search for: genalloc

...drivers/s390/cio/css.c > index aea502922646..b97618497848 100644 > --- a/drivers/s390/cio/css.c > +++ b/drivers/s390/cio/css.c > @@ -20,6 +20,8 @@ > #include <linux/reboot.h> > #include <linux/suspend.h> > #include <linux/proc_fs.h> > +#include <linux/genalloc.h> > +#include <linux/dma-mapping.h> > #include <asm/isc.h> > #include <asm/crw.h> > > @@ -224,6 +226,8 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid, > INIT_WORK(&sch->todo_work, css_sch_todo); > sch->dev.release =...

...drivers/s390/cio/css.c > index aea502922646..b97618497848 100644 > --- a/drivers/s390/cio/css.c > +++ b/drivers/s390/cio/css.c > @@ -20,6 +20,8 @@ > #include <linux/reboot.h> > #include <linux/suspend.h> > #include <linux/proc_fs.h> > +#include <linux/genalloc.h> > +#include <linux/dma-mapping.h> > #include <asm/isc.h> > #include <asm/crw.h> > > @@ -224,6 +226,8 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid, > INIT_WORK(&sch->todo_work, css_sch_todo); > sch->dev.release =...

...ollides with the dev_pagemap release rework in > Andrew's tree (commit ids below are from next.git and are not stable) > > 4422ee8476f0 mm/devm_memremap_pages: fix final page put race > 771f0714d0dc PCI/P2PDMA: track pgmap references per resource, not globally > af37085de906 lib/genalloc: introduce chunk owners > e0047ff8aa77 PCI/P2PDMA: fix the gen_pool_add_virt() failure path > 0315d47d6ae9 mm/devm_memremap_pages: introduce devm_memunmap_pages > 216475c7eaa8 drivers/base/devres: introduce devm_release_action() > > CONFLICT (content): Merge conflict in tools/testin...

...pu_addr, size_t size); >> +extern struct device *cio_get_dma_css_dev(void); >> + >> +struct gen_pool; > > That forward declaration is a bit ugly... I guess the alternative was > include hell? That's an easy one. #include <linux/bitops.h> +#include <linux/genalloc.h> #include <asm/types.h> > >> +void *cio_gp_dma_zalloc(struct gen_pool *gp_dma, struct device *dma_dev, >> + size_t size); >> +void cio_gp_dma_free(struct gen_pool *gp_dma, void *cpu_addr, size_t size); >> +void cio_gp_dma_destroy(struct gen_pool *gp_dma,...

...work in >>> Andrew's tree (commit ids below are from next.git and are not stable) >>> >>> 4422ee8476f0 mm/devm_memremap_pages: fix final page put race >>> 771f0714d0dc PCI/P2PDMA: track pgmap references per resource, not globally >>> af37085de906 lib/genalloc: introduce chunk owners >>> e0047ff8aa77 PCI/P2PDMA: fix the gen_pool_add_virt() failure path >>> 0315d47d6ae9 mm/devm_memremap_pages: introduce devm_memunmap_pages >>> 216475c7eaa8 drivers/base/devres: introduce devm_release_action() >>> >>> CONFLICT (c...

..._FRAME_POINTER diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index 1727180e8ca1..58e7db912c30 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...

..._FRAME_POINTER diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index 1727180e8ca1..58e7db912c30 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...

...#39; include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'getprocattr' not described in 'security_list_options' include/linux/lsm_hooks.h:1811: warning: Function parameter or member 'setprocattr' not described in 'security_list_options' lib/genalloc.c:1: warning: 'gen_pool_add_virt' not found lib/genalloc.c:1: warning: 'gen_pool_alloc' not found lib/genalloc.c:1: warning: 'gen_pool_free' not found lib/genalloc.c:1: warning: 'gen_pool_alloc_algo' not found include/linux/regulator/machine.h:196: warnin...

...ollides with the dev_pagemap release rework in > Andrew's tree (commit ids below are from next.git and are not stable) > > 4422ee8476f0 mm/devm_memremap_pages: fix final page put race > 771f0714d0dc PCI/P2PDMA: track pgmap references per resource, not globally > af37085de906 lib/genalloc: introduce chunk owners > e0047ff8aa77 PCI/P2PDMA: fix the gen_pool_add_virt() failure path > 0315d47d6ae9 mm/devm_memremap_pages: introduce devm_memunmap_pages > 216475c7eaa8 drivers/base/devres: introduce devm_release_action() > > CONFLICT (content): Merge conflict in tools/testin...

...emap release rework in > > Andrew's tree (commit ids below are from next.git and are not stable) > > > > 4422ee8476f0 mm/devm_memremap_pages: fix final page put race > > 771f0714d0dc PCI/P2PDMA: track pgmap references per resource, not globally > > af37085de906 lib/genalloc: introduce chunk owners > > e0047ff8aa77 PCI/P2PDMA: fix the gen_pool_add_virt() failure path > > 0315d47d6ae9 mm/devm_memremap_pages: introduce devm_memunmap_pages > > 216475c7eaa8 drivers/base/devres: introduce devm_release_action() > > > > CONFLICT (content): Merge...

