HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1 | /* |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 2 | * HighPoint RR3xxx/4xxx controller driver for Linux |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 3 | * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved. |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 4 | * |
| 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. |
| 8 | * |
| 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. |
| 13 | * |
| 14 | * Please report bugs/comments/suggestions to linux@highpoint-tech.com |
| 15 | * |
| 16 | * For more information, visit http://www.highpoint-tech.com |
| 17 | */ |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 18 | #include <linux/module.h> |
| 19 | #include <linux/types.h> |
| 20 | #include <linux/string.h> |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/pci.h> |
| 23 | #include <linux/interrupt.h> |
| 24 | #include <linux/errno.h> |
| 25 | #include <linux/delay.h> |
| 26 | #include <linux/timer.h> |
| 27 | #include <linux/spinlock.h> |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 28 | #include <asm/uaccess.h> |
| 29 | #include <asm/io.h> |
| 30 | #include <asm/div64.h> |
| 31 | #include <scsi/scsi_cmnd.h> |
| 32 | #include <scsi/scsi_device.h> |
| 33 | #include <scsi/scsi.h> |
| 34 | #include <scsi/scsi_tcq.h> |
| 35 | #include <scsi/scsi_host.h> |
| 36 | |
| 37 | #include "hptiop.h" |
| 38 | |
| 39 | MODULE_AUTHOR("HighPoint Technologies, Inc."); |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 40 | MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver"); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 41 | |
| 42 | static char driver_name[] = "hptiop"; |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 43 | static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver"; |
| 44 | static const char driver_ver[] = "v1.3 (071203)"; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 45 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 46 | static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec); |
| 47 | static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag, |
| 48 | struct hpt_iop_request_scsi_command *req); |
| 49 | static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 tag); |
| 50 | static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 51 | static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg); |
| 52 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 53 | static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 54 | { |
| 55 | u32 req = 0; |
| 56 | int i; |
| 57 | |
| 58 | for (i = 0; i < millisec; i++) { |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 59 | req = readl(&hba->u.itl.iop->inbound_queue); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 60 | if (req != IOPMU_QUEUE_EMPTY) |
| 61 | break; |
| 62 | msleep(1); |
| 63 | } |
| 64 | |
| 65 | if (req != IOPMU_QUEUE_EMPTY) { |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 66 | writel(req, &hba->u.itl.iop->outbound_queue); |
| 67 | readl(&hba->u.itl.iop->outbound_intstatus); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | return -1; |
| 72 | } |
| 73 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 74 | static int iop_wait_ready_mv(struct hptiop_hba *hba, u32 millisec) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 75 | { |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 76 | return iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_NOP, millisec); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 77 | } |
| 78 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 79 | static void hptiop_request_callback_itl(struct hptiop_hba *hba, u32 tag) |
| 80 | { |
| 81 | if (tag & IOPMU_QUEUE_ADDR_HOST_BIT) |
| 82 | hptiop_host_request_callback_itl(hba, |
| 83 | tag & ~IOPMU_QUEUE_ADDR_HOST_BIT); |
| 84 | else |
| 85 | hptiop_iop_request_callback_itl(hba, tag); |
| 86 | } |
| 87 | |
| 88 | static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 89 | { |
| 90 | u32 req; |
| 91 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 92 | while ((req = readl(&hba->u.itl.iop->outbound_queue)) != |
| 93 | IOPMU_QUEUE_EMPTY) { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 94 | |
| 95 | if (req & IOPMU_QUEUE_MASK_HOST_BITS) |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 96 | hptiop_request_callback_itl(hba, req); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 97 | else { |
| 98 | struct hpt_iop_request_header __iomem * p; |
| 99 | |
| 100 | p = (struct hpt_iop_request_header __iomem *) |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 101 | ((char __iomem *)hba->u.itl.iop + req); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 102 | |
| 103 | if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) { |
| 104 | if (readl(&p->context)) |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 105 | hptiop_request_callback_itl(hba, req); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 106 | else |
| 107 | writel(1, &p->context); |
| 108 | } |
| 109 | else |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 110 | hptiop_request_callback_itl(hba, req); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 111 | } |
| 112 | } |
| 113 | } |
| 114 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 115 | static int iop_intr_itl(struct hptiop_hba *hba) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 116 | { |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 117 | struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 118 | u32 status; |
| 119 | int ret = 0; |
| 120 | |
| 121 | status = readl(&iop->outbound_intstatus); |
| 122 | |
| 123 | if (status & IOPMU_OUTBOUND_INT_MSG0) { |
| 124 | u32 msg = readl(&iop->outbound_msgaddr0); |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 125 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 126 | dprintk("received outbound msg %x\n", msg); |
| 127 | writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus); |
| 128 | hptiop_message_callback(hba, msg); |
| 129 | ret = 1; |
| 130 | } |
| 131 | |
| 132 | if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) { |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 133 | hptiop_drain_outbound_queue_itl(hba); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 134 | ret = 1; |
| 135 | } |
| 136 | |
| 137 | return ret; |
| 138 | } |
| 139 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 140 | static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu) |
| 141 | { |
| 142 | u32 outbound_tail = readl(&mu->outbound_tail); |
| 143 | u32 outbound_head = readl(&mu->outbound_head); |
| 144 | |
| 145 | if (outbound_tail != outbound_head) { |
| 146 | u64 p; |
| 147 | |
| 148 | memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8); |
| 149 | outbound_tail++; |
| 150 | |
| 151 | if (outbound_tail == MVIOP_QUEUE_LEN) |
| 152 | outbound_tail = 0; |
| 153 | writel(outbound_tail, &mu->outbound_tail); |
| 154 | return p; |
| 155 | } else |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | static void mv_inbound_write(u64 p, struct hptiop_hba *hba) |
| 160 | { |
| 161 | u32 inbound_head = readl(&hba->u.mv.mu->inbound_head); |
