[Patch 3/6] megaraid_sas: function pointer for disable interrupt
From: Sumant Patro
Date: Tue Oct 03 2006 - 20:53:12 EST
Resubmitting.
This patch adds function pointer to invoke disable interrupt for
xscale and ppc IOP based controllers. Removes old implementation that checks
for controller type in megasas_disable_intr.
Signed-off-by: Sumant Patro <Sumant.Patro@xxxxxxxx>
diff -uprN linux2.6-orig/drivers/scsi/megaraid/megaraid_sas.c linux2.6/drivers/scsi/megaraid/megaraid_sas.c
--- linux2.6-orig/drivers/scsi/megaraid/megaraid_sas.c 2006-10-02 11:07:59.000000000 -0700
+++ linux2.6/drivers/scsi/megaraid/megaraid_sas.c 2006-10-02 11:09:33.000000000 -0700
@@ -135,6 +135,19 @@ megasas_enable_intr_xscale(struct megasa
}
/**
+ * megasas_disable_intr_xscale -Disables interrupt
+ * @regs: MFI register set
+ */
+static inline void
+megasas_disable_intr_xscale(struct megasas_register_set __iomem * regs)
+{
+ u32 mask = 0x1f;
+ writel(mask, ®s->outbound_intr_mask);
+ /* Dummy readl to force pci flush */
+ readl(®s->outbound_intr_mask);
+}
+
+/**
* megasas_read_fw_status_reg_xscale - returns the current FW status value
* @regs: MFI register set
*/
@@ -185,6 +198,7 @@ static struct megasas_instance_template
.fire_cmd = megasas_fire_cmd_xscale,
.enable_intr = megasas_enable_intr_xscale,
+ .disable_intr = megasas_disable_intr_xscale,
.clear_intr = megasas_clear_intr_xscale,
.read_fw_status_reg = megasas_read_fw_status_reg_xscale,
};
@@ -215,6 +229,19 @@ megasas_enable_intr_ppc(struct megasas_r
}
/**
+ * megasas_disable_intr_ppc - Disable interrupt
+ * @regs: MFI register set
+ */
+static inline void
+megasas_disable_intr_ppc(struct megasas_register_set __iomem * regs)
+{
+ u32 mask = 0xFFFFFFFF;
+ writel(mask, ®s->outbound_intr_mask);
+ /* Dummy readl to force pci flush */
+ readl(®s->outbound_intr_mask);
+}
+
+/**
* megasas_read_fw_status_reg_ppc - returns the current FW status value
* @regs: MFI register set
*/
@@ -265,6 +292,7 @@ static struct megasas_instance_template
.fire_cmd = megasas_fire_cmd_ppc,
.enable_intr = megasas_enable_intr_ppc,
+ .disable_intr = megasas_disable_intr_ppc,
.clear_intr = megasas_clear_intr_ppc,
.read_fw_status_reg = megasas_read_fw_status_reg_ppc,
};
@@ -275,25 +303,6 @@ static struct megasas_instance_template
*/
/**
- * megasas_disable_intr - Disables interrupts
- * @regs: MFI register set
- */
-static inline void
-megasas_disable_intr(struct megasas_instance *instance)
-{
- u32 mask = 0x1f;
- struct megasas_register_set __iomem *regs = instance->reg_set;
-
- if(instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1078R)
- mask = 0xffffffff;
-
- writel(mask, ®s->outbound_intr_mask);
-
- /* Dummy readl to force pci flush */
- readl(®s->outbound_intr_mask);
-}
-
-/**
* megasas_issue_polled - Issues a polling command
* @instance: Adapter soft state
* @cmd: Command packet to be issued
@@ -1293,7 +1302,7 @@ megasas_transition_to_ready(struct megas
/*
* Bring it to READY state; assuming max wait 10 secs
*/
- megasas_disable_intr(instance);
+ instance->instancet->disable_intr(instance->reg_set);
writel(MFI_RESET_FLAGS, &instance->reg_set->inbound_doorbell);
max_wait = 10;
@@ -1799,7 +1808,7 @@ static int megasas_init_mfi(struct megas
/*
* disable the intr before firing the init frame to FW
*/
- megasas_disable_intr(instance);
+ instance->instancet->disable_intr(instance->reg_set);
/*
* Issue the init frame in polled mode
@@ -2279,7 +2288,7 @@ megasas_probe_one(struct pci_dev *pdev,
megasas_mgmt_info.max_index--;
pci_set_drvdata(pdev, NULL);
- megasas_disable_intr(instance);
+ instance->instancet->disable_intr(instance->reg_set);
free_irq(instance->pdev->irq, instance);
megasas_release_mfi(instance);
@@ -2409,7 +2418,7 @@ static void megasas_detach_one(struct pc
pci_set_drvdata(instance->pdev, NULL);
- megasas_disable_intr(instance);
+ instance->instancet->disable_intr(instance->reg_set);
free_irq(instance->pdev->irq, instance);
diff -uprN linux2.6-orig/drivers/scsi/megaraid/megaraid_sas.h linux2.6/drivers/scsi/megaraid/megaraid_sas.h
--- linux2.6-orig/drivers/scsi/megaraid/megaraid_sas.h 2006-10-02 11:07:59.000000000 -0700
+++ linux2.6/drivers/scsi/megaraid/megaraid_sas.h 2006-10-02 11:09:33.000000000 -0700
@@ -1049,6 +1049,7 @@ struct megasas_evt_detail {
void (*fire_cmd)(dma_addr_t ,u32 ,struct megasas_register_set __iomem *);
