sgpg_wqe, |
|
bfa_ioim_sgpg_alloced, ioim); |
|
bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); |
|
} |
|
} |
|
|
|
void |
|
bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; |
|
struct bfa_ioim_s *ioim; |
|
u16 iotag; |
|
enum bfa_ioim_event evt = BFA_IOIM_SM_COMP; |
|
|
|
iotag = be16_to_cpu(rsp->io_tag); |
|
|
|
ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); |
|
WARN_ON(ioim->iotag != iotag); |
|
|
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_trc(ioim->bfa, rsp->io_status); |
|
bfa_trc(ioim->bfa, rsp->reuse_io_tag); |
|
|
|
if (bfa_sm_cmp_state(ioim, bfa_ioim_sm_active)) |
|
ioim->iosp->comp_rspmsg = *m; |
|
|
|
switch (rsp->io_status) { |
|
case BFI_IOIM_STS_OK: |
|
bfa_stats(ioim->itnim, iocomp_ok); |
|
if (rsp->reuse_io_tag == 0) |
|
evt = BFA_IOIM_SM_DONE; |
|
else |
|
evt = BFA_IOIM_SM_COMP; |
|
break; |
|
|
|
case BFI_IOIM_STS_TIMEDOUT: |
|
bfa_stats(ioim->itnim, iocomp_timedout); |
|
fallthrough; |
|
case BFI_IOIM_STS_ABORTED: |
|
rsp->io_status = BFI_IOIM_STS_ABORTED; |
|
bfa_stats(ioim->itnim, iocomp_aborted); |
|
if (rsp->reuse_io_tag == 0) |
|
evt = BFA_IOIM_SM_DONE; |
|
else |
|
evt = BFA_IOIM_SM_COMP; |
|
break; |
|
|
|
case BFI_IOIM_STS_PROTO_ERR: |
|
bfa_stats(ioim->itnim, iocom_proto_err); |
|
WARN_ON(!rsp->reuse_io_tag); |
|
evt = BFA_IOIM_SM_COMP; |
|
break; |
|
|
|
case BFI_IOIM_STS_SQER_NEEDED: |
|
bfa_stats(ioim->itnim, iocom_sqer_needed); |
|
WARN_ON(rsp->reuse_io_tag != 0); |
|
evt = BFA_IOIM_SM_SQRETRY; |
|
break; |
|
|
|
case BFI_IOIM_STS_RES_FREE: |
|
bfa_stats(ioim->itnim, iocom_res_free); |
|
evt = BFA_IOIM_SM_FREE; |
|
break; |
|
|
|
case BFI_IOIM_STS_HOST_ABORTED: |
|
bfa_stats(ioim->itnim, iocom_hostabrts); |
|
if (rsp->abort_tag != ioim->abort_tag) { |
|
bfa_trc(ioim->bfa, rsp->abort_tag); |
|
bfa_trc(ioim->bfa, ioim->abort_tag); |
|
return; |
|
} |
|
|
|
if (rsp->reuse_io_tag) |
|
evt = BFA_IOIM_SM_ABORT_COMP; |
|
else |
|
evt = BFA_IOIM_SM_ABORT_DONE; |
|
break; |
|
|
|
case BFI_IOIM_STS_UTAG: |
|
bfa_stats(ioim->itnim, iocom_utags); |
|
evt = BFA_IOIM_SM_COMP_UTAG; |
|
break; |
|
|
|
default: |
|
WARN_ON(1); |
|
} |
|
|
|
bfa_sm_send_event(ioim, evt); |
|
} |
|
|
|
void |
|
bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *m) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; |
|
struct bfa_ioim_s *ioim; |
|
u16 iotag; |
|
|
|
iotag = be16_to_cpu(rsp->io_tag); |
|
|
|
ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); |
|
WARN_ON(ioim->iotag != iotag); |
|
|
|
bfa_ioim_cb_profile_comp(fcpim, ioim); |
|
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); |
|
} |
|
|
|
/* |
|
* Called by itnim to clean up IO while going offline. |
|
*/ |
|
void |
|
bfa_ioim_cleanup(struct bfa_ioim_s *ioim) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_stats(ioim->itnim, io_cleanups); |
|
|
|
ioim->iosp->tskim = NULL; |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); |
|
} |
|
|
|
void |
|
bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, struct bfa_tskim_s *tskim) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_stats(ioim->itnim, io_tmaborts); |
|
|
|
ioim->iosp->tskim = tskim; |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); |
|
} |
|
|
|
/* |
|
* IOC failure handling. |
|
*/ |
|
void |
|
bfa_ioim_iocdisable(struct bfa_ioim_s *ioim) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_stats(ioim->itnim, io_iocdowns); |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HWFAIL); |
|
} |
|
|
|
/* |
|
* IO offline TOV popped. Fail the pending IO. |
|
*/ |
|
void |
|
bfa_ioim_tov(struct bfa_ioim_s *ioim) |
|
{ |
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_IOTOV); |
|
} |
|
|
|
|
|
/* |
|
