[PATCH 3/5] SCSI: Support MSI and MSI-X
From: Nick Cheng
Support MSI or MSI-X for whole series of RAID controllers. Meanwhole correct
the register access as iowrite32/ioread32
Signed-off-by: Nick Cheng< nick.ch...@areca.com.tw >
---
diff -uprN -X linux-vanilla/Documentation/dontdiff
linux-vanilla//drivers/scsi/arcmsr/arcmsr.h
linux-development//drivers/scsi/arcmsr/arcmsr.h
--- linux-vanilla//drivers/scsi/arcmsr/arcmsr.h 2012-10-03
19:16:18.114629695 +0800
+++ linux-development//drivers/scsi/arcmsr/arcmsr.h 2012-10-03
19:17:44.826628853 +0800
@@ -63,7 +63,8 @@ struct device_attribute;
#define ARCMSR_DEFAULT_SG_ENTRIES
38
#define ARCMSR_MAX_HBB_POSTQUEUE
264
#define ARCMSR_MAX_XFER_LEN
0x26000 /* 152K */
-#define ARCMSR_CDB_SG_PAGE_LENGTH
256
+#define ARCMSR_CDB_SG_PAGE_LENGTH
256
+#define ARCMST_NUM_MSIX_VECTORS4
#ifndef PCI_DEVICE_ID_ARECA_1880
#define PCI_DEVICE_ID_ARECA_1880 0x1880
#endif
@@ -508,6 +509,7 @@ struct AdapterControlBlock
struct pci_dev *pdev;
struct Scsi_Host * host;
unsigned long vir2phy_offset;
+ struct msix_entry
entries[ARCMST_NUM_MSIX_VECTORS];
/* Offset is used in making arc cdb physical to virtual calculations
*/
uint32_toutbound_int_enable;
uint32_tcdb_phyaddr_hi32;
@@ -544,6 +546,8 @@ struct AdapterControlBlock
/* iop init */
#define ACB_F_ABORT 0x0200
#define ACB_F_FIRMWARE_TRAP 0x0400
+ #define ACB_F_MSI_ENABLED 0x1000
+ #define ACB_F_MSIX_ENABLED 0x2000
struct CommandControlBlock *
pccb_pool[ARCMSR_MAX_FREECCB_NUM];
/* used for memory free */
struct list_headccb_free_list;
diff -uprN -X linux-vanilla/Documentation/dontdiff
linux-vanilla//drivers/scsi/arcmsr/arcmsr_hba.c
linux-development//drivers/scsi/arcmsr/arcmsr_hba.c
--- linux-vanilla//drivers/scsi/arcmsr/arcmsr_hba.c 2012-10-03
19:16:18.214629692 +0800
+++ linux-development//drivers/scsi/arcmsr/arcmsr_hba.c 2012-10-03
19:17:44.834628853 +0800
@@ -61,7 +61,6 @@
#include
#include
#include
-#include
#include
#include
#include
@@ -82,7 +81,7 @@ MODULE_VERSION(ARCMSR_DRIVER_VERSION);
wait_queue_head_t wait_q;
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd);
-static int arcmsr_iop_confirm(struct AdapterControlBlock *acb);
+static void arcmsr_iop_confirm(struct AdapterControlBlock *acb);
static int arcmsr_abort(struct scsi_cmnd *);
static int arcmsr_bus_reset(struct scsi_cmnd *);
static int arcmsr_bios_param(struct scsi_device *sdev,
@@ -97,6 +96,8 @@ static void arcmsr_shutdown(struct pci_d
static void arcmsr_iop_init(struct AdapterControlBlock *acb);
static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb);
static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb);
+static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
+ u32 intmask_org);
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb);
static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb);
@@ -227,8 +228,8 @@ static bool arcmsr_remap_pciregion(struc
printk(KERN_NOTICE "arcmsr%d: memory mapping region
fail \n", acb->host->host_no);
return false;
}
- if (readl(>pmuC->outbound_doorbell) &
ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
-
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
>pmuC->outbound_doorbell_clear);/*clear interrupt*/
+ if (ioread32(>pmuC->outbound_doorbell) &
ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+
