[SCSI] hptiop: Add RR44xx adapter support

Most code changes were made to support RR44xx adapters.
- add more PCI device ID.
- using PCI BAR[2] to access RR44xx IOP.
- using PCI BAR[0] to check and clear RR44xx IRQ.

Signed-off-by: HighPoint Linux Team <linux@highpoint-tech.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/Documentation/scsi/hptiop.txt b/Documentation/scsi/hptiop.txt
index a6eb4ad..9605179 100644 (file)
--- a/Documentation/scsi/hptiop.txt
+++ b/Documentation/scsi/hptiop.txt
@@ -3,6 +3,25 @@ HIGHPOINT ROCKETRAID 3xxx/4xxx ADAPTER DRIVER (hptiop)
 Controller Register Map
 -------------------------
 
+For RR44xx Intel IOP based adapters, the controller IOP is accessed via PCI BAR0 and BAR2:
+
+     BAR0 offset    Register
+            0x11C5C Link Interface IRQ Set
+            0x11C60 Link Interface IRQ Clear
+
+     BAR2 offset    Register
+            0x10    Inbound Message Register 0
+            0x14    Inbound Message Register 1
+            0x18    Outbound Message Register 0
+            0x1C    Outbound Message Register 1
+            0x20    Inbound Doorbell Register
+            0x24    Inbound Interrupt Status Register
+            0x28    Inbound Interrupt Mask Register
+            0x30    Outbound Interrupt Status Register
+            0x34    Outbound Interrupt Mask Register
+            0x40    Inbound Queue Port
+            0x44    Outbound Queue Port
+
 For Intel IOP based adapters, the controller IOP is accessed via PCI BAR0:
 
      BAR0 offset    Register
@@ -93,7 +112,7 @@ The driver exposes following sysfs attributes:
 
 
 -----------------------------------------------------------------------------
-Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved.
+Copyright (C) 2006-2009 HighPoint Technologies, Inc. All Rights Reserved.
 
   This file is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of

diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index c596ab5..a0e7e71 100644 (file)
--- a/drivers/scsi/hptiop.c
+++ b/drivers/scsi/hptiop.c
@@ -1,6 +1,6 @@
 /*
  * HighPoint RR3xxx/4xxx controller driver for Linux
- * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved.
+ * Copyright (C) 2006-2009 HighPoint Technologies, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -41,7 +41,7 @@ MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
 
 static char driver_name[] = "hptiop";
 static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
-static const char driver_ver[] = "v1.3 (071203)";
+static const char driver_ver[] = "v1.6 (090910)";
 
 static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec);
 static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
@@ -115,9 +115,13 @@ static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba)
 static int iop_intr_itl(struct hptiop_hba *hba)
 {
        struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop;
+       void __iomem *plx = hba->u.itl.plx;
        u32 status;
        int ret = 0;
 
+       if (plx && readl(plx + 0x11C5C) & 0xf)
+               writel(1, plx + 0x11C60);
+
        status = readl(&iop->outbound_intstatus);
 
        if (status & IOPMU_OUTBOUND_INT_MSG0) {
@@ -460,15 +464,25 @@ static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
 
 static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
 {
+       struct pci_dev *pcidev = hba->pcidev;
        hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
-       if (hba->u.itl.iop)
-               return 0;
-       else
+       if (hba->u.itl.iop == NULL)
                return -1;
+       if ((pcidev->device & 0xff00) == 0x4400) {
+               hba->u.itl.plx = hba->u.itl.iop;
+               hba->u.itl.iop = hptiop_map_pci_bar(hba, 2);
+               if (hba->u.itl.iop == NULL) {
+                       iounmap(hba->u.itl.plx);
+                       return -1;
+               }
+       }
+       return 0;
 }
 
 static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
 {
+       if (hba->u.itl.plx)
+               iounmap(hba->u.itl.plx);
        iounmap(hba->u.itl.iop);
 }
 
@@ -1239,22 +1253,23 @@ static struct hptiop_adapter_ops hptiop_mv_ops = {
 static struct pci_device_id hptiop_id_table[] = {
        { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
-       { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
-       { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
+       { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
+       { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
-       { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
-       { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops },
+       { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops },
-       { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops },
-       { PCI_VDEVICE(TTI, 0x4321), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x4210), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x4211), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x4310), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x4311), (kernel_ulong_t)&hptiop_itl_ops },
+       { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
+       { PCI_VDEVICE(TTI, 0x4321), (kernel_ulong_t)&hptiop_itl_ops },
+       { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops },
+       { PCI_VDEVICE(TTI, 0x4400), (kernel_ulong_t)&hptiop_itl_ops },
        { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
        { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
        { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },

diff --git a/drivers/scsi/hptiop.h b/drivers/scsi/hptiop.h
index a0289f2..0b871c0 100644 (file)
--- a/drivers/scsi/hptiop.h
+++ b/drivers/scsi/hptiop.h
@@ -1,6 +1,6 @@
 /*
  * HighPoint RR3xxx/4xxx controller driver for Linux
- * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved.
+ * Copyright (C) 2006-2009 HighPoint Technologies, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -228,6 +228,7 @@ struct hptiop_hba {
        union {
                struct {
                        struct hpt_iopmu_itl __iomem *iop;
+                       void __iomem *plx;
                } itl;
                struct {
                        struct hpt_iopmv_regs *regs;