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Commit e4c2abe2 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
Browse files

sky2: move VPD display into debug interface 



The VPD stuff has more data and isn't generally that useful, so move
it into the existing debugfs display and use the new PCI VPD
accessor routines.

Signed-off-by: default avatarStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 454e6cb6

drivers/net/sky2.c

+87 −68
Original line number Diff line number Diff line
@@ -3905,6 +3905,86 @@ static const struct ethtool_ops sky2_ethtool_ops = { 


static struct dentry *sky2_debug;





/*

 * Read and parse the first part of Vital Product Data

 */

#define VPD_SIZE	128

#define VPD_MAGIC	0x82



static const struct vpd_tag {

	char tag[2];

	char *label;

} vpd_tags[] = {

	{ "PN",	"Part Number" },

	{ "EC", "Engineering Level" },

	{ "MN", "Manufacturer" },

	{ "SN", "Serial Number" },

	{ "YA", "Asset Tag" },

	{ "VL", "First Error Log Message" },

	{ "VF", "Second Error Log Message" },

	{ "VB", "Boot Agent ROM Configuration" },

	{ "VE", "EFI UNDI Configuration" },

};



static void sky2_show_vpd(struct seq_file *seq, struct sky2_hw *hw)

{

	size_t vpd_size;

	loff_t offs;

	u8 len;

	unsigned char *buf;

	u16 reg2;



	reg2 = sky2_pci_read16(hw, PCI_DEV_REG2);

	vpd_size = 1 << ( ((reg2 & PCI_VPD_ROM_SZ) >> 14) + 8);



	seq_printf(seq, "%s Product Data\n", pci_name(hw->pdev));

	buf = kmalloc(vpd_size, GFP_KERNEL);

	if (!buf) {

		seq_puts(seq, "no memory!\n");

		return;

	}



	if (pci_read_vpd(hw->pdev, 0, vpd_size, buf) < 0) {

		seq_puts(seq, "VPD read failed\n");

		goto out;

	}



	if (buf[0] != VPD_MAGIC) {

		seq_printf(seq, "VPD tag mismatch: %#x\n", buf[0]);

		goto out;

	}

	len = buf[1];

	if (len == 0 || len > vpd_size - 4) {

		seq_printf(seq, "Invalid id length: %d\n", len);

		goto out;

	}



	seq_printf(seq, "%.*s\n", len, buf + 3);

	offs = len + 3;



	while (offs < vpd_size - 4) {

		int i;



		if (!memcmp("RW", buf + offs, 2))	/* end marker */

			break;

		len = buf[offs + 2];

		if (offs + len + 3 >= vpd_size)

			break;



		for (i = 0; i < ARRAY_SIZE(vpd_tags); i++) {

			if (!memcmp(vpd_tags[i].tag, buf + offs, 2)) {

				seq_printf(seq, " %s: %.*s\n",

					   vpd_tags[i].label, len, buf + offs + 3);

				break;

			}

		}

		offs += len + 3;

	}

out:

	kfree(buf);

}



static int sky2_debug_show(struct seq_file *seq, void *v)

{

	struct net_device *dev = seq->private;
@@ -3914,14 +3994,18 @@ static int sky2_debug_show(struct seq_file *seq, void *v) 
	unsigned idx, last;

	int sop;



	if (!netif_running(dev))

		return -ENETDOWN;

	sky2_show_vpd(seq, hw);



	seq_printf(seq, "IRQ src=%x mask=%x control=%x\n",

	seq_printf(seq, "\nIRQ src=%x mask=%x control=%x\n",

		   sky2_read32(hw, B0_ISRC),

		   sky2_read32(hw, B0_IMSK),

		   sky2_read32(hw, B0_Y2_SP_ICR));



	if (!netif_running(dev)) {

		seq_printf(seq, "network not running\n");

		return 0;

	}



	napi_disable(&hw->napi);

	last = sky2_read16(hw, STAT_PUT_IDX);
@@ -4245,69 +4329,6 @@ static int __devinit sky2_test_msi(struct sky2_hw *hw) 
	return err;

}



/*

 * Read and parse the first part of Vital Product Data

 */

#define VPD_SIZE	128

#define VPD_MAGIC	0x82



static void __devinit sky2_vpd_info(struct sky2_hw *hw)

{

	int cap = pci_find_capability(hw->pdev, PCI_CAP_ID_VPD);

	const u8 *p;

	u8 *vpd_buf = NULL;

	u16 len;

	static struct vpd_tag {

		char tag[2];

		char *label;

	} vpd_tags[] = {

		{ "PN",	"Part Number" },

		{ "EC", "Engineering Level" },

		{ "MN", "Manufacturer" },

	};



	if (!cap)

		goto out;



	vpd_buf = kmalloc(VPD_SIZE, GFP_KERNEL);

	if (!vpd_buf)

		goto out;



	if (sky2_vpd_read(hw, cap, vpd_buf, 0, VPD_SIZE))

		goto out;



	if (vpd_buf[0] != VPD_MAGIC)

		goto out;

	len = vpd_buf[1];

	if (len == 0 || len > VPD_SIZE - 4)

		goto out;

	p = vpd_buf + 3;

	dev_info(&hw->pdev->dev, "%.*s\n", len, p);

	p += len;



	while (p < vpd_buf + VPD_SIZE - 4) {

		int i;



		if (!memcmp("RW", p, 2))	/* end marker */

			break;



		len = p[2];

		if (len > (p - vpd_buf) - 4)

			break;



		for (i = 0; i < ARRAY_SIZE(vpd_tags); i++) {

			if (!memcmp(vpd_tags[i].tag, p, 2)) {

				printk(KERN_DEBUG " %s: %.*s\n",

				       vpd_tags[i].label, len, p + 3);

				break;

			}

		}

		p += len + 3;

	}

out:

	kfree(vpd_buf);

}



/* This driver supports yukon2 chipset only */

static const char *sky2_name(u8 chipid, char *buf, int sz)

{
@@ -4411,8 +4432,6 @@ static int __devinit sky2_probe(struct pci_dev *pdev, 


	sky2_reset(hw);



	sky2_vpd_info(hw);



	dev = sky2_init_netdev(hw, 0, using_dac, wol_default);

	if (!dev) {

		err = -ENOMEM;