iowrite32(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
>pmuC->outbound_doorbell_clear);/*clear interrupt*/
return true;
}
break;
@@ -357,9 +358,9 @@ static uint8_t arcmsr_hbaC_wait_msgint_r
int i;
for (i = 0; i < 2000; i++) {
- if (readl(>outbound_doorbell)
+ if (ioread32(>outbound_doorbell)
& ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
-
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
+
iowrite32(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
>outbound_doorbell_clear); /*clear
interrupt*/
return true;
}
@@ -404,9 +405,11 @@ static void arcmsr_hbaB_flush_cache(stru
static void arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
- int retry_count = 30;/* enlarge wait flush adapter cache time: 10
minute */
-
[PATCH 3/5] SCSI: Support MSI and MSI-X
From: Nick Cheng
Support MSI or MSI-X for whole series of RAID controllers. Meanwhole correct
the register access as iowrite32/ioread32
Signed-off-by: Nick Cheng< nick.ch...@areca.com.tw >
diff -uprN -X linux-vanilla/Documentation/dontdiff
linux-vanilla//drivers/scsi/arcmsr/arcmsr.h
linux-development//drivers/scsi/arcmsr/arcmsr.h
--- linux-vanilla//drivers/scsi/arcmsr/arcmsr.h 2012-10-03
19:16:18.114629695 +0800
+++ linux-development//drivers/scsi/arcmsr/arcmsr.h 2012-10-03
19:17:44.826628853 +0800
@@ -63,7 +63,8 @@ struct device_attribute;
#define ARCMSR_DEFAULT_SG_ENTRIES
38
#define ARCMSR_MAX_HBB_POSTQUEUE
264
#define ARCMSR_MAX_XFER_LEN
0x26000 /* 152K */
-#define ARCMSR_CDB_SG_PAGE_LENGTH
256
+#define ARCMSR_CDB_SG_PAGE_LENGTH
256
+#define ARCMST_NUM_MSIX_VECTORS4
#ifndef PCI_DEVICE_ID_ARECA_1880
#define PCI_DEVICE_ID_ARECA_1880 0x1880
#endif
@@ -508,6 +509,7 @@ struct AdapterControlBlock
struct pci_dev *pdev;
struct Scsi_Host * host;
unsigned long vir2phy_offset;
+ struct msix_entry
entries[ARCMST_NUM_MSIX_VECTORS];
/* Offset is used in making arc cdb physical to virtual calculations
*/
uint32_toutbound_int_enable;
uint32_tcdb_phyaddr_hi32;
@@ -544,6 +546,8 @@ struct AdapterControlBlock
/* iop init */
#define ACB_F_ABORT 0x0200
#define ACB_F_FIRMWARE_TRAP 0x0400
+ #define ACB_F_MSI_ENABLED 0x1000
+ #define ACB_F_MSIX_ENABLED 0x2000
struct CommandControlBlock *
pccb_pool[ARCMSR_MAX_FREECCB_NUM];
/* used for memory free */
struct list_headccb_free_list;
diff -uprN -X linux-vanilla/Documentation/dontdiff
linux-vanilla//drivers/scsi/arcmsr/arcmsr_hba.c
linux-development//drivers/scsi/arcmsr/arcmsr_hba.c
--- linux-vanilla//drivers/scsi/arcmsr/arcmsr_hba.c 2012-10-03
19:16:18.214629692 +0800
+++ linux-development//drivers/scsi/arcmsr/arcmsr_hba.c 2012-10-03
19:17:44.834628853 +0800
@@ -61,7 +61,6 @@
#include
#include
#include
-#include
#include
#include
#include
@@ -82,7 +81,7 @@ MODULE_VERSION(ARCMSR_DRIVER_VERSION);
wait_queue_head_t wait_q;
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd);
-static int arcmsr_iop_confirm(struct AdapterControlBlock *acb);
+static void arcmsr_iop_confirm(struct AdapterControlBlock *acb);
static int arcmsr_abort(struct scsi_cmnd *);
static int arcmsr_bus_reset(struct scsi_cmnd *);
static int arcmsr_bios_param(struct scsi_device *sdev,
@@ -97,6 +96,8 @@ static void arcmsr_shutdown(struct pci_d
static void arcmsr_iop_init(struct AdapterControlBlock *acb);
