Message-ID: <1405603773-32688-15-git-send-email-oded.gabbay@amd.com>
Date:	Thu, 17 Jul 2014 16:29:21 +0300
From:	Oded Gabbay <oded.gabbay@....com>
To:	David Airlie <airlied@...ux.ie>,
	Jerome Glisse <j.glisse@...il.com>,
	"Alex Deucher" <alexdeucher@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	John Bridgman <John.Bridgman@....com>,
	Joerg Roedel <joro@...tes.org>,
	Andrew Lewycky <Andrew.Lewycky@....com>,
	Christian König <deathsimple@...afone.de>,
	Michel Dänzer <michel.daenzer@....com>,
	Ben Goz <Ben.Goz@....com>,
	Alexey Skidanov <Alexey.Skidanov@....com>,
	Evgeny Pinchuk <Evgeny.Pinchuk@....com>,
	Ben Goz <ben.goz@....com>, Oded Gabbay <oded.gabbay@....com>,
	Alex Deucher <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>,
	<linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>
Subject: [PATCH v2 14/25] amdkfd: Add mqd_manager module

From: Ben Goz <ben.goz@....com>

The mqd_manager module handles MQD data structures. MQD stands for Memory Queue Descriptor, which is used by the H/W to keep the usermode queue state in memory.

Signed-off-by: Ben Goz <ben.goz@....com>
Signed-off-by: Oded Gabbay <oded.gabbay@....com>
---
 drivers/gpu/drm/radeon/amdkfd/Makefile          |   2 +-
 drivers/gpu/drm/radeon/amdkfd/cik_mqds.h        | 185 +++++++++++++++
 drivers/gpu/drm/radeon/amdkfd/cik_regs.h        | 220 ++++++++++++++++++
 drivers/gpu/drm/radeon/amdkfd/kfd_mqd_manager.c | 291 ++++++++++++++++++++++++
 drivers/gpu/drm/radeon/amdkfd/kfd_mqd_manager.h |  54 +++++
 drivers/gpu/drm/radeon/amdkfd/kfd_priv.h        |   8 +
 6 files changed, 759 insertions(+), 1 deletion(-)
 create mode 100644 drivers/gpu/drm/radeon/amdkfd/cik_mqds.h
 create mode 100644 drivers/gpu/drm/radeon/amdkfd/cik_regs.h
 create mode 100644 drivers/gpu/drm/radeon/amdkfd/kfd_mqd_manager.c
 create mode 100644 drivers/gpu/drm/radeon/amdkfd/kfd_mqd_manager.h

diff --git a/drivers/gpu/drm/radeon/amdkfd/Makefile b/drivers/gpu/drm/radeon/amdkfd/Makefile
index dbff147..b5201f4 100644
--- a/drivers/gpu/drm/radeon/amdkfd/Makefile
+++ b/drivers/gpu/drm/radeon/amdkfd/Makefile
@@ -6,6 +6,6 @@ ccflags-y := -Iinclude/drm
 
 amdkfd-y	:= kfd_module.o kfd_device.o kfd_chardev.o kfd_topology.o \
 		kfd_pasid.o kfd_doorbell.o kfd_vidmem.o kfd_aperture.o \
-		kfd_process.o kfd_queue.o
+		kfd_process.o kfd_queue.o kfd_mqd_manager.o
 
 obj-$(CONFIG_HSA_RADEON)	+= amdkfd.o
diff --git a/drivers/gpu/drm/radeon/amdkfd/cik_mqds.h b/drivers/gpu/drm/radeon/amdkfd/cik_mqds.h
new file mode 100644
index 0000000..ce75604
--- /dev/null
+++ b/drivers/gpu/drm/radeon/amdkfd/cik_mqds.h
@@ -0,0 +1,185 @@
+/*
+ * 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 CIK_MQDS_H_
+#define CIK_MQDS_H_
+
+#pragma pack(push, 4)
+
+struct cik_hpd_registers {
+	u32 cp_hpd_roq_offsets;
+	u32 cp_hpd_eop_base_addr;
+	u32 cp_hpd_eop_base_addr_hi;
+	u32 cp_hpd_eop_vmid;
