Adding upstream version 6.1.76.upstream/6.1.76upstream

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

1 files changed, 516 insertions, 0 deletions

diff --git a/drivers/dma/idxd/registers.h b/drivers/dma/idxd/registers.h
new file mode 100644
index 000000000..fe3b8d04f
--- /dev/null
+++ b/drivers/dma/idxd/registers.h
@@ -0,0 +1,516 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2019 Intel Corporation. All rights rsvd. */
+#ifndef _IDXD_REGISTERS_H_
+#define _IDXD_REGISTERS_H_
+
+/* PCI Config */
+#define PCI_DEVICE_ID_INTEL_DSA_SPR0	0x0b25
+#define PCI_DEVICE_ID_INTEL_IAX_SPR0	0x0cfe
+
+#define DEVICE_VERSION_1		0x100
+#define DEVICE_VERSION_2		0x200
+
+#define IDXD_MMIO_BAR		0
+#define IDXD_WQ_BAR		2
+#define IDXD_PORTAL_SIZE	PAGE_SIZE
+
+/* MMIO Device BAR0 Registers */
+#define IDXD_VER_OFFSET			0x00
+#define IDXD_VER_MAJOR_MASK		0xf0
+#define IDXD_VER_MINOR_MASK		0x0f
+#define GET_IDXD_VER_MAJOR(x)		(((x) & IDXD_VER_MAJOR_MASK) >> 4)
+#define GET_IDXD_VER_MINOR(x)		((x) & IDXD_VER_MINOR_MASK)
+
+union gen_cap_reg {
+	struct {
+		u64 block_on_fault:1;
+		u64 overlap_copy:1;
+		u64 cache_control_mem:1;
+		u64 cache_control_cache:1;
+		u64 cmd_cap:1;
+		u64 rsvd:3;
+		u64 dest_readback:1;
+		u64 drain_readback:1;
+		u64 rsvd2:6;
+		u64 max_xfer_shift:5;
+		u64 max_batch_shift:4;
+		u64 max_ims_mult:6;
+		u64 config_en:1;
+		u64 rsvd3:32;
+	};
+	u64 bits;
+} __packed;
+#define IDXD_GENCAP_OFFSET		0x10
+
+union wq_cap_reg {
+	struct {
+		u64 total_wq_size:16;
+		u64 num_wqs:8;
+		u64 wqcfg_size:4;
+		u64 rsvd:20;
+		u64 shared_mode:1;
+		u64 dedicated_mode:1;
+		u64 wq_ats_support:1;
+		u64 priority:1;
+		u64 occupancy:1;
+		u64 occupancy_int:1;
+		u64 op_config:1;
+		u64 rsvd3:9;
+	};
+	u64 bits;
+} __packed;
+#define IDXD_WQCAP_OFFSET		0x20
+#define IDXD_WQCFG_MIN			5
+
+union group_cap_reg {
+	struct {
+		u64 num_groups:8;
+		u64 total_rdbufs:8;	/* formerly total_tokens */
+		u64 rdbuf_ctrl:1;	/* formerly token_en */
+		u64 rdbuf_limit:1;	/* formerly token_limit */
+		u64 progress_limit:1;	/* descriptor and batch descriptor */
+		u64 rsvd:45;
+	};
+	u64 bits;
+} __packed;
+#define IDXD_GRPCAP_OFFSET		0x30
+
+union engine_cap_reg {
+	struct {
+		u64 num_engines:8;
+		u64 rsvd:56;
+	};
+	u64 bits;
+} __packed;
+
+#define IDXD_ENGCAP_OFFSET		0x38
+
+#define IDXD_OPCAP_NOOP			0x0001
+#define IDXD_OPCAP_BATCH			0x0002
+#define IDXD_OPCAP_MEMMOVE		0x0008
+struct opcap {
+	u64 bits[4];
+};
+
+#define IDXD_MAX_OPCAP_BITS		256U
+
+#define IDXD_OPCAP_OFFSET		0x40
+
+#define IDXD_TABLE_OFFSET		0x60
+union offsets_reg {
+	struct {
+		u64 grpcfg:16;
+		u64 wqcfg:16;
+		u64 msix_perm:16;
+		u64 ims:16;
+		u64 perfmon:16;
+		u64 rsvd:48;
+	};
+	u64 bits[2];
