xref: /linux/drivers/scsi/mpt3sas/mpi/mpi2_pci.h (revision 0d3b051adbb72ed81956447d0d1e54d5943ee6f5)
1 /*
2  * Copyright 2000-2020 Broadcom Inc. All rights reserved.
3  *
4  *
5  *          Name:  mpi2_pci.h
6  *         Title:  MPI PCIe Attached Devices structures and definitions.
7  * Creation Date:  October 9, 2012
8  *
9  * mpi2_pci.h Version:  02.00.04
10  *
11  * NOTE: Names (typedefs, defines, etc.) beginning with an MPI25 or Mpi25
12  *       prefix are for use only on MPI v2.5 products, and must not be used
13  *       with MPI v2.0 products. Unless otherwise noted, names beginning with
14  *       MPI2 or Mpi2 are for use with both MPI v2.0 and MPI v2.5 products.
15  *
16  * Version History
17  * ---------------
18  *
19  * Date      Version   Description
20  * --------  --------  ------------------------------------------------------
21  * 03-16-15  02.00.00  Initial version.
22  * 02-17-16  02.00.01  Removed AHCI support.
23  *                     Removed SOP support.
24  * 07-01-16  02.00.02  Added MPI26_NVME_FLAGS_FORCE_ADMIN_ERR_RESP to
25  *                     NVME Encapsulated Request.
26  * 07-22-18  02.00.03  Updted flags field for NVME Encapsulated req
27  * 12-17-18  02.00.04  Added MPI26_PCIE_DEVINFO_SCSI
28  *			Shortten some defines to be compatible with DOS
29  * --------------------------------------------------------------------------
30  */
31 
32 #ifndef MPI2_PCI_H
33 #define MPI2_PCI_H
34 
35 
36 /*
37  *Values for the PCIe DeviceInfo field used in PCIe Device Status Change Event
38  *data and PCIe Configuration pages.
39  */
40 #define MPI26_PCIE_DEVINFO_DIRECT_ATTACH        (0x00000010)
41 
42 #define MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE     (0x0000000F)
43 #define MPI26_PCIE_DEVINFO_NO_DEVICE            (0x00000000)
44 #define MPI26_PCIE_DEVINFO_PCI_SWITCH           (0x00000001)
45 #define MPI26_PCIE_DEVINFO_NVME                 (0x00000003)
46 #define MPI26_PCIE_DEVINFO_SCSI                 (0x00000004)
47 
48 /****************************************************************************
49 *  NVMe Encapsulated message
50 ****************************************************************************/
51 
52 /*NVME Encapsulated Request Message */
53 typedef struct _MPI26_NVME_ENCAPSULATED_REQUEST {
54 	U16	DevHandle;                      /*0x00 */
55 	U8	ChainOffset;                    /*0x02 */
56 	U8	Function;                       /*0x03 */
57 	U16	EncapsulatedCommandLength;      /*0x04 */
58 	U8	Reserved1;                      /*0x06 */
59 	U8	MsgFlags;                       /*0x07 */
60 	U8	VP_ID;                          /*0x08 */
61 	U8	VF_ID;                          /*0x09 */
62 	U16	Reserved2;                      /*0x0A */
63 	U32	Reserved3;                      /*0x0C */
64 	U64	ErrorResponseBaseAddress;       /*0x10 */
65 	U16	ErrorResponseAllocationLength;  /*0x18 */
66 	U16	Flags;                          /*0x1A */
67 	U32	DataLength;                     /*0x1C */
68 	U8	NVMe_Command[4];                /*0x20 */
69 
70 } MPI26_NVME_ENCAPSULATED_REQUEST, *PTR_MPI26_NVME_ENCAPSULATED_REQUEST,
71 	Mpi26NVMeEncapsulatedRequest_t, *pMpi26NVMeEncapsulatedRequest_t;
72 
73 /*defines for the Flags field */
74 #define MPI26_NVME_FLAGS_FORCE_ADMIN_ERR_RESP       (0x0020)
75 /*Submission Queue Type*/
76 #define MPI26_NVME_FLAGS_SUBMISSIONQ_MASK           (0x0010)
77 #define MPI26_NVME_FLAGS_SUBMISSIONQ_IO             (0x0000)
78 #define MPI26_NVME_FLAGS_SUBMISSIONQ_ADMIN          (0x0010)
79 /*Error Response Address Space */
80 #define MPI26_NVME_FLAGS_ERR_RSP_ADDR_MASK          (0x000C)
81 #define MPI26_NVME_FLAGS_ERR_RSP_ADDR_SYSTEM        (0x0000)
82 #define MPI26_NVME_FLAGS_ERR_RSP_ADDR_IOCTL         (0x0008)
83 /* Data Direction*/
84 #define MPI26_NVME_FLAGS_DATADIRECTION_MASK         (0x0003)
85 #define MPI26_NVME_FLAGS_NODATATRANSFER             (0x0000)
86 #define MPI26_NVME_FLAGS_WRITE                      (0x0001)
87 #define MPI26_NVME_FLAGS_READ                       (0x0002)
88 #define MPI26_NVME_FLAGS_BIDIRECTIONAL              (0x0003)
89 
90 
91 /*NVMe Encapuslated Reply Message */
92 typedef struct _MPI26_NVME_ENCAPSULATED_ERROR_REPLY {
93 	U16	DevHandle;                      /*0x00 */
94 	U8	MsgLength;                      /*0x02 */
95 	U8	Function;                       /*0x03 */
96 	U16	EncapsulatedCommandLength;      /*0x04 */
97 	U8	Reserved1;                      /*0x06 */
98 	U8	MsgFlags;                       /*0x07 */
99 	U8	VP_ID;                          /*0x08 */
100 	U8	VF_ID;                          /*0x09 */
101 	U16	Reserved2;                      /*0x0A */
102 	U16	Reserved3;                      /*0x0C */
103 	U16	IOCStatus;                      /*0x0E */
104 	U32	IOCLogInfo;                     /*0x10 */
105 	U16	ErrorResponseCount;             /*0x14 */
106 	U16	Reserved4;                      /*0x16 */
107 } MPI26_NVME_ENCAPSULATED_ERROR_REPLY,
108 	*PTR_MPI26_NVME_ENCAPSULATED_ERROR_REPLY,
109 	Mpi26NVMeEncapsulatedErrorReply_t,
110 	*pMpi26NVMeEncapsulatedErrorReply_t;
111 
112 
113 #endif
114