+	u32 cp_hpd_eop_control;
+};
+
+/* This structure represents mqd used for cp scheduling queue
+ * taken from Gfx72_cp_program_spec.pdf
+ */
+struct cik_compute_mqd {
+	u32 header;
+	u32 compute_dispatch_initiator;
+	u32 compute_dim_x;
+	u32 compute_dim_y;
+	u32 compute_dim_z;
+	u32 compute_start_x;
+	u32 compute_start_y;
+	u32 compute_start_z;
+	u32 compute_num_thread_x;
+	u32 compute_num_thread_y;
+	u32 compute_num_thread_z;
+	u32 compute_pipelinestat_enable;
+	u32 compute_perfcount_enable;
+	u32 compute_pgm_lo;
+	u32 compute_pgm_hi;
+	u32 compute_tba_lo;
+	u32 compute_tba_hi;
+	u32 compute_tma_lo;
+	u32 compute_tma_hi;
+	u32 compute_pgm_rsrc1;
+	u32 compute_pgm_rsrc2;
+	u32 compute_vmid;
+	u32 compute_resource_limits;
+	u32 compute_static_thread_mgmt_se0;
+	u32 compute_static_thread_mgmt_se1;
+	u32 compute_tmpring_size;
+	u32 compute_static_thread_mgmt_se2;
+	u32 compute_static_thread_mgmt_se3;
+	u32 compute_restart_x;
+	u32 compute_restart_y;
+	u32 compute_restart_z;
+	u32 compute_thread_trace_enable;
+	u32 compute_misc_reserved;
+	u32 compute_user_data[16];
+	u32 vgt_csinvoc_count_lo;
+	u32 vgt_csinvoc_count_hi;
+	u32 cp_mqd_base_addr51;
+	u32 cp_mqd_base_addr_hi;
+	u32 cp_hqd_active;
+	u32 cp_hqd_vmid;
+	u32 cp_hqd_persistent_state;
+	u32 cp_hqd_pipe_priority;
+	u32 cp_hqd_queue_priority;
+	u32 cp_hqd_quantum;
+	u32 cp_hqd_pq_base;
+	u32 cp_hqd_pq_base_hi;
+	u32 cp_hqd_pq_rptr;
+	u32 cp_hqd_pq_rptr_report_addr;
+	u32 cp_hqd_pq_rptr_report_addr_hi;
+	u32 cp_hqd_pq_wptr_poll_addr;
+	u32 cp_hqd_pq_wptr_poll_addr_hi;
+	u32 cp_hqd_pq_doorbell_control;
+	u32 cp_hqd_pq_wptr;
+	u32 cp_hqd_pq_control;
+	u32 cp_hqd_ib_base_addr;
+	u32 cp_hqd_ib_base_addr_hi;
+	u32 cp_hqd_ib_rptr;
+	u32 cp_hqd_ib_control;
+	u32 cp_hqd_iq_timer;
+	u32 cp_hqd_iq_rptr;
+	u32 cp_hqd_dequeue_request;
+	u32 cp_hqd_dma_offload;
+	u32 cp_hqd_sema_cmd;
+	u32 cp_hqd_msg_type;
+	u32 cp_hqd_atomic0_preop_lo;
+	u32 cp_hqd_atomic0_preop_hi;
+	u32 cp_hqd_atomic1_preop_lo;
+	u32 cp_hqd_atomic1_preop_hi;
+	u32 cp_hqd_hq_scheduler0;
+	u32 cp_hqd_hq_scheduler1;
+	u32 cp_mqd_control;
+	u32 reserved1[10];
+	u32 cp_mqd_query_time_lo;
+	u32 cp_mqd_query_time_hi;
+	u32 reserved2[4];
+	u32 cp_mqd_connect_start_time_lo;
+	u32 cp_mqd_connect_start_time_hi;
+	u32 cp_mqd_connect_end_time_lo;
+	u32 cp_mqd_connect_end_time_hi;
+	u32 cp_mqd_connect_end_wf_count;
+	u32 cp_mqd_connect_end_pq_rptr;
+	u32 cp_mqd_connect_end_pq_wptr;
+	u32 cp_mqd_connect_end_ib_rptr;
+	u32 reserved3[18];
+};
+
+/* This structure represents all *IQs
+ * Taken from Gfx73_CPC_Eng_Init_Prog.pdf
+ */
+struct cik_interface_mqd {
+	u32 reserved1[128];
+	u32 cp_mqd_base_addr;
+	u32 cp_mqd_base_addr_hi;
+	u32 cp_hqd_active;
+	u32 cp_hqd_vmid;
+	u32 cp_hqd_persistent_state;
+	u32 cp_hqd_pipe_priority;
+	u32 cp_hqd_queue_priority;
+	u32 cp_hqd_quantum;
+	u32 cp_hqd_pq_base;
