>From 952973b812c65eb2a7d70ed8c333b7837fb39191 Mon Sep 17 00:00:00 2001
From: Sakthivel K <sakthivel.saravanankamalr...@pmcs.com>
Date: Mon, 4 Feb 2013 18:02:22 +0530
Subject: [PATCH 07/15] pm80xx: MSI-X implementation for using 64 interrupts

Implementation of 64 interrupt handlers and tasklets to support
upto 64 interrupt for the device.

Signed-off-by: Sakthivel K <dl.team.pmc.spc.linux.open.sou...@pmcs.com>
Signed-off-by: Anand Kumar S <dl.team.pmc.spc.linux.open.sou...@pmcs.com>
---
 drivers/scsi/pm8001/pm8001_init.c | 1233
++++++++++++++++++++++++++++++++++++-
 1 files changed, 1203 insertions(+), 30 deletions(-)

diff --git a/drivers/scsi/pm8001/pm8001_init.c
b/drivers/scsi/pm8001/pm8001_init.c
index e8a983f..f0c5075 100755
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -163,7 +163,13 @@ static void pm8001_free(struct pm8001_hba_info
*pm8001_ha)
 }

 #ifdef PM8001_USE_TASKLET
-static void pm8001_tasklet(unsigned long opaque)
+
+/**
+ * tasklets for 64 msi-x interrupt handlers
+ * @opaque: the passed general host adapter struct
+ * Note: pm8001_tasklet0 is common for pm8001 & pm80xx
+ */
+static void pm8001_tasklet0(unsigned long opaque)
 {
        struct pm8001_hba_info *pm8001_ha;
        pm8001_ha = (struct pm8001_hba_info *)opaque;
@@ -171,16 +177,521 @@ static void pm8001_tasklet(unsigned long opaque)
                BUG_ON(1);
        PM8001_CHIP_DISP->isr(pm8001_ha, 0);
 }
+static void pm8001_tasklet1(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 1);
+}
+static void pm8001_tasklet2(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 2);
+}
+static void pm8001_tasklet3(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 3);
+}
+static void pm8001_tasklet4(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 4);
+}
+static void pm8001_tasklet5(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 5);
+}
+static void pm8001_tasklet6(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 6);
+}
+static void pm8001_tasklet7(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 7);
+}
+static void pm8001_tasklet8(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 8);
+}
+static void pm8001_tasklet9(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 9);
+}
+static void pm8001_tasklet10(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 10);
+}
+static void pm8001_tasklet11(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 11);
+}
+static void pm8001_tasklet12(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 12);
+}
+static void pm8001_tasklet13(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 13);
+}
+static void pm8001_tasklet14(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 14);
+}
+static void pm8001_tasklet15(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 15);
+}
+static void pm8001_tasklet16(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 16);
+}
+static void pm8001_tasklet17(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 17);
+}
+static void pm8001_tasklet18(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 18);
+}
+static void pm8001_tasklet19(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 19);
+}
+static void pm8001_tasklet20(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 20);
+}
+static void pm8001_tasklet21(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 21);
+}
+static void pm8001_tasklet22(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 22);
+}
+static void pm8001_tasklet23(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 23);
+}
+static void pm8001_tasklet24(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 24);
+}
+static void pm8001_tasklet25(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 25);
+}
+static void pm8001_tasklet26(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 26);
+}
+static void pm8001_tasklet27(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 27);
+}
+static void pm8001_tasklet28(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 28);
+}
+static void pm8001_tasklet29(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 29);
+}
+static void pm8001_tasklet30(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 30);
+}
+static void pm8001_tasklet31(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 31);
+}
+static void pm8001_tasklet32(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 32);
+}
+static void pm8001_tasklet33(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 33);
+}
+static void pm8001_tasklet34(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 34);
+}
+static void pm8001_tasklet35(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 35);
+}
+static void pm8001_tasklet36(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 36);
+}
+static void pm8001_tasklet37(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 37);
+}
+static void pm8001_tasklet38(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 38);
+}
+static void pm8001_tasklet39(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 39);
+}
+static void pm8001_tasklet40(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 40);
+}
+static void pm8001_tasklet41(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 41);
+}
+static void pm8001_tasklet42(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 42);
+}
+static void pm8001_tasklet43(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 43);
+}
+static void pm8001_tasklet44(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 44);
+}
+static void pm8001_tasklet45(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 45);
+}
+static void pm8001_tasklet46(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 46);
+}
+static void pm8001_tasklet47(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 47);
+}
+static void pm8001_tasklet48(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 48);
+}
+static void pm8001_tasklet49(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 49);
+}
+static void pm8001_tasklet50(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 50);
+}
+static void pm8001_tasklet51(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 51);
+}
+static void pm8001_tasklet52(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 52);
+}
+static void pm8001_tasklet53(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 53);
+}
+static void pm8001_tasklet54(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 54);
+}
+static void pm8001_tasklet55(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 55);
+}
+static void pm8001_tasklet56(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 56);
+}
+static void pm8001_tasklet57(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 57);
+}
+static void pm8001_tasklet58(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 58);
+}
+static void pm8001_tasklet59(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 59);
+}
+static void pm8001_tasklet60(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 60);
+}
+static void pm8001_tasklet61(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 61);
+}
+static void pm8001_tasklet62(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 62);
+}
+static void pm8001_tasklet63(unsigned long opaque)
+{
+       struct pm8001_hba_info *pm8001_ha;
+       pm8001_ha = (struct pm8001_hba_info *)opaque;
+       if (unlikely(!pm8001_ha))
+               BUG_ON(1);
+       PM8001_CHIP_DISP->isr(pm8001_ha, 63);
+}
 #endif

