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2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87 
 kernel/drivers/scsi/megaraid/megaraid_sas_fusion.h
....@@ -1,34 +1,20 @@
1
+/* SPDX-License-Identifier: GPL-2.0-or-later */
12 /*
23  *  Linux MegaRAID driver for SAS based RAID controllers
34  *
45  *  Copyright (c) 2009-2013  LSI Corporation
5
- *  Copyright (c) 2013-2014  Avago Technologies
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- *
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- *  This program is free software; you can redistribute it and/or
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- *  modify it under the terms of the GNU General Public License
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- *  as published by the Free Software Foundation; either version 2
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- *  of the License, or (at your option) any later version.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *  GNU General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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+ *  Copyright (c) 2013-2016  Avago Technologies
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+ *  Copyright (c) 2016-2018  Broadcom Inc.
198  *
209  *  FILE: megaraid_sas_fusion.h
2110  *
22
- *  Authors: Avago Technologies
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+ *  Authors: Broadcom Inc.
2312  *           Manoj Jose
2413  *           Sumant Patro
25
- *           Kashyap Desai <kashyap.desai@avagotech.com>
26
- *           Sumit Saxena <sumit.saxena@avagotech.com>
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+ *           Kashyap Desai <kashyap.desai@broadcom.com>
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+ *           Sumit Saxena <sumit.saxena@broadcom.com>
2716  *
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- *  Send feedback to: megaraidlinux.pdl@avagotech.com
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- *
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- *  Mail to: Avago Technologies, 350 West Trimble Road, Building 90,
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- *  San Jose, California 95131
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+ *  Send feedback to: megaraidlinux.pdl@broadcom.com
3218  */
3319 
3420 #ifndef _MEGARAID_SAS_FUSION_H_
....@@ -89,7 +75,8 @@
8975 	MR_RAID_FLAGS_IO_SUB_TYPE_RMW_P        = 3,
9076 	MR_RAID_FLAGS_IO_SUB_TYPE_RMW_Q        = 4,
9177 	MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS = 6,
92
-	MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT = 7
78
+	MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT = 7,
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+	MR_RAID_FLAGS_IO_SUB_TYPE_R56_DIV_OFFLOAD = 8
9380 };
9481 
9582 /*
....@@ -103,7 +90,6 @@
10390 #define MEGASAS_FP_CMD_LEN	16
10491 #define MEGASAS_FUSION_IN_RESET 0
10592 #define MEGASAS_FUSION_OCR_NOT_POSSIBLE 1
106
-#define THRESHOLD_REPLY_COUNT 50
10793 #define RAID_1_PEER_CMDS 2
10894 #define JBOD_MAPS_COUNT	2
10995 #define MEGASAS_REDUCE_QD_COUNT 64
....@@ -155,12 +141,15 @@
155141 	u16 timeout_value; /* 0x02 -0x03 */
156142 	u16		routing_flags;	// 0x04 -0x05 routing flags
157143 	u16 virtual_disk_tgt_id;   /* 0x06 -0x07 */
158
-	u64 reg_lock_row_lba;      /* 0x08 - 0x0F */
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+	__le64 reg_lock_row_lba;      /* 0x08 - 0x0F */
159145 	u32 reg_lock_length;      /* 0x10 - 0x13 */
160
-	union {
161
-		u16 next_lmid; /* 0x14 - 0x15 */
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-		u16	peer_smid;	/* used for the raid 1/10 fp writes */
163
-	} smid;
146
+	union {                     // flow specific
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+		u16 rmw_op_index;   /* 0x14 - 0x15, R5/6 RMW: rmw operation index*/
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+		u16 peer_smid;      /* 0x14 - 0x15, R1 Write: peer smid*/
149
+		u16 r56_arm_map;    /* 0x14 - 0x15, Unused [15], LogArm[14:10], P-Arm[9:5], Q-Arm[4:0] */
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+
151
+	} flow_specific;
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+
164153 	u8 ex_status;       /* 0x16 : OUT */
165154 	u8 status;          /* 0x17 status */
166155 	u8 raid_flags;		/* 0x18 resvd[7:6], ioSubType[5:4],
....@@ -250,6 +239,13 @@
250239 
251240 #define RAID_CTX_SPANARM_SPAN_SHIFT	(5)
252241 #define RAID_CTX_SPANARM_SPAN_MASK	(0xE0)
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+
243
+/* LogArm[14:10], P-Arm[9:5], Q-Arm[4:0] */
244
+#define RAID_CTX_R56_Q_ARM_MASK		(0x1F)
245
