[SCSI] qla2xxx: Export OptionROM boot-codes version information.

This includes BIOS, EFI, FCODE and firmware versions.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

6 files changed, 416 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 7b18a6c7b7eb..78a5867bf515 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -653,6 +653,43 @@ qla2x00_beacon_store(struct class_device *cdev, const char *buf,
         return count;
 }
 
+static ssize_t
+qla2x00_optrom_bios_version_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+
+        return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
+            ha->bios_revision[0]);
+}
+
+static ssize_t
+qla2x00_optrom_efi_version_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+
+        return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
+            ha->efi_revision[0]);
+}
+
+static ssize_t
+qla2x00_optrom_fcode_version_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+
+        return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
+            ha->fcode_revision[0]);
+}
+
+static ssize_t
+qla2x00_optrom_fw_version_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+
+        return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
+            ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
+            ha->fw_revision[3]);
+}
+
 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
         NULL);
 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
@@ -669,6 +706,14 @@ static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
     qla2x00_zio_timer_store);
 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
     qla2x00_beacon_store);
+static CLASS_DEVICE_ATTR(optrom_bios_version, S_IRUGO,
+    qla2x00_optrom_bios_version_show, NULL);
+static CLASS_DEVICE_ATTR(optrom_efi_version, S_IRUGO,
+    qla2x00_optrom_efi_version_show, NULL);
+static CLASS_DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
+    qla2x00_optrom_fcode_version_show, NULL);
+static CLASS_DEVICE_ATTR(optrom_fw_version, S_IRUGO,
+    qla2x00_optrom_fw_version_show, NULL);
 
 struct class_device_attribute *qla2x00_host_attrs[] = {
         &class_device_attr_driver_version,
@@ -683,6 +728,10 @@ struct class_device_attribute *qla2x00_host_attrs[] = {
         &class_device_attr_zio,
         &class_device_attr_zio_timer,
         &class_device_attr_beacon,
+        &class_device_attr_optrom_bios_version,
+        &class_device_attr_optrom_efi_version,
+        &class_device_attr_optrom_fcode_version,
+        &class_device_attr_optrom_fw_version,
         NULL,
 };
 
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 3b26f8e00ace..2a59faa632df 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2044,6 +2044,8 @@ struct isp_operations {
                 uint32_t, uint32_t);
         int (*write_optrom) (struct scsi_qla_host *, uint8_t *, uint32_t,
                 uint32_t);
+
+        int (*get_flash_version) (struct scsi_qla_host *, void *);
 };
 
 /* MSI-X Support *************************************************************/
@@ -2400,6 +2402,15 @@ typedef struct scsi_qla_host {
 #define QLA_SREADING    1
 #define QLA_SWRITING    2
 
+        /* PCI expansion ROM image information. */
+#define ROM_CODE_TYPE_BIOS      0
+#define ROM_CODE_TYPE_FCODE     1
+#define ROM_CODE_TYPE_EFI       3
+        uint8_t         bios_revision[2];
+        uint8_t         efi_revision[2];
+        uint8_t         fcode_revision[16];
+        uint32_t        fw_revision[4];
+
         /* Needed for BEACON */
         uint16_t        beacon_blink_led;
         uint8_t         beacon_color_state;
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index e6ca2bc9a28d..f8bddec4fe85 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -263,6 +263,9 @@ extern uint8_t *qla24xx_read_optrom_data(struct scsi_qla_host *, uint8_t *,
 extern int qla24xx_write_optrom_data(struct scsi_qla_host *, uint8_t *,
     uint32_t, uint32_t);
 
+extern int qla2x00_get_flash_version(scsi_qla_host_t *, void *);
+extern int qla24xx_get_flash_version(scsi_qla_host_t *, void *);
+
 /*
  * Global Function Prototypes in qla_dbg.c source file.
  */
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index b6f0494e034c..570f5f8e6c28 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -84,6 +84,8 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
 
         ha->isp_ops.reset_chip(ha);
 
