staging: unisys: remove virthba proc files
This patch removes all proc entries, directories, and functions 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
Greg Kroah-Hartman
parent
5d30566f73
commit
29a2600ce4
1 changed files with 0 additions and 206 deletions
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@ -50,7 +50,6 @@
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#include <scsi/scsi_cmnd.h>
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#include <scsi/scsi_device.h>
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#include <asm/param.h>
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#include <linux/proc_fs.h>
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#include <linux/types.h>
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#include "virthba.h"
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@ -106,15 +105,6 @@ static int virthba_serverdown(struct virtpci_dev *virtpcidev, u32 state);
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static void doDiskAddRemove(struct work_struct *work);
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static void virthba_serverdown_complete(struct work_struct *work);
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static ssize_t info_proc_read(struct file *file, char __user *buf,
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size_t len, loff_t *offset);
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static ssize_t rqwu_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *ppos);
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static ssize_t enable_ints_read(struct file *file, char __user *buffer,
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size_t count, loff_t *ppos);
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static ssize_t enable_ints_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *ppos);
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/*****************************************************/
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/* Globals */
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/*****************************************************/
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@ -208,7 +198,6 @@ struct diskaddremove {
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static DEVICE_ATTRIBUTE *virthba_shost_attrs[];
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static struct scsi_host_template virthba_driver_template = {
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.name = "Unisys Virtual HBA",
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.proc_name = "uisvirthba",
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.info = virthba_get_info,
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.ioctl = virthba_ioctl,
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.queuecommand = virthba_queue_command,
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@ -232,31 +221,9 @@ struct virthba_devices_open {
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struct virthba_info *virthbainfo;
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};
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static const struct file_operations proc_info_fops = {
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.read = info_proc_read,
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};
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static const struct file_operations proc_rqwu_fops = {
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.write = rqwu_proc_write,
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};
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static const struct file_operations proc_enable_ints_fops = {
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.read = enable_ints_read,
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.write = enable_ints_write,
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};
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#define VIRTHBASOPENMAX 1
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/* array of open devices maintained by open() and close(); */
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static struct virthba_devices_open VirtHbasOpen[VIRTHBASOPENMAX];
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static struct proc_dir_entry *virthba_proc_dir;
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static struct proc_dir_entry *info_proc_entry;
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static struct proc_dir_entry *rqwaitus_proc_entry;
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static struct proc_dir_entry *enable_ints_proc_entry;
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#define INFO_PROC_ENTRY_FN "info"
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#define ENABLE_INTS_ENTRY_FN "enable_ints"
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#define RQWU_PROC_ENTRY_FN "rqwait_usecs"
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#define DIR_PROC_ENTRY "virthba"
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/*****************************************************/
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/* Local Functions */
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@ -1375,156 +1342,6 @@ process_incoming_rsps(void *v)
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complete_and_exit(&dc->threadinfo.has_stopped, 0);
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}
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/*****************************************************/
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/* proc filesystem functions */
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/*****************************************************/
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static ssize_t
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info_proc_read(struct file *file, char __user *buf, size_t len, loff_t *offset)
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{
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int length = 0;
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U64 phys_flags_addr;
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int i;
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struct virthba_info *virthbainfo;
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char *vbuf;
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loff_t pos = *offset;
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if (pos < 0)
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return -EINVAL;
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if (pos > 0 || !len)
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return 0;
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vbuf = kzalloc(len, GFP_KERNEL);
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if (!vbuf)
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return -ENOMEM;
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for (i = 0; i < VIRTHBASOPENMAX; i++) {
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if (VirtHbasOpen[i].virthbainfo == NULL)
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continue;
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virthbainfo = VirtHbasOpen[i].virthbainfo;
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length += sprintf(vbuf + length, "CHANSOCK is not defined.\n");
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length += sprintf(vbuf + length, "MaxBuffLen:%u\n", MaxBuffLen);
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length += sprintf(vbuf + length, "\nvirthba result queue poll wait:%d usecs.\n",
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rsltq_wait_usecs);
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length += sprintf(vbuf + length, "\ninterrupts_rcvd = %llu, interrupts_disabled = %llu\n",
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virthbainfo->interrupts_rcvd,
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virthbainfo->interrupts_disabled);
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length += sprintf(vbuf + length, "\ninterrupts_notme = %llu,\n",
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virthbainfo->interrupts_notme);
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phys_flags_addr = virt_to_phys((__force void *)
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virthbainfo->flags_addr);
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length += sprintf(vbuf + length, "flags_addr = %p, phys_flags_addr=0x%016llx, FeatureFlags=%llu\n",
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virthbainfo->flags_addr, phys_flags_addr,
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(__le64)readq(virthbainfo->flags_addr));
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length += sprintf(vbuf + length, "acquire_failed_cnt:%llu\n",
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virthbainfo->acquire_failed_cnt);
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length += sprintf(vbuf + length, "\n");
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}
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if (copy_to_user(buf, vbuf, length)) {
