| Message ID | 1466409343-21193-2-git-send-email-jgross@suse.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, 20 Jun 2016, Juergen Gross wrote: > Fix hw/block/xen_blkif.h to match qemu coding style. > > Signed-off-by: Juergen Gross <jgross@suse.com> Acked-by: Stefano Stabellini <sstabellini@kernel.org> > hw/block/xen_blkif.h | 151 +++++++++++++++++++++++++++------------------------ > 1 file changed, 81 insertions(+), 70 deletions(-) > > diff --git a/hw/block/xen_blkif.h b/hw/block/xen_blkif.h > index e3b133b..7ccf92e 100644 > --- a/hw/block/xen_blkif.h > +++ b/hw/block/xen_blkif.h > @@ -5,31 +5,33 @@ > #include <xen/io/blkif.h> > #include <xen/io/protocols.h> > > -/* Not a real protocol. Used to generate ring structs which contain > +/* > + * Not a real protocol. Used to generate ring structs which contain > * the elements common to all protocols only. This way we get a > * compiler-checkable way to use common struct elements, so we can > - * avoid using switch(protocol) in a number of places. */ > + * avoid using switch(protocol) in a number of places. > + */ > struct blkif_common_request { > - char dummy; > + char dummy; > }; > struct blkif_common_response { > - char dummy; > + char dummy; > }; > > /* i386 protocol version */ > #pragma pack(push, 4) > struct blkif_x86_32_request { > - uint8_t operation; /* BLKIF_OP_??? */ > - uint8_t nr_segments; /* number of segments */ > - blkif_vdev_t handle; /* only for read/write requests */ > - uint64_t id; /* private guest value, echoed in resp */ > - blkif_sector_t sector_number;/* start sector idx on disk (r/w only) */ > - struct blkif_request_segment seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]; > + uint8_t operation; /* BLKIF_OP_??? */ > + uint8_t nr_segments; /* number of segments */ > + blkif_vdev_t handle; /* only for read/write requests */ > + uint64_t id; /* private guest value, echoed in resp */ > + blkif_sector_t sector_number; /* start sector idx on disk (r/w only) */ > + struct blkif_request_segment seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]; > }; > struct blkif_x86_32_response { > - uint64_t id; /* copied from request */ > - uint8_t operation; /* copied from request */ > - int16_t status; /* BLKIF_RSP_??? */ > + uint64_t id; /* copied from request */ > + uint8_t operation; /* copied from request */ > + int16_t status; /* BLKIF_RSP_??? */ > }; > typedef struct blkif_x86_32_request blkif_x86_32_request_t; > typedef struct blkif_x86_32_response blkif_x86_32_response_t; > @@ -37,83 +39,92 @@ typedef struct blkif_x86_32_response blkif_x86_32_response_t; > > /* x86_64 protocol version */ > struct blkif_x86_64_request { > - uint8_t operation; /* BLKIF_OP_??? */ > - uint8_t nr_segments; /* number of segments */ > - blkif_vdev_t handle; /* only for read/write requests */ > - uint64_t __attribute__((__aligned__(8))) id; > - blkif_sector_t sector_number;/* start sector idx on disk (r/w only) */ > - struct blkif_request_segment seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]; > + uint8_t operation; /* BLKIF_OP_??? */ > + uint8_t nr_segments; /* number of segments */ > + blkif_vdev_t handle; /* only for read/write requests */ > + uint64_t __attribute__((__aligned__(8))) id; > + blkif_sector_t sector_number; /* start sector idx on disk (r/w only) */ > + struct blkif_request_segment seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]; > }; > struct blkif_x86_64_response { > - uint64_t __attribute__((__aligned__(8))) id; > - uint8_t operation; /* copied from request */ > - int16_t status; /* BLKIF_RSP_??? */ > + uint64_t __attribute__((__aligned__(8))) id; > + uint8_t operation; /* copied from request */ > + int16_t status; /* BLKIF_RSP_??? */ > }; > typedef struct blkif_x86_64_request blkif_x86_64_request_t; > typedef struct blkif_x86_64_response blkif_x86_64_response_t; > > -DEFINE_RING_TYPES(blkif_common, struct