From eea39946a1f36e8a5a47c86e7ecfca6076868505 Mon Sep 17 00:00:00 2001 From: Roopa Prabhu Date: Wed, 13 May 2015 21:17:41 -0700 Subject: rename RTNH_F_EXTERNAL to RTNH_F_OFFLOAD RTNH_F_EXTERNAL today is printed as "offload" in iproute2 output. This patch renames the flag to be consistent with what the user sees. Signed-off-by: Roopa Prabhu Signed-off-by: David S. Miller --- include/uapi/linux/rtnetlink.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h index 974db03f7b1a..17fb02f488da 100644 --- a/include/uapi/linux/rtnetlink.h +++ b/include/uapi/linux/rtnetlink.h @@ -337,7 +337,7 @@ struct rtnexthop { #define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */ #define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */ #define RTNH_F_ONLINK 4 /* Gateway is forced on link */ -#define RTNH_F_EXTERNAL 8 /* Route installed externally */ +#define RTNH_F_OFFLOAD 8 /* offloaded route */ /* Macros to handle hexthops */ -- cgit v1.2.3 From b3cad287d13b5f6695c6b4aab72969cd64bf0171 Mon Sep 17 00:00:00 2001 From: Jesper Dangaard Brouer Date: Thu, 7 May 2015 14:54:16 +0200 Subject: conntrack: RFC5961 challenge ACK confuse conntrack LAST-ACK transition In compliance with RFC5961, the network stack send challenge ACK in response to spurious SYN packets, since commit 0c228e833c88 ("tcp: Restore RFC5961-compliant behavior for SYN packets"). This pose a problem for netfilter conntrack in state LAST_ACK, because this challenge ACK is (falsely) seen as ACKing last FIN, causing a false state transition (into TIME_WAIT). The challenge ACK is hard to distinguish from real last ACK. Thus, solution introduce a flag that tracks the potential for seeing a challenge ACK, in case a SYN packet is let through and current state is LAST_ACK. When conntrack transition LAST_ACK to TIME_WAIT happens, this flag is used for determining if we are expecting a challenge ACK. Scapy based reproducer script avail here: https://github.com/netoptimizer/network-testing/blob/master/scapy/tcp_hacks_3WHS_LAST_ACK.py Fixes: 0c228e833c88 ("tcp: Restore RFC5961-compliant behavior for SYN packets") Signed-off-by: Jesper Dangaard Brouer Acked-by: Jozsef Kadlecsik Signed-off-by: Pablo Neira Ayuso --- include/uapi/linux/netfilter/nf_conntrack_tcp.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/netfilter/nf_conntrack_tcp.h b/include/uapi/linux/netfilter/nf_conntrack_tcp.h index 9993a421201c..ef9f80f0f529 100644 --- a/include/uapi/linux/netfilter/nf_conntrack_tcp.h +++ b/include/uapi/linux/netfilter/nf_conntrack_tcp.h @@ -42,6 +42,9 @@ enum tcp_conntrack { /* The field td_maxack has been set */ #define IP_CT_TCP_FLAG_MAXACK_SET 0x20 +/* Marks possibility for expected RFC5961 challenge ACK */ +#define IP_CT_EXP_CHALLENGE_ACK 0x40 + struct nf_ct_tcp_flags { __u8 flags; __u8 mask; -- cgit v1.2.3 From aef11009c45ca594c18ecc822f101e3908ca3fb4 Mon Sep 17 00:00:00 2001 From: Yair Shachar Date: Sun, 7 Dec 2014 17:05:22 +0200 Subject: drm/amdkfd: add H/W debugger IOCTL set definitions This patch adds four new IOCTLs to amdkfd. These IOCTLs expose a H/W debugger functionality to the userspace. The IOCTLs are: - AMDKFD_IOC_DBG_REGISTER: The purpose of this IOCTL is to notify amdkfd that a process wants to use GPU debugging facilities on itself only. It is expected that this IOCTL would be called before any other H/W debugger requests are sent to amdkfd and for each GPU where the H/W debugging needs to be enabled. The use of this