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// SPDX-License-Identifier: GPL-2.0-only
//Copyright(c) 2021 Intel Corporation. All rights reserved.
#include <linux/libnvdimm.h>
#include <linux/rculist.h>
#include <linux/device.h>
#include <linux/export.h>
#include <linux/acpi.h>
#include <linux/pci.h>
#include <cxlmem.h>
#include <cxlpci.h>
#include "mock.h"
static LIST_HEAD(mock);
void register_cxl_mock_ops(struct cxl_mock_ops *ops)
{
list_add_rcu(&ops->list, &mock);
}
EXPORT_SYMBOL_GPL(register_cxl_mock_ops);
DEFINE_STATIC_SRCU(cxl_mock_srcu);
void unregister_cxl_mock_ops(struct cxl_mock_ops *ops)
{
list_del_rcu(&ops->list);
synchronize_srcu(&cxl_mock_srcu);
}
EXPORT_SYMBOL_GPL(unregister_cxl_mock_ops);
struct cxl_mock_ops *get_cxl_mock_ops(int *index)
{
*index = srcu_read_lock(&cxl_mock_srcu);
return list_first_or_null_rcu(&mock, struct cxl_mock_ops, list);
}
EXPORT_SYMBOL_GPL(get_cxl_mock_ops);
void put_cxl_mock_ops(int index)
{
srcu_read_unlock(&cxl_mock_srcu, index);
}
EXPORT_SYMBOL_GPL(put_cxl_mock_ops);
bool __wrap_is_acpi_device_node(const struct fwnode_handle *fwnode)
{
struct acpi_device *adev =
container_of(fwnode, struct acpi_device, fwnode);
int index;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
bool retval = false;
if (ops)
retval = ops->is_mock_adev(adev);
if (!retval)
retval = is_acpi_device_node(fwnode);
put_cxl_mock_ops(index);
return retval;
}
EXPORT_SYMBOL(__wrap_is_acpi_device_node);
int __wrap_acpi_table_parse_cedt(enum acpi_cedt_type id,
acpi_tbl_entry_handler_arg handler_arg,
void *arg)
{
int index, rc;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops)
rc = ops->acpi_table_parse_cedt(id, handler_arg, arg);
else
rc = acpi_table_parse_cedt(id, handler_arg, arg);
put_cxl_mock_ops(index);
return rc;
}
EXPORT_SYMBOL_NS_GPL(__wrap_acpi_table_parse_cedt, "ACPI");
acpi_status __wrap_acpi_evaluate_integer(acpi_handle handle,
acpi_string pathname,
struct acpi_object_list *arguments,
unsigned long long *data)
{
int index;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
acpi_status status;
if (ops)
status = ops->acpi_evaluate_integer(handle, pathname, arguments,
data);
else
status = acpi_evaluate_integer(handle, pathname, arguments,
data);
put_cxl_mock_ops(index);
return status;
}
EXPORT_SYMBOL(__wrap_acpi_evaluate_integer);
struct acpi_pci_root *__wrap_acpi_pci_find_root(acpi_handle handle)
{
int index;
struct acpi_pci_root *root;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops)
root = ops->acpi_pci_find_root(handle);
else
root = acpi_pci_find_root(handle);
put_cxl_mock_ops(index);
return root;
}
EXPORT_SYMBOL_GPL(__wrap_acpi_pci_find_root);
struct nvdimm_bus *
__wrap_nvdimm_bus_register(struct device *dev,
struct nvdimm_bus_descriptor *nd_desc)
{
int index;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops && ops->is_mock_dev(dev->parent->parent))
nd_desc->provider_name = "cxl_test";
put_cxl_mock_ops(index);
return nvdimm_bus_register(dev, nd_desc);
}
EXPORT_SYMBOL_GPL(__wrap_nvdimm_bus_register);
struct cxl_hdm *__wrap_devm_cxl_setup_hdm(struct cxl_port *port,
struct cxl_endpoint_dvsec_info *info)
{
int index;
struct cxl_hdm *cxlhdm;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops && ops->is_mock_port(port->uport_dev))
cxlhdm = ops->devm_cxl_setup_hdm(port, info);
else
cxlhdm = devm_cxl_setup_hdm(port, info);
put_cxl_mock_ops(index);
return cxlhdm;
}
EXPORT_SYMBOL_NS_GPL(__wrap_devm_cxl_setup_hdm, "CXL");
int __wrap_devm_cxl_add_passthrough_decoder(struct cxl_port *port)
{
int rc, index;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops && ops->is_mock_port(port->uport_dev))
rc = ops->devm_cxl_add_passthrough_decoder(port);
else
rc = devm_cxl_add_passthrough_decoder(port);
put_cxl_mock_ops(index);
return rc;
}
EXPORT_SYMBOL_NS_GPL(__wrap_devm_cxl_add_passthrough_decoder, "CXL");