+	u32 cp_hqd_pq_base_hi;
+	u32 cp_hqd_pq_rptr;
+	u32 cp_hqd_pq_rptr_report_addr;
+	u32 cp_hqd_pq_rptr_report_addr_hi;
+	u32 cp_hqd_pq_wptr_poll_addr;
+	u32 cp_hqd_pq_wptr_poll_addr_hi;
+	u32 cp_hqd_pq_doorbell_control;
+	u32 cp_hqd_pq_wptr;
+	u32 cp_hqd_pq_control;
+	u32 cp_hqd_ib_base_addr;
+	u32 cp_hqd_ib_base_addr_hi;
+	u32 cp_hqd_ib_rptr;
+	u32 cp_hqd_ib_control;
+	u32 cp_hqd_iq_timer;
+	u32 cp_hqd_iq_rptr;
+	u32 cp_hqd_dequeue_request;
+	u32 cp_hqd_dma_offload;
+	u32 cp_hqd_sema_cmd;
+	u32 cp_hqd_msg_type;
+	u32 cp_hqd_atomic0_preop_lo;
+	u32 cp_hqd_atomic0_preop_hi;
+	u32 cp_hqd_atomic1_preop_lo;
+	u32 cp_hqd_atomic1_preop_hi;
+	u32 cp_hqd_hq_status0;
+	u32 cp_hqd_hq_control0;
+	u32 cp_mqd_control;
+	u32 reserved2[3];
+	u32 cp_hqd_hq_status1;
+	u32 cp_hqd_hq_control1;
+	u32 reserved3[16];
+	u32 cp_hqd_hq_status2;
+	u32 cp_hqd_hq_control2;
+	u32 cp_hqd_hq_status3;
+	u32 cp_hqd_hq_control3;
+	u32 reserved4[2];
+	u32 cp_mqd_query_time_lo;
+	u32 cp_mqd_query_time_hi;
+	u32 reserved5[48];
+	u32 cp_mqd_skip_process[16];
+};
+
+#pragma pack(pop)
+
+
+#endif /* CIK_MQDS_H_ */
diff --git a/drivers/gpu/drm/radeon/amdkfd/cik_regs.h b/drivers/gpu/drm/radeon/amdkfd/cik_regs.h
new file mode 100644
index 0000000..a6404e3
--- /dev/null
+++ b/drivers/gpu/drm/radeon/amdkfd/cik_regs.h
@@ -0,0 +1,220 @@
+/*
+ * 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 CIK_REGS_H
+#define CIK_REGS_H
+
+#define IH_VMID_0_LUT					0x3D40u
+
+#define BIF_DOORBELL_CNTL				0x530Cu
+
+#define	SRBM_GFX_CNTL					0xE44
+#define	PIPEID(x)					((x) << 0)
+#define	MEID(x)						((x) << 2)
+#define	VMID(x)						((x) << 4)
+#define	QUEUEID(x)					((x) << 8)
+
+#define	SQ_CONFIG					0x8C00
+
+#define	SH_MEM_BASES					0x8C28
+/* if PTR32, these are the bases for scratch and lds */
+#define	PRIVATE_BASE(x)					((x) << 0) /* scratch */
+#define	SHARED_BASE(x)					((x) << 16) /* LDS */
+#define	SH_MEM_APE1_BASE				0x8C2C
+/* if PTR32, this is the base location of GPUVM */
+#define	SH_MEM_APE1_LIMIT				0x8C30
+/* if PTR32, this is the upper limit of GPUVM */
+#define	SH_MEM_CONFIG					0x8C34
+#define	PTR32						(1 << 0)
+#define PRIVATE_ATC					(1 << 1)
+#define	ALIGNMENT_MODE(x)				((x) << 2)
+#define	SH_MEM_ALIGNMENT_MODE_DWORD			0
+#define	SH_MEM_ALIGNMENT_MODE_DWORD_STRICT		1
+#define	SH_MEM_ALIGNMENT_MODE_STRICT			2
+#define	SH_MEM_ALIGNMENT_MODE_UNALIGNED			3
+#define	DEFAULT_MTYPE(x)				((x) << 4)
+#define	APE1_MTYPE(x)					((x) << 7)
+
+/* valid for both DEFAULT_MTYPE and APE1_MTYPE */
+#define	MTYPE_CACHED					0
+#define	MTYPE_NONCACHED					3
+
+
+#define SH_STATIC_MEM_CONFIG				0x9604u
+
+#define	TC_CFG_L1_LOAD_POLICY0				0xAC68
+#define	TC_CFG_L1_LOAD_POLICY1				0xAC6C
+#define	TC_CFG_L1_STORE_POLICY				0xAC70
+#define	TC_CFG_L2_LOAD_POLICY0				0xAC74
+#define	TC_CFG_L2_LOAD_POLICY1				0xAC78
+#define	TC_CFG_L2_STORE_POLICY0				0xAC7C
