[PATCH char-misc-next v4 12/13] misc: mic: MIC card driver specific changes to enable SCIF
MIC card driver specific changes to enable SCIF. This patch implements
the SCIF hardware bus operations and registers a SCIF device on the
SCIF hardware bus.
Reviewed-by: Nikhil Rao
Signed-off-by: Ashutosh Dixit
Signed-off-by: Sudeep Dutt
---
drivers/misc/mic/Kconfig | 2 +-
drivers/misc/mic/card/mic_device.h | 11 +++-
drivers/misc/mic/card/mic_x100.h | 1 +
drivers/misc/mic/card/mic_device.c | 132 -
drivers/misc/mic/card/mic_x100.c | 61 -
5 files changed, 201 insertions(+), 6 deletions(-)
diff --git a/drivers/misc/mic/Kconfig b/drivers/misc/mic/Kconfig
index a2ea3ab..e9f2f56 100644
--- a/drivers/misc/mic/Kconfig
+++ b/drivers/misc/mic/Kconfig
@@ -56,7 +56,7 @@ comment "Intel MIC Card Driver"
config INTEL_MIC_CARD
tristate "Intel MIC Card Driver"
- depends on 64BIT && X86 && INTEL_MIC_BUS
+ depends on 64BIT && X86 && INTEL_MIC_BUS && SCIF_BUS
select VIRTIO
help
This enables card driver support for the Intel Many Integrated
diff --git a/drivers/misc/mic/card/mic_device.h
b/drivers/misc/mic/card/mic_device.h
index 844be8f..1dbf83c 100644
--- a/drivers/misc/mic/card/mic_device.h
+++ b/drivers/misc/mic/card/mic_device.h
@@ -29,9 +29,9 @@
#include
#include
-#include
#include
#include
+#include "../bus/scif_bus.h"
/**
* struct mic_intr_info - Contains h/w specific interrupt sources info
@@ -73,6 +73,9 @@ struct mic_device {
* @irq_info: The OS specific irq information
* @intr_info: H/W specific interrupt information.
* @dma_mbdev: dma device on the MIC virtual bus.
+ * @dma_ch - Array of DMA channels
+ * @num_dma_ch - Number of DMA channels available
+ * @scdev: SCIF device on the SCIF virtual bus.
*/
struct mic_driver {
char name[20];
@@ -84,6 +87,9 @@ struct mic_driver {
struct mic_irq_info irq_info;
struct mic_intr_info intr_info;
struct mbus_device *dma_mbdev;
+ struct dma_chan *dma_ch[MIC_MAX_DMA_CHAN];
+ int num_dma_ch;
+ struct scif_hw_dev *scdev;
};
/**
@@ -122,10 +128,11 @@ void mic_driver_uninit(struct mic_driver *mdrv);
int mic_next_card_db(void);
struct mic_irq *
mic_request_card_irq(irq_handler_t handler, irq_handler_t thread_fn,
-const char *name, void *data, int intr_src);
+const char *name, void *data, int db);
void mic_free_card_irq(struct mic_irq *cookie, void *data);
u32 mic_read_spad(struct mic_device *mdev, unsigned int idx);
void mic_send_intr(struct mic_device *mdev, int doorbell);
+void mic_send_p2p_intr(int doorbell, struct mic_mw *mw);
int mic_db_to_irq(struct mic_driver *mdrv, int db);
u32 mic_ack_interrupt(struct mic_device *mdev);
void mic_hw_intr_init(struct mic_driver *mdrv);
diff --git a/drivers/misc/mic/card/mic_x100.h b/drivers/misc/mic/card/mic_x100.h
index d66ea55..7e22249 100644
--- a/drivers/misc/mic/card/mic_x100.h
+++ b/drivers/misc/mic/card/mic_x100.h
@@ -35,6 +35,7 @@
#define MIC_X100_SBOX_SDBIC0 0xCC90
#define MIC_X100_SBOX_SDBIC0_DBREQ_BIT 0x8000
#define MIC_X100_SBOX_RDMASR0 0xB180
+#define MIC_X100_SBOX_APICICR0 0xA9D0
#define MIC_X100_MAX_DOORBELL_IDX 8
diff --git a/drivers/misc/mic/card/mic_device.c
b/drivers/misc/mic/card/mic_device.c