int __wrap_devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm,
struct cxl_endpoint_dvsec_info *info)
{
int rc, index;
struct cxl_port *port = cxlhdm->port;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops && ops->is_mock_port(port->uport_dev))
rc = ops->devm_cxl_enumerate_decoders(cxlhdm, info);
else
rc = devm_cxl_enumerate_decoders(cxlhdm, info);
put_cxl_mock_ops(index);
return rc;
}
EXPORT_SYMBOL_NS_GPL(__wrap_devm_cxl_enumerate_decoders, "CXL");
int __wrap_devm_cxl_port_enumerate_dports(struct cxl_port *port)
{
int rc, index;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops && ops->is_mock_port(port->uport_dev))
rc = ops->devm_cxl_port_enumerate_dports(port);
else
rc = devm_cxl_port_enumerate_dports(port);
put_cxl_mock_ops(index);
return rc;
}
EXPORT_SYMBOL_NS_GPL(__wrap_devm_cxl_port_enumerate_dports, "CXL");
int __wrap_cxl_await_media_ready(struct cxl_dev_state *cxlds)
{
int rc, index;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops && ops->is_mock_dev(cxlds->dev))
rc = 0;
else
rc = cxl_await_media_ready(cxlds);
put_cxl_mock_ops(index);
return rc;
}
EXPORT_SYMBOL_NS_GPL(__wrap_cxl_await_media_ready, "CXL");
int __wrap_cxl_hdm_decode_init(struct cxl_dev_state *cxlds,
struct cxl_hdm *cxlhdm,
struct cxl_endpoint_dvsec_info *info)
{
int rc = 0, index;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops && ops->is_mock_dev(cxlds->dev))
rc = 0;
else
rc = cxl_hdm_decode_init(cxlds, cxlhdm, info);
put_cxl_mock_ops(index);
return rc;
}
EXPORT_SYMBOL_NS_GPL(__wrap_cxl_hdm_decode_init, "CXL");
int __wrap_cxl_dvsec_rr_decode(struct cxl_dev_state *cxlds,
struct cxl_endpoint_dvsec_info *info)
{
int rc = 0, index;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops && ops->is_mock_dev(cxlds->dev))
rc = 0;
else
rc = cxl_dvsec_rr_decode(cxlds, info);
put_cxl_mock_ops(index);
return rc;
}
EXPORT_SYMBOL_NS_GPL(__wrap_cxl_dvsec_rr_decode, "CXL");
struct cxl_dport *__wrap_devm_cxl_add_rch_dport(struct cxl_port *port,
struct device *dport_dev,
int port_id,
resource_size_t rcrb)
{
int index;
struct cxl_dport *dport;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops && ops->is_mock_port(dport_dev)) {
dport = devm_cxl_add_dport(port, dport_dev, port_id,
CXL_RESOURCE_NONE);
if (!IS_ERR(dport)) {
dport->rcrb.base = rcrb;
dport->rch = true;
}
} else
dport = devm_cxl_add_rch_dport(port, dport_dev, port_id, rcrb);
put_cxl_mock_ops(index);
return dport;
}
EXPORT_SYMBOL_NS_GPL(__wrap_devm_cxl_add_rch_dport, "CXL");
resource_size_t __wrap_cxl_rcd_component_reg_phys(struct device *dev,
struct cxl_dport *dport)
{
int index;
resource_size_t component_reg_phys;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (ops && ops->is_mock_port(dev))
component_reg_phys = CXL_RESOURCE_NONE;
else
component_reg_phys = cxl_rcd_component_reg_phys(dev, dport);
put_cxl_mock_ops(index);
return component_reg_phys;
}
EXPORT_SYMBOL_NS_GPL(__wrap_cxl_rcd_component_reg_phys, "CXL");
void __wrap_cxl_endpoint_parse_cdat(struct cxl_port *port)
{
int index;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
struct cxl_memdev *cxlmd = to_cxl_memdev(port->uport_dev);
if (ops && ops->is_mock_dev(cxlmd->dev.parent))
ops->cxl_endpoint_parse_cdat(port);
else
cxl_endpoint_parse_cdat(port);
put_cxl_mock_ops(index);
}
EXPORT_SYMBOL_NS_GPL(__wrap_cxl_endpoint_parse_cdat, "CXL");
void __wrap_cxl_dport_init_ras_reporting(struct cxl_dport *dport, struct device *host)
{
int index;
struct cxl_mock_ops *ops = get_cxl_mock_ops(&index);
if (!ops || !ops->is_mock_port(dport->dport_dev))
cxl_dport_init_ras_reporting(dport, host);
put_cxl_mock_ops(index);
}
EXPORT_SYMBOL_NS_GPL(__wrap_cxl_dport_init_ras_reporting, "CXL");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("cxl_test: emulation module");
MODULE_IMPORT_NS("ACPI");
MODULE_IMPORT_NS("CXL");
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