David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * QLogic iSCSI HBA Driver |
| 3 | * Copyright (c) 2003-2006 QLogic Corporation |
| 4 | * |
| 5 | * See LICENSE.qla4xxx for copyright and licensing details. |
| 6 | */ |
| 7 | |
| 8 | #include "ql4_def.h" |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 9 | #include "ql4_glbl.h" |
| 10 | #include "ql4_dbg.h" |
| 11 | #include "ql4_inline.h" |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 12 | |
| 13 | |
| 14 | /** |
| 15 | * qla4xxx_mailbox_command - issues mailbox commands |
| 16 | * @ha: Pointer to host adapter structure. |
| 17 | * @inCount: number of mailbox registers to load. |
| 18 | * @outCount: number of mailbox registers to return. |
| 19 | * @mbx_cmd: data pointer for mailbox in registers. |
| 20 | * @mbx_sts: data pointer for mailbox out registers. |
| 21 | * |
| 22 | * This routine sssue mailbox commands and waits for completion. |
| 23 | * If outCount is 0, this routine completes successfully WITHOUT waiting |
| 24 | * for the mailbox command to complete. |
| 25 | **/ |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 26 | static int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, |
| 27 | uint8_t outCount, uint32_t *mbx_cmd, |
| 28 | uint32_t *mbx_sts) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 29 | { |
| 30 | int status = QLA_ERROR; |
| 31 | uint8_t i; |
| 32 | u_long wait_count; |
| 33 | uint32_t intr_status; |
| 34 | unsigned long flags = 0; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 35 | |
| 36 | /* Make sure that pointers are valid */ |
| 37 | if (!mbx_cmd || !mbx_sts) { |
| 38 | DEBUG2(printk("scsi%ld: %s: Invalid mbx_cmd or mbx_sts " |
| 39 | "pointer\n", ha->host_no, __func__)); |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 40 | return status; |
| 41 | } |
| 42 | /* Mailbox code active */ |
| 43 | wait_count = MBOX_TOV * 100; |
| 44 | |
| 45 | while (wait_count--) { |
| 46 | mutex_lock(&ha->mbox_sem); |
| 47 | if (!test_bit(AF_MBOX_COMMAND, &ha->flags)) { |
| 48 | set_bit(AF_MBOX_COMMAND, &ha->flags); |
| 49 | mutex_unlock(&ha->mbox_sem); |
| 50 | break; |
| 51 | } |
| 52 | mutex_unlock(&ha->mbox_sem); |
| 53 | if (!wait_count) { |
| 54 | DEBUG2(printk("scsi%ld: %s: mbox_sem failed\n", |
| 55 | ha->host_no, __func__)); |
| 56 | return status; |
| 57 | } |
| 58 | msleep(10); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 59 | } |
| 60 | |
| 61 | /* To prevent overwriting mailbox registers for a command that has |
| 62 | * not yet been serviced, check to see if a previously issued |
| 63 | * mailbox command is interrupting. |
| 64 | * ----------------------------------------------------------------- |
| 65 | */ |
| 66 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 67 | intr_status = readl(&ha->reg->ctrl_status); |
| 68 | if (intr_status & CSR_SCSI_PROCESSOR_INTR) { |
| 69 | /* Service existing interrupt */ |
| 70 | qla4xxx_interrupt_service_routine(ha, intr_status); |
| 71 | clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags); |
| 72 | } |
| 73 | |
| 74 | /* Send the mailbox command to the firmware */ |
| 75 | ha->mbox_status_count = outCount; |
| 76 | for (i = 0; i < outCount; i++) |
| 77 | ha->mbox_status[i] = 0; |
| 78 | |
| 79 | /* Load all mailbox registers, except mailbox 0. */ |
| 80 | for (i = 1; i < inCount; i++) |
| 81 | writel(mbx_cmd[i], &ha->reg->mailbox[i]); |
| 82 | |
| 83 | /* Wakeup firmware */ |
| 84 | writel(mbx_cmd[0], &ha->reg->mailbox[0]); |
| 85 | readl(&ha->reg->mailbox[0]); |
| 86 | writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status); |
| 87 | readl(&ha->reg->ctrl_status); |
| 88 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 89 | |
| 90 | /* Wait for completion */ |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 91 | |
| 92 | /* |
| 93 | * If we don't want status, don't wait for the mailbox command to |
| 94 | * complete. For example, MBOX_CMD_RESET_FW doesn't return status, |
| 95 | * you must poll the inbound Interrupt Mask for completion. |
| 96 | */ |
| 97 | if (outCount == 0) { |
| 98 | status = QLA_SUCCESS; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 99 | goto mbox_exit; |
| 100 | } |
| 101 | /* Wait for command to complete */ |
| 102 | wait_count = jiffies + MBOX_TOV * HZ; |
| 103 | while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) { |
| 104 | if (time_after_eq(jiffies, wait_count)) |
| 105 | break; |
| 106 | |
| 107 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 108 | intr_status = readl(&ha->reg->ctrl_status); |
| 109 | if (intr_status & INTR_PENDING) { |
| 110 | /* |
| 111 | * Service the interrupt. |
| 112 | * The ISR will save the mailbox status registers |
| 113 | * to a temporary storage location in the adapter |
| 114 | * structure. |
| 115 | */ |
| 116 | ha->mbox_status_count = outCount; |
| 117 | qla4xxx_interrupt_service_routine(ha, intr_status); |
| 118 | } |
| 119 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 120 | msleep(10); |
| 121 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 122 | |