static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb);
static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb);
+static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
+ u32 intmask_org);
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb);
static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb);
@@ -227,8 +228,8 @@ static bool arcmsr_remap_pciregion(struc
printk(KERN_NOTICE "arcmsr%d: memory mapping region
fail \n", acb->host->host_no);
return false;
}
- if (readl(>pmuC->outbound_doorbell) &
ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
-
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
>pmuC->outbound_doorbell_clear);/*clear interrupt*/
+ if (ioread32(>pmuC->outbound_doorbell) &
ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+
iowrite32(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
>pmuC->outbound_doorbell_clear);/*clear interrupt*/
return true;
}
break;
@@ -357,9 +358,9 @@ static uint8_t arcmsr_hbaC_wait_msgint_r
int i;
for (i = 0; i < 2000; i++) {
- if (readl(>outbound_doorbell)
+ if (ioread32(>outbound_doorbell)
& ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
-
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
+
iowrite32(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
>outbound_doorbell_clear); /*clear
interrupt*/
return true;
}
@@ -404,9 +405,11 @@ static void arcmsr_hbaB_flush_cache(stru
static void arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
- int retry_count = 30;/* enlarge wait flush adapter cache time: 10
minute */
-
[PATCH 3/5] SCSI: Support MSI and MSI-X
From: Nick Cheng nick.ch...@areca.com.tw
Support MSI or MSI-X for whole series of RAID controllers. Meanwhole correct
the register access as iowrite32/ioread32
Signed-off-by: Nick Cheng nick.ch...@areca.com.tw
diff -uprN -X linux-vanilla/Documentation/dontdiff
linux-vanilla//drivers/scsi/arcmsr/arcmsr.h
linux-development//drivers/scsi/arcmsr/arcmsr.h
--- linux-vanilla//drivers/scsi/arcmsr/arcmsr.h 2012-10-03
19:16:18.114629695 +0800
+++ linux-development//drivers/scsi/arcmsr/arcmsr.h 2012-10-03
19:17:44.826628853 +0800
@@ -63,7 +63,8 @@ struct device_attribute;
#define ARCMSR_DEFAULT_SG_ENTRIES
38
#define ARCMSR_MAX_HBB_POSTQUEUE
264
#define ARCMSR_MAX_XFER_LEN
0x26000 /* 152K */
-#define ARCMSR_CDB_SG_PAGE_LENGTH
256
+#define ARCMSR_CDB_SG_PAGE_LENGTH
256
+#define ARCMST_NUM_MSIX_VECTORS4
#ifndef PCI_DEVICE_ID_ARECA_1880
#define PCI_DEVICE_ID_ARECA_1880 0x1880
#endif
@@ -508,6 +509,7 @@ struct AdapterControlBlock
struct pci_dev *pdev;
struct Scsi_Host * host;
unsigned long vir2phy_offset;
+ struct msix_entry
entries[ARCMST_NUM_MSIX_VECTORS];
/* Offset is used in making arc cdb physical to virtual calculations
*/
uint32_toutbound_int_enable;
uint32_tcdb_phyaddr_hi32;
@@ -544,6 +546,8 @@ struct AdapterControlBlock
/* iop init */
#define ACB_F_ABORT 0x0200
#define ACB_F_FIRMWARE_TRAP 0x0400
+ #define ACB_F_MSI_ENABLED 0x1000
+ #define ACB_F_MSIX_ENABLED 0x2000
struct CommandControlBlock *
pccb_pool[ARCMSR_MAX_FREECCB_NUM];
/* used for memory free */
struct list_headccb_free_list;
diff -uprN -X linux-vanilla/Documentation/dontdiff
linux-vanilla//drivers/scsi/arcmsr/arcmsr_hba.c
linux-development//drivers/scsi/arcmsr/arcmsr_hba.c
