| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * HighPoint RR3xxx/4xxx controller driver for Linux |
| * Copyright (C) 2006-2015 HighPoint Technologies, Inc. All Rights Reserved. |
| * |
| * Please report bugs/comments/suggestions to linux@highpoint-tech.com |
| * |
| * For more information, visit http://www.highpoint-tech.com |
| */ |
| #ifndef _HPTIOP_H_ |
| #define _HPTIOP_H_ |
| |
| struct hpt_iopmu_itl { |
| __le32 resrved0[4]; |
| __le32 inbound_msgaddr0; |
| __le32 inbound_msgaddr1; |
| __le32 outbound_msgaddr0; |
| __le32 outbound_msgaddr1; |
| __le32 inbound_doorbell; |
| __le32 inbound_intstatus; |
| __le32 inbound_intmask; |
| __le32 outbound_doorbell; |
| __le32 outbound_intstatus; |
| __le32 outbound_intmask; |
| __le32 reserved1[2]; |
| __le32 inbound_queue; |
| __le32 outbound_queue; |
| }; |
| |
| #define IOPMU_QUEUE_EMPTY 0xffffffff |
| #define IOPMU_QUEUE_MASK_HOST_BITS 0xf0000000 |
| #define IOPMU_QUEUE_ADDR_HOST_BIT 0x80000000 |
| #define IOPMU_QUEUE_REQUEST_SIZE_BIT 0x40000000 |
| #define IOPMU_QUEUE_REQUEST_RESULT_BIT 0x40000000 |
| |
| #define IOPMU_OUTBOUND_INT_MSG0 1 |
| #define IOPMU_OUTBOUND_INT_MSG1 2 |
| #define IOPMU_OUTBOUND_INT_DOORBELL 4 |
| #define IOPMU_OUTBOUND_INT_POSTQUEUE 8 |
| #define IOPMU_OUTBOUND_INT_PCI 0x10 |
| |
| #define IOPMU_INBOUND_INT_MSG0 1 |
| #define IOPMU_INBOUND_INT_MSG1 2 |
| #define IOPMU_INBOUND_INT_DOORBELL 4 |
| #define IOPMU_INBOUND_INT_ERROR 8 |
| #define IOPMU_INBOUND_INT_POSTQUEUE 0x10 |
| |
| #define MVIOP_QUEUE_LEN 512 |
| |
| struct hpt_iopmu_mv { |
| __le32 inbound_head; |
| __le32 inbound_tail; |
| __le32 outbound_head; |
| __le32 outbound_tail; |
| __le32 inbound_msg; |
| __le32 outbound_msg; |
| __le32 reserve[10]; |
| __le64 inbound_q[MVIOP_QUEUE_LEN]; |
| __le64 outbound_q[MVIOP_QUEUE_LEN]; |
| }; |
| |
| struct hpt_iopmv_regs { |
| __le32 reserved[0x20400 / 4]; |
| __le32 inbound_doorbell; |
| __le32 inbound_intmask; |
| __le32 outbound_doorbell; |
| __le32 outbound_intmask; |
| }; |
| |
| #pragma pack(1) |
| struct hpt_iopmu_mvfrey { |
| __le32 reserved0[(0x4000 - 0) / 4]; |
| __le32 inbound_base; |
| __le32 inbound_base_high; |
| __le32 reserved1[(0x4018 - 0x4008) / 4]; |
| __le32 inbound_write_ptr; |
| __le32 reserved2[(0x402c - 0x401c) / 4]; |
| __le32 inbound_conf_ctl; |
| __le32 reserved3[(0x4050 - 0x4030) / 4]; |
| __le32 outbound_base; |
| __le32 outbound_base_high; |
| __le32 outbound_shadow_base; |
| __le32 outbound_shadow_base_high; |
| __le32 reserved4[(0x4088 - 0x4060) / 4]; |
| __le32 isr_cause; |
| __le32 isr_enable; |
| __le32 reserved5[(0x1020c - 0x4090) / 4]; |