index 83819ee..6338908 100644
--- a/drivers/misc/mic/card/mic_device.c
+++ b/drivers/misc/mic/card/mic_device.c
@@ -28,6 +28,8 @@
#include
#include
#include
+#include
+#include
#include
#include "../common/mic_dev.h"
@@ -240,6 +242,111 @@ static void mic_uninit_irq(void)
kfree(mdrv->irq_info.irq_usage_count);
}
+static inline struct mic_driver *scdev_to_mdrv(struct scif_hw_dev *scdev)
+{
+ return dev_get_drvdata(scdev->dev.parent);
+}
+
+static struct mic_irq *
+___mic_request_irq(struct scif_hw_dev *scdev,
+ irqreturn_t (*func)(int irq, void *data),
+ const char *name, void *data,
+ int db)
+{
+ return mic_request_card_irq(func, NULL, name, data, db);
+}
+
+static void
+___mic_free_irq(struct scif_hw_dev *scdev,
+ struct mic_irq *cookie, void *data)
+{
+ return mic_free_card_irq(cookie, data);
+}
+
+static void ___mic_ack_interrupt(struct scif_hw_dev *scdev, int num)
+{
+ struct mic_driver *mdrv = scdev_to_mdrv(scdev);
+
+ mic_ack_interrupt(>mdev);
+}
+
+static int ___mic_next_db(struct scif_hw_dev *scdev)
+{
+ return mic_next_card_db();
+}
+
+static void ___mic_send_intr(struct scif_hw_dev *scdev, int db)
+{
+ struct mic_driver *mdrv = scdev_to_mdrv(scdev);
+
+ mic_send_intr(>mdev, db);
+}
+
+static void ___mic_send_p2p_intr(struct scif_hw_dev *scdev, int db,
+struct mic_mw *mw)
+{
+ mic_send_p2p_intr(db, mw);
+}
+
+static void __iomem *
+___mic_ioremap(struct scif_hw_dev *scdev,
+ phys_addr_t pa, size_t len)
+{
+ struct
[PATCH char-misc-next v4 12/13] misc: mic: MIC card driver specific changes to enable SCIF
MIC card driver specific changes to enable SCIF. This patch implements
the SCIF hardware bus operations and registers a SCIF device on the
SCIF hardware bus.
Reviewed-by: Nikhil Rao nikhil@intel.com
Signed-off-by: Ashutosh Dixit ashutosh.di...@intel.com
Signed-off-by: Sudeep Dutt sudeep.d...@intel.com
---
drivers/misc/mic/Kconfig | 2 +-
drivers/misc/mic/card/mic_device.h | 11 +++-
drivers/misc/mic/card/mic_x100.h | 1 +
drivers/misc/mic/card/mic_device.c | 132 -
drivers/misc/mic/card/mic_x100.c | 61 -
5 files changed, 201 insertions(+), 6 deletions(-)
diff --git a/drivers/misc/mic/Kconfig b/drivers/misc/mic/Kconfig
index a2ea3ab..e9f2f56 100644
--- a/drivers/misc/mic/Kconfig
+++ b/drivers/misc/mic/Kconfig
@@ -56,7 +56,7 @@ comment Intel MIC Card Driver
config INTEL_MIC_CARD
tristate Intel MIC Card Driver
- depends on 64BIT X86 INTEL_MIC_BUS
+ depends on 64BIT X86 INTEL_MIC_BUS SCIF_BUS
select VIRTIO
help
This enables card driver support for the Intel Many Integrated
diff --git a/drivers/misc/mic/card/mic_device.h
b/drivers/misc/mic/card/mic_device.h
index 844be8f..1dbf83c 100644
--- a/drivers/misc/mic/card/mic_device.h
+++ b/drivers/misc/mic/card/mic_device.h
@@ -29,9 +29,9 @@
#include linux/workqueue.h
#include linux/io.h
-#include linux/irqreturn.h
#include linux/interrupt.h
#include linux/mic_bus.h
+#include ../bus/scif_bus.h
/**
* struct mic_intr_info - Contains h/w specific interrupt sources info
@@ -73,6 +73,9 @@ struct mic_device {
* @irq_info: The OS specific irq information
* @intr_info: H/W specific interrupt information.