...p I just realized this collides with the dev_pagemap release rework in Andrew's tree (commit ids below are from next.git and are not stable) 4422ee8476f0 mm/devm_memremap_pages: fix final page put race 771f0714d0dc PCI/P2PDMA: track pgmap references per resource, not globally af37085de906 lib/genalloc: introduce chunk owners e0047ff8aa77 PCI/P2PDMA: fix the gen_pool_add_virt() failure path 0315d47d6ae9 mm/devm_memremap_pages: introduce devm_memunmap_pages 216475c7eaa8 drivers/base/devres: introduce devm_release_action() CONFLICT (content): Merge conflict in tools/testing/nvdimm/test/iomap.c CON...

...Andrew's tree (commit ids below are from next.git and are not stable) > >>> > >>> 4422ee8476f0 mm/devm_memremap_pages: fix final page put race > >>> 771f0714d0dc PCI/P2PDMA: track pgmap references per resource, not globally > >>> af37085de906 lib/genalloc: introduce chunk owners > >>> e0047ff8aa77 PCI/P2PDMA: fix the gen_pool_add_virt() failure path > >>> 0315d47d6ae9 mm/devm_memremap_pages: introduce devm_memunmap_pages > >>> 216475c7eaa8 drivers/base/devres: introduce devm_release_action() > >>> >...

...ly about it so I can avoid similar mistakes in the future? >I guess the alternative was > include hell? > What do you mean by include hell? I decided to use a forward declaration because the guys that include "cio.h" are not expected to require the interfaces defined in linux/genalloc.h. My motivation to do it like this was the principle of encapsulation. Regards, Halil

...sed dma pools API tolerate NULL genpool (patch 2) > > * fix typo (patch 2) > > * fix unintended code move (patch 7) > > * add more r-b's > > > > > > > > v3 --> v4 > > * fixed cleanup in css_bus_init() (Connie) > > * made cio.h include genalloc.h instead of a forward declaration > > (Connie) > > * added comments about dma_mask/coherent_dma_mask values (Connie) > > * fixed error handling in virtio_ccw_init() (Connie) > > * got rid of the *vc_dma* wrappers (Connie) > > * added some Reviewed-bys > > * r...

...ing to a modem. This CAIF Link layer communicates to the modem over shared memory. It is implemented as a virtio_driver. The underlying virtio device is managed by the remoteproc framework. The Virtio queue is used for transmitting data to the modem, and the new vringh is used for receiving data. Genalloc is used for managing the shared memory used for TX data. The default dma-alloc-coherent allocator can only allocate whole pages, and this wastes too much shared memory. Flow control is implemented by stopping the TX-queues if the virtio queues go full or we run out of memory. Queued are reopened w...

...ing to a modem. This CAIF Link layer communicates to the modem over shared memory. It is implemented as a virtio_driver. The underlying virtio device is managed by the remoteproc framework. The Virtio queue is used for transmitting data to the modem, and the new vringh is used for receiving data. Genalloc is used for managing the shared memory used for TX data. The default dma-alloc-coherent allocator can only allocate whole pages, and this wastes too much shared memory. Flow control is implemented by stopping the TX-queues if the virtio queues go full or we run out of memory. Queued are reopened w...

...drivers/s390/cio/css.c > index aea502922646..72629d99d8e4 100644 > --- a/drivers/s390/cio/css.c > +++ b/drivers/s390/cio/css.c > @@ -20,6 +20,8 @@ > #include <linux/reboot.h> > #include <linux/suspend.h> > #include <linux/proc_fs.h> > +#include <linux/genalloc.h> > +#include <linux/dma-mapping.h> > #include <asm/isc.h> > #include <asm/crw.h> > > @@ -886,6 +888,8 @@ static const struct attribute_group *cssdev_attr_groups[] = { > NULL, > }; > > +static u64 css_dev_dma_mask = DMA_BIT_MASK(31); > +...

...; diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index aea502922646..789f6ecdbbcc 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -20,6 +20,8 @@ #include <linux/reboot.h> #include <linux/suspend.h> #include <linux/proc_fs.h> +#include <linux/genalloc.h> +#include <linux/dma-mapping.h> #include <asm/isc.h> #include <asm/crw.h> @@ -224,6 +226,8 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid, INIT_WORK(&sch->todo_work, css_sch_todo); sch->dev.release = &css_subchannel_release; dev...

...; diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index aea502922646..7087cc314fe9 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -20,6 +20,8 @@ #include <linux/reboot.h> #include <linux/suspend.h> #include <linux/proc_fs.h> +#include <linux/genalloc.h> +#include <linux/dma-mapping.h> #include <asm/isc.h> #include <asm/crw.h> @@ -199,6 +201,8 @@ static int css_validate_subchannel(struct subchannel_id schid, return err; } +static u64 css_dev_dma_mask = DMA_BIT_MASK(31); + struct subchannel *css_alloc_subchannel(str...

...; diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index aea502922646..b97618497848 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -20,6 +20,8 @@ #include <linux/reboot.h> #include <linux/suspend.h> #include <linux/proc_fs.h> +#include <linux/genalloc.h> +#include <linux/dma-mapping.h> #include <asm/isc.h> #include <asm/crw.h> @@ -224,6 +226,8 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid, INIT_WORK(&sch->todo_work, css_sch_todo); sch->dev.release = &css_subchannel_release; dev...