+        ha->isp_ops.get_flash_version(ha, ha->request_ring);
+
         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 
         ha->isp_ops.nvram_config(ha);
@@ -3109,6 +3111,8 @@ qla2x00_abort_isp(scsi_qla_host_t *ha)
                 }
                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
+                ha->isp_ops.get_flash_version(ha, ha->request_ring);
+
                 ha->isp_ops.nvram_config(ha);
 
                 if (!qla2x00_restart_isp(ha)) {
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 2bd70bb82aab..d35ff4a2a764 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1482,6 +1482,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
         ha->isp_ops.fw_dump             = qla2100_fw_dump;
         ha->isp_ops.read_optrom         = qla2x00_read_optrom_data;
         ha->isp_ops.write_optrom        = qla2x00_write_optrom_data;
+        ha->isp_ops.get_flash_version   = qla2x00_get_flash_version;
         if (IS_QLA2100(ha)) {
                 host->max_id = MAX_TARGETS_2100;
                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
@@ -1547,6 +1548,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
                 ha->isp_ops.beacon_on = qla24xx_beacon_on;
                 ha->isp_ops.beacon_off = qla24xx_beacon_off;
                 ha->isp_ops.beacon_blink = qla24xx_beacon_blink;
+                ha->isp_ops.get_flash_version = qla24xx_get_flash_version;
                 ha->gid_list_info_size = 8;
                 ha->optrom_size = OPTROM_SIZE_24XX;
         }
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 7bbe751a7334..ff1dd4175a7f 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -1382,6 +1382,29 @@ qla2x00_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
         qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
 }
 
+static void
+qla2x00_read_flash_data(scsi_qla_host_t *ha, uint8_t *tmp_buf, uint32_t saddr,
+        uint32_t length)
+{
+        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+        uint32_t midpoint, ilength;
+        uint8_t data;
+
+        midpoint = length / 2;
+
+        WRT_REG_WORD(&reg->nvram, 0);
+        RD_REG_WORD(&reg->nvram);
+        for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
+                if (ilength == midpoint) {
+                        WRT_REG_WORD(&reg->nvram, NVR_SELECT);
+                        RD_REG_WORD(&reg->nvram);
+                }
+                data = qla2x00_read_flash_byte(ha, saddr);
+                if (saddr % 100)
+                        udelay(10);
+                *tmp_buf = data;
+        }
+}
 
 static inline void
 qla2x00_suspend_hba(struct scsi_qla_host *ha)
@@ -1721,3 +1744,327 @@ qla24xx_write_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
 