| __le32 pcie_f0_int_enable; |
| __le32 reserved6[(0x10400 - 0x10210) / 4]; |
| __le32 f0_to_cpu_msg_a; |
| __le32 reserved7[(0x10420 - 0x10404) / 4]; |
| __le32 cpu_to_f0_msg_a; |
| __le32 reserved8[(0x10480 - 0x10424) / 4]; |
| __le32 f0_doorbell; |
| __le32 f0_doorbell_enable; |
| }; |
| |
| struct mvfrey_inlist_entry { |
| dma_addr_t addr; |
| __le32 intrfc_len; |
| __le32 reserved; |
| }; |
| |
| struct mvfrey_outlist_entry { |
| __le32 val; |
| }; |
| #pragma pack() |
| |
| #define MVIOP_MU_QUEUE_ADDR_HOST_MASK (~(0x1full)) |
| #define MVIOP_MU_QUEUE_ADDR_HOST_BIT 4 |
| |
| #define MVIOP_MU_QUEUE_ADDR_IOP_HIGH32 0xffffffff |
| #define MVIOP_MU_QUEUE_REQUEST_RESULT_BIT 1 |
| #define MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT 2 |
| |
| #define MVIOP_MU_INBOUND_INT_MSG 1 |
| #define MVIOP_MU_INBOUND_INT_POSTQUEUE 2 |
| #define MVIOP_MU_OUTBOUND_INT_MSG 1 |
| #define MVIOP_MU_OUTBOUND_INT_POSTQUEUE 2 |
| |
| #define CL_POINTER_TOGGLE 0x00004000 |
| #define CPU_TO_F0_DRBL_MSG_BIT 0x02000000 |
| |
| enum hpt_iopmu_message { |
| /* host-to-iop messages */ |
| IOPMU_INBOUND_MSG0_NOP = 0, |
| IOPMU_INBOUND_MSG0_RESET, |
| IOPMU_INBOUND_MSG0_FLUSH, |
| IOPMU_INBOUND_MSG0_SHUTDOWN, |
| IOPMU_INBOUND_MSG0_STOP_BACKGROUND_TASK, |
| IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, |
| IOPMU_INBOUND_MSG0_RESET_COMM, |
| IOPMU_INBOUND_MSG0_MAX = 0xff, |
| /* iop-to-host messages */ |
| IOPMU_OUTBOUND_MSG0_REGISTER_DEVICE_0 = 0x100, |
| IOPMU_OUTBOUND_MSG0_REGISTER_DEVICE_MAX = 0x1ff, |
| IOPMU_OUTBOUND_MSG0_UNREGISTER_DEVICE_0 = 0x200, |
| IOPMU_OUTBOUND_MSG0_UNREGISTER_DEVICE_MAX = 0x2ff, |
| IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_0 = 0x300, |
| IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_MAX = 0x3ff, |
| }; |
| |
| struct hpt_iop_request_header { |
| __le32 size; |
| __le32 type; |
| __le32 flags; |
| __le32 result; |
| __le32 context; /* host context */ |
| __le32 context_hi32; |
| }; |
| |
| #define IOP_REQUEST_FLAG_SYNC_REQUEST 1 |
| #define IOP_REQUEST_FLAG_BIST_REQUEST 2 |
| #define IOP_REQUEST_FLAG_REMAPPED 4 |
| #define IOP_REQUEST_FLAG_OUTPUT_CONTEXT 8 |
| #define IOP_REQUEST_FLAG_ADDR_BITS 0x40 /* flags[31:16] is phy_addr[47:32] */ |
| |
| enum hpt_iop_request_type { |
| IOP_REQUEST_TYPE_GET_CONFIG = 0, |
| IOP_REQUEST_TYPE_SET_CONFIG, |
| IOP_REQUEST_TYPE_BLOCK_COMMAND, |
| IOP_REQUEST_TYPE_SCSI_COMMAND, |
| IOP_REQUEST_TYPE_IOCTL_COMMAND, |
| IOP_REQUEST_TYPE_MAX |
| }; |
| |
| enum hpt_iop_result_type { |
| IOP_RESULT_PENDING = 0, |
| IOP_RESULT_SUCCESS, |
| IOP_RESULT_FAIL, |
| IOP_RESULT_BUSY, |