* Allocate IOIM resource for initiator mode I/O request. |
|
*/ |
|
struct bfa_ioim_s * |
|
bfa_ioim_alloc(struct bfa_s *bfa, struct bfad_ioim_s *dio, |
|
struct bfa_itnim_s *itnim, u16 nsges) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
struct bfa_ioim_s *ioim; |
|
struct bfa_iotag_s *iotag = NULL; |
|
|
|
/* |
|
* alocate IOIM resource |
|
*/ |
|
bfa_q_deq(&fcpim->fcp->iotag_ioim_free_q, &iotag); |
|
if (!iotag) { |
|
bfa_stats(itnim, no_iotags); |
|
return NULL; |
|
} |
|
|
|
ioim = BFA_IOIM_FROM_TAG(fcpim, iotag->tag); |
|
|
|
ioim->dio = dio; |
|
ioim->itnim = itnim; |
|
ioim->nsges = nsges; |
|
ioim->nsgpgs = 0; |
|
|
|
bfa_stats(itnim, total_ios); |
|
fcpim->ios_active++; |
|
|
|
list_add_tail(&ioim->qe, &itnim->io_q); |
|
|
|
return ioim; |
|
} |
|
|
|
void |
|
bfa_ioim_free(struct bfa_ioim_s *ioim) |
|
{ |
|
struct bfa_fcpim_s *fcpim = ioim->fcpim; |
|
struct bfa_iotag_s *iotag; |
|
|
|
if (ioim->nsgpgs > 0) |
|
bfa_sgpg_mfree(ioim->bfa, &ioim->sgpg_q, ioim->nsgpgs); |
|
|
|
bfa_stats(ioim->itnim, io_comps); |
|
fcpim->ios_active--; |
|
|
|
ioim->iotag &= BFA_IOIM_IOTAG_MASK; |
|
|
|
WARN_ON(!(ioim->iotag < |
|
(fcpim->fcp->num_ioim_reqs + fcpim->fcp->num_fwtio_reqs))); |
|
iotag = BFA_IOTAG_FROM_TAG(fcpim->fcp, ioim->iotag); |
|
|
|
if (ioim->iotag < fcpim->fcp->num_ioim_reqs) |
|
list_add_tail(&iotag->qe, &fcpim->fcp->iotag_ioim_free_q); |
|
else |
|
list_add_tail(&iotag->qe, &fcpim->fcp->iotag_tio_free_q); |
|
|
|
list_del(&ioim->qe); |
|
} |
|
|
|
void |
|
bfa_ioim_start(struct bfa_ioim_s *ioim) |
|
{ |
|
bfa_ioim_cb_profile_start(ioim->fcpim, ioim); |
|
|
|
/* |
|
* Obtain the queue over which this request has to be issued |
|
*/ |
|
ioim->reqq = bfa_fcpim_ioredirect_enabled(ioim->bfa) ? |
|
BFA_FALSE : bfa_itnim_get_reqq(ioim); |
|
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_START); |
|
} |
|
|
|
/* |
|
* Driver I/O abort request. |
|
*/ |
|
bfa_status_t |
|
bfa_ioim_abort(struct bfa_ioim_s *ioim) |
|
{ |
|
|
|
bfa_trc(ioim->bfa, ioim->iotag); |
|
|
|
if (!bfa_ioim_is_abortable(ioim)) |
|
return BFA_STATUS_FAILED; |
|
|
|
bfa_stats(ioim->itnim, io_aborts); |
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_ABORT); |
|
|
|
return BFA_STATUS_OK; |
|
} |
|
|
|
/* |
|
* BFA TSKIM state machine functions |
|
*/ |
|
|
|
/* |
|
* Task management command beginning state. |
|
*/ |
|
static void |
|
bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) |
|
{ |
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
|
|
|
switch (event) { |
|
case BFA_TSKIM_SM_START: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_active); |
|
bfa_tskim_gather_ios(tskim); |
|
|
|
/* |
|
* If device is offline, do not send TM on wire. Just cleanup |
|
* any pending IO requests and complete TM request. |
|
*/ |
|
if (!bfa_itnim_is_online(tskim->itnim)) { |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); |
|
tskim->tsk_status = BFI_TSKIM_STS_OK; |
|
bfa_tskim_cleanup_ios(tskim); |
|
return; |
|
} |
|
|
|
if (!bfa_tskim_send(tskim)) { |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_qfull); |
|
bfa_stats(tskim->itnim, tm_qwait); |
|
bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, |
|
&tskim->reqq_wait); |
|
} |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(tskim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* TM command is active, awaiting completion from firmware to |
|
* cleanup IO requests in TM scope. |
|
*/ |
|
static void |
|
bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) |
|
{ |
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
|
|
|
switch (event) { |
|
case BFA_TSKIM_SM_DONE: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); |
|
