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Date: Sun, 18 Apr 2010 17:48:13 +0300
From: "Vladislav Zolotarov" <vladz@...adcom.com>
To: davem@...emloft.net
cc: netdev@...r.kernel.org, eilong@...adcom.com, dmitry@...adcom.com
Subject: [PATCH 2/13] bnx2x: Use VPD-R V0 entry to display firmware
revision
Use VPD-R V0 entry to display firmware revision
Author: Dmitry Kravkov <dmitry@...adcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@...adcom.com>
Signed-off-by: Vladislav Zolotarov <vladz@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
drivers/net/bnx2x.h | 34 +++++++++++
drivers/net/bnx2x_main.c | 141 +++++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 173 insertions(+), 2 deletions(-)
diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index 3589f8b..0706c2c 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -1086,6 +1086,7 @@ struct bnx2x {
#define INIT_CSEM_INT_TABLE_DATA(bp) (bp->csem_int_table_data)
#define INIT_CSEM_PRAM_DATA(bp) (bp->csem_pram_data)
+ char fw_ver[32];
const struct firmware *firmware;
};
@@ -1349,6 +1350,39 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
#define PXP2_REG_PXP2_INT_STS PXP2_REG_PXP2_INT_STS_0
#endif
+#define BNX2X_VPD_LEN 128
+#define BNX2X_VPD_LRDT 0x80 /* Large Resource Data Type */
+#define BNX2X_VPD_LRDT_ID(x) (x | BNX2X_VPD_LRDT)
+
+/* Large Resource Data Type Item Names */
+#define BNX2X_VPD_LRDT_LIN_ID_STRING 0x02 /* Identifier String */
+#define BNX2X_VPD_LRDT_LIN_RO_DATA 0x10 /* Read-Only Data */
+#define BNX2X_VPD_LRDT_LIN_RW_DATA 0x11 /* Read-Write Data */
+
+#define BNX2X_VPD_LRDT_ID_STRING \
+ BNX2X_VPD_LRDT_ID(BNX2X_VPD_LRDT_LIN_ID_STRING)
+#define BNX2X_VPD_LRDT_RO_DATA \
+ BNX2X_VPD_LRDT_ID(BNX2X_VPD_LRDT_LIN_RO_DATA)
+#define BNX2X_VPD_LRDT_RW_DATA \
+ BNX2X_VPD_LRDT_ID(BNX2X_VPD_LRDT_LIN_RW_DATA)
+
+/* Small Resource Data Type Item Names */
+#define BNX2X_VPD_SRDT_SIN_END 0x78 /* End */
+
+#define BNX2X_VPD_SRDT_END BNX2X_VPD_SRDT_SIN_END
+
+#define BNX2X_VPD_RO_KEYWORD_PARTNO "PN"
+#define BNX2X_VPD_RO_KEYWORD_VENDOR0 "V0"
+#define BNX2X_VPD_RO_KEYWORD_MANUFACTURERNO "MN"
+
+#define BNX2X_VPD_SRDT_SIN_MASK 0x78
+#define BNX2X_VPD_SRDT_LEN_MASK 0x07
+
+#define BNX2X_VPD_LRDT_TAG_SIZE 3
+#define BNX2X_VPD_SRDT_TAG_SIZE 1
+#define BNX2X_VPD_INFO_FLD_HDR_SIZE 3
+#define VENDOR_ID_LEN 4
+
/* MISC_REG_RESET_REG - this is here for the hsi to work don't touch */
#endif /* bnx2x.h */
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 5a2e213..33d7484 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -9758,6 +9758,140 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
return rc;
}
+
+static inline u16 bnx2x_vpd_lrdt_size(u8 *lrdt)
+{
+ return (u16)lrdt[1] + ((u16)lrdt[2] << 8);
+}
+
+static inline u8 bnx2x_vpd_srdt_size(u8 *srdt)
+{
+ return (*srdt) & BNX2X_VPD_SRDT_LEN_MASK;
+}
+
+static int __devinit bnx2x_vpd_find_tag(u8 *data, unsigned int start,
+ unsigned int len, u8 tagid)
+{
+ int i;
+
+ for (i = start; i < len; ) {
+ u8 val = data[i];
+
+ if (val & BNX2X_VPD_LRDT) {
+ /* Don't return success of the tag isn't complete */
+ if (i + BNX2X_VPD_LRDT_TAG_SIZE > len)
+ break;
+
+ if (val == tagid)
+ return i;
+
+ i += BNX2X_VPD_LRDT_TAG_SIZE +
+ bnx2x_vpd_lrdt_size(&data[i]);
+ } else {
+ u8 tag = val & ~BNX2X_VPD_SRDT_LEN_MASK;
+
