Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 276 insertions, 0 deletions

diff --git a/drivers/misc/habanalabs/gaudi/gaudiP.h b/drivers/misc/habanalabs/gaudi/gaudiP.h
new file mode 100644
index 000000000..8eb598db8
--- /dev/null
+++ b/drivers/misc/habanalabs/gaudi/gaudiP.h
@@ -0,0 +1,276 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright 2019-2020 HabanaLabs, Ltd.
+ * All Rights Reserved.
+ *
+ */
+
+#ifndef GAUDIP_H_
+#define GAUDIP_H_
+
+#include <uapi/misc/habanalabs.h>
+#include "../common/habanalabs.h"
+#include "../include/common/hl_boot_if.h"
+#include "../include/gaudi/gaudi_packets.h"
+#include "../include/gaudi/gaudi.h"
+#include "../include/gaudi/gaudi_async_events.h"
+
+#define NUMBER_OF_EXT_HW_QUEUES		12
+#define NUMBER_OF_CMPLT_QUEUES		NUMBER_OF_EXT_HW_QUEUES
+#define NUMBER_OF_CPU_HW_QUEUES		1
+#define NUMBER_OF_INT_HW_QUEUES		100
+#define NUMBER_OF_HW_QUEUES		(NUMBER_OF_EXT_HW_QUEUES + \
+					NUMBER_OF_CPU_HW_QUEUES + \
+					NUMBER_OF_INT_HW_QUEUES)
+
+/*
+ * Number of MSI interrupts IDS:
+ * Each completion queue has 1 ID
+ * The event queue has 1 ID
+ */
+#define NUMBER_OF_INTERRUPTS		(NUMBER_OF_CMPLT_QUEUES + \
+						NUMBER_OF_CPU_HW_QUEUES)
+
+#if (NUMBER_OF_INTERRUPTS > GAUDI_MSI_ENTRIES)
+#error "Number of MSI interrupts must be smaller or equal to GAUDI_MSI_ENTRIES"
+#endif
+
+#define CORESIGHT_TIMEOUT_USEC		100000		/* 100 ms */
+
+#define GAUDI_MAX_CLK_FREQ		2200000000ull	/* 2200 MHz */
+
+#define MAX_POWER_DEFAULT_PCI		200000		/* 200W */
+#define MAX_POWER_DEFAULT_PMC		350000		/* 350W */
+
+#define GAUDI_CPU_TIMEOUT_USEC		30000000	/* 30s */
+
+#define TPC_ENABLED_MASK		0xFF
+
+#define GAUDI_HBM_SIZE_32GB		0x800000000ull
+#define GAUDI_HBM_DEVICES		4
+#define GAUDI_HBM_CHANNELS		8
+#define GAUDI_HBM_CFG_BASE		(mmHBM0_BASE - CFG_BASE)
+#define GAUDI_HBM_CFG_OFFSET		(mmHBM1_BASE - mmHBM0_BASE)
+
+#define DMA_MAX_TRANSFER_SIZE		U32_MAX
+
+#define GAUDI_DEFAULT_CARD_NAME		"HL2000"
+
+#define GAUDI_MAX_PENDING_CS		1024
+
+#if !IS_MAX_PENDING_CS_VALID(GAUDI_MAX_PENDING_CS)
+#error "GAUDI_MAX_PENDING_CS must be power of 2 and greater than 1"
+#endif
+
+#define PCI_DMA_NUMBER_OF_CHNLS		3
+#define HBM_DMA_NUMBER_OF_CHNLS		5
+#define DMA_NUMBER_OF_CHNLS		(PCI_DMA_NUMBER_OF_CHNLS + \
+						HBM_DMA_NUMBER_OF_CHNLS)
+
+#define MME_NUMBER_OF_SLAVE_ENGINES	2
