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Sat, 8 Nov 2014 12:40:23 -0600 Received: from odedg-kaveri.amd.com (10.180.168.240) by SATLEXDAG02.amd.com (10.181.40.5) with Microsoft SMTP Server (TLS) id 14.3.195.1; Sat, 8 Nov 2014 13:40:12 -0500 From: Oded Gabbay To: David Airlie , Alex Deucher , Jerome Glisse Subject: [PATCH v5 07/24] amdkfd: Add IOCTL set definitions of amdkfd Date: Sat, 8 Nov 2014 20:37:28 +0200 Message-ID: <1415471865-1893-8-git-send-email-oded.gabbay@amd.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1415471865-1893-1-git-send-email-oded.gabbay@amd.com> References: <1415471865-1893-1-git-send-email-oded.gabbay@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:165.204.84.221; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(428002)(51234002)(189002)(199003)(101416001)(89996001)(88136002)(68736004)(19580395003)(19580405001)(97736003)(76176999)(99396003)(120916001)(104166001)(84676001)(87286001)(102836001)(50986999)(44976005)(92566001)(33646002)(87936001)(46102003)(31966008)(4396001)(50226001)(107046002)(229853001)(105586002)(62966003)(50466002)(77156002)(92726001)(48376002)(77096003)(53416004)(93916002)(21056001)(95666004)(86362001)(47776003)(106466001)(64706001)(36756003)(20776003)(129583001); DIR:OUT; SFP:1102; SCL:1; SRVR:BY1PR0201MB1077; H:atltwp01.amd.com; FPR:; MLV:sfv; PTR:InfoDomainNonexistent; MX:1; A:1; LANG:en; X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BY1PR0201MB1077; X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA: BCL:0;PCL:0;RULEID:;SRVR:BY1PR0201MB1077; X-Forefront-PRVS: 0389EDA07F Received-SPF: None (protection.outlook.com: amd.com does not designate permitted sender hosts) Authentication-Results: spf=none (sender IP is 165.204.84.221) smtp.mailfrom=Oded.Gabbay@amd.com; X-Exchange-Antispam-Report-CFA: BCL:0;PCL:0;RULEID:;SRVR:BY1PR0201MB1077; X-OriginatorOrg: amd4.onmicrosoft.com Cc: linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP - KFD_IOC_GET_VERSION: Retrieves the interface version of amdkfd - KFD_IOC_CREATE_QUEUE: Creates a usermode queue that runs on a specific GPU device - KFD_IOC_DESTROY_QUEUE: Destroys an existing usermode queue - KFD_IOC_SET_MEMORY_POLICY: Sets the memory policy of the default and alternate aperture of the calling process - KFD_IOC_GET_CLOCK_COUNTERS: Retrieves counters (timestamps) of CPU and GPU - KFD_IOC_GET_PROCESS_APERTURES: Retrieves information about process apertures that were initialized during the open() call of the amdkfd device - KFD_IOC_UPDATE_QUEUE: Updates configuration of an existing usermode queue v3: Remove pragma pack and pmc ioctls. Added parameter for doorbell offset and a comment on counters v5: Add define for AQL queues. Fix arguments of Get Version IOCTL Make IOCTL's structures to be the same size on 32/64 bit Signed-off-by: Oded Gabbay --- include/uapi/linux/kfd_ioctl.h | 154 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 154 insertions(+) create mode 100644 include/uapi/linux/kfd_ioctl.h diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h new file mode 100644 index 0000000..fa1bc6d --- /dev/null +++ b/include/uapi/linux/kfd_ioctl.h @@ -0,0 +1,154 @@ +/* + * Copyright 2014 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef KFD_IOCTL_H_INCLUDED +#define KFD_IOCTL_H_INCLUDED + +#include +#include + +#define KFD_IOCTL_MAJOR_VERSION 1 +#define KFD_IOCTL_MINOR_VERSION 2 + +struct kfd_ioctl_get_version_args { + uint32_t major_version; /* from KFD */ + uint32_t minor_version; /* from KFD */ +}; + +/* For kfd_ioctl_create_queue_args.queue_type. */ +#define KFD_IOC_QUEUE_TYPE_COMPUTE 0 +#define KFD_IOC_QUEUE_TYPE_SDMA 1 +#define KFD_IOC_QUEUE_TYPE_COMPUTE_AQL 2 + +#define KFD_MAX_QUEUE_PERCENTAGE 100 +#define KFD_MAX_QUEUE_PRIORITY 15 + +struct kfd_ioctl_create_queue_args { + uint64_t ring_base_address; /* to KFD */ + uint64_t write_pointer_address; /* from KFD */ + uint64_t read_pointer_address; /* from KFD */ + uint64_t doorbell_offset; /* from KFD */ + + uint32_t ring_size; /* to KFD */ + uint32_t gpu_id; /* to KFD */ + uint32_t queue_type; /* to KFD */ + uint32_t queue_percentage; /* to KFD */ + uint32_t queue_priority; /* to KFD */ + uint32_t queue_id; /* from KFD */ + + uint64_t eop_buffer_address; /* to KFD */ + uint64_t eop_buffer_size; /* to KFD */ + uint64_t ctx_save_restore_address; /* to KFD */ + uint64_t ctx_save_restore_size; /* to KFD */ +}; + +struct kfd_ioctl_destroy_queue_args { + uint32_t queue_id; /* to KFD */ + uint32_t pad; +}; + +struct kfd_ioctl_update_queue_args { + uint64_t ring_base_address; /* to KFD */ + + uint32_t queue_id; /* to KFD */ + uint32_t ring_size; /* to KFD */ + uint32_t queue_percentage; /* to KFD */ + uint32_t queue_priority; /* to KFD */ +}; + +/* For kfd_ioctl_set_memory_policy_args.default_policy and alternate_policy */ +#define KFD_IOC_CACHE_POLICY_COHERENT 0 +#define KFD_IOC_CACHE_POLICY_NONCOHERENT 1 + +struct kfd_ioctl_set_memory_policy_args { + uint64_t alternate_aperture_base; /* to KFD */ + uint64_t alternate_aperture_size; /* to KFD */ + + uint32_t gpu_id; /* to KFD */ + uint32_t default_policy; /* to KFD */ + uint32_t alternate_policy; /* to KFD */ + uint32_t pad; +}; + +/* + * All counters are monotonic. They are used for profiling of compute jobs. + * The profiling is done by userspace. + * + * In case of GPU reset, the counter should not be affected. + */ + +struct kfd_ioctl_get_clock_counters_args { + uint64_t gpu_clock_counter; /* from KFD */ + uint64_t cpu_clock_counter; /* from KFD */ + uint64_t system_clock_counter; /* from KFD */ + uint64_t system_clock_freq; /* from KFD */ + + uint32_t gpu_id; /* to KFD */ + uint32_t pad; +}; + +#define NUM_OF_SUPPORTED_GPUS 7 + +struct kfd_process_device_apertures { + uint64_t lds_base; /* from KFD */ + uint64_t lds_limit; /* from KFD */ + uint64_t scratch_base; /* from KFD */ + uint64_t scratch_limit; /* from KFD */ + uint64_t gpuvm_base; /* from KFD */ + uint64_t gpuvm_limit; /* from KFD */ + uint32_t gpu_id; /* from KFD */ + uint32_t pad; +}; + +struct kfd_ioctl_get_process_apertures_args { + struct kfd_process_device_apertures + process_apertures[NUM_OF_SUPPORTED_GPUS];/* from KFD */ + + /* from KFD, should be in the range [1 - NUM_OF_SUPPORTED_GPUS] */ + uint32_t num_of_nodes; + uint32_t pad; +}; + +#define KFD_IOC_MAGIC 'K' + +#define KFD_IOC_GET_VERSION \ + _IOR(KFD_IOC_MAGIC, 1, struct kfd_ioctl_get_version_args) + +#define KFD_IOC_CREATE_QUEUE \ + _IOWR(KFD_IOC_MAGIC, 2, struct kfd_ioctl_create_queue_args) + +#define KFD_IOC_DESTROY_QUEUE \ + _IOWR(KFD_IOC_MAGIC, 3, struct kfd_ioctl_destroy_queue_args) + +#define KFD_IOC_SET_MEMORY_POLICY \ + _IOW(KFD_IOC_MAGIC, 4, struct kfd_ioctl_set_memory_policy_args) + +#define KFD_IOC_GET_CLOCK_COUNTERS \ + _IOWR(KFD_IOC_MAGIC, 5, struct kfd_ioctl_get_clock_counters_args) + +#define KFD_IOC_GET_PROCESS_APERTURES \ + _IOR(KFD_IOC_MAGIC, 6, struct kfd_ioctl_get_process_apertures_args) + +#define KFD_IOC_UPDATE_QUEUE \ + _IOW(KFD_IOC_MAGIC, 7, struct kfd_ioctl_update_queue_args) + +#endif