| 162 | u32 head = inbound_head + 1; |
| 163 | |
| 164 | if (head == MVIOP_QUEUE_LEN) |
| 165 | head = 0; |
| 166 | |
| 167 | memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8); |
| 168 | writel(head, &hba->u.mv.mu->inbound_head); |
| 169 | writel(MVIOP_MU_INBOUND_INT_POSTQUEUE, |
| 170 | &hba->u.mv.regs->inbound_doorbell); |
| 171 | } |
| 172 | |
| 173 | static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag) |
| 174 | { |
| 175 | u32 req_type = (tag >> 5) & 0x7; |
| 176 | struct hpt_iop_request_scsi_command *req; |
| 177 | |
| 178 | dprintk("hptiop_request_callback_mv: tag=%llx\n", tag); |
| 179 | |
| 180 | BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0); |
| 181 | |
| 182 | switch (req_type) { |
| 183 | case IOP_REQUEST_TYPE_GET_CONFIG: |
| 184 | case IOP_REQUEST_TYPE_SET_CONFIG: |
| 185 | hba->msg_done = 1; |
| 186 | break; |
| 187 | |
| 188 | case IOP_REQUEST_TYPE_SCSI_COMMAND: |
| 189 | req = hba->reqs[tag >> 8].req_virt; |
| 190 | if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT)) |
| 191 | req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS); |
| 192 | |
| 193 | hptiop_finish_scsi_req(hba, tag>>8, req); |
| 194 | break; |
| 195 | |
| 196 | default: |
| 197 | break; |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | static int iop_intr_mv(struct hptiop_hba *hba) |
| 202 | { |
| 203 | u32 status; |
| 204 | int ret = 0; |
| 205 | |
| 206 | status = readl(&hba->u.mv.regs->outbound_doorbell); |
| 207 | writel(~status, &hba->u.mv.regs->outbound_doorbell); |
| 208 | |
| 209 | if (status & MVIOP_MU_OUTBOUND_INT_MSG) { |
| 210 | u32 msg; |
| 211 | msg = readl(&hba->u.mv.mu->outbound_msg); |
| 212 | dprintk("received outbound msg %x\n", msg); |
| 213 | hptiop_message_callback(hba, msg); |
| 214 | ret = 1; |
| 215 | } |
| 216 | |
| 217 | if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) { |
| 218 | u64 tag; |
| 219 | |
| 220 | while ((tag = mv_outbound_read(hba->u.mv.mu))) |
| 221 | hptiop_request_callback_mv(hba, tag); |
| 222 | ret = 1; |
| 223 | } |
| 224 | |
| 225 | return ret; |
| 226 | } |
| 227 | |
| 228 | static int iop_send_sync_request_itl(struct hptiop_hba *hba, |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 229 | void __iomem *_req, u32 millisec) |
| 230 | { |
| 231 | struct hpt_iop_request_header __iomem *req = _req; |
| 232 | u32 i; |
| 233 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 234 | writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 235 | writel(0, &req->context); |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 236 | writel((unsigned long)req - (unsigned long)hba->u.itl.iop, |
| 237 | &hba->u.itl.iop->inbound_queue); |
| 238 | readl(&hba->u.itl.iop->outbound_intstatus); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 239 | |
| 240 | for (i = 0; i < millisec; i++) { |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 241 | iop_intr_itl(hba); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 242 | if (readl(&req->context)) |
| 243 | return 0; |
| 244 | msleep(1); |
| 245 | } |
| 246 | |
| 247 | return -1; |
| 248 | } |
| 249 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 250 | static int iop_send_sync_request_mv(struct hptiop_hba *hba, |
| 251 | u32 size_bits, u32 millisec) |
| 252 | { |
| 253 | struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req; |
| 254 | u32 i; |
| 255 | |
| 256 | hba->msg_done = 0; |
| 257 | reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST); |
| 258 | mv_inbound_write(hba->u.mv.internal_req_phy | |
| 259 | MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba); |
| 260 | |
| 261 | for (i = 0; i < millisec; i++) { |
| 262 | iop_intr_mv(hba); |
| 263 | if (hba->msg_done) |
| 264 | return 0; |
| 265 | msleep(1); |
| 266 | } |
| 267 | return -1; |
| 268 | } |
| 269 | |
| 270 | static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg) |
| 271 | { |
| 272 | writel(msg, &hba->u.itl.iop->inbound_msgaddr0); |
| 273 | readl(&hba->u.itl.iop->outbound_intstatus); |
| 274 | } |
| 275 | |
| 276 | static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg) |
| 277 | { |
| 278 | writel(msg, &hba->u.mv.mu->inbound_msg); |
| 279 | writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell); |
| 280 | readl(&hba->u.mv.regs->inbound_doorbell); |
| 281 | } |
| 282 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 283 | static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec) |
| 284 | { |
| 285 | u32 i; |
| 286 | |
| 287 | hba->msg_done = 0; |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 288 | hba->ops->post_msg(hba, msg); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 289 | |
| 290 | for (i = 0; i < millisec; i++) { |
| 291 | spin_lock_irq(hba->host->host_lock); |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 292 | hba->ops->iop_intr(hba); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 293 | spin_unlock_irq(hba->host->host_lock); |
| 294 | if (hba->msg_done) |
| 295 | break; |
| 296 | msleep(1); |
| 297 | } |
| 298 | |
| 299 | return hba->msg_done? 0 : -1; |
| 300 | } |
| 301 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 302 | static int iop_get_config_itl(struct hptiop_hba *hba, |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 303 | struct hpt_iop_request_get_config *config) |
| 304 | { |
| 305 | u32 req32; |
| 306 | struct hpt_iop_request_get_config __iomem *req; |
| 307 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 308 | req32 = readl(&hba->u.itl.iop->inbound_queue); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 309 | if (req32 == IOPMU_QUEUE_EMPTY) |
| 310 | return -1; |
| 311 | |
| 312 | req = (struct hpt_iop_request_get_config __iomem *) |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 313 | ((unsigned long)hba->u.itl.iop + req32); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 314 | |
| 315 | writel(0, &req->header.flags); |
| 316 | writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type); |
| 317 | writel(sizeof(struct hpt_iop_request_get_config), &req->header.size); |
| 318 | writel(IOP_RESULT_PENDING, &req->header.result); |
| 319 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 320 | if (iop_send_sync_request_itl(hba, req, 20000)) { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 321 | dprintk("Get config send cmd failed\n"); |
| 322 | return -1; |
| 323 | } |
| 324 | |
| 325 | memcpy_fromio(config, req, sizeof(*config)); |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 326 | writel(req32, &hba->u.itl.iop->outbound_queue); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 327 | return 0; |
| 328 | } |
| 329 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 330 | static int iop_get_config_mv(struct hptiop_hba *hba, |
| 331 | struct hpt_iop_request_get_config *config) |
| 332 | { |
| 333 | struct hpt_iop_request_get_config *req = hba->u.mv.internal_req; |
| 334 | |
| 335 | req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT); |
| 336 | req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG); |
| 337 | req->header.size = |
| 338 | cpu_to_le32(sizeof(struct hpt_iop_request_get_config)); |
| 339 | req->header.result = cpu_to_le32(IOP_RESULT_PENDING); |
