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Date: Wed, 5 Aug 2020 08:48:52 -0400
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Eli Cohen <eli@...lanox.com>
Cc: jasowang@...hat.com, virtualization@...ts.linux-foundation.org,
linux-kernel@...r.kernel.org, shahafs@...lanox.com,
saeedm@...lanox.com, parav@...lanox.com
Subject: Re: [PATCH V4 linux-next 00/12] VDPA support for Mellanox ConnectX
devices
On Wed, Aug 05, 2020 at 03:40:54PM +0300, Eli Cohen wrote:
> On Wed, Aug 05, 2020 at 08:00:55AM -0400, Michael S. Tsirkin wrote:
> > On Tue, Aug 04, 2020 at 07:20:36PM +0300, Eli Cohen wrote:
> > > Hi Michael,
> > > please note that this series depends on mlx5 core device driver patches
> > > in mlx5-next branch in
> > > git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git.
> > >
> > > git pull git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git mlx5-next
> > >
> > > They also depend Jason Wang's patches: https://lkml.org/lkml/2020/7/1/301
> >
> > So if I apply this to linux-next branch of my tree, I get:
> >
>
> Did you merge this?:
> git pull git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git mlx5-next
I can only merge this tree if no one else will. Linus does not like
getting same patches through two trees.
Is this the case? Is mlx5-next going to be merged through
my tree in this cycle?
> >
> > CALL scripts/checksyscalls.sh
> > CALL scripts/atomic/check-atomics.sh
> > DESCEND objtool
> > CHK include/generated/compile.h
> > CC [M] drivers/vdpa/mlx5/net/main.o
> > In file included from ./include/linux/swab.h:5,
> > from ./include/uapi/linux/byteorder/little_endian.h:13,
> > from ./include/linux/byteorder/little_endian.h:5,
> > from ./arch/x86/include/uapi/asm/byteorder.h:5,
> > from ./include/asm-generic/bitops/le.h:6,
> > from ./arch/x86/include/asm/bitops.h:395,
> > from ./include/linux/bitops.h:29,
> > from ./include/linux/kernel.h:12,
> > from ./include/linux/list.h:9,
> > from ./include/linux/module.h:12,
> > from drivers/vdpa/mlx5/net/main.c:4:
> > drivers/vdpa/mlx5/net/main.c: In function ‘required_caps_supported’:
> > ././include/linux/compiler_types.h:129:35: error: ‘struct mlx5_ifc_device_virtio_emulation_cap_bits’ has no member named ‘event_mode’
> > 129 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
> > | ^~~~~~~~~~~~~~~~~~
> > ./include/uapi/linux/swab.h:115:54: note: in definition of macro ‘__swab32’
> > 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
> > | ^
> > ./include/linux/byteorder/generic.h:95:21: note: in expansion of macro ‘__be32_to_cpu’
> > 95 | #define be32_to_cpu __be32_to_cpu
> > | ^~~~~~~~~~~~~
> > ./include/linux/stddef.h:17:32: note: in expansion of macro ‘__compiler_offsetof’
> > 17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
> > | ^~~~~~~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:51:35: note: in expansion of macro ‘offsetof’
> > 51 | #define __mlx5_bit_off(typ, fld) (offsetof(struct mlx5_ifc_##typ##_bits, fld))
> > | ^~~~~~~~
> > ./include/linux/mlx5/device.h:53:34: note: in expansion of macro ‘__mlx5_bit_off’
> > 53 | #define __mlx5_dw_off(typ, fld) (__mlx5_bit_off(typ, fld) / 32)
> > | ^~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:96:1: note: in expansion of macro ‘__mlx5_dw_off’
> > 96 | __mlx5_dw_off(typ, fld))) >> __mlx5_dw_bit_off(typ, fld)) & \
> > | ^~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:1355:2: note: in expansion of macro ‘MLX5_GET’