+} __packed;
+
+#define IDXD_TABLE_MULT			0x100
+
+#define IDXD_GENCFG_OFFSET		0x80
+union gencfg_reg {
+	struct {
+		u32 rdbuf_limit:8;
+		u32 rsvd:4;
+		u32 user_int_en:1;
+		u32 rsvd2:19;
+	};
+	u32 bits;
+} __packed;
+
+#define IDXD_GENCTRL_OFFSET		0x88
+union genctrl_reg {
+	struct {
+		u32 softerr_int_en:1;
+		u32 halt_int_en:1;
+		u32 rsvd:30;
+	};
+	u32 bits;
+} __packed;
+
+#define IDXD_GENSTATS_OFFSET		0x90
+union gensts_reg {
+	struct {
+		u32 state:2;
+		u32 reset_type:2;
+		u32 rsvd:28;
+	};
+	u32 bits;
+} __packed;
+
+enum idxd_device_status_state {
+	IDXD_DEVICE_STATE_DISABLED = 0,
+	IDXD_DEVICE_STATE_ENABLED,
+	IDXD_DEVICE_STATE_DRAIN,
+	IDXD_DEVICE_STATE_HALT,
+};
+
+enum idxd_device_reset_type {
+	IDXD_DEVICE_RESET_SOFTWARE = 0,
+	IDXD_DEVICE_RESET_FLR,
+	IDXD_DEVICE_RESET_WARM,
+	IDXD_DEVICE_RESET_COLD,
+};
+
+#define IDXD_INTCAUSE_OFFSET		0x98
+#define IDXD_INTC_ERR			0x01
+#define IDXD_INTC_CMD			0x02
+#define IDXD_INTC_OCCUPY			0x04
+#define IDXD_INTC_PERFMON_OVFL		0x08
+#define IDXD_INTC_HALT_STATE		0x10
+#define IDXD_INTC_INT_HANDLE_REVOKED	0x80000000
+
+#define IDXD_CMD_OFFSET			0xa0
+union idxd_command_reg {
+	struct {
+		u32 operand:20;
+		u32 cmd:5;
+		u32 rsvd:6;
+		u32 int_req:1;
+	};
+	u32 bits;
+} __packed;
+
+enum idxd_cmd {
+	IDXD_CMD_ENABLE_DEVICE = 1,
+	IDXD_CMD_DISABLE_DEVICE,
+	IDXD_CMD_DRAIN_ALL,
+	IDXD_CMD_ABORT_ALL,
+	IDXD_CMD_RESET_DEVICE,
+	IDXD_CMD_ENABLE_WQ,
+	IDXD_CMD_DISABLE_WQ,
+	IDXD_CMD_DRAIN_WQ,
+	IDXD_CMD_ABORT_WQ,
+	IDXD_CMD_RESET_WQ,
+	IDXD_CMD_DRAIN_PASID,
+	IDXD_CMD_ABORT_PASID,
+	IDXD_CMD_REQUEST_INT_HANDLE,
+	IDXD_CMD_RELEASE_INT_HANDLE,
+};
+
+#define CMD_INT_HANDLE_IMS		0x10000
+
+#define IDXD_CMDSTS_OFFSET		0xa8
+union cmdsts_reg {
+	struct {
+		u8 err;
+		u16 result;
+		u8 rsvd:7;
+		u8 active:1;
+	};
+	u32 bits;
+} __packed;
+#define IDXD_CMDSTS_ACTIVE		0x80000000
+#define IDXD_CMDSTS_ERR_MASK		0xff
+#define IDXD_CMDSTS_RES_SHIFT		8
+
+enum idxd_cmdsts_err {
+	IDXD_CMDSTS_SUCCESS = 0,
+	IDXD_CMDSTS_INVAL_CMD,
+	IDXD_CMDSTS_INVAL_WQIDX,
+	IDXD_CMDSTS_HW_ERR,
+	/* enable device errors */
+	IDXD_CMDSTS_ERR_DEV_ENABLED = 0x10,
+	IDXD_CMDSTS_ERR_CONFIG,
+	IDXD_CMDSTS_ERR_BUSMASTER_EN,
+	IDXD_CMDSTS_ERR_PASID_INVAL,
+	IDXD_CMDSTS_ERR_WQ_SIZE_ERANGE,
+	IDXD_CMDSTS_ERR_GRP_CONFIG,
+	IDXD_CMDSTS_ERR_GRP_CONFIG2,
+	IDXD_CMDSTS_ERR_GRP_CONFIG3,
+	IDXD_CMDSTS_ERR_GRP_CONFIG4,
+	/* enable wq errors */
+	IDXD_CMDSTS_ERR_DEV_NOTEN = 0x20,
+	IDXD_CMDSTS_ERR_WQ_ENABLED,
+	IDXD_CMDSTS_ERR_WQ_SIZE,
+	IDXD_CMDSTS_ERR_WQ_PRIOR,
+	IDXD_CMDSTS_ERR_WQ_MODE,
+	IDXD_CMDSTS_ERR_BOF_EN,
+	IDXD_CMDSTS_ERR_PASID_EN,
+	IDXD_CMDSTS_ERR_MAX_BATCH_SIZE,
+	IDXD_CMDSTS_ERR_MAX_XFER_SIZE,
+	/* disable device errors */