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kfree(vbuf);
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return -EFAULT;
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}
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kfree(vbuf);
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*offset += length;
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return length;
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}
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static ssize_t
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enable_ints_read(struct file *file, char __user *buffer,
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size_t count, loff_t *ppos)
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{
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return 0;
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}
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static ssize_t
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enable_ints_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *ppos)
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{
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char buf[4];
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int i, new_value;
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struct virthba_info *virthbainfo;
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U64 __iomem *Features_addr;
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U64 mask;
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if (count >= ARRAY_SIZE(buf))
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return -EINVAL;
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buf[count] = '\0';
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if (copy_from_user(buf, buffer, count)) {
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LOGERR("copy_from_user failed. buf<<%.*s>> count<<%lu>>\n",
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(int) count, buf, count);
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return -EFAULT;
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}
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i = sscanf(buf, "%d", &new_value);
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if (i < 1) {
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LOGERR("Failed to scan value for enable_ints, buf<<%.*s>>",
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(int) count, buf);
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return -EFAULT;
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}
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/* set all counts to new_value usually 0 */
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for (i = 0; i < VIRTHBASOPENMAX; i++) {
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if (VirtHbasOpen[i].virthbainfo != NULL) {
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virthbainfo = VirtHbasOpen[i].virthbainfo;
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Features_addr =
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&virthbainfo->chinfo.queueinfo->chan->Features;
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if (new_value == 1) {
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mask = ~(ULTRA_IO_CHANNEL_IS_POLLING |
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ULTRA_IO_DRIVER_DISABLES_INTS);
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uisqueue_InterlockedAnd(Features_addr, mask);
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mask = ULTRA_IO_DRIVER_ENABLES_INTS;
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uisqueue_InterlockedOr(Features_addr, mask);
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rsltq_wait_usecs = 4000000;
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} else {
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mask = ~(ULTRA_IO_DRIVER_ENABLES_INTS |
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ULTRA_IO_DRIVER_DISABLES_INTS);
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uisqueue_InterlockedAnd(Features_addr, mask);
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mask = ULTRA_IO_CHANNEL_IS_POLLING;
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uisqueue_InterlockedOr(Features_addr, mask);
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rsltq_wait_usecs = 4000;
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}
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}
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}
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return count;
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}
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static ssize_t
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rqwu_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *ppos)
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{
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char buf[16];
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int i, usecs;
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if (count >= ARRAY_SIZE(buf))
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return -EINVAL;
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if (copy_from_user(buf, buffer, count)) {
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LOGERR("copy_from_user failed. buf<<%.*s>> count<<%lu>>\n",
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(int) count, buf, count);
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return -EFAULT;
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}
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i = sscanf(buf, "%d", &usecs);
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if (i < 1) {
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LOGERR("Failed to scan value for rqwait_usecs buf<<%.*s>>",
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(int) count, buf);
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return -EFAULT;
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}
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/* set global wait time */
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rsltq_wait_usecs = usecs;
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return count;
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}
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/* As per VirtpciFunc returns 1 for success and 0 for failure */
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static int
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virthba_serverup(struct virtpci_dev *virtpcidev)
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@ -1708,17 +1525,6 @@ virthba_mod_init(void)
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POSTCODE_LINUX_3(VHBA_CREATE_FAILURE_PC, error,
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POSTCODE_SEVERITY_ERR);
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} else {
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/* create the proc directories */
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virthba_proc_dir = proc_mkdir(DIR_PROC_ENTRY, NULL);
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info_proc_entry = proc_create(INFO_PROC_ENTRY_FN, 0,
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virthba_proc_dir,
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&proc_info_fops);
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rqwaitus_proc_entry = proc_create(RQWU_PROC_ENTRY_FN, 0,
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virthba_proc_dir,
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&proc_rqwu_fops);
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enable_ints_proc_entry = proc_create(ENABLE_INTS_ENTRY_FN, 0,
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virthba_proc_dir,
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&proc_enable_ints_fops);
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/* Initialize DARWorkQ */
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INIT_WORK(&DARWorkQ, doDiskAddRemove);
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@ -1799,18 +1605,6 @@ virthba_mod_exit(void)
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virthba_serverdown_workqueue = NULL;
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}
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if (info_proc_entry)
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remove_proc_entry(INFO_PROC_ENTRY_FN, virthba_proc_dir);
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if (rqwaitus_proc_entry)
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remove_proc_entry(RQWU_PROC_ENTRY_FN, NULL);
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if (enable_ints_proc_entry)
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remove_proc_entry(ENABLE_INTS_ENTRY_FN, NULL);
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if (virthba_proc_dir)
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remove_proc_entry(DIR_PROC_ENTRY, NULL);
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LOGINF("Leaving virthba_mod_exit\n");
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}
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