> > 1355 | MLX5_GET(device_virtio_emulation_cap, \
> > | ^~~~~~~~
> > drivers/vdpa/mlx5/net/main.c:24:15: note: in expansion of macro ‘MLX5_CAP_DEV_VDPA_EMULATION’
> > 24 | event_mode = MLX5_CAP_DEV_VDPA_EMULATION(mdev, event_mode);
> > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> > In file included from ./include/linux/mlx5/driver.h:52,
> > from drivers/vdpa/mlx5/net/main.c:5:
> > ./include/linux/mlx5/device.h:50:57: error: ‘struct mlx5_ifc_device_virtio_emulation_cap_bits’ has no member named ‘event_mode’
> > 50 | #define __mlx5_bit_sz(typ, fld) sizeof(__mlx5_nullp(typ)->fld)
> > | ^~
> > ./include/linux/mlx5/device.h:56:43: note: in expansion of macro ‘__mlx5_bit_sz’
> > 56 | #define __mlx5_dw_bit_off(typ, fld) (32 - __mlx5_bit_sz(typ, fld) - (__mlx5_bit_off(typ, fld) & 0x1f))
> > | ^~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:96:30: note: in expansion of macro ‘__mlx5_dw_bit_off’
> > 96 | __mlx5_dw_off(typ, fld))) >> __mlx5_dw_bit_off(typ, fld)) & \
> > | ^~~~~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:1355:2: note: in expansion of macro ‘MLX5_GET’
> > 1355 | MLX5_GET(device_virtio_emulation_cap, \
> > | ^~~~~~~~
> > drivers/vdpa/mlx5/net/main.c:24:15: note: in expansion of macro ‘MLX5_CAP_DEV_VDPA_EMULATION’
> > 24 | event_mode = MLX5_CAP_DEV_VDPA_EMULATION(mdev, event_mode);
> > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> > In file included from <command-line>:
> > ././include/linux/compiler_types.h:129:35: error: ‘struct mlx5_ifc_device_virtio_emulation_cap_bits’ has no member named ‘event_mode’
> > 129 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
> > | ^~~~~~~~~~~~~~~~~~
> > ./include/linux/stddef.h:17:32: note: in expansion of macro ‘__compiler_offsetof’
> > 17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
> > | ^~~~~~~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:51:35: note: in expansion of macro ‘offsetof’
> > 51 | #define __mlx5_bit_off(typ, fld) (offsetof(struct mlx5_ifc_##typ##_bits, fld))
> > | ^~~~~~~~
> > ./include/linux/mlx5/device.h:56:70: note: in expansion of macro ‘__mlx5_bit_off’
> > 56 | #define __mlx5_dw_bit_off(typ, fld) (32 - __mlx5_bit_sz(typ, fld) - (__mlx5_bit_off(typ, fld) & 0x1f))
> > | ^~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:96:30: note: in expansion of macro ‘__mlx5_dw_bit_off’
> > 96 | __mlx5_dw_off(typ, fld))) >> __mlx5_dw_bit_off(typ, fld)) & \
> > | ^~~~~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:1355:2: note: in expansion of macro ‘MLX5_GET’
> > 1355 | MLX5_GET(device_virtio_emulation_cap, \
> > | ^~~~~~~~
> > drivers/vdpa/mlx5/net/main.c:24:15: note: in expansion of macro ‘MLX5_CAP_DEV_VDPA_EMULATION’
> > 24 | event_mode = MLX5_CAP_DEV_VDPA_EMULATION(mdev, event_mode);
> > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> > In file included from ./include/linux/mlx5/driver.h:52,
> > from drivers/vdpa/mlx5/net/main.c:5:
> > ./include/linux/mlx5/device.h:50:57: error: ‘struct mlx5_ifc_device_virtio_emulation_cap_bits’ has no member named ‘event_mode’
> > 50 | #define __mlx5_bit_sz(typ, fld) sizeof(__mlx5_nullp(typ)->fld)
> > | ^~
> > ./include/linux/mlx5/device.h:57:47: note: in expansion of macro ‘__mlx5_bit_sz’
> > 57 | #define __mlx5_mask(typ, fld) ((u32)((1ull << __mlx5_bit_sz(typ, fld)) - 1))
> > | ^~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:97:1: note: in expansion of macro ‘__mlx5_mask’
> > 97 | __mlx5_mask(typ, fld))
> > | ^~~~~~~~~~~
