2 * HighPoint RR3xxx/4xxx controller driver for Linux
3 * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * Please report bugs/comments/suggestions to linux@highpoint-tech.com
16 * For more information, visit http://www.highpoint-tech.com
21 struct hpt_iopmu_itl {
23 __le32 inbound_msgaddr0;
24 __le32 inbound_msgaddr1;
25 __le32 outbound_msgaddr0;
26 __le32 outbound_msgaddr1;
27 __le32 inbound_doorbell;
28 __le32 inbound_intstatus;
29 __le32 inbound_intmask;
30 __le32 outbound_doorbell;
31 __le32 outbound_intstatus;
32 __le32 outbound_intmask;
35 __le32 outbound_queue;
38 #define IOPMU_QUEUE_EMPTY 0xffffffff
39 #define IOPMU_QUEUE_MASK_HOST_BITS 0xf0000000
40 #define IOPMU_QUEUE_ADDR_HOST_BIT 0x80000000
41 #define IOPMU_QUEUE_REQUEST_SIZE_BIT 0x40000000
42 #define IOPMU_QUEUE_REQUEST_RESULT_BIT 0x40000000
44 #define IOPMU_OUTBOUND_INT_MSG0 1
45 #define IOPMU_OUTBOUND_INT_MSG1 2
46 #define IOPMU_OUTBOUND_INT_DOORBELL 4
47 #define IOPMU_OUTBOUND_INT_POSTQUEUE 8
48 #define IOPMU_OUTBOUND_INT_PCI 0x10
50 #define IOPMU_INBOUND_INT_MSG0 1
51 #define IOPMU_INBOUND_INT_MSG1 2
52 #define IOPMU_INBOUND_INT_DOORBELL 4
53 #define IOPMU_INBOUND_INT_ERROR 8
54 #define IOPMU_INBOUND_INT_POSTQUEUE 0x10
56 #define MVIOP_QUEUE_LEN 512
66 __le64 inbound_q[MVIOP_QUEUE_LEN];
67 __le64 outbound_q[MVIOP_QUEUE_LEN];
70 struct hpt_iopmv_regs {
71 __le32 reserved[0x20400 / 4];
72 __le32 inbound_doorbell;
73 __le32 inbound_intmask;
74 __le32 outbound_doorbell;
75 __le32 outbound_intmask;
78 #define MVIOP_MU_QUEUE_ADDR_HOST_MASK (~(0x1full))
79 #define MVIOP_MU_QUEUE_ADDR_HOST_BIT 4
81 #define MVIOP_MU_QUEUE_ADDR_IOP_HIGH32 0xffffffff
82 #define MVIOP_MU_QUEUE_REQUEST_RESULT_BIT 1
83 #define MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT 2
85 #define MVIOP_MU_INBOUND_INT_MSG 1
86 #define MVIOP_MU_INBOUND_INT_POSTQUEUE 2
87 #define MVIOP_MU_OUTBOUND_INT_MSG 1
88 #define MVIOP_MU_OUTBOUND_INT_POSTQUEUE 2
90 enum hpt_iopmu_message {
91 /* host-to-iop messages */
92 IOPMU_INBOUND_MSG0_NOP = 0,
93 IOPMU_INBOUND_MSG0_RESET,
94 IOPMU_INBOUND_MSG0_FLUSH,
95 IOPMU_INBOUND_MSG0_SHUTDOWN,
96 IOPMU_INBOUND_MSG0_STOP_BACKGROUND_TASK,
97 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK,
98 IOPMU_INBOUND_MSG0_MAX = 0xff,
99 /* iop-to-host messages */
100 IOPMU_OUTBOUND_MSG0_REGISTER_DEVICE_0 = 0x100,
101 IOPMU_OUTBOUND_MSG0_REGISTER_DEVICE_MAX = 0x1ff,
102 IOPMU_OUTBOUND_MSG0_UNREGISTER_DEVICE_0 = 0x200,
103 IOPMU_OUTBOUND_MSG0_UNREGISTER_DEVICE_MAX = 0x2ff,
104 IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_0 = 0x300,
105 IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_MAX = 0x3ff,
108 struct hpt_iop_request_header {
113 __le32 context; /* host context */
117 #define IOP_REQUEST_FLAG_SYNC_REQUEST 1
118 #define IOP_REQUEST_FLAG_BIST_REQUEST 2
119 #define IOP_REQUEST_FLAG_REMAPPED 4
120 #define IOP_REQUEST_FLAG_OUTPUT_CONTEXT 8
122 enum hpt_iop_request_type {
123 IOP_REQUEST_TYPE_GET_CONFIG = 0,
124 IOP_REQUEST_TYPE_SET_CONFIG,
125 IOP_REQUEST_TYPE_BLOCK_COMMAND,
126 IOP_REQUEST_TYPE_SCSI_COMMAND,
127 IOP_REQUEST_TYPE_IOCTL_COMMAND,
131 enum hpt_iop_result_type {
132 IOP_RESULT_PENDING = 0,
