diff options
Diffstat (limited to 'drivers/staging/rdma/hfi1/sysfs.c')
| -rw-r--r-- | drivers/staging/rdma/hfi1/sysfs.c | 136 |
1 files changed, 91 insertions, 45 deletions
diff --git a/drivers/staging/rdma/hfi1/sysfs.c b/drivers/staging/rdma/hfi1/sysfs.c index 1dd6727..c7f1271 100644 --- a/drivers/staging/rdma/hfi1/sysfs.c +++ b/drivers/staging/rdma/hfi1/sysfs.c @@ -1,12 +1,11 @@ /* + * Copyright(c) 2015, 2016 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * - * Copyright(c) 2015 Intel Corporation. - * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. @@ -18,8 +17,6 @@ * * BSD LICENSE * - * Copyright(c) 2015 Intel Corporation. - * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -53,7 +50,6 @@ #include "mad.h" #include "trace.h" - /* * Start of per-port congestion control structures and support code */ @@ -62,8 +58,8 @@ * Congestion control table size followed by table entries */ static ssize_t read_cc_table_bin(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t pos, size_t count) + struct bin_attribute *bin_attr, + char *buf, loff_t pos, size_t count) { int ret; struct hfi1_pportdata *ppd = @@ -84,7 +80,7 @@ static ssize_t read_cc_table_bin(struct file *filp, struct kobject *kobj, rcu_read_lock(); cc_state = get_cc_state(ppd); - if (cc_state == NULL) { + if (!cc_state) { rcu_read_unlock(); return -EINVAL; } @@ -99,10 +95,6 @@ static void port_release(struct kobject *kobj) /* nothing to do since memory is freed by hfi1_free_devdata() */ } -static struct kobj_type port_cc_ktype = { - .release = port_release, -}; - static struct bin_attribute cc_table_bin_attr = { .attr = {.name = "cc_table_bin", .mode = 0444}, .read = read_cc_table_bin, @@ -115,8 +107,8 @@ static struct bin_attribute cc_table_bin_attr = { * trigger threshold and the minimum injection rate delay. */ static ssize_t read_cc_setting_bin(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t pos, size_t count) + struct bin_attribute *bin_attr, + char *buf, loff_t pos, size_t count) { int ret; struct hfi1_pportdata *ppd = @@ -135,7 +127,7 @@ static ssize_t read_cc_setting_bin(struct file *filp, struct kobject *kobj, rcu_read_lock(); cc_state = get_cc_state(ppd); - if (cc_state == NULL) { + if (!cc_state) { rcu_read_unlock(); return -EINVAL; } @@ -151,6 +143,68 @@ static struct bin_attribute cc_setting_bin_attr = { .size = PAGE_SIZE, }; +struct hfi1_port_attr { + struct attribute attr; + ssize_t (*show)(struct hfi1_pportdata *, char *); + ssize_t (*store)(struct hfi1_pportdata *, const char *, size_t); +}; + +static ssize_t cc_prescan_show(struct hfi1_pportdata *ppd, char *buf) +{ + return sprintf(buf, "%s\n", ppd->cc_prescan ? "on" : "off"); +} + +static ssize_t cc_prescan_store(struct hfi1_pportdata *ppd, const char *buf, + size_t count) +{ + if (!memcmp(buf, "on", 2)) + ppd->cc_prescan = true; + else if (!memcmp(buf, "off", 3)) + ppd->cc_prescan = false; + + return count; +} + +static struct hfi1_port_attr cc_prescan_attr = + __ATTR(cc_prescan, 0600, cc_prescan_show, cc_prescan_store); + +static ssize_t cc_attr_show(struct kobject *kobj, struct attribute *attr, + char *buf) +{ + struct hfi1_port_attr *port_attr = + container_of(attr, struct hfi1_port_attr, attr); + struct hfi1_pportdata *ppd = + container_of(kobj, struct hfi1_pportdata, pport_cc_kobj); + + return port_attr->show(ppd, buf); +} + +static ssize_t cc_attr_store(struct kobject *kobj, struct attribute *attr, + const char *buf, size_t count) +{ + struct hfi1_port_attr *port_attr = + container_of(attr, struct hfi1_port_attr, attr); + struct hfi1_pportdata *ppd = + container_of(kobj, struct hfi1_pportdata, pport_cc_kobj); + + return port_attr->store(ppd, buf, count); +} + +static const struct sysfs_ops port_cc_sysfs_ops = { + .show = cc_attr_show, + .store = cc_attr_store +}; + +static struct attribute *port_cc_default_attributes[] = { + &cc_prescan_attr.attr +}; + +static struct kobj_type port_cc_ktype = { + .release = port_release, + .sysfs_ops = &port_cc_sysfs_ops, + .default_attrs = port_cc_default_attributes +}; + /* Start sc2vl */ #define HFI1_SC2VL_ATTR(N) \ static struct hfi1_sc2vl_attr hfi1_sc2vl_attr_##N = { \ @@ -196,7 +250,6 @@ HFI1_SC2VL_ATTR(29); HFI1_SC2VL_ATTR(30); HFI1_SC2VL_ATTR(31); - static struct attribute *sc2vl_default_attributes[] = { &hfi1_sc2vl_attr_0.attr, &hfi1_sc2vl_attr_1.attr, @@ -302,7 +355,6 @@ HFI1_SL2SC_ATTR(29); HFI1_SL2SC_ATTR(30); HFI1_SL2SC_ATTR(31); - static struct attribute *sl2sc_default_attributes[] = { &hfi1_sl2sc_attr_0.attr, &hfi1_sl2sc_attr_1.attr, @@ -435,7 +487,6 @@ static struct kobj_type hfi1_vl2mtu_ktype = { .default_attrs = vl2mtu_default_attributes }; - /* end