+	IDXD_CMDSTS_ERR_DIS_DEV_EN = 0x31,
+	/* disable WQ, drain WQ, abort WQ, reset WQ */
+	IDXD_CMDSTS_ERR_DEV_NOT_EN,
+	/* request interrupt handle */
+	IDXD_CMDSTS_ERR_INVAL_INT_IDX = 0x41,
+	IDXD_CMDSTS_ERR_NO_HANDLE,
+};
+
+#define IDXD_CMDCAP_OFFSET		0xb0
+
+#define IDXD_SWERR_OFFSET		0xc0
+#define IDXD_SWERR_VALID		0x00000001
+#define IDXD_SWERR_OVERFLOW		0x00000002
+#define IDXD_SWERR_ACK			(IDXD_SWERR_VALID | IDXD_SWERR_OVERFLOW)
+union sw_err_reg {
+	struct {
+		u64 valid:1;
+		u64 overflow:1;
+		u64 desc_valid:1;
+		u64 wq_idx_valid:1;
+		u64 batch:1;
+		u64 fault_rw:1;
+		u64 priv:1;
+		u64 rsvd:1;
+		u64 error:8;
+		u64 wq_idx:8;
+		u64 rsvd2:8;
+		u64 operation:8;
+		u64 pasid:20;
+		u64 rsvd3:4;
+
+		u64 batch_idx:16;
+		u64 rsvd4:16;
+		u64 invalid_flags:32;
+
+		u64 fault_addr;
+
+		u64 rsvd5;
+	};
+	u64 bits[4];
+} __packed;
+
+union msix_perm {
+	struct {
+		u32 rsvd:2;
+		u32 ignore:1;
+		u32 pasid_en:1;
+		u32 rsvd2:8;
+		u32 pasid:20;
+	};
+	u32 bits;
+} __packed;
+
+union group_flags {
+	struct {
+		u64 tc_a:3;
+		u64 tc_b:3;
+		u64 rsvd:1;
+		u64 use_rdbuf_limit:1;
+		u64 rdbufs_reserved:8;
+		u64 rsvd2:4;
+		u64 rdbufs_allowed:8;
+		u64 rsvd3:4;
+		u64 desc_progress_limit:2;
+		u64 rsvd4:2;
+		u64 batch_progress_limit:2;
+		u64 rsvd5:26;
+	};
+	u64 bits;
+} __packed;
+
+struct grpcfg {
+	u64 wqs[4];
+	u64 engines;
+	union group_flags flags;
+} __packed;
+
+union wqcfg {
+	struct {
+		/* bytes 0-3 */
+		u16 wq_size;
+		u16 rsvd;
+
+		/* bytes 4-7 */
+		u16 wq_thresh;
+		u16 rsvd1;
+
+		/* bytes 8-11 */
+		u32 mode:1;	/* shared or dedicated */
+		u32 bof:1;	/* block on fault */
+		u32 wq_ats_disable:1;
+		u32 rsvd2:1;
+		u32 priority:4;
+		u32 pasid:20;
+		u32 pasid_en:1;
+		u32 priv:1;
+		u32 rsvd3:2;
+
+		/* bytes 12-15 */
+		u32 max_xfer_shift:5;
+		u32 max_batch_shift:4;
+		u32 rsvd4:23;
+
+		/* bytes 16-19 */
+		u16 occupancy_inth;
+		u16 occupancy_table_sel:1;
+		u16 rsvd5:15;
+
+		/* bytes 20-23 */
+		u16 occupancy_limit;
+		u16 occupancy_int_en:1;
+		u16 rsvd6:15;
+
+		/* bytes 24-27 */
+		u16 occupancy;
+		u16 occupancy_int:1;
+		u16 rsvd7:12;
+		u16 mode_support:1;
+		u16 wq_state:2;
+
+		/* bytes 28-31 */
+		u32 rsvd8;
+
+		/* bytes 32-63 */
+		u64 op_config[4];
+	};
+	u32 bits[16];
+} __packed;
+
+#define WQCFG_PASID_IDX                2
+#define WQCFG_PRIVL_IDX		2
+#define WQCFG_OCCUP_IDX		6
+
+#define WQCFG_OCCUP_MASK	0xffff
+
+/*
+ * This macro calculates the offset into the WQCFG register
+ * idxd - struct idxd *
+ * n - wq id
+ * ofs - the index of the 32b dword for the config register
+ *
+ * The WQCFG register block is divided into groups per each wq. The n index
+ * allows us to move to the register group that's for that particular wq.
