Return-path: Received: from wolverine02.qualcomm.com ([199.106.114.251]:14532 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755611AbaFPQi3 (ORCPT ); Mon, 16 Jun 2014 12:38:29 -0400 From: Vladimir Kondratiev To: "John W . Linville" CC: Vladimir Kondratiev , , Subject: [PATCH 10/25] wil6210: debugfs interface to send raw WMI command Date: Mon, 16 Jun 2014 19:37:08 +0300 Message-ID: <1402936643-31819-11-git-send-email-qca_vkondrat@qca.qualcomm.com> (sfid-20140616_183834_912990_8E76EE5A) In-Reply-To: <1402936643-31819-1-git-send-email-qca_vkondrat@qca.qualcomm.com> References: <1402936643-31819-1-git-send-email-qca_vkondrat@qca.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: Debug aid Signed-off-by: Vladimir Kondratiev --- drivers/net/wireless/ath/wil6210/debugfs.c | 41 ++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 3c3abb6..8767f4c 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -513,6 +513,46 @@ static const struct file_operations fops_txmgmt = { .open = simple_open, }; +/* Write WMI command (w/o mbox header) to this file to send it + * WMI starts from wil6210_mbox_hdr_wmi header + */ +static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf, + size_t len, loff_t *ppos) +{ + struct wil6210_priv *wil = file->private_data; + struct wil6210_mbox_hdr_wmi *wmi; + void *cmd; + int cmdlen = len - sizeof(struct wil6210_mbox_hdr_wmi); + u16 cmdid; + int rc, rc1; + + if (cmdlen <= 0) + return -EINVAL; + + wmi = kmalloc(len, GFP_KERNEL); + if (!wmi) + return -ENOMEM; + + rc = simple_write_to_buffer(wmi, len, ppos, buf, len); + if (rc < 0) + return rc; + + cmd = &wmi[1]; + cmdid = le16_to_cpu(wmi->id); + + rc1 = wmi_send(wil, cmdid, cmd, cmdlen); + kfree(wmi); + + wil_info(wil, "%s(0x%04x[%d]) -> %d\n", __func__, cmdid, cmdlen, rc1); + + return rc; +} + +static const struct file_operations fops_wmi = { + .write = wil_write_file_wmi, + .open = simple_open, +}; + static void wil_seq_hexdump(struct seq_file *s, void *p, int len, const char *prefix) { @@ -838,6 +878,7 @@ int wil6210_debugfs_init(struct wil6210_priv *wil) debugfs_create_file("reset", S_IWUSR, dbg, wil, &fops_reset); debugfs_create_file("rxon", S_IWUSR, dbg, wil, &fops_rxon); debugfs_create_file("tx_mgmt", S_IWUSR, dbg, wil, &fops_txmgmt); + debugfs_create_file("wmi_send", S_IWUSR, dbg, wil, &fops_wmi); debugfs_create_file("temp", S_IRUGO, dbg, wil, &fops_temp); wil->rgf_blob.data = (void * __force)wil->csr + 0; -- 1.9.1