James Bottomley | f6b196a | 2008-03-30 12:36:26 -0500 | [diff] [blame] | 340 | req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5); |
| 341 | req->header.context_hi32 = 0; |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 342 | |
| 343 | if (iop_send_sync_request_mv(hba, 0, 20000)) { |
| 344 | dprintk("Get config send cmd failed\n"); |
| 345 | return -1; |
| 346 | } |
| 347 | |
| 348 | memcpy(config, req, sizeof(struct hpt_iop_request_get_config)); |
| 349 | return 0; |
| 350 | } |
| 351 | |
| 352 | static int iop_set_config_itl(struct hptiop_hba *hba, |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 353 | struct hpt_iop_request_set_config *config) |
| 354 | { |
| 355 | u32 req32; |
| 356 | struct hpt_iop_request_set_config __iomem *req; |
| 357 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 358 | req32 = readl(&hba->u.itl.iop->inbound_queue); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 359 | if (req32 == IOPMU_QUEUE_EMPTY) |
| 360 | return -1; |
| 361 | |
| 362 | req = (struct hpt_iop_request_set_config __iomem *) |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 363 | ((unsigned long)hba->u.itl.iop + req32); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 364 | |
| 365 | memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header), |
| 366 | (u8 *)config + sizeof(struct hpt_iop_request_header), |
| 367 | sizeof(struct hpt_iop_request_set_config) - |
| 368 | sizeof(struct hpt_iop_request_header)); |
| 369 | |
| 370 | writel(0, &req->header.flags); |
| 371 | writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type); |
| 372 | writel(sizeof(struct hpt_iop_request_set_config), &req->header.size); |
| 373 | writel(IOP_RESULT_PENDING, &req->header.result); |
| 374 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 375 | if (iop_send_sync_request_itl(hba, req, 20000)) { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 376 | dprintk("Set config send cmd failed\n"); |
| 377 | return -1; |
| 378 | } |
| 379 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 380 | writel(req32, &hba->u.itl.iop->outbound_queue); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 381 | return 0; |
| 382 | } |
| 383 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 384 | static int iop_set_config_mv(struct hptiop_hba *hba, |
| 385 | struct hpt_iop_request_set_config *config) |
| 386 | { |
| 387 | struct hpt_iop_request_set_config *req = hba->u.mv.internal_req; |
| 388 | |
| 389 | memcpy(req, config, sizeof(struct hpt_iop_request_set_config)); |
| 390 | req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT); |
| 391 | req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG); |
| 392 | req->header.size = |
| 393 | cpu_to_le32(sizeof(struct hpt_iop_request_set_config)); |
| 394 | req->header.result = cpu_to_le32(IOP_RESULT_PENDING); |
James Bottomley | f6b196a | 2008-03-30 12:36:26 -0500 | [diff] [blame] | 395 | req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5); |
| 396 | req->header.context_hi32 = 0; |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 397 | |
| 398 | if (iop_send_sync_request_mv(hba, 0, 20000)) { |
| 399 | dprintk("Set config send cmd failed\n"); |
| 400 | return -1; |
| 401 | } |
| 402 | |
| 403 | return 0; |
| 404 | } |
| 405 | |
| 406 | static void hptiop_enable_intr_itl(struct hptiop_hba *hba) |
| 407 | { |
| 408 | writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0), |
| 409 | &hba->u.itl.iop->outbound_intmask); |
| 410 | } |
| 411 | |
| 412 | static void hptiop_enable_intr_mv(struct hptiop_hba *hba) |
| 413 | { |
| 414 | writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG, |
| 415 | &hba->u.mv.regs->outbound_intmask); |
| 416 | } |
| 417 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 418 | static int hptiop_initialize_iop(struct hptiop_hba *hba) |
| 419 | { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 420 | /* enable interrupts */ |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 421 | hba->ops->enable_intr(hba); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 422 | |
| 423 | hba->initialized = 1; |
| 424 | |
| 425 | /* start background tasks */ |
| 426 | if (iop_send_sync_msg(hba, |
| 427 | IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) { |
| 428 | printk(KERN_ERR "scsi%d: fail to start background task\n", |
| 429 | hba->host->host_no); |
| 430 | return -1; |
| 431 | } |
| 432 | return 0; |
| 433 | } |
| 434 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 435 | static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 436 | { |
| 437 | u32 mem_base_phy, length; |
| 438 | void __iomem *mem_base_virt; |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 439 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 440 | struct pci_dev *pcidev = hba->pcidev; |
| 441 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 442 | |
| 443 | if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 444 | printk(KERN_ERR "scsi%d: pci resource invalid\n", |
| 445 | hba->host->host_no); |
Harvey Harrison | 9bcf091 | 2008-05-22 15:45:07 -0700 | [diff] [blame] | 446 | return NULL; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 447 | } |
| 448 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 449 | mem_base_phy = pci_resource_start(pcidev, index); |
| 450 | length = pci_resource_len(pcidev, index); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 451 | mem_base_virt = ioremap(mem_base_phy, length); |
| 452 | |
| 453 | if (!mem_base_virt) { |
| 454 | printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n", |
| 455 | hba->host->host_no); |
Harvey Harrison | 9bcf091 | 2008-05-22 15:45:07 -0700 | [diff] [blame] | 456 | return NULL; |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 457 | } |
| 458 | return mem_base_virt; |
| 459 | } |
| 460 | |
| 461 | static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba) |
| 462 | { |
| 463 | hba->u.itl.iop = hptiop_map_pci_bar(hba, 0); |
| 464 | if (hba->u.itl.iop) |
| 465 | return 0; |
| 466 | else |
| 467 | return -1; |
| 468 | } |
| 469 | |
| 470 | static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba) |
| 471 | { |
| 472 | iounmap(hba->u.itl.iop); |
| 473 | } |
| 474 | |
| 475 | static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba) |
| 476 | { |
| 477 | hba->u.mv.regs = hptiop_map_pci_bar(hba, 0); |
Harvey Harrison | 9bcf091 | 2008-05-22 15:45:07 -0700 | [diff] [blame] | 478 | if (hba->u.mv.regs == NULL) |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 479 | return -1; |
| 480 | |
| 481 | hba->u.mv.mu = hptiop_map_pci_bar(hba, 2); |
Harvey Harrison | 9bcf091 | 2008-05-22 15:45:07 -0700 | [diff] [blame] | 482 | if (hba->u.mv.mu == NULL) { |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 483 | iounmap(hba->u.mv.regs); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 484 | return -1; |
| 485 | } |
| 486 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 487 | return 0; |
| 488 | } |
| 489 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 490 | static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba) |
| 491 | { |
| 492 | iounmap(hba->u.mv.regs); |
| 493 | iounmap(hba->u.mv.mu); |