blkif_common_request, struct blkif_common_response); > -DEFINE_RING_TYPES(blkif_x86_32, struct blkif_x86_32_request, struct blkif_x86_32_response); > -DEFINE_RING_TYPES(blkif_x86_64, struct blkif_x86_64_request, struct blkif_x86_64_response); > +DEFINE_RING_TYPES(blkif_common, struct blkif_common_request, > + struct blkif_common_response); > +DEFINE_RING_TYPES(blkif_x86_32, struct blkif_x86_32_request, > + struct blkif_x86_32_response); > +DEFINE_RING_TYPES(blkif_x86_64, struct blkif_x86_64_request, > + struct blkif_x86_64_response); > > union blkif_back_rings { > - blkif_back_ring_t native; > - blkif_common_back_ring_t common; > - blkif_x86_32_back_ring_t x86_32_part; > - blkif_x86_64_back_ring_t x86_64_part; > + blkif_back_ring_t native; > + blkif_common_back_ring_t common; > + blkif_x86_32_back_ring_t x86_32_part; > + blkif_x86_64_back_ring_t x86_64_part; > }; > typedef union blkif_back_rings blkif_back_rings_t; > > enum blkif_protocol { > - BLKIF_PROTOCOL_NATIVE = 1, > - BLKIF_PROTOCOL_X86_32 = 2, > - BLKIF_PROTOCOL_X86_64 = 3, > + BLKIF_PROTOCOL_NATIVE = 1, > + BLKIF_PROTOCOL_X86_32 = 2, > + BLKIF_PROTOCOL_X86_64 = 3, > }; > > -static inline void blkif_get_x86_32_req(blkif_request_t *dst, blkif_x86_32_request_t *src) > +static inline void blkif_get_x86_32_req(blkif_request_t *dst, > + blkif_x86_32_request_t *src) > { > - int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST; > + int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST; > > - dst->operation = src->operation; > - dst->nr_segments = src->nr_segments; > - dst->handle = src->handle; > - dst->id = src->id; > - dst->sector_number = src->sector_number; > - /* Prevent the compiler from using src->... instead. */ > - barrier(); > - if (dst->operation == BLKIF_OP_DISCARD) { > - struct blkif_request_discard *s = (void *)src; > - struct blkif_request_discard *d = (void *)dst; > - d->nr_sectors = s->nr_sectors; > - return; > - } > - if (n > dst->nr_segments) > - n = dst->nr_segments; > - for (i = 0; i < n; i++) > - dst->seg[i] = src->seg[i]; > + dst->operation = src->operation; > + dst->nr_segments = src->nr_segments; > + dst->handle = src->handle; > + dst->id = src->id; > + dst->sector_number = src->sector_number; > + /* Prevent the compiler from using src->... instead. */ > + barrier(); > + if (dst->operation == BLKIF_OP_DISCARD) { > + struct blkif_request_discard *s = (void *)src; > + struct blkif_request_discard *d = (void *)dst; > + d->nr_sectors = s->nr_sectors; > + return; > + } > + if (n > dst->nr_segments) { > + n = dst->nr_segments; > + } > + for (i = 0; i < n; i++) { > + dst->seg[i] = src->seg[i]; > + } > } > > -static inline void blkif_get_x86_64_req(blkif_request_t *dst, blkif_x86_64_request_t *src) > +static inline void blkif_get_x86_64_req(blkif_request_t *dst, > + blkif_x86_64_request_t *src) > { > - int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST; > + int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST; > > - dst->operation = src->operation; > - dst->nr_segments = src->nr_segments; > - dst->handle = src->handle; > - dst->id = src->id; > - dst->sector_number = src->sector_number; > - /* Prevent the compiler from using src->... instead. */ > - barrier(); > - if (dst->operation == BLKIF_OP_DISCARD) { > - struct blkif_request_discard *s = (void *)src; > - struct blkif_request_discard *d = (void *)dst; > - d->nr_sectors = s->nr_sectors; > - return; > - } > - if (n > dst->nr_segments) > - n = dst->nr_segments; > - for (i = 0; i < n; i++) > - dst->seg[i] = src->seg[i]; > + dst->operation = src->operation; > + dst->nr_segments = src->nr_segments; > + dst->handle = src->handle; > + dst->id = src->id; > + dst->sector_number = src->sector_number; > + /* Prevent the compiler from using src->... instead. */ > + barrier(); > + if (dst->operation == BLKIF_OP_DISCARD) { > + struct blkif_request_discard *s = (void *)src; > + struct blkif_request_discard *d = (void *)dst; > + d->nr_sectors = s->nr_sectors; > + return; > + } > + if (n > dst->nr_segments) { > + n = dst->nr_segments; > + } > + for (i = 0; i < n; i++) { > + dst->seg[i] = src->seg[i]; > + } > } > > #endif /* __XEN_BLKIF_H__ */ > -- > 2.6.6 >