of per-port file structures and support code */ /* @@ -446,7 +497,7 @@ static ssize_t show_rev(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = - container_of(device, struct hfi1_ibdev, ibdev.dev); + container_of(device, struct hfi1_ibdev, rdi.ibdev.dev); return sprintf(buf, "%x\n", dd_from_dev(dev)->minrev); } @@ -455,7 +506,7 @@ static ssize_t show_hfi(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = - container_of(device, struct hfi1_ibdev, ibdev.dev); + container_of(device, struct hfi1_ibdev, rdi.ibdev.dev); struct hfi1_devdata *dd = dd_from_dev(dev); int ret; @@ -470,19 +521,18 @@ static ssize_t show_boardversion(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = - container_of(device, struct hfi1_ibdev, ibdev.dev); + container_of(device, struct hfi1_ibdev, rdi.ibdev.dev); struct hfi1_devdata *dd = dd_from_dev(dev); /* The string printed here is already newline-terminated. */ return scnprintf(buf, PAGE_SIZE, "%s", dd->boardversion); } - static ssize_t show_nctxts(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = - container_of(device, struct hfi1_ibdev, ibdev.dev); + container_of(device, struct hfi1_ibdev, rdi.ibdev.dev); struct hfi1_devdata *dd = dd_from_dev(dev); /* @@ -497,10 +547,10 @@ static ssize_t show_nctxts(struct device *device, } static ssize_t show_nfreectxts(struct device *device, - struct device_attribute *attr, char *buf) + struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = - container_of(device, struct hfi1_ibdev, ibdev.dev); + container_of(device, struct hfi1_ibdev, rdi.ibdev.dev); struct hfi1_devdata *dd = dd_from_dev(dev); /* Return the number of free user ports (contexts) available. */ @@ -511,11 +561,10 @@ static ssize_t show_serial(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = - container_of(device, struct hfi1_ibdev, ibdev.dev); + container_of(device, struct hfi1_ibdev, rdi.ibdev.dev); struct hfi1_devdata *dd = dd_from_dev(dev); return scnprintf(buf, PAGE_SIZE, "%s", dd->serial); - } static ssize_t store_chip_reset(struct device *device, @@ -523,7 +572,7 @@ static ssize_t store_chip_reset(struct device *device, size_t count) { struct hfi1_ibdev *dev = - container_of(device, struct hfi1_ibdev, ibdev.dev); + container_of(device, struct hfi1_ibdev, rdi.ibdev.dev); struct hfi1_devdata *dd = dd_from_dev(dev); int ret; @@ -552,7 +601,7 @@ static ssize_t show_tempsense(struct device *device, struct device_attribute *attr, char *buf) { struct hfi1_ibdev *dev = - container_of(device, struct hfi1_ibdev, ibdev.dev); + container_of(device, struct hfi1_ibdev, rdi.ibdev.dev); struct hfi1_devdata *dd = dd_from_dev(dev); struct hfi1_temp temp; int ret; @@ -608,8 +657,8 @@ int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num, if (!port_num || port_num > dd->num_pports) { dd_dev_err(dd, - "Skipping infiniband class with invalid port %u\n", - port_num); + "Skipping infiniband class with invalid port %u\n", + port_num); return -ENODEV; } ppd = &dd->pport[port_num - 1]; @@ -644,39 +693,36 @@ int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num, } kobject_uevent(&ppd->vl2mtu_kobj, KOBJ_ADD); - ret = kobject_init_and_add(&ppd->pport_cc_kobj, &port_cc_ktype, kobj, "CCMgtA"); if (ret) { dd_dev_err(dd, - "Skipping Congestion Control sysfs info, (err %d) port %u\n", - ret, port_num); + "Skipping Congestion Control sysfs info, (err %d) port %u\n", + ret, port_num); goto bail_vl2mtu; } kobject_uevent(&ppd->pport_cc_kobj, KOBJ_ADD); - ret = sysfs_create_bin_file(&ppd->pport_cc_kobj, - &cc_setting_bin_attr); + ret = sysfs_create_bin_file(&ppd->pport_cc_kobj, &cc_setting_bin_attr); if (ret) { dd_dev_err(dd, - "Skipping Congestion Control setting sysfs info, (err %d) port %u\n", - ret, port_num); + "Skipping Congestion Control setting sysfs info, (err %d) port %u\n", + ret, port_num); goto bail_cc; } - ret = sysfs_create_bin_file(&ppd->pport_cc_kobj, - &cc_table_bin_attr); + ret = sysfs_create_bin_file(&ppd->pport_cc_kobj, &cc_table_bin_attr); if (ret) { dd_dev_err(dd, - "Skipping Congestion Control table sysfs info, (err %d) port %u\n", - ret, port_num); + "Skipping Congestion Control table sysfs info, (err %d) port %u\n", + ret, port_num); goto bail_cc_entry_bin; } dd_dev_info(dd, - "IB%u: Congestion Control Agent enabled for port %d\n", - dd->unit, port_num); + "IB%u: Congestion Control Agent enabled for port %d\n", + dd->unit, port_num); return 0; @@ -700,7 +746,7 @@ bail: */ int hfi1_verbs_register_sysfs(struct hfi1_devdata *dd) { - struct ib_device *dev = &dd->verbs_dev.ibdev; + struct ib_device *dev = &dd->verbs_dev.rdi.ibdev; int i, ret; for (i = 0; i < ARRAY_SIZE(hfi1_attributes); ++i) { |