IOCTL ensures that only one instance of a debugger is active in the system. - AMDKFD_IOC_DBG_UNREGISTER: This IOCTL detaches the debugger/debugged process from the H/W Debug which was established by the AMDKFD_IOC_DBG_REGISTER IOCTL. - AMDKFD_IOC_DBG_ADDRESS_WATCH: This IOCTL allows to set different watchpoints with various conditions as indicated by the IOCTL's arguments. The available number of watchpoints is retrieved from topology. This operation is confined to the current debugged process, which was registered through AMDKFD_IOC_DBG_REGISTER. - AMDKFD_IOC_DBG_WAVE_CONTROL: This IOCTL allows to control a wavefront as indicated by the IOCTL's arguments. For example, you can halt/resume or kill either a single wavefront or a set of wavefronts. This operation is confined to the current debugged process, which was registered through AMDKFD_IOC_DBG_REGISTER. Because the arguments for the address watch IOCTL and wave control IOCTL are dynamic, meaning that they could vary in size, the userspace passes a pointer to a structure (in userspace) that contains the value of the arguments. The kernel driver is responsible to parse this structure and validate its contents. v2: change void* to uint64_t inside ioctl arguments Signed-off-by: Yair Shachar Signed-off-by: Oded Gabbay --- include/uapi/linux/kfd_ioctl.h | 43 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 41 insertions(+), 2 deletions(-) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index 4ca35a8f9891..d6833426fdef 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -128,6 +128,32 @@ struct kfd_ioctl_get_process_apertures_args { uint32_t pad; }; +#define MAX_ALLOWED_NUM_POINTS 100 +#define MAX_ALLOWED_AW_BUFF_SIZE 4096 +#define MAX_ALLOWED_WAC_BUFF_SIZE 128 + +struct kfd_ioctl_dbg_register_args { + uint32_t gpu_id; /* to KFD */ + uint32_t pad; +}; + +struct kfd_ioctl_dbg_unregister_args { + uint32_t gpu_id; /* to KFD */ + uint32_t pad; +}; + +struct kfd_ioctl_dbg_address_watch_args { + uint64_t content_ptr; /* a pointer to the actual content */ + uint32_t gpu_id; /* to KFD */ + uint32_t buf_size_in_bytes; /*including gpu_id and buf_size */ +}; + +struct kfd_ioctl_dbg_wave_control_args { + uint64_t content_ptr; /* a pointer to the actual content */ + uint32_t gpu_id; /* to KFD */ + uint32_t buf_size_in_bytes; /*including gpu_id and buf_size */ +}; + /* Matching HSA_EVENTTYPE */ #define KFD_IOC_EVENT_SIGNAL 0 #define KFD_IOC_EVENT_NODECHANGE 1 @@ -198,7 +224,8 @@ struct kfd_event_data { }; struct kfd_ioctl_wait_events_args { - uint64_t events_ptr; /* to KFD */ + uint64_t events_ptr; /* pointed to struct + kfd_event_data array, to KFD */ uint32_t num_events; /* to KFD */ uint32_t wait_for_all; /* to KFD */ uint32_t timeout; /* to KFD */ @@ -247,7 +274,19 @@ struct kfd_ioctl_wait_events_args { #define AMDKFD_IOC_WAIT_EVENTS \ AMDKFD_IOWR(0x0C, struct kfd_ioctl_wait_events_args) +#define AMDKFD_IOC_DBG_REGISTER \ + AMDKFD_IOW(0x0D, struct kfd_ioctl_dbg_register_args) + +#define AMDKFD_IOC_DBG_UNREGISTER \ + AMDKFD_IOW(0x0E, struct kfd_ioctl_dbg_unregister_args) + +#define AMDKFD_IOC_DBG_ADDRESS_WATCH \ + AMDKFD_IOW(0x0F, struct kfd_ioctl_dbg_address_watch_args) + +#define AMDKFD_IOC_DBG_WAVE_CONTROL \ + AMDKFD_IOW(0x10, struct kfd_ioctl_dbg_wave_control_args) + #define AMDKFD_COMMAND_START 0x01 -#define AMDKFD_COMMAND_END 0x0D +#define AMDKFD_COMMAND_END 0x11 #endif -- cgit v1.2.3 From