diff options
Diffstat (limited to 'sys/dev/ntb/ntb_hw/ntb_hw.h')
-rw-r--r-- | sys/dev/ntb/ntb_hw/ntb_hw.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/sys/dev/ntb/ntb_hw/ntb_hw.h b/sys/dev/ntb/ntb_hw/ntb_hw.h deleted file mode 100644 index f05acda..0000000 --- a/sys/dev/ntb/ntb_hw/ntb_hw.h +++ /dev/null @@ -1,125 +0,0 @@ -/*- - * Copyright (C) 2013 Intel Corporation - * Copyright (C) 2015 EMC Corporation - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#ifndef _NTB_HW_H_ -#define _NTB_HW_H_ - -struct ntb_softc; - -#define NTB_MAX_NUM_MW 3 - -enum ntb_speed { - NTB_SPEED_AUTO = -1, - NTB_SPEED_NONE = 0, - NTB_SPEED_GEN1 = 1, - NTB_SPEED_GEN2 = 2, - NTB_SPEED_GEN3 = 3, -}; - -enum ntb_width { - NTB_WIDTH_AUTO = -1, - NTB_WIDTH_NONE = 0, - NTB_WIDTH_1 = 1, - NTB_WIDTH_2 = 2, - NTB_WIDTH_4 = 4, - NTB_WIDTH_8 = 8, - NTB_WIDTH_12 = 12, - NTB_WIDTH_16 = 16, - NTB_WIDTH_32 = 32, -}; - -SYSCTL_DECL(_hw_ntb); - -typedef void (*ntb_db_callback)(void *data, uint32_t vector); -typedef void (*ntb_event_callback)(void *data); - -struct ntb_ctx_ops { - ntb_event_callback link_event; - ntb_db_callback db_event; -}; - -device_t ntb_get_device(struct ntb_softc *); - -bool ntb_link_is_up(struct ntb_softc *, enum ntb_speed *, enum ntb_width *); -void ntb_link_event(struct ntb_softc *); -int ntb_link_enable(struct ntb_softc *, enum ntb_speed, enum ntb_width); -int ntb_link_disable(struct ntb_softc *); -bool ntb_link_enabled(struct ntb_softc *); - -int ntb_set_ctx(struct ntb_softc *, void *, const struct ntb_ctx_ops *); -void *ntb_get_ctx(struct ntb_softc *, const struct ntb_ctx_ops **); -void ntb_clear_ctx(struct ntb_softc *); - -uint8_t ntb_mw_count(struct ntb_softc *); -int ntb_mw_get_range(struct ntb_softc *, unsigned mw_idx, vm_paddr_t *base, - caddr_t *vbase, size_t *size, size_t *align, size_t *align_size, - bus_addr_t *plimit); -int ntb_mw_set_trans(struct ntb_softc *, unsigned mw_idx, bus_addr_t, size_t); -int ntb_mw_clear_trans(struct ntb_softc *, unsigned mw_idx); - -int ntb_mw_get_wc(struct ntb_softc *, unsigned mw_idx, vm_memattr_t *mode); -int ntb_mw_set_wc(struct ntb_softc *, unsigned mw_idx, vm_memattr_t mode); - -uint8_t ntb_get_max_spads(struct ntb_softc *ntb); -void ntb_spad_clear(struct ntb_softc *ntb); -int ntb_spad_write(struct ntb_softc *ntb, unsigned int idx, uint32_t val); -int ntb_spad_read(struct ntb_softc *ntb, unsigned int idx, uint32_t *val); -int ntb_peer_spad_write(struct ntb_softc *ntb, unsigned int idx, - uint32_t val); -int ntb_peer_spad_read(struct ntb_softc *ntb, unsigned int idx, - uint32_t *val); - -uint64_t ntb_db_valid_mask(struct ntb_softc *); -uint64_t ntb_db_vector_mask(struct ntb_softc *, uint32_t vector); -bus_addr_t ntb_get_peer_db_addr(struct ntb_softc *, vm_size_t *sz_out); - -void ntb_db_clear(struct ntb_softc *, uint64_t bits); -void ntb_db_clear_mask(struct ntb_softc *, uint64_t bits); -uint64_t ntb_db_read(struct ntb_softc *); -void ntb_db_set_mask(struct ntb_softc *, uint64_t bits); -void ntb_peer_db_set(struct ntb_softc *, uint64_t bits); - -#define XEON_SPAD_COUNT 16 -#define ATOM_SPAD_COUNT 16 - -/* Hardware owns the low 16 bits of features. */ -#define NTB_BAR_SIZE_4K (1 << 0) -#define NTB_SDOORBELL_LOCKUP (1 << 1) -#define NTB_SB01BASE_LOCKUP (1 << 2) -#define NTB_B2BDOORBELL_BIT14 (1 << 3) -/* Software/configuration owns the top 16 bits. */ -#define NTB_SPLIT_BAR (1ull << 16) - -#define NTB_FEATURES_STR \ - "\20\21SPLIT_BAR4\04B2B_DOORBELL_BIT14\03SB01BASE_LOCKUP" \ - "\02SDOORBELL_LOCKUP\01BAR_SIZE_4K" - -bool ntb_has_feature(struct ntb_softc *, uint32_t); - -#endif /* _NTB_HW_H_ */ |