--- /dev/null
+/* Copyright 2012 STEC, Inc.
+ *
+ * This file is licensed under the terms of the 3-clause
+ * BSD License (http://opensource.org/licenses/BSD-3-Clause)
+ * or the GNU GPL-2.0 (http://www.gnu.org/licenses/gpl-2.0.html),
+ * at your option. Both licenses are also available in the LICENSE file
+ * distributed with this project. This file may not be copied, modified,
+ * or distributed except in accordance with those terms.
+ */
+
+
+#ifndef SKD_S1120_H
+#define SKD_S1120_H
+
+#pragma pack(push, s1120_h, 1)
+
+/*
+ * Q-channel, 64-bit r/w
+ */
+#define FIT_Q_COMMAND 0x400u
+#define FIT_QCMD_QID_MASK (0x3 << 1)
+#define FIT_QCMD_QID0 (0x0 << 1)
+#define FIT_QCMD_QID_NORMAL FIT_QCMD_QID0
+#define FIT_QCMD_QID1 (0x1 << 1)
+#define FIT_QCMD_QID2 (0x2 << 1)
+#define FIT_QCMD_QID3 (0x3 << 1)
+#define FIT_QCMD_FLUSH_QUEUE (0ull) /* add QID */
+#define FIT_QCMD_MSGSIZE_MASK (0x3 << 4)
+#define FIT_QCMD_MSGSIZE_64 (0x0 << 4)
+#define FIT_QCMD_MSGSIZE_128 (0x1 << 4)
+#define FIT_QCMD_MSGSIZE_256 (0x2 << 4)
+#define FIT_QCMD_MSGSIZE_512 (0x3 << 4)
+#define FIT_QCMD_BASE_ADDRESS_MASK (0xFFFFFFFFFFFFFFC0ull)
+
+/*
+ * Control, 32-bit r/w
+ */
+#define FIT_CONTROL 0x500u
+#define FIT_CR_HARD_RESET (1u << 0u)
+#define FIT_CR_SOFT_RESET (1u << 1u)
+#define FIT_CR_DIS_TIMESTAMPS (1u << 6u)
+#define FIT_CR_ENABLE_INTERRUPTS (1u << 7u)
+
+/*
+ * Status, 32-bit, r/o
+ */
+#define FIT_STATUS 0x510u
+#define FIT_SR_DRIVE_STATE_MASK 0x000000FFu
+#define FIT_SR_SIGNATURE (0xFF << 8)
+#define FIT_SR_PIO_DMA (1 << 16)
+#define FIT_SR_DRIVE_OFFLINE 0x00
+#define FIT_SR_DRIVE_INIT 0x01
+/* #define FIT_SR_DRIVE_READY 0x02 */
+#define FIT_SR_DRIVE_ONLINE 0x03
+#define FIT_SR_DRIVE_BUSY 0x04
+#define FIT_SR_DRIVE_FAULT 0x05
+#define FIT_SR_DRIVE_DEGRADED 0x06
+#define FIT_SR_PCIE_LINK_DOWN 0x07
+#define FIT_SR_DRIVE_SOFT_RESET 0x08
+#define FIT_SR_DRIVE_INIT_FAULT 0x09
+#define FIT_SR_DRIVE_BUSY_SANITIZE 0x0A
+#define FIT_SR_DRIVE_BUSY_ERASE 0x0B
+#define FIT_SR_DRIVE_FW_BOOTING 0x0C
+#define FIT_SR_DRIVE_NEED_FW_DOWNLOAD 0xFE
+#define FIT_SR_DEVICE_MISSING 0xFF
+#define FIT_SR__RESERVED 0xFFFFFF00u
+
+/*
+ * FIT_STATUS - Status register data definition
+ */
+#define FIT_SR_STATE_MASK (0xFF << 0)
+#define FIT_SR_SIGNATURE (0xFF << 8)
+#define FIT_SR_PIO_DMA (1 << 16)
+
+/*
+ * Interrupt status, 32-bit r/w1c (w1c ==> write 1 to clear)
+ */
+#define FIT_INT_STATUS_HOST 0x520u