+#define	TC_CFG_L2_STORE_POLICY1				0xAC80
+#define	TC_CFG_L2_ATOMIC_POLICY				0xAC84
+#define	TC_CFG_L1_VOLATILE				0xAC88
+#define	TC_CFG_L2_VOLATILE				0xAC8C
+
+#define CP_PQ_WPTR_POLL_CNTL				0xC20C
+#define	WPTR_POLL_EN					(1 << 31)
+
+#define CPC_INT_CNTL					0xC2D0
+#define CP_ME1_PIPE0_INT_CNTL				0xC214
+#define CP_ME1_PIPE1_INT_CNTL				0xC218
+#define CP_ME1_PIPE2_INT_CNTL				0xC21C
+#define CP_ME1_PIPE3_INT_CNTL				0xC220
+#define CP_ME2_PIPE0_INT_CNTL				0xC224
+#define CP_ME2_PIPE1_INT_CNTL				0xC228
+#define CP_ME2_PIPE2_INT_CNTL				0xC22C
+#define CP_ME2_PIPE3_INT_CNTL				0xC230
+#define DEQUEUE_REQUEST_INT_ENABLE			(1 << 13)
+#define WRM_POLL_TIMEOUT_INT_ENABLE			(1 << 17)
+#define PRIV_REG_INT_ENABLE				(1 << 23)
+#define TIME_STAMP_INT_ENABLE				(1 << 26)
+#define GENERIC2_INT_ENABLE				(1 << 29)
+#define GENERIC1_INT_ENABLE				(1 << 30)
+#define GENERIC0_INT_ENABLE				(1 << 31)
+#define CP_ME1_PIPE0_INT_STATUS				0xC214
+#define CP_ME1_PIPE1_INT_STATUS				0xC218
+#define CP_ME1_PIPE2_INT_STATUS				0xC21C
+#define CP_ME1_PIPE3_INT_STATUS				0xC220
+#define CP_ME2_PIPE0_INT_STATUS				0xC224
+#define CP_ME2_PIPE1_INT_STATUS				0xC228
+#define CP_ME2_PIPE2_INT_STATUS				0xC22C
+#define CP_ME2_PIPE3_INT_STATUS				0xC230
+#define DEQUEUE_REQUEST_INT_STATUS			(1 << 13)
+#define WRM_POLL_TIMEOUT_INT_STATUS			(1 << 17)
+#define PRIV_REG_INT_STATUS				(1 << 23)
+#define TIME_STAMP_INT_STATUS				(1 << 26)
+#define GENERIC2_INT_STATUS				(1 << 29)
+#define GENERIC1_INT_STATUS				(1 << 30)
+#define GENERIC0_INT_STATUS				(1 << 31)
+
+#define CP_HPD_EOP_BASE_ADDR				0xC904
+#define CP_HPD_EOP_BASE_ADDR_HI				0xC908
+#define CP_HPD_EOP_VMID					0xC90C
+#define CP_HPD_EOP_CONTROL				0xC910
+#define	EOP_SIZE(x)					((x) << 0)
+#define	EOP_SIZE_MASK					(0x3f << 0)
+#define CP_MQD_BASE_ADDR				0xC914
+#define CP_MQD_BASE_ADDR_HI				0xC918
+#define CP_HQD_ACTIVE					0xC91C
+#define CP_HQD_VMID					0xC920
+
+#define CP_HQD_PERSISTENT_STATE				0xC924u
+#define	DEFAULT_CP_HQD_PERSISTENT_STATE			(0x33U << 8)
+
+#define CP_HQD_PIPE_PRIORITY				0xC928u
+#define CP_HQD_QUEUE_PRIORITY				0xC92Cu
+#define CP_HQD_QUANTUM					0xC930u
+#define	QUANTUM_EN					1U
+#define	QUANTUM_SCALE_1MS				(1U << 4)
+#define	QUANTUM_DURATION(x)				((x) << 8)
+
+#define CP_HQD_PQ_BASE					0xC934
+#define CP_HQD_PQ_BASE_HI				0xC938
+#define CP_HQD_PQ_RPTR					0xC93C
+#define CP_HQD_PQ_RPTR_REPORT_ADDR			0xC940
+#define CP_HQD_PQ_RPTR_REPORT_ADDR_HI			0xC944
+#define CP_HQD_PQ_WPTR_POLL_ADDR			0xC948
+#define CP_HQD_PQ_WPTR_POLL_ADDR_HI			0xC94C
+#define CP_HQD_PQ_DOORBELL_CONTROL			0xC950
+#define	DOORBELL_OFFSET(x)				((x) << 2)
+#define	DOORBELL_OFFSET_MASK				(0x1fffff << 2)
+#define	DOORBELL_SOURCE					(1 << 28)
+#define	DOORBELL_SCHD_HIT				(1 << 29)
+#define	DOORBELL_EN					(1 << 30)
+#define	DOORBELL_HIT					(1 << 31)