+#define MME_NUMBER_OF_ENGINES		(MME_NUMBER_OF_MASTER_ENGINES + \
+					MME_NUMBER_OF_SLAVE_ENGINES)
+#define MME_NUMBER_OF_QMANS		(MME_NUMBER_OF_MASTER_ENGINES * \
+					QMAN_STREAMS)
+
+#define QMAN_STREAMS		4
+
+#define DMA_QMAN_OFFSET		(mmDMA1_QM_BASE - mmDMA0_QM_BASE)
+#define TPC_QMAN_OFFSET		(mmTPC1_QM_BASE - mmTPC0_QM_BASE)
+#define MME_QMAN_OFFSET		(mmMME1_QM_BASE - mmMME0_QM_BASE)
+#define NIC_MACRO_QMAN_OFFSET	(mmNIC1_QM0_BASE - mmNIC0_QM0_BASE)
+
+#define TPC_CFG_OFFSET		(mmTPC1_CFG_BASE - mmTPC0_CFG_BASE)
+
+#define DMA_CORE_OFFSET		(mmDMA1_CORE_BASE - mmDMA0_CORE_BASE)
+
+#define QMAN_LDMA_SRC_OFFSET	(mmDMA0_CORE_SRC_BASE_LO - mmDMA0_CORE_CFG_0)
+#define QMAN_LDMA_DST_OFFSET	(mmDMA0_CORE_DST_BASE_LO - mmDMA0_CORE_CFG_0)
+#define QMAN_LDMA_SIZE_OFFSET	(mmDMA0_CORE_DST_TSIZE_0 - mmDMA0_CORE_CFG_0)
+
+#define QMAN_CPDMA_SRC_OFFSET	(mmDMA0_QM_CQ_PTR_LO_4 - mmDMA0_CORE_CFG_0)
+#define QMAN_CPDMA_DST_OFFSET	(mmDMA0_CORE_DST_BASE_LO - mmDMA0_CORE_CFG_0)
+#define QMAN_CPDMA_SIZE_OFFSET	(mmDMA0_QM_CQ_TSIZE_4 - mmDMA0_CORE_CFG_0)
+
+#define SIF_RTR_CTRL_OFFSET	(mmSIF_RTR_CTRL_1_BASE - mmSIF_RTR_CTRL_0_BASE)
+
+#define NIF_RTR_CTRL_OFFSET	(mmNIF_RTR_CTRL_1_BASE - mmNIF_RTR_CTRL_0_BASE)
+
+#define MME_ACC_OFFSET		(mmMME1_ACC_BASE - mmMME0_ACC_BASE)
+#define SRAM_BANK_OFFSET	(mmSRAM_Y0_X1_RTR_BASE - mmSRAM_Y0_X0_RTR_BASE)
+
+#define NUM_OF_SOB_IN_BLOCK		\
+	(((mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_2047 - \
+	mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0) + 4) >> 2)
+
+#define NUM_OF_MONITORS_IN_BLOCK	\
+	(((mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_STATUS_511 - \
+	mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_STATUS_0) + 4) >> 2)
+
+
+/* DRAM Memory Map */
+
+#define CPU_FW_IMAGE_SIZE	0x10000000	/* 256MB */
+#define MMU_PAGE_TABLES_SIZE	0x0BF00000	/* 191MB */
+#define MMU_CACHE_MNG_SIZE	0x00100000	/* 1MB */
+#define RESERVED		0x04000000	/* 64MB */
+
+#define CPU_FW_IMAGE_ADDR	DRAM_PHYS_BASE
+#define MMU_PAGE_TABLES_ADDR	(CPU_FW_IMAGE_ADDR + CPU_FW_IMAGE_SIZE)
+#define MMU_CACHE_MNG_ADDR	(MMU_PAGE_TABLES_ADDR + MMU_PAGE_TABLES_SIZE)
+
+#define DRAM_DRIVER_END_ADDR	(MMU_CACHE_MNG_ADDR + MMU_CACHE_MNG_SIZE +\
+								RESERVED)
+
+#define DRAM_BASE_ADDR_USER	0x20000000
+
+#if (DRAM_DRIVER_END_ADDR > DRAM_BASE_ADDR_USER)
+#error "Driver must reserve no more than 512MB"
