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0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * QLogic Fibre Channel HBA Driver
0004  * Copyright (c)  2003-2014 QLogic Corporation
0005  */
0006 #include "qla_def.h"
0007 
0008 #include <linux/delay.h>
0009 #include <linux/slab.h>
0010 #include <linux/vmalloc.h>
0011 #include <linux/uaccess.h>
0012 
0013 /*
0014  * NVRAM support routines
0015  */
0016 
0017 /**
0018  * qla2x00_lock_nvram_access() -
0019  * @ha: HA context
0020  */
0021 static void
0022 qla2x00_lock_nvram_access(struct qla_hw_data *ha)
0023 {
0024     uint16_t data;
0025     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0026 
0027     if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
0028         data = rd_reg_word(&reg->nvram);
0029         while (data & NVR_BUSY) {
0030             udelay(100);
0031             data = rd_reg_word(&reg->nvram);
0032         }
0033 
0034         /* Lock resource */
0035         wrt_reg_word(&reg->u.isp2300.host_semaphore, 0x1);
0036         rd_reg_word(&reg->u.isp2300.host_semaphore);
0037         udelay(5);
0038         data = rd_reg_word(&reg->u.isp2300.host_semaphore);
0039         while ((data & BIT_0) == 0) {
0040             /* Lock failed */
0041             udelay(100);
0042             wrt_reg_word(&reg->u.isp2300.host_semaphore, 0x1);
0043             rd_reg_word(&reg->u.isp2300.host_semaphore);
0044             udelay(5);
0045             data = rd_reg_word(&reg->u.isp2300.host_semaphore);
0046         }
0047     }
0048 }
0049 
0050 /**
0051  * qla2x00_unlock_nvram_access() -
0052  * @ha: HA context
0053  */
0054 static void
0055 qla2x00_unlock_nvram_access(struct qla_hw_data *ha)
0056 {
0057     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0058 
0059     if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
0060         wrt_reg_word(&reg->u.isp2300.host_semaphore, 0);
0061         rd_reg_word(&reg->u.isp2300.host_semaphore);
0062     }
0063 }
0064 
0065 /**
0066  * qla2x00_nv_write() - Prepare for NVRAM read/write operation.
0067  * @ha: HA context
0068  * @data: Serial interface selector
0069  */
0070 static void
0071 qla2x00_nv_write(struct qla_hw_data *ha, uint16_t data)
0072 {
0073     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0074 
0075     wrt_reg_word(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
0076     rd_reg_word(&reg->nvram);       /* PCI Posting. */
0077     NVRAM_DELAY();
0078     wrt_reg_word(&reg->nvram, data | NVR_SELECT | NVR_CLOCK |
0079         NVR_WRT_ENABLE);
0080     rd_reg_word(&reg->nvram);       /* PCI Posting. */
0081     NVRAM_DELAY();
0082     wrt_reg_word(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
0083     rd_reg_word(&reg->nvram);       /* PCI Posting. */
0084     NVRAM_DELAY();
0085 }
0086 
0087 /**
0088  * qla2x00_nvram_request() - Sends read command to NVRAM and gets data from
0089  *  NVRAM.
0090  * @ha: HA context
0091  * @nv_cmd: NVRAM command
0092  *
0093  * Bit definitions for NVRAM command:
0094  *
0095  *  Bit 26     = start bit
0096  *  Bit 25, 24 = opcode
0097  *  Bit 23-16  = address
0098  *  Bit 15-0   = write data
0099  *
0100  * Returns the word read from nvram @addr.
0101  */
0102 static uint16_t
0103 qla2x00_nvram_request(struct qla_hw_data *ha, uint32_t nv_cmd)
0104 {
0105     uint8_t     cnt;
0106     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0107     uint16_t    data = 0;
0108     uint16_t    reg_data;
0109 
0110     /* Send command to NVRAM. */
0111     nv_cmd <<= 5;
0112     for (cnt = 0; cnt < 11; cnt++) {
0113         if (nv_cmd & BIT_31)
0114             qla2x00_nv_write(ha, NVR_DATA_OUT);
0115         else
0116             qla2x00_nv_write(ha, 0);
0117         nv_cmd <<= 1;
0118     }
0119 
0120     /* Read data from NVRAM. */
0121     for (cnt = 0; cnt < 16; cnt++) {
0122         wrt_reg_word(&reg->nvram, NVR_SELECT | NVR_CLOCK);
0123         rd_reg_word(&reg->nvram);   /* PCI Posting. */
0124         NVRAM_DELAY();
0125         data <<= 1;
0126         reg_data = rd_reg_word(&reg->nvram);
0127         if (reg_data & NVR_DATA_IN)
0128             data |= BIT_0;
0129         wrt_reg_word(&reg->nvram, NVR_SELECT);
0130         rd_reg_word(&reg->nvram);   /* PCI Posting. */
0131         NVRAM_DELAY();
0132     }
0133 
0134     /* Deselect chip. */
0135     wrt_reg_word(&reg->nvram, NVR_DESELECT);
0136     rd_reg_word(&reg->nvram);       /* PCI Posting. */
0137     NVRAM_DELAY();
0138 
0139     return data;
0140 }
0141 
0142 
0143 /**
0144  * qla2x00_get_nvram_word() - Calculates word position in NVRAM and calls the
0145  *  request routine to get the word from NVRAM.
0146  * @ha: HA context
0147  * @addr: Address in NVRAM to read
0148  *
0149  * Returns the word read from nvram @addr.
0150  */
0151 static uint16_t
0152 qla2x00_get_nvram_word(struct qla_hw_data *ha, uint32_t addr)
0153 {
0154     uint16_t    data;
0155     uint32_t    nv_cmd;
0156 
0157     nv_cmd = addr << 16;
0158     nv_cmd |= NV_READ_OP;
0159     data = qla2x00_nvram_request(ha, nv_cmd);
0160 
0161     return (data);
0162 }
0163 
0164 /**
0165  * qla2x00_nv_deselect() - Deselect NVRAM operations.
0166  * @ha: HA context
0167  */
0168 static void
0169 qla2x00_nv_deselect(struct qla_hw_data *ha)
0170 {
0171     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0172 
0173     wrt_reg_word(&reg->nvram, NVR_DESELECT);
0174     rd_reg_word(&reg->nvram);       /* PCI Posting. */
0175     NVRAM_DELAY();
0176 }
0177 
0178 /**
0179  * qla2x00_write_nvram_word() - Write NVRAM data.
0180  * @ha: HA context
0181  * @addr: Address in NVRAM to write
0182  * @data: word to program
0183  */
0184 static void
0185 qla2x00_write_nvram_word(struct qla_hw_data *ha, uint32_t addr, __le16 data)
0186 {
0187     int count;
0188     uint16_t word;
0189     uint32_t nv_cmd, wait_cnt;
0190     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0191     scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
0192 
0193     qla2x00_nv_write(ha, NVR_DATA_OUT);
0194     qla2x00_nv_write(ha, 0);
0195     qla2x00_nv_write(ha, 0);
0196 
0197     for (word = 0; word < 8; word++)
0198         qla2x00_nv_write(ha, NVR_DATA_OUT);
0199 
0200     qla2x00_nv_deselect(ha);
0201 
0202     /* Write data */
0203     nv_cmd = (addr << 16) | NV_WRITE_OP;
0204     nv_cmd |= (__force u16)data;
0205     nv_cmd <<= 5;
0206     for (count = 0; count < 27; count++) {
0207         if (nv_cmd & BIT_31)
0208             qla2x00_nv_write(ha, NVR_DATA_OUT);
0209         else
0210             qla2x00_nv_write(ha, 0);
0211 
0212         nv_cmd <<= 1;
0213     }
0214 
0215     qla2x00_nv_deselect(ha);
0216 
0217     /* Wait for NVRAM to become ready */
0218     wrt_reg_word(&reg->nvram, NVR_SELECT);
0219     rd_reg_word(&reg->nvram);       /* PCI Posting. */
0220     wait_cnt = NVR_WAIT_CNT;
0221     do {
0222         if (!--wait_cnt) {
0223             ql_dbg(ql_dbg_user, vha, 0x708d,
0224                 "NVRAM didn't go ready...\n");
0225             break;
0226         }
0227         NVRAM_DELAY();
0228         word = rd_reg_word(&reg->nvram);
0229     } while ((word & NVR_DATA_IN) == 0);
0230 
0231     qla2x00_nv_deselect(ha);
0232 
0233     /* Disable writes */
0234     qla2x00_nv_write(ha, NVR_DATA_OUT);
0235     for (count = 0; count < 10; count++)
0236         qla2x00_nv_write(ha, 0);
0237 
0238     qla2x00_nv_deselect(ha);
0239 }
0240 
0241 static int
0242 qla2x00_write_nvram_word_tmo(struct qla_hw_data *ha, uint32_t addr,
0243                  __le16 data, uint32_t tmo)
0244 {
0245     int ret, count;
0246     uint16_t word;
0247     uint32_t nv_cmd;
0248     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0249 
0250     ret = QLA_SUCCESS;
0251 
0252     qla2x00_nv_write(ha, NVR_DATA_OUT);
0253     qla2x00_nv_write(ha, 0);
0254     qla2x00_nv_write(ha, 0);
0255 
0256     for (word = 0; word < 8; word++)
0257         qla2x00_nv_write(ha, NVR_DATA_OUT);
0258 
0259     qla2x00_nv_deselect(ha);
0260 
0261     /* Write data */
0262     nv_cmd = (addr << 16) | NV_WRITE_OP;
0263     nv_cmd |= (__force u16)data;
0264     nv_cmd <<= 5;
0265     for (count = 0; count < 27; count++) {
0266         if (nv_cmd & BIT_31)
0267             qla2x00_nv_write(ha, NVR_DATA_OUT);
0268         else
0269             qla2x00_nv_write(ha, 0);
0270 
0271         nv_cmd <<= 1;
0272     }
0273 
0274     qla2x00_nv_deselect(ha);
0275 
0276     /* Wait for NVRAM to become ready */
0277     wrt_reg_word(&reg->nvram, NVR_SELECT);
0278     rd_reg_word(&reg->nvram);       /* PCI Posting. */
0279     do {
0280         NVRAM_DELAY();
0281         word = rd_reg_word(&reg->nvram);
0282         if (!--tmo) {
0283             ret = QLA_FUNCTION_FAILED;
0284             break;
0285         }
0286     } while ((word & NVR_DATA_IN) == 0);
0287 
0288     qla2x00_nv_deselect(ha);
0289 
0290     /* Disable writes */
0291     qla2x00_nv_write(ha, NVR_DATA_OUT);
0292     for (count = 0; count < 10; count++)
0293         qla2x00_nv_write(ha, 0);
0294 
0295     qla2x00_nv_deselect(ha);
0296 
0297     return ret;
0298 }
0299 
0300 /**
0301  * qla2x00_clear_nvram_protection() -
0302  * @ha: HA context
0303  */
0304 static int
0305 qla2x00_clear_nvram_protection(struct qla_hw_data *ha)
0306 {
0307     int ret, stat;
0308     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0309     uint32_t word, wait_cnt;
0310     __le16 wprot, wprot_old;
0311     scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
0312 
0313     /* Clear NVRAM write protection. */
0314     ret = QLA_FUNCTION_FAILED;
0315 
0316     wprot_old = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
0317     stat = qla2x00_write_nvram_word_tmo(ha, ha->nvram_base,
0318                         cpu_to_le16(0x1234), 100000);
0319     wprot = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
0320     if (stat != QLA_SUCCESS || wprot != cpu_to_le16(0x1234)) {
0321         /* Write enable. */
0322         qla2x00_nv_write(ha, NVR_DATA_OUT);
0323         qla2x00_nv_write(ha, 0);
0324         qla2x00_nv_write(ha, 0);
0325         for (word = 0; word < 8; word++)
0326             qla2x00_nv_write(ha, NVR_DATA_OUT);
0327 
0328         qla2x00_nv_deselect(ha);
0329 
0330         /* Enable protection register. */
0331         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
0332         qla2x00_nv_write(ha, NVR_PR_ENABLE);
0333         qla2x00_nv_write(ha, NVR_PR_ENABLE);
0334         for (word = 0; word < 8; word++)
0335             qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
0336 
0337         qla2x00_nv_deselect(ha);
0338 
0339         /* Clear protection register (ffff is cleared). */
0340         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
0341         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
0342         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
0343         for (word = 0; word < 8; word++)
0344             qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
0345 
0346         qla2x00_nv_deselect(ha);
0347 
0348         /* Wait for NVRAM to become ready. */
0349         wrt_reg_word(&reg->nvram, NVR_SELECT);
0350         rd_reg_word(&reg->nvram);   /* PCI Posting. */
0351         wait_cnt = NVR_WAIT_CNT;
0352         do {
0353             if (!--wait_cnt) {
0354                 ql_dbg(ql_dbg_user, vha, 0x708e,
0355                     "NVRAM didn't go ready...\n");
0356                 break;
0357             }
0358             NVRAM_DELAY();
0359             word = rd_reg_word(&reg->nvram);
0360         } while ((word & NVR_DATA_IN) == 0);
0361 
0362         if (wait_cnt)
0363             ret = QLA_SUCCESS;
0364     } else
0365         qla2x00_write_nvram_word(ha, ha->nvram_base, wprot_old);
0366 
0367     return ret;
0368 }
0369 
0370 static void
0371 qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
0372 {
0373     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0374     uint32_t word, wait_cnt;
0375     scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
0376 
0377     if (stat != QLA_SUCCESS)
0378         return;
0379 
0380     /* Set NVRAM write protection. */
0381     /* Write enable. */
0382     qla2x00_nv_write(ha, NVR_DATA_OUT);
0383     qla2x00_nv_write(ha, 0);
0384     qla2x00_nv_write(ha, 0);
0385     for (word = 0; word < 8; word++)
0386         qla2x00_nv_write(ha, NVR_DATA_OUT);
0387 
0388     qla2x00_nv_deselect(ha);
0389 
0390     /* Enable protection register. */
0391     qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
0392     qla2x00_nv_write(ha, NVR_PR_ENABLE);
0393     qla2x00_nv_write(ha, NVR_PR_ENABLE);
0394     for (word = 0; word < 8; word++)
0395         qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
0396 
0397     qla2x00_nv_deselect(ha);
0398 
0399     /* Enable protection register. */
0400     qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
0401     qla2x00_nv_write(ha, NVR_PR_ENABLE);
0402     qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
0403     for (word = 0; word < 8; word++)
0404         qla2x00_nv_write(ha, NVR_PR_ENABLE);
0405 
0406     qla2x00_nv_deselect(ha);
0407 
0408     /* Wait for NVRAM to become ready. */
0409     wrt_reg_word(&reg->nvram, NVR_SELECT);
0410     rd_reg_word(&reg->nvram);       /* PCI Posting. */
0411     wait_cnt = NVR_WAIT_CNT;
0412     do {
0413         if (!--wait_cnt) {
0414             ql_dbg(ql_dbg_user, vha, 0x708f,
0415                 "NVRAM didn't go ready...\n");
0416             break;
0417         }
0418         NVRAM_DELAY();
0419         word = rd_reg_word(&reg->nvram);
0420     } while ((word & NVR_DATA_IN) == 0);
0421 }
0422 
0423 
0424 /*****************************************************************************/
0425 /* Flash Manipulation Routines                                               */
0426 /*****************************************************************************/
0427 
0428 static inline uint32_t
0429 flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
0430 {
0431     return ha->flash_conf_off + faddr;
0432 }
0433 
0434 static inline uint32_t
0435 flash_data_addr(struct qla_hw_data *ha, uint32_t faddr)
0436 {
0437     return ha->flash_data_off + faddr;
0438 }
0439 
0440 static inline uint32_t
0441 nvram_conf_addr(struct qla_hw_data *ha, uint32_t naddr)
0442 {
0443     return ha->nvram_conf_off + naddr;
0444 }
0445 
0446 static inline uint32_t
0447 nvram_data_addr(struct qla_hw_data *ha, uint32_t naddr)
0448 {
0449     return ha->nvram_data_off + naddr;
0450 }
0451 
0452 static int
0453 qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t *data)
0454 {
0455     struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0456     ulong cnt = 30000;
0457 
0458     wrt_reg_dword(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
0459 
0460     while (cnt--) {
0461         if (rd_reg_dword(&reg->flash_addr) & FARX_DATA_FLAG) {
0462             *data = rd_reg_dword(&reg->flash_data);
0463             return QLA_SUCCESS;
0464         }
0465         udelay(10);
0466         cond_resched();
0467     }
0468 
0469     ql_log(ql_log_warn, pci_get_drvdata(ha->pdev), 0x7090,
0470         "Flash read dword at %x timeout.\n", addr);
0471     *data = 0xDEADDEAD;
0472     return QLA_FUNCTION_TIMEOUT;
0473 }
0474 
0475 int
0476 qla24xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
0477     uint32_t dwords)
0478 {
0479     ulong i;
0480     int ret = QLA_SUCCESS;
0481     struct qla_hw_data *ha = vha->hw;
0482 
0483     /* Dword reads to flash. */
0484     faddr =  flash_data_addr(ha, faddr);
0485     for (i = 0; i < dwords; i++, faddr++, dwptr++) {
0486         ret = qla24xx_read_flash_dword(ha, faddr, dwptr);
0487         if (ret != QLA_SUCCESS)
0488             break;
0489         cpu_to_le32s(dwptr);
0490     }
0491 
0492     return ret;
0493 }
0494 
0495 static int
0496 qla24xx_write_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t data)
0497 {
0498     struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0499     ulong cnt = 500000;
0500 
0501     wrt_reg_dword(&reg->flash_data, data);
0502     wrt_reg_dword(&reg->flash_addr, addr | FARX_DATA_FLAG);
0503 
0504     while (cnt--) {
0505         if (!(rd_reg_dword(&reg->flash_addr) & FARX_DATA_FLAG))
0506             return QLA_SUCCESS;
0507         udelay(10);
0508         cond_resched();
0509     }
0510 
0511     ql_log(ql_log_warn, pci_get_drvdata(ha->pdev), 0x7090,
0512         "Flash write dword at %x timeout.\n", addr);
0513     return QLA_FUNCTION_TIMEOUT;
0514 }
0515 
0516 static void
0517 qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
0518     uint8_t *flash_id)
0519 {
0520     uint32_t faddr, ids = 0;
0521 
0522     *man_id = *flash_id = 0;
0523 
0524     faddr = flash_conf_addr(ha, 0x03ab);
0525     if (!qla24xx_read_flash_dword(ha, faddr, &ids)) {
0526         *man_id = LSB(ids);
0527         *flash_id = MSB(ids);
0528     }
0529 
0530     /* Check if man_id and flash_id are valid. */
0531     if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
0532         /* Read information using 0x9f opcode
0533          * Device ID, Mfg ID would be read in the format:
0534          *   <Ext Dev Info><Device ID Part2><Device ID Part 1><Mfg ID>
0535          * Example: ATMEL 0x00 01 45 1F
0536          * Extract MFG and Dev ID from last two bytes.