| 494 | } |
| 495 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 496 | static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg) |
| 497 | { |
| 498 | dprintk("iop message 0x%x\n", msg); |
| 499 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 500 | if (msg == IOPMU_INBOUND_MSG0_NOP) |
| 501 | hba->msg_done = 1; |
| 502 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 503 | if (!hba->initialized) |
| 504 | return; |
| 505 | |
| 506 | if (msg == IOPMU_INBOUND_MSG0_RESET) { |
| 507 | atomic_set(&hba->resetting, 0); |
| 508 | wake_up(&hba->reset_wq); |
| 509 | } |
| 510 | else if (msg <= IOPMU_INBOUND_MSG0_MAX) |
| 511 | hba->msg_done = 1; |
| 512 | } |
| 513 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 514 | static struct hptiop_request *get_req(struct hptiop_hba *hba) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 515 | { |
| 516 | struct hptiop_request *ret; |
| 517 | |
| 518 | dprintk("get_req : req=%p\n", hba->req_list); |
| 519 | |
| 520 | ret = hba->req_list; |
| 521 | if (ret) |
| 522 | hba->req_list = ret->next; |
| 523 | |
| 524 | return ret; |
| 525 | } |
| 526 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 527 | static void free_req(struct hptiop_hba *hba, struct hptiop_request *req) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 528 | { |
| 529 | dprintk("free_req(%d, %p)\n", req->index, req); |
| 530 | req->next = hba->req_list; |
| 531 | hba->req_list = req; |
| 532 | } |
| 533 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 534 | static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag, |
| 535 | struct hpt_iop_request_scsi_command *req) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 536 | { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 537 | struct scsi_cmnd *scp; |
| 538 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 539 | dprintk("hptiop_finish_scsi_req: req=%p, type=%d, " |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 540 | "result=%d, context=0x%x tag=%d\n", |
| 541 | req, req->header.type, req->header.result, |
| 542 | req->header.context, tag); |
| 543 | |
| 544 | BUG_ON(!req->header.result); |
| 545 | BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND)); |
| 546 | |
| 547 | scp = hba->reqs[tag].scp; |
| 548 | |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 549 | if (HPT_SCP(scp)->mapped) |
| 550 | scsi_dma_unmap(scp); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 551 | |
| 552 | switch (le32_to_cpu(req->header.result)) { |
| 553 | case IOP_RESULT_SUCCESS: |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 554 | scsi_set_resid(scp, |
| 555 | scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length)); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 556 | scp->result = (DID_OK<<16); |
| 557 | break; |
| 558 | case IOP_RESULT_BAD_TARGET: |
| 559 | scp->result = (DID_BAD_TARGET<<16); |
| 560 | break; |
| 561 | case IOP_RESULT_BUSY: |
| 562 | scp->result = (DID_BUS_BUSY<<16); |
| 563 | break; |
| 564 | case IOP_RESULT_RESET: |
| 565 | scp->result = (DID_RESET<<16); |
| 566 | break; |
| 567 | case IOP_RESULT_FAIL: |
| 568 | scp->result = (DID_ERROR<<16); |
| 569 | break; |
| 570 | case IOP_RESULT_INVALID_REQUEST: |
| 571 | scp->result = (DID_ABORT<<16); |
| 572 | break; |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 573 | case IOP_RESULT_CHECK_CONDITION: |
| 574 | scsi_set_resid(scp, |
| 575 | scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length)); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 576 | scp->result = SAM_STAT_CHECK_CONDITION; |
FUJITA Tomonori | c372f4a | 2008-01-27 10:22:26 +0900 | [diff] [blame] | 577 | memcpy(scp->sense_buffer, &req->sg_list, |
FUJITA Tomonori | b80ca4f | 2008-01-13 15:46:13 +0900 | [diff] [blame] | 578 | min_t(size_t, SCSI_SENSE_BUFFERSIZE, |
HighPoint Linux Team | 0fec02c | 2007-10-15 14:42:52 +0800 | [diff] [blame] | 579 | le32_to_cpu(req->dataxfer_length))); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 580 | break; |
| 581 | |
| 582 | default: |
| 583 | scp->result = ((DRIVER_INVALID|SUGGEST_ABORT)<<24) | |
| 584 | (DID_ABORT<<16); |
| 585 | break; |
| 586 | } |
| 587 | |
| 588 | dprintk("scsi_done(%p)\n", scp); |
| 589 | scp->scsi_done(scp); |
| 590 | free_req(hba, &hba->reqs[tag]); |
| 591 | } |
| 592 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 593 | static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag) |
| 594 | { |
| 595 | struct hpt_iop_request_scsi_command *req; |
| 596 | u32 tag; |
| 597 | |
| 598 | if (hba->iopintf_v2) { |
| 599 | tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT; |
| 600 | req = hba->reqs[tag].req_virt; |
| 601 | if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT)) |
| 602 | req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS); |
| 603 | } else { |
| 604 | tag = _tag; |
| 605 | req = hba->reqs[tag].req_virt; |
| 606 | } |
| 607 | |
| 608 | hptiop_finish_scsi_req(hba, tag, req); |
| 609 | } |
| 610 | |
| 611 | void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 612 | { |
| 613 | struct hpt_iop_request_header __iomem *req; |
| 614 | struct hpt_iop_request_ioctl_command __iomem *p; |
| 615 | struct hpt_ioctl_k *arg; |
| 616 | |
| 617 | req = (struct hpt_iop_request_header __iomem *) |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 618 | ((unsigned long)hba->u.itl.iop + tag); |
| 619 | dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, " |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 620 | "result=%d, context=0x%x tag=%d\n", |
| 621 | req, readl(&req->type), readl(&req->result), |
| 622 | readl(&req->context), tag); |
| 623 | |
| 624 | BUG_ON(!readl(&req->result)); |
| 625 | BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND); |
| 626 | |
| 627 | p = (struct hpt_iop_request_ioctl_command __iomem *)req; |
| 628 | arg = (struct hpt_ioctl_k *)(unsigned long) |
| 629 | (readl(&req->context) | |
| 630 | ((u64)readl(&req->context_hi32)<<32)); |
| 631 | |
| 632 | if (readl(&req->result) == IOP_RESULT_SUCCESS) { |
| 633 | arg->result = HPT_IOCTL_RESULT_OK; |
| 634 | |
| 635 | if (arg->outbuf_size) |
| 636 | memcpy_fromio(arg->outbuf, |
| 637 | &p->buf[(readl(&p->inbuf_size) + 3)& ~3], |
| 638 | arg->outbuf_size); |
| 639 | |
| 640 | if (arg->bytes_returned) |
| 641 | *arg->bytes_returned = arg->outbuf_size; |
| 642 | } |
| 643 | else |
| 644 | arg->result = HPT_IOCTL_RESULT_FAILED; |
| 645 | |
| 646 | arg->done(arg); |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 647 | writel(tag, &hba->u.itl.iop->outbound_queue); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 648 | } |
| 649 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 650 | static irqreturn_t hptiop_intr(int irq, void *dev_id) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 651 | { |
| 652 | struct hptiop_hba *hba = dev_id; |
| 653 | int handled; |
| 654 | unsigned long flags; |
| 655 | |
| 656 | spin_lock_irqsave(hba->host->host_lock, flags); |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 657 | handled = hba->ops->iop_intr(hba); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 658 | spin_unlock_irqrestore(hba->host->host_lock, flags); |
| 659 | |