bfa_tskim_cleanup_ios(tskim); |
|
break; |
|
|
|
case BFA_TSKIM_SM_CLEANUP: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); |
|
if (!bfa_tskim_send_abort(tskim)) { |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup_qfull); |
|
bfa_stats(tskim->itnim, tm_qwait); |
|
bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, |
|
&tskim->reqq_wait); |
|
} |
|
break; |
|
|
|
case BFA_TSKIM_SM_HWFAIL: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); |
|
bfa_tskim_iocdisable_ios(tskim); |
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(tskim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* An active TM is being cleaned up since ITN is offline. Awaiting cleanup |
|
* completion event from firmware. |
|
*/ |
|
static void |
|
bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) |
|
{ |
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
|
|
|
switch (event) { |
|
case BFA_TSKIM_SM_DONE: |
|
/* |
|
* Ignore and wait for ABORT completion from firmware. |
|
*/ |
|
break; |
|
|
|
case BFA_TSKIM_SM_UTAG: |
|
case BFA_TSKIM_SM_CLEANUP_DONE: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); |
|
bfa_tskim_cleanup_ios(tskim); |
|
break; |
|
|
|
case BFA_TSKIM_SM_HWFAIL: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); |
|
bfa_tskim_iocdisable_ios(tskim); |
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(tskim->bfa, event); |
|
} |
|
} |
|
|
|
static void |
|
bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) |
|
{ |
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
|
|
|
switch (event) { |
|
case BFA_TSKIM_SM_IOS_DONE: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); |
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done); |
|
break; |
|
|
|
case BFA_TSKIM_SM_CLEANUP: |
|
/* |
|
* Ignore, TM command completed on wire. |
|
* Notify TM conmpletion on IO cleanup completion. |
|
*/ |
|
break; |
|
|
|
case BFA_TSKIM_SM_HWFAIL: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); |
|
bfa_tskim_iocdisable_ios(tskim); |
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(tskim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Task management command is waiting for room in request CQ |
|
*/ |
|
static void |
|
bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) |
|
{ |
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
|
|
|
switch (event) { |
|
case BFA_TSKIM_SM_QRESUME: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_active); |
|
bfa_tskim_send(tskim); |
|
break; |
|
|
|
case BFA_TSKIM_SM_CLEANUP: |
|
/* |
|
* No need to send TM on wire since ITN is offline. |
|
*/ |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); |
|
bfa_reqq_wcancel(&tskim->reqq_wait); |
|
bfa_tskim_cleanup_ios(tskim); |
|
break; |
|
|
|
case BFA_TSKIM_SM_HWFAIL: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); |
|
bfa_reqq_wcancel(&tskim->reqq_wait); |
|
bfa_tskim_iocdisable_ios(tskim); |
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(tskim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* Task management command is active, awaiting for room in request CQ |
|
* to send clean up request. |
|
*/ |
|
static void |
|
bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, |
|
enum bfa_tskim_event event) |
|
{ |
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
|
|
|
switch (event) { |
|
case BFA_TSKIM_SM_DONE: |
|
bfa_reqq_wcancel(&tskim->reqq_wait); |
|
fallthrough; |
|
case BFA_TSKIM_SM_QRESUME: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); |
|
bfa_tskim_send_abort(tskim); |
|
break; |
|
|
|
case BFA_TSKIM_SM_HWFAIL: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); |
|
bfa_reqq_wcancel(&tskim->reqq_wait); |
|
bfa_tskim_iocdisable_ios(tskim); |
