Merge 'upstream-2.6.13' branch of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

4 files changed, 150 insertions, 38 deletions

diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index fc5263c6b102..9a547ca9c864 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -39,7 +39,7 @@
 #include <asm/io.h>
 
 #define DRV_NAME        "ahci"
-#define DRV_VERSION     "1.00"
+#define DRV_VERSION     "1.01"
 
 
 enum {
@@ -50,6 +50,7 @@ enum {
         AHCI_CMD_SLOT_SZ        = 32 * 32,
         AHCI_RX_FIS_SZ          = 256,
         AHCI_CMD_TBL_HDR        = 0x80,
+        AHCI_CMD_TBL_CDB        = 0x40,
         AHCI_CMD_TBL_SZ         = AHCI_CMD_TBL_HDR + (AHCI_MAX_SG * 16),
         AHCI_PORT_PRIV_DMA_SZ   = AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_SZ +
                                   AHCI_RX_FIS_SZ,
@@ -134,6 +135,9 @@ enum {
         PORT_CMD_ICC_ACTIVE     = (0x1 << 28), /* Put i/f in active state */
         PORT_CMD_ICC_PARTIAL    = (0x2 << 28), /* Put i/f in partial state */
         PORT_CMD_ICC_SLUMBER    = (0x6 << 28), /* Put i/f in slumber state */
+
+        /* hpriv->flags bits */
+        AHCI_FLAG_MSI           = (1 << 0),
 };
 
 struct ahci_cmd_hdr {
@@ -183,6 +187,7 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc);
 static u8 ahci_check_status(struct ata_port *ap);
 static u8 ahci_check_err(struct ata_port *ap);
 static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc);
+static void ahci_remove_one (struct pci_dev *pdev);
 
 static Scsi_Host_Template ahci_sht = {
         .module                 = THIS_MODULE,
@@ -272,7 +277,7 @@ static struct pci_driver ahci_pci_driver = {
         .name                   = DRV_NAME,
         .id_table               = ahci_pci_tbl,
         .probe                  = ahci_init_one,
-        .remove                 = ata_pci_remove_one,
+        .remove                 = ahci_remove_one,
 };
 
 
@@ -506,7 +511,8 @@ static void ahci_fill_sg(struct ata_queued_cmd *qc)
 
 static void ahci_qc_prep(struct ata_queued_cmd *qc)
 {
-        struct ahci_port_priv *pp = qc->ap->private_data;
+        struct ata_port *ap = qc->ap;
+        struct ahci_port_priv *pp = ap->private_data;
         u32 opts;
         const u32 cmd_fis_len = 5; /* five dwords */
 
@@ -518,18 +524,8 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
         opts = (qc->n_elem << 16) | cmd_fis_len;
         if (qc->tf.flags & ATA_TFLAG_WRITE)
                 opts |= AHCI_CMD_WRITE;
-
-        switch (qc->tf.protocol) {
-        case ATA_PROT_ATAPI:
-        case ATA_PROT_ATAPI_NODATA:
-        case ATA_PROT_ATAPI_DMA:
+        if (is_atapi_taskfile(&qc->tf))
                 opts |= AHCI_CMD_ATAPI;
-                break;
-
-        default:
-                /* do nothing */
-                break;
-        }
 
         pp->cmd_slot[0].opts = cpu_to_le32(opts);
         pp->cmd_slot[0].status = 0;
@@ -541,6 +537,10 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
          * a SATA Register - Host to Device command FIS.
          */
         ata_tf_to_fis(&qc->tf, pp->cmd_tbl, 0);
+        if (opts & AHCI_CMD_ATAPI) {
+                memset(pp->cmd_tbl + AHCI_CMD_TBL_CDB, 0, 32);
+                memcpy(pp->cmd_tbl + AHCI_CMD_TBL_CDB, qc->cdb, ap->cdb_len);
+        }
 
         if (!(qc->flags & ATA_QCFLAG_DMAMAP))
                 return;
@@ -795,8 +795,6 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent)
                                 return rc;
                         }
                 }
-
-                hpriv->flags |= HOST_CAP_64;
         } else {
                 rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
                 if (rc) {
@@ -879,15 +877,19 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent)
 }
 
 /* move to PCI layer, integrate w/ MSI stuff */
-static void pci_enable_intx(struct pci_dev *pdev)
+static void pci_intx(struct pci_dev *pdev, int enable)
 {
-        u16 pci_command;
+        u16 pci_command, new;
 
         pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
-        if (pci_command & PCI_COMMAND_INTX_DISABLE) {
-                pci_command &= ~PCI_COMMAND_INTX_DISABLE;
+
+        if (enable)
+                new = pci_command & ~PCI_COMMAND_INTX_DISABLE;
+        else
+                new = pci_command | PCI_COMMAND_INTX_DISABLE;
+
+        if (new != pci_command)
                 pci_write_config_word(pdev, PCI_COMMAND, pci_command);
-        }
 }
 
 static void ahci_print_info(struct ata_probe_ent *probe_ent)
@@ -969,7 +971,7 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
         unsigned long base;
         void *mmio_base;
         unsigned int board_idx = (unsigned int) ent->driver_data;
-        int pci_dev_busy = 0;
+        int have_msi, pci_dev_busy = 0;
         int rc;
 
