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-rw-r--r--drivers/infiniband/hw/ipath/ipath_common.h12
-rw-r--r--drivers/infiniband/hw/ipath/ipath_eeprom.c27
-rw-r--r--drivers/infiniband/hw/ipath/ipath_kernel.h7
-rw-r--r--drivers/infiniband/hw/ipath/ipath_pe800.c2
4 files changed, 38 insertions, 10 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h
index 106f8f49cbb..3130a7ed254 100644
--- a/drivers/infiniband/hw/ipath/ipath_common.h
+++ b/drivers/infiniband/hw/ipath/ipath_common.h
@@ -476,7 +476,7 @@ struct ipath_sma_pkt
* Data layout in I2C flash (for GUID, etc.)
* All fields are little-endian binary unless otherwise stated
*/
-#define IPATH_FLASH_VERSION 1
+#define IPATH_FLASH_VERSION 2
struct ipath_flash {
/* flash layout version (IPATH_FLASH_VERSION) */
__u8 if_fversion;
@@ -484,14 +484,14 @@ struct ipath_flash {
__u8 if_csum;
/*
* valid length (in use, protected by if_csum), including
- * if_fversion and if_sum themselves)
+ * if_fversion and if_csum themselves)
*/
__u8 if_length;
/* the GUID, in network order */
__u8 if_guid[8];
/* number of GUIDs to use, starting from if_guid */
__u8 if_numguid;
- /* the board serial number, in ASCII */
+ /* the (last 10 characters of) board serial number, in ASCII */
char if_serial[12];
/* board mfg date (YYYYMMDD ASCII) */
char if_mfgdate[8];
@@ -503,8 +503,10 @@ struct ipath_flash {
__u8 if_powerhour[2];
/* ASCII free-form comment field */
char if_comment[32];
- /* 78 bytes used, min flash size is 128 bytes */
- __u8 if_future[50];
+ /* Backwards compatible prefix for longer QLogic Serial Numbers */
+ char if_sprefix[4];
+ /* 82 bytes used, min flash size is 128 bytes */
+ __u8 if_future[46];
};
/*
diff --git a/drivers/infiniband/hw/ipath/ipath_eeprom.c b/drivers/infiniband/hw/ipath/ipath_eeprom.c
index f086e336045..3313356ab93 100644
--- a/drivers/infiniband/hw/ipath/ipath_eeprom.c
+++ b/drivers/infiniband/hw/ipath/ipath_eeprom.c
@@ -601,8 +601,31 @@ void ipath_get_eeprom_info(struct ipath_devdata *dd)
guid = *(__be64 *) ifp->if_guid;
dd->ipath_guid = guid;
dd->ipath_nguid = ifp->if_numguid;
- memcpy(dd->ipath_serial, ifp->if_serial,
- sizeof(ifp->if_serial));
+ /*
+ * Things are slightly complicated by the desire to transparently
+ * support both the Pathscale 10-digit serial number and the QLogic
+ * 13-character version.
+ */
+ if ((ifp->if_fversion > 1) && ifp->if_sprefix[0]
+ && ((u8 *)ifp->if_sprefix)[0] != 0xFF) {
+ /* This board has a Serial-prefix, which is stored
+ * elsewhere for backward-compatibility.
+ */
+ char *snp = dd->ipath_serial;
+ int len;
+ memcpy(snp, ifp->if_sprefix, sizeof ifp->if_sprefix);
+ snp[sizeof ifp->if_sprefix] = '\0';
+ len = strlen(snp);
+ snp += len;
+ len = (sizeof dd->ipath_serial) - len;
+ if (len > sizeof ifp->if_serial) {
+ len = sizeof ifp->if_serial;
+ }
+ memcpy(snp, ifp->if_serial, len);
+ } else
+ memcpy(dd->ipath_serial, ifp->if_serial,
+ sizeof ifp->if_serial);
+
ipath_cdbg(VERBOSE, "Initted GUID to %llx from eeprom\n",
(unsigned long long) be64_to_cpu(dd->ipath_guid));
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index fe3c862e23b..00a6bbdbe95 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -491,8 +491,11 @@ struct ipath_devdata {
u16 ipath_lid;
/* list of pkeys programmed; 0 if not set */
u16 ipath_pkeys[4];
- /* ASCII serial number, from flash */
- u8 ipath_serial[12];
+ /*
+ * ASCII serial number, from flash, large enough for original
+ * all digit strings, and longer QLogic serial number format
+ */
+ u8 ipath_serial[16];
/* human readable board version */
u8 ipath_boardversion[80];
/* chip major rev, from ipath_revision */
diff --git a/drivers/infiniband/hw/ipath/ipath_pe800.c b/drivers/infiniband/hw/ipath/ipath_pe800.c
index 98fd5d37dff..b83f66d8262 100644
--- a/drivers/infiniband/hw/ipath/ipath_pe800.c
+++ b/drivers/infiniband/hw/ipath/ipath_pe800.c
@@ -533,7 +533,7 @@ static int ipath_pe_boardname(struct ipath_devdata *dd, char *name,
if (n)
snprintf(name, namelen, "%s", n);
- if (dd->ipath_majrev != 4 || dd->ipath_minrev != 1) {
+ if (dd->ipath_majrev != 4 || !dd->ipath_minrev || dd->ipath_minrev>2) {
ipath_dev_err(dd, "Unsupported PE-800 revision %u.%u!\n",
dd->ipath_majrev, dd->ipath_minrev);
ret = 1;