dc5698e80cf724770283e10414054662bdf6ccfa Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 9 Sep 2013 10:02:56 +1000 Subject: Add virtio gpu driver. This patch adds a kms driver for the virtio gpu. The xorg modesetting driver can handle the device just fine, the framebuffer for fbcon is there too. Qemu patches for the host side are under review currently. The pci version of the device comes in two variants: with and without vga compatibility. The former has a extra memory bar for the vga framebuffer, the later is a pure virtio device. The only concern for this driver is that in the virtio-vga case we have to kick out the firmware framebuffer. Initial revision has only 2d support, 3d (virgl) support requires some more work on the qemu side and will be added later. Signed-off-by: Dave Airlie Signed-off-by: Gerd Hoffmann Acked-by: Michael S. Tsirkin --- include/uapi/linux/Kbuild | 1 + include/uapi/linux/virtio_gpu.h | 204 ++++++++++++++++++++++++++++++++++++++++ include/uapi/linux/virtio_ids.h | 1 + 3 files changed, 206 insertions(+) create mode 100644 include/uapi/linux/virtio_gpu.h (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index 1a0006a76b00..4460e5820b0e 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -430,6 +430,7 @@ header-y += virtio_balloon.h header-y += virtio_blk.h header-y += virtio_config.h header-y += virtio_console.h +header-y += virtio_gpu.h header-y += virtio_ids.h header-y += virtio_input.h header-y += virtio_net.h diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h new file mode 100644 index 000000000000..571c4cbd3f93 --- /dev/null +++ b/include/uapi/linux/virtio_gpu.h @@ -0,0 +1,204 @@ +/* + * Virtio GPU Device + * + * Copyright Red Hat, Inc. 2013-2014 + * + * Authors: + * Dave Airlie + * Gerd Hoffmann + * + * This header is BSD licensed so anyone can use the definitions + * to implement compatible drivers/servers: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of IBM nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL IBM OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef VIRTIO_GPU_HW_H +#define VIRTIO_GPU_HW_H + +enum virtio_gpu_ctrl_type { + VIRTIO_GPU_UNDEFINED = 0, + + /* 2d commands */ + VIRTIO_GPU_CMD_GET_DISPLAY_INFO = 0x0100, + VIRTIO_GPU_CMD_RESOURCE_CREATE_2D, + VIRTIO_GPU_CMD_RESOURCE_UNREF, + VIRTIO_GPU_CMD_SET_SCANOUT, + VIRTIO_GPU_CMD_RESOURCE_FLUSH, + VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D, + VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING, + VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING, + + /* cursor commands */ + VIRTIO_GPU_CMD_UPDATE_CURSOR = 0x0300, + VIRTIO_GPU_CMD_MOVE_CURSOR, + + /* success responses */ + VIRTIO_GPU_RESP_OK_NODATA = 0x1100, + VIRTIO_GPU_RESP_OK_DISPLAY_INFO, + + /* error responses */ + VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200, + VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY, + VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID, + VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID, + VIRTIO_GPU_RESP_ERR_INVALID_CONTEXT_ID, + VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER, +}; + +#define VIRTIO_GPU_FLAG_FENCE (1 << 0) + +struct virtio_gpu_ctrl_hdr { + __le32 type; + __le32 flags; + __le64 fence_id; + __le32 ctx_id; + __le32 padding; +}; + +/* data passed in the cursor vq */ + +struct virtio_gpu_cursor_pos { + __le32 scanout_id; + __le32 x; + __le32 y; + __le32 padding; +}; + +/* VIRTIO_GPU_CMD_UPDATE_CURSOR, VIRTIO_GPU_CMD_MOVE_CURSOR */ +struct virtio_gpu_update_cursor { + struct virtio_gpu_ctrl_hdr hdr; + struct virtio_gpu_cursor_pos pos; /* update & move */ + __le32 resource_id; /* update only */ + __le32 hot_x; /* update only */ + __le32 hot_y; /* update only */ + __le32 padding; +}; + +/* data passed in the control vq, 2d related */ + +struct virtio_gpu_rect { + __le32 x; + __le32 y; + __le32 width; + __le32 height; +}; + +/* VIRTIO_GPU_CMD_RESOURCE_UNREF */ +struct virtio_gpu_resource_unref { + struct virtio_gpu_ctrl_hdr hdr; + __le32 resource_id; + __le32 padding; +}; + +/* VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: create a 2d resource with a format */ +struct virtio_gpu_resource_create_2d { + struct virtio_gpu_ctrl_hdr hdr; + __le32 resource_id; + __le32 format; + __le32 width; + __le32 height; +}; + +/* VIRTIO_GPU_CMD_SET_SCANOUT */ +struct virtio_gpu_set_scanout { + struct virtio_gpu_ctrl_hdr hdr; + struct virtio_gpu_rect r; + __le32 scanout_id; + __le32 resource_id; +}; + +/* VIRTIO_GPU_CMD_RESOURCE_FLUSH */ +struct virtio_gpu_resource_flush { + struct virtio_gpu_ctrl_hdr hdr; + struct virtio_gpu_rect r; + __le32 resource_id; + __le32 padding; +}; + +/* VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: simple transfer to_host */ +struct virtio_gpu_transfer_to_host_2d { + struct virtio_gpu_ctrl_hdr hdr; + struct virtio_gpu_rect r; + __le64 offset; + __le32 resource_id; + __le32 padding; +}; + +struct virtio_gpu_mem_entry { + __le64 addr; + __le32 length; + __le32 padding; +}; + +/* VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING */ +struct virtio_gpu_resource_attach_backing { + struct virtio_gpu_ctrl_hdr hdr; + __le32 resource_id; + __le32 nr_entries; +}; + +/* VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING */ +struct virtio_gpu_resource_detach_backing { + struct virtio_gpu_ctrl_hdr hdr; + __le32 resource_id; + __le32 padding; +}; + +/* VIRTIO_GPU_RESP_OK_DISPLAY_INFO */ +#define VIRTIO_GPU_MAX_SCANOUTS 16 +struct virtio_gpu_resp_display_info { + struct virtio_gpu_ctrl_hdr hdr; + struct virtio_gpu_display_one { + struct virtio_gpu_rect r; + __le32 enabled; + __le32 flags; + } pmodes[VIRTIO_GPU_MAX_SCANOUTS]; +}; + +#define VIRTIO_GPU_EVENT_DISPLAY (1 << 0) + +struct virtio_gpu_config { + __u32 events_read; + __u32 events_clear; + __u32 num_scanouts; + __u32 reserved; +}; + +/* simple formats for fbcon/X use */ +enum virtio_gpu_formats { + VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM = 1, + VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM = 2, + VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM = 3, + VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM = 4, + + VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM = 67, + VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM = 68, + + VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM = 121, + VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM = 134, +}; + +#endif diff --git a/include/uapi/linux/virtio_ids.h b/include/uapi/linux/virtio_ids.h index 5f60aa4be50a..77925f587b15 100644 --- a/include/uapi/linux/virtio_ids.h +++ b/include/uapi/linux/virtio_ids.h @@ -39,6 +39,7 @@ #define VIRTIO_ID_9P 9 /* 9p virtio console */ #define VIRTIO_ID_RPROC_SERIAL 11 /* virtio remoteproc serial link */ #define VIRTIO_ID_CAIF 12 /* Virtio caif */ +#define VIRTIO_ID_GPU 16 /* virtio GPU */ #define VIRTIO_ID_INPUT 18 /* virtio input */ #endif /* _LINUX_VIRTIO_IDS_H */ -- cgit v1.2.3