* @dma_mbdev: dma device on the MIC virtual bus.
+ * @dma_ch - Array of DMA channels
+ * @num_dma_ch - Number of DMA channels available
+ * @scdev: SCIF device on the SCIF virtual bus.
*/
struct mic_driver {
char name[20];
@@ -84,6 +87,9 @@ struct mic_driver {
struct mic_irq_info irq_info;
struct mic_intr_info intr_info;
struct mbus_device *dma_mbdev;
+ struct dma_chan *dma_ch[MIC_MAX_DMA_CHAN];
+ int num_dma_ch;
+ struct scif_hw_dev *scdev;
};
/**
@@ -122,10 +128,11 @@ void mic_driver_uninit(struct mic_driver *mdrv);
int mic_next_card_db(void);
struct mic_irq *
mic_request_card_irq(irq_handler_t handler, irq_handler_t thread_fn,
-const char *name, void *data, int intr_src);
+const char *name, void *data, int db);
void mic_free_card_irq(struct mic_irq *cookie, void *data);
u32 mic_read_spad(struct mic_device *mdev, unsigned int idx);
void mic_send_intr(struct mic_device *mdev, int doorbell);
+void mic_send_p2p_intr(int doorbell, struct mic_mw *mw);
int mic_db_to_irq(struct mic_driver *mdrv, int db);
u32 mic_ack_interrupt(struct mic_device *mdev);
void mic_hw_intr_init(struct mic_driver *mdrv);
diff --git a/drivers/misc/mic/card/mic_x100.h b/drivers/misc/mic/card/mic_x100.h
index d66ea55..7e22249 100644
--- a/drivers/misc/mic/card/mic_x100.h
+++ b/drivers/misc/mic/card/mic_x100.h
@@ -35,6 +35,7 @@
#define MIC_X100_SBOX_SDBIC0 0xCC90
#define MIC_X100_SBOX_SDBIC0_DBREQ_BIT 0x8000
#define MIC_X100_SBOX_RDMASR0 0xB180
+#define MIC_X100_SBOX_APICICR0 0xA9D0
#define MIC_X100_MAX_DOORBELL_IDX 8
diff --git a/drivers/misc/mic/card/mic_device.c
b/drivers/misc/mic/card/mic_device.c
index 83819ee..6338908 100644
--- a/drivers/misc/mic/card/mic_device.c
+++ b/drivers/misc/mic/card/mic_device.c
@@ -28,6 +28,8 @@
#include linux/pci.h
#include linux/interrupt.h
#include linux/reboot.h
+#include linux/dmaengine.h
+#include linux/kmod.h
#include linux/mic_common.h
#include ../common/mic_dev.h
@@ -240,6 +242,111 @@ static void mic_uninit_irq(void)
kfree(mdrv-irq_info.irq_usage_count);
}
+static inline struct mic_driver *scdev_to_mdrv(struct scif_hw_dev *scdev)
+{
+ return dev_get_drvdata(scdev-dev.parent);
+}
+
+static struct mic_irq *
+___mic_request_irq(struct scif_hw_dev *scdev,
+ irqreturn_t (*func)(int irq, void *data),
+ const char *name, void *data,
+ int db)
+{
+ return mic_request_card_irq(func, NULL, name, data, db);
+}
+
+static void
+___mic_free_irq(struct scif_hw_dev *scdev,
+ struct mic_irq *cookie, void *data)
+{
+ return mic_free_card_irq(cookie, data);
+}
+
+static void ___mic_ack_interrupt(struct scif_hw_dev *scdev, int num)
+{
+ struct mic_driver *mdrv = scdev_to_mdrv(scdev);
+
+ mic_ack_interrupt(mdrv-mdev);
+}
+
+static int ___mic_next_db(struct scif_hw_dev *scdev)
+{
+ return mic_next_card_db();
+}
+
+static void ___mic_send_intr(struct scif_hw_dev *scdev, int db)
+{
+ struct mic_driver *mdrv = scdev_to_mdrv(scdev);
+
+ mic_send_intr(mdrv-mdev, db);
+}
+
+static void ___mic_send_p2p_intr(struct scif_hw_dev *scdev, int db,
+
[PATCH char-misc-next v4 12/13] misc: mic: MIC card driver specific changes to enable SCIF
MIC card driver specific changes to enable SCIF. This patch implements
the SCIF hardware bus operations and registers a SCIF device on the
SCIF hardware bus.
