From fd88b31a1d49f08911ed291e46e5bc6e8afabdfa Mon Sep 17 00:00:00 2001 From: Hariprasad Shenai Date: Fri, 7 Nov 2014 09:35:23 +0530 Subject: cxgb4: Add cxgb4_debugfs.c, move all debugfs code to new file Signed-off-by: Hariprasad Shenai Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 97 ++----------------------- 1 file changed, 5 insertions(+), 92 deletions(-) (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c') diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 8520d5529df8..172f68b6d592 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -68,6 +68,7 @@ #include "t4_msg.h" #include "t4fw_api.h" #include "cxgb4_dcb.h" +#include "cxgb4_debugfs.h" #include "l2t.h" #include <../drivers/net/bonding/bonding.h> @@ -1287,7 +1288,7 @@ void *t4_alloc_mem(size_t size) /* * Free memory allocated through alloc_mem(). */ -static void t4_free_mem(void *addr) +void t4_free_mem(void *addr) { if (is_vmalloc_addr(addr)) vfree(addr); @@ -3127,102 +3128,14 @@ static const struct ethtool_ops cxgb_ethtool_ops = { .flash_device = set_flash, }; -/* - * debugfs support - */ -static ssize_t mem_read(struct file *file, char __user *buf, size_t count, - loff_t *ppos) -{ - loff_t pos = *ppos; - loff_t avail = file_inode(file)->i_size; - unsigned int mem = (uintptr_t)file->private_data & 3; - struct adapter *adap = file->private_data - mem; - __be32 *data; - int ret; - - if (pos < 0) - return -EINVAL; - if (pos >= avail) - return 0; - if (count > avail - pos) - count = avail - pos; - - data = t4_alloc_mem(count); - if (!data) - return -ENOMEM; - - spin_lock(&adap->win0_lock); - ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ); - spin_unlock(&adap->win0_lock); - if (ret) { - t4_free_mem(data); - return ret; - } - ret = copy_to_user(buf, data, count); - - t4_free_mem(data); - if (ret) - return -EFAULT; - - *ppos = pos + count; - return count; -} - -static const struct file_operations mem_debugfs_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = mem_read, - .llseek = default_llseek, -}; - -static void add_debugfs_mem(struct adapter *adap, const char *name, - unsigned int idx, unsigned int size_mb) -{ - struct dentry *de; - - de = debugfs_create_file(name, S_IRUSR, adap->debugfs_root, - (void *)adap + idx, &mem_debugfs_fops); - if (de && de->d_inode) - de->d_inode->i_size = size_mb << 20; -} - static int setup_debugfs(struct adapter *adap) { - int i; - u32 size; - if (IS_ERR_OR_NULL(adap->debugfs_root)) return -1; - i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE); - if (i & EDRAM0_ENABLE) { - size = t4_read_reg(adap, MA_EDRAM0_BAR); - add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM_SIZE_GET(size)); - } - if (i & EDRAM1_ENABLE) { - size = t4_read_reg(adap, MA_EDRAM1_BAR); - add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM_SIZE_GET(size)); - } - if (is_t4(adap->params.chip)) { - size = t4_read_reg(adap, MA_EXT_MEMORY_BAR); - if (i & EXT_MEM_ENABLE) - add_debugfs_mem(adap, "mc", MEM_MC, - EXT_MEM_SIZE_GET(size)); - } else { - if (i & EXT_MEM_ENABLE) { - size = t4_read_reg(adap, MA_EXT_MEMORY_BAR); - add_debugfs_mem(adap, "mc0", MEM_MC0, - EXT_MEM_SIZE_GET(size)); - } - if (i & EXT_MEM1_ENABLE) { - size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR); - add_debugfs_mem(adap, "mc1", MEM_MC1, - EXT_MEM_SIZE_GET(size)); - } - } - if (adap->l2t) - debugfs_create_file("l2t", S_IRUSR, adap->debugfs_root, adap, - &t4_l2t_fops); +#ifdef CONFIG_DEBUG_FS + t4_setup_debugfs(adap); +#endif return 0; } -- cgit v1.2.3-59-g8ed1b