+#define FIT_ISH_FW_STATE_CHANGE (1u << 0u)
+#define FIT_ISH_COMPLETION_POSTED (1u << 1u)
+#define FIT_ISH_MSG_FROM_DEV (1u << 2u)
+#define FIT_ISH_UNDEFINED_3 (1u << 3u)
+#define FIT_ISH_UNDEFINED_4 (1u << 4u)
+#define FIT_ISH_Q0_FULL (1u << 5u)
+#define FIT_ISH_Q1_FULL (1u << 6u)
+#define FIT_ISH_Q2_FULL (1u << 7u)
+#define FIT_ISH_Q3_FULL (1u << 8u)
+#define FIT_ISH_QCMD_FIFO_OVERRUN (1u << 9u)
+#define FIT_ISH_BAD_EXP_ROM_READ (1u << 10u)
+
+#define FIT_INT_DEF_MASK \
+ (FIT_ISH_FW_STATE_CHANGE | \
+ FIT_ISH_COMPLETION_POSTED | \
+ FIT_ISH_MSG_FROM_DEV | \
+ FIT_ISH_Q0_FULL | \
+ FIT_ISH_Q1_FULL | \
+ FIT_ISH_Q2_FULL | \
+ FIT_ISH_Q3_FULL | \
+ FIT_ISH_QCMD_FIFO_OVERRUN | \
+ FIT_ISH_BAD_EXP_ROM_READ)
+
+#define FIT_INT_QUEUE_FULL \
+ (FIT_ISH_Q0_FULL | \
+ FIT_ISH_Q1_FULL | \
+ FIT_ISH_Q2_FULL | \
+ FIT_ISH_Q3_FULL)
+
+#define MSI_MSG_NWL_ERROR_0 0x00000000
+#define MSI_MSG_NWL_ERROR_1 0x00000001
+#define MSI_MSG_NWL_ERROR_2 0x00000002
+#define MSI_MSG_NWL_ERROR_3 0x00000003
+#define MSI_MSG_STATE_CHANGE 0x00000004
+#define MSI_MSG_COMPLETION_POSTED 0x00000005
+#define MSI_MSG_MSG_FROM_DEV 0x00000006
+#define MSI_MSG_RESERVED_0 0x00000007
+#define MSI_MSG_RESERVED_1 0x00000008
+#define MSI_MSG_QUEUE_0_FULL 0x00000009
+#define MSI_MSG_QUEUE_1_FULL 0x0000000A
+#define MSI_MSG_QUEUE_2_FULL 0x0000000B
+#define MSI_MSG_QUEUE_3_FULL 0x0000000C
+
+#define FIT_INT_RESERVED_MASK \
+ (FIT_ISH_UNDEFINED_3 | \
+ FIT_ISH_UNDEFINED_4)
+
+/*
+ * Interrupt mask, 32-bit r/w
+ * Bit definitions are the same as FIT_INT_STATUS_HOST
+ */
+#define FIT_INT_MASK_HOST 0x528u
+
+/*
+ * Message to device, 32-bit r/w
+ */
+#define FIT_MSG_TO_DEVICE 0x540u
+
+/*
+ * Message from device, 32-bit, r/o
+ */
+#define FIT_MSG_FROM_DEVICE 0x548u
+
+/*
+ * 32-bit messages to/from device, composition/extraction macros
+ */
+#define FIT_MXD_CONS(TYPE, PARAM, DATA) \
+ ((((TYPE) & 0xFFu) << 24u) | \
+ (((PARAM) & 0xFFu) << 16u) | \
+ (((DATA) & 0xFFFFu) << 0u))
+#define FIT_MXD_TYPE(MXD) (((MXD) >> 24u) & 0xFFu)
+#define FIT_MXD_PARAM(MXD) (((MXD) >> 16u) & 0xFFu)
+#define FIT_MXD_DATA(MXD) (((MXD) >> 0u) & 0xFFFFu)
+
+/*
+ * Types of messages to/from device
+ */
+#define FIT_MTD_FITFW_INIT 0x01u
+#define FIT_MTD_GET_CMDQ_DEPTH 0x02u
+#define FIT_MTD_SET_COMPQ_DEPTH 0x03u
+#define FIT_MTD_SET_COMPQ_ADDR 0x04u
+#define FIT_MTD_ARM_QUEUE 0x05u
+#define FIT_MTD_CMD_LOG_HOST_ID 0x07u
