IB/ipath: Remove unneeded code for ipathfs
The ipathfs file system is used to export binary data verses ASCII data such as through /sys. This patch removes some unneeded files since the data is available through other /sys files. Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Ralph Campbell
Roland Dreier
Родитель
9bec399231
Коммит
1793b4771d
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@ -130,175 +130,6 @@ static const struct file_operations atomic_counters_ops = {
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.read = atomic_counters_read,
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};
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static ssize_t atomic_node_info_read(struct file *file, char __user *buf,
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size_t count, loff_t *ppos)
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{
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u32 nodeinfo[10];
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struct ipath_devdata *dd;
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u64 guid;
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dd = file->f_path.dentry->d_inode->i_private;
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guid = be64_to_cpu(dd->ipath_guid);
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nodeinfo[0] = /* BaseVersion is SMA */
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/* ClassVersion is SMA */
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(1 << 8) /* NodeType */
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| (1 << 0); /* NumPorts */
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nodeinfo[1] = (u32) (guid >> 32);
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nodeinfo[2] = (u32) (guid & 0xffffffff);
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/* PortGUID == SystemImageGUID for us */
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nodeinfo[3] = nodeinfo[1];
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/* PortGUID == SystemImageGUID for us */
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nodeinfo[4] = nodeinfo[2];
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/* PortGUID == NodeGUID for us */
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nodeinfo[5] = nodeinfo[3];
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/* PortGUID == NodeGUID for us */
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nodeinfo[6] = nodeinfo[4];
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nodeinfo[7] = (4 << 16) /* we support 4 pkeys */
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| (dd->ipath_deviceid << 0);
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/* our chip version as 16 bits major, 16 bits minor */
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nodeinfo[8] = dd->ipath_minrev | (dd->ipath_majrev << 16);
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nodeinfo[9] = (dd->ipath_unit << 24) | (dd->ipath_vendorid << 0);
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return simple_read_from_buffer(buf, count, ppos, nodeinfo,
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sizeof nodeinfo);
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}
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static const struct file_operations atomic_node_info_ops = {
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.read = atomic_node_info_read,
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};
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static ssize_t atomic_port_info_read(struct file *file, char __user *buf,
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size_t count, loff_t *ppos)
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{
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u32 portinfo[13];
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u32 tmp, tmp2;
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struct ipath_devdata *dd;
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dd = file->f_path.dentry->d_inode->i_private;
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/* so we only initialize non-zero fields. */
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memset(portinfo, 0, sizeof portinfo);
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/*
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* Notimpl yet M_Key (64)
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* Notimpl yet GID (64)
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*/
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portinfo[4] = (dd->ipath_lid << 16);
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/*
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* Notimpl yet SMLID.
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* CapabilityMask is 0, we don't support any of these
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* DiagCode is 0; we don't store any diag info for now Notimpl yet
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* M_KeyLeasePeriod (we don't support M_Key)
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*/
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/* LocalPortNum is whichever port number they ask for */
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portinfo[7] = (dd->ipath_unit << 24)
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/* LinkWidthEnabled */
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| (2 << 16)
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/* LinkWidthSupported (really 2, but not IB valid) */
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| (3 << 8)
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/* LinkWidthActive */
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| (2 << 0);
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tmp = dd->ipath_lastibcstat & IPATH_IBSTATE_MASK;
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tmp2 = 5;
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if (tmp == IPATH_IBSTATE_INIT)
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tmp = 2;
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else if (tmp == IPATH_IBSTATE_ARM)
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tmp = 3;
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else if (tmp == IPATH_IBSTATE_ACTIVE)
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tmp = 4;
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else {
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tmp = 0; /* down */
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tmp2 = tmp & 0xf;
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}
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portinfo[8] = (1 << 28) /* LinkSpeedSupported */
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| (tmp << 24) /* PortState */
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| (tmp2 << 20) /* PortPhysicalState */
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| (2 << 16)
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/* LinkDownDefaultState */
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/* M_KeyProtectBits == 0 */
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/* NotImpl yet LMC == 0 (we can support all values) */
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| (1 << 4) /* LinkSpeedActive */
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| (1 << 0); /* LinkSpeedEnabled */
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switch (dd->ipath_ibmtu) {
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case 4096:
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tmp = 5;
