staging: gasket: apex: move driver-private defines out of apex.h (4287dbaa) · Commits · 戴 / test

drivers/staging/gasket/apex.h

+2 −60

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0 */
		/*
		* Apex kernel-userspace interface definition(s).
		* Apex kernel-userspace interface definitions.
		*
		* Copyright (C) 2018 Google, Inc.
		*/
		@@ -8,66 +8,8 @@
		#define __APEX_H__

		#include <linux/ioctl.h>
		#include <linux/bitops.h>

		#include "gasket.h"

		/* Structural definitions/macros. */
		/* The number of PCI BARs. */
		#define APEX_NUM_BARS 3

		/* Size of a memory page in bytes, and the related number of bits to shift. */
		#define APEX_PAGE_SHIFT 12
		#define APEX_PAGE_SIZE BIT(APEX_PAGE_SHIFT)

		#define APEX_EXTENDED_SHIFT 63 /* Extended address bit position. */

		/*
		* Addresses are 2^3=8 bytes each. Page in second level page table holds
		* APEX_PAGE_SIZE/8 addresses.
		*/
		#define APEX_ADDR_SHIFT 3
		#define APEX_LEVEL_SHIFT (APEX_PAGE_SHIFT - APEX_ADDR_SHIFT)
		#define APEX_LEVEL_SIZE BIT(APEX_LEVEL_SHIFT)

		#define APEX_PAGE_TABLE_MAX 65536
		#define APEX_SIMPLE_PAGE_MAX APEX_PAGE_TABLE_MAX
		#define APEX_EXTENDED_PAGE_MAX (APEX_PAGE_TABLE_MAX << APEX_LEVEL_SHIFT)

		/* Check reset 120 times */
		#define APEX_RESET_RETRY 120
		/* Wait 100 ms between checks. Total 12 sec wait maximum. */
		#define APEX_RESET_DELAY 100

		#define APEX_CHIP_INIT_DONE 2
		#define APEX_RESET_ACCEPTED 0

		enum apex_reset_types {
		APEX_CHIP_REINIT_RESET = 3,
		};

		/* Interrupt defines */
		/* Gasket device interrupts enums must be dense (i.e., no empty slots). */
		enum apex_interrupt {
		APEX_INTERRUPT_INSTR_QUEUE = 0,
		APEX_INTERRUPT_INPUT_ACTV_QUEUE = 1,
		APEX_INTERRUPT_PARAM_QUEUE = 2,
		APEX_INTERRUPT_OUTPUT_ACTV_QUEUE = 3,
		APEX_INTERRUPT_SC_HOST_0 = 4,
		APEX_INTERRUPT_SC_HOST_1 = 5,
		APEX_INTERRUPT_SC_HOST_2 = 6,
		APEX_INTERRUPT_SC_HOST_3 = 7,
		APEX_INTERRUPT_TOP_LEVEL_0 = 8,
		APEX_INTERRUPT_TOP_LEVEL_1 = 9,
		APEX_INTERRUPT_TOP_LEVEL_2 = 10,
		APEX_INTERRUPT_TOP_LEVEL_3 = 11,
		APEX_INTERRUPT_FATAL_ERR = 12,
		APEX_INTERRUPT_COUNT = 13,
		};

		/*
		* Clock Gating ioctl.
		*/
		/* Clock Gating ioctl. */
		struct apex_gate_clock_ioctl {
		/* Enter or leave clock gated state. */
		u64 enable;

drivers/staging/gasket/apex_driver.c

+29 −0

Original line number	Diff line number	Diff line
		@@ -54,6 +54,17 @@
		*/
		#define APEX_PAGE_TABLE_TOTAL_ENTRIES 8192

		#define APEX_EXTENDED_SHIFT 63 /* Extended address bit position. */

		enum apex_reset_types {
		APEX_CHIP_REINIT_RESET = 3,
		};

		/* Check reset 120 times */
		#define APEX_RESET_RETRY 120
		/* Wait 100 ms between checks. Total 12 sec wait maximum. */
		#define APEX_RESET_DELAY 100

		/* Enumeration of the supported sysfs entries. */
		enum sysfs_attribute_type {
		ATTR_KERNEL_HIB_PAGE_TABLE_SIZE,
		@@ -133,6 +144,24 @@ static const struct gasket_mappable_region mappable_regions[NUM_REGIONS] = {
		static const struct gasket_mappable_region cm_mappable_regions[1] = { { 0x0,
		APEX_CH_MEM_BYTES } };

		/* Gasket device interrupts enums must be dense (i.e., no empty slots). */
		enum apex_interrupt {
		APEX_INTERRUPT_INSTR_QUEUE = 0,
		APEX_INTERRUPT_INPUT_ACTV_QUEUE = 1,
		APEX_INTERRUPT_PARAM_QUEUE = 2,
		APEX_INTERRUPT_OUTPUT_ACTV_QUEUE = 3,
		APEX_INTERRUPT_SC_HOST_0 = 4,
		APEX_INTERRUPT_SC_HOST_1 = 5,
		APEX_INTERRUPT_SC_HOST_2 = 6,
		APEX_INTERRUPT_SC_HOST_3 = 7,
		APEX_INTERRUPT_TOP_LEVEL_0 = 8,
		APEX_INTERRUPT_TOP_LEVEL_1 = 9,
		APEX_INTERRUPT_TOP_LEVEL_2 = 10,
		APEX_INTERRUPT_TOP_LEVEL_3 = 11,
		APEX_INTERRUPT_FATAL_ERR = 12,
		APEX_INTERRUPT_COUNT = 13,
		};

		/* Interrupt descriptors for Apex */
		static struct gasket_interrupt_desc apex_interrupts[] = {
		{

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