+#define CP_HQD_PQ_WPTR					0xC954
+#define CP_HQD_PQ_CONTROL				0xC958
+#define	QUEUE_SIZE(x)					((x) << 0)
+#define	QUEUE_SIZE_MASK					(0x3f << 0)
+#define	RPTR_BLOCK_SIZE(x)				((x) << 8)
+#define	RPTR_BLOCK_SIZE_MASK				(0x3f << 8)
+#define	MIN_AVAIL_SIZE(x)				((x) << 20)
+#define	PQ_ATC_EN					(1 << 23)
+#define	PQ_VOLATILE					(1 << 26)
+#define	NO_UPDATE_RPTR					(1 << 27)
+#define	UNORD_DISPATCH					(1 << 28)
+#define	ROQ_PQ_IB_FLIP					(1 << 29)
+#define	PRIV_STATE					(1 << 30)
+#define	KMD_QUEUE					(1 << 31)
+
+#define	DEFAULT_RPTR_BLOCK_SIZE				RPTR_BLOCK_SIZE(5)
+#define	DEFAULT_MIN_AVAIL_SIZE				MIN_AVAIL_SIZE(3)
+
+#define CP_HQD_IB_BASE_ADDR				0xC95Cu
+#define CP_HQD_IB_BASE_ADDR_HI				0xC960u
+#define CP_HQD_IB_RPTR					0xC964u
+#define CP_HQD_IB_CONTROL				0xC968u
+#define	IB_ATC_EN					(1U << 23)
+#define	DEFAULT_MIN_IB_AVAIL_SIZE			(3U << 20)
+
+#define CP_HQD_DEQUEUE_REQUEST				0xC974
+#define	DEQUEUE_REQUEST_DRAIN				1
+#define DEQUEUE_REQUEST_RESET				2
+#define		DEQUEUE_INT					(1U << 8)
+
+#define CP_HQD_SEMA_CMD					0xC97Cu
+#define CP_HQD_MSG_TYPE					0xC980u
+#define CP_HQD_ATOMIC0_PREOP_LO				0xC984u
+#define CP_HQD_ATOMIC0_PREOP_HI				0xC988u
+#define CP_HQD_ATOMIC1_PREOP_LO				0xC98Cu
+#define CP_HQD_ATOMIC1_PREOP_HI				0xC990u
+#define CP_HQD_HQ_SCHEDULER0				0xC994u
+#define CP_HQD_HQ_SCHEDULER1				0xC998u
+
+
+#define CP_MQD_CONTROL					0xC99C
+#define	MQD_VMID(x)					((x) << 0)
+#define	MQD_VMID_MASK					(0xf << 0)
+#define	MQD_CONTROL_PRIV_STATE_EN			(1U << 8)
+
+#define GRBM_GFX_INDEX					0x30800
+#define	INSTANCE_INDEX(x)				((x) << 0)
+#define	SH_INDEX(x)					((x) << 8)
+#define	SE_INDEX(x)					((x) << 16)
+#define	SH_BROADCAST_WRITES				(1 << 29)
+#define	INSTANCE_BROADCAST_WRITES			(1 << 30)
+#define	SE_BROADCAST_WRITES				(1 << 31)
+
+#define SQC_CACHES					0x30d20
+#define SQC_POLICY					0x8C38u
+#define SQC_VOLATILE					0x8C3Cu
+
+#define CP_PERFMON_CNTL					0x36020
+
+#define ATC_VMID0_PASID_MAPPING				0x339Cu
+#define	ATC_VMID_PASID_MAPPING_UPDATE_STATUS		0x3398u
+#define	ATC_VMID_PASID_MAPPING_VALID			(1U << 31)
+
+#define ATC_VM_APERTURE0_CNTL				0x3310u
+#define	ATS_ACCESS_MODE_NEVER				0
+#define	ATS_ACCESS_MODE_ALWAYS				1
+
+#define ATC_VM_APERTURE0_CNTL2				0x3318u
+#define ATC_VM_APERTURE0_HIGH_ADDR			0x3308u
+#define ATC_VM_APERTURE0_LOW_ADDR			0x3300u
+#define ATC_VM_APERTURE1_CNTL				0x3314u
+#define ATC_VM_APERTURE1_CNTL2				0x331Cu
+#define ATC_VM_APERTURE1_HIGH_ADDR			0x330Cu
+#define ATC_VM_APERTURE1_LOW_ADDR			0x3304u
+
+#endif
diff --git a/drivers/gpu/drm/radeon/amdkfd/kfd_mqd_manager.c b/drivers/gpu/drm/radeon/amdkfd/kfd_mqd_manager.c
new file mode 100644
index 0000000..5f9f9b9
--- /dev/null
+++ b/drivers/gpu/drm/radeon/amdkfd/kfd_mqd_manager.c
@@ -0,0 +1,291 @@
+/*
+ * 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.
