diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_sgpg_priv.h')
-rw-r--r-- | drivers/scsi/bfa/bfa_sgpg_priv.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/drivers/scsi/bfa/bfa_sgpg_priv.h b/drivers/scsi/bfa/bfa_sgpg_priv.h deleted file mode 100644 index 9c2a8cbe752..00000000000 --- a/drivers/scsi/bfa/bfa_sgpg_priv.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - * - * Linux driver for Brocade Fibre Channel Host Bus Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -/** - * hal_sgpg.h BFA SG page module - */ - -#ifndef __BFA_SGPG_PRIV_H__ -#define __BFA_SGPG_PRIV_H__ - -#include <cs/bfa_q.h> - -#define BFA_SGPG_MIN (16) - -/** - * Alignment macro for SG page allocation - */ -#define BFA_SGPG_ROUNDUP(_l) (((_l) + (sizeof(struct bfi_sgpg_s) - 1)) \ - & ~(sizeof(struct bfi_sgpg_s) - 1)) - -struct bfa_sgpg_wqe_s { - struct list_head qe; /* queue sg page element */ - int nsgpg; /* pages to be allocated */ - int nsgpg_total; /* total pages required */ - void (*cbfn) (void *cbarg); - /* callback function */ - void *cbarg; /* callback arg */ - struct list_head sgpg_q; /* queue of alloced sgpgs */ -}; - -struct bfa_sgpg_s { - struct list_head qe; /* queue sg page element */ - struct bfi_sgpg_s *sgpg; /* va of SG page */ - union bfi_addr_u sgpg_pa;/* pa of SG page */ -}; - -/** - * Given number of SG elements, BFA_SGPG_NPAGE() returns the number of - * SG pages required. - */ -#define BFA_SGPG_NPAGE(_nsges) (((_nsges) / BFI_SGPG_DATA_SGES) + 1) - -struct bfa_sgpg_mod_s { - struct bfa_s *bfa; - int num_sgpgs; /* number of SG pages */ - int free_sgpgs; /* number of free SG pages */ - struct bfa_sgpg_s *hsgpg_arr; /* BFA SG page array */ - struct bfi_sgpg_s *sgpg_arr; /* actual SG page array */ - u64 sgpg_arr_pa; /* SG page array DMA addr */ - struct list_head sgpg_q; /* queue of free SG pages */ - struct list_head sgpg_wait_q; /* wait queue for SG pages */ -}; -#define BFA_SGPG_MOD(__bfa) (&(__bfa)->modules.sgpg_mod) - -bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, - int nsgpgs); -void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, - int nsgpgs); -void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, - void (*cbfn) (void *cbarg), void *cbarg); -void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, - int nsgpgs); -void bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe); - -#endif /* __BFA_SGPG_PRIV_H__ */ |