| 1 | /* |
| 2 | * This file is provided under a dual BSD/GPLv2 license. When using or |
| 3 | * redistributing this file, you may do so under either license. |
| 4 | * |
| 5 | * GPL LICENSE SUMMARY |
| 6 | * |
| 7 | * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of version 2 of the GNU General Public License as |
| 11 | * published by the Free Software Foundation. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, but |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| 21 | * The full GNU General Public License is included in this distribution |
| 22 | * in the file called LICENSE.GPL. |
| 23 | * |
| 24 | * BSD LICENSE |
| 25 | * |
| 26 | * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. |
| 27 | * All rights reserved. |
| 28 | * |
| 29 | * Redistribution and use in source and binary forms, with or without |
| 30 | * modification, are permitted provided that the following conditions |
| 31 | * are met: |
| 32 | * |
| 33 | * * Redistributions of source code must retain the above copyright |
| 34 | * notice, this list of conditions and the following disclaimer. |
| 35 | * * Redistributions in binary form must reproduce the above copyright |
| 36 | * notice, this list of conditions and the following disclaimer in |
| 37 | * the documentation and/or other materials provided with the |
| 38 | * distribution. |
| 39 | * * Neither the name of Intel Corporation nor the names of its |
| 40 | * contributors may be used to endorse or promote products derived |
| 41 | * from this software without specific prior written permission. |
| 42 | * |
| 43 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 44 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 45 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 46 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 47 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 48 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 49 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 50 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 51 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 52 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 53 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 54 | */ |
| 55 | |
| 56 | #ifndef _SCI_ENVIRONMENT_H_ |
| 57 | #define _SCI_ENVIRONMENT_H_ |
| 58 | |
| 59 | #include "isci.h" |
| 60 | #include "core/scic_sds_controller.h" |
| 61 | |
| 62 | |
| 63 | static inline struct device *scic_to_dev(struct scic_sds_controller *scic) |
| 64 | { |
| 65 | struct isci_host *isci_host = scic->ihost; |
| 66 | |
| 67 | return &isci_host->pdev->dev; |
| 68 | } |
| 69 | |
| 70 | static inline struct device *sciphy_to_dev(struct scic_sds_phy *sci_phy) |
| 71 | { |
| 72 | struct isci_phy *iphy = sci_phy->iphy; |
| 73 | |
| 74 | if (!iphy || !iphy->isci_port || !iphy->isci_port->isci_host) |
| 75 | return NULL; |
| 76 | |
| 77 | return &iphy->isci_port->isci_host->pdev->dev; |
| 78 | } |
| 79 | |
| 80 | static inline struct device *sciport_to_dev(struct scic_sds_port *sci_port) |
| 81 | { |
| 82 | struct isci_port *iport = sci_port->iport; |
| 83 | |
| 84 | if (!iport || !iport->isci_host) |
| 85 | return NULL; |
| 86 | |
| 87 | return &iport->isci_host->pdev->dev; |
| 88 | } |
| 89 | |
| 90 | static inline struct device *scirdev_to_dev( |
| 91 | struct scic_sds_remote_device *sci_dev) |
| 92 | { |
| 93 | struct isci_remote_device *idev = |
| 94 | container_of(sci_dev, typeof(*idev), sci); |
| 95 | |
| 96 | if (!idev || !idev->isci_port || !idev->isci_port->isci_host) |
| 97 | return NULL; |
| 98 | |
| 99 | return &idev->isci_port->isci_host->pdev->dev; |
| 100 | } |
| 101 | |
| 102 | enum { |
| 103 | ISCI_SI_REVA0, |
| 104 | ISCI_SI_REVA2, |
| 105 | ISCI_SI_REVB0, |
| 106 | }; |
| 107 | |
| 108 | extern int isci_si_rev; |
| 109 | |
| 110 | static inline bool is_a0(void) |
| 111 | { |
| 112 | return isci_si_rev == ISCI_SI_REVA0; |
| 113 | } |
| 114 | |
| 115 | static inline bool is_a2(void) |
| 116 | { |
| 117 | return isci_si_rev == ISCI_SI_REVA2; |
| 118 | } |
| 119 | |
| 120 | static inline bool is_b0(void) |
| 121 | { |
| 122 | return isci_si_rev > ISCI_SI_REVA2; |
| 123 | } |
| 124 | |
| 125 | #endif |