Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (97 commits)
  [SCSI] zfcp: removed wrong comment
  [SCSI] zfcp: use of uninitialized variable
  [SCSI] zfcp: Invalid locking order
  [SCSI] aic79xx: use dma_get_required_mask()
  [SCSI] aic79xx: fix bracket mismatch in unused macro
  [SCSI] BusLogic: Replace 'boolean' by 'bool'
  [SCSI] advansys: clean up warnings
  [SCSI] 53c7xx: brackets fix in uncompiled code
  [SCSI] nsp_cs: remove old scsi code
  [SCSI] aic79xx: make ahd_match_scb() static
  [SCSI] DAC960: kmalloc->kzalloc/Casting cleanups
  [SCSI] scsi_kmap_atomic_sg(): check that local irqs are disabled
  [SCSI] Buslogic: local_irq_disable() is redundant after local_irq_save()
  [SCSI] aic94xx: update for v28 firmware
  [SCSI] scsi_error: Fix lost EH commands
  [SCSI] aic94xx: Add default bus reset handler
  [SCSI] aic94xx: Remove TMF result code munging
  [SCSI] libsas: Add an LU reset mechanism to the error handler
  [SCSI] libsas: Don't BUG when connecting two expanders via wide port
  [SCSI] st: fix Tape dies if wrong block size used, bug 7919
  ...

1 files changed, 347 insertions, 1 deletions

diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 15390ad87456..ff1dd4175a7f 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -611,7 +611,6 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
                                             flash_conf_to_access_addr(0x0339),
                                             (fdata & 0xff00) | ((fdata << 16) &
                                             0xff0000) | ((fdata >> 16) & 0xff));
-                                fdata = (faddr & sec_mask) << 2;
                                 ret = qla24xx_write_flash_dword(ha, conf_addr,
                                     (fdata & 0xff00) |((fdata << 16) &
                                     0xff0000) | ((fdata >> 16) & 0xff));
@@ -1383,6 +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)
@@ -1722,3 +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;
+}