0537          */
0538         faddr = flash_conf_addr(ha, 0x009f);
0539         if (!qla24xx_read_flash_dword(ha, faddr, &ids)) {
0540             *man_id = LSB(ids);
0541             *flash_id = MSB(ids);
0542         }
0543     }
0544 }
0545 
0546 static int
0547 qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
0548 {
0549     const char *loc, *locations[] = { "DEF", "PCI" };
0550     uint32_t pcihdr, pcids;
0551     uint16_t cnt, chksum;
0552     __le16 *wptr;
0553     struct qla_hw_data *ha = vha->hw;
0554     struct req_que *req = ha->req_q_map[0];
0555     struct qla_flt_location *fltl = (void *)req->ring;
0556     uint32_t *dcode = (uint32_t *)req->ring;
0557     uint8_t *buf = (void *)req->ring, *bcode,  last_image;
0558 
0559     /*
0560      * FLT-location structure resides after the last PCI region.
0561      */
0562 
0563     /* Begin with sane defaults. */
0564     loc = locations[0];
0565     *start = 0;
0566     if (IS_QLA24XX_TYPE(ha))
0567         *start = FA_FLASH_LAYOUT_ADDR_24;
0568     else if (IS_QLA25XX(ha))
0569         *start = FA_FLASH_LAYOUT_ADDR;
0570     else if (IS_QLA81XX(ha))
0571         *start = FA_FLASH_LAYOUT_ADDR_81;
0572     else if (IS_P3P_TYPE(ha)) {
0573         *start = FA_FLASH_LAYOUT_ADDR_82;
0574         goto end;
0575     } else if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
0576         *start = FA_FLASH_LAYOUT_ADDR_83;
0577         goto end;
0578     } else if (IS_QLA28XX(ha)) {
0579         *start = FA_FLASH_LAYOUT_ADDR_28;
0580         goto end;
0581     }
0582 
0583     /* Begin with first PCI expansion ROM header. */
0584     pcihdr = 0;
0585     do {
0586         /* Verify PCI expansion ROM header. */
0587         qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
0588         bcode = buf + (pcihdr % 4);
0589         if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
0590             goto end;
0591 
0592         /* Locate PCI data structure. */
0593         pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
0594         qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
0595         bcode = buf + (pcihdr % 4);
0596 
0597         /* Validate signature of PCI data structure. */
0598         if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
0599             bcode[0x2] != 'I' || bcode[0x3] != 'R')
0600             goto end;
0601 
0602         last_image = bcode[0x15] & BIT_7;
0603 
0604         /* Locate next PCI expansion ROM. */
0605         pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
0606     } while (!last_image);
0607 
0608     /* Now verify FLT-location structure. */
0609     qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, sizeof(*fltl) >> 2);
0610     if (memcmp(fltl->sig, "QFLT", 4))
0611         goto end;
0612 
0613     wptr = (__force __le16 *)req->ring;
0614     cnt = sizeof(*fltl) / sizeof(*wptr);
0615     for (chksum = 0; cnt--; wptr++)
0616         chksum += le16_to_cpu(*wptr);
0617     if (chksum) {
0618         ql_log(ql_log_fatal, vha, 0x0045,
0619             "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
0620         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010e,
0621             fltl, sizeof(*fltl));
0622         return QLA_FUNCTION_FAILED;
0623     }
0624 
0625     /* Good data.  Use specified location. */
0626     loc = locations[1];
0627     *start = (le16_to_cpu(fltl->start_hi) << 16 |
0628         le16_to_cpu(fltl->start_lo)) >> 2;
0629 end:
0630     ql_dbg(ql_dbg_init, vha, 0x0046,
0631         "FLTL[%s] = 0x%x.\n",
0632         loc, *start);
0633     return QLA_SUCCESS;
0634 }
0635 
0636 static void
0637 qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
0638 {
0639     const char *locations[] = { "DEF", "FLT" }, *loc = locations[1];
0640     const uint32_t def_fw[] =
0641         { FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR_81 };
0642     const uint32_t def_boot[] =
0643         { FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR_81 };
0644     const uint32_t def_vpd_nvram[] =
0645         { FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR_81 };
0646     const uint32_t def_vpd0[] =
0647         { 0, 0, FA_VPD0_ADDR_81 };
0648     const uint32_t def_vpd1[] =
0649         { 0, 0, FA_VPD1_ADDR_81 };
0650     const uint32_t def_nvram0[] =
0651         { 0, 0, FA_NVRAM0_ADDR_81 };
0652     const uint32_t def_nvram1[] =
0653         { 0, 0, FA_NVRAM1_ADDR_81 };
0654     const uint32_t def_fdt[] =
0655         { FA_FLASH_DESCR_ADDR_24, FA_FLASH_DESCR_ADDR,
0656             FA_FLASH_DESCR_ADDR_81 };
0657     const uint32_t def_npiv_conf0[] =
0658         { FA_NPIV_CONF0_ADDR_24, FA_NPIV_CONF0_ADDR,
0659             FA_NPIV_CONF0_ADDR_81 };
0660     const uint32_t def_npiv_conf1[] =
0661         { FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
0662             FA_NPIV_CONF1_ADDR_81 };
0663     const uint32_t fcp_prio_cfg0[] =
0664         { FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25,
0665             0 };
0666     const uint32_t fcp_prio_cfg1[] =
0667         { FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25,
0668             0 };
0669 
0670     struct qla_hw_data *ha = vha->hw;
0671     uint32_t def = IS_QLA81XX(ha) ? 2 : IS_QLA25XX(ha) ? 1 : 0;
0672     struct qla_flt_header *flt = ha->flt;
0673     struct qla_flt_region *region = &flt->region[0];
0674     __le16 *wptr;
0675     uint16_t cnt, chksum;
0676     uint32_t start;
0677 
0678     /* Assign FCP prio region since older adapters may not have FLT, or
0679        FCP prio region in it's FLT.
0680      */
0681     ha->flt_region_fcp_prio = (ha->port_no == 0) ?
0682         fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
0683 
0684     ha->flt_region_flt = flt_addr;
0685     wptr = (__force __le16 *)ha->flt;
0686     ha->isp_ops->read_optrom(vha, flt, flt_addr << 2,
0687         (sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE));
0688 
0689     if (le16_to_cpu(*wptr) == 0xffff)
0690         goto no_flash_data;
0691     if (flt->version != cpu_to_le16(1)) {
0692         ql_log(ql_log_warn, vha, 0x0047,
0693             "Unsupported FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
0694             le16_to_cpu(flt->version), le16_to_cpu(flt->length),
0695             le16_to_cpu(flt->checksum));
0696         goto no_flash_data;
0697     }
0698 
0699     cnt = (sizeof(*flt) + le16_to_cpu(flt->length)) / sizeof(*wptr);
0700     for (chksum = 0; cnt--; wptr++)
0701         chksum += le16_to_cpu(*wptr);
0702     if (chksum) {
0703         ql_log(ql_log_fatal, vha, 0x0048,
0704             "Inconsistent FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
0705             le16_to_cpu(flt->version), le16_to_cpu(flt->length),
0706             le16_to_cpu(flt->checksum));
0707         goto no_flash_data;
0708     }
0709 
0710     cnt = le16_to_cpu(flt->length) / sizeof(*region);
0711     for ( ; cnt; cnt--, region++) {
0712         /* Store addresses as DWORD offsets. */
0713         start = le32_to_cpu(region->start) >> 2;
0714         ql_dbg(ql_dbg_init, vha, 0x0049,
0715             "FLT[%#x]: start=%#x end=%#x size=%#x.\n",
0716             le16_to_cpu(region->code), start,
0717             le32_to_cpu(region->end) >> 2,
0718             le32_to_cpu(region->size) >> 2);
0719         if (region->attribute)
0720             ql_log(ql_dbg_init, vha, 0xffff,
0721                 "Region %x is secure\n", region->code);
0722 
0723         switch (le16_to_cpu(region->code)) {
0724         case FLT_REG_FCOE_FW:
0725             if (!IS_QLA8031(ha))
0726                 break;
0727             ha->flt_region_fw = start;
0728             break;
0729         case FLT_REG_FW:
0730             if (IS_QLA8031(ha))
0731                 break;
0732             ha->flt_region_fw = start;
0733             break;
0734         case FLT_REG_BOOT_CODE:
0735             ha->flt_region_boot = start;
0736             break;
0737         case FLT_REG_VPD_0:
0738             if (IS_QLA8031(ha))
0739                 break;
0740             ha->flt_region_vpd_nvram = start;
0741             if (IS_P3P_TYPE(ha))
0742                 break;
0743             if (ha->port_no == 0)
0744                 ha->flt_region_vpd = start;
0745             break;
0746         case FLT_REG_VPD_1:
0747             if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
0748                 break;
0749             if (ha->port_no == 1)
0750                 ha->flt_region_vpd = start;
0751             break;
0752         case FLT_REG_VPD_2:
0753             if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
0754                 break;
0755             if (ha->port_no == 2)
0756                 ha->flt_region_vpd = start;
0757             break;
0758         case FLT_REG_VPD_3:
0759             if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
0760                 break;
0761             if (ha->port_no == 3)
0762                 ha->flt_region_vpd = start;
0763             break;
0764         case FLT_REG_NVRAM_0:
0765             if (IS_QLA8031(ha))
0766                 break;
0767             if (ha->port_no == 0)
0768                 ha->flt_region_nvram = start;
0769             break;
0770         case FLT_REG_NVRAM_1:
0771             if (IS_QLA8031(ha))
0772                 break;
0773             if (ha->port_no == 1)
0774                 ha->flt_region_nvram = start;
0775             break;
0776         case FLT_REG_NVRAM_2:
0777             if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
0778                 break;
0779             if (ha->port_no == 2)
0780                 ha->flt_region_nvram = start;
0781             break;
0782         case FLT_REG_NVRAM_3:
0783             if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
0784                 break;
0785             if (ha->port_no == 3)
0786                 ha->flt_region_nvram = start;
0787             break;
0788         case FLT_REG_FDT:
0789             ha->flt_region_fdt = start;
0790             break;
0791         case FLT_REG_NPIV_CONF_0:
0792             if (ha->port_no == 0)
0793                 ha->flt_region_npiv_conf = start;
0794             break;
0795         case FLT_REG_NPIV_CONF_1:
0796             if (ha->port_no == 1)
0797                 ha->flt_region_npiv_conf = start;
0798             break;
0799         case FLT_REG_GOLD_FW:
0800             ha->flt_region_gold_fw = start;
0801             break;
0802         case FLT_REG_FCP_PRIO_0:
0803             if (ha->port_no == 0)
0804                 ha->flt_region_fcp_prio = start;
0805             break;
0806         case FLT_REG_FCP_PRIO_1:
0807             if (ha->port_no == 1)
0808                 ha->flt_region_fcp_prio = start;
0809             break;
0810         case FLT_REG_BOOT_CODE_82XX:
0811             ha->flt_region_boot = start;
0812             break;
0813         case FLT_REG_BOOT_CODE_8044:
0814             if (IS_QLA8044(ha))
0815                 ha->flt_region_boot = start;
0816             break;
0817         case FLT_REG_FW_82XX:
0818             ha->flt_region_fw = start;
0819             break;
0820         case FLT_REG_CNA_FW:
0821             if (IS_CNA_CAPABLE(ha))
0822                 ha->flt_region_fw = start;
0823             break;
0824         case FLT_REG_GOLD_FW_82XX:
0825             ha->flt_region_gold_fw = start;
0826             break;
0827         case FLT_REG_BOOTLOAD_82XX:
0828             ha->flt_region_bootload = start;
0829             break;
0830         case FLT_REG_VPD_8XXX:
0831             if (IS_CNA_CAPABLE(ha))
0832                 ha->flt_region_vpd = start;
0833             break;
0834         case FLT_REG_FCOE_NVRAM_0:
0835             if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
0836                 break;
0837             if (ha->port_no == 0)
0838                 ha->flt_region_nvram = start;
0839             break;
0840         case FLT_REG_FCOE_NVRAM_1:
0841             if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
0842                 break;
0843             if (ha->port_no == 1)
0844                 ha->flt_region_nvram = start;
0845             break;
0846         case FLT_REG_IMG_PRI_27XX:
0847             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0848                 ha->flt_region_img_status_pri = start;
0849             break;
0850         case FLT_REG_IMG_SEC_27XX:
0851             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0852                 ha->flt_region_img_status_sec = start;
0853             break;
0854         case FLT_REG_FW_SEC_27XX:
0855             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0856                 ha->flt_region_fw_sec = start;
0857             break;
0858         case FLT_REG_BOOTLOAD_SEC_27XX:
0859             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0860                 ha->flt_region_boot_sec = start;
0861             break;
0862         case FLT_REG_AUX_IMG_PRI_28XX:
0863             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0864                 ha->flt_region_aux_img_status_pri = start;
0865             break;
0866         case FLT_REG_AUX_IMG_SEC_28XX:
0867             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0868                 ha->flt_region_aux_img_status_sec = start;
0869             break;
0870         case FLT_REG_NVRAM_SEC_28XX_0:
0871             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0872                 if (ha->port_no == 0)
0873                     ha->flt_region_nvram_sec = start;
0874             break;
0875         case FLT_REG_NVRAM_SEC_28XX_1:
0876             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0877                 if (ha->port_no == 1)
0878                     ha->flt_region_nvram_sec = start;
0879             break;
0880         case FLT_REG_NVRAM_SEC_28XX_2:
0881             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0882                 if (ha->port_no == 2)
0883                     ha->flt_region_nvram_sec = start;
0884             break;
0885         case FLT_REG_NVRAM_SEC_28XX_3:
0886             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0887                 if (ha->port_no == 3)
0888                     ha->flt_region_nvram_sec = start;
0889             break;
0890         case FLT_REG_VPD_SEC_27XX_0:
0891         case FLT_REG_VPD_SEC_28XX_0:
0892             if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
0893                 ha->flt_region_vpd_nvram_sec = start;
0894                 if (ha->port_no == 0)
0895                     ha->flt_region_vpd_sec = start;
0896             }
0897             break;
0898         case FLT_REG_VPD_SEC_27XX_1:
0899         case FLT_REG_VPD_SEC_28XX_1:
0900             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0901                 if (ha->port_no == 1)
0902                     ha->flt_region_vpd_sec = start;
0903             break;
0904         case FLT_REG_VPD_SEC_27XX_2:
0905         case FLT_REG_VPD_SEC_28XX_2:
0906             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0907                 if (ha->port_no == 2)
0908                     ha->flt_region_vpd_sec = start;
0909             break;
0910         case FLT_REG_VPD_SEC_27XX_3:
0911         case FLT_REG_VPD_SEC_28XX_3:
0912             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
0913                 if (ha->port_no == 3)
0914                     ha->flt_region_vpd_sec = start;
0915             break;
0916         }
0917     }
0918     goto done;
0919 
0920 no_flash_data:
0921     /* Use hardcoded defaults. */
0922     loc = locations[0];
0923     ha->flt_region_fw = def_fw[def];
0924     ha->flt_region_boot = def_boot[def];
0925     ha->flt_region_vpd_nvram = def_vpd_nvram[def];
0926     ha->flt_region_vpd = (ha->port_no == 0) ?