+/**
+ * pm8001_interrupt_handler_x -main interrupt handler invokde for all
interrupt.
+ * It obtains the vector number and calls the equivalent bottom half or
services
+ * directly.
+ * @vec: vector number; will be 0 for none msi-x operation
+ * @opaque: the passed general host adapter struct
+ */

- /**
-  * pm8001_interrupt - when HBA originate a interrupt,we should invoke this
-  * dispatcher to handle each case.
-  * @irq: irq number.
-  * @opaque: the passed general host adapter struct
-  */
-static irqreturn_t pm8001_interrupt(int irq, void *opaque)
+static inline irqreturn_t pm8001_interrupt_handler_x(int vec, void *opaque)
 {
        struct pm8001_hba_info *pm8001_ha;
        irqreturn_t ret = IRQ_HANDLED;
@@ -191,13 +702,372 @@ static irqreturn_t pm8001_interrupt(int irq, void
*opaque)
        if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
                return IRQ_NONE;
 #ifdef PM8001_USE_TASKLET
-       tasklet_schedule(&pm8001_ha->tasklet);
+       tasklet_schedule(&pm8001_ha->tasklet[vec]);
 #else
        ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0);
 #endif
        return ret;
 }

+/* 64 interrupt handlers for 64 msi-x vectors */
+static irqreturn_t pm8001_interrupt_handler0(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(0, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler1(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(1, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler2(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(2, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler3(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(3, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler4(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(4, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler5(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(5, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler6(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(6, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler7(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(7, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler8(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(8, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler9(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(9, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler10(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(10, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler11(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(11, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler12(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(12, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler13(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(13, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler14(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(14, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler15(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(15, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler16(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(16, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler17(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(17, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler18(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(18, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler19(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(19, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler20(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(20, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler21(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(21, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler22(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(22, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler23(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(23, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler24(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(24, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler25(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(25, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler26(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(26, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler27(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(27, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler28(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(28, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler29(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(29, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler30(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(30, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler31(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(31, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler32(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(32, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler33(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(33, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler34(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(34, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler35(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(35, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler36(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(36, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler37(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(37, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler38(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(38, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler39(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(39, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler40(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(40, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler41(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(41, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler42(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(42, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler43(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(43, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler44(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(44, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler45(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(45, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler46(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(46, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler47(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(47, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler48(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(48, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler49(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(49, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler50(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(50, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler51(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(51, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler52(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(52, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler53(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(53, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler54(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(54, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler55(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(55, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler56(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(56, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler57(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(57, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler58(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(58, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler59(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(59, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler60(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(60, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler61(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(61, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler62(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(62, dev_id);
+}
+
+static irqreturn_t pm8001_interrupt_handler63(int irq, void *dev_id)
+{
+       return pm8001_interrupt_handler_x(63, dev_id);
+}
+
+/* array of 64 interrupt handlers used during request_irq for msi-x int */
+/* pm8001_interrupt_handler0 routine is common for pm8001 & pm80xx */
+static irqreturn_t (*pm8001_interrupt[PM8001_MAX_MSIX_VEC])
+               (int vec, void *dev_id) = {
+       pm8001_interrupt_handler0, pm8001_interrupt_handler1,
+       pm8001_interrupt_handler2, pm8001_interrupt_handler3,
+       pm8001_interrupt_handler4, pm8001_interrupt_handler5,
+       pm8001_interrupt_handler6, pm8001_interrupt_handler7,
+       pm8001_interrupt_handler8, pm8001_interrupt_handler9,
+       pm8001_interrupt_handler10, pm8001_interrupt_handler11,
+       pm8001_interrupt_handler12, pm8001_interrupt_handler13,
+       pm8001_interrupt_handler14, pm8001_interrupt_handler15,
+       pm8001_interrupt_handler16, pm8001_interrupt_handler17,
+       pm8001_interrupt_handler18, pm8001_interrupt_handler19,
+       pm8001_interrupt_handler20, pm8001_interrupt_handler21,
+       pm8001_interrupt_handler22, pm8001_interrupt_handler23,
+       pm8001_interrupt_handler24, pm8001_interrupt_handler25,
+       pm8001_interrupt_handler26, pm8001_interrupt_handler27,
+       pm8001_interrupt_handler28, pm8001_interrupt_handler29,
+       pm8001_interrupt_handler30, pm8001_interrupt_handler31,
+       pm8001_interrupt_handler32, pm8001_interrupt_handler33,
+       pm8001_interrupt_handler34, pm8001_interrupt_handler35,
+       pm8001_interrupt_handler36, pm8001_interrupt_handler37,
+       pm8001_interrupt_handler38, pm8001_interrupt_handler39,
+       pm8001_interrupt_handler40, pm8001_interrupt_handler41,
+       pm8001_interrupt_handler42, pm8001_interrupt_handler43,
+       pm8001_interrupt_handler44, pm8001_interrupt_handler45,
+       pm8001_interrupt_handler46, pm8001_interrupt_handler47,
+       pm8001_interrupt_handler48, pm8001_interrupt_handler49,
+       pm8001_interrupt_handler50, pm8001_interrupt_handler51,
+       pm8001_interrupt_handler52, pm8001_interrupt_handler53,
+       pm8001_interrupt_handler54, pm8001_interrupt_handler55,
+       pm8001_interrupt_handler56, pm8001_interrupt_handler57,
+       pm8001_interrupt_handler58, pm8001_interrupt_handler59,
+       pm8001_interrupt_handler60, pm8001_interrupt_handler61,
+       pm8001_interrupt_handler62, pm8001_interrupt_handler63
+};
+
 /**
  * pm8001_alloc - initiate our hba structure and 6 DMAs area.
  * @pm8001_ha:our hba structure.
@@ -431,8 +1301,141 @@ static struct pm8001_hba_info
*pm8001_pci_alloc(struct pci_dev *pdev,
                pm8001_ha->iomb_size = IOMB_SIZE_SPC;