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(tskim->bfa, event); |
|
} |
|
} |
|
|
|
/* |
|
* BFA callback is pending |
|
*/ |
|
static void |
|
bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) |
|
{ |
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
|
|
|
switch (event) { |
|
case BFA_TSKIM_SM_HCB: |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); |
|
bfa_tskim_free(tskim); |
|
break; |
|
|
|
case BFA_TSKIM_SM_CLEANUP: |
|
bfa_tskim_notify_comp(tskim); |
|
break; |
|
|
|
case BFA_TSKIM_SM_HWFAIL: |
|
break; |
|
|
|
default: |
|
bfa_sm_fault(tskim->bfa, event); |
|
} |
|
} |
|
|
|
static void |
|
__bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete) |
|
{ |
|
struct bfa_tskim_s *tskim = cbarg; |
|
|
|
if (!complete) { |
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); |
|
return; |
|
} |
|
|
|
bfa_stats(tskim->itnim, tm_success); |
|
bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status); |
|
} |
|
|
|
static void |
|
__bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete) |
|
{ |
|
struct bfa_tskim_s *tskim = cbarg; |
|
|
|
if (!complete) { |
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); |
|
return; |
|
} |
|
|
|
bfa_stats(tskim->itnim, tm_failures); |
|
bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, |
|
BFI_TSKIM_STS_FAILED); |
|
} |
|
|
|
static bfa_boolean_t |
|
bfa_tskim_match_scope(struct bfa_tskim_s *tskim, struct scsi_lun lun) |
|
{ |
|
switch (tskim->tm_cmnd) { |
|
case FCP_TM_TARGET_RESET: |
|
return BFA_TRUE; |
|
|
|
case FCP_TM_ABORT_TASK_SET: |
|
case FCP_TM_CLEAR_TASK_SET: |
|
case FCP_TM_LUN_RESET: |
|
case FCP_TM_CLEAR_ACA: |
|
return !memcmp(&tskim->lun, &lun, sizeof(lun)); |
|
|
|
default: |
|
WARN_ON(1); |
|
} |
|
|
|
return BFA_FALSE; |
|
} |
|
|
|
/* |
|
* Gather affected IO requests and task management commands. |
|
*/ |
|
static void |
|
bfa_tskim_gather_ios(struct bfa_tskim_s *tskim) |
|
{ |
|
struct bfa_itnim_s *itnim = tskim->itnim; |
|
struct bfa_ioim_s *ioim; |
|
struct list_head *qe, *qen; |
|
struct scsi_cmnd *cmnd; |
|
struct scsi_lun scsilun; |
|
|
|
INIT_LIST_HEAD(&tskim->io_q); |
|
|
|
/* |
|
* Gather any active IO requests first. |
|
*/ |
|
list_for_each_safe(qe, qen, &itnim->io_q) { |
|
ioim = (struct bfa_ioim_s *) qe; |
|
cmnd = (struct scsi_cmnd *) ioim->dio; |
|
int_to_scsilun(cmnd->device->lun, &scsilun); |
|
if (bfa_tskim_match_scope(tskim, scsilun)) { |
|
list_del(&ioim->qe); |
|
list_add_tail(&ioim->qe, &tskim->io_q); |
|
} |
|
} |
|
|
|
/* |
|
* Failback any pending IO requests immediately. |
|
*/ |
|
list_for_each_safe(qe, qen, &itnim->pending_q) { |
|
ioim = (struct bfa_ioim_s *) qe; |
|
cmnd = (struct scsi_cmnd *) ioim->dio; |
|
int_to_scsilun(cmnd->device->lun, &scsilun); |
|
if (bfa_tskim_match_scope(tskim, scsilun)) { |
|
list_del(&ioim->qe); |
|
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); |
|
bfa_ioim_tov(ioim); |
|
} |
|
} |
|
} |
|
|
|
/* |
|
* IO cleanup completion |
|
*/ |
|
static void |
|
bfa_tskim_cleanp_comp(void *tskim_cbarg) |
|
{ |
|
struct bfa_tskim_s *tskim = tskim_cbarg; |
|
|
|
bfa_stats(tskim->itnim, tm_io_comps); |
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE); |
|
} |
|
|
|
/* |
|
* Gather affected IO requests and task management commands. |
|
*/ |
|
static void |
|
bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim) |
|
{ |
|
struct bfa_ioim_s *ioim; |
|
struct list_head *qe, *qen; |
|
|
|
bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim); |
|
|
|
list_for_each_safe(qe, qen, &tskim->io_q) { |
|
ioim = (struct bfa_ioim_s *) qe; |
|
bfa_wc_up(&tskim->wc); |
|
bfa_ioim_cleanup_tm(ioim, tskim); |
|
} |
|
|
|