0927         def_vpd0[def] : def_vpd1[def];
0928     ha->flt_region_nvram = (ha->port_no == 0) ?
0929         def_nvram0[def] : def_nvram1[def];
0930     ha->flt_region_fdt = def_fdt[def];
0931     ha->flt_region_npiv_conf = (ha->port_no == 0) ?
0932         def_npiv_conf0[def] : def_npiv_conf1[def];
0933 done:
0934     ql_dbg(ql_dbg_init, vha, 0x004a,
0935         "FLT[%s]: boot=0x%x fw=0x%x vpd_nvram=0x%x vpd=0x%x nvram=0x%x "
0936         "fdt=0x%x flt=0x%x npiv=0x%x fcp_prif_cfg=0x%x.\n",
0937         loc, ha->flt_region_boot, ha->flt_region_fw,
0938         ha->flt_region_vpd_nvram, ha->flt_region_vpd, ha->flt_region_nvram,
0939         ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_npiv_conf,
0940         ha->flt_region_fcp_prio);
0941 }
0942 
0943 static void
0944 qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
0945 {
0946 #define FLASH_BLK_SIZE_4K   0x1000
0947 #define FLASH_BLK_SIZE_32K  0x8000
0948 #define FLASH_BLK_SIZE_64K  0x10000
0949     const char *loc, *locations[] = { "MID", "FDT" };
0950     struct qla_hw_data *ha = vha->hw;
0951     struct req_que *req = ha->req_q_map[0];
0952     uint16_t cnt, chksum;
0953     __le16 *wptr = (__force __le16 *)req->ring;
0954     struct qla_fdt_layout *fdt = (struct qla_fdt_layout *)req->ring;
0955     uint8_t man_id, flash_id;
0956     uint16_t mid = 0, fid = 0;
0957 
0958     ha->isp_ops->read_optrom(vha, fdt, ha->flt_region_fdt << 2,
0959         OPTROM_BURST_DWORDS);
0960     if (le16_to_cpu(*wptr) == 0xffff)
0961         goto no_flash_data;
0962     if (memcmp(fdt->sig, "QLID", 4))
0963         goto no_flash_data;
0964 
0965     for (cnt = 0, chksum = 0; cnt < sizeof(*fdt) >> 1; cnt++, wptr++)
0966         chksum += le16_to_cpu(*wptr);
0967     if (chksum) {
0968         ql_dbg(ql_dbg_init, vha, 0x004c,
0969             "Inconsistent FDT detected:"
0970             " checksum=0x%x id=%c version0x%x.\n", chksum,
0971             fdt->sig[0], le16_to_cpu(fdt->version));
0972         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0113,
0973             fdt, sizeof(*fdt));
0974         goto no_flash_data;
0975     }
0976 
0977     loc = locations[1];
0978     mid = le16_to_cpu(fdt->man_id);
0979     fid = le16_to_cpu(fdt->id);
0980     ha->fdt_wrt_disable = fdt->wrt_disable_bits;
0981     ha->fdt_wrt_enable = fdt->wrt_enable_bits;
0982     ha->fdt_wrt_sts_reg_cmd = fdt->wrt_sts_reg_cmd;
0983     if (IS_QLA8044(ha))
0984         ha->fdt_erase_cmd = fdt->erase_cmd;
0985     else
0986         ha->fdt_erase_cmd =
0987             flash_conf_addr(ha, 0x0300 | fdt->erase_cmd);
0988     ha->fdt_block_size = le32_to_cpu(fdt->block_size);
0989     if (fdt->unprotect_sec_cmd) {
0990         ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0300 |
0991             fdt->unprotect_sec_cmd);
0992         ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
0993             flash_conf_addr(ha, 0x0300 | fdt->protect_sec_cmd) :
0994             flash_conf_addr(ha, 0x0336);
0995     }
0996     goto done;
0997 no_flash_data:
0998     loc = locations[0];
0999     if (IS_P3P_TYPE(ha)) {
1000         ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1001         goto done;
1002     }
1003     qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
1004     mid = man_id;
1005     fid = flash_id;
1006     ha->fdt_wrt_disable = 0x9c;
1007     ha->fdt_erase_cmd = flash_conf_addr(ha, 0x03d8);
1008     switch (man_id) {
1009     case 0xbf: /* STT flash. */
1010         if (flash_id == 0x8e)
1011             ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1012         else
1013             ha->fdt_block_size = FLASH_BLK_SIZE_32K;
1014 
1015         if (flash_id == 0x80)
1016             ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0352);
1017         break;
1018     case 0x13: /* ST M25P80. */
1019         ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1020         break;
1021     case 0x1f: /* Atmel 26DF081A. */
1022         ha->fdt_block_size = FLASH_BLK_SIZE_4K;
1023         ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0320);
1024         ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0339);
1025         ha->fdt_protect_sec_cmd = flash_conf_addr(ha, 0x0336);
1026         break;
1027     default:
1028         /* Default to 64 kb sector size. */
1029         ha->fdt_block_size = FLASH_BLK_SIZE_64K;
1030         break;
1031     }
1032 done:
1033     ql_dbg(ql_dbg_init, vha, 0x004d,
1034         "FDT[%s]: (0x%x/0x%x) erase=0x%x "
1035         "pr=%x wrtd=0x%x blk=0x%x.\n",
1036         loc, mid, fid,
1037         ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
1038         ha->fdt_wrt_disable, ha->fdt_block_size);
1039 
1040 }
1041 
1042 static void
1043 qla2xxx_get_idc_param(scsi_qla_host_t *vha)
1044 {
1045 #define QLA82XX_IDC_PARAM_ADDR       0x003e885c
1046     __le32 *wptr;
1047     struct qla_hw_data *ha = vha->hw;
1048     struct req_que *req = ha->req_q_map[0];
1049 
1050     if (!(IS_P3P_TYPE(ha)))
1051         return;
1052 
1053     wptr = (__force __le32 *)req->ring;
1054     ha->isp_ops->read_optrom(vha, req->ring, QLA82XX_IDC_PARAM_ADDR, 8);
1055 
1056     if (*wptr == cpu_to_le32(0xffffffff)) {
1057         ha->fcoe_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT;
1058         ha->fcoe_reset_timeout = QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT;
1059     } else {
1060         ha->fcoe_dev_init_timeout = le32_to_cpu(*wptr);
1061         wptr++;
1062         ha->fcoe_reset_timeout = le32_to_cpu(*wptr);
1063     }
1064     ql_dbg(ql_dbg_init, vha, 0x004e,
1065         "fcoe_dev_init_timeout=%d "
1066         "fcoe_reset_timeout=%d.\n", ha->fcoe_dev_init_timeout,
1067         ha->fcoe_reset_timeout);
1068     return;
1069 }
1070 
1071 int
1072 qla2xxx_get_flash_info(scsi_qla_host_t *vha)
1073 {
1074     int ret;
1075     uint32_t flt_addr;
1076     struct qla_hw_data *ha = vha->hw;
1077 
1078     if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1079         !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
1080         !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1081         return QLA_SUCCESS;
1082 
1083     ret = qla2xxx_find_flt_start(vha, &flt_addr);
1084     if (ret != QLA_SUCCESS)
1085         return ret;
1086 
1087     qla2xxx_get_flt_info(vha, flt_addr);
1088     qla2xxx_get_fdt_info(vha);
1089     qla2xxx_get_idc_param(vha);
1090 
1091     return QLA_SUCCESS;
1092 }
1093 
1094 void
1095 qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
1096 {
1097 #define NPIV_CONFIG_SIZE    (16*1024)
1098     void *data;
1099     __le16 *wptr;
1100     uint16_t cnt, chksum;
1101     int i;
1102     struct qla_npiv_header hdr;
1103     struct qla_npiv_entry *entry;
1104     struct qla_hw_data *ha = vha->hw;
1105 
1106     if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1107         !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha))
1108         return;
1109 
1110     if (ha->flags.nic_core_reset_hdlr_active)
1111         return;
1112 
1113     if (IS_QLA8044(ha))
1114         return;
1115 
1116     ha->isp_ops->read_optrom(vha, &hdr, ha->flt_region_npiv_conf << 2,
1117         sizeof(struct qla_npiv_header));
1118     if (hdr.version == cpu_to_le16(0xffff))
1119         return;
1120     if (hdr.version != cpu_to_le16(1)) {
1121         ql_dbg(ql_dbg_user, vha, 0x7090,
1122             "Unsupported NPIV-Config "
1123             "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1124             le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1125             le16_to_cpu(hdr.checksum));
1126         return;
1127     }
1128 
1129     data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
1130     if (!data) {
1131         ql_log(ql_log_warn, vha, 0x7091,
1132             "Unable to allocate memory for data.\n");
1133         return;
1134     }
1135 
1136     ha->isp_ops->read_optrom(vha, data, ha->flt_region_npiv_conf << 2,
1137         NPIV_CONFIG_SIZE);
1138 
1139     cnt = (sizeof(hdr) + le16_to_cpu(hdr.entries) * sizeof(*entry)) >> 1;
1140     for (wptr = data, chksum = 0; cnt--; wptr++)
1141         chksum += le16_to_cpu(*wptr);
1142     if (chksum) {
1143         ql_dbg(ql_dbg_user, vha, 0x7092,
1144             "Inconsistent NPIV-Config "
1145             "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1146             le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1147             le16_to_cpu(hdr.checksum));
1148         goto done;
1149     }
1150 
1151     entry = data + sizeof(struct qla_npiv_header);
1152     cnt = le16_to_cpu(hdr.entries);
1153     for (i = 0; cnt; cnt--, entry++, i++) {
1154         uint16_t flags;
1155         struct fc_vport_identifiers vid;
1156         struct fc_vport *vport;
1157 
1158         memcpy(&ha->npiv_info[i], entry, sizeof(struct qla_npiv_entry));
1159 
1160         flags = le16_to_cpu(entry->flags);
1161         if (flags == 0xffff)
1162             continue;
1163         if ((flags & BIT_0) == 0)
1164             continue;
1165 
1166         memset(&vid, 0, sizeof(vid));
1167         vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1168         vid.vport_type = FC_PORTTYPE_NPIV;
1169         vid.disable = false;
1170         vid.port_name = wwn_to_u64(entry->port_name);
1171         vid.node_name = wwn_to_u64(entry->node_name);
1172 
1173         ql_dbg(ql_dbg_user, vha, 0x7093,
1174             "NPIV[%02x]: wwpn=%llx wwnn=%llx vf_id=%#x Q_qos=%#x F_qos=%#x.\n",
1175             cnt, vid.port_name, vid.node_name,
1176             le16_to_cpu(entry->vf_id),
1177             entry->q_qos, entry->f_qos);
1178 
1179         if (i < QLA_PRECONFIG_VPORTS) {
1180             vport = fc_vport_create(vha->host, 0, &vid);
1181             if (!vport)
1182                 ql_log(ql_log_warn, vha, 0x7094,
1183                     "NPIV-Config Failed to create vport [%02x]: wwpn=%llx wwnn=%llx.\n",
1184                     cnt, vid.port_name, vid.node_name);
1185         }
1186     }
1187 done:
1188     kfree(data);
1189 }
1190 
1191 static int
1192 qla24xx_unprotect_flash(scsi_qla_host_t *vha)
1193 {
1194     struct qla_hw_data *ha = vha->hw;
1195     struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1196 
1197     if (ha->flags.fac_supported)
1198         return qla81xx_fac_do_write_enable(vha, 1);
1199 
1200     /* Enable flash write. */
1201     wrt_reg_dword(&reg->ctrl_status,
1202         rd_reg_dword(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1203     rd_reg_dword(&reg->ctrl_status);    /* PCI Posting. */
1204 
1205     if (!ha->fdt_wrt_disable)
1206         goto done;
1207 
1208     /* Disable flash write-protection, first clear SR protection bit */
1209     qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1210     /* Then write zero again to clear remaining SR bits.*/
1211     qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1212 done:
1213     return QLA_SUCCESS;
1214 }
1215 
1216 static int
1217 qla24xx_protect_flash(scsi_qla_host_t *vha)
1218 {
1219     struct qla_hw_data *ha = vha->hw;
1220     struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1221     ulong cnt = 300;
1222     uint32_t faddr, dword;
1223 
1224     if (ha->flags.fac_supported)
1225         return qla81xx_fac_do_write_enable(vha, 0);
1226 
1227     if (!ha->fdt_wrt_disable)
1228         goto skip_wrt_protect;
1229 
1230     /* Enable flash write-protection and wait for completion. */
1231     faddr = flash_conf_addr(ha, 0x101);
1232     qla24xx_write_flash_dword(ha, faddr, ha->fdt_wrt_disable);
1233     faddr = flash_conf_addr(ha, 0x5);
1234     while (cnt--) {
1235         if (!qla24xx_read_flash_dword(ha, faddr, &dword)) {
1236             if (!(dword & BIT_0))
1237                 break;
1238         }
1239         udelay(10);
1240     }
1241 
1242 skip_wrt_protect:
1243     /* Disable flash write. */
1244     wrt_reg_dword(&reg->ctrl_status,
1245         rd_reg_dword(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1246 
1247     return QLA_SUCCESS;
1248 }
1249 
1250 static int
1251 qla24xx_erase_sector(scsi_qla_host_t *vha, uint32_t fdata)
1252 {
1253     struct qla_hw_data *ha = vha->hw;
1254     uint32_t start, finish;
1255 
1256     if (ha->flags.fac_supported) {
1257         start = fdata >> 2;
1258         finish = start + (ha->fdt_block_size >> 2) - 1;
1259         return qla81xx_fac_erase_sector(vha, flash_data_addr(ha,
1260             start), flash_data_addr(ha, finish));
1261     }
1262 
1263     return qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
1264         (fdata & 0xff00) | ((fdata << 16) & 0xff0000) |
1265         ((fdata >> 16) & 0xff));
1266 }
1267 
1268 static int
1269 qla24xx_write_flash_data(scsi_qla_host_t *vha, __le32 *dwptr, uint32_t faddr,
1270     uint32_t dwords)
1271 {
1272     int ret;
1273     ulong liter;
1274     ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
1275     uint32_t sec_mask, rest_addr, fdata;
1276     dma_addr_t optrom_dma;
1277     void *optrom = NULL;
1278     struct qla_hw_data *ha = vha->hw;
1279 
1280     if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1281         !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1282         goto next;