| 660 | return handled; |
| 661 | } |
| 662 | |
| 663 | static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg) |
| 664 | { |
| 665 | struct Scsi_Host *host = scp->device->host; |
| 666 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 667 | struct scatterlist *sg; |
| 668 | int idx, nseg; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 669 | |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 670 | nseg = scsi_dma_map(scp); |
| 671 | BUG_ON(nseg < 0); |
| 672 | if (!nseg) |
| 673 | return 0; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 674 | |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 675 | HPT_SCP(scp)->sgcnt = nseg; |
| 676 | HPT_SCP(scp)->mapped = 1; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 677 | |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 678 | BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 679 | |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 680 | scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) { |
| 681 | psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg)); |
| 682 | psg[idx].size = cpu_to_le32(sg_dma_len(sg)); |
| 683 | psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ? |
| 684 | cpu_to_le32(1) : 0; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 685 | } |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 686 | return HPT_SCP(scp)->sgcnt; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 687 | } |
| 688 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 689 | static void hptiop_post_req_itl(struct hptiop_hba *hba, |
| 690 | struct hptiop_request *_req) |
| 691 | { |
| 692 | struct hpt_iop_request_header *reqhdr = _req->req_virt; |
| 693 | |
| 694 | reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT | |
| 695 | (u32)_req->index); |
| 696 | reqhdr->context_hi32 = 0; |
| 697 | |
| 698 | if (hba->iopintf_v2) { |
| 699 | u32 size, size_bits; |
| 700 | |
| 701 | size = le32_to_cpu(reqhdr->size); |
| 702 | if (size < 256) |
| 703 | size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT; |
| 704 | else if (size < 512) |
| 705 | size_bits = IOPMU_QUEUE_ADDR_HOST_BIT; |
| 706 | else |
| 707 | size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT | |
| 708 | IOPMU_QUEUE_ADDR_HOST_BIT; |
| 709 | writel(_req->req_shifted_phy | size_bits, |
| 710 | &hba->u.itl.iop->inbound_queue); |
| 711 | } else |
| 712 | writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT, |
| 713 | &hba->u.itl.iop->inbound_queue); |
| 714 | } |
| 715 | |
| 716 | static void hptiop_post_req_mv(struct hptiop_hba *hba, |
| 717 | struct hptiop_request *_req) |
| 718 | { |
| 719 | struct hpt_iop_request_header *reqhdr = _req->req_virt; |
| 720 | u32 size, size_bit; |
| 721 | |
| 722 | reqhdr->context = cpu_to_le32(_req->index<<8 | |
| 723 | IOP_REQUEST_TYPE_SCSI_COMMAND<<5); |
| 724 | reqhdr->context_hi32 = 0; |
| 725 | size = le32_to_cpu(reqhdr->size); |
| 726 | |
| 727 | if (size <= 256) |
| 728 | size_bit = 0; |
| 729 | else if (size <= 256*2) |
| 730 | size_bit = 1; |
| 731 | else if (size <= 256*3) |
| 732 | size_bit = 2; |
| 733 | else |
| 734 | size_bit = 3; |
| 735 | |
| 736 | mv_inbound_write((_req->req_shifted_phy << 5) | |
| 737 | MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba); |
| 738 | } |
| 739 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 740 | static int hptiop_queuecommand(struct scsi_cmnd *scp, |
| 741 | void (*done)(struct scsi_cmnd *)) |
| 742 | { |
| 743 | struct Scsi_Host *host = scp->device->host; |
| 744 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
| 745 | struct hpt_iop_request_scsi_command *req; |
| 746 | int sg_count = 0; |
| 747 | struct hptiop_request *_req; |
| 748 | |
| 749 | BUG_ON(!done); |
| 750 | scp->scsi_done = done; |
| 751 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 752 | _req = get_req(hba); |
| 753 | if (_req == NULL) { |
| 754 | dprintk("hptiop_queuecmd : no free req\n"); |
HighPoint Linux Team | 4f2ddba | 2006-06-14 16:50:57 +0800 | [diff] [blame] | 755 | return SCSI_MLQUEUE_HOST_BUSY; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 756 | } |
| 757 | |
| 758 | _req->scp = scp; |
| 759 | |
| 760 | dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) " |
| 761 | "req_index=%d, req=%p\n", |
| 762 | scp, |
| 763 | host->host_no, scp->device->channel, |
| 764 | scp->device->id, scp->device->lun, |
Boaz Harrosh | 64a87b2 | 2008-04-30 11:19:47 +0300 | [diff] [blame] | 765 | ((u32 *)scp->cmnd)[0], |
| 766 | ((u32 *)scp->cmnd)[1], |
| 767 | ((u32 *)scp->cmnd)[2], |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 768 | _req->index, _req->req_virt); |
| 769 | |
| 770 | scp->result = 0; |
| 771 | |
| 772 | if (scp->device->channel || scp->device->lun || |
| 773 | scp->device->id > hba->max_devices) { |
| 774 | scp->result = DID_BAD_TARGET << 16; |
| 775 | free_req(hba, _req); |
| 776 | goto cmd_done; |
| 777 | } |
| 778 | |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 779 | req = _req->req_virt; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 780 | |
| 781 | /* build S/G table */ |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 782 | sg_count = hptiop_buildsgl(scp, req->sg_list); |
| 783 | if (!sg_count) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 784 | HPT_SCP(scp)->mapped = 0; |
| 785 | |
| 786 | req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT); |
| 787 | req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND); |
| 788 | req->header.result = cpu_to_le32(IOP_RESULT_PENDING); |
FUJITA Tomonori | f987549 | 2007-05-14 20:25:31 +0900 | [diff] [blame] | 789 | req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp)); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 790 | req->channel = scp->device->channel; |
| 791 | req->target = scp->device->id; |
| 792 | req->lun = scp->device->lun; |
| 793 | req->header.size = cpu_to_le32( |
| 794 | sizeof(struct hpt_iop_request_scsi_command) |
| 795 | - sizeof(struct hpt_iopsg) |
| 796 | + sg_count * sizeof(struct hpt_iopsg)); |
| 797 | |
| 798 | memcpy(req->cdb, scp->cmnd, sizeof(req->cdb)); |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 799 | hba->ops->post_req(hba, _req); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 800 | return 0; |
| 801 | |
| 802 | cmd_done: |
| 803 | dprintk("scsi_done(scp=%p)\n", scp); |
| 804 | scp->scsi_done(scp); |
| 805 | return 0; |
| 806 | } |
| 807 | |
| 808 | static const char *hptiop_info(struct Scsi_Host *host) |
| 809 | { |
| 810 | return driver_name_long; |
| 811 | } |
| 812 | |
| 813 | static int hptiop_reset_hba(struct hptiop_hba *hba) |
| 814 | { |
| 815 | if (atomic_xchg(&hba->resetting, 1) == 0) { |
| 816 | atomic_inc(&hba->reset_count); |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 817 | hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 818 | } |
| 819 | |
| 820 | wait_event_timeout(hba->reset_wq, |
| 821 | atomic_read(&hba->resetting) == 0, 60 * HZ); |
| 822 | |
| 823 | if (atomic_read(&hba->resetting)) { |
| 824 | /* IOP is in unkown state, abort reset */ |
| 825 | printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no); |
| 826 | return -1; |
| 827 | } |
| 828 | |
| 829 | if (iop_send_sync_msg(hba, |
