IB/ipath: Remove unneeded code for ipathfs (1793b477) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/infiniband/hw/ipath/ipath_fs.c

+0 −187

Original line number	Diff line number	Diff line
		@@ -130,175 +130,6 @@ static const struct file_operations atomic_counters_ops = {
		.read = atomic_counters_read,
		};

		static ssize_t atomic_node_info_read(struct file file, char __user buf,
		size_t count, loff_t *ppos)
		{
		u32 nodeinfo[10];
		struct ipath_devdata *dd;
		u64 guid;

		dd = file->f_path.dentry->d_inode->i_private;

		guid = be64_to_cpu(dd->ipath_guid);

		nodeinfo[0] = /* BaseVersion is SMA */
		/* ClassVersion is SMA */
		(1 << 8) /* NodeType */
		\| (1 << 0); /* NumPorts */
		nodeinfo[1] = (u32) (guid >> 32);
		nodeinfo[2] = (u32) (guid & 0xffffffff);
		/* PortGUID == SystemImageGUID for us */
		nodeinfo[3] = nodeinfo[1];
		/* PortGUID == SystemImageGUID for us */
		nodeinfo[4] = nodeinfo[2];
		/* PortGUID == NodeGUID for us */
		nodeinfo[5] = nodeinfo[3];
		/* PortGUID == NodeGUID for us */
		nodeinfo[6] = nodeinfo[4];
		nodeinfo[7] = (4 << 16) /* we support 4 pkeys */
		\| (dd->ipath_deviceid << 0);
		/* our chip version as 16 bits major, 16 bits minor */
		nodeinfo[8] = dd->ipath_minrev \| (dd->ipath_majrev << 16);
		nodeinfo[9] = (dd->ipath_unit << 24) \| (dd->ipath_vendorid << 0);

		return simple_read_from_buffer(buf, count, ppos, nodeinfo,
		sizeof nodeinfo);
		}

		static const struct file_operations atomic_node_info_ops = {
		.read = atomic_node_info_read,
		};

		static ssize_t atomic_port_info_read(struct file file, char __user buf,
		size_t count, loff_t *ppos)
		{
		u32 portinfo[13];
		u32 tmp, tmp2;
		struct ipath_devdata *dd;

		dd = file->f_path.dentry->d_inode->i_private;

		/* so we only initialize non-zero fields. */
		memset(portinfo, 0, sizeof portinfo);

		/*
		* Notimpl yet M_Key (64)
		* Notimpl yet GID (64)
		*/

		portinfo[4] = (dd->ipath_lid << 16);

		/*
		* Notimpl yet SMLID.
		* CapabilityMask is 0, we don't support any of these
		* DiagCode is 0; we don't store any diag info for now Notimpl yet
		* M_KeyLeasePeriod (we don't support M_Key)
		*/

		/* LocalPortNum is whichever port number they ask for */
		portinfo[7] = (dd->ipath_unit << 24)
		/* LinkWidthEnabled */
		\| (2 << 16)
		/* LinkWidthSupported (really 2, but not IB valid) */
		\| (3 << 8)
		/* LinkWidthActive */
		\| (2 << 0);
		tmp = dd->ipath_lastibcstat & IPATH_IBSTATE_MASK;
		tmp2 = 5;
		if (tmp == IPATH_IBSTATE_INIT)
		tmp = 2;
		else if (tmp == IPATH_IBSTATE_ARM)
		tmp = 3;
		else if (tmp == IPATH_IBSTATE_ACTIVE)
		tmp = 4;
		else {
		tmp = 0; /* down */
		tmp2 = tmp & 0xf;
		}

		portinfo[8] = (1 << 28) /* LinkSpeedSupported */
		\| (tmp << 24) /* PortState */
		\| (tmp2 << 20) /* PortPhysicalState */
		\| (2 << 16)