1283 
1284     /* Allocate dma buffer for burst write */
1285     optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1286         &optrom_dma, GFP_KERNEL);
1287     if (!optrom) {
1288         ql_log(ql_log_warn, vha, 0x7095,
1289             "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
1290     }
1291 
1292 next:
1293     ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1294         "Unprotect flash...\n");
1295     ret = qla24xx_unprotect_flash(vha);
1296     if (ret) {
1297         ql_log(ql_log_warn, vha, 0x7096,
1298             "Failed to unprotect flash.\n");
1299         goto done;
1300     }
1301 
1302     rest_addr = (ha->fdt_block_size >> 2) - 1;
1303     sec_mask = ~rest_addr;
1304     for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
1305         fdata = (faddr & sec_mask) << 2;
1306 
1307         /* Are we at the beginning of a sector? */
1308         if (!(faddr & rest_addr)) {
1309             ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1310                 "Erase sector %#x...\n", faddr);
1311 
1312             ret = qla24xx_erase_sector(vha, fdata);
1313             if (ret) {
1314                 ql_dbg(ql_dbg_user, vha, 0x7007,
1315                     "Failed to erase sector %x.\n", faddr);
1316                 break;
1317             }
1318         }
1319 
1320         if (optrom) {
1321             /* If smaller than a burst remaining */
1322             if (dwords - liter < dburst)
1323                 dburst = dwords - liter;
1324 
1325             /* Copy to dma buffer */
1326             memcpy(optrom, dwptr, dburst << 2);
1327 
1328             /* Burst write */
1329             ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1330                 "Write burst (%#lx dwords)...\n", dburst);
1331             ret = qla2x00_load_ram(vha, optrom_dma,
1332                 flash_data_addr(ha, faddr), dburst);
1333             if (!ret) {
1334                 liter += dburst - 1;
1335                 faddr += dburst - 1;
1336                 dwptr += dburst - 1;
1337                 continue;
1338             }
1339 
1340             ql_log(ql_log_warn, vha, 0x7097,
1341                 "Failed burst-write at %x (%p/%#llx)....\n",
1342                 flash_data_addr(ha, faddr), optrom,
1343                 (u64)optrom_dma);
1344 
1345             dma_free_coherent(&ha->pdev->dev,
1346                 OPTROM_BURST_SIZE, optrom, optrom_dma);
1347             optrom = NULL;
1348             if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
1349                 break;
1350             ql_log(ql_log_warn, vha, 0x7098,
1351                 "Reverting to slow write...\n");
1352         }
1353 
1354         /* Slow write */
1355         ret = qla24xx_write_flash_dword(ha,
1356             flash_data_addr(ha, faddr), le32_to_cpu(*dwptr));
1357         if (ret) {
1358             ql_dbg(ql_dbg_user, vha, 0x7006,
1359                 "Failed slow write %x (%x)\n", faddr, *dwptr);
1360             break;
1361         }
1362     }
1363 
1364     ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
1365         "Protect flash...\n");
1366     ret = qla24xx_protect_flash(vha);
1367     if (ret)
1368         ql_log(ql_log_warn, vha, 0x7099,
1369             "Failed to protect flash\n");
1370 done:
1371     if (optrom)
1372         dma_free_coherent(&ha->pdev->dev,
1373             OPTROM_BURST_SIZE, optrom, optrom_dma);
1374 
1375     return ret;
1376 }
1377 
1378 uint8_t *
1379 qla2x00_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1380     uint32_t bytes)
1381 {
1382     uint32_t i;
1383     __le16 *wptr;
1384     struct qla_hw_data *ha = vha->hw;
1385 
1386     /* Word reads to NVRAM via registers. */
1387     wptr = buf;
1388     qla2x00_lock_nvram_access(ha);
1389     for (i = 0; i < bytes >> 1; i++, naddr++)
1390         wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
1391             naddr));
1392     qla2x00_unlock_nvram_access(ha);
1393 
1394     return buf;
1395 }
1396 
1397 uint8_t *
1398 qla24xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1399     uint32_t bytes)
1400 {
1401     struct qla_hw_data *ha = vha->hw;
1402     uint32_t *dwptr = buf;
1403     uint32_t i;
1404 
1405     if (IS_P3P_TYPE(ha))
1406         return  buf;
1407 
1408     /* Dword reads to flash. */
1409     naddr = nvram_data_addr(ha, naddr);
1410     bytes >>= 2;
1411     for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1412         if (qla24xx_read_flash_dword(ha, naddr, dwptr))
1413             break;
1414         cpu_to_le32s(dwptr);
1415     }
1416 
1417     return buf;
1418 }
1419 
1420 int
1421 qla2x00_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1422     uint32_t bytes)
1423 {
1424     int ret, stat;
1425     uint32_t i;
1426     uint16_t *wptr;
1427     unsigned long flags;
1428     struct qla_hw_data *ha = vha->hw;
1429 
1430     ret = QLA_SUCCESS;
1431 
1432     spin_lock_irqsave(&ha->hardware_lock, flags);
1433     qla2x00_lock_nvram_access(ha);
1434 
1435     /* Disable NVRAM write-protection. */
1436     stat = qla2x00_clear_nvram_protection(ha);
1437 
1438     wptr = (uint16_t *)buf;
1439     for (i = 0; i < bytes >> 1; i++, naddr++) {
1440         qla2x00_write_nvram_word(ha, naddr,
1441             cpu_to_le16(*wptr));
1442         wptr++;
1443     }
1444 
1445     /* Enable NVRAM write-protection. */
1446     qla2x00_set_nvram_protection(ha, stat);
1447 
1448     qla2x00_unlock_nvram_access(ha);
1449     spin_unlock_irqrestore(&ha->hardware_lock, flags);
1450 
1451     return ret;
1452 }
1453 
1454 int
1455 qla24xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1456     uint32_t bytes)
1457 {
1458     struct qla_hw_data *ha = vha->hw;
1459     struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1460     __le32 *dwptr = buf;
1461     uint32_t i;
1462     int ret;
1463 
1464     ret = QLA_SUCCESS;
1465 
1466     if (IS_P3P_TYPE(ha))
1467         return ret;
1468 
1469     /* Enable flash write. */
1470     wrt_reg_dword(&reg->ctrl_status,
1471         rd_reg_dword(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1472     rd_reg_dword(&reg->ctrl_status);    /* PCI Posting. */
1473 
1474     /* Disable NVRAM write-protection. */
1475     qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1476     qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1477 
1478     /* Dword writes to flash. */
1479     naddr = nvram_data_addr(ha, naddr);
1480     bytes >>= 2;
1481     for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1482         if (qla24xx_write_flash_dword(ha, naddr, le32_to_cpu(*dwptr))) {
1483             ql_dbg(ql_dbg_user, vha, 0x709a,
1484                 "Unable to program nvram address=%x data=%x.\n",
1485                 naddr, *dwptr);
1486             break;
1487         }
1488     }
1489 
1490     /* Enable NVRAM write-protection. */
1491     qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0x8c);
1492 
1493     /* Disable flash write. */
1494     wrt_reg_dword(&reg->ctrl_status,
1495         rd_reg_dword(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1496     rd_reg_dword(&reg->ctrl_status);    /* PCI Posting. */
1497 
1498     return ret;
1499 }
1500 
1501 uint8_t *
1502 qla25xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1503     uint32_t bytes)
1504 {
1505     struct qla_hw_data *ha = vha->hw;
1506     uint32_t *dwptr = buf;
1507     uint32_t i;
1508 
1509     /* Dword reads to flash. */
1510     naddr = flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr);
1511     bytes >>= 2;
1512     for (i = 0; i < bytes; i++, naddr++, dwptr++) {
1513         if (qla24xx_read_flash_dword(ha, naddr, dwptr))
1514             break;
1515 
1516         cpu_to_le32s(dwptr);
1517     }
1518 
1519     return buf;
1520 }
1521 
1522 #define RMW_BUFFER_SIZE (64 * 1024)
1523 int
1524 qla25xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
1525     uint32_t bytes)
1526 {
1527     struct qla_hw_data *ha = vha->hw;
1528     uint8_t *dbuf = vmalloc(RMW_BUFFER_SIZE);
1529 
1530     if (!dbuf)
1531         return QLA_MEMORY_ALLOC_FAILED;
1532     ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1533         RMW_BUFFER_SIZE);
1534     memcpy(dbuf + (naddr << 2), buf, bytes);
1535     ha->isp_ops->write_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1536         RMW_BUFFER_SIZE);
1537     vfree(dbuf);
1538 
1539     return QLA_SUCCESS;
1540 }
1541 
1542 static inline void
1543 qla2x00_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1544 {
1545     if (IS_QLA2322(ha)) {
1546         /* Flip all colors. */
1547         if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1548             /* Turn off. */
1549             ha->beacon_color_state = 0;
1550             *pflags = GPIO_LED_ALL_OFF;
1551         } else {
1552             /* Turn on. */
1553             ha->beacon_color_state = QLA_LED_ALL_ON;
1554             *pflags = GPIO_LED_RGA_ON;
1555         }
1556     } else {
1557         /* Flip green led only. */
1558         if (ha->beacon_color_state == QLA_LED_GRN_ON) {
1559             /* Turn off. */
1560             ha->beacon_color_state = 0;
1561             *pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
1562         } else {
1563             /* Turn on. */
1564             ha->beacon_color_state = QLA_LED_GRN_ON;
1565             *pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
1566         }
1567     }
1568 }
1569 
1570 #define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
1571 
1572 void
1573 qla2x00_beacon_blink(struct scsi_qla_host *vha)
1574 {
1575     uint16_t gpio_enable;
1576     uint16_t gpio_data;
1577     uint16_t led_color = 0;
1578     unsigned long flags;
1579     struct qla_hw_data *ha = vha->hw;
1580     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1581 
1582     if (IS_P3P_TYPE(ha))
1583         return;
1584 
1585     spin_lock_irqsave(&ha->hardware_lock, flags);
1586 
1587     /* Save the Original GPIOE. */
1588     if (ha->pio_address) {
1589         gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1590         gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1591     } else {
1592         gpio_enable = rd_reg_word(&reg->gpioe);
1593         gpio_data = rd_reg_word(&reg->gpiod);
1594     }
1595 
1596     /* Set the modified gpio_enable values */
1597     gpio_enable |= GPIO_LED_MASK;
1598 
1599     if (ha->pio_address) {
1600         WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1601     } else {
1602         wrt_reg_word(&reg->gpioe, gpio_enable);
1603         rd_reg_word(&reg->gpioe);
1604     }
1605 
1606     qla2x00_flip_colors(ha, &led_color);
1607 
1608     /* Clear out any previously set LED color. */
1609     gpio_data &= ~GPIO_LED_MASK;
1610 
1611     /* Set the new input LED color to GPIOD. */
1612     gpio_data |= led_color;
1613 
1614     /* Set the modified gpio_data values */
1615     if (ha->pio_address) {
1616         WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1617     } else {
1618         wrt_reg_word(&reg->gpiod, gpio_data);
1619         rd_reg_word(&reg->gpiod);
1620     }
1621 
1622     spin_unlock_irqrestore(&ha->hardware_lock, flags);
1623 }
1624 
1625 int
1626 qla2x00_beacon_on(struct scsi_qla_host *vha)
1627 {
1628     uint16_t gpio_enable;
1629     uint16_t gpio_data;
1630     unsigned long flags;
1631     struct qla_hw_data *ha = vha->hw;
1632     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1633 
1634     ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1635     ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1636 
1637     if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1638         ql_log(ql_log_warn, vha, 0x709b,
1639             "Unable to update fw options (beacon on).\n");
1640         return QLA_FUNCTION_FAILED;
1641     }
1642 
1643     /* Turn off LEDs. */
1644     spin_lock_irqsave(&ha->hardware_lock, flags);
1645     if (ha->pio_address) {
1646         gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1647         gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1648     } else {
1649         gpio_enable = rd_reg_word(&reg->gpioe);
1650         gpio_data = rd_reg_word(&reg->gpiod);
1651     }
1652     gpio_enable |= GPIO_LED_MASK;
1653 
1654     /* Set the modified gpio_enable values. */
1655     if (ha->pio_address) {
1656         WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1657     } else {
1658         wrt_reg_word(&reg->gpioe, gpio_enable);
1659         rd_reg_word(&reg->gpioe);
1660     }
1661 
1662     /* Clear out previously set LED colour. */
1663     gpio_data &= ~GPIO_LED_MASK;
1664     if (ha->pio_address) {
1665         WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1666     } else {
1667         wrt_reg_word(&reg->gpiod, gpio_data);
1668         rd_reg_word(&reg->gpiod);
1669     }
1670     spin_unlock_irqrestore(&ha->hardware_lock, flags);
1671 
1672     /*
1673      * Let the per HBA timer kick off the blinking process based on
1674      * the following flags. No need to do anything else now.