| 830 | IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) { |
| 831 | dprintk("scsi%d: fail to start background task\n", |
| 832 | hba->host->host_no); |
| 833 | } |
| 834 | |
| 835 | return 0; |
| 836 | } |
| 837 | |
| 838 | static int hptiop_reset(struct scsi_cmnd *scp) |
| 839 | { |
| 840 | struct Scsi_Host * host = scp->device->host; |
| 841 | struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata; |
| 842 | |
| 843 | printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n", |
| 844 | scp->device->host->host_no, scp->device->channel, |
| 845 | scp->device->id, scp); |
| 846 | |
| 847 | return hptiop_reset_hba(hba)? FAILED : SUCCESS; |
| 848 | } |
| 849 | |
| 850 | static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev, |
| 851 | int queue_depth) |
| 852 | { |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 853 | struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata; |
| 854 | |
| 855 | if (queue_depth > hba->max_requests) |
| 856 | queue_depth = hba->max_requests; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 857 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth); |
| 858 | return queue_depth; |
| 859 | } |
| 860 | |
Tony Jones | ee959b0 | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 861 | static ssize_t hptiop_show_version(struct device *dev, |
| 862 | struct device_attribute *attr, char *buf) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 863 | { |
| 864 | return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver); |
| 865 | } |
| 866 | |
Tony Jones | ee959b0 | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 867 | static ssize_t hptiop_show_fw_version(struct device *dev, |
| 868 | struct device_attribute *attr, char *buf) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 869 | { |
Tony Jones | ee959b0 | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 870 | struct Scsi_Host *host = class_to_shost(dev); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 871 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
| 872 | |
| 873 | return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n", |
| 874 | hba->firmware_version >> 24, |
| 875 | (hba->firmware_version >> 16) & 0xff, |
| 876 | (hba->firmware_version >> 8) & 0xff, |
| 877 | hba->firmware_version & 0xff); |
| 878 | } |
| 879 | |
Tony Jones | ee959b0 | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 880 | static struct device_attribute hptiop_attr_version = { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 881 | .attr = { |
| 882 | .name = "driver-version", |
| 883 | .mode = S_IRUGO, |
| 884 | }, |
| 885 | .show = hptiop_show_version, |
| 886 | }; |
| 887 | |
Tony Jones | ee959b0 | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 888 | static struct device_attribute hptiop_attr_fw_version = { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 889 | .attr = { |
| 890 | .name = "firmware-version", |
| 891 | .mode = S_IRUGO, |
| 892 | }, |
| 893 | .show = hptiop_show_fw_version, |
| 894 | }; |
| 895 | |
Tony Jones | ee959b0 | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 896 | static struct device_attribute *hptiop_attrs[] = { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 897 | &hptiop_attr_version, |
| 898 | &hptiop_attr_fw_version, |
| 899 | NULL |
| 900 | }; |
| 901 | |
| 902 | static struct scsi_host_template driver_template = { |
| 903 | .module = THIS_MODULE, |
| 904 | .name = driver_name, |
| 905 | .queuecommand = hptiop_queuecommand, |
| 906 | .eh_device_reset_handler = hptiop_reset, |
| 907 | .eh_bus_reset_handler = hptiop_reset, |
| 908 | .info = hptiop_info, |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 909 | .emulated = 0, |
| 910 | .use_clustering = ENABLE_CLUSTERING, |
| 911 | .proc_name = driver_name, |
| 912 | .shost_attrs = hptiop_attrs, |
| 913 | .this_id = -1, |
| 914 | .change_queue_depth = hptiop_adjust_disk_queue_depth, |
| 915 | }; |
| 916 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 917 | static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba) |
| 918 | { |
| 919 | hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev, |
| 920 | 0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL); |
| 921 | if (hba->u.mv.internal_req) |
| 922 | return 0; |
| 923 | else |
| 924 | return -1; |
| 925 | } |
| 926 | |
| 927 | static int hptiop_internal_memfree_mv(struct hptiop_hba *hba) |
| 928 | { |
| 929 | if (hba->u.mv.internal_req) { |
| 930 | dma_free_coherent(&hba->pcidev->dev, 0x800, |
| 931 | hba->u.mv.internal_req, hba->u.mv.internal_req_phy); |
| 932 | return 0; |
| 933 | } else |
| 934 | return -1; |
| 935 | } |
| 936 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 937 | static int __devinit hptiop_probe(struct pci_dev *pcidev, |
| 938 | const struct pci_device_id *id) |
| 939 | { |
| 940 | struct Scsi_Host *host = NULL; |
| 941 | struct hptiop_hba *hba; |
| 942 | struct hpt_iop_request_get_config iop_config; |
| 943 | struct hpt_iop_request_set_config set_config; |
| 944 | dma_addr_t start_phy; |
| 945 | void *start_virt; |
| 946 | u32 offset, i, req_size; |
| 947 | |
| 948 | dprintk("hptiop_probe(%p)\n", pcidev); |
| 949 | |
| 950 | if (pci_enable_device(pcidev)) { |
| 951 | printk(KERN_ERR "hptiop: fail to enable pci device\n"); |
| 952 | return -ENODEV; |
| 953 | } |
| 954 | |
| 955 | printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n", |
| 956 | pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7, |
| 957 | pcidev->irq); |
| 958 | |
| 959 | pci_set_master(pcidev); |
| 960 | |
| 961 | /* Enable 64bit DMA if possible */ |
| 962 | if (pci_set_dma_mask(pcidev, DMA_64BIT_MASK)) { |
| 963 | if (pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) { |
| 964 | printk(KERN_ERR "hptiop: fail to set dma_mask\n"); |
| 965 | goto disable_pci_device; |
| 966 | } |
| 967 | } |
| 968 | |
| 969 | if (pci_request_regions(pcidev, driver_name)) { |
| 970 | printk(KERN_ERR "hptiop: pci_request_regions failed\n"); |
| 971 | goto disable_pci_device; |
| 972 | } |
| 973 | |
| 974 | host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba)); |
| 975 | if (!host) { |
| 976 | printk(KERN_ERR "hptiop: fail to alloc scsi host\n"); |
| 977 | goto free_pci_regions; |
| 978 | } |
| 979 | |
| 980 | hba = (struct hptiop_hba *)host->hostdata; |
| 981 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 982 | hba->ops = (struct hptiop_adapter_ops *)id->driver_data; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 983 | hba->pcidev = pcidev; |
| 984 | hba->host = host; |
| 985 | hba->initialized = 0; |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 986 | hba->iopintf_v2 = 0; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 987 | |
| 988 | atomic_set(&hba->resetting, 0); |
| 989 | atomic_set(&hba->reset_count, 0); |
| 990 | |
| 991 | init_waitqueue_head(&hba->reset_wq); |
| 992 | init_waitqueue_head(&hba->ioctl_wq); |
| 993 | |
| 994 | host->max_lun = 1; |
| 995 | host->max_channel = 0; |
| 996 | host->io_port = 0; |
| 997 | host->n_io_port = 0; |
| 998 | host->irq = pcidev->irq; |
| 999 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1000 | if (hba->ops->map_pci_bar(hba)) |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1001 | goto free_scsi_host; |