| 123 | /* Check for mailbox timeout. */ |
| 124 | if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) { |
| 125 | DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...," |
| 126 | " Scheduling Adapter Reset\n", ha->host_no, |
| 127 | mbx_cmd[0])); |
| 128 | ha->mailbox_timeout_count++; |
| 129 | mbx_sts[0] = (-1); |
| 130 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 131 | goto mbox_exit; |
| 132 | } |
| 133 | |
| 134 | /* |
| 135 | * Copy the mailbox out registers to the caller's mailbox in/out |
| 136 | * structure. |
| 137 | */ |
| 138 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 139 | for (i = 0; i < outCount; i++) |
| 140 | mbx_sts[i] = ha->mbox_status[i]; |
| 141 | |
| 142 | /* Set return status and error flags (if applicable). */ |
| 143 | switch (ha->mbox_status[0]) { |
| 144 | case MBOX_STS_COMMAND_COMPLETE: |
| 145 | status = QLA_SUCCESS; |
| 146 | break; |
| 147 | |
| 148 | case MBOX_STS_INTERMEDIATE_COMPLETION: |
| 149 | status = QLA_SUCCESS; |
| 150 | break; |
| 151 | |
| 152 | case MBOX_STS_BUSY: |
| 153 | DEBUG2( printk("scsi%ld: %s: Cmd = %08X, ISP BUSY\n", |
| 154 | ha->host_no, __func__, mbx_cmd[0])); |
| 155 | ha->mailbox_timeout_count++; |
| 156 | break; |
| 157 | |
| 158 | default: |
| 159 | DEBUG2(printk("scsi%ld: %s: **** FAILED, cmd = %08X, " |
| 160 | "sts = %08X ****\n", ha->host_no, __func__, |
| 161 | mbx_cmd[0], mbx_sts[0])); |
| 162 | break; |
| 163 | } |
| 164 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 165 | |
| 166 | mbox_exit: |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 167 | mutex_lock(&ha->mbox_sem); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 168 | clear_bit(AF_MBOX_COMMAND, &ha->flags); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 169 | mutex_unlock(&ha->mbox_sem); |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 170 | clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 171 | |
| 172 | return status; |
| 173 | } |
| 174 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 175 | /** |
| 176 | * qla4xxx_initialize_fw_cb - initializes firmware control block. |
| 177 | * @ha: Pointer to host adapter structure. |
| 178 | **/ |
| 179 | int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha) |
| 180 | { |
| 181 | struct init_fw_ctrl_blk *init_fw_cb; |
| 182 | dma_addr_t init_fw_cb_dma; |
| 183 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 184 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 185 | int status = QLA_ERROR; |
| 186 | |
| 187 | init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, |
| 188 | sizeof(struct init_fw_ctrl_blk), |
| 189 | &init_fw_cb_dma, GFP_KERNEL); |
| 190 | if (init_fw_cb == NULL) { |
| 191 | DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n", |
| 192 | ha->host_no, __func__)); |
| 193 | return 10; |
| 194 | } |
| 195 | memset(init_fw_cb, 0, sizeof(struct init_fw_ctrl_blk)); |
| 196 | |
| 197 | /* Get Initialize Firmware Control Block. */ |
| 198 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 199 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 200 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 201 | mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK; |
| 202 | mbox_cmd[2] = LSDW(init_fw_cb_dma); |
| 203 | mbox_cmd[3] = MSDW(init_fw_cb_dma); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 204 | mbox_cmd[4] = sizeof(struct init_fw_ctrl_blk); |
| 205 | |
| 206 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 207 | QLA_SUCCESS) { |
| 208 | dma_free_coherent(&ha->pdev->dev, |
| 209 | sizeof(struct init_fw_ctrl_blk), |
| 210 | init_fw_cb, init_fw_cb_dma); |
| 211 | return status; |
| 212 | } |
| 213 | |
| 214 | /* Initialize request and response queues. */ |
| 215 | qla4xxx_init_rings(ha); |
| 216 | |
| 217 | /* Fill in the request and response queue information. */ |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 218 | init_fw_cb->pri.rqq_consumer_idx = cpu_to_le16(ha->request_out); |
| 219 | init_fw_cb->pri.compq_producer_idx = cpu_to_le16(ha->response_in); |
| 220 | init_fw_cb->pri.rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH); |
| 221 | init_fw_cb->pri.compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH); |
| 222 | init_fw_cb->pri.rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma)); |
| 223 | init_fw_cb->pri.rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma)); |
| 224 | init_fw_cb->pri.compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma)); |
| 225 | init_fw_cb->pri.compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma)); |
| 226 | init_fw_cb->pri.shdwreg_addr_lo = |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 227 | cpu_to_le32(LSDW(ha->shadow_regs_dma)); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 228 | init_fw_cb->pri.shdwreg_addr_hi = |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 229 | cpu_to_le32(MSDW(ha->shadow_regs_dma)); |
| 230 | |
| 231 | /* Set up required options. */ |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 232 | init_fw_cb->pri.fw_options |= |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 233 | __constant_cpu_to_le16(FWOPT_SESSION_MODE | |
