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NTB: Split ntb_hw_intel and ntb_transport drivers

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Change ntb_hw_intel to use the new NTB hardware abstraction layer.

Split ntb_transport into its own driver.  Change it to use the new NTB
hardware abstraction layer.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Allen Hubbe 2015-04-09 10:33:20 -04:00 • committed by Jon Mason
commit e26a5843f7
13 changed files with 2589 additions and 2195 deletions
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25
include/linux/ntb_transport.h
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@ -5,6 +5,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 Intel Corporation. All rights reserved.
* Copyright (C) 2015 EMC Corporation. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@ -13,6 +14,7 @@
* BSD LICENSE
*
* Copyright(c) 2012 Intel Corporation. All rights reserved.
* Copyright (C) 2015 EMC Corporation. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -40,7 +42,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Intel PCIe NTB Linux driver
* PCIe NTB Transport Linux driver
*
* Contact Information:
* Jon Mason <jon.mason@intel.com>
@ -48,21 +50,16 @@
struct ntb_transport_qp;
struct ntb_client {
struct ntb_transport_client {
struct device_driver driver;
int (*probe)(struct pci_dev *pdev);
void (*remove)(struct pci_dev *pdev);
int (*probe)(struct device *client_dev);
void (*remove)(struct device *client_dev);
};
enum {
NTB_LINK_DOWN = 0,
NTB_LINK_UP,
};
int ntb_transport_register_client(struct ntb_client *drvr);
void ntb_transport_unregister_client(struct ntb_client *drvr);
int ntb_register_client_dev(char *device_name);
void ntb_unregister_client_dev(char *device_name);
int ntb_transport_register_client(struct ntb_transport_client *drvr);
void ntb_transport_unregister_client(struct ntb_transport_client *drvr);
int ntb_transport_register_client_dev(char *device_name);
void ntb_transport_unregister_client_dev(char *device_name);
struct ntb_queue_handlers {
void (*rx_handler)(struct ntb_transport_qp *qp, void *qp_data,
@ -75,7 +72,7 @@ struct ntb_queue_handlers {
unsigned char ntb_transport_qp_num(struct ntb_transport_qp *qp);
unsigned int ntb_transport_max_size(struct ntb_transport_qp *qp);
struct ntb_transport_qp *
ntb_transport_create_queue(void *data, struct pci_dev *pdev,
ntb_transport_create_queue(void *data, struct device *client_dev,
const struct ntb_queue_handlers *handlers);
void ntb_transport_free_queue(struct ntb_transport_qp *qp);
int ntb_transport_rx_enqueue(struct ntb_transport_qp *qp, void *cb, void *data,