vserver 1.9.5.x5
[linux-2.6.git] / kernel / vserver / proc.c
index e957fd4..6b4c6e9 100644 (file)
@@ -3,7 +3,7 @@
  *
  *  Virtual Context Support
  *
- *  Copyright (C) 2003-2004  Herbert Pötzl
+ *  Copyright (C) 2003-2005  Herbert Pötzl
  *
  *  V0.01  basic structure
  *  V0.02  adaptation vs1.3.0
 #include <linux/config.h>
 #include <linux/errno.h>
 #include <linux/proc_fs.h>
-#include <linux/vserver.h>
-#include <linux/vs_base.h>
+#include <linux/sched.h>
 #include <linux/vs_context.h>
 #include <linux/vs_network.h>
+#include <linux/vs_cvirt.h>
+
+#include <linux/vserver/switch.h>
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 
+#include "cvirt_proc.h"
+#include "limit_proc.h"
+#include "sched_proc.h"
+#include "vci_config.h"
 
 static struct proc_dir_entry *proc_virtual;
 
@@ -46,7 +52,7 @@ enum vid_directory_inos {
        PROC_NID_STATUS,
 };
 
-#define        PROC_VID_MASK   0x60
+#define PROC_VID_MASK  0x60
 
 
 /* first the actual feeds */
@@ -57,9 +63,11 @@ static int proc_virtual_info(int vid, char *buffer)
        return sprintf(buffer,
                "VCIVersion:\t%04x:%04x\n"
                "VCISyscall:\t%d\n"
+               "VCIKernel:\t%08x\n"
                ,VCI_VERSION >> 16
                ,VCI_VERSION & 0xFFFF
                ,__NR_vserver
+               ,vci_kernel_config()
                );
 }
 
@@ -93,14 +101,14 @@ int proc_xid_status (int vid, char *buffer)
        if (!vxi)
                return 0;
        length = sprintf(buffer,
-               "UseCnt:\t%d\n"         
-               "RefCnt:\t%d\n"         
+               "UseCnt:\t%d\n"
+               "Tasks:\t%d\n"
                "Flags:\t%016llx\n"
                "BCaps:\t%016llx\n"
                "CCaps:\t%016llx\n"
-               "Ticks:\t%d\n"          
+               "Ticks:\t%d\n"
                ,atomic_read(&vxi->vx_usecnt)
-               ,atomic_read(&vxi->vx_refcnt)
+               ,atomic_read(&vxi->vx_tasks)
                ,(unsigned long long)vxi->vx_flags
                ,(unsigned long long)vxi->vx_bcaps
                ,(unsigned long long)vxi->vx_ccaps
@@ -144,6 +152,7 @@ int proc_xid_cvirt (int vid, char *buffer)
        vxi = locate_vx_info(vid);
        if (!vxi)
                return 0;
+       vx_update_load(vxi);
        length = vx_info_proc_cvirt(&vxi->cvirt, buffer);
        put_vx_info(vxi);
        return length;
@@ -174,7 +183,7 @@ static int proc_vnet_info(int vid, char *buffer)
                );
 }
 
-#define        atoquad(a) \
+#define atoquad(a) \
        (((a)>>0) & 0xff), (((a)>>8) & 0xff), \
        (((a)>>16) & 0xff), (((a)>>24) & 0xff)
 
@@ -211,8 +220,8 @@ int proc_nid_status (int vid, char *buffer)
        if (!nxi)
                return 0;
        length = sprintf(buffer,
-               "UseCnt:\t%d\n"         
-               "RefCnt:\t%d\n"         
+               "UseCnt:\t%d\n"
+               "RefCnt:\t%d\n"
                ,atomic_read(&nxi->nx_usecnt)
                ,atomic_read(&nxi->nx_refcnt)
                );
@@ -223,11 +232,11 @@ int proc_nid_status (int vid, char *buffer)
 /* here the inode helpers */
 
 
+#define fake_ino(id,nr) (((nr) & 0xFFFF) | \
+                       (((id) & 0xFFFF) << 16))
 
-#define fake_ino(id,ino) (((id)<<16)|(ino))
-
-#define        inode_vid(i)    ((i)->i_ino >> 16)
-#define        inode_type(i)   ((i)->i_ino & 0xFFFF)
+#define inode_vid(i)   (((i)->i_ino >> 16) & 0xFFFF)
+#define inode_type(i)  ((i)->i_ino & 0xFFFF)
 