1675      */
1676     ha->beacon_blink_led = 1;
1677     ha->beacon_color_state = 0;
1678 
1679     return QLA_SUCCESS;
1680 }
1681 
1682 int
1683 qla2x00_beacon_off(struct scsi_qla_host *vha)
1684 {
1685     int rval = QLA_SUCCESS;
1686     struct qla_hw_data *ha = vha->hw;
1687 
1688     ha->beacon_blink_led = 0;
1689 
1690     /* Set the on flag so when it gets flipped it will be off. */
1691     if (IS_QLA2322(ha))
1692         ha->beacon_color_state = QLA_LED_ALL_ON;
1693     else
1694         ha->beacon_color_state = QLA_LED_GRN_ON;
1695 
1696     ha->isp_ops->beacon_blink(vha); /* This turns green LED off */
1697 
1698     ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1699     ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1700 
1701     rval = qla2x00_set_fw_options(vha, ha->fw_options);
1702     if (rval != QLA_SUCCESS)
1703         ql_log(ql_log_warn, vha, 0x709c,
1704             "Unable to update fw options (beacon off).\n");
1705     return rval;
1706 }
1707 
1708 
1709 static inline void
1710 qla24xx_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1711 {
1712     /* Flip all colors. */
1713     if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1714         /* Turn off. */
1715         ha->beacon_color_state = 0;
1716         *pflags = 0;
1717     } else {
1718         /* Turn on. */
1719         ha->beacon_color_state = QLA_LED_ALL_ON;
1720         *pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1721     }
1722 }
1723 
1724 void
1725 qla24xx_beacon_blink(struct scsi_qla_host *vha)
1726 {
1727     uint16_t led_color = 0;
1728     uint32_t gpio_data;
1729     unsigned long flags;
1730     struct qla_hw_data *ha = vha->hw;
1731     struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1732 
1733     /* Save the Original GPIOD. */
1734     spin_lock_irqsave(&ha->hardware_lock, flags);
1735     gpio_data = rd_reg_dword(&reg->gpiod);
1736 
1737     /* Enable the gpio_data reg for update. */
1738     gpio_data |= GPDX_LED_UPDATE_MASK;
1739 
1740     wrt_reg_dword(&reg->gpiod, gpio_data);
1741     gpio_data = rd_reg_dword(&reg->gpiod);
1742 
1743     /* Set the color bits. */
1744     qla24xx_flip_colors(ha, &led_color);
1745 
1746     /* Clear out any previously set LED color. */
1747     gpio_data &= ~GPDX_LED_COLOR_MASK;
1748 
1749     /* Set the new input LED color to GPIOD. */
1750     gpio_data |= led_color;
1751 
1752     /* Set the modified gpio_data values. */
1753     wrt_reg_dword(&reg->gpiod, gpio_data);
1754     gpio_data = rd_reg_dword(&reg->gpiod);
1755     spin_unlock_irqrestore(&ha->hardware_lock, flags);
1756 }
1757 
1758 static uint32_t
1759 qla83xx_select_led_port(struct qla_hw_data *ha)
1760 {
1761     uint32_t led_select_value = 0;
1762 
1763     if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
1764         goto out;
1765 
1766     if (ha->port_no == 0)
1767         led_select_value = QLA83XX_LED_PORT0;
1768     else
1769         led_select_value = QLA83XX_LED_PORT1;
1770 
1771 out:
1772     return led_select_value;
1773 }
1774 
1775 void
1776 qla83xx_beacon_blink(struct scsi_qla_host *vha)
1777 {
1778     uint32_t led_select_value;
1779     struct qla_hw_data *ha = vha->hw;
1780     uint16_t led_cfg[6];
1781     uint16_t orig_led_cfg[6];
1782     uint32_t led_10_value, led_43_value;
1783 
1784     if (!IS_QLA83XX(ha) && !IS_QLA81XX(ha) && !IS_QLA27XX(ha) &&
1785         !IS_QLA28XX(ha))
1786         return;
1787 
1788     if (!ha->beacon_blink_led)
1789         return;
1790 
1791     if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1792         qla2x00_write_ram_word(vha, 0x1003, 0x40000230);
1793         qla2x00_write_ram_word(vha, 0x1004, 0x40000230);
1794     } else if (IS_QLA2031(ha)) {
1795         led_select_value = qla83xx_select_led_port(ha);
1796 
1797         qla83xx_wr_reg(vha, led_select_value, 0x40000230);
1798         qla83xx_wr_reg(vha, led_select_value + 4, 0x40000230);
1799     } else if (IS_QLA8031(ha)) {
1800         led_select_value = qla83xx_select_led_port(ha);
1801 
1802         qla83xx_rd_reg(vha, led_select_value, &led_10_value);
1803         qla83xx_rd_reg(vha, led_select_value + 0x10, &led_43_value);
1804         qla83xx_wr_reg(vha, led_select_value, 0x01f44000);
1805         msleep(500);
1806         qla83xx_wr_reg(vha, led_select_value, 0x400001f4);
1807         msleep(1000);
1808         qla83xx_wr_reg(vha, led_select_value, led_10_value);
1809         qla83xx_wr_reg(vha, led_select_value + 0x10, led_43_value);
1810     } else if (IS_QLA81XX(ha)) {
1811         int rval;
1812 
1813         /* Save Current */
1814         rval = qla81xx_get_led_config(vha, orig_led_cfg);
1815         /* Do the blink */
1816         if (rval == QLA_SUCCESS) {
1817             if (IS_QLA81XX(ha)) {
1818                 led_cfg[0] = 0x4000;
1819                 led_cfg[1] = 0x2000;
1820                 led_cfg[2] = 0;
1821                 led_cfg[3] = 0;
1822                 led_cfg[4] = 0;
1823                 led_cfg[5] = 0;
1824             } else {
1825                 led_cfg[0] = 0x4000;
1826                 led_cfg[1] = 0x4000;
1827                 led_cfg[2] = 0x4000;
1828                 led_cfg[3] = 0x2000;
1829                 led_cfg[4] = 0;
1830                 led_cfg[5] = 0x2000;
1831             }
1832             rval = qla81xx_set_led_config(vha, led_cfg);
1833             msleep(1000);
1834             if (IS_QLA81XX(ha)) {
1835                 led_cfg[0] = 0x4000;
1836                 led_cfg[1] = 0x2000;
1837                 led_cfg[2] = 0;
1838             } else {
1839                 led_cfg[0] = 0x4000;
1840                 led_cfg[1] = 0x2000;
1841                 led_cfg[2] = 0x4000;
1842                 led_cfg[3] = 0x4000;
1843                 led_cfg[4] = 0;
1844                 led_cfg[5] = 0x2000;
1845             }
1846             rval = qla81xx_set_led_config(vha, led_cfg);
1847         }
1848         /* On exit, restore original (presumes no status change) */
1849         qla81xx_set_led_config(vha, orig_led_cfg);
1850     }
1851 }
1852 
1853 int
1854 qla24xx_beacon_on(struct scsi_qla_host *vha)
1855 {
1856     uint32_t gpio_data;
1857     unsigned long flags;
1858     struct qla_hw_data *ha = vha->hw;
1859     struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1860 
1861     if (IS_P3P_TYPE(ha))
1862         return QLA_SUCCESS;
1863 
1864     if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1865         goto skip_gpio; /* let blink handle it */
1866 
1867     if (ha->beacon_blink_led == 0) {
1868         /* Enable firmware for update */
1869         ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1870 
1871         if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS)
1872             return QLA_FUNCTION_FAILED;
1873 
1874         if (qla2x00_get_fw_options(vha, ha->fw_options) !=
1875             QLA_SUCCESS) {
1876             ql_log(ql_log_warn, vha, 0x7009,
1877                 "Unable to update fw options (beacon on).\n");
1878             return QLA_FUNCTION_FAILED;
1879         }
1880 
1881         if (IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
1882             goto skip_gpio;
1883 
1884         spin_lock_irqsave(&ha->hardware_lock, flags);
1885         gpio_data = rd_reg_dword(&reg->gpiod);
1886 
1887         /* Enable the gpio_data reg for update. */
1888         gpio_data |= GPDX_LED_UPDATE_MASK;
1889         wrt_reg_dword(&reg->gpiod, gpio_data);
1890         rd_reg_dword(&reg->gpiod);
1891 
1892         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1893     }
1894 
1895     /* So all colors blink together. */
1896     ha->beacon_color_state = 0;
1897 
1898 skip_gpio:
1899     /* Let the per HBA timer kick off the blinking process. */
1900     ha->beacon_blink_led = 1;
1901 
1902     return QLA_SUCCESS;
1903 }
1904 
1905 int
1906 qla24xx_beacon_off(struct scsi_qla_host *vha)
1907 {
1908     uint32_t gpio_data;
1909     unsigned long flags;
1910     struct qla_hw_data *ha = vha->hw;
1911     struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1912 
1913     if (IS_P3P_TYPE(ha))
1914         return QLA_SUCCESS;
1915 
1916     if (!ha->flags.fw_started)
1917         return QLA_SUCCESS;
1918 
1919     ha->beacon_blink_led = 0;
1920 
1921     if (IS_QLA2031(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
1922         goto set_fw_options;
1923 
1924     if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1925         return QLA_SUCCESS;
1926 
1927     ha->beacon_color_state = QLA_LED_ALL_ON;
1928 
1929     ha->isp_ops->beacon_blink(vha); /* Will flip to all off. */
1930 
1931     /* Give control back to firmware. */
1932     spin_lock_irqsave(&ha->hardware_lock, flags);
1933     gpio_data = rd_reg_dword(&reg->gpiod);
1934 
1935     /* Disable the gpio_data reg for update. */
1936     gpio_data &= ~GPDX_LED_UPDATE_MASK;
1937     wrt_reg_dword(&reg->gpiod, gpio_data);
1938     rd_reg_dword(&reg->gpiod);
1939     spin_unlock_irqrestore(&ha->hardware_lock, flags);
1940 
1941 set_fw_options:
1942     ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1943 
1944     if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1945         ql_log(ql_log_warn, vha, 0x704d,
1946             "Unable to update fw options (beacon on).\n");
1947         return QLA_FUNCTION_FAILED;
1948     }
1949 
1950     if (qla2x00_get_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1951         ql_log(ql_log_warn, vha, 0x704e,
1952             "Unable to update fw options (beacon on).\n");
1953         return QLA_FUNCTION_FAILED;
1954     }
1955 
1956     return QLA_SUCCESS;
1957 }
1958 
1959 
1960 /*
1961  * Flash support routines
1962  */
1963 
1964 /**
1965  * qla2x00_flash_enable() - Setup flash for reading and writing.
1966  * @ha: HA context
1967  */
1968 static void
1969 qla2x00_flash_enable(struct qla_hw_data *ha)
1970 {
1971     uint16_t data;
1972     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1973 
1974     data = rd_reg_word(&reg->ctrl_status);
1975     data |= CSR_FLASH_ENABLE;
1976     wrt_reg_word(&reg->ctrl_status, data);
1977     rd_reg_word(&reg->ctrl_status);     /* PCI Posting. */
1978 }
1979 
1980 /**
1981  * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1982  * @ha: HA context
1983  */
1984 static void
1985 qla2x00_flash_disable(struct qla_hw_data *ha)
1986 {
1987     uint16_t data;
1988     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1989 
1990     data = rd_reg_word(&reg->ctrl_status);
1991     data &= ~(CSR_FLASH_ENABLE);
1992     wrt_reg_word(&reg->ctrl_status, data);
1993     rd_reg_word(&reg->ctrl_status);     /* PCI Posting. */
1994 }
1995 
1996 /**
1997  * qla2x00_read_flash_byte() - Reads a byte from flash
1998  * @ha: HA context
1999  * @addr: Address in flash to read
2000  *
2001  * A word is read from the chip, but, only the lower byte is valid.
2002  *
2003  * Returns the byte read from flash @addr.
2004  */
2005 static uint8_t
2006 qla2x00_read_flash_byte(struct qla_hw_data *ha, uint32_t addr)
2007 {
2008     uint16_t data;
2009     uint16_t bank_select;
2010     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2011 
2012     bank_select = rd_reg_word(&reg->ctrl_status);
2013 
2014     if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2015         /* Specify 64K address range: */
2016         /*  clear out Module Select and Flash Address bits [19:16]. */
2017         bank_select &= ~0xf8;
2018         bank_select |= addr >> 12 & 0xf0;
2019         bank_select |= CSR_FLASH_64K_BANK;
2020         wrt_reg_word(&reg->ctrl_status, bank_select);
2021         rd_reg_word(&reg->ctrl_status); /* PCI Posting. */
2022 
2023         wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2024         data = rd_reg_word(&reg->flash_data);
2025 
2026         return (uint8_t)data;
2027     }
2028 
2029     /* Setup bit 16 of flash address. */
2030     if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2031         bank_select |= CSR_FLASH_64K_BANK;
2032         wrt_reg_word(&reg->ctrl_status, bank_select);
2033         rd_reg_word(&reg->ctrl_status); /* PCI Posting. */
2034     } else if (((addr & BIT_16) == 0) &&
2035         (bank_select & CSR_FLASH_64K_BANK)) {
2036         bank_select &= ~(CSR_FLASH_64K_BANK);
2037         wrt_reg_word(&reg->ctrl_status, bank_select);
2038         rd_reg_word(&reg->ctrl_status); /* PCI Posting. */
2039     }
2040 
2041     /* Always perform IO mapped accesses to the FLASH registers. */
2042     if (ha->pio_address) {
2043         uint16_t data2;
2044 
2045         WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2046         do {
2047             data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2048             barrier();
2049             cpu_relax();
2050             data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
2051         } while (data != data2);
2052     } else {
2053         wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2054         data = qla2x00_debounce_register(&reg->flash_data);
2055     }
2056 
2057     return (uint8_t)data;
2058 }
2059 
2060 /**
2061  * qla2x00_write_flash_byte() - Write a byte to flash
2062  * @ha: HA context
2063  * @addr: Address in flash to write
2064  * @data: Data to write
2065  */
2066 static void
2067 qla2x00_write_flash_byte(struct qla_hw_data *ha, uint32_t addr, uint8_t data)
2068 {
2069     uint16_t bank_select;
2070     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2071 
2072     bank_select = rd_reg_word(&reg->ctrl_status);
2073     if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2074         /* Specify 64K address range: */
2075         /*  clear out Module Select and Flash Address bits [19:16]. */
2076         bank_select &= ~0xf8;
2077         bank_select |= addr >> 12 & 0xf0;
2078         bank_select |= CSR_FLASH_64K_BANK;
2079         wrt_reg_word(&reg->ctrl_status, bank_select);
2080         rd_reg_word(&reg->ctrl_status); /* PCI Posting. */
2081 
2082         wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2083         rd_reg_word(&reg->ctrl_status);     /* PCI Posting. */
2084         wrt_reg_word(&reg->flash_data, (uint16_t)data);
2085         rd_reg_word(&reg->ctrl_status);     /* PCI Posting. */
2086 
2087         return;
2088     }
2089 
2090     /* Setup bit 16 of flash address. */
2091     if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2092         bank_select |= CSR_FLASH_64K_BANK;
2093         wrt_reg_word(&reg->ctrl_status, bank_select);
2094         rd_reg_word(&reg->ctrl_status); /* PCI Posting. */
2095     } else if (((addr & BIT_16) == 0) &&
2096         (bank_select & CSR_FLASH_64K_BANK)) {
2097         bank_select &= ~(CSR_FLASH_64K_BANK);
2098         wrt_reg_word(&reg->ctrl_status, bank_select);
2099         rd_reg_word(&reg->ctrl_status); /* PCI Posting. */
2100     }
2101 
2102     /* Always perform IO mapped accesses to the FLASH registers. */
2103     if (ha->pio_address) {
2104         WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2105         WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
2106     } else {
2107         wrt_reg_word(&reg->flash_address, (uint16_t)addr);
2108         rd_reg_word(&reg->ctrl_status);     /* PCI Posting. */
2109         wrt_reg_word(&reg->flash_data, (uint16_t)data);
2110         rd_reg_word(&reg->ctrl_status);     /* PCI Posting. */
2111     }
2112 }
2113 
2114 /**
2115  * qla2x00_poll_flash() - Polls flash for completion.
2116  * @ha: HA context
2117  * @addr: Address in flash to poll
2118  * @poll_data: Data to be polled
2119  * @man_id: Flash manufacturer ID
2120  * @flash_id: Flash ID
2121  *
2122  * This function polls the device until bit 7 of what is read matches data
2123  * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
2124  * out (a fatal error).  The flash book recommeds reading bit 7 again after
2125  * reading bit 5 as a 1.
2126  *
2127  * Returns 0 on success, else non-zero.
2128  */
2129 static int
2130 qla2x00_poll_flash(struct qla_hw_data *ha, uint32_t addr, uint8_t poll_data,
2131     uint8_t man_id, uint8_t flash_id)
2132 {
2133     int status;
2134     uint8_t flash_data;
2135     uint32_t cnt;
2136 
2137     status = 1;
2138 
2139     /* Wait for 30 seconds for command to finish. */
2140     poll_data &= BIT_7;
2141     for (cnt = 3000000; cnt; cnt--) {
2142         flash_data = qla2x00_read_flash_byte(ha, addr);
2143         if ((flash_data & BIT_7) == poll_data) {
2144             status = 0;
2145             break;
2146         }
2147 
2148         if (man_id != 0x40 && man_id != 0xda) {
2149             if ((flash_data & BIT_5) && cnt > 2)
2150                 cnt = 2;
2151         }
2152         udelay(10);
2153         barrier();
2154         cond_resched();
2155     }
2156     return status;
2157 }
2158 
2159 /**
2160  * qla2x00_program_flash_address() - Programs a flash address
2161  * @ha: HA context
2162  * @addr: Address in flash to program
2163  * @data: Data to be written in flash
2164  * @man_id: Flash manufacturer ID
2165  * @flash_id: Flash ID
2166  *
2167  * Returns 0 on success, else non-zero.
2168  */
2169 static int
2170 qla2x00_program_flash_address(struct qla_hw_data *ha, uint32_t addr,
2171     uint8_t data, uint8_t man_id, uint8_t flash_id)
2172 {
2173     /* Write Program Command Sequence. */
2174     if (IS_OEM_001(ha)) {
2175         qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2176         qla2x00_write_flash_byte(ha, 0x555, 0x55);
2177         qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
2178         qla2x00_write_flash_byte(ha, addr, data);
2179     } else {
2180         if (man_id == 0xda && flash_id == 0xc1) {
2181             qla2x00_write_flash_byte(ha, addr, data);
2182             if (addr & 0x7e)
2183                 return 0;
2184         } else {
2185             qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2186             qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2187             qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
2188             qla2x00_write_flash_byte(ha, addr, data);
2189         }
2190     }
2191 
2192     udelay(150);
2193 
2194     /* Wait for write to complete. */
2195     return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
2196 }
2197 
2198 /**
2199  * qla2x00_erase_flash() - Erase the flash.
2200  * @ha: HA context
2201  * @man_id: Flash manufacturer ID
2202  * @flash_id: Flash ID
2203  *
2204  * Returns 0 on success, else non-zero.
2205  */
2206 static int
2207 qla2x00_erase_flash(struct qla_hw_data *ha, uint8_t man_id, uint8_t flash_id)
2208 {
2209     /* Individual Sector Erase Command Sequence */
2210     if (IS_OEM_001(ha)) {
2211         qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2212         qla2x00_write_flash_byte(ha, 0x555, 0x55);
2213         qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
2214         qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2215         qla2x00_write_flash_byte(ha, 0x555, 0x55);
2216         qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
2217     } else {
2218         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2219         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2220         qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2221         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2222         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2223         qla2x00_write_flash_byte(ha, 0x5555, 0x10);
2224     }
2225 
2226     udelay(150);
2227 
2228     /* Wait for erase to complete. */
2229     return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
2230 }
2231 
2232 /**
2233  * qla2x00_erase_flash_sector() - Erase a flash sector.
2234  * @ha: HA context
2235  * @addr: Flash sector to erase
2236  * @sec_mask: Sector address mask
2237  * @man_id: Flash manufacturer ID
2238  * @flash_id: Flash ID
2239  *
2240  * Returns 0 on success, else non-zero.