 #ifdef PM8001_USE_TASKLET
-       tasklet_init(&pm8001_ha->tasklet, pm8001_tasklet,
-               (unsigned long)pm8001_ha);
+       /**
+       * default tasklet for non msi-x interrupt handler/first msi-x
+       * interrupt handler
+       **/
+       tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet0,
+                       (unsigned long)pm8001_ha);
+       /* 63 tasklets for msi-x interrupt */
+       if (pm8001_ha->chip_id != chip_8001) {
+               tasklet_init(&pm8001_ha->tasklet[1], pm8001_tasklet1,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[2], pm8001_tasklet2,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[3], pm8001_tasklet3,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[4], pm8001_tasklet4,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[5], pm8001_tasklet5,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[6], pm8001_tasklet6,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[7], pm8001_tasklet7,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[8], pm8001_tasklet8,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[9], pm8001_tasklet9,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[10], pm8001_tasklet10,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[11], pm8001_tasklet11,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[12], pm8001_tasklet12,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[13], pm8001_tasklet13,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[14], pm8001_tasklet14,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[15], pm8001_tasklet15,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[16], pm8001_tasklet16,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[17], pm8001_tasklet17,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[18], pm8001_tasklet18,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[19], pm8001_tasklet19,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[20], pm8001_tasklet20,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[21], pm8001_tasklet21,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[22], pm8001_tasklet22,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[23], pm8001_tasklet23,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[24], pm8001_tasklet24,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[25], pm8001_tasklet25,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[26], pm8001_tasklet26,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[27], pm8001_tasklet27,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[28], pm8001_tasklet28,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[29], pm8001_tasklet29,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[30], pm8001_tasklet30,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[31], pm8001_tasklet31,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[32], pm8001_tasklet32,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[33], pm8001_tasklet33,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[34], pm8001_tasklet34,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[35], pm8001_tasklet35,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[36], pm8001_tasklet36,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[37], pm8001_tasklet37,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[38], pm8001_tasklet38,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[39], pm8001_tasklet39,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[40], pm8001_tasklet40,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[41], pm8001_tasklet41,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[42], pm8001_tasklet42,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[43], pm8001_tasklet43,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[44], pm8001_tasklet44,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[45], pm8001_tasklet45,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[46], pm8001_tasklet46,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[47], pm8001_tasklet47,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[48], pm8001_tasklet48,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[49], pm8001_tasklet49,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[50], pm8001_tasklet50,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[51], pm8001_tasklet51,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[52], pm8001_tasklet52,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[53], pm8001_tasklet53,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[54], pm8001_tasklet54,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[55], pm8001_tasklet55,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[56], pm8001_tasklet56,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[57], pm8001_tasklet57,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[58], pm8001_tasklet58,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[59], pm8001_tasklet59,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[60], pm8001_tasklet60,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[61], pm8001_tasklet61,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[62], pm8001_tasklet62,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[63], pm8001_tasklet63,
+                                               (unsigned long)pm8001_ha);
+       }
 #endif
        pm8001_ioremap(pm8001_ha);
        if (!pm8001_alloc(pm8001_ha, ent))
@@ -595,26 +1598,41 @@ static void pm8001_init_sas_add(struct
pm8001_hba_info *pm8001_ha)
  * @chip_info: our ha struct.
  * @irq_handler: irq_handler
  */
-static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha,
-       irq_handler_t irq_handler)
+static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
 {
        u32 i = 0, j = 0;
-       u32 number_of_intr = 1;
+       u32 number_of_intr;
        int flag = 0;
        u32 max_entry;
        int rc;
+       static char intr_drvname[PM8001_MAX_MSIX_VEC][sizeof(DRV_NAME)+3];
+
+       /* SPCv controllers supports 64 msi-x */
+       if (pm8001_ha->chip_id == chip_8001) {
+               number_of_intr = 1;
+               flag |= IRQF_DISABLED;
+       } else {
+               number_of_intr = PM8001_MAX_MSIX_VEC;
+               flag &= ~IRQF_SHARED;
+               flag |= IRQF_DISABLED;
+       }
+
        max_entry = sizeof(pm8001_ha->msix_entries) /
                sizeof(pm8001_ha->msix_entries[0]);
-       flag |= IRQF_DISABLED;
        for (i = 0; i < max_entry ; i++)
                pm8001_ha->msix_entries[i].entry = i;
        rc = pci_enable_msix(pm8001_ha->pdev, pm8001_ha->msix_entries,
                number_of_intr);
        pm8001_ha->number_of_intr = number_of_intr;
        if (!rc) {
+               PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
+                       "pci_enable_msix request ret:%d no of intr %d\n",
+                                       rc, pm8001_ha->number_of_intr));
                for (i = 0; i < number_of_intr; i++) {
+                       snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
+                                       DRV_NAME"%d", i);
                        if (request_irq(pm8001_ha->msix_entries[i].vector,
-                               irq_handler, flag, DRV_NAME,
+                               pm8001_interrupt[i], flag, intr_drvname[i],
                                SHOST_TO_SAS_HA(pm8001_ha->shost))) {
                                for (j = 0; j < i; j++)
                                        free_irq(
@@ -636,22 +1654,24 @@ static u32 pm8001_setup_msix(struct
pm8001_hba_info *pm8001_ha,
 static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha)
 {
        struct pci_dev *pdev;
-       irq_handler_t irq_handler = pm8001_interrupt;
        int rc;

        pdev = pm8001_ha->pdev;