| IOP_RESULT_RESET, |
| IOP_RESULT_INVALID_REQUEST, |
| IOP_RESULT_BAD_TARGET, |
| IOP_RESULT_CHECK_CONDITION, |
| }; |
| |
| struct hpt_iop_request_get_config { |
| struct hpt_iop_request_header header; |
| __le32 interface_version; |
| __le32 firmware_version; |
| __le32 max_requests; |
| __le32 request_size; |
| __le32 max_sg_count; |
| __le32 data_transfer_length; |
| __le32 alignment_mask; |
| __le32 max_devices; |
| __le32 sdram_size; |
| }; |
| |
| struct hpt_iop_request_set_config { |
| struct hpt_iop_request_header header; |
| __le32 iop_id; |
| __le16 vbus_id; |
| __le16 max_host_request_size; |
| __le32 reserve[6]; |
| }; |
| |
| struct hpt_iopsg { |
| __le32 size; |
| __le32 eot; /* non-zero: end of table */ |
| __le64 pci_address; |
| }; |
| |
| struct hpt_iop_request_block_command { |
| struct hpt_iop_request_header header; |
| u8 channel; |
| u8 target; |
| u8 lun; |
| u8 pad1; |
| __le16 command; /* IOP_BLOCK_COMMAND_{READ,WRITE} */ |
| __le16 sectors; |
| __le64 lba; |
| struct hpt_iopsg sg_list[1]; |
| }; |
| |
| #define IOP_BLOCK_COMMAND_READ 1 |
| #define IOP_BLOCK_COMMAND_WRITE 2 |
| #define IOP_BLOCK_COMMAND_VERIFY 3 |
| #define IOP_BLOCK_COMMAND_FLUSH 4 |
| #define IOP_BLOCK_COMMAND_SHUTDOWN 5 |
| |
| struct hpt_iop_request_scsi_command { |
| struct hpt_iop_request_header header; |
| u8 channel; |
| u8 target; |
| u8 lun; |
| u8 pad1; |
| u8 cdb[16]; |
| __le32 dataxfer_length; |
| struct hpt_iopsg sg_list[]; |
| }; |
| |
| struct hpt_iop_request_ioctl_command { |
| struct hpt_iop_request_header header; |
| __le32 ioctl_code; |
| __le32 inbuf_size; |
| __le32 outbuf_size; |
| __le32 bytes_returned; |
| u8 buf[]; |
| /* out data should be put at buf[(inbuf_size+3)&~3] */ |
| }; |
| |
| #define HPTIOP_MAX_REQUESTS 256u |
| |
| struct hptiop_request { |
| struct hptiop_request *next; |
| void *req_virt; |
| u32 req_shifted_phy; |
| struct scsi_cmnd *scp; |
| int index; |
| }; |
| |
| struct hpt_cmd_priv { |
| int mapped; |
| int sgcnt; |
| dma_addr_t dma_handle; |
| }; |
| |
| #define HPT_SCP(scp) ((struct hpt_cmd_priv *)scsi_cmd_priv(scp)) |
| |
| enum hptiop_family { |
| UNKNOWN_BASED_IOP, |
| INTEL_BASED_IOP, |
| MV_BASED_IOP, |
| MVFREY_BASED_IOP |
| } ; |
| |
| struct hptiop_hba { |
| struct hptiop_adapter_ops *ops; |
| union { |
| struct { |
| struct hpt_iopmu_itl __iomem *iop; |
| void __iomem *plx; |
| } itl; |
| struct { |
| struct hpt_iopmv_regs *regs; |
| struct hpt_iopmu_mv __iomem *mu; |
| void *internal_req; |
| dma_addr_t internal_req_phy; |
| } mv; |
| struct { |
| struct hpt_iop_request_get_config __iomem *config; |