bfa_wc_wait(&tskim->wc); |
|
} |
|
|
|
/* |
|
* Send task management request to firmware. |
|
*/ |
|
static bfa_boolean_t |
|
bfa_tskim_send(struct bfa_tskim_s *tskim) |
|
{ |
|
struct bfa_itnim_s *itnim = tskim->itnim; |
|
struct bfi_tskim_req_s *m; |
|
|
|
/* |
|
* check for room in queue to send request now |
|
*/ |
|
m = bfa_reqq_next(tskim->bfa, itnim->reqq); |
|
if (!m) |
|
return BFA_FALSE; |
|
|
|
/* |
|
* build i/o request message next |
|
*/ |
|
bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ, |
|
bfa_fn_lpu(tskim->bfa)); |
|
|
|
m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
|
m->itn_fhdl = tskim->itnim->rport->fw_handle; |
|
m->t_secs = tskim->tsecs; |
|
m->lun = tskim->lun; |
|
m->tm_flags = tskim->tm_cmnd; |
|
|
|
/* |
|
* queue I/O message to firmware |
|
*/ |
|
bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh); |
|
return BFA_TRUE; |
|
} |
|
|
|
/* |
|
* Send abort request to cleanup an active TM to firmware. |
|
*/ |
|
static bfa_boolean_t |
|
bfa_tskim_send_abort(struct bfa_tskim_s *tskim) |
|
{ |
|
struct bfa_itnim_s *itnim = tskim->itnim; |
|
struct bfi_tskim_abortreq_s *m; |
|
|
|
/* |
|
* check for room in queue to send request now |
|
*/ |
|
m = bfa_reqq_next(tskim->bfa, itnim->reqq); |
|
if (!m) |
|
return BFA_FALSE; |
|
|
|
/* |
|
* build i/o request message next |
|
*/ |
|
bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ, |
|
bfa_fn_lpu(tskim->bfa)); |
|
|
|
m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
|
|
|
/* |
|
* queue I/O message to firmware |
|
*/ |
|
bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh); |
|
return BFA_TRUE; |
|
} |
|
|
|
/* |
|
* Call to resume task management cmnd waiting for room in request queue. |
|
*/ |
|
static void |
|
bfa_tskim_qresume(void *cbarg) |
|
{ |
|
struct bfa_tskim_s *tskim = cbarg; |
|
|
|
bfa_stats(tskim->itnim, tm_qresumes); |
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME); |
|
} |
|
|
|
/* |
|
* Cleanup IOs associated with a task mangement command on IOC failures. |
|
*/ |
|
static void |
|
bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim) |
|
{ |
|
struct bfa_ioim_s *ioim; |
|
struct list_head *qe, *qen; |
|
|
|
list_for_each_safe(qe, qen, &tskim->io_q) { |
|
ioim = (struct bfa_ioim_s *) qe; |
|
bfa_ioim_iocdisable(ioim); |
|
} |
|
} |
|
|
|
/* |
|
* Notification on completions from related ioim. |
|
*/ |
|
void |
|
bfa_tskim_iodone(struct bfa_tskim_s *tskim) |
|
{ |
|
bfa_wc_down(&tskim->wc); |
|
} |
|
|
|
/* |
|
* Handle IOC h/w failure notification from itnim. |
|
*/ |
|
void |
|
bfa_tskim_iocdisable(struct bfa_tskim_s *tskim) |
|
{ |
|
tskim->notify = BFA_FALSE; |
|
bfa_stats(tskim->itnim, tm_iocdowns); |
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL); |
|
} |
|
|
|
/* |
|
* Cleanup TM command and associated IOs as part of ITNIM offline. |
|
*/ |
|
void |
|
bfa_tskim_cleanup(struct bfa_tskim_s *tskim) |
|
{ |
|
tskim->notify = BFA_TRUE; |
|
bfa_stats(tskim->itnim, tm_cleanups); |
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP); |
|
} |
|
|
|
/* |
|
* Memory allocation and initialization. |
|
*/ |
|
void |
|
bfa_tskim_attach(struct bfa_fcpim_s *fcpim) |
|
{ |
|
struct bfa_tskim_s *tskim; |
|
struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
|
u16 i; |
|
|
|
INIT_LIST_HEAD(&fcpim->tskim_free_q); |
|
INIT_LIST_HEAD(&fcpim->tskim_unused_q); |
|
|
|
tskim = (struct bfa_tskim_s *) bfa_mem_kva_curp(fcp); |
|
fcpim->tskim_arr = tskim; |
|
|
|
for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) { |
|
/* |
|
* initialize TSKIM |
|
*/ |
|
memset(tskim, 0, sizeof(struct bfa_tskim_s)); |
|
tskim->tsk_tag = i; |
|
tskim->bfa = fcpim->bfa; |
|
tskim->fcpim = fcpim; |
