blob: 6ec69ada19f480ce62c1763e8b473a923f87951b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/*
* Copyright 2014-2016 IBM Corp.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/pci.h>
#include "cxl.h"
bool _cxl_pci_associate_default_context(struct pci_dev *dev, struct cxl_afu *afu)
{
struct cxl_context *ctx;
/*
* Allocate a context to do cxl things to. This is used for interrupts
* in the peer model using a real phb, and if we eventually do DMA ops
* in the virtual phb, we'll need a default context to attach them to.
*/
ctx = cxl_dev_context_init(dev);
if (IS_ERR(ctx))
return false;
dev->dev.archdata.cxl_ctx = ctx;
return (cxl_ops->afu_check_and_enable(afu) == 0);
}
/* exported via cxl_base */
void _cxl_pci_disable_device(struct pci_dev *dev)
{
struct cxl_context *ctx = cxl_get_context(dev);
if (ctx) {
if (ctx->status == STARTED) {
dev_err(&dev->dev, "Default context started\n");
return;
}
dev->dev.archdata.cxl_ctx = NULL;
cxl_release_context(ctx);
}
}
/* exported via cxl_base */
|