Reviewed-by: Nikhil Rao
Signed-off-by: Ashutosh Dixit
Signed-off-by: Sudeep Dutt
---
drivers/misc/mic/Kconfig | 2 +-
drivers/misc/mic/card/mic_device.h | 11 +++-
drivers/misc/mic/card/mic_x100.h | 1 +
drivers/misc/mic/card/mic_device.c | 132 -
drivers/misc/mic/card/mic_x100.c | 61 -
5 files changed, 201 insertions(+), 6 deletions(-)
diff --git a/drivers/misc/mic/Kconfig b/drivers/misc/mic/Kconfig
index a2ea3ab..e9f2f56 100644
--- a/drivers/misc/mic/Kconfig
+++ b/drivers/misc/mic/Kconfig
@@ -56,7 +56,7 @@ comment "Intel MIC Card Driver"
config INTEL_MIC_CARD
tristate "Intel MIC Card Driver"
- depends on 64BIT && X86 && INTEL_MIC_BUS
+ depends on 64BIT && X86 && INTEL_MIC_BUS && SCIF_BUS
select VIRTIO
help
This enables card driver support for the Intel Many Integrated
diff --git a/drivers/misc/mic/card/mic_device.h
b/drivers/misc/mic/card/mic_device.h
index 844be8f..1dbf83c 100644
--- a/drivers/misc/mic/card/mic_device.h
+++ b/drivers/misc/mic/card/mic_device.h
@@ -29,9 +29,9 @@
#include
#include
-#include
#include
#include
+#include "../bus/scif_bus.h"
/**
* struct mic_intr_info - Contains h/w specific interrupt sources info
@@ -73,6 +73,9 @@ struct mic_device {
* @irq_info: The OS specific irq information
* @intr_info: H/W specific interrupt information.
* @dma_mbdev: dma device on the MIC virtual bus.
+ * @dma_ch - Array of DMA channels
+ * @num_dma_ch - Number of DMA channels available
+ * @scdev: SCIF device on the SCIF virtual bus.
*/
struct mic_driver {
char name[20];
@@ -84,6 +87,9 @@ struct mic_driver {
struct mic_irq_info irq_info;
struct mic_intr_info intr_info;
struct mbus_device *dma_mbdev;
+ struct dma_chan *dma_ch[MIC_MAX_DMA_CHAN];
+ int num_dma_ch;
+ struct scif_hw_dev *scdev;
};
/**
@@ -122,10 +128,11 @@ void mic_driver_uninit(struct mic_driver *mdrv);
int mic_next_card_db(void);
struct mic_irq *
mic_request_card_irq(irq_handler_t handler, irq_handler_t thread_fn,
-const char *name, void *data, int intr_src);
+const char *name, void *data, int db);
void mic_free_card_irq(struct mic_irq *cookie, void *data);
u32 mic_read_spad(struct mic_device *mdev, unsigned int idx);
void mic_send_intr(struct mic_device *mdev, int doorbell);
+void mic_send_p2p_intr(int doorbell, struct mic_mw *mw);
int mic_db_to_irq(struct mic_driver *mdrv, int db);
u32 mic_ack_interrupt(struct mic_device *mdev);
void mic_hw_intr_init(struct mic_driver *mdrv);
diff --git a/drivers/misc/mic/card/mic_x100.h b/drivers/misc/mic/card/mic_x100.h
index d66ea55..7e22249 100644
--- a/drivers/misc/mic/card/mic_x100.h
+++ b/drivers/misc/mic/card/mic_x100.h
@@ -35,6 +35,7 @@
#define MIC_X100_SBOX_SDBIC0 0xCC90
#define MIC_X100_SBOX_SDBIC0_DBREQ_BIT 0x8000
#define MIC_X100_SBOX_RDMASR0 0xB180
+#define MIC_X100_SBOX_APICICR0 0xA9D0
#define MIC_X100_MAX_DOORBELL_IDX 8
diff --git a/drivers/misc/mic/card/mic_device.c
b/drivers/misc/mic/card/mic_device.c
index 83819ee..6338908 100644
--- a/drivers/misc/mic/card/mic_device.c
+++ b/drivers/misc/mic/card/mic_device.c