--- linux-vanilla//drivers/scsi/arcmsr/arcmsr_hba.c 2012-10-03
19:16:18.214629692 +0800
+++ linux-development//drivers/scsi/arcmsr/arcmsr_hba.c 2012-10-03
19:17:44.834628853 +0800
@@ -61,7 +61,6 @@
#include linux/aer.h
#include asm/dma.h
#include asm/io.h
-#include asm/system.h
#include asm/uaccess.h
#include scsi/scsi_host.h
#include scsi/scsi.h
@@ -82,7 +81,7 @@ MODULE_VERSION(ARCMSR_DRIVER_VERSION);
wait_queue_head_t wait_q;
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd);
-static int arcmsr_iop_confirm(struct AdapterControlBlock *acb);
+static void arcmsr_iop_confirm(struct AdapterControlBlock *acb);
static int arcmsr_abort(struct scsi_cmnd *);
static int arcmsr_bus_reset(struct scsi_cmnd *);
static int arcmsr_bios_param(struct scsi_device *sdev,
@@ -97,6 +96,8 @@ static void arcmsr_shutdown(struct pci_d
static void arcmsr_iop_init(struct AdapterControlBlock *acb);
static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb);
static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb);
+static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
+ u32 intmask_org);
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb);
static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb);
@@ -227,8 +228,8 @@ static bool arcmsr_remap_pciregion(struc
printk(KERN_NOTICE arcmsr%d: memory mapping region
fail \n, acb-host-host_no);
return false;
}
- if (readl(acb-pmuC-outbound_doorbell)
ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
-
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
acb-pmuC-outbound_doorbell_clear);/*clear interrupt*/
+ if (ioread32(acb-pmuC-outbound_doorbell)
ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+
iowrite32(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
acb-pmuC-outbound_doorbell_clear);/*clear interrupt*/
return true;
}
break;
@@ -357,9 +358,9 @@ static uint8_t arcmsr_hbaC_wait_msgint_r
int i;
for (i = 0; i 2000; i++) {
- if (readl(phbcmu-outbound_doorbell)
+ if (ioread32(phbcmu-outbound_doorbell)
ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
-
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
+
iowrite32(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
phbcmu-outbound_doorbell_clear); /*clear
interrupt*/
return true;
}
@@ -404,9 +405,11 @@ static void arcmsr_hbaB_flush_cache(stru
static void arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB-pmuC;
-
[PATCH 3/5] SCSI: Support MSI and MSI-X
From: Nick Cheng nick.ch...@areca.com.tw
Support MSI or MSI-X for whole series of RAID controllers. Meanwhole correct
the register access as iowrite32/ioread32
Signed-off-by: Nick Cheng nick.ch...@areca.com.tw
---
diff -uprN -X linux-vanilla/Documentation/dontdiff
linux-vanilla//drivers/scsi/arcmsr/arcmsr.h
linux-development//drivers/scsi/arcmsr/arcmsr.h
--- linux-vanilla//drivers/scsi/arcmsr/arcmsr.h 2012-10-03
19:16:18.114629695 +0800
+++ linux-development//drivers/scsi/arcmsr/arcmsr.h 2012-10-03
19:17:44.826628853 +0800
@@ -63,7 +63,8 @@ struct device_attribute;
#define ARCMSR_DEFAULT_SG_ENTRIES
38
#define ARCMSR_MAX_HBB_POSTQUEUE
264
#define ARCMSR_MAX_XFER_LEN
0x26000 /* 152K */
-#define ARCMSR_CDB_SG_PAGE_LENGTH
256
+#define ARCMSR_CDB_SG_PAGE_LENGTH
256
+#define ARCMST_NUM_MSIX_VECTORS4
#ifndef PCI_DEVICE_ID_ARECA_1880