 #ifdef PM8001_USE_MSIX
        if (pci_find_capability(pdev, PCI_CAP_ID_MSIX))
-               return pm8001_setup_msix(pm8001_ha, irq_handler);
-       else
+               return pm8001_setup_msix(pm8001_ha);
+       else {
+               PM8001_INIT_DBG(pm8001_ha,
+                       pm8001_printk("MSIX not supported!!!\n"));
                goto intx;
+       }
 #endif

 intx:
        /* initialize the INT-X interrupt */
-       rc = request_irq(pdev->irq, irq_handler, IRQF_SHARED, DRV_NAME,
-               SHOST_TO_SAS_HA(pm8001_ha->shost));
+       rc = request_irq(pdev->irq, pm8001_interrupt_handler0, IRQF_SHARED,
+               DRV_NAME, SHOST_TO_SAS_HA(pm8001_ha->shost));
        return rc;
 }

@@ -669,6 +1689,7 @@ static int pm8001_pci_probe(struct pci_dev *pdev,
 {
        unsigned int rc;
        u32     pci_reg;
+       u8      i = 0;
        struct pm8001_hba_info *pm8001_ha;
        struct Scsi_Host *shost = NULL;
        const struct pm8001_chip_info *chip;
@@ -733,6 +1754,11 @@ static int pm8001_pci_probe(struct pci_dev *pdev,
                goto err_out_shost;

        PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
+       if (pm8001_ha->chip_id != chip_8001) {
+               for (i = 1; i < pm8001_ha->number_of_intr; i++)
+                       PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
+       }
+
        pm8001_init_sas_add(pm8001_ha);
        pm8001_post_sas_ha_init(shost, chip);
        rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
@@ -768,7 +1794,7 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
        sas_remove_host(pm8001_ha->shost);
        list_del(&pm8001_ha->list);
        scsi_remove_host(pm8001_ha->shost);
-       PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0);
+       PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
        PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha, 0x252acbcd);

