staging: unisys: remove all proc entries from virtpci

This patch removes all proc entries from virtpci

Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Erik Arfvidson 2014-07-08 13:21:30 -04:00 committed by Greg Kroah-Hartman
parent e4c293c9a3
commit 5b796fe8fc
1 changed files with 1 additions and 308 deletions

View File

@ -34,7 +34,6 @@
#include <linux/list.h> #include <linux/list.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/mod_devicetable.h> #include <linux/mod_devicetable.h>
#include <linux/proc_fs.h>
#include <linux/if_ether.h> #include <linux/if_ether.h>
#include <linux/version.h> #include <linux/version.h>
#include "version.h" #include "version.h"
@ -100,18 +99,7 @@ static int virtpci_device_suspend(struct device *dev, pm_message_t state);
static int virtpci_device_resume(struct device *dev); static int virtpci_device_resume(struct device *dev);
static int virtpci_device_probe(struct device *dev); static int virtpci_device_probe(struct device *dev);
static int virtpci_device_remove(struct device *dev); static int virtpci_device_remove(struct device *dev);
static ssize_t virt_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos);
static ssize_t info_proc_read(struct file *file, char __user *buf,
size_t len, loff_t *offset);
static const struct file_operations proc_virt_fops = {
.write = virt_proc_write,
};
static const struct file_operations proc_info_fops = {
.read = info_proc_read,
};
/*****************************************************/ /*****************************************************/
/* Globals */ /* Globals */
@ -152,19 +140,6 @@ static DEFINE_RWLOCK(VpcidevListLock);
/* filled in with info about this driver, wrt it servicing client busses */ /* filled in with info about this driver, wrt it servicing client busses */
static ULTRA_VBUS_DEVICEINFO Bus_DriverInfo; static ULTRA_VBUS_DEVICEINFO Bus_DriverInfo;
/* virtpci_proc_dir_entry is used to create the proc entry directory
* for virtpci
*/
static struct proc_dir_entry *virtpci_proc_dir;
/* virt_proc_entry is used to tell virtpci to add/delete vhbas/vnics/vbuses */
static struct proc_dir_entry *virt_proc_entry;
/* info_proc_entry is used to tell virtpci to display current info
* kept in the driver
*/
static struct proc_dir_entry *info_proc_entry;
#define VIRT_PROC_ENTRY_FN "virt"
#define INFO_PROC_ENTRY_FN "info"
#define DIR_PROC_ENTRY "virtpci"
struct virtpci_busdev { struct virtpci_busdev {
struct device virtpci_bus_device; struct device virtpci_bus_device;
@ -1401,274 +1376,6 @@ void virtpci_unregister_driver(struct virtpci_driver *drv)
} }
EXPORT_SYMBOL_GPL(virtpci_unregister_driver); EXPORT_SYMBOL_GPL(virtpci_unregister_driver);
/*****************************************************/
/* proc filesystem functions */
/*****************************************************/
struct print_vbus_info {
int *length;
char *buf;
};
static int print_vbus(struct device *vbus, void *data)
{
struct print_vbus_info *p = (struct print_vbus_info *) data;
int l = *(p->length);
*(p->length) = l + sprintf(p->buf + l, "bus_id:%s\n", dev_name(vbus));
return 0; /* no error */
}
static ssize_t info_proc_read(struct file *file, char __user *buf,
size_t len, loff_t *offset)
{
int length = 0;
struct virtpci_dev *tmpvpcidev;
unsigned long flags;
struct print_vbus_info printparam;
char *vbuf;
loff_t pos = *offset;
if (pos < 0)
return -EINVAL;
if (pos > 0 || !len)
return 0;
vbuf = kzalloc(len, GFP_KERNEL);
if (!vbuf)
return -ENOMEM;
length += sprintf(vbuf + length, "CHANSOCK is not defined.\n");
length += sprintf(vbuf + length, "\n Virtual PCI Bus devices\n");
printparam.length = &length;
printparam.buf = vbuf;
if (bus_for_each_dev(&virtpci_bus_type, NULL,
(void *) &printparam, print_vbus))
LOGERR("delete of all vbus failed\n");
length += sprintf(vbuf + length, "\n Virtual PCI devices\n");
read_lock_irqsave(&VpcidevListLock, flags);
tmpvpcidev = VpcidevListHead;
while (tmpvpcidev) {
if (tmpvpcidev->devtype == VIRTHBA_TYPE) {
length += sprintf(vbuf + length, "[%d:%d] VHba:%08x:%08x max-config:%d-%d-%d-%d",
tmpvpcidev->busNo, tmpvpcidev->deviceNo,
tmpvpcidev->scsi.wwnn.wwnn1,
tmpvpcidev->scsi.wwnn.wwnn2,
tmpvpcidev->scsi.max.max_channel,
tmpvpcidev->scsi.max.max_id,
tmpvpcidev->scsi.max.max_lun,
tmpvpcidev->scsi.max.cmd_per_lun);
} else {
length += sprintf(vbuf + length, "[%d:%d] VNic:%02x:%02x:%02x:%02x:%02x:%02x num_rcv_bufs:%d mtu:%d",
tmpvpcidev->busNo, tmpvpcidev->deviceNo,
tmpvpcidev->net.mac_addr[0],
tmpvpcidev->net.mac_addr[1],
tmpvpcidev->net.mac_addr[2],
tmpvpcidev->net.mac_addr[3],
tmpvpcidev->net.mac_addr[4],
tmpvpcidev->net.mac_addr[5],
tmpvpcidev->net.num_rcv_bufs,
tmpvpcidev->net.mtu);
}
length +=
sprintf(vbuf + length, " chanptr:%p\n",
tmpvpcidev->queueinfo.chan);
tmpvpcidev = tmpvpcidev->next;
}
read_unlock_irqrestore(&VpcidevListLock, flags);
length += sprintf(vbuf + length, "\n");
if (copy_to_user(buf, vbuf, length)) {
kfree(vbuf);
return -EFAULT;
}
kfree(vbuf);
*offset += length;
return length;
}
static ssize_t virt_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
char buf[16];
int type, i, action = 0xffff;
unsigned int busno, deviceno;
void __iomem *chanptr;
struct add_vbus_guestpart busaddparams;
struct add_virt_guestpart addparams;
struct del_vbus_guestpart busdelparams;
struct del_virt_guestpart delparams;
#ifdef STORAGE_CHANNEL
U64 storagechannel;
#endif
#define PRINT_USAGE_RETURN {\
LOGERR("usage: 0-0-<chanptr> ==> delete vhba\n"); \
LOGERR("usage: 0-1-<chanptr>-<busNo>-<deviceNo> ==> add vhba\n"); \
LOGERR("usage: 0-f-<busNo> ==> delete all vhbas\n"); \
LOGERR("\n"); \
LOGERR("usage: 1-0-<chanptr> ==> delete vnic\n"); \
LOGERR("usage: 1-1-<chanptr>-<busNo>-<deviceNo> ==> add vnic\n"); \
LOGERR("usage: 1-f-<busNo> ==> delete all vnics\n"); \
LOGERR("\n"); \
LOGERR("usage: 6-0-<busNo> ==> delete vbus\n"); \
LOGERR("usage: 6-1-<busNo> ==> add vbus\n"); \
LOGERR("usage: 6-f ==> delete all vbuses\n"); \
LOGERR("usage: 98-<busNo>-<deviceNo> ==> INJECT Client delete vnic\n"); \
LOGERR("usage: 99-<chanptr>-<busNo>-<deviceNo> ==> INJECT Client add vnic\n"); \
return -EINVAL; \
}
if (count >= ARRAY_SIZE(buf))
return -EINVAL;
if (copy_from_user(buf, buffer, count)) {
LOGERR("copy_from_user failed.\n");
return -EFAULT;
}
i = sscanf(buf, "%x-%x", &type, &action);
if (i < 2)
PRINT_USAGE_RETURN;
if (type == 0x98) {
/* client inject delete vnic */
i = sscanf(buf, "%x-%d-%d", &type, &busno, &deviceno);
if (i != 3)
PRINT_USAGE_RETURN;
uislib_client_inject_del_vnic(busno, deviceno);
return count; /* success */
} else if (type == 0x99) {
/* client inject add vnic */
i = sscanf(buf, "%x-%p-%d-%d", &type, &chanptr, &busno,
&deviceno);
if (i != 4)
PRINT_USAGE_RETURN;
if (!uislib_client_inject_add_vnic(busno, deviceno,
__pa(chanptr),
MIN_IO_CHANNEL_SIZE,
1, /* test msg */
NULL_UUID_LE, /* inst guid */
NULL)) { /*interrupt info */
LOGERR("FAILED to inject add vnic\n");
return -EFAULT;
}
return count; /* success */
}
if ((type != VIRTHBA_TYPE) && (type != VIRTNIC_TYPE)
&& (type != VIRTBUS_TYPE))
PRINT_USAGE_RETURN;
if (type == VIRTBUS_TYPE) {
i = sscanf(buf, "%x-%x-%d", &type, &action, &busno);
switch (action) {
case 0:
/* delete vbus */
if (i != 3)
break;
busdelparams.busNo = busno;
if (delete_vbus(&busdelparams))
return count; /* success */
return -EFAULT;
case 1:
/* add vbus */
if (i != 3)
break;
busaddparams.chanptr = NULL; /* NOT YET USED */
busaddparams.busNo = busno;
if (add_vbus(&busaddparams))
return count; /* success */
return -EFAULT;
case 0xf:
/* delete all vbuses and all vhbas/vnics on the buses */
if (i != 2)
break;
delete_all();
return count; /* success */
default:
break;
}
PRINT_USAGE_RETURN;
}
/* if (type == VIRTNIC_TYPE) or if (type == VIRTHBA_TYPE) */
switch (action) {
case 0:
/* delete vhba/vnic */
i = sscanf(buf, "%x-%x-%p", &type, &action, &chanptr);
if (i != 3)
break;
delparams.chanptr = chanptr;
if (type == VIRTHBA_TYPE) {
if (delete_vhba(&delparams))
return count; /* success */
} else {
if (delete_vnic(&delparams))
return count; /* success */
}
return -EFAULT;
case 1:
/* add vhba/vnic */
i = sscanf(buf, "%x-%x-%p-%d-%d", &type, &action, &chanptr,
&busno, &deviceno);
if (i != 5)
break;
addparams.chanptr = chanptr;
addparams.busNo = busno;
addparams.deviceNo = deviceno;
if (type == VIRTHBA_TYPE) {
if (add_vhba(&addparams))
return count; /* success */
} else {
if (add_vnic(&addparams))
return count; /* success */
}
return -EFAULT;
#ifdef STORAGE_CHANNEL
case 2:
/* add vhba */
i = sscanf(buf, "%x-%x-%d-%d", &type, &action, &busno,
&deviceno);
if (i != 4)
break;
storagechannel = uislib_storage_channel(0); /* Get my storage channel */
/* ioremap_cache it now */
addparams.chanptr =
(void *) ioremap_cache(storagechannel, IO_CHANNEL_SIZE);
if (addparams.chanptr == NULL) {
LOGERR("Failure to get remap storage channel.\n");
return -EFAULT;
}
addparams.busNo = busno;
addparams.deviceNo = deviceno;
if (type == VIRTHBA_TYPE) {
if (add_vhba(&addparams))
return count; /* success */
}
return -EFAULT;
#endif
case 0xf:
/* delete all vhbas/vnics */
i = sscanf(buf, "%x-%x-%d", &type, &action, &busno);
if (i != 3)
break;
busdelparams.busNo = busno;
delete_all_virt(type, &busdelparams);
return count; /* success */
default:
break;
}
PRINT_USAGE_RETURN;
}
/*****************************************************/ /*****************************************************/
/* Module Init & Exit functions */ /* Module Init & Exit functions */
/*****************************************************/ /*****************************************************/
@ -1719,12 +1426,7 @@ static int __init virtpci_mod_init(void)
LOGINF("successfully registered virtpci_ctrlchan_func (0x%p) as callback.\n", LOGINF("successfully registered virtpci_ctrlchan_func (0x%p) as callback.\n",
(void *) &virtpci_ctrlchan_func); (void *) &virtpci_ctrlchan_func);
/* create the proc directories */
virtpci_proc_dir = proc_mkdir(DIR_PROC_ENTRY, NULL);
virt_proc_entry = proc_create(VIRT_PROC_ENTRY_FN, 0, virtpci_proc_dir,
&proc_virt_fops);
info_proc_entry = proc_create(INFO_PROC_ENTRY_FN, 0, virtpci_proc_dir,
&proc_info_fops);
LOGINF("Leaving\n"); LOGINF("Leaving\n");
POSTCODE_LINUX_2(VPCI_CREATE_EXIT_PC, POSTCODE_SEVERITY_INFO); POSTCODE_LINUX_2(VPCI_CREATE_EXIT_PC, POSTCODE_SEVERITY_INFO);
return 0; return 0;
@ -1741,15 +1443,6 @@ static void __exit virtpci_mod_exit(void)
device_unregister(&virtpci_rootbus_device); device_unregister(&virtpci_rootbus_device);
bus_unregister(&virtpci_bus_type); bus_unregister(&virtpci_bus_type);
if (virt_proc_entry)
remove_proc_entry(VIRT_PROC_ENTRY_FN, virtpci_proc_dir);
if (info_proc_entry)
remove_proc_entry(INFO_PROC_ENTRY_FN, virtpci_proc_dir);
if (virtpci_proc_dir)
remove_proc_entry(DIR_PROC_ENTRY, NULL);
LOGINF("Leaving\n"); LOGINF("Leaving\n");
} }