         return rval;
 }
+
+/**
+ * qla2x00_get_fcode_version() - Determine an FCODE image's version.
+ * @ha: HA context
+ * @pcids: Pointer to the FCODE PCI data structure
+ *
+ * The process of retrieving the FCODE version information is at best
+ * described as interesting.
+ *
+ * Within the first 100h bytes of the image an ASCII string is present
+ * which contains several pieces of information including the FCODE
+ * version.  Unfortunately it seems the only reliable way to retrieve
+ * the version is by scanning for another sentinel within the string,
+ * the FCODE build date:
+ *
+ *      ... 2.00.02 10/17/02 ...
+ *
+ * Returns QLA_SUCCESS on successful retrieval of version.
+ */
+static void
+qla2x00_get_fcode_version(scsi_qla_host_t *ha, uint32_t pcids)
+{
+        int ret = QLA_FUNCTION_FAILED;
+        uint32_t istart, iend, iter, vend;
+        uint8_t do_next, rbyte, *vbyte;
+
+        memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
+
+        /* Skip the PCI data structure. */
+        istart = pcids +
+            ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
+                qla2x00_read_flash_byte(ha, pcids + 0x0A));
+        iend = istart + 0x100;
+        do {
+                /* Scan for the sentinel date string...eeewww. */
+                do_next = 0;
+                iter = istart;
+                while ((iter < iend) && !do_next) {
+                        iter++;
+                        if (qla2x00_read_flash_byte(ha, iter) == '/') {
+                                if (qla2x00_read_flash_byte(ha, iter + 2) ==
+                                    '/')
+                                        do_next++;
+                                else if (qla2x00_read_flash_byte(ha,
+                                    iter + 3) == '/')
+                                        do_next++;
+                        }
+                }
+                if (!do_next)
+                        break;
+
+                /* Backtrack to previous ' ' (space). */
+                do_next = 0;
+                while ((iter > istart) && !do_next) {
+                        iter--;
+                        if (qla2x00_read_flash_byte(ha, iter) == ' ')
+                                do_next++;
+                }
+                if (!do_next)
+                        break;
+
+                /*
+                 * Mark end of version tag, and find previous ' ' (space) or
+                 * string length (recent FCODE images -- major hack ahead!!!).
+                 */
+                vend = iter - 1;
+                do_next = 0;
+                while ((iter > istart) && !do_next) {
+                        iter--;
+                        rbyte = qla2x00_read_flash_byte(ha, iter);
+                        if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
+                                do_next++;
+                }
+                if (!do_next)
+                        break;
+
+                /* Mark beginning of version tag, and copy data. */
+                iter++;
+                if ((vend - iter) &&
+                    ((vend - iter) < sizeof(ha->fcode_revision))) {
+                        vbyte = ha->fcode_revision;
+                        while (iter <= vend) {
+                                *vbyte++ = qla2x00_read_flash_byte(ha, iter);
+                                iter++;
+                        }
+                        ret = QLA_SUCCESS;
+                }
+        } while (0);
+
+        if (ret != QLA_SUCCESS)
+                memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
+}
+
+int
+qla2x00_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
+{
+        int ret = QLA_SUCCESS;
+        uint8_t code_type, last_image;
+        uint32_t pcihdr, pcids;
+        uint8_t *dbyte;
+        uint16_t *dcode;
+
+        if (!ha->pio_address || !mbuf)
+                return QLA_FUNCTION_FAILED;
+
+        memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
+        memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
+        memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
+        memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
+
+        qla2x00_flash_enable(ha);
+
+        /* Begin with first PCI expansion ROM header. */
+        pcihdr = 0;
+        last_image = 1;
+        do {
+                /* Verify PCI expansion ROM header. */
+                if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
+                    qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
+                        /* No signature */
+                        DEBUG2(printk("scsi(%ld): No matching ROM "
+                            "signature.\n", ha->host_no));
+                        ret = QLA_FUNCTION_FAILED;
+                        break;
+                }
+
+                /* Locate PCI data structure. */
+                pcids = pcihdr +
+                    ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
+                        qla2x00_read_flash_byte(ha, pcihdr + 0x18));
+
+                /* Validate signature of PCI data structure. */
+                if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
+                    qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
+                    qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
+                    qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
+                        /* Incorrect header. */
+                        DEBUG2(printk("%s(): PCI data struct not found "
+                            "pcir_adr=%x.\n", __func__, pcids));
+                        ret = QLA_FUNCTION_FAILED;
+                        break;
+                }
+
+                /* Read version */
+                code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
+                switch (code_type) {
+                case ROM_CODE_TYPE_BIOS:
+                        /* Intel x86, PC-AT compatible. */
+                        ha->bios_revision[0] =
+                            qla2x00_read_flash_byte(ha, pcids + 0x12);
+                        ha->bios_revision[1] =
+                            qla2x00_read_flash_byte(ha, pcids + 0x13);
+                        DEBUG3(printk("%s(): read BIOS %d.%d.\n", __func__,
+                            ha->bios_revision[1], ha->bios_revision[0]));
+                        break;
+                case ROM_CODE_TYPE_FCODE:
+                        /* Open Firmware standard for PCI (FCode). */
+                        /* Eeeewww... */
+                        qla2x00_get_fcode_version(ha, pcids);
+                        break;
+                case ROM_CODE_TYPE_EFI:
+                        /* Extensible Firmware Interface (EFI). */
+                        ha->efi_revision[0] =
+                            qla2x00_read_flash_byte(ha, pcids + 0x12);