| 234 | FWOPT_INITIATOR_MODE); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 235 | init_fw_cb->pri.fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 236 | |
| 237 | /* Save some info in adapter structure. */ |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 238 | ha->firmware_options = le16_to_cpu(init_fw_cb->pri.fw_options); |
| 239 | ha->tcp_options = le16_to_cpu(init_fw_cb->pri.ipv4_tcp_opts); |
| 240 | ha->heartbeat_interval = init_fw_cb->pri.hb_interval; |
| 241 | memcpy(ha->ip_address, init_fw_cb->pri.ipv4_addr, |
| 242 | min(sizeof(ha->ip_address), sizeof(init_fw_cb->pri.ipv4_addr))); |
| 243 | memcpy(ha->subnet_mask, init_fw_cb->pri.ipv4_subnet, |
| 244 | min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->pri.ipv4_subnet))); |
| 245 | memcpy(ha->gateway, init_fw_cb->pri.ipv4_gw_addr, |
| 246 | min(sizeof(ha->gateway), sizeof(init_fw_cb->pri.ipv4_gw_addr))); |
| 247 | memcpy(ha->name_string, init_fw_cb->pri.iscsi_name, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 248 | min(sizeof(ha->name_string), |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 249 | sizeof(init_fw_cb->pri.iscsi_name))); |
| 250 | /*memcpy(ha->alias, init_fw_cb->Alias, |
| 251 | min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/ |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 252 | |
| 253 | /* Save Command Line Paramater info */ |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 254 | ha->port_down_retry_count = le16_to_cpu(init_fw_cb->pri.conn_ka_timeout); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 255 | ha->discovery_wait = ql4xdiscoverywait; |
| 256 | |
| 257 | /* Send Initialize Firmware Control Block. */ |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 258 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 259 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
| 260 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 261 | mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE; |
| 262 | mbox_cmd[1] = 0; |
| 263 | mbox_cmd[2] = LSDW(init_fw_cb_dma); |
| 264 | mbox_cmd[3] = MSDW(init_fw_cb_dma); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 265 | mbox_cmd[4] = sizeof(struct init_fw_ctrl_blk); |
| 266 | |
| 267 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) == |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 268 | QLA_SUCCESS) |
| 269 | status = QLA_SUCCESS; |
| 270 | else { |
| 271 | DEBUG2(printk("scsi%ld: %s: MBOX_CMD_INITIALIZE_FIRMWARE " |
| 272 | "failed w/ status %04X\n", ha->host_no, __func__, |
| 273 | mbox_sts[0])); |
| 274 | } |
| 275 | dma_free_coherent(&ha->pdev->dev, sizeof(struct init_fw_ctrl_blk), |
| 276 | init_fw_cb, init_fw_cb_dma); |
| 277 | |
| 278 | return status; |
| 279 | } |
| 280 | |
| 281 | /** |
| 282 | * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP |
| 283 | * @ha: Pointer to host adapter structure. |
| 284 | **/ |
| 285 | int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha) |
| 286 | { |
| 287 | struct init_fw_ctrl_blk *init_fw_cb; |
| 288 | dma_addr_t init_fw_cb_dma; |
| 289 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 290 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 291 | |
| 292 | init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, |
| 293 | sizeof(struct init_fw_ctrl_blk), |
| 294 | &init_fw_cb_dma, GFP_KERNEL); |
| 295 | if (init_fw_cb == NULL) { |
| 296 | printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no, |
| 297 | __func__); |
| 298 | return 10; |
| 299 | } |
| 300 | |
| 301 | /* Get Initialize Firmware Control Block. */ |
| 302 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 303 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 304 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 305 | memset(init_fw_cb, 0, sizeof(struct init_fw_ctrl_blk)); |
| 306 | mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK; |
| 307 | mbox_cmd[2] = LSDW(init_fw_cb_dma); |
| 308 | mbox_cmd[3] = MSDW(init_fw_cb_dma); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 309 | mbox_cmd[4] = sizeof(struct init_fw_ctrl_blk); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 310 | |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 311 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 312 | QLA_SUCCESS) { |
| 313 | DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n", |
| 314 | ha->host_no, __func__)); |
| 315 | dma_free_coherent(&ha->pdev->dev, |
| 316 | sizeof(struct init_fw_ctrl_blk), |
| 317 | init_fw_cb, init_fw_cb_dma); |
| 318 | return QLA_ERROR; |
| 319 | } |
| 320 | |
| 321 | /* Save IP Address. */ |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 322 | memcpy(ha->ip_address, init_fw_cb->pri.ipv4_addr, |
| 323 | min(sizeof(ha->ip_address), sizeof(init_fw_cb->pri.ipv4_addr))); |
| 324 | memcpy(ha->subnet_mask, init_fw_cb->pri.ipv4_subnet, |
| 325 | min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->pri.ipv4_subnet))); |
| 326 | memcpy(ha->gateway, init_fw_cb->pri.ipv4_gw_addr, |
