From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756075AbaHEPdm (ORCPT ); Tue, 5 Aug 2014 11:33:42 -0400 Received: from mail-bl2lp0212.outbound.protection.outlook.com ([207.46.163.212]:52708 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756037AbaHEPdk (ORCPT ); Tue, 5 Aug 2014 11:33:40 -0400 X-WSS-ID: 0N9UB7K-08-R67-02 X-M-MSG: From: Oded Gabbay To: , , "David Airlie" , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Alexander Deucher CC: Andrew Morton , , "Joerg Roedel" , , , , Alexey Skidanov , Oded Gabbay Subject: [PATCH v3 23/23] amdkfd: Implement the Get Process Aperture IOCTL Date: Tue, 5 Aug 2014 18:30:51 +0300 Message-ID: <1407252651-3539-24-git-send-email-oded.gabbay@amd.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1407252651-3539-1-git-send-email-oded.gabbay@amd.com> References: <1407252651-3539-1-git-send-email-oded.gabbay@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.20.0.84] X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:165.204.84.222;CTRY:US;IPV:NLI;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(6009001)(428002)(199002)(189002)(95666004)(81342001)(46102001)(76176999)(20776003)(47776003)(575784001)(86362001)(31966008)(74662001)(74502001)(102836001)(106466001)(50226001)(4396001)(80022001)(64706001)(50986999)(92726001)(105586002)(99396002)(81542001)(85306004)(92566001)(77096002)(50466002)(21056001)(36756003)(68736004)(62966002)(85852003)(79102001)(84676001)(89996001)(76482001)(88136002)(77982001)(83072002)(87936001)(33646002)(101416001)(104166001)(87286001)(48376002)(107046002)(229853001)(44976005)(19580405001)(97736001)(83322001)(19580395003)(77156001);DIR:OUT;SFP:;SCL:1;SRVR:CO1PR02MB046;H:atltwp02.amd.com;FPR:;MLV:sfv;PTR:InfoDomainNonexistent;MX:1;LANG:en; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID: X-Forefront-PRVS: 02945962BD Authentication-Results: spf=none (sender IP is 165.204.84.222) smtp.mailfrom=Oded.Gabbay@amd.com; X-OriginatorOrg: amd4.onmicrosoft.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexey Skidanov v3: fix debug msg Signed-off-by: Alexey Skidanov Signed-off-by: Oded Gabbay --- drivers/gpu/drm/radeon/amdkfd/kfd_chardev.c | 47 ++++++++++++++++++++++++++++- drivers/gpu/drm/radeon/amdkfd/kfd_priv.h | 5 +++ 2 files changed, 51 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/amdkfd/kfd_chardev.c b/drivers/gpu/drm/radeon/amdkfd/kfd_chardev.c index eba5b5d..5ee0cda 100644 --- a/drivers/gpu/drm/radeon/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/radeon/amdkfd/kfd_chardev.c @@ -397,7 +397,52 @@ static long kfd_ioctl_get_clock_counters(struct file *filep, struct kfd_process static int kfd_ioctl_get_process_apertures(struct file *filp, struct kfd_process *p, void __user *arg) { - return -ENODEV; + struct kfd_ioctl_get_process_apertures_args args; + struct kfd_process_device *pdd; + + dev_dbg(kfd_device, "get apertures for PASID %d", p->pasid); + + if (copy_from_user(&args, arg, sizeof(args))) + return -EFAULT; + + args.num_of_nodes = 0; + + mutex_lock(&p->mutex); + + /*if the process-device list isn't empty*/ + if (kfd_has_process_device_data(p)) { + /* Run over all pdd of the process */ + pdd = kfd_get_first_process_device_data(p); + do { + + args.process_apertures[args.num_of_nodes].gpu_id = pdd->dev->id; + args.process_apertures[args.num_of_nodes].lds_base = pdd->lds_base; + args.process_apertures[args.num_of_nodes].lds_limit = pdd->lds_limit; + args.process_apertures[args.num_of_nodes].gpuvm_base = pdd->gpuvm_base; + args.process_apertures[args.num_of_nodes].gpuvm_limit = pdd->gpuvm_limit; + args.process_apertures[args.num_of_nodes].scratch_base = pdd->scratch_base; + args.process_apertures[args.num_of_nodes].scratch_limit = pdd->scratch_limit; + + dev_dbg(kfd_device, "node id %u\n", args.num_of_nodes); + dev_dbg(kfd_device, "gpu id %u\n", pdd->dev->id); + dev_dbg(kfd_device, "lds_base %llX\n", pdd->lds_base); + dev_dbg(kfd_device, "lds_limit %llX\n", pdd->lds_limit); + dev_dbg(kfd_device, "gpuvm_base %llX\n", pdd->gpuvm_base); + dev_dbg(kfd_device, "gpuvm_limit %llX\n", pdd->gpuvm_limit); + dev_dbg(kfd_device, "scratch_base %llX\n", pdd->scratch_base); + dev_dbg(kfd_device, "scratch_limit %llX\n", pdd->scratch_limit); + + args.num_of_nodes++; + } while ((pdd = kfd_get_next_process_device_data(p, pdd)) != NULL && + (args.num_of_nodes < NUM_OF_SUPPORTED_GPUS)); + } + + mutex_unlock(&p->mutex); + + if (copy_to_user(arg, &args, sizeof(args))) + return -EFAULT; + + return 0; } static long kfd_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) diff --git a/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h b/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h index 0e3e18f..9f49f11 100644 --- a/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h @@ -445,6 +445,11 @@ struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, struct kfd_process *p, int create_pdd); +/* Process device data iterator */ +struct kfd_process_device *kfd_get_first_process_device_data(struct kfd_process *p); +struct kfd_process_device *kfd_get_next_process_device_data(struct kfd_process *p, struct kfd_process_device *pdd); +bool kfd_has_process_device_data(struct kfd_process *p); + /* PASIDs */ int kfd_pasid_init(void); void kfd_pasid_exit(void); -- 1.9.1