         VPRINTK("ENTER\n");
@@ -987,12 +989,17 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
                 goto err_out;
         }
 
-        pci_enable_intx(pdev);
+        if (pci_enable_msi(pdev) == 0)
+                have_msi = 1;
+        else {
+                pci_intx(pdev, 1);
+                have_msi = 0;
+        }
 
         probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
         if (probe_ent == NULL) {
                 rc = -ENOMEM;
-                goto err_out_regions;
+                goto err_out_msi;
         }
 
         memset(probe_ent, 0, sizeof(*probe_ent));
@@ -1025,6 +1032,9 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
         probe_ent->mmio_base = mmio_base;
         probe_ent->private_data = hpriv;
 
+        if (have_msi)
+                hpriv->flags |= AHCI_FLAG_MSI;
+
         /* initialize adapter */
         rc = ahci_host_init(probe_ent);
         if (rc)
@@ -1044,7 +1054,11 @@ err_out_iounmap:
         iounmap(mmio_base);
 err_out_free_ent:
         kfree(probe_ent);
-err_out_regions:
+err_out_msi:
+        if (have_msi)
+                pci_disable_msi(pdev);
+        else
+                pci_intx(pdev, 0);
         pci_release_regions(pdev);
 err_out:
         if (!pci_dev_busy)
@@ -1052,6 +1066,42 @@ err_out:
         return rc;
 }
 
+static void ahci_remove_one (struct pci_dev *pdev)
+{
+        struct device *dev = pci_dev_to_dev(pdev);
+        struct ata_host_set *host_set = dev_get_drvdata(dev);
+        struct ahci_host_priv *hpriv = host_set->private_data;
+        struct ata_port *ap;
+        unsigned int i;
+        int have_msi;
+
+        for (i = 0; i < host_set->n_ports; i++) {
+                ap = host_set->ports[i];
+
+                scsi_remove_host(ap->host);
+        }
+
+        have_msi = hpriv->flags & AHCI_FLAG_MSI;
+        free_irq(host_set->irq, host_set);
+
+        for (i = 0; i < host_set->n_ports; i++) {
+                ap = host_set->ports[i];
+
+                ata_scsi_release(ap->host);
+                scsi_host_put(ap->host);
+        }
+
+        host_set->ops->host_stop(host_set);
+        kfree(host_set);
+
+        if (have_msi)
+                pci_disable_msi(pdev);
+        else
+                pci_intx(pdev, 0);
+        pci_release_regions(pdev);
+        pci_disable_device(pdev);
+        dev_set_drvdata(dev, NULL);
+}
 
 static int __init ahci_init(void)
 {
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 9e58f134f68b..36b401fee1f1 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1295,6 +1295,37 @@ err_out:
         DPRINTK("EXIT, err\n");
 }
 
+
+static inline u8 ata_dev_knobble(struct ata_port *ap)
+{
+        return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(ap->device->id)));
+}
+
+/**
+ *      ata_dev_config - Run device specific handlers and check for
+ *                       SATA->PATA bridges
+ *      @ap: Bus 
+ *      @i:  Device
+ *
+ *      LOCKING:
+ */
+ 
+void ata_dev_config(struct ata_port *ap, unsigned int i)
+{
+        /* limit bridge transfers to udma5, 200 sectors */
+        if (ata_dev_knobble(ap)) {
+                printk(KERN_INFO "ata%u(%u): applying bridge limits\n",
+                        ap->id, ap->device->devno);
+                ap->udma_mask &= ATA_UDMA5;
+                ap->host->max_sectors = ATA_MAX_SECTORS;
+                ap->host->hostt->max_sectors = ATA_MAX_SECTORS;
+                ap->device->flags |= ATA_DFLAG_LOCK_SECTORS;
+        }
+
+        if (ap->ops->dev_config)
+                ap->ops->dev_config(ap, &ap->device[i]);
+}
+
 /**
  *      ata_bus_probe - Reset and probe ATA bus
  *      @ap: Bus to probe
@@ -1322,8 +1353,7 @@ static int ata_bus_probe(struct ata_port *ap)
                 ata_dev_identify(ap, i);
                 if (ata_dev_present(&ap->device[i])) {
                         found = 1;
-                        if (ap->ops->dev_config)
-                                ap->ops->dev_config(ap, &ap->device[i]);
+                        ata_dev_config(ap,i);
                 }
         }
 
@@ -4406,6 +4436,7 @@ EXPORT_SYMBOL_GPL(ata_scsi_release);
 EXPORT_SYMBOL_GPL(ata_host_intr);
 EXPORT_SYMBOL_GPL(ata_dev_classify);
 EXPORT_SYMBOL_GPL(ata_dev_id_string);
+EXPORT_SYMBOL_GPL(ata_dev_config);
 EXPORT_SYMBOL_GPL(ata_scsi_simulate);
 