|
tskim->notify = BFA_FALSE; |
|
bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume, |
|
tskim); |
|
bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); |
|
|
|
list_add_tail(&tskim->qe, &fcpim->tskim_free_q); |
|
} |
|
|
|
bfa_mem_kva_curp(fcp) = (u8 *) tskim; |
|
} |
|
|
|
void |
|
bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m; |
|
struct bfa_tskim_s *tskim; |
|
u16 tsk_tag = be16_to_cpu(rsp->tsk_tag); |
|
|
|
tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag); |
|
WARN_ON(tskim->tsk_tag != tsk_tag); |
|
|
|
tskim->tsk_status = rsp->tsk_status; |
|
|
|
/* |
|
* Firmware sends BFI_TSKIM_STS_ABORTED status for abort |
|
* requests. All other statuses are for normal completions. |
|
*/ |
|
if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) { |
|
bfa_stats(tskim->itnim, tm_cleanup_comps); |
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE); |
|
} else if (rsp->tsk_status == BFI_TSKIM_STS_UTAG) { |
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_UTAG); |
|
} else { |
|
bfa_stats(tskim->itnim, tm_fw_rsps); |
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE); |
|
} |
|
} |
|
|
|
|
|
struct bfa_tskim_s * |
|
bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
struct bfa_tskim_s *tskim; |
|
|
|
bfa_q_deq(&fcpim->tskim_free_q, &tskim); |
|
|
|
if (tskim) |
|
tskim->dtsk = dtsk; |
|
|
|
return tskim; |
|
} |
|
|
|
void |
|
bfa_tskim_free(struct bfa_tskim_s *tskim) |
|
{ |
|
WARN_ON(!bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe)); |
|
list_del(&tskim->qe); |
|
list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q); |
|
} |
|
|
|
/* |
|
* Start a task management command. |
|
* |
|
* @param[in] tskim BFA task management command instance |
|
* @param[in] itnim i-t nexus for the task management command |
|
* @param[in] lun lun, if applicable |
|
* @param[in] tm_cmnd Task management command code. |
|
* @param[in] t_secs Timeout in seconds |
|
* |
|
* @return None. |
|
*/ |
|
void |
|
bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, |
|
struct scsi_lun lun, |
|
enum fcp_tm_cmnd tm_cmnd, u8 tsecs) |
|
{ |
|
tskim->itnim = itnim; |
|
tskim->lun = lun; |
|
tskim->tm_cmnd = tm_cmnd; |
|
tskim->tsecs = tsecs; |
|
tskim->notify = BFA_FALSE; |
|
bfa_stats(itnim, tm_cmnds); |
|
|
|
list_add_tail(&tskim->qe, &itnim->tsk_q); |
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_START); |
|
} |
|
|
|
void |
|
bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
struct list_head *qe; |
|
int i; |
|
|
|
for (i = 0; i < (fcpim->num_tskim_reqs - num_tskim_fw); i++) { |
|
bfa_q_deq_tail(&fcpim->tskim_free_q, &qe); |
|
list_add_tail(qe, &fcpim->tskim_unused_q); |
|
} |
|
} |
|
|
|
void |
|
bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, |
|
struct bfa_s *bfa) |
|
{ |
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
|
struct bfa_mem_kva_s *fcp_kva = BFA_MEM_FCP_KVA(bfa); |
|
struct bfa_mem_dma_s *seg_ptr; |
|
u16 nsegs, idx, per_seg_ios, num_io_req; |
|
u32 km_len = 0; |
|
|
|
/* |
|
* ZERO for num_ioim_reqs and num_fwtio_reqs is allowed config value. |
|
* So if the values are non zero, adjust them appropriately. |
|
*/ |
|
if (cfg->fwcfg.num_ioim_reqs && |
|
cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN) |
|
cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; |
|
else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX) |
|
cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; |
|
|
|
if (cfg->fwcfg.num_fwtio_reqs > BFA_FWTIO_MAX) |
|
cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX; |
|
|
|
num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); |
|
if (num_io_req > BFA_IO_MAX) { |
|