+#define RAID_CTX_R56_P_ARM_SHIFT	(5)
246
+#define RAID_CTX_R56_P_ARM_MASK		(0x3E0)
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+#define RAID_CTX_R56_LOG_ARM_SHIFT	(10)
248
+#define RAID_CTX_R56_LOG_ARM_MASK	(0x7C00)
253249 
254250 /* number of bits per index in U32 TrackStream */
255251 #define BITS_PER_INDEX_STREAM		4
....@@ -726,6 +722,8 @@
726722 #define MR_DCMD_CTRL_SHARED_HOST_MEM_ALLOC  0x010e8485   /* SR-IOV HB alloc*/
727723 #define MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111   0x03200200
728724 #define MR_DCMD_LD_VF_MAP_GET_ALL_LDS       0x03150200
725
+#define MR_DCMD_CTRL_SNAPDUMP_GET_PROPERTIES	0x01200100
726
+#define MR_DCMD_CTRL_DEVICE_LIST_GET		0x01190600
729727 
730728 struct MR_DEV_HANDLE_INFO {
731729 	__le16	curDevHdl;
....@@ -776,7 +774,7 @@
776774 struct MR_CPU_AFFINITY_MASK {
777775 	union {
778776 		struct {
779
-#ifndef MFI_BIG_ENDIAN
777
+#ifndef __BIG_ENDIAN_BITFIELD
780778 		u8 hw_path:1;
781779 		u8 cpu0:1;
782780 		u8 cpu1:1;
....@@ -867,9 +865,20 @@
867865 	u8	regTypeReqOnRead;
868866 	__le16     seqNum;
869867 
870
-	struct {
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-		u32 ldSyncRequired:1;
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-		u32 reserved:31;
868
+struct {
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+#ifndef __BIG_ENDIAN_BITFIELD
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+	u32 ldSyncRequired:1;
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+	u32 regTypeReqOnReadIsValid:1;
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+	u32 isEPD:1;
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+	u32 enableSLDOnAllRWIOs:1;
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+	u32 reserved:28;
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+#else
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+	u32 reserved:28;
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+	u32 enableSLDOnAllRWIOs:1;
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+	u32 isEPD:1;
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+	u32 regTypeReqOnReadIsValid:1;
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+	u32 ldSyncRequired:1;
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+#endif
873882 	} flags;
874883 
875884 	u8	LUN[8]; /* 0x24 8 byte LUN field used for SCSI IO's */
....@@ -880,7 +889,7 @@
880889 	/* 0x30 - 0x33, Logical block size for the LD */
881890 	u32 logical_block_length;
882891 	struct {
883
-#ifndef MFI_BIG_ENDIAN
892
+#ifndef __BIG_ENDIAN_BITFIELD
884893 	/* 0x34, P_I_EXPONENT from READ CAPACITY 16 */
885894 	u32 ld_pi_exp:4;
886895 	/* 0x34, LOGICAL BLOCKS PER PHYSICAL
....@@ -953,6 +962,7 @@
953962 	u8  pd_after_lb;
954963 	u16 r1_alt_dev_handle; /* raid 1/10 only */
955964 	bool ra_capable;
965
+	u8 data_arms;
956966 };
957967 
958968 struct MR_LD_TARGET_SYNC {
....@@ -1063,6 +1073,9 @@
10631073 #define MPI26_IEEE_SGE_FLAGS_NSF_MPI_IEEE       (0x00)
10641074 #define MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP       (0x08)
10651075 #define MPI26_IEEE_SGE_FLAGS_NSF_NVME_SGL       (0x10)
1076
+
1077
+#define MEGASAS_DEFAULT_SNAP_DUMP_WAIT_TIME 15
1078
+#define MEGASAS_MAX_SNAP_DUMP_WAIT_TIME 60
10661079 
10671080 struct megasas_register_set;
10681081 struct megasas_instance;
....@@ -1334,7 +1347,8 @@
13341347 	dma_addr_t ioc_init_request_phys;
13351348 	struct MPI2_IOC_INIT_REQUEST *ioc_init_request;
13361349 	struct megasas_cmd *ioc_init_cmd;
1337
-
1350
+	bool pcie_bw_limitation;
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+	bool r56_div_offload;
13381352 };
13391353 
13401354 union desc_value {
....@@ -1351,6 +1365,19 @@
13511365 	RETURN_CMD = 3,
13521366 };
13531367 
1368
+struct  MR_SNAPDUMP_PROPERTIES {
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+	u8       offload_num;
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+	u8       max_num_supported;
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+	u8       cur_num_supported;
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+	u8       trigger_min_num_sec_before_ocr;
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+	u8       reserved[12];
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+};
1375
+
1376
+struct megasas_debugfs_buffer {
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+	void *buf;
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+	u32 len;
1379
+};
1380
+
13541381 void megasas_free_cmds_fusion(struct megasas_instance *instance);
13551382 int megasas_ioc_init_fusion(struct megasas_instance *instance);
13561383 u8 megasas_get_map_info(struct megasas_instance *instance);