+                        ha->efi_revision[1] =
+                            qla2x00_read_flash_byte(ha, pcids + 0x13);
+                        DEBUG3(printk("%s(): read EFI %d.%d.\n", __func__,
+                            ha->efi_revision[1], ha->efi_revision[0]));
+                        break;
+                default:
+                        DEBUG2(printk("%s(): Unrecognized code type %x at "
+                            "pcids %x.\n", __func__, code_type, pcids));
+                        break;
+                }
+
+                last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
+
+                /* Locate next PCI expansion ROM. */
+                pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
+                    qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
+        } while (!last_image);
+
+        if (IS_QLA2322(ha)) {
+                /* Read firmware image information. */
+                memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
+                dbyte = mbuf;
+                memset(dbyte, 0, 8);
+                dcode = (uint16_t *)dbyte;
+
+                qla2x00_read_flash_data(ha, dbyte, FA_RISC_CODE_ADDR * 4 + 10,
+                    8);
+                DEBUG3(printk("%s(%ld): dumping fw ver from flash:\n",
+                    __func__, ha->host_no));
+                DEBUG3(qla2x00_dump_buffer((uint8_t *)dbyte, 8));
+
+                if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
+                    dcode[2] == 0xffff && dcode[3] == 0xffff) ||
+                    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
+                    dcode[3] == 0)) {
+                        DEBUG2(printk("%s(): Unrecognized fw revision at "
+                            "%x.\n", __func__, FA_RISC_CODE_ADDR * 4));
+                } else {
+                        /* values are in big endian */
+                        ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
+                        ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
+                        ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
+                }
+        }
+
+        qla2x00_flash_disable(ha);
+
+        return ret;
+}
+
+int
+qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
+{
+        int ret = QLA_SUCCESS;
+        uint32_t pcihdr, pcids;
+        uint32_t *dcode;
+        uint8_t *bcode;
+        uint8_t code_type, last_image;
+        int i;
+
+        if (!mbuf)
+                return QLA_FUNCTION_FAILED;
+
+        memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
+        memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
+        memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
+        memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
+
+        dcode = mbuf;
+
+        /* Begin with first PCI expansion ROM header. */
+        pcihdr = 0;
+        last_image = 1;
+        do {
+                /* Verify PCI expansion ROM header. */
+                qla24xx_read_flash_data(ha, dcode, pcihdr >> 2, 0x20);
+                bcode = mbuf + (pcihdr % 4);
+                if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
+                        /* No signature */
+                        DEBUG2(printk("scsi(%ld): No matching ROM "
+                            "signature.\n", ha->host_no));
+                        ret = QLA_FUNCTION_FAILED;
+                        break;
+                }
+
+                /* Locate PCI data structure. */
+                pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
+
+                qla24xx_read_flash_data(ha, dcode, pcids >> 2, 0x20);
+                bcode = mbuf + (pcihdr % 4);
+
+                /* Validate signature of PCI data structure. */
+                if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
+                    bcode[0x2] != 'I' || bcode[0x3] != 'R') {
+                        /* Incorrect header. */
+                        DEBUG2(printk("%s(): PCI data struct not found "
+                            "pcir_adr=%x.\n", __func__, pcids));
+                        ret = QLA_FUNCTION_FAILED;
+                        break;
+                }
+
+                /* Read version */
+                code_type = bcode[0x14];
+                switch (code_type) {
+                case ROM_CODE_TYPE_BIOS:
+                        /* Intel x86, PC-AT compatible. */
+                        ha->bios_revision[0] = bcode[0x12];
+                        ha->bios_revision[1] = bcode[0x13];
+                        DEBUG3(printk("%s(): read BIOS %d.%d.\n", __func__,
+                            ha->bios_revision[1], ha->bios_revision[0]));
+                        break;
+                case ROM_CODE_TYPE_FCODE:
+                        /* Open Firmware standard for PCI (FCode). */
+                        ha->fcode_revision[0] = bcode[0x12];
+                        ha->fcode_revision[1] = bcode[0x13];
+                        DEBUG3(printk("%s(): read FCODE %d.%d.\n", __func__,
+                            ha->fcode_revision[1], ha->fcode_revision[0]));
+                        break;
+                case ROM_CODE_TYPE_EFI:
+                        /* Extensible Firmware Interface (EFI). */
+                        ha->efi_revision[0] = bcode[0x12];
+                        ha->efi_revision[1] = bcode[0x13];
+                        DEBUG3(printk("%s(): read EFI %d.%d.\n", __func__,
+                            ha->efi_revision[1], ha->efi_revision[0]));
+                        break;
+                default:
+                        DEBUG2(printk("%s(): Unrecognized code type %x at "
+                            "pcids %x.\n", __func__, code_type, pcids));
+                        break;
+                }
+
+                last_image = bcode[0x15] & BIT_7;
+
+                /* Locate next PCI expansion ROM. */
+                pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
+        } while (!last_image);
+
+        /* Read firmware image information. */
+        memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
+        dcode = mbuf;
+
+        qla24xx_read_flash_data(ha, dcode, FA_RISC_CODE_ADDR + 4, 4);
+        for (i = 0; i < 4; i++)
+                dcode[i] = be32_to_cpu(dcode[i]);
+
+        if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
+            dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
+            (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
+            dcode[3] == 0)) {
+                DEBUG2(printk("%s(): Unrecognized fw version at %x.\n",
+                    __func__, FA_RISC_CODE_ADDR));
+        } else {
+                ha->fw_revision[0] = dcode[0];
+                ha->fw_revision[1] = dcode[1];
+                ha->fw_revision[2] = dcode[2];
+                ha->fw_revision[3] = dcode[3];
+        }
+
+        return ret;
+}