diff options
Diffstat (limited to 'drivers/net/cxgbe/base/t4_chip_type.h')
-rw-r--r-- | drivers/net/cxgbe/base/t4_chip_type.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/net/cxgbe/base/t4_chip_type.h b/drivers/net/cxgbe/base/t4_chip_type.h new file mode 100644 index 00000000..1ca68039 --- /dev/null +++ b/drivers/net/cxgbe/base/t4_chip_type.h @@ -0,0 +1,79 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2014-2015 Chelsio Communications. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Chelsio Communications nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT + * OWNER 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. + */ + +#ifndef __T4_CHIP_TYPE_H__ +#define __T4_CHIP_TYPE_H__ + +/* + * All T4 and later chips have their PCI-E Device IDs encoded as 0xVFPP where: + * + * V = "4" for T4; "5" for T5, etc. or + * F = "0" for PF 0..3; "4".."7" for PF4..7; and "8" for VFs + * PP = adapter product designation + * + * We use the "version" (V) of the adpater to code the Chip Version above. + */ +#define CHELSIO_PCI_ID_VER(devid) ((devid) >> 12) +#define CHELSIO_PCI_ID_FUNC(devid) (((devid) >> 8) & 0xf) +#define CHELSIO_PCI_ID_PROD(devid) ((devid) & 0xff) + +#define CHELSIO_T4 0x4 +#define CHELSIO_T5 0x5 + +#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision)) +#define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf) +#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf) + +enum chip_type { + T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1), + T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2), + T4_FIRST_REV = T4_A1, + T4_LAST_REV = T4_A2, + + T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0), + T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1), + T5_FIRST_REV = T5_A0, + T5_LAST_REV = T5_A1, +}; + +static inline int is_t4(enum chip_type chip) +{ + return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4); +} + +static inline int is_t5(enum chip_type chip) +{ + return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5); +} + +#endif /* __T4_CHIP_TYPE_H__ */ |