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powerpc64*: port mlx5, OFED, KTLS and krping
Summary: This review ports mlx5 driver, kernel's OFED stack (userland is already enabled), KTLS and krping to powerpc64 and powerpc64le. krping requires a small change since it uses assembly for amd64 / i386. NOTE: On powerpc64le RDMA works fine in the userspace with libmlx5, but on powerpc64 it does not. The problem is that contrib/ofed/libmlx5/doorbell.h checks for SIZEOF_LONG but this macro exists on neither powerpc64* nor amd64. Thus, the file silently goes to the fallback function written for 32-bit architectures. It works fine on little-endian architectures, but causes a hard fail on big-endian. It's possible it may also cause some runtime issues on little-endian. Thus, on powerpc64 I verified that RDMA works with krping. Reviewers: #powerpc, hselasky Subscribers: bdrewery, imp, emaste, jhibbits Differential Revision: https://reviews.freebsd.org/D38786
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@ -318,8 +318,8 @@ BROKEN_OPTIONS+=LOADER_UBOOT
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BROKEN_OPTIONS+=LOADER_GELI LOADER_LUA
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.endif
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# Kernel TLS is enabled by default on amd64 and aarch64
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.if ${__T} == "aarch64" || ${__T} == "amd64"
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# Kernel TLS is enabled by default on amd64, aarch64 and powerpc64*
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.if ${__T} == "aarch64" || ${__T} == "amd64" || ${__T:Mpowerpc64*} != ""
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__DEFAULT_YES_OPTIONS+=OPENSSL_KTLS
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.else
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__DEFAULT_NO_OPTIONS+=OPENSSL_KTLS
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@ -84,7 +84,8 @@ BROKEN_OPTIONS+= ZFS
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# Things that don't work because the kernel doesn't have the support
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# for them.
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.if ${MACHINE} != "i386" && ${MACHINE} != "amd64"
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.if ${MACHINE} != "i386" && ${MACHINE} != "amd64" && \
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${MACHINE_ARCH:Mpowerpc64*} == ""
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BROKEN_OPTIONS+= OFED
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.endif
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@ -69,9 +69,13 @@ MODULE_DEPEND(krping, linuxkpi, 1, 1, 1);
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static __inline uint64_t
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get_cycles(void)
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{
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#if defined(__amd64__) || defined(__i386__)
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uint32_t low, high;
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__asm __volatile("rdtsc" : "=a" (low), "=d" (high));
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return (low | ((u_int64_t)high << 32));
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#elif defined(__powerpc64__)
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return __builtin_readcyclecounter();
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#endif
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}
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typedef uint64_t cycles_t;
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@ -843,8 +843,21 @@ _nvme= nvme
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.if ${MACHINE_ARCH:Mpowerpc64*} != ""
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_ipmi= ipmi
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_ixl= ixl
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_mlx5= mlx5
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_nvram= opal_nvram
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.if ${MK_OFED} != "no" || defined(ALL_MODULES)
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_ibcore= ibcore
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_ipoib= ipoib
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_iser= iser
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_mlx5ib= mlx5ib
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_rdma= rdma
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.endif
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.if (${MK_INET_SUPPORT} != "no" && ${MK_INET6_SUPPORT} != "no") || \
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defined(ALL_MODULES)
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_mlx5en= mlx5en
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.endif
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.endif
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.if ${MACHINE_CPUARCH} == "powerpc" && ${MACHINE_ARCH} != "powerpcspe"
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# Don't build powermac_nvram for powerpcspe, it's never supported.
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_nvram+= powermac_nvram
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@ -49,6 +49,7 @@ options TCP_BLACKBOX # Enhanced TCP event logging
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options TCP_HHOOK # hhook(9) framework for TCP
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options TCP_RFC7413 # TCP Fast Open
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options SCTP_SUPPORT # Allow kldload of SCTP
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options KERN_TLS # TLS transmit & receive offload
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options FFS # Berkeley Fast Filesystem
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options SOFTUPDATES # Enable FFS soft updates support
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options UFS_ACL # Support for access control lists
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@ -128,6 +129,8 @@ device pci
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options PCI_HP # PCI-Express native HotPlug
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device agp
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options COMPAT_LINUXKPI
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# ATA controllers
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device ahci # AHCI-compatible SATA controllers
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device ata # Legacy ATA/SATA controllers
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@ -189,6 +192,12 @@ device fxp # Intel EtherExpress PRO/100B (82557, 82558)
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device re # RealTek 8139C+/8169/8169S/8110S
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device rl # RealTek 8129/8139
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# Nvidia/Mellanox Connect-X 4 and later, Ethernet only
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# mlx5ib requires ibcore infra and is not included by default
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device mlx5 # Base driver
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device mlxfw # Firmware update
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device mlx5en # Ethernet driver
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# Pseudo devices.
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device crypto # core crypto support
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device loop # Network loopback
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@ -199,6 +208,7 @@ device md # Memory "disks"
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device ofwd # Open Firmware disks
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device gif # IPv6 and IPv4 tunneling
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device firmware # firmware assist module
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device xz # lzma decompression
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# The `bpf' device enables the Berkeley Packet Filter.
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# Be aware of the administrative consequences of enabling this!
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@ -46,6 +46,7 @@ options TCP_BLACKBOX # Enhanced TCP event logging
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options TCP_HHOOK # hhook(9) framework for TCP
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options TCP_RFC7413 # TCP Fast Open
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options SCTP_SUPPORT # Allow kldload of SCTP
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options KERN_TLS # TLS transmit & receive offload
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options FFS # Berkeley Fast Filesystem
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options SOFTUPDATES # Enable FFS soft updates support
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options UFS_ACL # Support for access control lists
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@ -123,6 +124,8 @@ device pci
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options PCI_HP # PCI-Express native HotPlug
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device agp
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options COMPAT_LINUXKPI
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# ATA controllers
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device ahci # AHCI-compatible SATA controllers
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device ata # Legacy ATA/SATA controllers
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@ -184,6 +187,12 @@ device fxp # Intel EtherExpress PRO/100B (82557, 82558)
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device re # RealTek 8139C+/8169/8169S/8110S
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device rl # RealTek 8129/8139
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# Nvidia/Mellanox Connect-X 4 and later, Ethernet only
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# mlx5ib requires ibcore infra and is not included by default
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device mlx5 # Base driver
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device mlxfw # Firmware update
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device mlx5en # Ethernet driver
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# Pseudo devices.
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device crypto # core crypto support
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device loop # Network loopback
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@ -194,6 +203,7 @@ device md # Memory "disks"
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device ofwd # Open Firmware disks
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device gif # IPv6 and IPv4 tunneling
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device firmware # firmware assist module
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device xz # lzma decompression
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# The `bpf' device enables the Berkeley Packet Filter.
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# Be aware of the administrative consequences of enabling this!
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