From mboxrd@z Thu Jan 1 00:00:00 1970 From: Viswas G Subject: [PATCH V4 1/9] pm80xx : redefine sas_identify_frame structure Date: Wed, 18 Oct 2017 11:39:07 +0530 Message-ID: <20171018060915.8549-2-Viswas.G@microsemi.com> References: <20171018060915.8549-1-Viswas.G@microsemi.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mail-by2nam01on0080.outbound.protection.outlook.com ([104.47.34.80]:1536 "EHLO NAM01-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933199AbdJRGJ1 (ORCPT ); Wed, 18 Oct 2017 02:09:27 -0400 In-Reply-To: <20171018060915.8549-1-Viswas.G@microsemi.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: Vasanthalakshmi.Tharmarajan@microsemi.com, Viswas.G@microsemi.com, deepak.ukey@microsemi.com, Raj.Dinesh@microsemi.com, jinpu.wang@profitbricks.com, martin.petersen@oracle.com sas_identify structure defined by pm80xx doesn't have CRC field. So added a new sas_identify structure without CRC. v2: - Since the structure changes is applicable for only pm80xx, sas_identify_frame_local structure moved to pm80xx_hwi.h. Signed-off-by: Raj Dinesh Signed-off-by: Viswas G Acked-by: Jack Wang --- drivers/scsi/pm8001/pm80xx_hwi.h | 98 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 97 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h b/drivers/scsi/pm8001/pm80xx_hwi.h index 7a443bad6163..82b8cf581da9 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.h +++ b/drivers/scsi/pm8001/pm80xx_hwi.h @@ -229,6 +229,102 @@ #define IT_NEXUS_TIMEOUT 0x7D0 #define PORT_RECOVERY_TIMEOUT ((IT_NEXUS_TIMEOUT/100) + 30) +#ifdef __LITTLE_ENDIAN_BITFIELD +struct sas_identify_frame_local { + /* Byte 0 */ + u8 frame_type:4; + u8 dev_type:3; + u8 _un0:1; + + /* Byte 1 */ + u8 _un1; + + /* Byte 2 */ + union { + struct { + u8 _un20:1; + u8 smp_iport:1; + u8 stp_iport:1; + u8 ssp_iport:1; + u8 _un247:4; + }; + u8 initiator_bits; + }; + + /* Byte 3 */ + union { + struct { + u8 _un30:1; + u8 smp_tport:1; + u8 stp_tport:1; + u8 ssp_tport:1; + u8 _un347:4; + }; + u8 target_bits; + }; + + /* Byte 4 - 11 */ + u8 _un4_11[8]; + + /* Byte 12 - 19 */ + u8 sas_addr[SAS_ADDR_SIZE]; + + /* Byte 20 */ + u8 phy_id; + + u8 _un21_27[7]; + +} __packed; + +#elif defined(__BIG_ENDIAN_BITFIELD) +struct sas_identify_frame_local { + /* Byte 0 */ + u8 _un0:1; + u8 dev_type:3; + u8 frame_type:4; + + /* Byte 1 */ + u8 _un1; + + /* Byte 2 */ + union { + struct { + u8 _un247:4; + u8 ssp_iport:1; + u8 stp_iport:1; + u8 smp_iport:1; + u8 _un20:1; + }; + u8 initiator_bits; + }; + + /* Byte 3 */ + union { + struct { + u8 _un347:4; + u8 ssp_tport:1; + u8 stp_tport:1; + u8 smp_tport:1; + u8 _un30:1; + }; + u8 target_bits; + }; + + /* Byte 4 - 11 */ + u8 _un4_11[8]; + + /* Byte 12 - 19 */ + u8 sas_addr[SAS_ADDR_SIZE]; + + /* Byte 20 */ + u8 phy_id; + + u8 _un21_27[7]; +} __packed; +#else +#error "Bitfield order not defined!" +#endif + struct mpi_msg_hdr { __le32 header; /* Bits [11:0] - Message operation code */ /* Bits [15:12] - Message Category */ @@ -248,7 +344,7 @@ struct mpi_msg_hdr { struct phy_start_req { __le32 tag; __le32 ase_sh_lm_slr_phyid; - struct sas_identify_frame sas_identify; /* 28 Bytes */ + struct sas_identify_frame_local sas_identify; /* 28 Bytes */ __le32 spasti; u32 reserved[21]; } __attribute__((packed, aligned(4))); -- 2.12.3