 #define MAX_MULBY10    ((~0U-9)/10)
 
@@ -259,12 +268,12 @@ static int proc_vid_revalidate(struct dentry * dentry, struct nameidata *nd)
        vid = inode_vid(inode);
        switch (inode_type(inode) & PROC_VID_MASK) {
                case PROC_XID_INO:
-                       hashed = vx_info_is_hashed(vid);
+                       hashed = xid_is_hashed(vid);
                        break;
                case PROC_NID_INO:
-                       hashed = nx_info_is_hashed(vid);
+                       hashed = nid_is_hashed(vid);
                        break;
-       }       
+       }
        if (hashed)
                return 1;
        d_drop(dentry);
@@ -274,7 +283,7 @@ static int proc_vid_revalidate(struct dentry * dentry, struct nameidata *nd)
 /*
 static int proc_vid_delete_dentry(struct dentry * dentry)
 {
-        return 1;
+       return 1;
 }
 */
 
@@ -287,7 +296,6 @@ static ssize_t proc_vid_info_read(struct file * file, char * buf,
        struct inode * inode = file->f_dentry->d_inode;
        unsigned long page;
        ssize_t length;
-       ssize_t end;
        int vid;
 
        if (count > PROC_BLOCK_SIZE)
@@ -298,22 +306,11 @@ static ssize_t proc_vid_info_read(struct file * file, char * buf,
        vid = inode_vid(inode);
        length = PROC_I(inode)->op.proc_vid_read(vid, (char*)page);
 
-       if (length < 0) {
-               free_page(page);
-               return length;
-       }
-       /* Static 4kB (or whatever) block capacity */
-       if (*ppos >= length) {
-               free_page(page);
-               return 0;
-       }
-       if (count + *ppos > length)
-               count = length - *ppos;
-       end = count + *ppos;
-       copy_to_user(buf, (char *) page + *ppos, count);
-       *ppos = end;
+       if (length >= 0)
+               length = simple_read_from_buffer(buf, count, ppos,
+                       (char *)page, length);
        free_page(page);
-       return count;
+       return length;
 }
 
 
@@ -327,7 +324,7 @@ static struct file_operations proc_vid_info_file_operations = {
 };
 
 static struct dentry_operations proc_vid_dentry_operations = {
-       d_revalidate:   proc_vid_revalidate,
+       d_revalidate:   proc_vid_revalidate,
 //     d_delete:       proc_vid_delete_dentry,
 };
 
@@ -371,10 +368,10 @@ static struct dentry *proc_vid_lookup(struct inode *dir,
 
        switch (inode_type(dir)) {
                case PROC_XID_INO:
-                       p = vx_base_stuff;      
+                       p = vx_base_stuff;
                        break;
                case PROC_NID_INO:
-                       p = vn_base_stuff;      
+                       p = vn_base_stuff;
                        break;
                default:
                        goto out;
@@ -420,7 +417,7 @@ static struct dentry *proc_vid_lookup(struct inode *dir,
                case PROC_NID_STATUS:
                        PROC_I(inode)->op.proc_vid_read = proc_nid_status;
                        break;
-               
+
                default:
                        printk("procfs: impossible type (%d)",p->type);
                        iput(inode);
@@ -431,7 +428,7 @@ static struct dentry *proc_vid_lookup(struct inode *dir,
        inode->i_fop = &proc_vid_info_file_operations;
        inode->i_nlink = 1;
        inode->i_flags|=S_IMMUTABLE;
-       
+
        dentry->d_op = &proc_vid_dentry_operations;
        d_add(dentry, inode);
        error = 0;
@@ -446,7 +443,7 @@ static int proc_vid_readdir(struct file * filp,
        int i, size;
        struct inode *inode = filp->f_dentry->d_inode;
        struct vid_entry *p;
-       
+
        i = filp->f_pos;
        switch (i) {
                case 0:
@@ -468,11 +465,11 @@ static int proc_vid_readdir(struct file * filp,
                        switch (inode_type(inode)) {
                                case PROC_XID_INO:
                                        size = sizeof(vx_base_stuff);
-                                       p = vx_base_stuff + i;  
+                                       p = vx_base_stuff + i;
                                        break;
                                case PROC_NID_INO:
                                        size = sizeof(vn_base_stuff);
-                                       p = vn_base_stuff + i;  
+                                       p = vn_base_stuff + i;
                                        break;
                                default:
                                        return 1;
@@ -591,7 +588,7 @@ struct dentry *proc_virtual_lookup(struct inode *dir,
        dentry->d_op = &proc_vid_dentry_operations;
        d_add(dentry, inode);
        ret = 0;
-       
+
 out_release:
        put_vx_info(vxi);
 out:
@@ -661,7 +658,7 @@ struct dentry *proc_vnet_lookup(struct inode *dir,
        dentry->d_op = &proc_vid_dentry_operations;
        d_add(dentry, inode);
        ret = 0;
-       
+
 out_release:
        put_nx_info(nxi);
 out:
@@ -706,7 +703,7 @@ int proc_virtual_readdir(struct file * filp,
                        filp->f_pos++;
                        /* fall through */
                case 3:
-                       if (current->xid > 1) {
+                       if (vx_current_xid() > 1) {
                                ino = fake_ino(1, PROC_XID_INO);
                                if (filldir(dirent, "current", 7,
                                        filp->f_pos, ino, DT_LNK) < 0)
@@ -774,7 +771,7 @@ int proc_vnet_readdir(struct file * filp,
                        filp->f_pos++;
                        /* fall through */
                case 3:
-                       if (current->xid > 1) {
+                       if (vx_current_xid() > 1) {
                                ino = fake_ino(1, PROC_NID_INO);
                                if (filldir(dirent, "current", 7,
                                        filp->f_pos, ino, DT_LNK) < 0)
@@ -822,7 +819,7 @@ void proc_vx_init(void)
        }
        proc_virtual = ent;
 