#define PCI_DEVICE_ID_ARECA_1880 0x1880
#endif
@@ -508,6 +509,7 @@ struct AdapterControlBlock
struct pci_dev *pdev;
struct Scsi_Host * host;
unsigned long vir2phy_offset;
+ struct msix_entry
entries[ARCMST_NUM_MSIX_VECTORS];
/* Offset is used in making arc cdb physical to virtual calculations
*/
uint32_toutbound_int_enable;
uint32_tcdb_phyaddr_hi32;
@@ -544,6 +546,8 @@ struct AdapterControlBlock
/* iop init */
#define ACB_F_ABORT 0x0200
#define ACB_F_FIRMWARE_TRAP 0x0400
+ #define ACB_F_MSI_ENABLED 0x1000
+ #define ACB_F_MSIX_ENABLED 0x2000
struct CommandControlBlock *
pccb_pool[ARCMSR_MAX_FREECCB_NUM];
/* used for memory free */
struct list_headccb_free_list;
diff -uprN -X linux-vanilla/Documentation/dontdiff
linux-vanilla//drivers/scsi/arcmsr/arcmsr_hba.c
linux-development//drivers/scsi/arcmsr/arcmsr_hba.c
--- linux-vanilla//drivers/scsi/arcmsr/arcmsr_hba.c 2012-10-03
19:16:18.214629692 +0800
+++ linux-development//drivers/scsi/arcmsr/arcmsr_hba.c 2012-10-03
19:17:44.834628853 +0800
@@ -61,7 +61,6 @@
#include linux/aer.h
#include asm/dma.h
#include asm/io.h
-#include asm/system.h
#include asm/uaccess.h
#include scsi/scsi_host.h
#include scsi/scsi.h
@@ -82,7 +81,7 @@ MODULE_VERSION(ARCMSR_DRIVER_VERSION);
wait_queue_head_t wait_q;
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd);
-static int arcmsr_iop_confirm(struct AdapterControlBlock *acb);
+static void arcmsr_iop_confirm(struct AdapterControlBlock *acb);
static int arcmsr_abort(struct scsi_cmnd *);
static int arcmsr_bus_reset(struct scsi_cmnd *);
static int arcmsr_bios_param(struct scsi_device *sdev,
@@ -97,6 +96,8 @@ static void arcmsr_shutdown(struct pci_d
static void arcmsr_iop_init(struct AdapterControlBlock *acb);
static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb);
static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb);
+static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
+ u32 intmask_org);
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb);
static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb);
@@ -227,8 +228,8 @@ static bool arcmsr_remap_pciregion(struc
printk(KERN_NOTICE arcmsr%d: memory mapping region
fail \n, acb-host-host_no);
return false;
}
- if (readl(acb-pmuC-outbound_doorbell)
ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
-
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
acb-pmuC-outbound_doorbell_clear);/*clear interrupt*/
+ if (ioread32(acb-pmuC-outbound_doorbell)
ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+
iowrite32(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
acb-pmuC-outbound_doorbell_clear);/*clear interrupt*/
return true;
}
break;
@@ -357,9 +358,9 @@ static uint8_t arcmsr_hbaC_wait_msgint_r
int i;
for (i = 0; i 2000; i++) {
- if (readl(phbcmu-outbound_doorbell)
+ if (ioread32(phbcmu-outbound_doorbell)
ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
-
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
+
iowrite32(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
phbcmu-outbound_doorbell_clear); /*clear
interrupt*/
return true;
}
@@ -404,9 +405,11 @@ static void arcmsr_hbaB_flush_cache(stru
static void arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB)
{
struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB-pmuC;
-
