diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_sysfs_fm.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_sysfs_fm.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_sysfs_fm.c b/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_sysfs_fm.c index dd3bc3e..3545634 100644 --- a/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_sysfs_fm.c +++ b/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_sysfs_fm.c @@ -44,6 +44,7 @@ #endif #include "../../fman/Peripherals/FM/fm.h" +#include <linux/delay.h> static int fm_get_counter(void *h_fm, e_FmCounters cnt_e, uint32_t *cnt_val); @@ -225,6 +226,46 @@ static const struct sysfs_stats_t fm_sysfs_stats[] = { }; +static ssize_t show_fm_risc_load(struct device *dev, + struct device_attribute *attr, char *buf) +{ + t_LnxWrpFmDev *p_wrp_fm_dev = NULL; + unsigned long flags; + int m =0; + int err =0; + unsigned n = 0; + t_FmCtrlMon util; + uint8_t i =0 ; + + if (attr == NULL || buf == NULL || dev == NULL) + return -EINVAL; + + p_wrp_fm_dev = (t_LnxWrpFmDev *) dev_get_drvdata(dev); + if (WARN_ON(p_wrp_fm_dev == NULL)) + return -EINVAL; + + if (!p_wrp_fm_dev->active || !p_wrp_fm_dev->h_Dev) + return -EIO; + + local_irq_save(flags); + + /* Calculate risc load */ + FM_CtrlMonStart(p_wrp_fm_dev->h_Dev); + msleep(1000); + FM_CtrlMonStop(p_wrp_fm_dev->h_Dev); + + for (i = 0; i < FM_NUM_OF_CTRL; i++) { + err |= FM_CtrlMonGetCounters(p_wrp_fm_dev->h_Dev, i, &util); + m = snprintf(&buf[n],PAGE_SIZE,"\tRisc%u: util-%u%%, efficiency-%u%%\n", + i, util.percentCnt[0], util.percentCnt[1]); + n=m+n; + } + + local_irq_restore(flags); + + return n; +} + /* Fm stats and regs dumps via sysfs */ static ssize_t show_fm_dma_stats(struct device *dev, struct device_attribute *attr, char *buf) @@ -598,6 +639,7 @@ static ssize_t show_fm_schemes(struct device *dev, /* FM */ static DEVICE_ATTR(enq_total_frame, S_IRUGO, show_fm_stats, NULL); static DEVICE_ATTR(deq_total_frame, S_IRUGO, show_fm_stats, NULL); +static DEVICE_ATTR(fm_risc_load_val, S_IRUGO, show_fm_risc_load, NULL); static DEVICE_ATTR(deq_0, S_IRUGO, show_fm_stats, NULL); static DEVICE_ATTR(deq_1, S_IRUGO, show_fm_stats, NULL); static DEVICE_ATTR(deq_2, S_IRUGO, show_fm_stats, NULL); @@ -1211,6 +1253,7 @@ int fm_sysfs_create(struct device *dev) /* store to remove them when module is disabled */ p_wrp_fm_dev->dev_attr_regs = &dev_attr_fm_regs; + p_wrp_fm_dev->dev_attr_risc_load = &dev_attr_fm_risc_load_val; p_wrp_fm_dev->dev_fm_fpm_attr_regs = &dev_attr_fm_fpm_regs; p_wrp_fm_dev->dev_fm_kg_attr_regs = &dev_attr_fm_kg_regs; p_wrp_fm_dev->dev_fm_kg_pe_attr_regs = &dev_attr_fm_kg_pe_regs; @@ -1239,6 +1282,9 @@ int fm_sysfs_create(struct device *dev) if (device_create_file(dev, &dev_attr_fm_regs) != 0) return -EIO; + if (device_create_file(dev, &dev_attr_fm_risc_load_val) != 0) + return -EIO; + if (device_create_file(dev, &dev_attr_fm_fpm_regs) != 0) return -EIO; |