| struct hpt_iopmu_mvfrey __iomem *mu; |
| |
| int internal_mem_size; |
| struct hptiop_request internal_req; |
| int list_count; |
| struct mvfrey_inlist_entry *inlist; |
| dma_addr_t inlist_phy; |
| __le32 inlist_wptr; |
| struct mvfrey_outlist_entry *outlist; |
| dma_addr_t outlist_phy; |
| __le32 *outlist_cptr; /* copy pointer shadow */ |
| dma_addr_t outlist_cptr_phy; |
| __le32 outlist_rptr; |
| } mvfrey; |
| } u; |
| |
| struct Scsi_Host *host; |
| struct pci_dev *pcidev; |
| |
| /* IOP config info */ |
| u32 interface_version; |
| u32 firmware_version; |
| u32 sdram_size; |
| u32 max_devices; |
| u32 max_requests; |
| u32 max_request_size; |
| u32 max_sg_descriptors; |
| |
| u32 req_size; /* host-allocated request buffer size */ |
| |
| u32 iopintf_v2: 1; |
| u32 initialized: 1; |
| u32 msg_done: 1; |
| |
| struct hptiop_request * req_list; |
| struct hptiop_request reqs[HPTIOP_MAX_REQUESTS]; |
| |
| /* used to free allocated dma area */ |
| void *dma_coherent[HPTIOP_MAX_REQUESTS]; |
| dma_addr_t dma_coherent_handle[HPTIOP_MAX_REQUESTS]; |
| |
| atomic_t reset_count; |
| atomic_t resetting; |
| |
| wait_queue_head_t reset_wq; |
| wait_queue_head_t ioctl_wq; |
| }; |
| |
| struct hpt_ioctl_k { |
| struct hptiop_hba * hba; |
| u32 ioctl_code; |
| u32 inbuf_size; |
| u32 outbuf_size; |
| void *inbuf; |
| void *outbuf; |
| u32 *bytes_returned; |
| void (*done)(struct hpt_ioctl_k *); |
| int result; /* HPT_IOCTL_RESULT_ */ |
| }; |
| |
| struct hptiop_adapter_ops { |
| enum hptiop_family family; |
| int (*iop_wait_ready)(struct hptiop_hba *hba, u32 millisec); |
| int (*internal_memalloc)(struct hptiop_hba *hba); |
| int (*internal_memfree)(struct hptiop_hba *hba); |
| int (*map_pci_bar)(struct hptiop_hba *hba); |
| void (*unmap_pci_bar)(struct hptiop_hba *hba); |
| void (*enable_intr)(struct hptiop_hba *hba); |
| void (*disable_intr)(struct hptiop_hba *hba); |
| int (*get_config)(struct hptiop_hba *hba, |
| struct hpt_iop_request_get_config *config); |
| int (*set_config)(struct hptiop_hba *hba, |
| struct hpt_iop_request_set_config *config); |
| int (*iop_intr)(struct hptiop_hba *hba); |
| void (*post_msg)(struct hptiop_hba *hba, u32 msg); |
| void (*post_req)(struct hptiop_hba *hba, struct hptiop_request *_req); |
| int hw_dma_bit_mask; |
| int (*reset_comm)(struct hptiop_hba *hba); |
| __le64 host_phy_flag; |
| }; |
| |
| #define HPT_IOCTL_RESULT_OK 0 |
| #define HPT_IOCTL_RESULT_FAILED (-1) |
| |
| #if 0 |
| #define dprintk(fmt, args...) do { printk(fmt, ##args); } while(0) |
| #else |
| #define dprintk(fmt, args...) |
| #endif |
| |
| #endif |