void (*enable_intr)(struct megasas_register_set __iomem *) ;
+ void (*disable_intr)(struct megasas_register_set __iomem *);
int (*clear_intr)(struct megasas_register_set __iomem *);
diff -uprN linux2.6-orig/drivers/scsi/megaraid/megaraid_sas.c linux2.6/drivers/scsi/megaraid/megaraid_sas.c
--- linux2.6-orig/drivers/scsi/megaraid/megaraid_sas.c 2006-10-02 11:07:59.000000000 -0700
+++ linux2.6/drivers/scsi/megaraid/megaraid_sas.c 2006-10-02 11:09:33.000000000 -0700
@@ -135,6 +135,19 @@ megasas_enable_intr_xscale(struct megasa
}
/**
+ * megasas_disable_intr_xscale -Disables interrupt
+ * @regs: MFI register set
+ */
+static inline void
+megasas_disable_intr_xscale(struct megasas_register_set __iomem * regs)
+{
+ u32 mask = 0x1f;
+ writel(mask, ®s->outbound_intr_mask);
+ /* Dummy readl to force pci flush */
+ readl(®s->outbound_intr_mask);
+}
+
+/**
* megasas_read_fw_status_reg_xscale - returns the current FW status value
* @regs: MFI register set
*/
@@ -185,6 +198,7 @@ static struct megasas_instance_template
.fire_cmd = megasas_fire_cmd_xscale,
.enable_intr = megasas_enable_intr_xscale,
+ .disable_intr = megasas_disable_intr_xscale,
.clear_intr = megasas_clear_intr_xscale,
.read_fw_status_reg = megasas_read_fw_status_reg_xscale,
};
@@ -215,6 +229,19 @@ megasas_enable_intr_ppc(struct megasas_r
}
/**
+ * megasas_disable_intr_ppc - Disable interrupt
+ * @regs: MFI register set
+ */
+static inline void
+megasas_disable_intr_ppc(struct megasas_register_set __iomem * regs)
+{
+ u32 mask = 0xFFFFFFFF;
+ writel(mask, ®s->outbound_intr_mask);
+ /* Dummy readl to force pci flush */
+ readl(®s->outbound_intr_mask);
+}
+
+/**
* megasas_read_fw_status_reg_ppc - returns the current FW status value
* @regs: MFI register set
*/
@@ -265,6 +292,7 @@ static struct megasas_instance_template
.fire_cmd = megasas_fire_cmd_ppc,
.enable_intr = megasas_enable_intr_ppc,
+ .disable_intr = megasas_disable_intr_ppc,
.clear_intr = megasas_clear_intr_ppc,
.read_fw_status_reg = megasas_read_fw_status_reg_ppc,
};
@@ -275,25 +303,6 @@ static struct megasas_instance_template
*/
/**
- * megasas_disable_intr - Disables interrupts
- * @regs: MFI register set
- */
-static inline void
-megasas_disable_intr(struct megasas_instance *instance)
-{
- u32 mask = 0x1f;
- struct megasas_register_set __iomem *regs = instance->reg_set;
-
- if(instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1078R)
- mask = 0xffffffff;
-
- writel(mask, ®s->outbound_intr_mask);
-
- /* Dummy readl to force pci flush */
- readl(®s->outbound_intr_mask);
-}
-
-/**
* megasas_issue_polled - Issues a polling command
* @instance: Adapter soft state
* @cmd: Command packet to be issued
@@ -1293,7 +1302,7 @@ megasas_transition_to_ready(struct megas
/*
* Bring it to READY state; assuming max wait 10 secs
*/
- megasas_disable_intr(instance);
+ instance->instancet->disable_intr(instance->reg_set);
writel(MFI_RESET_FLAGS, &instance->reg_set->inbound_doorbell);
max_wait = 10;
@@ -1799,7 +1808,7 @@ static int megasas_init_mfi(struct megas
/*
* disable the intr before firing the init frame to FW
*/
- megasas_disable_intr(instance);
+ instance->instancet->disable_intr(instance->reg_set);
/*
* Issue the init frame in polled mode
@@ -2279,7 +2288,7 @@ megasas_probe_one(struct pci_dev *pdev,
megasas_mgmt_info.max_index--;
pci_set_drvdata(pdev, NULL);
- megasas_disable_intr(instance);
+ instance->instancet->disable_intr(instance->reg_set);
free_irq(instance->pdev->irq, instance);
megasas_release_mfi(instance);
@@ -2409,7 +2418,7 @@ static void megasas_detach_one(struct pc
pci_set_drvdata(instance->pdev, NULL);
- megasas_disable_intr(instance);
+ instance->instancet->disable_intr(instance->reg_set);
free_irq(instance->pdev->irq, instance);
diff -uprN linux2.6-orig/drivers/scsi/megaraid/megaraid_sas.h linux2.6/drivers/scsi/megaraid/megaraid_sas.h
--- linux2.6-orig/drivers/scsi/megaraid/megaraid_sas.h 2006-10-02 11:07:59.000000000 -0700
+++ linux2.6/drivers/scsi/megaraid/megaraid_sas.h 2006-10-02 11:09:33.000000000 -0700
@@ -1049,6 +1049,7 @@ struct megasas_evt_detail {
void (*fire_cmd)(dma_addr_t ,u32 ,struct megasas_register_set __iomem *);
void (*enable_intr)(struct megasas_register_set __iomem *) ;
+ void (*disable_intr)(struct megasas_register_set __iomem *);
int (*clear_intr)(struct megasas_register_set __iomem *);