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From: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>
To: james.bottomley@hansenpartnership.com
Cc: justin.lindley@hp.com, martin.petersen@oracle.com,
	linux-scsi@vger.kernel.org, stephenmcameron@gmail.com,
	joseph.t.handzik@hp.com, thenzl@redhat.com,
	michael.miller@canonical.com, elliott@hp.com, scott.teel@hp.com
Subject: [PATCH 14/19] hpsa: define extended_report_lun_entry data structure
Date: Thu, 08 May 2014 14:28:35 -0500	[thread overview]
Message-ID: <20140508192835.13481.27192.stgit@beardog.cce.hp.com> (raw)
In-Reply-To: <20140508192239.13481.81880.stgit@beardog.cce.hp.com>

From: Stephen M. Cameron <scameron@beardog.cce.hp.com>

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
---
 drivers/scsi/hpsa.c     |   21 ++++++++-------------
 drivers/scsi/hpsa_cmd.h |   12 +++++++++++-
 2 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index c6ed5ea..96436bb 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -2869,26 +2869,20 @@ static int hpsa_get_pdisk_of_ioaccel2(struct ctlr_info *h,
 	nphysicals = be32_to_cpu(*((__be32 *)physicals->LUNListLength)) /
 							responsesize;
 
-
 	/* find ioaccel2 handle in list of physicals: */
 	for (i = 0; i < nphysicals; i++) {
+		struct ext_report_lun_entry *entry = &physicals->LUN[i];
+
 		/* handle is in bytes 28-31 of each lun */
-		if (memcmp(&((struct ReportExtendedLUNdata *)
-				physicals)->LUN[i][20], &find, 4) != 0) {
+		if (entry->ioaccel_handle != find)
 			continue; /* didn't match */
-		}
 		found = 1;
-		memcpy(scsi3addr, &((struct ReportExtendedLUNdata *)
-					physicals)->LUN[i][0], 8);
+		memcpy(scsi3addr, entry->lunid, 8);
 		if (h->raid_offload_debug > 0)
 			dev_info(&h->pdev->dev,
-				"%s: Searched h=0x%08x, Found h=0x%08x, scsiaddr 0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
+				"%s: Searched h=0x%08x, Found h=0x%08x, scsiaddr 0x%8phN\n",
 				__func__, find,
-				((struct ReportExtendedLUNdata *)
-					physicals)->LUN[i][20],
-				scsi3addr[0], scsi3addr[1], scsi3addr[2],
-				scsi3addr[3], scsi3addr[4], scsi3addr[5],
-				scsi3addr[6], scsi3addr[7]);
+				entry->ioaccel_handle, scsi3addr);
 		break; /* found it */
 	}
 
@@ -2973,7 +2967,8 @@ u8 *figure_lunaddrbytes(struct ctlr_info *h, int raid_ctlr_position, int i,
 		return RAID_CTLR_LUNID;
 
 	if (i < logicals_start)
-		return &physdev_list->LUN[i - (raid_ctlr_position == 0)][0];
+		return &physdev_list->LUN[i -
+				(raid_ctlr_position == 0)].lunid[0];
 
 	if (i < last_device)
 		return &logdev_list->LUN[i - nphysicals -
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
index 55215d3..e394542 100644
--- a/drivers/scsi/hpsa_cmd.h
+++ b/drivers/scsi/hpsa_cmd.h
@@ -238,11 +238,21 @@ struct ReportLUNdata {
 	u8 LUN[HPSA_MAX_LUN][8];
 };
 
+struct ext_report_lun_entry {
+	u8 lunid[8];
+	u8 wwid[8];
+	u8 device_type;
+	u8 device_flags;
+	u8 lun_count; /* multi-lun device, how many luns */
+	u8 redundant_paths;
+	u32 ioaccel_handle; /* ioaccel1 only uses lower 16 bits */
+};
+
 struct ReportExtendedLUNdata {
 	u8 LUNListLength[4];
 	u8 extended_response_flag;
 	u8 reserved[3];
-	u8 LUN[HPSA_MAX_LUN][24];
+	struct ext_report_lun_entry LUN[HPSA_MAX_LUN];
 };
 
 struct SenseSubsystem_info {


  parent reply	other threads:[~2014-05-08 19:29 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-08 19:27 [PATCH 00/19] hpsa driver updates May 8, 2014 Stephen M. Cameron
2014-05-08 19:27 ` [PATCH 01/19] hpsa: add new Smart Array PCI IDs (May 2014) Stephen M. Cameron
2014-05-08 19:27 ` [PATCH 02/19] Checking for a NULL return from a kzalloc call in hpsa_get_pdisk_of_ioaccel2 Stephen M. Cameron
2014-05-08 19:27 ` [PATCH 03/19] hpsa: remove unused fields from struct ctlr_info Stephen M. Cameron
2014-05-08 19:27 ` [PATCH 04/19] hpsa: allow passthru ioctls to work with bidirectional commands Stephen M. Cameron
2014-05-08 19:27 ` [PATCH 05/19] hpsa: change doorbell reset delay to ten seconds Stephen M. Cameron
2014-05-08 19:27 ` [PATCH 06/19] hpsa: use gcc aligned attribute instead of manually padding structs Stephen M. Cameron
2014-05-08 19:27 ` [PATCH 07/19] hpsa: remove dev_dbg() calls from hot paths Stephen M. Cameron
2014-05-08 19:28 ` [PATCH 08/19] hpsa: choose number of reply queues more intelligently Stephen M. Cameron
2014-05-08 19:28 ` [PATCH 09/19] hpsa: allocate reply queues individually Stephen M. Cameron
2014-05-08 19:28 ` [PATCH 10/19] hpsa: set irq affinity hints to route MSI-X vectors across CPUs Stephen M. Cameron
2014-05-08 21:11   ` Govindarajulu Varadarajan
2014-05-08 22:04     ` Elliott, Robert (Server Storage)
2014-05-08 19:28 ` [PATCH 11/19] hpsa: use per-cpu variable for lockup_detected Stephen M. Cameron
2014-05-08 19:28 ` [PATCH 12/19] hpsa: avoid unnecessary readl on every command submission Stephen M. Cameron
2014-05-08 19:28 ` [PATCH 13/19] hpsa: Rearrange start_io to avoid one unlock/lock sequence in main io path Stephen M. Cameron
2014-05-08 19:28 ` Stephen M. Cameron [this message]
2014-05-08 19:28 ` [PATCH 15/19] hpsa: kill annoying messages about SSD Smart Path retries Stephen M. Cameron
2014-05-08 19:28 ` [PATCH 16/19] hpsa: fix event filtering to prevent excessive rescans with old firmware Stephen M. Cameron
2014-05-08 19:28 ` [PATCH 17/19] hpsa: remove bad unlikely annotation from device list updating code Stephen M. Cameron
2014-05-08 19:28 ` [PATCH 18/19] hpsa: report check condition even if no sense data present for ioaccel2 mode Stephen M. Cameron
2014-05-08 19:29 ` [PATCH 19/19] hpsa: remove messages about volume status VPD inquiry page not supported Stephen M. Cameron
2014-05-19 17:18 ` [PATCH 00/19] hpsa driver updates May 8, 2014 Christoph Hellwig

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