if (cfg->fwcfg.num_ioim_reqs && cfg->fwcfg.num_fwtio_reqs) { |
|
cfg->fwcfg.num_ioim_reqs = BFA_IO_MAX/2; |
|
cfg->fwcfg.num_fwtio_reqs = BFA_IO_MAX/2; |
|
} else if (cfg->fwcfg.num_fwtio_reqs) |
|
cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX; |
|
else |
|
cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; |
|
} |
|
|
|
bfa_fcpim_meminfo(cfg, &km_len); |
|
|
|
num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); |
|
km_len += num_io_req * sizeof(struct bfa_iotag_s); |
|
km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itn_s); |
|
|
|
/* dma memory */ |
|
nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); |
|
per_seg_ios = BFI_MEM_NREQS_SEG(BFI_IOIM_SNSLEN); |
|
|
|
bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { |
|
if (num_io_req >= per_seg_ios) { |
|
num_io_req -= per_seg_ios; |
|
bfa_mem_dma_setup(minfo, seg_ptr, |
|
per_seg_ios * BFI_IOIM_SNSLEN); |
|
} else |
|
bfa_mem_dma_setup(minfo, seg_ptr, |
|
num_io_req * BFI_IOIM_SNSLEN); |
|
} |
|
|
|
/* kva memory */ |
|
bfa_mem_kva_setup(minfo, fcp_kva, km_len); |
|
} |
|
|
|
void |
|
bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, |
|
struct bfa_pcidev_s *pcidev) |
|
{ |
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
|
struct bfa_mem_dma_s *seg_ptr; |
|
u16 idx, nsegs, num_io_req; |
|
|
|
fcp->max_ioim_reqs = cfg->fwcfg.num_ioim_reqs; |
|
fcp->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs; |
|
fcp->num_fwtio_reqs = cfg->fwcfg.num_fwtio_reqs; |
|
fcp->num_itns = cfg->fwcfg.num_rports; |
|
fcp->bfa = bfa; |
|
|
|
/* |
|
* Setup the pool of snsbase addr's, that is passed to fw as |
|
* part of bfi_iocfc_cfg_s. |
|
*/ |
|
num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); |
|
nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); |
|
|
|
bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { |
|
|
|
if (!bfa_mem_dma_virt(seg_ptr)) |
|
break; |
|
|
|
fcp->snsbase[idx].pa = bfa_mem_dma_phys(seg_ptr); |
|
fcp->snsbase[idx].kva = bfa_mem_dma_virt(seg_ptr); |
|
bfa_iocfc_set_snsbase(bfa, idx, fcp->snsbase[idx].pa); |
|
} |
|
|
|
fcp->throttle_update_required = 1; |
|
bfa_fcpim_attach(fcp, bfad, cfg, pcidev); |
|
|
|
bfa_iotag_attach(fcp); |
|
|
|
fcp->itn_arr = (struct bfa_itn_s *) bfa_mem_kva_curp(fcp); |
|
bfa_mem_kva_curp(fcp) = (u8 *)fcp->itn_arr + |
|
(fcp->num_itns * sizeof(struct bfa_itn_s)); |
|
memset(fcp->itn_arr, 0, |
|
(fcp->num_itns * sizeof(struct bfa_itn_s))); |
|
} |
|
|
|
void |
|
bfa_fcp_iocdisable(struct bfa_s *bfa) |
|
{ |
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
|
|
|
bfa_fcpim_iocdisable(fcp); |
|
} |
|
|
|
void |
|
bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw, u16 max_ioim_fw) |
|
{ |
|
struct bfa_fcp_mod_s *mod = BFA_FCP_MOD(bfa); |
|
struct list_head *qe; |
|
int i; |
|
|
|
/* Update io throttle value only once during driver load time */ |
|
if (!mod->throttle_update_required) |
|
return; |
|
|
|
for (i = 0; i < (mod->num_ioim_reqs - num_ioim_fw); i++) { |
|
bfa_q_deq_tail(&mod->iotag_ioim_free_q, &qe); |
|
list_add_tail(qe, &mod->iotag_unused_q); |
|
} |
|
|
|
if (mod->num_ioim_reqs != num_ioim_fw) { |
|
bfa_trc(bfa, mod->num_ioim_reqs); |
|
bfa_trc(bfa, num_ioim_fw); |
|
} |
|
|
|
mod->max_ioim_reqs = max_ioim_fw; |
|
mod->num_ioim_reqs = num_ioim_fw; |
|
mod->throttle_update_required = 0; |
|
} |
|
|
|
void |
|
bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport, |
|
void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m)) |
|
{ |
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
|
struct bfa_itn_s *itn; |
|
|
|
itn = BFA_ITN_FROM_TAG(fcp, rport->rport_tag); |
|
itn->isr = isr; |
|
} |
|
|
|
/* |
|
* Itn interrupt processing. |
|
*/ |
|