2241  */
2242 static int
2243 qla2x00_erase_flash_sector(struct qla_hw_data *ha, uint32_t addr,
2244     uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
2245 {
2246     /* Individual Sector Erase Command Sequence */
2247     qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2248     qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2249     qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2250     qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2251     qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2252     if (man_id == 0x1f && flash_id == 0x13)
2253         qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
2254     else
2255         qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
2256 
2257     udelay(150);
2258 
2259     /* Wait for erase to complete. */
2260     return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
2261 }
2262 
2263 /**
2264  * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
2265  * @ha: host adapter
2266  * @man_id: Flash manufacturer ID
2267  * @flash_id: Flash ID
2268  */
2269 static void
2270 qla2x00_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
2271     uint8_t *flash_id)
2272 {
2273     qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2274     qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2275     qla2x00_write_flash_byte(ha, 0x5555, 0x90);
2276     *man_id = qla2x00_read_flash_byte(ha, 0x0000);
2277     *flash_id = qla2x00_read_flash_byte(ha, 0x0001);
2278     qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2279     qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2280     qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
2281 }
2282 
2283 static void
2284 qla2x00_read_flash_data(struct qla_hw_data *ha, uint8_t *tmp_buf,
2285     uint32_t saddr, uint32_t length)
2286 {
2287     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2288     uint32_t midpoint, ilength;
2289     uint8_t data;
2290 
2291     midpoint = length / 2;
2292 
2293     wrt_reg_word(&reg->nvram, 0);
2294     rd_reg_word(&reg->nvram);
2295     for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
2296         if (ilength == midpoint) {
2297             wrt_reg_word(&reg->nvram, NVR_SELECT);
2298             rd_reg_word(&reg->nvram);
2299         }
2300         data = qla2x00_read_flash_byte(ha, saddr);
2301         if (saddr % 100)
2302             udelay(10);
2303         *tmp_buf = data;
2304         cond_resched();
2305     }
2306 }
2307 
2308 static inline void
2309 qla2x00_suspend_hba(struct scsi_qla_host *vha)
2310 {
2311     int cnt;
2312     unsigned long flags;
2313     struct qla_hw_data *ha = vha->hw;
2314     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2315 
2316     /* Suspend HBA. */
2317     scsi_block_requests(vha->host);
2318     ha->isp_ops->disable_intrs(ha);
2319     set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2320 
2321     /* Pause RISC. */
2322     spin_lock_irqsave(&ha->hardware_lock, flags);
2323     wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2324     rd_reg_word(&reg->hccr);
2325     if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2326         for (cnt = 0; cnt < 30000; cnt++) {
2327             if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2328                 break;
2329             udelay(100);
2330         }
2331     } else {
2332         udelay(10);
2333     }
2334     spin_unlock_irqrestore(&ha->hardware_lock, flags);
2335 }
2336 
2337 static inline void
2338 qla2x00_resume_hba(struct scsi_qla_host *vha)
2339 {
2340     struct qla_hw_data *ha = vha->hw;
2341 
2342     /* Resume HBA. */
2343     clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2344     set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2345     qla2xxx_wake_dpc(vha);
2346     qla2x00_wait_for_chip_reset(vha);
2347     scsi_unblock_requests(vha->host);
2348 }
2349 
2350 void *
2351 qla2x00_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2352     uint32_t offset, uint32_t length)
2353 {
2354     uint32_t addr, midpoint;
2355     uint8_t *data;
2356     struct qla_hw_data *ha = vha->hw;
2357     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2358 
2359     /* Suspend HBA. */
2360     qla2x00_suspend_hba(vha);
2361 
2362     /* Go with read. */
2363     midpoint = ha->optrom_size / 2;
2364 
2365     qla2x00_flash_enable(ha);
2366     wrt_reg_word(&reg->nvram, 0);
2367     rd_reg_word(&reg->nvram);       /* PCI Posting. */
2368     for (addr = offset, data = buf; addr < length; addr++, data++) {
2369         if (addr == midpoint) {
2370             wrt_reg_word(&reg->nvram, NVR_SELECT);
2371             rd_reg_word(&reg->nvram);   /* PCI Posting. */
2372         }
2373 
2374         *data = qla2x00_read_flash_byte(ha, addr);
2375     }
2376     qla2x00_flash_disable(ha);
2377 
2378     /* Resume HBA. */
2379     qla2x00_resume_hba(vha);
2380 
2381     return buf;
2382 }
2383 
2384 int
2385 qla2x00_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2386     uint32_t offset, uint32_t length)
2387 {
2388 
2389     int rval;
2390     uint8_t man_id, flash_id, sec_number, *data;
2391     uint16_t wd;
2392     uint32_t addr, liter, sec_mask, rest_addr;
2393     struct qla_hw_data *ha = vha->hw;
2394     struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2395 
2396     /* Suspend HBA. */
2397     qla2x00_suspend_hba(vha);
2398 
2399     rval = QLA_SUCCESS;
2400     sec_number = 0;
2401 
2402     /* Reset ISP chip. */
2403     wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2404     pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2405 
2406     /* Go with write. */
2407     qla2x00_flash_enable(ha);
2408     do {    /* Loop once to provide quick error exit */
2409         /* Structure of flash memory based on manufacturer */
2410         if (IS_OEM_001(ha)) {
2411             /* OEM variant with special flash part. */
2412             man_id = flash_id = 0;
2413             rest_addr = 0xffff;
2414             sec_mask   = 0x10000;
2415             goto update_flash;
2416         }
2417         qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
2418         switch (man_id) {
2419         case 0x20: /* ST flash. */
2420             if (flash_id == 0xd2 || flash_id == 0xe3) {
2421                 /*
2422                  * ST m29w008at part - 64kb sector size with
2423                  * 32kb,8kb,8kb,16kb sectors at memory address
2424                  * 0xf0000.
2425                  */
2426                 rest_addr = 0xffff;
2427                 sec_mask = 0x10000;
2428                 break;
2429             }
2430             /*
2431              * ST m29w010b part - 16kb sector size
2432              * Default to 16kb sectors
2433              */
2434             rest_addr = 0x3fff;
2435             sec_mask = 0x1c000;
2436             break;
2437         case 0x40: /* Mostel flash. */
2438             /* Mostel v29c51001 part - 512 byte sector size. */
2439             rest_addr = 0x1ff;
2440             sec_mask = 0x1fe00;
2441             break;
2442         case 0xbf: /* SST flash. */
2443             /* SST39sf10 part - 4kb sector size. */
2444             rest_addr = 0xfff;
2445             sec_mask = 0x1f000;
2446             break;
2447         case 0xda: /* Winbond flash. */
2448             /* Winbond W29EE011 part - 256 byte sector size. */
2449             rest_addr = 0x7f;
2450             sec_mask = 0x1ff80;
2451             break;
2452         case 0xc2: /* Macronix flash. */
2453             /* 64k sector size. */
2454             if (flash_id == 0x38 || flash_id == 0x4f) {
2455                 rest_addr = 0xffff;
2456                 sec_mask = 0x10000;
2457                 break;
2458             }
2459             fallthrough;
2460 
2461         case 0x1f: /* Atmel flash. */
2462             /* 512k sector size. */
2463             if (flash_id == 0x13) {
2464                 rest_addr = 0x7fffffff;
2465                 sec_mask =   0x80000000;
2466                 break;
2467             }
2468             fallthrough;
2469 
2470         case 0x01: /* AMD flash. */
2471             if (flash_id == 0x38 || flash_id == 0x40 ||
2472                 flash_id == 0x4f) {
2473                 /* Am29LV081 part - 64kb sector size. */
2474                 /* Am29LV002BT part - 64kb sector size. */
2475                 rest_addr = 0xffff;
2476                 sec_mask = 0x10000;
2477                 break;
2478             } else if (flash_id == 0x3e) {
2479                 /*
2480                  * Am29LV008b part - 64kb sector size with
2481                  * 32kb,8kb,8kb,16kb sector at memory address
2482                  * h0xf0000.
2483                  */
2484                 rest_addr = 0xffff;
2485                 sec_mask = 0x10000;
2486                 break;
2487             } else if (flash_id == 0x20 || flash_id == 0x6e) {
2488                 /*
2489                  * Am29LV010 part or AM29f010 - 16kb sector
2490                  * size.
2491                  */
2492                 rest_addr = 0x3fff;
2493                 sec_mask = 0x1c000;
2494                 break;
2495             } else if (flash_id == 0x6d) {
2496                 /* Am29LV001 part - 8kb sector size. */
2497                 rest_addr = 0x1fff;
2498                 sec_mask = 0x1e000;
2499                 break;
2500             }
2501             fallthrough;
2502         default:
2503             /* Default to 16 kb sector size. */
2504             rest_addr = 0x3fff;
2505             sec_mask = 0x1c000;
2506             break;
2507         }
2508 
2509 update_flash:
2510         if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2511             if (qla2x00_erase_flash(ha, man_id, flash_id)) {
2512                 rval = QLA_FUNCTION_FAILED;
2513                 break;
2514             }
2515         }
2516 
2517         for (addr = offset, liter = 0; liter < length; liter++,
2518             addr++) {
2519             data = buf + liter;
2520             /* Are we at the beginning of a sector? */
2521             if ((addr & rest_addr) == 0) {
2522                 if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2523                     if (addr >= 0x10000UL) {
2524                         if (((addr >> 12) & 0xf0) &&
2525                             ((man_id == 0x01 &&
2526                             flash_id == 0x3e) ||
2527                              (man_id == 0x20 &&
2528                              flash_id == 0xd2))) {
2529                             sec_number++;
2530                             if (sec_number == 1) {
2531                                 rest_addr =
2532                                     0x7fff;
2533                                 sec_mask =
2534                                     0x18000;
2535                             } else if (
2536                                 sec_number == 2 ||
2537                                 sec_number == 3) {
2538                                 rest_addr =
2539                                     0x1fff;
2540                                 sec_mask =
2541                                     0x1e000;
2542                             } else if (
2543                                 sec_number == 4) {
2544                                 rest_addr =
2545                                     0x3fff;
2546                                 sec_mask =
2547                                     0x1c000;
2548                             }
2549                         }
2550                     }
2551                 } else if (addr == ha->optrom_size / 2) {
2552                     wrt_reg_word(&reg->nvram, NVR_SELECT);
2553                     rd_reg_word(&reg->nvram);
2554                 }
2555 
2556                 if (flash_id == 0xda && man_id == 0xc1) {
2557                     qla2x00_write_flash_byte(ha, 0x5555,
2558                         0xaa);
2559                     qla2x00_write_flash_byte(ha, 0x2aaa,
2560                         0x55);
2561                     qla2x00_write_flash_byte(ha, 0x5555,
2562                         0xa0);
2563                 } else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
2564                     /* Then erase it */
2565                     if (qla2x00_erase_flash_sector(ha,
2566                         addr, sec_mask, man_id,
2567                         flash_id)) {
2568                         rval = QLA_FUNCTION_FAILED;
2569                         break;
2570                     }
2571                     if (man_id == 0x01 && flash_id == 0x6d)
2572                         sec_number++;
2573                 }
2574             }
2575 
2576             if (man_id == 0x01 && flash_id == 0x6d) {
2577                 if (sec_number == 1 &&
2578                     addr == (rest_addr - 1)) {
2579                     rest_addr = 0x0fff;
2580                     sec_mask   = 0x1f000;
2581                 } else if (sec_number == 3 && (addr & 0x7ffe)) {
2582                     rest_addr = 0x3fff;
2583                     sec_mask   = 0x1c000;
2584                 }
2585             }
2586 
2587             if (qla2x00_program_flash_address(ha, addr, *data,
2588                 man_id, flash_id)) {
2589                 rval = QLA_FUNCTION_FAILED;
2590                 break;
2591             }
2592             cond_resched();
2593         }
2594     } while (0);
2595     qla2x00_flash_disable(ha);
2596 
2597     /* Resume HBA. */
2598     qla2x00_resume_hba(vha);
2599 
2600     return rval;
2601 }
2602 
2603 void *
2604 qla24xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
2605     uint32_t offset, uint32_t length)
2606 {
2607     struct qla_hw_data *ha = vha->hw;
2608 
2609     /* Suspend HBA. */
2610     scsi_block_requests(vha->host);
2611     set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2612 
2613     /* Go with read. */
2614     qla24xx_read_flash_data(vha, buf, offset >> 2, length >> 2);
2615 
2616     /* Resume HBA. */
2617     clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2618     scsi_unblock_requests(vha->host);
2619 
2620     return buf;
2621 }
2622 
2623 static int
2624 qla28xx_extract_sfub_and_verify(struct scsi_qla_host *vha, __le32 *buf,
2625     uint32_t len, uint32_t buf_size_without_sfub, uint8_t *sfub_buf)
2626 {
2627     uint32_t check_sum = 0;
2628     __le32 *p;
2629     int i;
2630 
2631     p = buf + buf_size_without_sfub;
2632 
2633     /* Extract SFUB from end of file */
2634     memcpy(sfub_buf, (uint8_t *)p,
2635         sizeof(struct secure_flash_update_block));
2636 
2637     for (i = 0; i < (sizeof(struct secure_flash_update_block) >> 2); i++)
2638         check_sum += le32_to_cpu(p[i]);
2639 
2640     check_sum = (~check_sum) + 1;
2641 
2642     if (check_sum != le32_to_cpu(p[i])) {
2643         ql_log(ql_log_warn, vha, 0x7097,
2644             "SFUB checksum failed, 0x%x, 0x%x\n",
2645             check_sum, le32_to_cpu(p[i]));
2646         return QLA_COMMAND_ERROR;
2647     }
2648 
2649     return QLA_SUCCESS;
2650 }
2651 
2652 static int
2653 qla28xx_get_flash_region(struct scsi_qla_host *vha, uint32_t start,
2654     struct qla_flt_region *region)
2655 {
2656     struct qla_hw_data *ha = vha->hw;
2657     struct qla_flt_header *flt = ha->flt;
2658     struct qla_flt_region *flt_reg = &flt->region[0];
2659     uint16_t cnt;
2660     int rval = QLA_FUNCTION_FAILED;
2661 
2662     if (!ha->flt)
2663         return QLA_FUNCTION_FAILED;
2664 
2665     cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
2666     for (; cnt; cnt--, flt_reg++) {
2667         if (le32_to_cpu(flt_reg->start) == start) {
2668             memcpy((uint8_t *)region, flt_reg,
2669                 sizeof(struct qla_flt_region));
2670             rval = QLA_SUCCESS;
2671             break;
2672         }
2673     }
2674 
2675     return rval;
2676 }
2677 
2678 static int
2679 qla28xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
2680     uint32_t dwords)
2681 {
2682     struct qla_hw_data *ha = vha->hw;
2683     ulong liter;
2684     ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
2685     uint32_t sec_mask, rest_addr, fdata;
2686     void *optrom = NULL;
2687     dma_addr_t optrom_dma;