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break;
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case 2048:
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tmp = 4;
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break;
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case 1024:
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tmp = 3;
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break;
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case 512:
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tmp = 2;
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break;
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case 256:
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tmp = 1;
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break;
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default: /* oops, something is wrong */
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ipath_dbg("Problem, ipath_ibmtu 0x%x not a valid IB MTU, "
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"treat as 2048\n", dd->ipath_ibmtu);
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tmp = 4;
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break;
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}
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portinfo[9] = (tmp << 28)
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/* NeighborMTU */
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/* Notimpl MasterSMSL */
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| (1 << 20)
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/* VLCap */
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/* Notimpl InitType (actually, an SMA decision) */
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/* VLHighLimit is 0 (only one VL) */
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; /* VLArbitrationHighCap is 0 (only one VL) */
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/*
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* Note: the chips support a maximum MTU of 4096, but the driver
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* hasn't implemented this feature yet, so set the maximum
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* to 2048.
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*/
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portinfo[10] = /* VLArbitrationLowCap is 0 (only one VL) */
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/* InitTypeReply is SMA decision */
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(4 << 16) /* MTUCap 2048 */
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| (7 << 13) /* VLStallCount */
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| (0x1f << 8) /* HOQLife */
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| (1 << 4)
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/* OperationalVLs 0 */
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/* PartitionEnforcementInbound */
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/* PartitionEnforcementOutbound not enforced */
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/* FilterRawinbound not enforced */
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; /* FilterRawOutbound not enforced */
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/* M_KeyViolations are not counted by hardware, SMA can count */
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tmp = ipath_read_creg32(dd, dd->ipath_cregs->cr_errpkey);
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/* P_KeyViolations are counted by hardware. */
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portinfo[11] = ((tmp & 0xffff) << 0);
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portinfo[12] =
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/* Q_KeyViolations are not counted by hardware */
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(1 << 8)
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/* GUIDCap */
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/* SubnetTimeOut handled by SMA */
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/* RespTimeValue handled by SMA */
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;
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/* LocalPhyErrors are programmed to max */
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portinfo[12] |= (0xf << 20)
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| (0xf << 16) /* OverRunErrors are programmed to max */
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;
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return simple_read_from_buffer(buf, count, ppos, portinfo,
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sizeof portinfo);
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}
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static const struct file_operations atomic_port_info_ops = {
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.read = atomic_port_info_read,
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};
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static ssize_t flash_read(struct file *file, char __user *buf,
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size_t count, loff_t *ppos)
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{
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@ -427,22 +258,6 @@ static int create_device_files(struct super_block *sb,
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goto bail;
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}
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ret = create_file("node_info", S_IFREG|S_IRUGO, dir, &tmp,
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&atomic_node_info_ops, dd);
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if (ret) {
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printk(KERN_ERR "create_file(%s/node_info) "
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"failed: %d\n", unit, ret);
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goto bail;
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}
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ret = create_file("port_info", S_IFREG|S_IRUGO, dir, &tmp,
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&atomic_port_info_ops, dd);
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if (ret) {
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printk(KERN_ERR "create_file(%s/port_info) "
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"failed: %d\n", unit, ret);
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goto bail;
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}
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ret = create_file("flash", S_IFREG|S_IWUSR|S_IRUGO, dir, &tmp,
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&flash_ops, dd);
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if (ret) {
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@ -508,8 +323,6 @@ static int remove_device_files(struct super_block *sb,
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}
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remove_file(dir, "flash");
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remove_file(dir, "port_info");
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remove_file(dir, "node_info");
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remove_file(dir, "atomic_counters");
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d_delete(dir);
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ret = simple_rmdir(root->d_inode, dir);
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