| 1002 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1003 | if (hba->ops->iop_wait_ready(hba, 20000)) { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1004 | printk(KERN_ERR "scsi%d: firmware not ready\n", |
| 1005 | hba->host->host_no); |
| 1006 | goto unmap_pci_bar; |
| 1007 | } |
| 1008 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1009 | if (hba->ops->internal_memalloc) { |
| 1010 | if (hba->ops->internal_memalloc(hba)) { |
| 1011 | printk(KERN_ERR "scsi%d: internal_memalloc failed\n", |
| 1012 | hba->host->host_no); |
| 1013 | goto unmap_pci_bar; |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | if (hba->ops->get_config(hba, &iop_config)) { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1018 | printk(KERN_ERR "scsi%d: get config failed\n", |
| 1019 | hba->host->host_no); |
| 1020 | goto unmap_pci_bar; |
| 1021 | } |
| 1022 | |
| 1023 | hba->max_requests = min(le32_to_cpu(iop_config.max_requests), |
| 1024 | HPTIOP_MAX_REQUESTS); |
| 1025 | hba->max_devices = le32_to_cpu(iop_config.max_devices); |
| 1026 | hba->max_request_size = le32_to_cpu(iop_config.request_size); |
| 1027 | hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count); |
| 1028 | hba->firmware_version = le32_to_cpu(iop_config.firmware_version); |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 1029 | hba->interface_version = le32_to_cpu(iop_config.interface_version); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1030 | hba->sdram_size = le32_to_cpu(iop_config.sdram_size); |
| 1031 | |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 1032 | if (hba->firmware_version > 0x01020000 || |
| 1033 | hba->interface_version > 0x01020000) |
| 1034 | hba->iopintf_v2 = 1; |
| 1035 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1036 | host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9; |
| 1037 | host->max_id = le32_to_cpu(iop_config.max_devices); |
| 1038 | host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count); |
| 1039 | host->can_queue = le32_to_cpu(iop_config.max_requests); |
| 1040 | host->cmd_per_lun = le32_to_cpu(iop_config.max_requests); |
| 1041 | host->max_cmd_len = 16; |
| 1042 | |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 1043 | req_size = sizeof(struct hpt_iop_request_scsi_command) |
| 1044 | + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1); |
| 1045 | if ((req_size & 0x1f) != 0) |
| 1046 | req_size = (req_size + 0x1f) & ~0x1f; |
| 1047 | |
| 1048 | memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config)); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1049 | set_config.iop_id = cpu_to_le32(host->host_no); |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 1050 | set_config.vbus_id = cpu_to_le16(host->host_no); |
| 1051 | set_config.max_host_request_size = cpu_to_le16(req_size); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1052 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1053 | if (hba->ops->set_config(hba, &set_config)) { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1054 | printk(KERN_ERR "scsi%d: set config failed\n", |
| 1055 | hba->host->host_no); |
| 1056 | goto unmap_pci_bar; |
| 1057 | } |
| 1058 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1059 | pci_set_drvdata(pcidev, host); |
| 1060 | |
Thomas Gleixner | 1d6f359 | 2006-07-01 19:29:42 -0700 | [diff] [blame] | 1061 | if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED, |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1062 | driver_name, hba)) { |
| 1063 | printk(KERN_ERR "scsi%d: request irq %d failed\n", |
| 1064 | hba->host->host_no, pcidev->irq); |
Christoph Hellwig | 3e74051 | 2006-07-30 19:13:36 +0200 | [diff] [blame] | 1065 | goto unmap_pci_bar; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1066 | } |
| 1067 | |
| 1068 | /* Allocate request mem */ |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1069 | |
| 1070 | dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests); |
| 1071 | |
| 1072 | hba->req_size = req_size; |
| 1073 | start_virt = dma_alloc_coherent(&pcidev->dev, |
| 1074 | hba->req_size*hba->max_requests + 0x20, |
| 1075 | &start_phy, GFP_KERNEL); |
| 1076 | |
| 1077 | if (!start_virt) { |
| 1078 | printk(KERN_ERR "scsi%d: fail to alloc request mem\n", |
| 1079 | hba->host->host_no); |
| 1080 | goto free_request_irq; |
| 1081 | } |
| 1082 | |
| 1083 | hba->dma_coherent = start_virt; |
| 1084 | hba->dma_coherent_handle = start_phy; |
| 1085 | |
| 1086 | if ((start_phy & 0x1f) != 0) |
| 1087 | { |
| 1088 | offset = ((start_phy + 0x1f) & ~0x1f) - start_phy; |
| 1089 | start_phy += offset; |
| 1090 | start_virt += offset; |
| 1091 | } |
| 1092 | |
| 1093 | hba->req_list = start_virt; |
| 1094 | for (i = 0; i < hba->max_requests; i++) { |
| 1095 | hba->reqs[i].next = NULL; |
| 1096 | hba->reqs[i].req_virt = start_virt; |
| 1097 | hba->reqs[i].req_shifted_phy = start_phy >> 5; |
| 1098 | hba->reqs[i].index = i; |
| 1099 | free_req(hba, &hba->reqs[i]); |
| 1100 | start_virt = (char *)start_virt + hba->req_size; |
| 1101 | start_phy = start_phy + hba->req_size; |
| 1102 | } |
| 1103 | |
| 1104 | /* Enable Interrupt and start background task */ |
| 1105 | if (hptiop_initialize_iop(hba)) |
| 1106 | goto free_request_mem; |
| 1107 | |
Christoph Hellwig | 3e74051 | 2006-07-30 19:13:36 +0200 | [diff] [blame] | 1108 | if (scsi_add_host(host, &pcidev->dev)) { |
| 1109 | printk(KERN_ERR "scsi%d: scsi_add_host failed\n", |
| 1110 | hba->host->host_no); |
| 1111 | goto free_request_mem; |
| 1112 | } |
| 1113 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1114 | |
| 1115 | scsi_scan_host(host); |
| 1116 | |
| 1117 | dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no); |
| 1118 | return 0; |
| 1119 | |
| 1120 | free_request_mem: |
| 1121 | dma_free_coherent(&hba->pcidev->dev, |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1122 | hba->req_size * hba->max_requests + 0x20, |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1123 | hba->dma_coherent, hba->dma_coherent_handle); |
| 1124 | |
| 1125 | free_request_irq: |
| 1126 | free_irq(hba->pcidev->irq, hba); |
| 1127 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1128 | unmap_pci_bar: |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1129 | if (hba->ops->internal_memfree) |
| 1130 | hba->ops->internal_memfree(hba); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1131 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1132 | hba->ops->unmap_pci_bar(hba); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1133 | |
| 1134 | free_scsi_host: |
| 1135 | scsi_host_put(host); |
| 1136 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1137 | free_pci_regions: |
| 1138 | pci_release_regions(pcidev); |
| 1139 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1140 | disable_pci_device: |
| 1141 | pci_disable_device(pcidev); |
| 1142 | |
| 1143 | dprintk("scsi%d: hptiop_probe fail\n", host->host_no); |
| 1144 | return -ENODEV; |
| 1145 | } |
| 1146 | |
| 1147 | static void hptiop_shutdown(struct pci_dev *pcidev) |
| 1148 | { |
| 1149 | struct Scsi_Host *host = pci_get_drvdata(pcidev); |