> > ./include/linux/mlx5/device.h:1355:2: note: in expansion of macro ‘MLX5_GET’
> > 1355 | MLX5_GET(device_virtio_emulation_cap, \
> > | ^~~~~~~~
> > drivers/vdpa/mlx5/net/main.c:24:15: note: in expansion of macro ‘MLX5_CAP_DEV_VDPA_EMULATION’
> > 24 | event_mode = MLX5_CAP_DEV_VDPA_EMULATION(mdev, event_mode);
> > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> > In file included from ./include/linux/swab.h:5,
> > from ./include/uapi/linux/byteorder/little_endian.h:13,
> > from ./include/linux/byteorder/little_endian.h:5,
> > from ./arch/x86/include/uapi/asm/byteorder.h:5,
> > from ./include/asm-generic/bitops/le.h:6,
> > from ./arch/x86/include/asm/bitops.h:395,
> > from ./include/linux/bitops.h:29,
> > from ./include/linux/kernel.h:12,
> > from ./include/linux/list.h:9,
> > from ./include/linux/module.h:12,
> > from drivers/vdpa/mlx5/net/main.c:4:
> > ././include/linux/compiler_types.h:129:35: error: ‘struct mlx5_ifc_device_virtio_emulation_cap_bits’ has no member named ‘eth_frame_offload_type’
> > 129 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
> > | ^~~~~~~~~~~~~~~~~~
> > ./include/uapi/linux/swab.h:115:54: note: in definition of macro ‘__swab32’
> > 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
> > | ^
> > ./include/linux/byteorder/generic.h:95:21: note: in expansion of macro ‘__be32_to_cpu’
> > 95 | #define be32_to_cpu __be32_to_cpu
> > | ^~~~~~~~~~~~~
> > ./include/linux/stddef.h:17:32: note: in expansion of macro ‘__compiler_offsetof’
> > 17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
> > | ^~~~~~~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:51:35: note: in expansion of macro ‘offsetof’
> > 51 | #define __mlx5_bit_off(typ, fld) (offsetof(struct mlx5_ifc_##typ##_bits, fld))
> > | ^~~~~~~~
> > ./include/linux/mlx5/device.h:53:34: note: in expansion of macro ‘__mlx5_bit_off’
> > 53 | #define __mlx5_dw_off(typ, fld) (__mlx5_bit_off(typ, fld) / 32)
> > | ^~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:96:1: note: in expansion of macro ‘__mlx5_dw_off’
> > 96 | __mlx5_dw_off(typ, fld))) >> __mlx5_dw_bit_off(typ, fld)) & \
> > | ^~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:1355:2: note: in expansion of macro ‘MLX5_GET’
> > 1355 | MLX5_GET(device_virtio_emulation_cap, \
> > | ^~~~~~~~
> > drivers/vdpa/mlx5/net/main.c:28:7: note: in expansion of macro ‘MLX5_CAP_DEV_VDPA_EMULATION’
> > 28 | if (!MLX5_CAP_DEV_VDPA_EMULATION(mdev, eth_frame_offload_type))
> > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> > In file included from ./include/linux/mlx5/driver.h:52,
> > from drivers/vdpa/mlx5/net/main.c:5:
> > ./include/linux/mlx5/device.h:50:57: error: ‘struct mlx5_ifc_device_virtio_emulation_cap_bits’ has no member named ‘eth_frame_offload_type’
> > 50 | #define __mlx5_bit_sz(typ, fld) sizeof(__mlx5_nullp(typ)->fld)
> > | ^~
> > ./include/linux/mlx5/device.h:56:43: note: in expansion of macro ‘__mlx5_bit_sz’
> > 56 | #define __mlx5_dw_bit_off(typ, fld) (32 - __mlx5_bit_sz(typ, fld) - (__mlx5_bit_off(typ, fld) & 0x1f))
> > | ^~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:96:30: note: in expansion of macro ‘__mlx5_dw_bit_off’
> > 96 | __mlx5_dw_off(typ, fld))) >> __mlx5_dw_bit_off(typ, fld)) & \
> > | ^~~~~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:1355:2: note: in expansion of macro ‘MLX5_GET’
> > 1355 | MLX5_GET(device_virtio_emulation_cap, \
> > | ^~~~~~~~
> > drivers/vdpa/mlx5/net/main.c:28:7: note: in expansion of macro ‘MLX5_CAP_DEV_VDPA_EMULATION’