@@ -28,6 +28,8 @@
#include
#include
#include
+#include
+#include
#include
#include "../common/mic_dev.h"
@@ -240,6 +242,111 @@ static void mic_uninit_irq(void)
kfree(mdrv->irq_info.irq_usage_count);
}
+static inline struct mic_driver *scdev_to_mdrv(struct scif_hw_dev *scdev)
+{
+ return dev_get_drvdata(scdev->dev.parent);
+}
+
+static struct mic_irq *
+___mic_request_irq(struct scif_hw_dev *scdev,
+ irqreturn_t (*func)(int irq, void *data),
+ const char *name, void *data,
+ int db)
+{
+ return mic_request_card_irq(func, NULL, name, data, db);
+}
+
+static void
+___mic_free_irq(struct scif_hw_dev *scdev,
+ struct mic_irq *cookie, void *data)
+{
+ return mic_free_card_irq(cookie, data);
+}
+
+static void ___mic_ack_interrupt(struct scif_hw_dev *scdev, int num)
+{
+ struct mic_driver *mdrv = scdev_to_mdrv(scdev);
+
+ mic_ack_interrupt(>mdev);
+}
+
+static int ___mic_next_db(struct scif_hw_dev *scdev)
+{
+ return mic_next_card_db();
+}
+
+static void ___mic_send_intr(struct scif_hw_dev *scdev, int db)
+{
+ struct mic_driver *mdrv = scdev_to_mdrv(scdev);
+
+ mic_send_intr(>mdev, db);
+}
+
+static void ___mic_send_p2p_intr(struct scif_hw_dev *scdev, int db,
+struct mic_mw *mw)
+{
+ mic_send_p2p_intr(db, mw);
+}
+
+static void __iomem *
+___mic_ioremap(struct scif_hw_dev *scdev,
+ phys_addr_t pa, size_t len)
+{
+ struct
[PATCH char-misc-next v4 12/13] misc: mic: MIC card driver specific changes to enable SCIF
MIC card driver specific changes to enable SCIF. This patch implements
the SCIF hardware bus operations and registers a SCIF device on the
SCIF hardware bus.
Reviewed-by: Nikhil Rao nikhil@intel.com
Signed-off-by: Ashutosh Dixit ashutosh.di...@intel.com
Signed-off-by: Sudeep Dutt sudeep.d...@intel.com
---
drivers/misc/mic/Kconfig | 2 +-
drivers/misc/mic/card/mic_device.h | 11 +++-
drivers/misc/mic/card/mic_x100.h | 1 +
drivers/misc/mic/card/mic_device.c | 132 -
drivers/misc/mic/card/mic_x100.c | 61 -
5 files changed, 201 insertions(+), 6 deletions(-)
diff --git a/drivers/misc/mic/Kconfig b/drivers/misc/mic/Kconfig
index a2ea3ab..e9f2f56 100644
--- a/drivers/misc/mic/Kconfig
+++ b/drivers/misc/mic/Kconfig
@@ -56,7 +56,7 @@ comment Intel MIC Card Driver
config INTEL_MIC_CARD
tristate Intel MIC Card Driver
- depends on 64BIT X86 INTEL_MIC_BUS
+ depends on 64BIT X86 INTEL_MIC_BUS SCIF_BUS
select VIRTIO
help
This enables card driver support for the Intel Many Integrated
diff --git a/drivers/misc/mic/card/mic_device.h
b/drivers/misc/mic/card/mic_device.h
index 844be8f..1dbf83c 100644
--- a/drivers/misc/mic/card/mic_device.h
+++ b/drivers/misc/mic/card/mic_device.h
@@ -29,9 +29,9 @@
#include linux/workqueue.h
#include linux/io.h
-#include linux/irqreturn.h
#include linux/interrupt.h
#include linux/mic_bus.h
+#include ../bus/scif_bus.h
/**
* struct mic_intr_info - Contains h/w specific interrupt sources info
@@ -73,6 +73,9 @@ struct mic_device {
* @irq_info: The OS specific irq information
* @intr_info: H/W specific interrupt information.