+#define FIT_MTD_CMD_LOG_TIME_STAMP_LO 0x08u
+#define FIT_MTD_CMD_LOG_TIME_STAMP_HI 0x09u
+#define FIT_MFD_SMART_EXCEEDED 0x10u
+#define FIT_MFD_POWER_DOWN 0x11u
+#define FIT_MFD_OFFLINE 0x12u
+#define FIT_MFD_ONLINE 0x13u
+#define FIT_MFD_FW_RESTARTING 0x14u
+#define FIT_MFD_PM_ACTIVE 0x15u
+#define FIT_MFD_PM_STANDBY 0x16u
+#define FIT_MFD_PM_SLEEP 0x17u
+#define FIT_MFD_CMD_PROGRESS 0x18u
+
+#define FIT_MTD_DEBUG 0xFEu
+#define FIT_MFD_DEBUG 0xFFu
+
+#define FIT_MFD_MASK (0xFFu)
+#define FIT_MFD_DATA_MASK (0xFFu)
+#define FIT_MFD_MSG(x) (((x) >> 24) & FIT_MFD_MASK)
+#define FIT_MFD_DATA(x) ((x) & FIT_MFD_MASK)
+
+/*
+ * Extra arg to FIT_MSG_TO_DEVICE, 64-bit r/w
+ * Used to set completion queue address (FIT_MTD_SET_COMPQ_ADDR)
+ * (was Response buffer in docs)
+ */
+#define FIT_MSG_TO_DEVICE_ARG 0x580u
+
+/*
+ * Hardware (ASIC) version, 32-bit r/o
+ */
+#define FIT_HW_VERSION 0x588u
+
+/*
+ * Scatter/gather list descriptor.
+ * 32-bytes and must be aligned on a 32-byte boundary.
+ * All fields are in little endian order.
+ */
+struct fit_sg_descriptor {
+ uint32_t control;
+ uint32_t byte_count;
+ uint64_t host_side_addr;
+ uint64_t dev_side_addr;
+ uint64_t next_desc_ptr;
+};
+
+#define FIT_SGD_CONTROL_NOT_LAST 0x000u
+#define FIT_SGD_CONTROL_LAST 0x40Eu
+
+/*
+ * Header at the beginning of a FIT message. The header
+ * is followed by SSDI requests each 64 bytes.
+ * A FIT message can be up to 512 bytes long and must start
+ * on a 64-byte boundary.
+ */
+struct fit_msg_hdr {
+ uint8_t protocol_id;
+ uint8_t num_protocol_cmds_coalesced;
+ uint8_t _reserved[62];
+};
+
+#define FIT_PROTOCOL_ID_FIT 1
+#define FIT_PROTOCOL_ID_SSDI 2
+#define FIT_PROTOCOL_ID_SOFIT 3
+
+
+#define FIT_PROTOCOL_MINOR_VER(mtd_val) ((mtd_val >> 16) & 0xF)
+#define FIT_PROTOCOL_MAJOR_VER(mtd_val) ((mtd_val >> 20) & 0xF)
+
+/*
+ * Format of a completion entry. The completion queue is circular
+ * and must have at least as many entries as the maximum number
+ * of commands that may be issued to the device.
+ *
+ * There are no head/tail pointers. The cycle value is used to
+ * infer the presence of new completion records.
+ * Initially the cycle in all entries is 0, the index is 0, and
+ * the cycle value to expect is 1. When completions are added
+ * their cycle values are set to 1. When the index wraps the
+ * cycle value to expect is incremented.