> > 28 | if (!MLX5_CAP_DEV_VDPA_EMULATION(mdev, eth_frame_offload_type))
> > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> > In file included from <command-line>:
> > ././include/linux/compiler_types.h:129:35: error: ‘struct mlx5_ifc_device_virtio_emulation_cap_bits’ has no member named ‘eth_frame_offload_type’
> > 129 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
> > | ^~~~~~~~~~~~~~~~~~
> > ./include/linux/stddef.h:17:32: note: in expansion of macro ‘__compiler_offsetof’
> > 17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
> > | ^~~~~~~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:51:35: note: in expansion of macro ‘offsetof’
> > 51 | #define __mlx5_bit_off(typ, fld) (offsetof(struct mlx5_ifc_##typ##_bits, fld))
> > | ^~~~~~~~
> > ./include/linux/mlx5/device.h:56:70: note: in expansion of macro ‘__mlx5_bit_off’
> > 56 | #define __mlx5_dw_bit_off(typ, fld) (32 - __mlx5_bit_sz(typ, fld) - (__mlx5_bit_off(typ, fld) & 0x1f))
> > | ^~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:96:30: note: in expansion of macro ‘__mlx5_dw_bit_off’
> > 96 | __mlx5_dw_off(typ, fld))) >> __mlx5_dw_bit_off(typ, fld)) & \
> > | ^~~~~~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:1355:2: note: in expansion of macro ‘MLX5_GET’
> > 1355 | MLX5_GET(device_virtio_emulation_cap, \
> > | ^~~~~~~~
> > drivers/vdpa/mlx5/net/main.c:28:7: note: in expansion of macro ‘MLX5_CAP_DEV_VDPA_EMULATION’
> > 28 | if (!MLX5_CAP_DEV_VDPA_EMULATION(mdev, eth_frame_offload_type))
> > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> > In file included from ./include/linux/mlx5/driver.h:52,
> > from drivers/vdpa/mlx5/net/main.c:5:
> > ./include/linux/mlx5/device.h:50:57: error: ‘struct mlx5_ifc_device_virtio_emulation_cap_bits’ has no member named ‘eth_frame_offload_type’
> > 50 | #define __mlx5_bit_sz(typ, fld) sizeof(__mlx5_nullp(typ)->fld)
> > | ^~
> > ./include/linux/mlx5/device.h:57:47: note: in expansion of macro ‘__mlx5_bit_sz’
> > 57 | #define __mlx5_mask(typ, fld) ((u32)((1ull << __mlx5_bit_sz(typ, fld)) - 1))
> > | ^~~~~~~~~~~~~
> > ./include/linux/mlx5/device.h:97:1: note: in expansion of macro ‘__mlx5_mask’
> > 97 | __mlx5_mask(typ, fld))
> > | ^~~~~~~~~~~
> > ./include/linux/mlx5/device.h:1355:2: note: in expansion of macro ‘MLX5_GET’
> > 1355 | MLX5_GET(device_virtio_emulation_cap, \
> > | ^~~~~~~~
> > drivers/vdpa/mlx5/net/main.c:28:7: note: in expansion of macro ‘MLX5_CAP_DEV_VDPA_EMULATION’
> > 28 | if (!MLX5_CAP_DEV_VDPA_EMULATION(mdev, eth_frame_offload_type))
> > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> > drivers/vdpa/mlx5/net/main.c: At top level:
> > drivers/vdpa/mlx5/net/main.c:62:14: error: ‘MLX5_INTERFACE_PROTOCOL_VDPA’ undeclared here (not in a function); did you mean ‘MLX5_INTERFACE_PROTOCOL_ETH’?
> > 62 | .protocol = MLX5_INTERFACE_PROTOCOL_VDPA,
> > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > | MLX5_INTERFACE_PROTOCOL_ETH
> > make[3]: *** [scripts/Makefile.build:281: drivers/vdpa/mlx5/net/main.o] Error 1
> > make[2]: *** [scripts/Makefile.build:497: drivers/vdpa/mlx5] Error 2
> > make[1]: *** [scripts/Makefile.build:497: drivers/vdpa] Error 2
> > make: *** [Makefile:1756: drivers] Error 2
> >
> >
> > I am guessing this is because of the missing dependency, right?
> > So what's the plan for merging this?
> >
> >
> > --
> > MST
> >
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