		/* LinkDownDefaultState */
		/* M_KeyProtectBits == 0 */
		/* NotImpl yet LMC == 0 (we can support all values) */
		\| (1 << 4) /* LinkSpeedActive */
		\| (1 << 0); /* LinkSpeedEnabled */
		switch (dd->ipath_ibmtu) {
		case 4096:
		tmp = 5;
		break;
		case 2048:
		tmp = 4;
		break;
		case 1024:
		tmp = 3;
		break;
		case 512:
		tmp = 2;
		break;
		case 256:
		tmp = 1;
		break;
		default: /* oops, something is wrong */
		ipath_dbg("Problem, ipath_ibmtu 0x%x not a valid IB MTU, "
		"treat as 2048\n", dd->ipath_ibmtu);
		tmp = 4;
		break;
		}
		portinfo[9] = (tmp << 28)
		/* NeighborMTU */
		/* Notimpl MasterSMSL */
		\| (1 << 20)

		/* VLCap */
		/* Notimpl InitType (actually, an SMA decision) */
		/* VLHighLimit is 0 (only one VL) */
		; /* VLArbitrationHighCap is 0 (only one VL) */
		/*
		* Note: the chips support a maximum MTU of 4096, but the driver
		* hasn't implemented this feature yet, so set the maximum
		* to 2048.
		*/
		portinfo[10] = /* VLArbitrationLowCap is 0 (only one VL) */
		/* InitTypeReply is SMA decision */
		(4 << 16) /* MTUCap 2048 */
		\| (7 << 13) /* VLStallCount */
		\| (0x1f << 8) /* HOQLife */
		\| (1 << 4)

		/* OperationalVLs 0 */
		/* PartitionEnforcementInbound */
		/* PartitionEnforcementOutbound not enforced */
		/* FilterRawinbound not enforced */
		; /* FilterRawOutbound not enforced */
		/* M_KeyViolations are not counted by hardware, SMA can count */
		tmp = ipath_read_creg32(dd, dd->ipath_cregs->cr_errpkey);
		/* P_KeyViolations are counted by hardware. */
		portinfo[11] = ((tmp & 0xffff) << 0);
		portinfo[12] =
		/* Q_KeyViolations are not counted by hardware */
		(1 << 8)

		/* GUIDCap */
		/* SubnetTimeOut handled by SMA */
		/* RespTimeValue handled by SMA */
		;
		/* LocalPhyErrors are programmed to max */
		portinfo[12] \|= (0xf << 20)
		\| (0xf << 16) /* OverRunErrors are programmed to max */
		;

		return simple_read_from_buffer(buf, count, ppos, portinfo,
		sizeof portinfo);
		}

		static const struct file_operations atomic_port_info_ops = {
		.read = atomic_port_info_read,
		};

		static ssize_t flash_read(struct file file, char __user buf,
		size_t count, loff_t *ppos)
		{
		@@ -427,22 +258,6 @@ static int create_device_files(struct super_block *sb,
		goto bail;
		}

		ret = create_file("node_info", S_IFREG\|S_IRUGO, dir, &tmp,
		&atomic_node_info_ops, dd);
		if (ret) {
		printk(KERN_ERR "create_file(%s/node_info) "
		"failed: %d\n", unit, ret);
		goto bail;
		}

		ret = create_file("port_info", S_IFREG\|S_IRUGO, dir, &tmp,
		&atomic_port_info_ops, dd);
		if (ret) {
		printk(KERN_ERR "create_file(%s/port_info) "
		"failed: %d\n", unit, ret);
		goto bail;
		}

		ret = create_file("flash", S_IFREG\|S_IWUSR\|S_IRUGO, dir, &tmp,
		&flash_ops, dd);
		if (ret) {
		@@ -508,8 +323,6 @@ static int remove_device_files(struct super_block *sb,
		}

		remove_file(dir, "flash");
		remove_file(dir, "port_info");
		remove_file(dir, "node_info");
		remove_file(dir, "atomic_counters");
		d_delete(dir);
		ret = simple_rmdir(root->d_inode, dir);