search for: pathmask_to_pos

...files changed, 128 insertions(+), 4 deletions(-) (...) > diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h > index 1727180e8ca1..43c007d2775a 100644 > --- a/arch/s390/include/asm/cio.h > +++ b/arch/s390/include/asm/cio.h > @@ -328,6 +328,17 @@ static inline u8 pathmask_to_pos(u8 mask) > void channel_subsystem_reinit(void); > extern void css_schedule_reprobe(void); > > +extern void *cio_dma_zalloc(size_t size); > +extern void cio_dma_free(void *cpu_addr, size_t size); > +extern struct device *cio_get_dma_css_dev(void); > + > +struct gen_pool;...

...files changed, 128 insertions(+), 4 deletions(-) (...) > diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h > index 1727180e8ca1..43c007d2775a 100644 > --- a/arch/s390/include/asm/cio.h > +++ b/arch/s390/include/asm/cio.h > @@ -328,6 +328,17 @@ static inline u8 pathmask_to_pos(u8 mask) > void channel_subsystem_reinit(void); > extern void css_schedule_reprobe(void); > > +extern void *cio_dma_zalloc(size_t size); > +extern void cio_dma_free(void *cpu_addr, size_t size); > +extern struct device *cio_get_dma_css_dev(void); > + > +struct gen_pool;...

...etions(-) > > (...) > > > diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h > > index 1727180e8ca1..43c007d2775a 100644 > > --- a/arch/s390/include/asm/cio.h > > +++ b/arch/s390/include/asm/cio.h > > @@ -328,6 +328,17 @@ static inline u8 pathmask_to_pos(u8 mask) > > void channel_subsystem_reinit(void); > > extern void css_schedule_reprobe(void); > > > > +extern void *cio_dma_zalloc(size_t size); > > +extern void cio_dma_free(void *cpu_addr, size_t size); > > +extern struct device *cio_get_dma_css_dev(void);...

...4 deletions(-) > > (...) > >> diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h >> index 1727180e8ca1..43c007d2775a 100644 >> --- a/arch/s390/include/asm/cio.h >> +++ b/arch/s390/include/asm/cio.h >> @@ -328,6 +328,17 @@ static inline u8 pathmask_to_pos(u8 mask) >> void channel_subsystem_reinit(void); >> extern void css_schedule_reprobe(void); >> >> +extern void *cio_dma_zalloc(size_t size); >> +extern void cio_dma_free(void *cpu_addr, size_t size); >> +extern struct device *cio_get_dma_css_dev(void); &gt...

...OCATOR > > > config SCHED_OMIT_FRAME_POINTER > diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h > index 1727180e8ca1..4510e418614a 100644 > --- a/arch/s390/include/asm/cio.h > +++ b/arch/s390/include/asm/cio.h > @@ -328,6 +328,9 @@ static inline u8 pathmask_to_pos(u8 mask) > void channel_subsystem_reinit(void); > extern void css_schedule_reprobe(void); > > +extern void *cio_dma_zalloc(size_t size); > +extern void cio_dma_free(void *cpu_addr, size_t size); > + > /* Function from drivers/s390/cio/chsc.c */ > int chsc_sstpc(void *p...

...I select SWIOTLB + select GENERIC_ALLOCATOR config SCHED_OMIT_FRAME_POINTER diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index 1727180e8ca1..43c007d2775a 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -328,6 +328,17 @@ static inline u8 pathmask_to_pos(u8 mask) void channel_subsystem_reinit(void); extern void css_schedule_reprobe(void); +extern void *cio_dma_zalloc(size_t size); +extern void cio_dma_free(void *cpu_addr, size_t size); +extern struct device *cio_get_dma_css_dev(void); + +struct gen_pool; +void *cio_gp_dma_zalloc(struct gen_pool...

...I select SWIOTLB + select GENERIC_ALLOCATOR config SCHED_OMIT_FRAME_POINTER diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index 1727180e8ca1..43c007d2775a 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -328,6 +328,17 @@ static inline u8 pathmask_to_pos(u8 mask) void channel_subsystem_reinit(void); extern void css_schedule_reprobe(void); +extern void *cio_dma_zalloc(size_t size); +extern void cio_dma_free(void *cpu_addr, size_t size); +extern struct device *cio_get_dma_css_dev(void); + +struct gen_pool; +void *cio_gp_dma_zalloc(struct gen_pool...