+ *
+ * Command_context is opaque and taken verbatim from the SSDI command.
+ * All other fields are big endian.
+ */
+#define FIT_PROTOCOL_VERSION_0 0
+
+/*
+ * Protocol major version 1 completion entry.
+ * The major protocol version is found in bits
+ * 20-23 of the FIT_MTD_FITFW_INIT response.
+ */
+struct fit_completion_entry_v1 {
+ uint32_t num_returned_bytes;
+ uint16_t tag;
+ uint8_t status; /* SCSI status */
+ uint8_t cycle;
+};
+#define FIT_PROTOCOL_VERSION_1 1
+#define FIT_PROTOCOL_VERSION_CURRENT FIT_PROTOCOL_VERSION_1
+
+struct fit_comp_error_info {
+ uint8_t type:7; /* 00: Bits0-6 indicates the type of sense data. */
+ uint8_t valid:1; /* 00: Bit 7 := 1 ==> info field is valid. */
+ uint8_t reserved0; /* 01: Obsolete field */
+ uint8_t key:4; /* 02: Bits0-3 indicate the sense key. */
+ uint8_t reserved2:1; /* 02: Reserved bit. */
+ uint8_t bad_length:1; /* 02: Incorrect Length Indicator */
+ uint8_t end_medium:1; /* 02: End of Medium */
+ uint8_t file_mark:1; /* 02: Filemark */
+ uint8_t info[4]; /* 03: */
+ uint8_t reserved1; /* 07: Additional Sense Length */
+ uint8_t cmd_spec[4]; /* 08: Command Specific Information */
+ uint8_t code; /* 0C: Additional Sense Code */
+ uint8_t qual; /* 0D: Additional Sense Code Qualifier */
+ uint8_t fruc; /* 0E: Field Replaceable Unit Code */
+ uint8_t sks_high:7; /* 0F: Sense Key Specific (MSB) */
+ uint8_t sks_valid:1; /* 0F: Sense Key Specific Valid */
+ uint16_t sks_low; /* 10: Sense Key Specific (LSW) */
+ uint16_t reserved3; /* 12: Part of additional sense bytes (unused) */
+ uint16_t uec; /* 14: Additional Sense Bytes */
+ uint64_t per; /* 16: Additional Sense Bytes */
+ uint8_t reserved4[2]; /* 1E: Additional Sense Bytes (unused) */
+};
+
+
+/* Task management constants */
+#define SOFT_TASK_SIMPLE 0x00
+#define SOFT_TASK_HEAD_OF_QUEUE 0x01
+#define SOFT_TASK_ORDERED 0x02
+
+/* Version zero has the last 32 bits reserved,
+ * Version one has the last 32 bits sg_list_len_bytes;
+ */
+struct skd_command_header {
+ uint64_t sg_list_dma_address;
+ uint16_t tag;
+ uint8_t attribute;
+ uint8_t add_cdb_len; /* In 32 bit words */
+ uint32_t sg_list_len_bytes;
+};
+
+struct skd_scsi_request {
+ struct skd_command_header hdr;
+ unsigned char cdb[16];
+/* unsigned char _reserved[16]; */
+};
+
+struct driver_inquiry_data {
+ uint8_t peripheral_device_type:5;
+ uint8_t qualifier:3;
+ uint8_t page_code;
+ uint16_t page_length;
+ uint16_t pcie_bus_number;
+ uint8_t pcie_device_number;
+ uint8_t pcie_function_number;
+ uint8_t pcie_link_speed;
+ uint8_t pcie_link_lanes;
+ uint16_t pcie_vendor_id;
+ uint16_t pcie_device_id;
+ uint16_t pcie_subsystem_vendor_id;
+ uint16_t pcie_subsystem_device_id;
+ uint8_t reserved1[2];
+ uint8_t reserved2[3];
+ uint8_t driver_version_length;
+ uint8_t driver_version[0x14];
+};
+
+#pragma pack(pop, s1120_h)
+
+#endif /* SKD_S1120_H */
Code Review / kvmfornfv.git / blobdiff