+ *
+ */
+
+#include <linux/printk.h>
+#include <linux/slab.h>
+#include "kfd_priv.h"
+#include "kfd_mqd_manager.h"
+#include "cik_mqds.h"
+#include "cik_regs.h"
+#include "../cik_reg.h"
+
+inline uint32_t lower_32(uint64_t x)
+{
+	return (uint32_t)x;
+}
+
+inline uint32_t upper_32(uint64_t x)
+{
+	return (uint32_t)(x >> 32);
+}
+
+inline void busy_wait(unsigned long ms)
+{
+	while (time_before(jiffies, ms))
+		cpu_relax();
+}
+
+static inline struct cik_mqd *get_mqd(void *mqd)
+{
+	return (struct cik_mqd *)mqd;
+}
+
+static int init_mqd(struct mqd_manager *mm, void **mqd, kfd_mem_obj *mqd_mem_obj,
+		uint64_t *gart_addr, struct queue_properties *q)
+{
+	uint64_t addr;
+	struct cik_mqd *m;
+	int retval;
+
+	BUG_ON(!mm || !q || !mqd);
+
+	pr_debug("kfd: In func %s\n", __func__);
+
+	retval = kfd_vidmem_alloc_map(
+				mm->dev,
+				mqd_mem_obj,
+				(void **)&m,
+				&addr,
+				ALIGN(sizeof(struct cik_mqd), 256));
+
+	if (retval != 0)
+		return -ENOMEM;
+
+	memset(m, 0, sizeof(struct cik_mqd));
+
+	m->header = 0xC0310800;
+	m->pipeline_stat_enable = 1;
+	m->static_thread_mgmt01[0] = 0xFFFFFFFF;
+	m->static_thread_mgmt01[1] = 0xFFFFFFFF;
+	m->static_thread_mgmt23[0] = 0xFFFFFFFF;
+	m->static_thread_mgmt23[1] = 0xFFFFFFFF;
+
+	m->queue_state.cp_hqd_persistent_state = DEFAULT_CP_HQD_PERSISTENT_STATE;
+
+	m->queue_state.cp_mqd_control             = MQD_CONTROL_PRIV_STATE_EN;
+	m->queue_state.cp_mqd_base_addr           = lower_32(addr);
+	m->queue_state.cp_mqd_base_addr_hi        = upper_32(addr);
+
+	m->queue_state.cp_hqd_ib_control = DEFAULT_MIN_IB_AVAIL_SIZE | IB_ATC_EN;
+	/* Although WinKFD writes this, I suspect it should not be necessary. */
+	m->queue_state.cp_hqd_ib_control = IB_ATC_EN | DEFAULT_MIN_IB_AVAIL_SIZE;
+
+	m->queue_state.cp_hqd_quantum = QUANTUM_EN | QUANTUM_SCALE_1MS | QUANTUM_DURATION(10);
+
+	m->queue_state.cp_hqd_pipe_priority = 1;
+	m->queue_state.cp_hqd_queue_priority = 15;
+
+	*mqd = m;
+	if (gart_addr != NULL)
+		*gart_addr = addr;
+	retval = mm->update_mqd(mm, m, q);
+
+	return retval;
+}
+
+static void uninit_mqd(struct mqd_manager *mm, void *mqd, kfd_mem_obj mqd_mem_obj)
+{
+	BUG_ON(!mm || !mqd);
+	kfd_vidmem_free_unmap(mm->dev, mqd_mem_obj);
+}
+
+static int load_mqd(struct mqd_manager *mm, void *mqd, uint32_t pipe_id, uint32_t queue_id, uint32_t __user *wptr)
+{
+	return kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
+
+}
+
+static int update_mqd(struct mqd_manager *mm, void *mqd, struct queue_properties *q)
+{
+	struct cik_mqd *m;
+
+	BUG_ON(!mm || !q || !mqd);
+
+	pr_debug("kfd: In func %s\n", __func__);
+
+	m = get_mqd(mqd);
+	m->queue_state.cp_hqd_pq_control = DEFAULT_RPTR_BLOCK_SIZE | DEFAULT_MIN_AVAIL_SIZE | PQ_ATC_EN;
+	/* calculating queue size which is log base 2 of actual queue size -1 dwords and another -1 for ffs */
+	m->queue_state.cp_hqd_pq_control |= ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;
+	m->queue_state.cp_hqd_pq_base = lower_32((uint64_t)q->queue_address >> 8);
+	m->queue_state.cp_hqd_pq_base_hi = upper_32((uint64_t)q->queue_address >> 8);
+	m->queue_state.cp_hqd_pq_rptr_report_addr = lower_32((uint64_t)q->read_ptr);