2688     int rval, ret;
2689     struct secure_flash_update_block *sfub;
2690     dma_addr_t sfub_dma;
2691     uint32_t offset = faddr << 2;
2692     uint32_t buf_size_without_sfub = 0;
2693     struct qla_flt_region region;
2694     bool reset_to_rom = false;
2695     uint32_t risc_size, risc_attr = 0;
2696     __be32 *fw_array = NULL;
2697 
2698     /* Retrieve region info - must be a start address passed in */
2699     rval = qla28xx_get_flash_region(vha, offset, &region);
2700 
2701     if (rval != QLA_SUCCESS) {
2702         ql_log(ql_log_warn, vha, 0xffff,
2703             "Invalid address %x - not a region start address\n",
2704             offset);
2705         goto done;
2706     }
2707 
2708     /* Allocate dma buffer for burst write */
2709     optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2710         &optrom_dma, GFP_KERNEL);
2711     if (!optrom) {
2712         ql_log(ql_log_warn, vha, 0x7095,
2713             "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
2714         rval = QLA_COMMAND_ERROR;
2715         goto done;
2716     }
2717 
2718     /*
2719      * If adapter supports secure flash and region is secure
2720      * extract secure flash update block (SFUB) and verify
2721      */
2722     if (ha->flags.secure_adapter && region.attribute) {
2723 
2724         ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2725             "Region %x is secure\n", le16_to_cpu(region.code));
2726 
2727         switch (le16_to_cpu(region.code)) {
2728         case FLT_REG_FW:
2729         case FLT_REG_FW_SEC_27XX:
2730         case FLT_REG_MPI_PRI_28XX:
2731         case FLT_REG_MPI_SEC_28XX:
2732             fw_array = (__force __be32 *)dwptr;
2733 
2734             /* 1st fw array */
2735             risc_size = be32_to_cpu(fw_array[3]);
2736             risc_attr = be32_to_cpu(fw_array[9]);
2737 
2738             buf_size_without_sfub = risc_size;
2739             fw_array += risc_size;
2740 
2741             /* 2nd fw array */
2742             risc_size = be32_to_cpu(fw_array[3]);
2743 
2744             buf_size_without_sfub += risc_size;
2745             fw_array += risc_size;
2746 
2747             /* 1st dump template */
2748             risc_size = be32_to_cpu(fw_array[2]);
2749 
2750             /* skip header and ignore checksum */
2751             buf_size_without_sfub += risc_size;
2752             fw_array += risc_size;
2753 
2754             if (risc_attr & BIT_9) {
2755                 /* 2nd dump template */
2756                 risc_size = be32_to_cpu(fw_array[2]);
2757 
2758                 /* skip header and ignore checksum */
2759                 buf_size_without_sfub += risc_size;
2760                 fw_array += risc_size;
2761             }
2762             break;
2763 
2764         case FLT_REG_PEP_PRI_28XX:
2765         case FLT_REG_PEP_SEC_28XX:
2766             fw_array = (__force __be32 *)dwptr;
2767 
2768             /* 1st fw array */
2769             risc_size = be32_to_cpu(fw_array[3]);
2770             risc_attr = be32_to_cpu(fw_array[9]);
2771 
2772             buf_size_without_sfub = risc_size;
2773             fw_array += risc_size;
2774             break;
2775 
2776         default:
2777             ql_log(ql_log_warn + ql_dbg_verbose, vha,
2778                 0xffff, "Secure region %x not supported\n",
2779                 le16_to_cpu(region.code));
2780             rval = QLA_COMMAND_ERROR;
2781             goto done;
2782         }
2783 
2784         sfub = dma_alloc_coherent(&ha->pdev->dev,
2785             sizeof(struct secure_flash_update_block), &sfub_dma,
2786             GFP_KERNEL);
2787         if (!sfub) {
2788             ql_log(ql_log_warn, vha, 0xffff,
2789                 "Unable to allocate memory for SFUB\n");
2790             rval = QLA_COMMAND_ERROR;
2791             goto done;
2792         }
2793 
2794         rval = qla28xx_extract_sfub_and_verify(vha, (__le32 *)dwptr,
2795             dwords, buf_size_without_sfub, (uint8_t *)sfub);
2796 
2797         if (rval != QLA_SUCCESS)
2798             goto done;
2799 
2800         ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2801             "SFUB extract and verify successful\n");
2802     }
2803 
2804     rest_addr = (ha->fdt_block_size >> 2) - 1;
2805     sec_mask = ~rest_addr;
2806 
2807     /* Lock semaphore */
2808     rval = qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_LOCK);
2809     if (rval != QLA_SUCCESS) {
2810         ql_log(ql_log_warn, vha, 0xffff,
2811             "Unable to lock flash semaphore.");
2812         goto done;
2813     }
2814 
2815     ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2816         "Unprotect flash...\n");
2817     rval = qla24xx_unprotect_flash(vha);
2818     if (rval) {
2819         qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_UNLOCK);
2820         ql_log(ql_log_warn, vha, 0x7096, "Failed unprotect flash\n");
2821         goto done;
2822     }
2823 
2824     for (liter = 0; liter < dwords; liter++, faddr++) {
2825         fdata = (faddr & sec_mask) << 2;
2826 
2827         /* If start of sector */
2828         if (!(faddr & rest_addr)) {
2829             ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2830                 "Erase sector %#x...\n", faddr);
2831             rval = qla24xx_erase_sector(vha, fdata);
2832             if (rval) {
2833                 ql_dbg(ql_dbg_user, vha, 0x7007,
2834                     "Failed erase sector %#x\n", faddr);
2835                 goto write_protect;
2836             }
2837         }
2838     }
2839 
2840     if (ha->flags.secure_adapter) {
2841         /*
2842          * If adapter supports secure flash but FW doesn't,
2843          * disable write protect, release semaphore and reset
2844          * chip to execute ROM code in order to update region securely
2845          */
2846         if (!ha->flags.secure_fw) {
2847             ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2848                 "Disable Write and Release Semaphore.");
2849             rval = qla24xx_protect_flash(vha);
2850             if (rval != QLA_SUCCESS) {
2851                 qla81xx_fac_semaphore_access(vha,
2852                     FAC_SEMAPHORE_UNLOCK);
2853                 ql_log(ql_log_warn, vha, 0xffff,
2854                     "Unable to protect flash.");
2855                 goto done;
2856             }
2857 
2858             ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2859                 "Reset chip to ROM.");
2860             set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2861             set_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags);
2862             qla2xxx_wake_dpc(vha);
2863             rval = qla2x00_wait_for_chip_reset(vha);
2864             if (rval != QLA_SUCCESS) {
2865                 ql_log(ql_log_warn, vha, 0xffff,
2866                     "Unable to reset to ROM code.");
2867                 goto done;
2868             }
2869             reset_to_rom = true;
2870             ha->flags.fac_supported = 0;
2871 
2872             ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2873                 "Lock Semaphore");
2874             rval = qla2xxx_write_remote_register(vha,
2875                 FLASH_SEMAPHORE_REGISTER_ADDR, 0x00020002);
2876             if (rval != QLA_SUCCESS) {
2877                 ql_log(ql_log_warn, vha, 0xffff,
2878                     "Unable to lock flash semaphore.");
2879                 goto done;
2880             }
2881 
2882             /* Unprotect flash */
2883             ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2884                 "Enable Write.");
2885             rval = qla2x00_write_ram_word(vha, 0x7ffd0101, 0);
2886             if (rval) {
2887                 ql_log(ql_log_warn, vha, 0x7096,
2888                     "Failed unprotect flash\n");
2889                 goto done;
2890             }
2891         }
2892 
2893         /* If region is secure, send Secure Flash MB Cmd */
2894         if (region.attribute && buf_size_without_sfub) {
2895             ql_log(ql_log_warn + ql_dbg_verbose, vha, 0xffff,
2896                 "Sending Secure Flash MB Cmd\n");
2897             rval = qla28xx_secure_flash_update(vha, 0,
2898                 le16_to_cpu(region.code),
2899                 buf_size_without_sfub, sfub_dma,
2900                 sizeof(struct secure_flash_update_block) >> 2);
2901             if (rval != QLA_SUCCESS) {
2902                 ql_log(ql_log_warn, vha, 0xffff,
2903                     "Secure Flash MB Cmd failed %x.", rval);
2904                 goto write_protect;
2905             }
2906         }
2907 
2908     }
2909 
2910     /* re-init flash offset */
2911     faddr = offset >> 2;
2912 
2913     for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
2914         fdata = (faddr & sec_mask) << 2;
2915 
2916         /* If smaller than a burst remaining */
2917         if (dwords - liter < dburst)
2918             dburst = dwords - liter;
2919 
2920         /* Copy to dma buffer */
2921         memcpy(optrom, dwptr, dburst << 2);
2922 
2923         /* Burst write */
2924         ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2925             "Write burst (%#lx dwords)...\n", dburst);
2926         rval = qla2x00_load_ram(vha, optrom_dma,
2927             flash_data_addr(ha, faddr), dburst);
2928         if (rval != QLA_SUCCESS) {
2929             ql_log(ql_log_warn, vha, 0x7097,
2930                 "Failed burst write at %x (%p/%#llx)...\n",
2931                 flash_data_addr(ha, faddr), optrom,
2932                 (u64)optrom_dma);
2933             break;
2934         }
2935 
2936         liter += dburst - 1;
2937         faddr += dburst - 1;
2938         dwptr += dburst - 1;
2939     }
2940 
2941 write_protect:
2942     ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
2943         "Protect flash...\n");
2944     ret = qla24xx_protect_flash(vha);
2945     if (ret) {
2946         qla81xx_fac_semaphore_access(vha, FAC_SEMAPHORE_UNLOCK);
2947         ql_log(ql_log_warn, vha, 0x7099,
2948             "Failed protect flash\n");
2949         rval = QLA_COMMAND_ERROR;
2950     }
2951 
2952     if (reset_to_rom == true) {
2953         /* Schedule DPC to restart the RISC */
2954         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2955         qla2xxx_wake_dpc(vha);
2956 
2957         ret = qla2x00_wait_for_hba_online(vha);
2958         if (ret != QLA_SUCCESS) {
2959             ql_log(ql_log_warn, vha, 0xffff,
2960                 "Adapter did not come out of reset\n");
2961             rval = QLA_COMMAND_ERROR;
2962         }
2963     }
2964 
2965 done:
2966     if (optrom)
2967         dma_free_coherent(&ha->pdev->dev,
2968             OPTROM_BURST_SIZE, optrom, optrom_dma);
2969 
2970     return rval;
2971 }
2972 
2973 int
2974 qla24xx_write_optrom_data(struct scsi_qla_host *vha, void *buf,
2975     uint32_t offset, uint32_t length)
2976 {
2977     int rval;
2978     struct qla_hw_data *ha = vha->hw;
2979 
2980     /* Suspend HBA. */
2981     scsi_block_requests(vha->host);
2982     set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2983 
2984     /* Go with write. */
2985     if (IS_QLA28XX(ha))
2986         rval = qla28xx_write_flash_data(vha, buf, offset >> 2,
2987                         length >> 2);
2988     else
2989         rval = qla24xx_write_flash_data(vha, buf, offset >> 2,
2990                         length >> 2);
2991 
2992     clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2993     scsi_unblock_requests(vha->host);
2994 
2995     return rval;
2996 }
2997 
2998 void *
2999 qla25xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
3000     uint32_t offset, uint32_t length)
3001 {
3002     int rval;
3003     dma_addr_t optrom_dma;
3004     void *optrom;
3005     uint8_t *pbuf;
3006     uint32_t faddr, left, burst;
3007     struct qla_hw_data *ha = vha->hw;
3008 
3009     if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
3010         IS_QLA27XX(ha) || IS_QLA28XX(ha))
3011         goto try_fast;
3012     if (offset & 0xfff)
3013         goto slow_read;
3014     if (length < OPTROM_BURST_SIZE)
3015         goto slow_read;
3016 
3017 try_fast:
3018     if (offset & 0xff)
3019         goto slow_read;
3020     optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3021         &optrom_dma, GFP_KERNEL);
3022     if (!optrom) {
3023         ql_log(ql_log_warn, vha, 0x00cc,
3024             "Unable to allocate memory for optrom burst read (%x KB).\n",
3025             OPTROM_BURST_SIZE / 1024);
3026         goto slow_read;
3027     }
3028 
3029     pbuf = buf;
3030     faddr = offset >> 2;
3031     left = length >> 2;
3032     burst = OPTROM_BURST_DWORDS;
3033     while (left != 0) {
3034         if (burst > left)
3035             burst = left;
3036 
3037         rval = qla2x00_dump_ram(vha, optrom_dma,
3038             flash_data_addr(ha, faddr), burst);
3039         if (rval) {
3040             ql_log(ql_log_warn, vha, 0x00f5,
3041                 "Unable to burst-read optrom segment (%x/%x/%llx).\n",
3042                 rval, flash_data_addr(ha, faddr),
3043                 (unsigned long long)optrom_dma);
3044             ql_log(ql_log_warn, vha, 0x00f6,
3045                 "Reverting to slow-read.\n");
3046 
3047             dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
3048                 optrom, optrom_dma);
3049             goto slow_read;
3050         }
3051 
3052         memcpy(pbuf, optrom, burst * 4);
3053 
3054         left -= burst;
3055         faddr += burst;
3056         pbuf += burst * 4;
3057     }
3058 
3059     dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
3060         optrom_dma);
3061 
3062     return buf;
3063 
3064 slow_read:
3065     return qla24xx_read_optrom_data(vha, buf, offset, length);
3066 }
3067 
3068 /**
3069  * qla2x00_get_fcode_version() - Determine an FCODE image's version.
3070  * @ha: HA context
3071  * @pcids: Pointer to the FCODE PCI data structure
3072  *
3073  * The process of retrieving the FCODE version information is at best
3074  * described as interesting.
3075  *
3076  * Within the first 100h bytes of the image an ASCII string is present
3077  * which contains several pieces of information including the FCODE
3078  * version.  Unfortunately it seems the only reliable way to retrieve
3079  * the version is by scanning for another sentinel within the string,
3080  * the FCODE build date:
3081  *
3082  *  ... 2.00.02 10/17/02 ...
3083  *
3084  * Returns QLA_SUCCESS on successful retrieval of version.
3085  */
3086 static void
3087 qla2x00_get_fcode_version(struct qla_hw_data *ha, uint32_t pcids)
3088 {
3089     int ret = QLA_FUNCTION_FAILED;
3090     uint32_t istart, iend, iter, vend;
3091     uint8_t do_next, rbyte, *vbyte;
3092 
3093     memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3094 
3095     /* Skip the PCI data structure. */
3096     istart = pcids +
3097         ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
3098         qla2x00_read_flash_byte(ha, pcids + 0x0A));
3099     iend = istart + 0x100;
3100     do {
3101         /* Scan for the sentinel date string...eeewww. */
3102         do_next = 0;
3103         iter = istart;
3104         while ((iter < iend) && !do_next) {
3105             iter++;
3106             if (qla2x00_read_flash_byte(ha, iter) == '/') {
3107                 if (qla2x00_read_flash_byte(ha, iter + 2) ==
3108                     '/')
3109                     do_next++;
3110                 else if (qla2x00_read_flash_byte(ha,
3111                     iter + 3) == '/')
3112                     do_next++;
3113             }
3114         }
3115         if (!do_next)
3116             break;
3117 
3118         /* Backtrack to previous ' ' (space). */
3119         do_next = 0;
3120         while ((iter > istart) && !do_next) {
3121             iter--;
3122             if (qla2x00_read_flash_byte(ha, iter) == ' ')
3123                 do_next++;
3124         }
3125         if (!do_next)
3126             break;
3127 
3128         /*
3129          * Mark end of version tag, and find previous ' ' (space) or
3130          * string length (recent FCODE images -- major hack ahead!!!).