+#endif
+
+/* Internal QMANs PQ sizes */
+
+#define MME_QMAN_LENGTH			1024
+#define MME_QMAN_SIZE_IN_BYTES		(MME_QMAN_LENGTH * QMAN_PQ_ENTRY_SIZE)
+
+#define HBM_DMA_QMAN_LENGTH		1024
+#define HBM_DMA_QMAN_SIZE_IN_BYTES	\
+				(HBM_DMA_QMAN_LENGTH * QMAN_PQ_ENTRY_SIZE)
+
+#define TPC_QMAN_LENGTH			1024
+#define TPC_QMAN_SIZE_IN_BYTES		(TPC_QMAN_LENGTH * QMAN_PQ_ENTRY_SIZE)
+
+#define SRAM_USER_BASE_OFFSET  GAUDI_DRIVER_SRAM_RESERVED_SIZE_FROM_START
+
+/* Virtual address space */
+#define VA_HOST_SPACE_START	0x1000000000000ull	/* 256TB */
+#define VA_HOST_SPACE_END	0x3FF8000000000ull	/* 1PB - 1TB */
+#define VA_HOST_SPACE_SIZE	(VA_HOST_SPACE_END - \
+					VA_HOST_SPACE_START) /* 767TB */
+
+#define HW_CAP_PLL		BIT(0)
+#define HW_CAP_HBM		BIT(1)
+#define HW_CAP_MMU		BIT(2)
+#define HW_CAP_MME		BIT(3)
+#define HW_CAP_CPU		BIT(4)
+#define HW_CAP_PCI_DMA		BIT(5)
+#define HW_CAP_MSI		BIT(6)
+#define HW_CAP_CPU_Q		BIT(7)
+#define HW_CAP_HBM_DMA		BIT(8)
+#define HW_CAP_CLK_GATE		BIT(9)
+#define HW_CAP_SRAM_SCRAMBLER	BIT(10)
+#define HW_CAP_HBM_SCRAMBLER	BIT(11)
+
+#define HW_CAP_TPC0		BIT(24)
+#define HW_CAP_TPC1		BIT(25)
+#define HW_CAP_TPC2		BIT(26)
+#define HW_CAP_TPC3		BIT(27)
+#define HW_CAP_TPC4		BIT(28)
+#define HW_CAP_TPC5		BIT(29)
+#define HW_CAP_TPC6		BIT(30)
+#define HW_CAP_TPC7		BIT(31)
+#define HW_CAP_TPC_MASK		GENMASK(31, 24)
+#define HW_CAP_TPC_SHIFT	24
+
+#define GAUDI_CPU_PCI_MSB_ADDR(addr)	(((addr) & GENMASK_ULL(49, 39)) >> 39)
+#define GAUDI_PCI_TO_CPU_ADDR(addr)			\
+	do {						\
+		(addr) &= ~GENMASK_ULL(49, 39);		\
+		(addr) |= BIT_ULL(39);			\
+	} while (0)
+#define GAUDI_CPU_TO_PCI_ADDR(addr, extension)		\
+	do {						\
+		(addr) &= ~GENMASK_ULL(49, 39);		\
+		(addr) |= (u64) (extension) << 39;	\
+	} while (0)
+
+enum gaudi_dma_channels {
+	GAUDI_PCI_DMA_1,
+	GAUDI_PCI_DMA_2,
+	GAUDI_PCI_DMA_3,
+	GAUDI_HBM_DMA_1,
+	GAUDI_HBM_DMA_2,
+	GAUDI_HBM_DMA_3,
+	GAUDI_HBM_DMA_4,
+	GAUDI_HBM_DMA_5,
+	GAUDI_DMA_MAX
+};
+
+enum gaudi_tpc_mask {
+	GAUDI_TPC_MASK_TPC0 = 0x01,
+	GAUDI_TPC_MASK_TPC1 = 0x02,
+	GAUDI_TPC_MASK_TPC2 = 0x04,
+	GAUDI_TPC_MASK_TPC3 = 0x08,
+	GAUDI_TPC_MASK_TPC4 = 0x10,
+	GAUDI_TPC_MASK_TPC5 = 0x20,
+	GAUDI_TPC_MASK_TPC6 = 0x40,
+	GAUDI_TPC_MASK_TPC7 = 0x80,
+	GAUDI_TPC_MASK_ALL = 0xFF
+};
+
+/**
+ * struct gaudi_internal_qman_info - Internal QMAN information.