| 1150 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1151 | |
| 1152 | dprintk("hptiop_shutdown(%p)\n", hba); |
| 1153 | |
| 1154 | /* stop the iop */ |
| 1155 | if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000)) |
| 1156 | printk(KERN_ERR "scsi%d: shutdown the iop timeout\n", |
| 1157 | hba->host->host_no); |
| 1158 | |
| 1159 | /* disable all outbound interrupts */ |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1160 | hba->ops->disable_intr(hba); |
| 1161 | } |
| 1162 | |
| 1163 | static void hptiop_disable_intr_itl(struct hptiop_hba *hba) |
| 1164 | { |
| 1165 | u32 int_mask; |
| 1166 | |
| 1167 | int_mask = readl(&hba->u.itl.iop->outbound_intmask); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1168 | writel(int_mask | |
| 1169 | IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE, |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1170 | &hba->u.itl.iop->outbound_intmask); |
| 1171 | readl(&hba->u.itl.iop->outbound_intmask); |
| 1172 | } |
| 1173 | |
| 1174 | static void hptiop_disable_intr_mv(struct hptiop_hba *hba) |
| 1175 | { |
| 1176 | writel(0, &hba->u.mv.regs->outbound_intmask); |
| 1177 | readl(&hba->u.mv.regs->outbound_intmask); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1178 | } |
| 1179 | |
| 1180 | static void hptiop_remove(struct pci_dev *pcidev) |
| 1181 | { |
| 1182 | struct Scsi_Host *host = pci_get_drvdata(pcidev); |
| 1183 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
| 1184 | |
| 1185 | dprintk("scsi%d: hptiop_remove\n", hba->host->host_no); |
| 1186 | |
HighPoint Linux Team | 4f2ddba | 2006-06-14 16:50:57 +0800 | [diff] [blame] | 1187 | scsi_remove_host(host); |
| 1188 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1189 | hptiop_shutdown(pcidev); |
| 1190 | |
| 1191 | free_irq(hba->pcidev->irq, hba); |
| 1192 | |
| 1193 | dma_free_coherent(&hba->pcidev->dev, |
| 1194 | hba->req_size * hba->max_requests + 0x20, |
| 1195 | hba->dma_coherent, |
| 1196 | hba->dma_coherent_handle); |
| 1197 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1198 | if (hba->ops->internal_memfree) |
| 1199 | hba->ops->internal_memfree(hba); |
| 1200 | |
| 1201 | hba->ops->unmap_pci_bar(hba); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1202 | |
| 1203 | pci_release_regions(hba->pcidev); |
| 1204 | pci_set_drvdata(hba->pcidev, NULL); |
| 1205 | pci_disable_device(hba->pcidev); |
| 1206 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1207 | scsi_host_put(host); |
| 1208 | } |
| 1209 | |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1210 | static struct hptiop_adapter_ops hptiop_itl_ops = { |
| 1211 | .iop_wait_ready = iop_wait_ready_itl, |
Harvey Harrison | 9bcf091 | 2008-05-22 15:45:07 -0700 | [diff] [blame] | 1212 | .internal_memalloc = NULL, |
| 1213 | .internal_memfree = NULL, |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1214 | .map_pci_bar = hptiop_map_pci_bar_itl, |
| 1215 | .unmap_pci_bar = hptiop_unmap_pci_bar_itl, |
| 1216 | .enable_intr = hptiop_enable_intr_itl, |
| 1217 | .disable_intr = hptiop_disable_intr_itl, |
| 1218 | .get_config = iop_get_config_itl, |
| 1219 | .set_config = iop_set_config_itl, |
| 1220 | .iop_intr = iop_intr_itl, |
| 1221 | .post_msg = hptiop_post_msg_itl, |
| 1222 | .post_req = hptiop_post_req_itl, |
| 1223 | }; |
| 1224 | |
| 1225 | static struct hptiop_adapter_ops hptiop_mv_ops = { |
| 1226 | .iop_wait_ready = iop_wait_ready_mv, |
| 1227 | .internal_memalloc = hptiop_internal_memalloc_mv, |
| 1228 | .internal_memfree = hptiop_internal_memfree_mv, |
| 1229 | .map_pci_bar = hptiop_map_pci_bar_mv, |
| 1230 | .unmap_pci_bar = hptiop_unmap_pci_bar_mv, |
| 1231 | .enable_intr = hptiop_enable_intr_mv, |
| 1232 | .disable_intr = hptiop_disable_intr_mv, |
| 1233 | .get_config = iop_get_config_mv, |
| 1234 | .set_config = iop_set_config_mv, |
| 1235 | .iop_intr = iop_intr_mv, |
| 1236 | .post_msg = hptiop_post_msg_mv, |
| 1237 | .post_req = hptiop_post_req_mv, |
| 1238 | }; |
| 1239 | |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1240 | static struct pci_device_id hptiop_id_table[] = { |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1241 | { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1242 | { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1243 | { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1244 | { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1245 | { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1246 | { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1247 | { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1248 | { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1249 | { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1250 | { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops }, |
HighPoint Linux Team | dd07428 | 2008-07-25 13:29:24 +0800 | [diff] [blame] | 1251 | { PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1252 | { PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1253 | { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops }, |
HighPoint Linux Team | b73a774 | 2009-02-12 11:28:31 +0800 | [diff] [blame] | 1254 | { PCI_VDEVICE(TTI, 0x4321), (kernel_ulong_t)&hptiop_itl_ops }, |
HighPoint Linux Team | dd07428 | 2008-07-25 13:29:24 +0800 | [diff] [blame] | 1255 | { PCI_VDEVICE(TTI, 0x4210), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1256 | { PCI_VDEVICE(TTI, 0x4211), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1257 | { PCI_VDEVICE(TTI, 0x4310), (kernel_ulong_t)&hptiop_itl_ops }, |
| 1258 | { PCI_VDEVICE(TTI, 0x4311), (kernel_ulong_t)&hptiop_itl_ops }, |
HighPoint Linux Team | 00f5970 | 2007-12-13 16:14:26 -0800 | [diff] [blame] | 1259 | { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops }, |
| 1260 | { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops }, |
| 1261 | { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops }, |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1262 | {}, |
| 1263 | }; |
| 1264 | |
| 1265 | MODULE_DEVICE_TABLE(pci, hptiop_id_table); |
| 1266 | |
| 1267 | static struct pci_driver hptiop_pci_driver = { |
| 1268 | .name = driver_name, |
| 1269 | .id_table = hptiop_id_table, |
| 1270 | .probe = hptiop_probe, |
| 1271 | .remove = hptiop_remove, |
| 1272 | .shutdown = hptiop_shutdown, |
| 1273 | }; |
| 1274 | |
| 1275 | static int __init hptiop_module_init(void) |
| 1276 | { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1277 | printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver); |
Christoph Hellwig | 3e74051 | 2006-07-30 19:13:36 +0200 | [diff] [blame] | 1278 | return pci_register_driver(&hptiop_pci_driver); |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1279 | } |
| 1280 | |
| 1281 | static void __exit hptiop_module_exit(void) |
| 1282 | { |
HighPoint Linux Team | ede1e6f | 2006-05-16 14:38:09 +0800 | [diff] [blame] | 1283 | pci_unregister_driver(&hptiop_pci_driver); |
| 1284 | } |
| 1285 | |
| 1286 | |
| 1287 | module_init(hptiop_module_init); |
| 1288 | module_exit(hptiop_module_exit); |
| 1289 | |
| 1290 | MODULE_LICENSE("GPL"); |
HighPoint Linux Team | db9b6e8 | 2007-08-30 18:06:21 +0800 | [diff] [blame] | 1291 | |