linux/drivers/vfio/pci/pds/cmds.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2023 Advanced Micro Devices, Inc. */

#include <linux/io.h>
#include <linux/types.h>
#include <linux/delay.h>

#include <linux/pds/pds_common.h>
#include <linux/pds/pds_core_if.h>
#include <linux/pds/pds_adminq.h>

#include "vfio_dev.h"
#include "cmds.h"

#define SUSPEND_TIMEOUT_S …
#define SUSPEND_CHECK_INTERVAL_MS …

static int pds_vfio_client_adminq_cmd(struct pds_vfio_pci_device *pds_vfio,
				      union pds_core_adminq_cmd *req,
				      union pds_core_adminq_comp *resp,
				      bool fast_poll)
{ … }

int pds_vfio_register_client_cmd(struct pds_vfio_pci_device *pds_vfio)
{ … }

void pds_vfio_unregister_client_cmd(struct pds_vfio_pci_device *pds_vfio)
{ … }

static int
pds_vfio_suspend_wait_device_cmd(struct pds_vfio_pci_device *pds_vfio, u8 type)
{ … }

int pds_vfio_suspend_device_cmd(struct pds_vfio_pci_device *pds_vfio, u8 type)
{ … }

int pds_vfio_resume_device_cmd(struct pds_vfio_pci_device *pds_vfio, u8 type)
{ … }

int pds_vfio_get_lm_state_size_cmd(struct pds_vfio_pci_device *pds_vfio, u64 *size)
{ … }

static int pds_vfio_dma_map_lm_file(struct device *dev,
				    enum dma_data_direction dir,
				    struct pds_vfio_lm_file *lm_file)
{ … }

static void pds_vfio_dma_unmap_lm_file(struct device *dev,
				       enum dma_data_direction dir,
				       struct pds_vfio_lm_file *lm_file)
{ … }

int pds_vfio_get_lm_state_cmd(struct pds_vfio_pci_device *pds_vfio)
{ … }

int pds_vfio_set_lm_state_cmd(struct pds_vfio_pci_device *pds_vfio)
{ … }

void pds_vfio_send_host_vf_lm_status_cmd(struct pds_vfio_pci_device *pds_vfio,
					 enum pds_lm_host_vf_status vf_status)
{ … }

int pds_vfio_dirty_status_cmd(struct pds_vfio_pci_device *pds_vfio,
			      u64 regions_dma, u8 *max_regions, u8 *num_regions)
{ … }

int pds_vfio_dirty_enable_cmd(struct pds_vfio_pci_device *pds_vfio,
			      u64 regions_dma, u8 num_regions)
{ … }

int pds_vfio_dirty_disable_cmd(struct pds_vfio_pci_device *pds_vfio)
{ … }

int pds_vfio_dirty_seq_ack_cmd(struct pds_vfio_pci_device *pds_vfio,
			       u64 sgl_dma, u16 num_sge, u32 offset,
			       u32 total_len, bool read_seq)
{ … }