+ * Each register is 32bits. The ofs gives us the number of register to access.
+ */
+#define WQCFG_OFFSET(_idxd_dev, n, ofs) \
+({\
+	typeof(_idxd_dev) __idxd_dev = (_idxd_dev);	\
+	(__idxd_dev)->wqcfg_offset + (n) * (__idxd_dev)->wqcfg_size + sizeof(u32) * (ofs);	\
+})
+
+#define WQCFG_STRIDES(_idxd_dev) ((_idxd_dev)->wqcfg_size / sizeof(u32))
+
+#define GRPCFG_SIZE		64
+#define GRPWQCFG_STRIDES	4
+
+/*
+ * This macro calculates the offset into the GRPCFG register
+ * idxd - struct idxd *
+ * n - wq id
+ * ofs - the index of the 32b dword for the config register
+ *
+ * The WQCFG register block is divided into groups per each wq. The n index
+ * allows us to move to the register group that's for that particular wq.
+ * Each register is 32bits. The ofs gives us the number of register to access.
+ */
+#define GRPWQCFG_OFFSET(idxd_dev, n, ofs) ((idxd_dev)->grpcfg_offset +\
+					   (n) * GRPCFG_SIZE + sizeof(u64) * (ofs))
+#define GRPENGCFG_OFFSET(idxd_dev, n) ((idxd_dev)->grpcfg_offset + (n) * GRPCFG_SIZE + 32)
+#define GRPFLGCFG_OFFSET(idxd_dev, n) ((idxd_dev)->grpcfg_offset + (n) * GRPCFG_SIZE + 40)
+
+/* Following is performance monitor registers */
+#define IDXD_PERFCAP_OFFSET		0x0
+union idxd_perfcap {
+	struct {
+		u64 num_perf_counter:6;
+		u64 rsvd1:2;
+		u64 counter_width:8;
+		u64 num_event_category:4;
+		u64 global_event_category:16;
+		u64 filter:8;
+		u64 rsvd2:8;
+		u64 cap_per_counter:1;
+		u64 writeable_counter:1;
+		u64 counter_freeze:1;
+		u64 overflow_interrupt:1;
+		u64 rsvd3:8;
+	};
+	u64 bits;
+} __packed;
+
+#define IDXD_EVNTCAP_OFFSET		0x80
+union idxd_evntcap {
+	struct {
+		u64 events:28;
+		u64 rsvd:36;
+	};
+	u64 bits;
+} __packed;
+
+struct idxd_event {
+	union {
+		struct {
+			u32 event_category:4;
+			u32 events:28;
+		};
+		u32 val;
+	};
+} __packed;
+
+#define IDXD_CNTRCAP_OFFSET		0x800
+struct idxd_cntrcap {
+	union {
+		struct {
+			u32 counter_width:8;
+			u32 rsvd:20;
+			u32 num_events:4;
+		};
+		u32 val;
+	};
+	struct idxd_event events[];
+} __packed;
+
+#define IDXD_PERFRST_OFFSET		0x10
+union idxd_perfrst {
+	struct {
+		u32 perfrst_config:1;
+		u32 perfrst_counter:1;
+		u32 rsvd:30;
+	};
+	u32 val;
+} __packed;
+
+#define IDXD_OVFSTATUS_OFFSET		0x30
+#define IDXD_PERFFRZ_OFFSET		0x20
+#define IDXD_CNTRCFG_OFFSET		0x100
+union idxd_cntrcfg {
+	struct {
+		u64 enable:1;
+		u64 interrupt_ovf:1;
+		u64 global_freeze_ovf:1;
+		u64 rsvd1:5;
+		u64 event_category:4;
+		u64 rsvd2:20;
+		u64 events:28;
+		u64 rsvd3:4;
+	};
+	u64 val;
+} __packed;
+
+#define IDXD_FLTCFG_OFFSET		0x300
+
+#define IDXD_CNTRDATA_OFFSET		0x200
+union idxd_cntrdata {
+	struct {
+		u64 event_count_value;
+	};
+	u64 val;
+} __packed;
+
+union event_cfg {
+	struct {
+		u64 event_cat:4;
+		u64 event_enc:28;
+	};
+	u64 val;
+} __packed;
+
+union filter_cfg {
+	struct {
+		u64 wq:32;
+		u64 tc:8;
+		u64 pg_sz:4;
+		u64 xfer_sz:8;
+		u64 eng:8;
+	};
+	u64 val;
+} __packed;
+
+#endif