diff --git a/hw/block/xen_blkif.h b/hw/block/xen_blkif.h index e3b133b..7ccf92e 100644 --- a/hw/block/xen_blkif.h +++ b/hw/block/xen_blkif.h @@ -5,31 +5,33 @@ #include <xen/io/blkif.h> #include <xen/io/protocols.h> -/* Not a real protocol. Used to generate ring structs which contain +/* + * Not a real protocol. Used to generate ring structs which contain * the elements common to all protocols only. This way we get a * compiler-checkable way to use common struct elements, so we can - * avoid using switch(protocol) in a number of places. */ + * avoid using switch(protocol) in a number of places. + */ struct blkif_common_request { - char dummy; + char dummy; }; struct blkif_common_response { - char dummy; + char dummy; }; /* i386 protocol version */ #pragma pack(push, 4) struct blkif_x86_32_request { - uint8_t operation; /* BLKIF_OP_??? */ - uint8_t nr_segments; /* number of segments */ - blkif_vdev_t handle; /* only for read/write requests */ - uint64_t id; /* private guest value, echoed in resp */ - blkif_sector_t sector_number;/* start sector idx on disk (r/w only) */ - struct blkif_request_segment seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]; + uint8_t operation; /* BLKIF_OP_??? */ + uint8_t nr_segments; /* number of segments */ + blkif_vdev_t handle; /* only for read/write requests */ + uint64_t id; /* private guest value, echoed in resp */ + blkif_sector_t sector_number; /* start sector idx on disk (r/w only) */ + struct blkif_request_segment seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]; }; struct blkif_x86_32_response { - uint64_t id; /* copied from request */ - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ + uint64_t id; /* copied from request */ + uint8_t operation; /* copied from request */ + int16_t status; /* BLKIF_RSP_??? */ }; typedef struct blkif_x86_32_request blkif_x86_32_request_t; typedef struct blkif_x86_32_response blkif_x86_32_response_t; @@ -37,83 +39,92 @@ typedef struct blkif_x86_32_response blkif_x86_32_response_t; /* x86_64 protocol version */ struct blkif_x86_64_request { - uint8_t operation; /* BLKIF_OP_??? */ - uint8_t nr_segments; /* number of segments */ - blkif_vdev_t handle; /* only for read/write requests */ - uint64_t __attribute__((__aligned__(8))) id; - blkif_sector_t sector_number;/* start sector idx on disk (r/w only) */ - struct blkif_request_segment seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]; + uint8_t operation; /* BLKIF_OP_??? */ + uint8_t nr_segments; /* number of segments */ + blkif_vdev_t handle; /* only for read/write requests */ + uint64_t __attribute__((__aligned__(8))) id; + blkif_sector_t sector_number; /* start sector idx on disk (r/w only) */ + struct blkif_request_segment seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]; }; struct blkif_x86_64_response { - uint64_t __attribute__((__aligned__(8))) id; - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ + uint64_t __attribute__((__aligned__(8))) id; + uint8_t operation; /* copied from request */ + int16_t status; /* BLKIF_RSP_??? */ }; typedef struct blkif_x86_64_request blkif_x86_64_request_t; typedef struct blkif_x86_64_response blkif_x86_64_response_t; -DEFINE_RING_TYPES(blkif_common, struct blkif_common_request, struct blkif_common_response); -DEFINE_RING_TYPES(blkif_x86_32, struct blkif_x86_32_request, struct blkif_x86_32_response); -DEFINE_RING_TYPES(blkif_x86_64, struct blkif_x86_64_request, struct blkif_x86_64_response); +DEFINE_RING_TYPES(blkif_common, struct