 #ifdef CONFIG_PCI
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index b18c90582e67..5c1d4411457a 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -59,6 +59,7 @@ enum {
 
         board_2037x             = 0,    /* FastTrak S150 TX2plus */
         board_20319             = 1,    /* FastTrak S150 TX4 */
+        board_20619             = 2,    /* FastTrak TX4000 */
 
         PDC_HAS_PATA            = (1 << 1), /* PDC20375 has PATA */
 
@@ -147,6 +148,17 @@ static struct ata_port_info pdc_port_info[] = {
                 .udma_mask      = 0x7f, /* udma0-6 ; FIXME */
                 .port_ops       = &pdc_ata_ops,
         },
+
+        /* board_20619 */
+        {
+                .sht            = &pdc_ata_sht,
+                .host_flags     = ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
+                                  ATA_FLAG_MMIO | ATA_FLAG_SLAVE_POSS,
+                .pio_mask       = 0x1f, /* pio0-4 */
+                .mwdma_mask     = 0x07, /* mwdma0-2 */
+                .udma_mask      = 0x7f, /* udma0-6 ; FIXME */
+                .port_ops       = &pdc_ata_ops,
+        },
 };
 
 static struct pci_device_id pdc_ata_pci_tbl[] = {
@@ -172,6 +184,9 @@ static struct pci_device_id pdc_ata_pci_tbl[] = {
         { PCI_VENDOR_ID_PROMISE, 0x3d18, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
           board_20319 },
 
+        { PCI_VENDOR_ID_PROMISE, 0x6629, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+          board_20619 },
+
         { }     /* terminate list */
 };
 
@@ -636,6 +651,15 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
         case board_2037x:
                 probe_ent->n_ports = 2;
                 break;
+        case board_20619:
+                probe_ent->n_ports = 4;
+
+                pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
+                pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
+
+                probe_ent->port[2].scr_addr = base + 0x600;
+                probe_ent->port[3].scr_addr = base + 0x700;
+                break;
         default:
                 BUG();
                 break;
@@ -676,7 +700,7 @@ static void __exit pdc_ata_exit(void)
 
 
 MODULE_AUTHOR("Jeff Garzik");
-MODULE_DESCRIPTION("Promise SATA TX2/TX4 low-level driver");
+MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, pdc_ata_pci_tbl);
 MODULE_VERSION(DRV_VERSION);
diff --git a/drivers/scsi/sata_svw.c b/drivers/scsi/sata_svw.c
index edef1fa969fc..858e07185dbd 100644
--- a/drivers/scsi/sata_svw.c
+++ b/drivers/scsi/sata_svw.c
@@ -49,7 +49,7 @@
 #endif /* CONFIG_PPC_OF */
 
 #define DRV_NAME        "sata_svw"
-#define DRV_VERSION     "1.05"
+#define DRV_VERSION     "1.06"
 
 /* Taskfile registers offsets */
 #define K2_SATA_TF_CMD_OFFSET           0x00
@@ -344,6 +344,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
         void *mmio_base;
         int pci_dev_busy = 0;
         int rc;
+        int i;
 
         if (!printed_version++)
                 printk(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n");
@@ -421,11 +422,11 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
         probe_ent->mwdma_mask = 0x7;
         probe_ent->udma_mask = 0x7f;
 
-        /* We have 4 ports per PCI function */
-        k2_sata_setup_port(&probe_ent->port[0], base + 0 * K2_SATA_PORT_OFFSET);
-        k2_sata_setup_port(&probe_ent->port[1], base + 1 * K2_SATA_PORT_OFFSET);
-        k2_sata_setup_port(&probe_ent->port[2], base + 2 * K2_SATA_PORT_OFFSET);
-        k2_sata_setup_port(&probe_ent->port[3], base + 3 * K2_SATA_PORT_OFFSET);
+        /* different controllers have different number of ports - currently 4 or 8 */
+        /* All ports are on the same function. Multi-function device is no
+         * longer available. This should not be seen in any system. */
+        for (i = 0; i < ent->driver_data; i++)
+                k2_sata_setup_port(&probe_ent->port[i], base + i * K2_SATA_PORT_OFFSET);
 
         pci_set_master(pdev);
 
@@ -445,11 +446,17 @@ err_out:
         return rc;
 }
 
-
+/* 0x240 is device ID for Apple K2 device
+ * 0x241 is device ID for Serverworks Frodo4
+ * 0x242 is device ID for Serverworks Frodo8
+ * 0x24a is device ID for BCM5785 (aka HT1000) HT southbridge integrated SATA
+ * controller
+ * */
 static struct pci_device_id k2_sata_pci_tbl[] = {
-        { 0x1166, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
-        { 0x1166, 0x0241, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
-        { 0x1166, 0x0242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+        { 0x1166, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
+        { 0x1166, 0x0241, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
+        { 0x1166, 0x0242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 },
+        { 0x1166, 0x024a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
         { }
 };