* @dma_mbdev: dma device on the MIC virtual bus.
+ * @dma_ch - Array of DMA channels
+ * @num_dma_ch - Number of DMA channels available
+ * @scdev: SCIF device on the SCIF virtual bus.
*/
struct mic_driver {
char name[20];
@@ -84,6 +87,9 @@ struct mic_driver {
struct mic_irq_info irq_info;
struct mic_intr_info intr_info;
struct mbus_device *dma_mbdev;
+ struct dma_chan *dma_ch[MIC_MAX_DMA_CHAN];
+ int num_dma_ch;
+ struct scif_hw_dev *scdev;
};
/**
@@ -122,10 +128,11 @@ void mic_driver_uninit(struct mic_driver *mdrv);
int mic_next_card_db(void);
struct mic_irq *
mic_request_card_irq(irq_handler_t handler, irq_handler_t thread_fn,
-const char *name, void *data, int intr_src);
+const char *name, void *data, int db);
void mic_free_card_irq(struct mic_irq *cookie, void *data);
u32 mic_read_spad(struct mic_device *mdev, unsigned int idx);
void mic_send_intr(struct mic_device *mdev, int doorbell);
+void mic_send_p2p_intr(int doorbell, struct mic_mw *mw);
int mic_db_to_irq(struct mic_driver *mdrv, int db);
u32 mic_ack_interrupt(struct mic_device *mdev);
void mic_hw_intr_init(struct mic_driver *mdrv);
diff --git a/drivers/misc/mic/card/mic_x100.h b/drivers/misc/mic/card/mic_x100.h
index d66ea55..7e22249 100644
--- a/drivers/misc/mic/card/mic_x100.h
+++ b/drivers/misc/mic/card/mic_x100.h
@@ -35,6 +35,7 @@
#define MIC_X100_SBOX_SDBIC0 0xCC90
#define MIC_X100_SBOX_SDBIC0_DBREQ_BIT 0x8000
#define MIC_X100_SBOX_RDMASR0 0xB180
+#define MIC_X100_SBOX_APICICR0 0xA9D0
#define MIC_X100_MAX_DOORBELL_IDX 8
diff --git a/drivers/misc/mic/card/mic_device.c
b/drivers/misc/mic/card/mic_device.c
index 83819ee..6338908 100644
--- a/drivers/misc/mic/card/mic_device.c
+++ b/drivers/misc/mic/card/mic_device.c
@@ -28,6 +28,8 @@
#include linux/pci.h
#include linux/interrupt.h
#include linux/reboot.h
+#include linux/dmaengine.h
+#include linux/kmod.h
#include linux/mic_common.h
#include ../common/mic_dev.h
@@ -240,6 +242,111 @@ static void mic_uninit_irq(void)
kfree(mdrv-irq_info.irq_usage_count);
}
+static inline struct mic_driver *scdev_to_mdrv(struct scif_hw_dev *scdev)
+{
+ return dev_get_drvdata(scdev-dev.parent);
+}
+
+static struct mic_irq *
+___mic_request_irq(struct scif_hw_dev *scdev,
+ irqreturn_t (*func)(int irq, void *data),
+ const char *name, void *data,
+ int db)
+{
+ return mic_request_card_irq(func, NULL, name, data, db);
+}
+
+static void
+___mic_free_irq(struct scif_hw_dev *scdev,
+ struct mic_irq *cookie, void *data)
+{
+ return mic_free_card_irq(cookie, data);
+}
+
+static void ___mic_ack_interrupt(struct scif_hw_dev *scdev, int num)
+{
+ struct mic_driver *mdrv = scdev_to_mdrv(scdev);
+
+ mic_ack_interrupt(mdrv-mdev);
+}
+
+static int ___mic_next_db(struct scif_hw_dev *scdev)
+{
+ return mic_next_card_db();
+}
+
+static void ___mic_send_intr(struct scif_hw_dev *scdev, int db)
+{
+ struct mic_driver *mdrv = scdev_to_mdrv(scdev);
+
+ mic_send_intr(mdrv-mdev, db);
+}
+
+static void ___mic_send_p2p_intr(struct scif_hw_dev *scdev, int db,
+