 #ifdef PM8001_USE_MSIX
@@ -781,7 +1807,11 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
        free_irq(pm8001_ha->irq, sha);
 #endif
 #ifdef PM8001_USE_TASKLET
-       tasklet_kill(&pm8001_ha->tasklet);
+       tasklet_kill(&pm8001_ha->tasklet[0]);
+       if (pm8001_ha->chip_id != chip_8001) {
+               for (i = 1; i < (PM8001_MAX_MSIX_VEC); i++)
+                       tasklet_kill(&pm8001_ha->tasklet[i]);
+       }
 #endif
        pm8001_free(pm8001_ha);
        kfree(sha->sas_phy);
@@ -812,7 +1842,7 @@ static int pm8001_pci_suspend(struct pci_dev *pdev,
pm_message_t state)
                printk(KERN_ERR " PCI PM not supported\n");
                return -ENODEV;
        }
-       PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0);
+       PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
        PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha, 0x252acbcd);
 #ifdef PM8001_USE_MSIX
        for (i = 0; i < pm8001_ha->number_of_intr; i++)
@@ -824,7 +1854,11 @@ static int pm8001_pci_suspend(struct pci_dev
*pdev, pm_message_t state)
        free_irq(pm8001_ha->irq, sha);
 #endif
 #ifdef PM8001_USE_TASKLET
-       tasklet_kill(&pm8001_ha->tasklet);
+       tasklet_kill(&pm8001_ha->tasklet[0]);
+       if (pm8001_ha->chip_id != chip_8001) {
+               for (i = 1; i < (PM8001_MAX_MSIX_VEC); i++)
+                       tasklet_kill(&pm8001_ha->tasklet[i]);
+       }
 #endif
        device_state = pci_choose_state(pdev, state);
        pm8001_printk("pdev=0x%p, slot=%s, entering "
@@ -847,6 +1881,7 @@ static int pm8001_pci_resume(struct pci_dev *pdev)
        struct sas_ha_struct *sha = pci_get_drvdata(pdev);
        struct pm8001_hba_info *pm8001_ha;
        int rc;
+       u8 i = 0;
        u32 device_state;
        pm8001_ha = sha->lldd_ha;
        device_state = pdev->current_state;
@@ -873,15 +1908,153 @@ static int pm8001_pci_resume(struct pci_dev *pdev)
        rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
        if (rc)
                goto err_out_disable;
-       PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0);
+
+       /* disable all the interrupt bits */
+       PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
+
        rc = pm8001_request_irq(pm8001_ha);
        if (rc)
                goto err_out_disable;
-       #ifdef PM8001_USE_TASKLET
-       tasklet_init(&pm8001_ha->tasklet, pm8001_tasklet,
-                   (unsigned long)pm8001_ha);
-       #endif
+#ifdef PM8001_USE_TASKLET
+       /* default tasklet for non msi-x interrupt handler/first msi-x
+       * interrupt handler */
+       tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet0,
+                       (unsigned long)pm8001_ha);
+       /* 63 tasklets for msi-x interrupt */
+       if (pm8001_ha->chip_id != chip_8001) {
+               tasklet_init(&pm8001_ha->tasklet[1], pm8001_tasklet1,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[2], pm8001_tasklet2,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[3], pm8001_tasklet3,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[4], pm8001_tasklet4,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[5], pm8001_tasklet5,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[6], pm8001_tasklet6,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[7], pm8001_tasklet7,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[8], pm8001_tasklet8,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[9], pm8001_tasklet9,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[10], pm8001_tasklet10,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[11], pm8001_tasklet11,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[12], pm8001_tasklet12,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[13], pm8001_tasklet13,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[14], pm8001_tasklet14,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[15], pm8001_tasklet15,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[16], pm8001_tasklet16,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[17], pm8001_tasklet17,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[18], pm8001_tasklet18,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[19], pm8001_tasklet19,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[20], pm8001_tasklet20,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[21], pm8001_tasklet21,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[22], pm8001_tasklet22,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[23], pm8001_tasklet23,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[24], pm8001_tasklet24,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[25], pm8001_tasklet25,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[26], pm8001_tasklet26,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[27], pm8001_tasklet27,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[28], pm8001_tasklet28,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[29], pm8001_tasklet29,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[30], pm8001_tasklet30,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[31], pm8001_tasklet31,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[32], pm8001_tasklet32,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[33], pm8001_tasklet33,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[34], pm8001_tasklet34,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[35], pm8001_tasklet35,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[36], pm8001_tasklet36,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[37], pm8001_tasklet37,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[38], pm8001_tasklet38,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[39], pm8001_tasklet39,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[40], pm8001_tasklet40,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[41], pm8001_tasklet41,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[42], pm8001_tasklet42,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[43], pm8001_tasklet43,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[44], pm8001_tasklet44,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[45], pm8001_tasklet45,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[46], pm8001_tasklet46,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[47], pm8001_tasklet47,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[48], pm8001_tasklet48,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[49], pm8001_tasklet49,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[50], pm8001_tasklet50,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[51], pm8001_tasklet51,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[52], pm8001_tasklet52,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[53], pm8001_tasklet53,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[54], pm8001_tasklet54,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[55], pm8001_tasklet55,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[56], pm8001_tasklet56,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[57], pm8001_tasklet57,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[58], pm8001_tasklet58,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[59], pm8001_tasklet59,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[60], pm8001_tasklet60,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[61], pm8001_tasklet61,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[62], pm8001_tasklet62,
+                                               (unsigned long)pm8001_ha);
+               tasklet_init(&pm8001_ha->tasklet[63], pm8001_tasklet63,
+                                               (unsigned long)pm8001_ha);
+       }
+#endif
        PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
+       if (pm8001_ha->chip_id != chip_8001) {
+               for (i = 1; i < pm8001_ha->number_of_intr; i++)
+                       PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
+       }
        scsi_unblock_requests(pm8001_ha->shost);
        return 0;

-- 
1.7.1

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