3131          */
3132         vend = iter - 1;
3133         do_next = 0;
3134         while ((iter > istart) && !do_next) {
3135             iter--;
3136             rbyte = qla2x00_read_flash_byte(ha, iter);
3137             if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
3138                 do_next++;
3139         }
3140         if (!do_next)
3141             break;
3142 
3143         /* Mark beginning of version tag, and copy data. */
3144         iter++;
3145         if ((vend - iter) &&
3146             ((vend - iter) < sizeof(ha->fcode_revision))) {
3147             vbyte = ha->fcode_revision;
3148             while (iter <= vend) {
3149                 *vbyte++ = qla2x00_read_flash_byte(ha, iter);
3150                 iter++;
3151             }
3152             ret = QLA_SUCCESS;
3153         }
3154     } while (0);
3155 
3156     if (ret != QLA_SUCCESS)
3157         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3158 }
3159 
3160 int
3161 qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3162 {
3163     int ret = QLA_SUCCESS;
3164     uint8_t code_type, last_image;
3165     uint32_t pcihdr, pcids;
3166     uint8_t *dbyte;
3167     uint16_t *dcode;
3168     struct qla_hw_data *ha = vha->hw;
3169 
3170     if (!ha->pio_address || !mbuf)
3171         return QLA_FUNCTION_FAILED;
3172 
3173     memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3174     memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3175     memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3176     memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3177 
3178     qla2x00_flash_enable(ha);
3179 
3180     /* Begin with first PCI expansion ROM header. */
3181     pcihdr = 0;
3182     last_image = 1;
3183     do {
3184         /* Verify PCI expansion ROM header. */
3185         if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
3186             qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
3187             /* No signature */
3188             ql_log(ql_log_fatal, vha, 0x0050,
3189                 "No matching ROM signature.\n");
3190             ret = QLA_FUNCTION_FAILED;
3191             break;
3192         }
3193 
3194         /* Locate PCI data structure. */
3195         pcids = pcihdr +
3196             ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
3197             qla2x00_read_flash_byte(ha, pcihdr + 0x18));
3198 
3199         /* Validate signature of PCI data structure. */
3200         if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
3201             qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
3202             qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
3203             qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
3204             /* Incorrect header. */
3205             ql_log(ql_log_fatal, vha, 0x0051,
3206                 "PCI data struct not found pcir_adr=%x.\n", pcids);
3207             ret = QLA_FUNCTION_FAILED;
3208             break;
3209         }
3210 
3211         /* Read version */
3212         code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
3213         switch (code_type) {
3214         case ROM_CODE_TYPE_BIOS:
3215             /* Intel x86, PC-AT compatible. */
3216             ha->bios_revision[0] =
3217                 qla2x00_read_flash_byte(ha, pcids + 0x12);
3218             ha->bios_revision[1] =
3219                 qla2x00_read_flash_byte(ha, pcids + 0x13);
3220             ql_dbg(ql_dbg_init, vha, 0x0052,
3221                 "Read BIOS %d.%d.\n",
3222                 ha->bios_revision[1], ha->bios_revision[0]);
3223             break;
3224         case ROM_CODE_TYPE_FCODE:
3225             /* Open Firmware standard for PCI (FCode). */
3226             /* Eeeewww... */
3227             qla2x00_get_fcode_version(ha, pcids);
3228             break;
3229         case ROM_CODE_TYPE_EFI:
3230             /* Extensible Firmware Interface (EFI). */
3231             ha->efi_revision[0] =
3232                 qla2x00_read_flash_byte(ha, pcids + 0x12);
3233             ha->efi_revision[1] =
3234                 qla2x00_read_flash_byte(ha, pcids + 0x13);
3235             ql_dbg(ql_dbg_init, vha, 0x0053,
3236                 "Read EFI %d.%d.\n",
3237                 ha->efi_revision[1], ha->efi_revision[0]);
3238             break;
3239         default:
3240             ql_log(ql_log_warn, vha, 0x0054,
3241                 "Unrecognized code type %x at pcids %x.\n",
3242                 code_type, pcids);
3243             break;
3244         }
3245 
3246         last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
3247 
3248         /* Locate next PCI expansion ROM. */
3249         pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
3250             qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
3251     } while (!last_image);
3252 
3253     if (IS_QLA2322(ha)) {
3254         /* Read firmware image information. */
3255         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3256         dbyte = mbuf;
3257         memset(dbyte, 0, 8);
3258         dcode = (uint16_t *)dbyte;
3259 
3260         qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
3261             8);
3262         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010a,
3263             "Dumping fw "
3264             "ver from flash:.\n");
3265         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010b,
3266             dbyte, 32);
3267 
3268         if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
3269             dcode[2] == 0xffff && dcode[3] == 0xffff) ||
3270             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3271             dcode[3] == 0)) {
3272             ql_log(ql_log_warn, vha, 0x0057,
3273                 "Unrecognized fw revision at %x.\n",
3274                 ha->flt_region_fw * 4);
3275         } else {
3276             /* values are in big endian */
3277             ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
3278             ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
3279             ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
3280             ql_dbg(ql_dbg_init, vha, 0x0058,
3281                 "FW Version: "
3282                 "%d.%d.%d.\n", ha->fw_revision[0],
3283                 ha->fw_revision[1], ha->fw_revision[2]);
3284         }
3285     }
3286 
3287     qla2x00_flash_disable(ha);
3288 
3289     return ret;
3290 }
3291 
3292 int
3293 qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3294 {
3295     int ret = QLA_SUCCESS;
3296     uint32_t pcihdr, pcids;
3297     uint32_t *dcode = mbuf;
3298     uint8_t *bcode = mbuf;
3299     uint8_t code_type, last_image;
3300     struct qla_hw_data *ha = vha->hw;
3301 
3302     if (!mbuf)
3303         return QLA_FUNCTION_FAILED;
3304 
3305     memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3306     memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3307     memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3308     memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3309 
3310     /* Begin with first PCI expansion ROM header. */
3311     pcihdr = ha->flt_region_boot << 2;
3312     last_image = 1;
3313     do {
3314         /* Verify PCI expansion ROM header. */
3315         ha->isp_ops->read_optrom(vha, dcode, pcihdr, 0x20 * 4);
3316         bcode = mbuf + (pcihdr % 4);
3317         if (memcmp(bcode, "\x55\xaa", 2)) {
3318             /* No signature */
3319             ql_log(ql_log_fatal, vha, 0x0154,
3320                 "No matching ROM signature.\n");
3321             ret = QLA_FUNCTION_FAILED;
3322             break;
3323         }
3324 
3325         /* Locate PCI data structure. */
3326         pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3327 
3328         ha->isp_ops->read_optrom(vha, dcode, pcids, 0x20 * 4);
3329         bcode = mbuf + (pcihdr % 4);
3330 
3331         /* Validate signature of PCI data structure. */
3332         if (memcmp(bcode, "PCIR", 4)) {
3333             /* Incorrect header. */
3334             ql_log(ql_log_fatal, vha, 0x0155,
3335                 "PCI data struct not found pcir_adr=%x.\n", pcids);
3336             ret = QLA_FUNCTION_FAILED;
3337             break;
3338         }
3339 
3340         /* Read version */
3341         code_type = bcode[0x14];
3342         switch (code_type) {
3343         case ROM_CODE_TYPE_BIOS:
3344             /* Intel x86, PC-AT compatible. */
3345             ha->bios_revision[0] = bcode[0x12];
3346             ha->bios_revision[1] = bcode[0x13];
3347             ql_dbg(ql_dbg_init, vha, 0x0156,
3348                 "Read BIOS %d.%d.\n",
3349                 ha->bios_revision[1], ha->bios_revision[0]);
3350             break;
3351         case ROM_CODE_TYPE_FCODE:
3352             /* Open Firmware standard for PCI (FCode). */
3353             ha->fcode_revision[0] = bcode[0x12];
3354             ha->fcode_revision[1] = bcode[0x13];
3355             ql_dbg(ql_dbg_init, vha, 0x0157,
3356                 "Read FCODE %d.%d.\n",
3357                 ha->fcode_revision[1], ha->fcode_revision[0]);
3358             break;
3359         case ROM_CODE_TYPE_EFI:
3360             /* Extensible Firmware Interface (EFI). */
3361             ha->efi_revision[0] = bcode[0x12];
3362             ha->efi_revision[1] = bcode[0x13];
3363             ql_dbg(ql_dbg_init, vha, 0x0158,
3364                 "Read EFI %d.%d.\n",
3365                 ha->efi_revision[1], ha->efi_revision[0]);
3366             break;
3367         default:
3368             ql_log(ql_log_warn, vha, 0x0159,
3369                 "Unrecognized code type %x at pcids %x.\n",
3370                 code_type, pcids);
3371             break;
3372         }
3373 
3374         last_image = bcode[0x15] & BIT_7;
3375 
3376         /* Locate next PCI expansion ROM. */
3377         pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3378     } while (!last_image);
3379 
3380     /* Read firmware image information. */
3381     memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3382     dcode = mbuf;
3383     ha->isp_ops->read_optrom(vha, dcode, ha->flt_region_fw << 2, 0x20);
3384     bcode = mbuf + (pcihdr % 4);
3385 
3386     /* Validate signature of PCI data structure. */
3387     if (bcode[0x0] == 0x3 && bcode[0x1] == 0x0 &&
3388         bcode[0x2] == 0x40 && bcode[0x3] == 0x40) {
3389         ha->fw_revision[0] = bcode[0x4];
3390         ha->fw_revision[1] = bcode[0x5];
3391         ha->fw_revision[2] = bcode[0x6];
3392         ql_dbg(ql_dbg_init, vha, 0x0153,
3393             "Firmware revision %d.%d.%d\n",
3394             ha->fw_revision[0], ha->fw_revision[1],
3395             ha->fw_revision[2]);
3396     }
3397 
3398     return ret;
3399 }
3400 
3401 int
3402 qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
3403 {
3404     int ret = QLA_SUCCESS;
3405     uint32_t pcihdr = 0, pcids = 0;
3406     uint32_t *dcode = mbuf;
3407     uint8_t *bcode = mbuf;
3408     uint8_t code_type, last_image;
3409     int i;
3410     struct qla_hw_data *ha = vha->hw;
3411     uint32_t faddr = 0;
3412     struct active_regions active_regions = { };
3413 
3414     if (IS_P3P_TYPE(ha))
3415         return ret;
3416 
3417     if (!mbuf)
3418         return QLA_FUNCTION_FAILED;
3419 
3420     memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3421     memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3422     memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3423     memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3424 
3425     pcihdr = ha->flt_region_boot << 2;
3426     if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3427         qla27xx_get_active_image(vha, &active_regions);
3428         if (active_regions.global == QLA27XX_SECONDARY_IMAGE) {
3429             pcihdr = ha->flt_region_boot_sec << 2;
3430         }
3431     }
3432 
3433     do {
3434         /* Verify PCI expansion ROM header. */
3435         qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
3436         bcode = mbuf + (pcihdr % 4);
3437         if (memcmp(bcode, "\x55\xaa", 2)) {
3438             /* No signature */
3439             ql_log(ql_log_fatal, vha, 0x0059,
3440                 "No matching ROM signature.\n");
3441             ret = QLA_FUNCTION_FAILED;
3442             break;
3443         }
3444 
3445         /* Locate PCI data structure. */
3446         pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3447 
3448         qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
3449         bcode = mbuf + (pcihdr % 4);
3450 
3451         /* Validate signature of PCI data structure. */
3452         if (memcmp(bcode, "PCIR", 4)) {
3453             /* Incorrect header. */
3454             ql_log(ql_log_fatal, vha, 0x005a,
3455                 "PCI data struct not found pcir_adr=%x.\n", pcids);
3456             ql_dump_buffer(ql_dbg_init, vha, 0x0059, dcode, 32);
3457             ret = QLA_FUNCTION_FAILED;
3458             break;
3459         }
3460 
3461         /* Read version */
3462         code_type = bcode[0x14];
3463         switch (code_type) {
3464         case ROM_CODE_TYPE_BIOS:
3465             /* Intel x86, PC-AT compatible. */
3466             ha->bios_revision[0] = bcode[0x12];
3467             ha->bios_revision[1] = bcode[0x13];
3468             ql_dbg(ql_dbg_init, vha, 0x005b,
3469                 "Read BIOS %d.%d.\n",
3470                 ha->bios_revision[1], ha->bios_revision[0]);
3471             break;
3472         case ROM_CODE_TYPE_FCODE:
3473             /* Open Firmware standard for PCI (FCode). */
3474             ha->fcode_revision[0] = bcode[0x12];
3475             ha->fcode_revision[1] = bcode[0x13];
3476             ql_dbg(ql_dbg_init, vha, 0x005c,
3477                 "Read FCODE %d.%d.\n",
3478                 ha->fcode_revision[1], ha->fcode_revision[0]);
3479             break;
3480         case ROM_CODE_TYPE_EFI:
3481             /* Extensible Firmware Interface (EFI). */
3482             ha->efi_revision[0] = bcode[0x12];
3483             ha->efi_revision[1] = bcode[0x13];
3484             ql_dbg(ql_dbg_init, vha, 0x005d,
3485                 "Read EFI %d.%d.\n",
3486                 ha->efi_revision[1], ha->efi_revision[0]);
3487             break;
3488         default:
3489             ql_log(ql_log_warn, vha, 0x005e,
3490                 "Unrecognized code type %x at pcids %x.\n",
3491                 code_type, pcids);
3492             break;
3493         }
3494 
3495         last_image = bcode[0x15] & BIT_7;
3496 
3497         /* Locate next PCI expansion ROM. */
3498         pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3499     } while (!last_image);
3500 
3501     /* Read firmware image information. */
3502     memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3503     faddr = ha->flt_region_fw;
3504     if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3505         qla27xx_get_active_image(vha, &active_regions);
3506         if (active_regions.global == QLA27XX_SECONDARY_IMAGE)
3507             faddr = ha->flt_region_fw_sec;
3508     }
3509 
3510     qla24xx_read_flash_data(vha, dcode, faddr, 8);
3511     if (qla24xx_risc_firmware_invalid(dcode)) {
3512         ql_log(ql_log_warn, vha, 0x005f,
3513             "Unrecognized fw revision at %x.\n",
3514             ha->flt_region_fw * 4);
3515         ql_dump_buffer(ql_dbg_init, vha, 0x005f, dcode, 32);
3516     } else {
3517         for (i = 0; i < 4; i++)
3518             ha->fw_revision[i] =
3519                 be32_to_cpu((__force __be32)dcode[4+i]);
3520         ql_dbg(ql_dbg_init, vha, 0x0060,
3521             "Firmware revision (flash) %u.%u.%u (%x).\n",
3522             ha->fw_revision[0], ha->fw_revision[1],
3523             ha->fw_revision[2], ha->fw_revision[3]);
3524     }
3525 
3526     /* Check for golden firmware and get version if available */
3527     if (!IS_QLA81XX(ha)) {
3528         /* Golden firmware is not present in non 81XX adapters */
3529         return ret;
3530     }
3531 
3532     memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version));
3533     faddr = ha->flt_region_gold_fw;
3534     qla24xx_read_flash_data(vha, dcode, ha->flt_region_gold_fw, 8);
3535     if (qla24xx_risc_firmware_invalid(dcode)) {
3536         ql_log(ql_log_warn, vha, 0x0056,
3537             "Unrecognized golden fw at %#x.\n", faddr);
3538         ql_dump_buffer(ql_dbg_init, vha, 0x0056, dcode, 32);
3539         return ret;
3540     }
3541 
3542     for (i = 0; i < 4; i++)
3543         ha->gold_fw_version[i] =
3544             be32_to_cpu((__force __be32)dcode[4+i]);
3545 
3546     return ret;
3547 }
3548 
3549 static int
3550 qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
3551 {
3552     if (pos >= end || *pos != 0x82)
3553         return 0;
3554 
3555     pos += 3 + pos[1];
3556     if (pos >= end || *pos != 0x90)
3557         return 0;
3558 
3559     pos += 3 + pos[1];
3560     if (pos >= end || *pos != 0x78)
3561         return 0;
3562 
3563     return 1;
3564 }
3565 
3566 int
3567 qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
3568 {
3569     struct qla_hw_data *ha = vha->hw;
3570     uint8_t *pos = ha->vpd;
3571     uint8_t *end = pos + ha->vpd_size;
3572     int len = 0;
3573 
3574     if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
3575         return 0;
3576 
3577     while (pos < end && *pos != 0x78) {
3578         len = (*pos == 0x82) ? pos[1] : pos[2];
3579 
3580         if (!strncmp(pos, key, strlen(key)))
3581             break;
3582 
3583         if (*pos != 0x90 && *pos != 0x91)
3584             pos += len;
3585 
3586         pos += 3;
3587     }
3588 
3589     if (pos < end - len && *pos != 0x78)
3590         return scnprintf(str, size, "%.*s", len, pos + 3);
3591 
3592     return 0;
3593 }
3594 
3595 int
3596 qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
3597 {
3598     int len, max_len;
3599     uint32_t fcp_prio_addr;
3600     struct qla_hw_data *ha = vha->hw;
3601 
3602     if (!ha->fcp_prio_cfg) {
3603         ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
3604         if (!ha->fcp_prio_cfg) {
3605             ql_log(ql_log_warn, vha, 0x00d5,
3606                 "Unable to allocate memory for fcp priority data (%x).\n",
3607                 FCP_PRIO_CFG_SIZE);
3608             return QLA_FUNCTION_FAILED;
3609         }
3610     }
3611     memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
3612 
3613     fcp_prio_addr = ha->flt_region_fcp_prio;
3614 
3615     /* first read the fcp priority data header from flash */
3616     ha->isp_ops->read_optrom(vha, ha->fcp_prio_cfg,
3617             fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
3618 
3619     if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 0))
3620         goto fail;
3621 
3622     /* read remaining FCP CMD config data from flash */
3623     fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
3624     len = ha->fcp_prio_cfg->num_entries * sizeof(struct qla_fcp_prio_entry);
3625     max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
3626 
3627     ha->isp_ops->read_optrom(vha, &ha->fcp_prio_cfg->entry[0],
3628             fcp_prio_addr << 2, (len < max_len ? len : max_len));
3629 
3630     /* revalidate the entire FCP priority config data, including entries */
3631     if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 1))
3632         goto fail;
3633 
3634     ha->flags.fcp_prio_enabled = 1;
3635     return QLA_SUCCESS;
3636 fail:
3637     vfree(ha->fcp_prio_cfg);
3638     ha->fcp_prio_cfg = NULL;
3639     return QLA_FUNCTION_FAILED;
3640 }