137 IOP_RESULT_INVALID_REQUEST,
138 IOP_RESULT_BAD_TARGET,
139 IOP_RESULT_CHECK_CONDITION,
142 struct hpt_iop_request_get_config {
143 struct hpt_iop_request_header header;
144 __le32 interface_version;
145 __le32 firmware_version;
149 __le32 data_transfer_length;
150 __le32 alignment_mask;
155 struct hpt_iop_request_set_config {
156 struct hpt_iop_request_header header;
159 __le16 max_host_request_size;
165 __le32 eot; /* non-zero: end of table */
169 struct hpt_iop_request_block_command {
170 struct hpt_iop_request_header header;
175 __le16 command; /* IOP_BLOCK_COMMAND_{READ,WRITE} */
178 struct hpt_iopsg sg_list[1];
181 #define IOP_BLOCK_COMMAND_READ 1
182 #define IOP_BLOCK_COMMAND_WRITE 2
183 #define IOP_BLOCK_COMMAND_VERIFY 3
184 #define IOP_BLOCK_COMMAND_FLUSH 4
185 #define IOP_BLOCK_COMMAND_SHUTDOWN 5
187 struct hpt_iop_request_scsi_command {
188 struct hpt_iop_request_header header;
194 __le32 dataxfer_length;
195 struct hpt_iopsg sg_list[1];
198 struct hpt_iop_request_ioctl_command {
199 struct hpt_iop_request_header header;
203 __le32 bytes_returned;
205 /* out data should be put at buf[(inbuf_size+3)&~3] */
208 #define HPTIOP_MAX_REQUESTS 256u
210 struct hptiop_request {
211 struct hptiop_request *next;
214 struct scsi_cmnd *scp;
218 struct hpt_scsi_pointer {
221 dma_addr_t dma_handle;
224 #define HPT_SCP(scp) ((struct hpt_scsi_pointer *)&(scp)->SCp)
227 struct hptiop_adapter_ops *ops;
230 struct hpt_iopmu_itl __iomem *iop;
233 struct hpt_iopmv_regs *regs;
234 struct hpt_iopmu_mv __iomem *mu;
236 dma_addr_t internal_req_phy;
240 struct Scsi_Host *host;
241 struct pci_dev *pcidev;
243 /* IOP config info */
244 u32 interface_version;
245 u32 firmware_version;
249 u32 max_request_size;
250 u32 max_sg_descriptors;
252 u32 req_size; /* host-allocated request buffer size */
258 struct hptiop_request * req_list;
259 struct hptiop_request reqs[HPTIOP_MAX_REQUESTS];
261 /* used to free allocated dma area */
263 dma_addr_t dma_coherent_handle;
265 atomic_t reset_count;
268 wait_queue_head_t reset_wq;
269 wait_queue_head_t ioctl_wq;
273 struct hptiop_hba * hba;
280 void (*done)(struct hpt_ioctl_k *);
281 int result; /* HPT_IOCTL_RESULT_ */
284 struct hptiop_adapter_ops {
285 int (*iop_wait_ready)(struct hptiop_hba *hba, u32 millisec);
286 int (*internal_memalloc)(struct hptiop_hba *hba);
287 int (*internal_memfree)(struct hptiop_hba *hba);
288 int (*map_pci_bar)(struct hptiop_hba *hba);
289 void (*unmap_pci_bar)(struct hptiop_hba *hba);
290 void (*enable_intr)(struct hptiop_hba *hba);
291 void (*disable_intr)(struct hptiop_hba *hba);
292 int (*get_config)(struct hptiop_hba *hba,
293 struct hpt_iop_request_get_config *config);
294 int (*set_config)(struct hptiop_hba *hba,
295 struct hpt_iop_request_set_config *config);
296 int (*iop_intr)(struct hptiop_hba *hba);
297 void (*post_msg)(struct hptiop_hba *hba, u32 msg);
298 void (*post_req)(struct hptiop_hba *hba, struct hptiop_request *_req);
301 #define HPT_IOCTL_RESULT_OK 0
302 #define HPT_IOCTL_RESULT_FAILED (-1)
305 #define dprintk(fmt, args...) do { printk(fmt, ##args); } while(0)
307 #define dprintk(fmt, args...)