-       ent = proc_mkdir("vnet", 0);
+       ent = proc_mkdir("virtnet", 0);
        if (ent) {
                ent->proc_fops = &proc_vnet_dir_operations;
                ent->proc_iops = &proc_vnet_dir_inode_operations;
@@ -838,9 +835,22 @@ void proc_vx_init(void)
 
 char *task_vx_info(struct task_struct *p, char *buffer)
 {
-       return buffer + sprintf(buffer,
-               "XID:\t%d\n"
-               ,p->xid);
+       struct vx_info *vxi;
+
+       buffer += sprintf (buffer,"XID:\t%d\n", vx_task_xid(p));
+       vxi = task_get_vx_info(p);
+       if (vxi && !vx_flags(VXF_INFO_HIDE, 0)) {
+               buffer += sprintf (buffer,"BCaps:\t%016llx\n"
+                       ,(unsigned long long)vxi->vx_bcaps);
+               buffer += sprintf (buffer,"CCaps:\t%016llx\n"
+                       ,(unsigned long long)vxi->vx_ccaps);
+               buffer += sprintf (buffer,"CFlags:\t%016llx\n"
+                       ,(unsigned long long)vxi->vx_flags);
+               buffer += sprintf (buffer,"CIPid:\t%d\n"
+                       ,vxi->vx_initpid);
+       }
+       put_vx_info(vxi);
+       return buffer;
 }
 
 int proc_pid_vx_info(struct task_struct *p, char *buffer)
@@ -853,9 +863,25 @@ int proc_pid_vx_info(struct task_struct *p, char *buffer)
 
 char *task_nx_info(struct task_struct *p, char *buffer)
 {
-       return buffer + sprintf(buffer,
-               "NID:\t%d\n"
-               ,p->nid);
+       struct nx_info *nxi;
+
+       buffer += sprintf (buffer,"NID:\t%d\n", nx_task_nid(p));
+       nxi = task_get_nx_info(p);
+       if (nxi && !vx_flags(VXF_INFO_HIDE, 0)) {
+               int i;
+
+               for (i=0; i<nxi->nbipv4; i++){
+                       buffer += sprintf (buffer,
+                               "V4Root[%d]:\t%d.%d.%d.%d/%d.%d.%d.%d\n", i
+                               ,NIPQUAD(nxi->ipv4[i])
+                               ,NIPQUAD(nxi->mask[i]));
+               }
+               buffer += sprintf (buffer,
+                       "V4Root[bcast]:\t%d.%d.%d.%d\n"
+                       ,NIPQUAD(nxi->v4_bcast));
+       }
+       put_nx_info(nxi);
+       return buffer;
 }
 
 int proc_pid_nx_info(struct task_struct *p, char *buffer)