| 327 | min(sizeof(ha->gateway), sizeof(init_fw_cb->pri.ipv4_gw_addr))); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 328 | |
| 329 | dma_free_coherent(&ha->pdev->dev, sizeof(struct init_fw_ctrl_blk), |
| 330 | init_fw_cb, init_fw_cb_dma); |
| 331 | |
| 332 | return QLA_SUCCESS; |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * qla4xxx_get_firmware_state - gets firmware state of HBA |
| 337 | * @ha: Pointer to host adapter structure. |
| 338 | **/ |
| 339 | int qla4xxx_get_firmware_state(struct scsi_qla_host * ha) |
| 340 | { |
| 341 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 342 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 343 | |
| 344 | /* Get firmware version */ |
| 345 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 346 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 347 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 348 | mbox_cmd[0] = MBOX_CMD_GET_FW_STATE; |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 349 | |
| 350 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 351 | QLA_SUCCESS) { |
| 352 | DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ " |
| 353 | "status %04X\n", ha->host_no, __func__, |
| 354 | mbox_sts[0])); |
| 355 | return QLA_ERROR; |
| 356 | } |
| 357 | ha->firmware_state = mbox_sts[1]; |
| 358 | ha->board_id = mbox_sts[2]; |
| 359 | ha->addl_fw_state = mbox_sts[3]; |
| 360 | DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n", |
| 361 | ha->host_no, __func__, ha->firmware_state);) |
| 362 | |
| 363 | return QLA_SUCCESS; |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * qla4xxx_get_firmware_status - retrieves firmware status |
| 368 | * @ha: Pointer to host adapter structure. |
| 369 | **/ |
| 370 | int qla4xxx_get_firmware_status(struct scsi_qla_host * ha) |
| 371 | { |
| 372 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 373 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 374 | |
| 375 | /* Get firmware version */ |
| 376 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 377 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 378 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 379 | mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS; |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 380 | |
| 381 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 382 | QLA_SUCCESS) { |
| 383 | DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ " |
| 384 | "status %04X\n", ha->host_no, __func__, |
| 385 | mbox_sts[0])); |
| 386 | return QLA_ERROR; |
| 387 | } |
| 388 | |
| 389 | /* High-water mark of IOCBs */ |
| 390 | ha->iocb_hiwat = mbox_sts[2]; |
| 391 | if (ha->iocb_hiwat > IOCB_HIWAT_CUSHION) |
| 392 | ha->iocb_hiwat -= IOCB_HIWAT_CUSHION; |
| 393 | else |
| 394 | dev_info(&ha->pdev->dev, "WARNING!!! You have less than %d " |
| 395 | "firmare IOCBs available (%d).\n", |
| 396 | IOCB_HIWAT_CUSHION, ha->iocb_hiwat); |
| 397 | |
| 398 | return QLA_SUCCESS; |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry |
| 403 | * @ha: Pointer to host adapter structure. |
| 404 | * @fw_ddb_index: Firmware's device database index |
| 405 | * @fw_ddb_entry: Pointer to firmware's device database entry structure |
| 406 | * @num_valid_ddb_entries: Pointer to number of valid ddb entries |
| 407 | * @next_ddb_index: Pointer to next valid device database index |
| 408 | * @fw_ddb_device_state: Pointer to device state |
| 409 | **/ |
| 410 | int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha, |
| 411 | uint16_t fw_ddb_index, |
| 412 | struct dev_db_entry *fw_ddb_entry, |
| 413 | dma_addr_t fw_ddb_entry_dma, |
| 414 | uint32_t *num_valid_ddb_entries, |
| 415 | uint32_t *next_ddb_index, |
| 416 | uint32_t *fw_ddb_device_state, |
| 417 | uint32_t *conn_err_detail, |
| 418 | uint16_t *tcp_source_port_num, |
| 419 | uint16_t *connection_id) |
| 420 | { |
| 421 | int status = QLA_ERROR; |
| 422 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 423 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 424 | |
| 425 | /* Make sure the device index is valid */ |
| 426 | if (fw_ddb_index >= MAX_DDB_ENTRIES) { |
| 427 | DEBUG2(printk("scsi%ld: %s: index [%d] out of range.\n", |
| 428 | ha->host_no, __func__, fw_ddb_index)); |
| 429 | goto exit_get_fwddb; |
| 430 | } |
| 431 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 432 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 433 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 434 | mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY; |
| 435 | mbox_cmd[1] = (uint32_t) fw_ddb_index; |
| 436 | mbox_cmd[2] = LSDW(fw_ddb_entry_dma); |
| 437 | mbox_cmd[3] = MSDW(fw_ddb_entry_dma); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 438 | mbox_cmd[4] = sizeof(struct dev_db_entry); |
| 439 | |
| 440 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) == |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 441 | QLA_ERROR) { |
| 442 | DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed" |
| 443 | " with status 0x%04X\n", ha->host_no, __func__, |