...I select SWIOTLB + select GENERIC_ALLOCATOR config SCHED_OMIT_FRAME_POINTER diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index 1727180e8ca1..43c007d2775a 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -328,6 +328,17 @@ static inline u8 pathmask_to_pos(u8 mask) void channel_subsystem_reinit(void); extern void css_schedule_reprobe(void); +extern void *cio_dma_zalloc(size_t size); +extern void cio_dma_free(void *cpu_addr, size_t size); +extern struct device *cio_get_dma_css_dev(void); + +struct gen_pool; +void *cio_gp_dma_zalloc(struct gen_pool...

...b912c30 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -7,6 +7,7 @@ #include <linux/spinlock.h> #include <linux/bitops.h> +#include <linux/genalloc.h> #include <asm/types.h> #define LPM_ANYPATH 0xff @@ -328,6 +329,16 @@ static inline u8 pathmask_to_pos(u8 mask) void channel_subsystem_reinit(void); extern void css_schedule_reprobe(void); +extern void *cio_dma_zalloc(size_t size); +extern void cio_dma_free(void *cpu_addr, size_t size); +extern struct device *cio_get_dma_css_dev(void); + +void *cio_gp_dma_zalloc(struct gen_pool *gp_dma, struct d...

...b912c30 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -7,6 +7,7 @@ #include <linux/spinlock.h> #include <linux/bitops.h> +#include <linux/genalloc.h> #include <asm/types.h> #define LPM_ANYPATH 0xff @@ -328,6 +329,16 @@ static inline u8 pathmask_to_pos(u8 mask) void channel_subsystem_reinit(void); extern void css_schedule_reprobe(void); +extern void *cio_dma_zalloc(size_t size); +extern void cio_dma_free(void *cpu_addr, size_t size); +extern struct device *cio_get_dma_css_dev(void); + +void *cio_gp_dma_zalloc(struct gen_pool *gp_dma, struct d...

...d nop_callback(struct ccw_device *cdev, void *data, int rc) static void spid_build_cp(struct ccw_device *cdev, u8 fn) { struct ccw_request *req = &cdev->private->req; - struct ccw1 *cp = cdev->private->iccws; + struct ccw1 *cp = cdev->private->dma_area->iccws; int i = pathmask_to_pos(req->lpm); - struct pgid *pgid = &cdev->private->pgid[i]; + struct pgid *pgid = &cdev->private->dma_area->pgid[i]; pgid->inf.fc = fn; cp->cmd_code = CCW_CMD_SET_PGID; @@ -300,7 +300,7 @@ static int pgid_cmp(struct pgid *p1, struct pgid *p2) static void pgid_an...

...d nop_callback(struct ccw_device *cdev, void *data, int rc) static void spid_build_cp(struct ccw_device *cdev, u8 fn) { struct ccw_request *req = &cdev->private->req; - struct ccw1 *cp = cdev->private->iccws; + struct ccw1 *cp = cdev->private->dma_area->iccws; int i = pathmask_to_pos(req->lpm); - struct pgid *pgid = &cdev->private->pgid[i]; + struct pgid *pgid = &cdev->private->dma_area->pgid[i]; pgid->inf.fc = fn; cp->cmd_code = CCW_CMD_SET_PGID; @@ -300,7 +300,7 @@ static int pgid_cmp(struct pgid *p1, struct pgid *p2) static void pgid_an...

...d nop_callback(struct ccw_device *cdev, void *data, int rc) static void spid_build_cp(struct ccw_device *cdev, u8 fn) { struct ccw_request *req = &cdev->private->req; - struct ccw1 *cp = cdev->private->iccws; + struct ccw1 *cp = cdev->private->dma_area->iccws; int i = pathmask_to_pos(req->lpm); - struct pgid *pgid = &cdev->private->pgid[i]; + struct pgid *pgid = &cdev->private->dma_area->pgid[i]; pgid->inf.fc = fn; cp->cmd_code = CCW_CMD_SET_PGID; @@ -300,7 +300,7 @@ static int pgid_cmp(struct pgid *p1, struct pgid *p2) static void pgid_an...

...d nop_callback(struct ccw_device *cdev, void *data, int rc) static void spid_build_cp(struct ccw_device *cdev, u8 fn) { struct ccw_request *req = &cdev->private->req; - struct ccw1 *cp = cdev->private->iccws; + struct ccw1 *cp = cdev->private->dma_area->iccws; int i = pathmask_to_pos(req->lpm); - struct pgid *pgid = &cdev->private->pgid[i]; + struct pgid *pgid = &cdev->private->dma_area->pgid[i]; pgid->inf.fc = fn; cp->cmd_code = CCW_CMD_SET_PGID; @@ -300,7 +300,7 @@ static int pgid_cmp(struct pgid *p1, struct pgid *p2) static void pgid_an...

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV

Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV