#include <linux/list.h>
#include <linux/slab.h>
#include <linux/mod_devicetable.h>
-#include <linux/proc_fs.h>
#include <linux/if_ether.h>
#include <linux/version.h>
#include "version.h"
static int virtpci_device_resume(struct device *dev);
static int virtpci_device_probe(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 */
/* filled in with info about this driver, wrt it servicing client busses */
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 device virtpci_bus_device;
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 */
/*****************************************************/
LOGINF("successfully registered virtpci_ctrlchan_func (0x%p) as callback.\n",
(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");
POSTCODE_LINUX_2(VPCI_CREATE_EXIT_PC, POSTCODE_SEVERITY_INFO);
return 0;
device_unregister(&virtpci_rootbus_device);
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");
}
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