| 444 | mbox_sts[0])); |
| 445 | goto exit_get_fwddb; |
| 446 | } |
| 447 | if (fw_ddb_index != mbox_sts[1]) { |
| 448 | DEBUG2(printk("scsi%ld: %s: index mismatch [%d] != [%d].\n", |
| 449 | ha->host_no, __func__, fw_ddb_index, |
| 450 | mbox_sts[1])); |
| 451 | goto exit_get_fwddb; |
| 452 | } |
| 453 | if (fw_ddb_entry) { |
| 454 | dev_info(&ha->pdev->dev, "DDB[%d] MB0 %04x Tot %d Next %d " |
| 455 | "State %04x ConnErr %08x %d.%d.%d.%d:%04d \"%s\"\n", |
| 456 | fw_ddb_index, mbox_sts[0], mbox_sts[2], mbox_sts[3], |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 457 | mbox_sts[4], mbox_sts[5], fw_ddb_entry->ip_addr[0], |
| 458 | fw_ddb_entry->ip_addr[1], fw_ddb_entry->ip_addr[2], |
| 459 | fw_ddb_entry->ip_addr[3], |
| 460 | le16_to_cpu(fw_ddb_entry->port), |
| 461 | fw_ddb_entry->iscsi_name); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 462 | } |
| 463 | if (num_valid_ddb_entries) |
| 464 | *num_valid_ddb_entries = mbox_sts[2]; |
| 465 | if (next_ddb_index) |
| 466 | *next_ddb_index = mbox_sts[3]; |
| 467 | if (fw_ddb_device_state) |
| 468 | *fw_ddb_device_state = mbox_sts[4]; |
| 469 | |
| 470 | /* |
| 471 | * RA: This mailbox has been changed to pass connection error and |
| 472 | * details. Its true for ISP4010 as per Version E - Not sure when it |
| 473 | * was changed. Get the time2wait from the fw_dd_entry field : |
| 474 | * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY |
| 475 | * struct. |
| 476 | */ |
| 477 | if (conn_err_detail) |
| 478 | *conn_err_detail = mbox_sts[5]; |
| 479 | if (tcp_source_port_num) |
| 480 | *tcp_source_port_num = (uint16_t) mbox_sts[6] >> 16; |
| 481 | if (connection_id) |
| 482 | *connection_id = (uint16_t) mbox_sts[6] & 0x00FF; |
| 483 | status = QLA_SUCCESS; |
| 484 | |
| 485 | exit_get_fwddb: |
| 486 | return status; |
| 487 | } |
| 488 | |
| 489 | /** |
| 490 | * qla4xxx_set_fwddb_entry - sets a ddb entry. |
| 491 | * @ha: Pointer to host adapter structure. |
| 492 | * @fw_ddb_index: Firmware's device database index |
| 493 | * @fw_ddb_entry: Pointer to firmware's ddb entry structure, or NULL. |
| 494 | * |
| 495 | * This routine initializes or updates the adapter's device database |
| 496 | * entry for the specified device. It also triggers a login for the |
| 497 | * specified device. Therefore, it may also be used as a secondary |
| 498 | * login routine when a NULL pointer is specified for the fw_ddb_entry. |
| 499 | **/ |
| 500 | int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index, |
| 501 | dma_addr_t fw_ddb_entry_dma) |
| 502 | { |
| 503 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 504 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 505 | |
| 506 | /* Do not wait for completion. The firmware will send us an |
| 507 | * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status. |
| 508 | */ |
| 509 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 510 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
| 511 | |
| 512 | mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY; |
| 513 | mbox_cmd[1] = (uint32_t) fw_ddb_index; |
| 514 | mbox_cmd[2] = LSDW(fw_ddb_entry_dma); |
| 515 | mbox_cmd[3] = MSDW(fw_ddb_entry_dma); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 516 | mbox_cmd[4] = sizeof(struct dev_db_entry); |
| 517 | |
| 518 | return qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 519 | } |
| 520 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 521 | /** |
| 522 | * qla4xxx_get_crash_record - retrieves crash record. |
| 523 | * @ha: Pointer to host adapter structure. |
| 524 | * |
| 525 | * This routine retrieves a crash record from the QLA4010 after an 8002h aen. |
| 526 | **/ |
| 527 | void qla4xxx_get_crash_record(struct scsi_qla_host * ha) |
| 528 | { |
| 529 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 530 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 531 | struct crash_record *crash_record = NULL; |
| 532 | dma_addr_t crash_record_dma = 0; |
| 533 | uint32_t crash_record_size = 0; |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 534 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 535 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 536 | memset(&mbox_sts, 0, sizeof(mbox_cmd)); |
| 537 | |
| 538 | /* Get size of crash record. */ |
| 539 | mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD; |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 540 | |
| 541 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 542 | QLA_SUCCESS) { |
| 543 | DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n", |
| 544 | ha->host_no, __func__)); |
| 545 | goto exit_get_crash_record; |
| 546 | } |
| 547 | crash_record_size = mbox_sts[4]; |
| 548 | if (crash_record_size == 0) { |
| 549 | DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n", |
| 550 | ha->host_no, __func__)); |
| 551 | goto exit_get_crash_record; |
| 552 | } |
| 553 | |
| 554 | /* Alloc Memory for Crash Record. */ |
| 555 | crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size, |
| 556 | &crash_record_dma, GFP_KERNEL); |
