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:  02.00.03
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  * --------------------------------------------------------------------------
28  */
29 
30 #ifndef MPI2_PCI_H
31 #define MPI2_PCI_H
32 
33 
34 /*
35  *Values for the PCIe DeviceInfo field used in PCIe Device Status Change Event
36  *data and PCIe Configuration pages.
37  */
38 #define MPI26_PCIE_DEVINFO_DIRECT_ATTACH        (0x00000010)
39 
40 #define MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE     (0x0000000F)
41 #define MPI26_PCIE_DEVINFO_NO_DEVICE            (0x00000000)
42 #define MPI26_PCIE_DEVINFO_PCI_SWITCH           (0x00000001)
43 #define MPI26_PCIE_DEVINFO_NVME                 (0x00000003)
44 
45 
46 /****************************************************************************
47 *  NVMe Encapsulated message
48 ****************************************************************************/
49 
50 /*NVME Encapsulated Request Message */
51 typedef struct _MPI26_NVME_ENCAPSULATED_REQUEST {
52 	U16	DevHandle;                      /*0x00 */
53 	U8	ChainOffset;                    /*0x02 */
54 	U8	Function;                       /*0x03 */
55 	U16	EncapsulatedCommandLength;      /*0x04 */
56 	U8	Reserved1;                      /*0x06 */
57 	U8	MsgFlags;                       /*0x07 */
58 	U8	VP_ID;                          /*0x08 */
59 	U8	VF_ID;                          /*0x09 */
60 	U16	Reserved2;                      /*0x0A */
61 	U32	Reserved3;                      /*0x0C */
62 	U64	ErrorResponseBaseAddress;       /*0x10 */
63 	U16	ErrorResponseAllocationLength;  /*0x18 */
64 	U16	Flags;                          /*0x1A */
65 	U32	DataLength;                     /*0x1C */
66 	U8	NVMe_Command[4];                /*0x20 */
67 
68 } MPI26_NVME_ENCAPSULATED_REQUEST, *PTR_MPI26_NVME_ENCAPSULATED_REQUEST,
69 	Mpi26NVMeEncapsulatedRequest_t, *pMpi26NVMeEncapsulatedRequest_t;
70 
71 /*defines for the Flags field */
72 #define MPI26_NVME_FLAGS_FORCE_ADMIN_ERR_RESP       (0x0020)
73 /*Submission Queue Type*/
74 #define MPI26_NVME_FLAGS_SUBMISSIONQ_MASK           (0x0010)
75 #define MPI26_NVME_FLAGS_SUBMISSIONQ_IO             (0x0000)
76 #define MPI26_NVME_FLAGS_SUBMISSIONQ_ADMIN          (0x0010)
77 /*Error Response Address Space */
78 #define MPI26_NVME_FLAGS_MASK_ERROR_RSP_ADDR        (0x000C)
79 #define MPI26_NVME_FLAGS_MASK_ERROR_RSP_ADDR_MASK   (0x000C)
80 #define MPI26_NVME_FLAGS_SYSTEM_RSP_ADDR            (0x0000)
81 #define MPI26_NVME_FLAGS_IOCCTL_RSP_ADDR            (0x0008)
82 /* Data Direction*/
83 #define MPI26_NVME_FLAGS_DATADIRECTION_MASK         (0x0003)
84 #define MPI26_NVME_FLAGS_NODATATRANSFER             (0x0000)
85 #define MPI26_NVME_FLAGS_WRITE                      (0x0001)
86 #define MPI26_NVME_FLAGS_READ                       (0x0002)
87 #define MPI26_NVME_FLAGS_BIDIRECTIONAL              (0x0003)
88 
89 
90 /*NVMe Encapuslated Reply Message */
91 typedef struct _MPI26_NVME_ENCAPSULATED_ERROR_REPLY {
92 	U16	DevHandle;                      /*0x00 */
93 	U8	MsgLength;                      /*0x02 */
94 	U8	Function;                       /*0x03 */
95 	U16	EncapsulatedCommandLength;      /*0x04 */
96 	U8	Reserved1;                      /*0x06 */
97 	U8	MsgFlags;                       /*0x07 */
98 	U8	VP_ID;                          /*0x08 */
99 	U8	VF_ID;                          /*0x09 */
100 	U16	Reserved2;                      /*0x0A */
101 	U16	Reserved3;                      /*0x0C */
102 	U16	IOCStatus;                      /*0x0E */
103 	U32	IOCLogInfo;                     /*0x10 */
104 	U16	ErrorResponseCount;             /*0x14 */
105 	U16	Reserved4;                      /*0x16 */
106 } MPI26_NVME_ENCAPSULATED_ERROR_REPLY,
107 	*PTR_MPI26_NVME_ENCAPSULATED_ERROR_REPLY,
108 	Mpi26NVMeEncapsulatedErrorReply_t,
109 	*pMpi26NVMeEncapsulatedErrorReply_t;
110 
111 
112 #endif
113