Initial import

1 files changed, 217 insertions, 0 deletions

diff --git a/drivers/scsi/isci/sas.h b/drivers/scsi/isci/sas.h
new file mode 100644
index 000000000..dc26b4aea
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+++ b/drivers/scsi/isci/sas.h
@@ -0,0 +1,217 @@
+/*
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.GPL.
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
+ * 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 Intel Corporation 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 _SCI_SAS_H_
+#define _SCI_SAS_H_
+
+#include <linux/kernel.h>
+
+/*
+ * SATA FIS Types These constants depict the various SATA FIS types devined in
+ * the serial ATA specification.
+ * XXX: This needs to go into <scsi/sas.h>
+ */
+#define FIS_REGH2D          0x27
+#define FIS_REGD2H          0x34
+#define FIS_SETDEVBITS      0xA1
+#define FIS_DMA_ACTIVATE    0x39
+#define FIS_DMA_SETUP       0x41
+#define FIS_BIST_ACTIVATE   0x58
+#define FIS_PIO_SETUP       0x5F
+#define FIS_DATA            0x46
+
+/**************************************************************************/
+#define SSP_RESP_IU_MAX_SIZE	280
+
+/*
+ * contents of the SSP COMMAND INFORMATION UNIT.
+ * For specific information on each of these individual fields please
+ * reference the SAS specification SSP transport layer section.
+ * XXX: This needs to go into <scsi/sas.h>
+ */
+struct ssp_cmd_iu {
+	u8 LUN[8];
+	u8 add_cdb_len:6;
+	u8 _r_a:2;
+	u8 _r_b;
+	u8 en_fburst:1;
+	u8 task_prio:4;
+	u8 task_attr:3;
+	u8 _r_c;
+
+	u8 cdb[16];
+}  __packed;
+
+/*
+ * contents of the SSP TASK INFORMATION UNIT.
+ * For specific information on each of these individual fields please
+ * reference the SAS specification SSP transport layer section.
+ * XXX: This needs to go into <scsi/sas.h>
+ */
+struct ssp_task_iu {
+	u8 LUN[8];
+	u8 _r_a;
+	u8 task_func;
+	u8 _r_b[4];
+	u16 task_tag;
+	u8 _r_c[12];
+}  __packed;
+
+
+/*
+ * struct smp_req_phy_id - This structure defines the contents of
+ *    an SMP Request that is comprised of the struct smp_request_header and a
+ *    phy identifier.
+ *    Examples: SMP_REQUEST_DISCOVER, SMP_REQUEST_REPORT_PHY_SATA.
+ *
+ * For specific information on each of these individual fields please reference
+ * the SAS specification.
+ */
+struct smp_req_phy_id {
+	u8 _r_a[4];		/* bytes 4-7 */
+
+	u8 ign_zone_grp:1;	/* byte 8 */
+	u8 _r_b:7;
+
+	u8 phy_id;		/* byte 9 */
+	u8 _r_c;		/* byte 10 */
+	u8 _r_d;		/* byte 11 */
+}  __packed;
+
+/*
+ * struct smp_req_config_route_info - This structure defines the
+ *    contents of an SMP Configure Route Information request.
+ *
+ * For specific information on each of these individual fields please reference
+ * the SAS specification.
+ */
+struct smp_req_conf_rtinfo {
+	u16 exp_change_cnt;		/* bytes 4-5 */
+	u8 exp_rt_idx_hi;		/* byte 6 */
+	u8 exp_rt_idx;			/* byte 7 */
+
+	u8 _r_a;			/* byte 8 */
+	u8 phy_id;			/* byte 9 */
+	u16 _r_b;			/* bytes 10-11 */
+
+	u8 _r_c:7;			/* byte 12 */
+	u8 dis_rt_entry:1;
+	u8 _r_d[3];			/* bytes 13-15 */
+
+	u8 rt_sas_addr[8];		/* bytes 16-23 */
+	u8 _r_e[16];			/* bytes 24-39 */
+}  __packed;
+
+/*
+ * struct smp_req_phycntl - This structure defines the contents of an
+ *    SMP Phy Controller request.
+ *
+ * For specific information on each of these individual fields please reference
+ * the SAS specification.
+ */
+struct smp_req_phycntl {
+	u16 exp_change_cnt;		/* byte 4-5 */
+
+	u8 _r_a[3];			/* bytes 6-8 */
+
+	u8 phy_id;			/* byte 9 */
+	u8 phy_op;			/* byte 10 */
+
+	u8 upd_pathway:1;		/* byte 11 */
+	u8 _r_b:7;
+
+	u8 _r_c[12];			/* byte 12-23 */
+
+	u8 att_dev_name[8];             /* byte 24-31 */
+
+	u8 _r_d:4;			/* byte 32 */
+	u8 min_linkrate:4;
+
+	u8 _r_e:4;			/* byte 33 */
+	u8 max_linkrate:4;
+
+	u8 _r_f[2];			/* byte 34-35 */
+
+	u8 pathway:4;			/* byte 36 */
+	u8 _r_g:4;
+
+	u8 _r_h[3];			/* bytes 37-39 */
+}  __packed;
+
+/*
+ * struct smp_req - This structure simply unionizes the existing request
+ *    structures into a common request type.
+ *
+ * XXX: This data structure may need to go to scsi/sas.h
+ */
+struct smp_req {
+	u8 type;		/* byte 0 */
+	u8 func;		/* byte 1 */
+	u8 alloc_resp_len;	/* byte 2 */
+	u8 req_len;		/* byte 3 */
+	u8 req_data[0];
+}  __packed;
+
+/*
+ * struct sci_sas_address - This structure depicts how a SAS address is
+ *    represented by SCI.
+ * XXX convert this to u8 [SAS_ADDR_SIZE] like the rest of libsas
+ *
+ */
+struct sci_sas_address {
+	u32 high;
+	u32 low;
+};
+#endif