| 557 | if (crash_record == NULL) |
| 558 | goto exit_get_crash_record; |
| 559 | |
| 560 | /* Get Crash Record. */ |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 561 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 562 | memset(&mbox_sts, 0, sizeof(mbox_cmd)); |
| 563 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 564 | mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD; |
| 565 | mbox_cmd[2] = LSDW(crash_record_dma); |
| 566 | mbox_cmd[3] = MSDW(crash_record_dma); |
| 567 | mbox_cmd[4] = crash_record_size; |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 568 | |
| 569 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 570 | QLA_SUCCESS) |
| 571 | goto exit_get_crash_record; |
| 572 | |
| 573 | /* Dump Crash Record. */ |
| 574 | |
| 575 | exit_get_crash_record: |
| 576 | if (crash_record) |
| 577 | dma_free_coherent(&ha->pdev->dev, crash_record_size, |
| 578 | crash_record, crash_record_dma); |
| 579 | } |
| 580 | |
| 581 | /** |
| 582 | * qla4xxx_get_conn_event_log - retrieves connection event log |
| 583 | * @ha: Pointer to host adapter structure. |
| 584 | **/ |
| 585 | void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha) |
| 586 | { |
| 587 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 588 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 589 | struct conn_event_log_entry *event_log = NULL; |
| 590 | dma_addr_t event_log_dma = 0; |
| 591 | uint32_t event_log_size = 0; |
| 592 | uint32_t num_valid_entries; |
| 593 | uint32_t oldest_entry = 0; |
| 594 | uint32_t max_event_log_entries; |
| 595 | uint8_t i; |
| 596 | |
| 597 | |
| 598 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 599 | memset(&mbox_sts, 0, sizeof(mbox_cmd)); |
| 600 | |
| 601 | /* Get size of crash record. */ |
| 602 | mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG; |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 603 | |
| 604 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 605 | QLA_SUCCESS) |
| 606 | goto exit_get_event_log; |
| 607 | |
| 608 | event_log_size = mbox_sts[4]; |
| 609 | if (event_log_size == 0) |
| 610 | goto exit_get_event_log; |
| 611 | |
| 612 | /* Alloc Memory for Crash Record. */ |
| 613 | event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size, |
| 614 | &event_log_dma, GFP_KERNEL); |
| 615 | if (event_log == NULL) |
| 616 | goto exit_get_event_log; |
| 617 | |
| 618 | /* Get Crash Record. */ |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 619 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 620 | memset(&mbox_sts, 0, sizeof(mbox_cmd)); |
| 621 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 622 | mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG; |
| 623 | mbox_cmd[2] = LSDW(event_log_dma); |
| 624 | mbox_cmd[3] = MSDW(event_log_dma); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 625 | |
| 626 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 627 | QLA_SUCCESS) { |
| 628 | DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event " |
| 629 | "log!\n", ha->host_no, __func__)); |
| 630 | goto exit_get_event_log; |
| 631 | } |
| 632 | |
| 633 | /* Dump Event Log. */ |
| 634 | num_valid_entries = mbox_sts[1]; |
| 635 | |
| 636 | max_event_log_entries = event_log_size / |
| 637 | sizeof(struct conn_event_log_entry); |
| 638 | |
| 639 | if (num_valid_entries > max_event_log_entries) |
| 640 | oldest_entry = num_valid_entries % max_event_log_entries; |
| 641 | |
| 642 | DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n", |
| 643 | ha->host_no, num_valid_entries)); |
| 644 | |
Andrew Vasquez | 11010fe | 2006-10-06 09:54:59 -0700 | [diff] [blame] | 645 | if (ql4xextended_error_logging == 3) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 646 | if (oldest_entry == 0) { |
| 647 | /* Circular Buffer has not wrapped around */ |
| 648 | for (i=0; i < num_valid_entries; i++) { |
| 649 | qla4xxx_dump_buffer((uint8_t *)event_log+ |
| 650 | (i*sizeof(*event_log)), |
| 651 | sizeof(*event_log)); |
| 652 | } |
| 653 | } |
| 654 | else { |
| 655 | /* Circular Buffer has wrapped around - |
| 656 | * display accordingly*/ |
| 657 | for (i=oldest_entry; i < max_event_log_entries; i++) { |
| 658 | qla4xxx_dump_buffer((uint8_t *)event_log+ |
| 659 | (i*sizeof(*event_log)), |
| 660 | sizeof(*event_log)); |
| 661 | } |
| 662 | for (i=0; i < oldest_entry; i++) { |
| 663 | qla4xxx_dump_buffer((uint8_t *)event_log+ |
| 664 | (i*sizeof(*event_log)), |
| 665 | sizeof(*event_log)); |
| 666 | } |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | exit_get_event_log: |
| 671 | if (event_log) |
| 672 | dma_free_coherent(&ha->pdev->dev, event_log_size, event_log, |
| 673 | event_log_dma); |
| 674 | } |
| 675 | |
| 676 | /** |
| 677 | * qla4xxx_reset_lun - issues LUN Reset |
| 678 | * @ha: Pointer to host adapter structure. |
| 679 | * @db_entry: Pointer to device database entry |
| 680 | * @un_entry: Pointer to lun entry structure |
| 681 | * |
| 682 | * This routine performs a LUN RESET on the specified target/lun. |