+	m->queue_state.cp_hqd_pq_rptr_report_addr_hi = upper_32((uint64_t)q->read_ptr);
+	m->queue_state.cp_hqd_pq_doorbell_control = DOORBELL_EN | DOORBELL_OFFSET(q->doorbell_off);
+
+	m->queue_state.cp_hqd_vmid = q->vmid;
+
+	m->queue_state.cp_hqd_active = 0;
+	q->is_active = false;
+	if (q->queue_size > 0 &&
+			q->queue_address != 0 &&
+			q->queue_percent > 0) {
+		m->queue_state.cp_hqd_active = 1;
+		q->is_active = true;
+	}
+
+	return 0;
+}
+
+static int destroy_mqd(struct mqd_manager *mm, bool is_reset, unsigned int timeout, uint32_t pipe_id, uint32_t queue_id)
+{
+	return kfd2kgd->hqd_destroy(mm->dev->kgd, is_reset, timeout, pipe_id, queue_id);
+}
+
+bool is_occupied(struct mqd_manager *mm, uint64_t queue_address, uint32_t pipe_id, uint32_t queue_id)
+{
+
+	return kfd2kgd->hqd_is_occupies(mm->dev->kgd, queue_address, pipe_id, queue_id);
+
+}
+
+/*
+ * HIQ MQD Implementation
+ */
+
+static int init_mqd_hiq(struct mqd_manager *mm, void **mqd, kfd_mem_obj *mqd_mem_obj,
+		uint64_t *gart_addr, struct queue_properties *q)
+{
+	uint64_t addr;
+	struct cik_mqd *m;
+	int retval;
+
+	BUG_ON(!mm || !q || !mqd || !mqd_mem_obj);
+
+	pr_debug("kfd: In func %s\n", __func__);
+
+	retval = kfd_vidmem_alloc_map(
+				mm->dev,
+				mqd_mem_obj,
+				(void **)&m,
+				&addr,
+				ALIGN(sizeof(struct cik_mqd), PAGE_SIZE));
+
+	if (retval != 0)
+		return -ENOMEM;
+
+	memset(m, 0, sizeof(struct cik_mqd));
+
+	m->header = 0xC0310800;
+	m->pipeline_stat_enable = 1;
+	m->static_thread_mgmt01[0] = 0xFFFFFFFF;
+	m->static_thread_mgmt01[1] = 0xFFFFFFFF;
+	m->static_thread_mgmt23[0] = 0xFFFFFFFF;
+	m->static_thread_mgmt23[1] = 0xFFFFFFFF;
+
+	m->queue_state.cp_hqd_persistent_state = DEFAULT_CP_HQD_PERSISTENT_STATE;
+
+	m->queue_state.cp_mqd_control             = MQD_CONTROL_PRIV_STATE_EN;
+	m->queue_state.cp_mqd_base_addr           = lower_32(addr);
+	m->queue_state.cp_mqd_base_addr_hi        = upper_32(addr);
+
+	m->queue_state.cp_hqd_ib_control = DEFAULT_MIN_IB_AVAIL_SIZE;
+
+	m->queue_state.cp_hqd_quantum = QUANTUM_EN | QUANTUM_SCALE_1MS | QUANTUM_DURATION(10);
+
+	m->queue_state.cp_hqd_pipe_priority = 1;
+	m->queue_state.cp_hqd_queue_priority = 15;
+
+	*mqd = m;
+	if (gart_addr)
+		*gart_addr = addr;
+	retval = mm->update_mqd(mm, m, q);
+
+	return retval;
+}
+
+static int update_mqd_hiq(struct mqd_manager *mm, void *mqd, struct queue_properties *q)
+{
+	struct cik_mqd *m;
+
+	BUG_ON(!mm || !q || !mqd);
+
+	pr_debug("kfd: In func %s\n", __func__);
+
+	m = get_mqd(mqd);
+	m->queue_state.cp_hqd_pq_control = DEFAULT_RPTR_BLOCK_SIZE | DEFAULT_MIN_AVAIL_SIZE | PRIV_STATE | KMD_QUEUE;
+	/* calculating queue size which is log base 2 of actual queue size -1 dwords */
+	m->queue_state.cp_hqd_pq_control |= ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;
+	m->queue_state.cp_hqd_pq_base = lower_32((uint64_t)q->queue_address >> 8);
+	m->queue_state.cp_hqd_pq_base_hi = upper_32((uint64_t)q->queue_address >> 8);
+	m->queue_state.cp_hqd_pq_rptr_report_addr = lower_32((uint64_t)q->read_ptr);
+	m->queue_state.cp_hqd_pq_rptr_report_addr_hi = upper_32((uint64_t)q->read_ptr);
+	m->queue_state.cp_hqd_pq_doorbell_control = DOORBELL_EN | DOORBELL_OFFSET(q->doorbell_off);