blkif_common_request, + struct blkif_common_response); +DEFINE_RING_TYPES(blkif_x86_32, struct blkif_x86_32_request, + struct blkif_x86_32_response); +DEFINE_RING_TYPES(blkif_x86_64, struct blkif_x86_64_request, + struct blkif_x86_64_response); union blkif_back_rings { - blkif_back_ring_t native; - blkif_common_back_ring_t common; - blkif_x86_32_back_ring_t x86_32_part; - blkif_x86_64_back_ring_t x86_64_part; + blkif_back_ring_t native; + blkif_common_back_ring_t common; + blkif_x86_32_back_ring_t x86_32_part; + blkif_x86_64_back_ring_t x86_64_part; }; typedef union blkif_back_rings blkif_back_rings_t; enum blkif_protocol { - BLKIF_PROTOCOL_NATIVE = 1, - BLKIF_PROTOCOL_X86_32 = 2, - BLKIF_PROTOCOL_X86_64 = 3, + BLKIF_PROTOCOL_NATIVE = 1, + BLKIF_PROTOCOL_X86_32 = 2, + BLKIF_PROTOCOL_X86_64 = 3, }; -static inline void blkif_get_x86_32_req(blkif_request_t *dst, blkif_x86_32_request_t *src) +static inline void blkif_get_x86_32_req(blkif_request_t *dst, + blkif_x86_32_request_t *src) { - int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST; + int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST; - dst->operation = src->operation; - dst->nr_segments = src->nr_segments; - dst->handle = src->handle; - dst->id = src->id; - dst->sector_number = src->sector_number; - /* Prevent the compiler from using src->... instead. */ - barrier(); - if (dst->operation == BLKIF_OP_DISCARD) { - struct blkif_request_discard *s = (void *)src; - struct blkif_request_discard *d = (void *)dst; - d->nr_sectors = s->nr_sectors; - return; - } - if (n > dst->nr_segments) - n = dst->nr_segments; - for (i = 0; i < n; i++) - dst->seg[i] = src->seg[i]; + dst->operation = src->operation; + dst->nr_segments = src->nr_segments; + dst->handle = src->handle; + dst->id = src->id; + dst->sector_number = src->sector_number; + /* Prevent the compiler from using src->... instead. */ + barrier(); + if (dst->operation == BLKIF_OP_DISCARD) { + struct blkif_request_discard *s = (void *)src; + struct blkif_request_discard *d = (void *)dst; + d->nr_sectors = s->nr_sectors; + return; + } + if (n > dst->nr_segments) { + n = dst->nr_segments; + } + for (i = 0; i < n; i++) { + dst->seg[i] = src->seg[i]; + } } -static inline void blkif_get_x86_64_req(blkif_request_t *dst, blkif_x86_64_request_t *src) +static inline void blkif_get_x86_64_req(blkif_request_t *dst, + blkif_x86_64_request_t *src) { - int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST; + int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST; - dst->operation = src->operation; - dst->nr_segments = src->nr_segments; - dst->handle = src->handle; - dst->id = src->id; - dst->sector_number = src->sector_number; - /* Prevent the compiler from using src->... instead. */ - barrier(); - if (dst->operation == BLKIF_OP_DISCARD) { - struct blkif_request_discard *s = (void *)src; - struct blkif_request_discard *d = (void *)dst; - d->nr_sectors = s->nr_sectors; - return; - } - if (n > dst->nr_segments) - n = dst->nr_segments; - for (i = 0; i < n; i++) - dst->seg[i] = src->seg[i]; + dst->operation = src->operation; + dst->nr_segments = src->nr_segments; + dst->handle = src->handle; + dst->id = src->id; + dst->sector_number = src->sector_number; + /* Prevent the compiler from using src->... instead. */ + barrier(); + if (dst->operation == BLKIF_OP_DISCARD) { + struct blkif_request_discard *s = (void *)src; + struct blkif_request_discard *d = (void *)dst; + d->nr_sectors = s->nr_sectors; + return; + } + if (n > dst->nr_segments) { + n = dst->nr_segments; + } + for (i = 0; i < n; i++) { + dst->seg[i] = src->seg[i]; + } } #endif /* __XEN_BLKIF_H__ */
Fix hw/block/xen_blkif.h to match qemu coding style. Signed-off-by: Juergen Gross <jgross@suse.com> --- hw/block/xen_blkif.h | 151 +++++++++++++++++++++++++++------------------------ 1 file changed, 81 insertions(+), 70 deletions(-)