| 683 | * The caller must ensure that the ddb_entry and lun_entry pointers |
| 684 | * are valid before calling this routine. |
| 685 | **/ |
| 686 | int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry, |
| 687 | int lun) |
| 688 | { |
| 689 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 690 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 691 | int status = QLA_SUCCESS; |
| 692 | |
| 693 | DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no, |
| 694 | ddb_entry->os_target_id, lun)); |
| 695 | |
| 696 | /* |
| 697 | * Send lun reset command to ISP, so that the ISP will return all |
| 698 | * outstanding requests with RESET status |
| 699 | */ |
| 700 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 701 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 702 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 703 | mbox_cmd[0] = MBOX_CMD_LUN_RESET; |
| 704 | mbox_cmd[1] = ddb_entry->fw_ddb_index; |
| 705 | mbox_cmd[2] = lun << 8; |
| 706 | mbox_cmd[5] = 0x01; /* Immediate Command Enable */ |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 707 | |
| 708 | qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 709 | if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE && |
| 710 | mbox_sts[0] != MBOX_STS_COMMAND_ERROR) |
| 711 | status = QLA_ERROR; |
| 712 | |
| 713 | return status; |
| 714 | } |
| 715 | |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame^] | 716 | /** |
| 717 | * qla4xxx_reset_target - issues target Reset |
| 718 | * @ha: Pointer to host adapter structure. |
| 719 | * @db_entry: Pointer to device database entry |
| 720 | * @un_entry: Pointer to lun entry structure |
| 721 | * |
| 722 | * This routine performs a TARGET RESET on the specified target. |
| 723 | * The caller must ensure that the ddb_entry pointers |
| 724 | * are valid before calling this routine. |
| 725 | **/ |
| 726 | int qla4xxx_reset_target(struct scsi_qla_host *ha, |
| 727 | struct ddb_entry *ddb_entry) |
| 728 | { |
| 729 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 730 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 731 | int status = QLA_SUCCESS; |
| 732 | |
| 733 | DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no, |
| 734 | ddb_entry->os_target_id)); |
| 735 | |
| 736 | /* |
| 737 | * Send target reset command to ISP, so that the ISP will return all |
| 738 | * outstanding requests with RESET status |
| 739 | */ |
| 740 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 741 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
| 742 | |
| 743 | mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET; |
| 744 | mbox_cmd[1] = ddb_entry->fw_ddb_index; |
| 745 | mbox_cmd[5] = 0x01; /* Immediate Command Enable */ |
| 746 | |
| 747 | qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], |
| 748 | &mbox_sts[0]); |
| 749 | if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE && |
| 750 | mbox_sts[0] != MBOX_STS_COMMAND_ERROR) |
| 751 | status = QLA_ERROR; |
| 752 | |
| 753 | return status; |
| 754 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 755 | |
| 756 | int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr, |
| 757 | uint32_t offset, uint32_t len) |
| 758 | { |
| 759 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 760 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 761 | |
| 762 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 763 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 764 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 765 | mbox_cmd[0] = MBOX_CMD_READ_FLASH; |
| 766 | mbox_cmd[1] = LSDW(dma_addr); |
| 767 | mbox_cmd[2] = MSDW(dma_addr); |
| 768 | mbox_cmd[3] = offset; |
| 769 | mbox_cmd[4] = len; |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 770 | |
| 771 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 772 | QLA_SUCCESS) { |
| 773 | DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ " |
| 774 | "status %04X %04X, offset %08x, len %08x\n", ha->host_no, |
| 775 | __func__, mbox_sts[0], mbox_sts[1], offset, len)); |
| 776 | return QLA_ERROR; |
| 777 | } |
| 778 | return QLA_SUCCESS; |
| 779 | } |
| 780 | |
| 781 | /** |
| 782 | * qla4xxx_get_fw_version - gets firmware version |
| 783 | * @ha: Pointer to host adapter structure. |
| 784 | * |
| 785 | * Retrieves the firmware version on HBA. In QLA4010, mailboxes 2 & 3 may |
| 786 | * hold an address for data. Make sure that we write 0 to those mailboxes, |
| 787 | * if unused. |
| 788 | **/ |
| 789 | int qla4xxx_get_fw_version(struct scsi_qla_host * ha) |
| 790 | { |
| 791 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 792 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 793 | |
| 794 | /* Get firmware version. */ |
| 795 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 796 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 797 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 798 | mbox_cmd[0] = MBOX_CMD_ABOUT_FW; |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 799 | |
| 800 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 801 | QLA_SUCCESS) { |