+ * @pq_kernel_addr: Kernel address of the PQ memory area in the host.
+ * @pq_dma_addr: DMA address of the PQ memory area in the host.
+ * @pq_size: Size of allocated host memory for PQ.
+ */
+struct gaudi_internal_qman_info {
+	void		*pq_kernel_addr;
+	dma_addr_t	pq_dma_addr;
+	size_t		pq_size;
+};
+
+/**
+ * struct gaudi_device - ASIC specific manage structure.
+ * @cpucp_info_get: get information on device from CPU-CP
+ * @hw_queues_lock: protects the H/W queues from concurrent access.
+ * @clk_gate_mutex: protects code areas that require clock gating to be disabled
+ *                  temporarily
+ * @internal_qmans: Internal QMANs information. The array size is larger than
+ *                  the actual number of internal queues because they are not in
+ *                  consecutive order.
+ * @hbm_bar_cur_addr: current address of HBM PCI bar.
+ * @max_freq_value: current max clk frequency.
+ * @events: array that holds all event id's
+ * @events_stat: array that holds histogram of all received events.
+ * @events_stat_aggregate: same as events_stat but doesn't get cleared on reset
+ * @hw_cap_initialized: This field contains a bit per H/W engine. When that
+ *                      engine is initialized, that bit is set by the driver to
+ *                      signal we can use this engine in later code paths.
+ *                      Each bit is cleared upon reset of its corresponding H/W
+ *                      engine.
+ * @multi_msi_mode: whether we are working in multi MSI single MSI mode.
+ *                  Multi MSI is possible only with IOMMU enabled.
+ * @mmu_cache_inv_pi: PI for MMU cache invalidation flow. The H/W expects an
+ *                    8-bit value so use u8.
+ */
+struct gaudi_device {
+	int (*cpucp_info_get)(struct hl_device *hdev);
+
+	/* TODO: remove hw_queues_lock after moving to scheduler code */
+	spinlock_t			hw_queues_lock;
+	struct mutex			clk_gate_mutex;
+
+	struct gaudi_internal_qman_info	internal_qmans[GAUDI_QUEUE_ID_SIZE];
+
+	u64				hbm_bar_cur_addr;
+	u64				max_freq_value;
+
+	u32				events[GAUDI_EVENT_SIZE];
+	u32				events_stat[GAUDI_EVENT_SIZE];
+	u32				events_stat_aggregate[GAUDI_EVENT_SIZE];
+	u32				hw_cap_initialized;
+	u8				multi_msi_mode;
+	u8				mmu_cache_inv_pi;
+};
+
+void gaudi_init_security(struct hl_device *hdev);
+void gaudi_add_device_attr(struct hl_device *hdev,
+			struct attribute_group *dev_attr_grp);
+void gaudi_set_pll_profile(struct hl_device *hdev, enum hl_pll_frequency freq);
+int gaudi_debug_coresight(struct hl_device *hdev, void *data);
+void gaudi_halt_coresight(struct hl_device *hdev);
+int gaudi_get_clk_rate(struct hl_device *hdev, u32 *cur_clk, u32 *max_clk);
+void gaudi_mmu_prepare_reg(struct hl_device *hdev, u64 reg, u32 asid);
+
+#endif /* GAUDIP_H_ */