https://github.com/torvalds/linux
- HEAD
- refs/heads/arm64-uaccess
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/certifi-2024.7.4
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/idna-3.7
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/requests-2.32.2
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/setuptools-70.0.0
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/urllib3-2.2.2
- refs/heads/master
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Tip revision: e73f0f0ee7541171d89f2e2491130c7771ba58d3 authored by Linus Torvalds on 11 July 2021, 22:07:40 UTC
Linux 5.14-rc1
Linux 5.14-rc1
Tip revision: e73f0f0
hw-txe.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2013-2016, Intel Corporation. All rights reserved.
* Intel Management Engine Interface (Intel MEI) Linux driver
*/
#ifndef _MEI_HW_TXE_H_
#define _MEI_HW_TXE_H_
#include <linux/irqreturn.h>
#include "hw.h"
#include "hw-txe-regs.h"
#define MEI_TXI_RPM_TIMEOUT 500 /* ms */
/* Flatten Hierarchy interrupt cause */
#define TXE_INTR_READINESS_BIT 0 /* HISR_INT_0_STS */
#define TXE_INTR_READINESS HISR_INT_0_STS
#define TXE_INTR_ALIVENESS_BIT 1 /* HISR_INT_1_STS */
#define TXE_INTR_ALIVENESS HISR_INT_1_STS
#define TXE_INTR_OUT_DB_BIT 2 /* HISR_INT_2_STS */
#define TXE_INTR_OUT_DB HISR_INT_2_STS
#define TXE_INTR_IN_READY_BIT 8 /* beyond HISR */
#define TXE_INTR_IN_READY BIT(8)
/**
* struct mei_txe_hw - txe hardware specifics
*
* @mem_addr: SeC and BRIDGE bars
* @aliveness: aliveness (power gating) state of the hardware
* @readiness: readiness state of the hardware
* @slots: number of empty slots
* @wait_aliveness_resp: aliveness wait queue
* @intr_cause: translated interrupt cause
*/
struct mei_txe_hw {
void __iomem * const *mem_addr;
u32 aliveness;
u32 readiness;
u32 slots;
wait_queue_head_t wait_aliveness_resp;
unsigned long intr_cause;
};
#define to_txe_hw(dev) (struct mei_txe_hw *)((dev)->hw)
static inline struct mei_device *hw_txe_to_mei(struct mei_txe_hw *hw)
{
return container_of((void *)hw, struct mei_device, hw);
}
struct mei_device *mei_txe_dev_init(struct pci_dev *pdev);
irqreturn_t mei_txe_irq_quick_handler(int irq, void *dev_id);
irqreturn_t mei_txe_irq_thread_handler(int irq, void *dev_id);
int mei_txe_aliveness_set_sync(struct mei_device *dev, u32 req);
int mei_txe_setup_satt2(struct mei_device *dev, phys_addr_t addr, u32 range);
#endif /* _MEI_HW_TXE_H_ */