| 802 | DEBUG2(printk("scsi%ld: %s: MBOX_CMD_ABOUT_FW failed w/ " |
| 803 | "status %04X\n", ha->host_no, __func__, mbox_sts[0])); |
| 804 | return QLA_ERROR; |
| 805 | } |
| 806 | |
| 807 | /* Save firmware version information. */ |
| 808 | ha->firmware_version[0] = mbox_sts[1]; |
| 809 | ha->firmware_version[1] = mbox_sts[2]; |
| 810 | ha->patch_number = mbox_sts[3]; |
| 811 | ha->build_number = mbox_sts[4]; |
| 812 | |
| 813 | return QLA_SUCCESS; |
| 814 | } |
| 815 | |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 816 | static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, |
| 817 | dma_addr_t dma_addr) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 818 | { |
| 819 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 820 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 821 | |
| 822 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 823 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
| 824 | |
| 825 | mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS; |
| 826 | mbox_cmd[2] = LSDW(dma_addr); |
| 827 | mbox_cmd[3] = MSDW(dma_addr); |
| 828 | |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 829 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 830 | QLA_SUCCESS) { |
| 831 | DEBUG2(printk("scsi%ld: %s: failed status %04X\n", |
| 832 | ha->host_no, __func__, mbox_sts[0])); |
| 833 | return QLA_ERROR; |
| 834 | } |
| 835 | return QLA_SUCCESS; |
| 836 | } |
| 837 | |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 838 | static int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t *ddb_index) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 839 | { |
| 840 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 841 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 842 | |
| 843 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 844 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
| 845 | |
| 846 | mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY; |
| 847 | mbox_cmd[1] = MAX_PRST_DEV_DB_ENTRIES; |
| 848 | |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 849 | if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) != |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 850 | QLA_SUCCESS) { |
| 851 | if (mbox_sts[0] == MBOX_STS_COMMAND_ERROR) { |
| 852 | *ddb_index = mbox_sts[2]; |
| 853 | } else { |
| 854 | DEBUG2(printk("scsi%ld: %s: failed status %04X\n", |
| 855 | ha->host_no, __func__, mbox_sts[0])); |
| 856 | return QLA_ERROR; |
| 857 | } |
| 858 | } else { |
| 859 | *ddb_index = MAX_PRST_DEV_DB_ENTRIES; |
| 860 | } |
| 861 | |
| 862 | return QLA_SUCCESS; |
| 863 | } |
| 864 | |
| 865 | |
| 866 | int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port) |
| 867 | { |
| 868 | struct dev_db_entry *fw_ddb_entry; |
| 869 | dma_addr_t fw_ddb_entry_dma; |
| 870 | uint32_t ddb_index; |
| 871 | int ret_val = QLA_SUCCESS; |
| 872 | |
| 873 | |
| 874 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, |
| 875 | sizeof(*fw_ddb_entry), |
| 876 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 877 | if (!fw_ddb_entry) { |
| 878 | DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", |
| 879 | ha->host_no, __func__)); |
| 880 | ret_val = QLA_ERROR; |
| 881 | goto qla4xxx_send_tgts_exit; |
| 882 | } |
| 883 | |
| 884 | ret_val = qla4xxx_get_default_ddb(ha, fw_ddb_entry_dma); |
| 885 | if (ret_val != QLA_SUCCESS) |
| 886 | goto qla4xxx_send_tgts_exit; |
| 887 | |
| 888 | ret_val = qla4xxx_req_ddb_entry(ha, &ddb_index); |
| 889 | if (ret_val != QLA_SUCCESS) |
| 890 | goto qla4xxx_send_tgts_exit; |
| 891 | |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 892 | memset(fw_ddb_entry->iscsi_alias, 0, |
| 893 | sizeof(fw_ddb_entry->iscsi_alias)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 894 | |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 895 | memset(fw_ddb_entry->iscsi_name, 0, |
| 896 | sizeof(fw_ddb_entry->iscsi_name)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 897 | |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 898 | memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr)); |
| 899 | memset(fw_ddb_entry->tgt_addr, 0, |
| 900 | sizeof(fw_ddb_entry->tgt_addr)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 901 | |
| 902 | fw_ddb_entry->options = (DDB_OPT_DISC_SESSION | DDB_OPT_TARGET); |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 903 | fw_ddb_entry->port = cpu_to_le16(ntohs(port)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 904 | |
David C Somayajulu | c0e344c | 2007-05-23 18:03:27 -0700 | [diff] [blame] | 905 | fw_ddb_entry->ip_addr[0] = *ip; |
| 906 | fw_ddb_entry->ip_addr[1] = *(ip + 1); |
| 907 | fw_ddb_entry->ip_addr[2] = *(ip + 2); |
| 908 | fw_ddb_entry->ip_addr[3] = *(ip + 3); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 909 | |
| 910 | ret_val = qla4xxx_set_ddb_entry(ha, ddb_index, fw_ddb_entry_dma); |
| 911 | |
| 912 | qla4xxx_send_tgts_exit: |
| 913 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 914 | fw_ddb_entry, fw_ddb_entry_dma); |
| 915 | return ret_val; |
| 916 | } |
| 917 | |