+ if (tag == tagid)
+ return i;
+
+ if (tag == BNX2X_VPD_SRDT_SIN_END)
+ break;
+
+ i += BNX2X_VPD_SRDT_TAG_SIZE +
+ bnx2x_vpd_srdt_size(&data[i]);
+ }
+ }
+
+ return -1;
+}
+
+static inline u8 bnx2x_vpd_info_field_size(u8 *info_field)
+{
+ return info_field[2];
+}
+
+static int __devinit bnx2x_vpd_rodata_find_if_keyword(u8 *rodata,
+ unsigned int start,
+ unsigned int rosize,
+ char *kw)
+{
+ int i;
+
+ for (i = start; i + BNX2X_VPD_INFO_FLD_HDR_SIZE <= start + rosize;) {
+ if (rodata[i + 0] == kw[0] &&
+ rodata[i + 1] == kw[1])
+ return i;
+
+ i += BNX2X_VPD_INFO_FLD_HDR_SIZE +
+ bnx2x_vpd_info_field_size(&rodata[i]);
+ }
+
+ return -1;
+}
+
+static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
+{
+ int cnt, i, block_end, rodi;
+ char vpd_data[BNX2X_VPD_LEN+1];
+ char str_id_reg[VENDOR_ID_LEN+1];
+ char str_id_cap[VENDOR_ID_LEN+1];
+ u8 len;
+
+ cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
+ memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
+
+ if (cnt < BNX2X_VPD_LEN)
+ goto out_not_found;
+
+ i = bnx2x_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
+ BNX2X_VPD_LRDT_RO_DATA);
+ if (i < 0)
+ goto out_not_found;
+
+
+ block_end = i + BNX2X_VPD_LRDT_TAG_SIZE +
+ bnx2x_vpd_lrdt_size(&vpd_data[i]);
+
+ i += BNX2X_VPD_LRDT_TAG_SIZE;
+
+ if (block_end > BNX2X_VPD_LEN)
+ goto out_not_found;
+
+ rodi = bnx2x_vpd_rodata_find_if_keyword(vpd_data, i, block_end,
+ BNX2X_VPD_RO_KEYWORD_MANUFACTURERNO);
+ if (rodi < 0)
+ goto out_not_found;
+
+ len = bnx2x_vpd_info_field_size(&vpd_data[rodi]);
+
+ if (len != VENDOR_ID_LEN)
+ goto out_not_found;
+
+ rodi += BNX2X_VPD_INFO_FLD_HDR_SIZE;
+
+ /* vendor specific info */
+ snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
+ snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
+ if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
+ !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
+
+ rodi = bnx2x_vpd_rodata_find_if_keyword(vpd_data, i, block_end,
+ BNX2X_VPD_RO_KEYWORD_VENDOR0);
+ if (rodi >= 0) {
+ len = bnx2x_vpd_info_field_size(&vpd_data[rodi]);
+
+ rodi += BNX2X_VPD_INFO_FLD_HDR_SIZE;
+
+ if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
+ memcpy(bp->fw_ver, &vpd_data[rodi], len);
+ bp->fw_ver[len] = ' ';
+ }
+ }
+ return;
+ }
+out_not_found:
+ return;
+}
+
static int __devinit bnx2x_init_bp(struct bnx2x *bp)
{
int func = BP_FUNC(bp);
@@ -9779,6 +9913,7 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
rc = bnx2x_get_hwinfo(bp);
+ bnx2x_read_fwinfo(bp);
/* need to reset chip if undi was active */
if (!BP_NOMCP(bp))
bnx2x_undi_unload(bp);
@@ -10167,11 +10302,13 @@ static void bnx2x_get_drvinfo(struct net_device *dev,
bnx2x_release_phy_lock(bp);
}
- snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
+ strncpy(info->fw_version, bp->fw_ver, 32);
+ snprintf(info->fw_version + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver),
+ "bc %d.%d.%d%s%s",
(bp->common.bc_ver & 0xff0000) >> 16,
(bp->common.bc_ver & 0xff00) >> 8,
(bp->common.bc_ver & 0xff),
- ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
+ ((phy_fw_ver[0] != '\0') ? " phy " : ""), phy_fw_ver);
strcpy(info->bus_info, pci_name(bp->pdev));
info->n_stats = BNX2X_NUM_STATS;
info->testinfo_len = BNX2X_NUM_TESTS;
--
1.6.3.3
--
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