void |
|
bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m) |
|
{ |
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
|
union bfi_itn_i2h_msg_u msg; |
|
struct bfa_itn_s *itn; |
|
|
|
msg.msg = m; |
|
itn = BFA_ITN_FROM_TAG(fcp, msg.create_rsp->bfa_handle); |
|
|
|
if (itn->isr) |
|
itn->isr(bfa, m); |
|
else |
|
WARN_ON(1); |
|
} |
|
|
|
void |
|
bfa_iotag_attach(struct bfa_fcp_mod_s *fcp) |
|
{ |
|
struct bfa_iotag_s *iotag; |
|
u16 num_io_req, i; |
|
|
|
iotag = (struct bfa_iotag_s *) bfa_mem_kva_curp(fcp); |
|
fcp->iotag_arr = iotag; |
|
|
|
INIT_LIST_HEAD(&fcp->iotag_ioim_free_q); |
|
INIT_LIST_HEAD(&fcp->iotag_tio_free_q); |
|
INIT_LIST_HEAD(&fcp->iotag_unused_q); |
|
|
|
num_io_req = fcp->num_ioim_reqs + fcp->num_fwtio_reqs; |
|
for (i = 0; i < num_io_req; i++, iotag++) { |
|
memset(iotag, 0, sizeof(struct bfa_iotag_s)); |
|
iotag->tag = i; |
|
if (i < fcp->num_ioim_reqs) |
|
list_add_tail(&iotag->qe, &fcp->iotag_ioim_free_q); |
|
else |
|
list_add_tail(&iotag->qe, &fcp->iotag_tio_free_q); |
|
} |
|
|
|
bfa_mem_kva_curp(fcp) = (u8 *) iotag; |
|
} |
|
|
|
|
|
/* |
|
* To send config req, first try to use throttle value from flash |
|
* If 0, then use driver parameter |
|
* We need to use min(flash_val, drv_val) because |
|
* memory allocation was done based on this cfg'd value |
|
*/ |
|
u16 |
|
bfa_fcpim_get_throttle_cfg(struct bfa_s *bfa, u16 drv_cfg_param) |
|
{ |
|
u16 tmp; |
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
|
|
|
/* |
|
* If throttle value from flash is already in effect after driver is |
|
* loaded then until next load, always return current value instead |
|
* of actual flash value |
|
*/ |
|
if (!fcp->throttle_update_required) |
|
return (u16)fcp->num_ioim_reqs; |
|
|
|
tmp = bfa_dconf_read_data_valid(bfa) ? bfa_fcpim_read_throttle(bfa) : 0; |
|
if (!tmp || (tmp > drv_cfg_param)) |
|
tmp = drv_cfg_param; |
|
|
|
return tmp; |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_write_throttle(struct bfa_s *bfa, u16 value) |
|
{ |
|
if (!bfa_dconf_get_min_cfg(bfa)) { |
|
BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.value = value; |
|
BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.is_valid = 1; |
|
return BFA_STATUS_OK; |
|
} |
|
|
|
return BFA_STATUS_FAILED; |
|
} |
|
|
|
u16 |
|
bfa_fcpim_read_throttle(struct bfa_s *bfa) |
|
{ |
|
struct bfa_throttle_cfg_s *throttle_cfg = |
|
&(BFA_DCONF_MOD(bfa)->dconf->throttle_cfg); |
|
|
|
return ((!bfa_dconf_get_min_cfg(bfa)) ? |
|
((throttle_cfg->is_valid == 1) ? (throttle_cfg->value) : 0) : 0); |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_throttle_set(struct bfa_s *bfa, u16 value) |
|
{ |
|
/* in min cfg no commands should run. */ |
|
if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) || |
|
(!bfa_dconf_read_data_valid(bfa))) |
|
return BFA_STATUS_FAILED; |
|
|
|
bfa_fcpim_write_throttle(bfa, value); |
|
|
|
return bfa_dconf_update(bfa); |
|
} |
|
|
|
bfa_status_t |
|
bfa_fcpim_throttle_get(struct bfa_s *bfa, void *buf) |
|
{ |
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
|
struct bfa_defs_fcpim_throttle_s throttle; |
|
|
|
if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) || |
|
(!bfa_dconf_read_data_valid(bfa))) |
|
return BFA_STATUS_FAILED; |
|
|
|
memset(&throttle, 0, sizeof(struct bfa_defs_fcpim_throttle_s)); |
|
|
|
throttle.cur_value = (u16)(fcpim->fcp->num_ioim_reqs); |
|
throttle.cfg_value = bfa_fcpim_read_throttle(bfa); |
|
if (!throttle.cfg_value) |
|
throttle.cfg_value = throttle.cur_value; |
|
throttle.max_value = (u16)(fcpim->fcp->max_ioim_reqs); |
|
memcpy(buf, &throttle, sizeof(struct bfa_defs_fcpim_throttle_s)); |
|
|
|
return BFA_STATUS_OK; |
|
}
|
|
|