+
+	m->queue_state.cp_hqd_vmid = q->vmid;
+
+	m->queue_state.cp_hqd_active = 0;
+	q->is_active = false;
+	if (q->queue_size > 0 &&
+			q->queue_address != 0 &&
+			q->queue_percent > 0) {
+		m->queue_state.cp_hqd_active = 1;
+		q->is_active = true;
+	}
+
+	return 0;
+}
+
+struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, struct kfd_dev *dev)
+{
+	struct mqd_manager *mqd;
+
+	BUG_ON(!dev);
+	BUG_ON(type >= KFD_MQD_TYPE_MAX);
+
+	pr_debug("kfd: In func %s\n", __func__);
+
+	mqd = kzalloc(sizeof(struct mqd_manager), GFP_KERNEL);
+	if (!mqd)
+		return NULL;
+
+	mqd->dev = dev;
+
+	switch (type) {
+	case KFD_MQD_TYPE_CIK_CP:
+	case KFD_MQD_TYPE_CIK_COMPUTE:
+		mqd->init_mqd = init_mqd;
+		mqd->uninit_mqd = uninit_mqd;
+		mqd->load_mqd = load_mqd;
+		mqd->update_mqd = update_mqd;
+		mqd->destroy_mqd = destroy_mqd;
+		mqd->is_occupied = is_occupied;
+		break;
+	case KFD_MQD_TYPE_CIK_HIQ:
+		mqd->init_mqd = init_mqd_hiq;
+		mqd->uninit_mqd = uninit_mqd;
+		mqd->load_mqd = load_mqd;
+		mqd->update_mqd = update_mqd_hiq;
+		mqd->destroy_mqd = destroy_mqd;
+		mqd->is_occupied = is_occupied;
+		break;
+	default:
+		kfree(mqd);
+		return NULL;
+		break;
+	}
+
+	return mqd;
+}
+
+/* SDMA queues should be implemented here when the cp will supports them */
diff --git a/drivers/gpu/drm/radeon/amdkfd/kfd_mqd_manager.h b/drivers/gpu/drm/radeon/amdkfd/kfd_mqd_manager.h
new file mode 100644
index 0000000..a6b0007
--- /dev/null
+++ b/drivers/gpu/drm/radeon/amdkfd/kfd_mqd_manager.h
@@ -0,0 +1,54 @@
+/*
+ * 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_MQD_MANAGER_H_
+#define KFD_MQD_MANAGER_H_
+
+#include "kfd_priv.h"
+
+struct mqd_manager {
+	int	(*init_mqd)(struct mqd_manager *mm, void **mqd,
+			kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr,
+			struct queue_properties *q);
+
+	int	(*load_mqd)(struct mqd_manager *mm, void *mqd,
+				uint32_t pipe_id, uint32_t queue_id,
+				uint32_t __user *wptr);
+
+	int	(*update_mqd)(struct mqd_manager *mm, void *mqd,
+				struct queue_properties *q);
+
+	int	(*destroy_mqd)(struct mqd_manager *mm, bool is_reset,
+				unsigned int timeout, uint32_t pipe_id,
+				uint32_t queue_id);
+
+	void	(*uninit_mqd)(struct mqd_manager *mm, void *mqd,
+				kfd_mem_obj mqd_mem_obj);
+	bool	(*is_occupied)(struct mqd_manager *mm, uint64_t queue_address,
+				uint32_t pipe_id, uint32_t queue_id);
+
+	struct mutex	mqd_mutex;
+	struct kfd_dev	*dev;
+};
+
+#endif /* KFD_MQD_MANAGER_H_ */
diff --git a/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h b/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h
index 94ff1c3..76494757 100644
--- a/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h
@@ -179,6 +179,14 @@ struct queue {
 	struct kfd_dev		*device;
 };
 
+enum KFD_MQD_TYPE {
+	KFD_MQD_TYPE_CIK_COMPUTE = 0, /* for no cp scheduling */
+	KFD_MQD_TYPE_CIK_HIQ, /* for hiq */
+	KFD_MQD_TYPE_CIK_CP, /* for cp queues and diq */
+	KFD_MQD_TYPE_CIK_SDMA, /* for sdma queues */
+	KFD_MQD_TYPE_MAX
+};
+
 /* Data that is per-process-per device. */
 struct kfd_process_device {
 	/*
-- 
1.9.1

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