From: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>
To: James.Bottomley@HansenPartnership.com, akpm@linux-foundation.org
Cc: mikem@beardog.cce.hp.com, brace@beardog.cce.hp.com,
matthew.gates@hp.com, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 12/30] hpsa: make tag macros into functions
Date: Thu, 04 Feb 2010 08:42:24 -0600 [thread overview]
Message-ID: <20100204144224.10406.63430.stgit@beardog.cce.hp.com> (raw)
In-Reply-To: <20100204144012.10406.14868.stgit@beardog.cce.hp.com>
From: Stephen M. Cameron <scameron@beardog.cce.hp.com>
hpsa: make tag macros into functions
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
---
drivers/scsi/hpsa.c | 26 ++++++++++++++++++++++----
drivers/scsi/hpsa.h | 3 ---
2 files changed, 22 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index ba3dead..82987e1 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -2723,6 +2723,24 @@ static inline void finish_cmd(struct CommandList *c, u32 raw_tag)
complete(c->waiting);
}
+static inline u32 hpsa_tag_contains_index(u32 tag)
+{
+#define DIRECT_LOOKUP_BIT 0x04
+ return tag & DIRECT_LOOKUP_BIT;
+}
+
+static inline u32 hpsa_tag_to_index(u32 tag)
+{
+#define DIRECT_LOOKUP_SHIFT 3
+ return tag >> DIRECT_LOOKUP_SHIFT;
+}
+
+static inline u32 hpsa_tag_discard_error_bits(u32 tag)
+{
+#define HPSA_ERROR_BITS 0x03
+ return tag & ~HPSA_ERROR_BITS;
+}
+
static irqreturn_t do_hpsa_intr(int irq, void *dev_id)
{
struct ctlr_info *h = dev_id;
@@ -2736,15 +2754,15 @@ static irqreturn_t do_hpsa_intr(int irq, void *dev_id)
spin_lock_irqsave(&h->lock, flags);
while (interrupt_pending(h)) {
while ((raw_tag = get_next_completion(h)) != FIFO_EMPTY) {
- if (likely(HPSA_TAG_CONTAINS_INDEX(raw_tag))) {
- tag_index = HPSA_TAG_TO_INDEX(raw_tag);
+ if (likely(hpsa_tag_contains_index(raw_tag))) {
+ tag_index = hpsa_tag_to_index(raw_tag);
if (bad_tag(h, tag_index, raw_tag))
return IRQ_HANDLED;
c = h->cmd_pool + tag_index;
finish_cmd(c, raw_tag);
continue;
}
- tag = HPSA_TAG_DISCARD_ERROR_BITS(raw_tag);
+ tag = hpsa_tag_discard_error_bits(raw_tag);
c = NULL;
hlist_for_each_entry(c, tmp, &h->cmpQ, list) {
if (c->busaddr == tag) {
@@ -2824,7 +2842,7 @@ static __devinit int hpsa_message(struct pci_dev *pdev, unsigned char opcode,
for (i = 0; i < HPSA_MSG_SEND_RETRY_LIMIT; i++) {
tag = readl(vaddr + SA5_REPLY_PORT_OFFSET);
- if (HPSA_TAG_DISCARD_ERROR_BITS(tag) == paddr32)
+ if (hpsa_tag_discard_error_bits(tag) == paddr32)
break;
msleep(HPSA_MSG_SEND_RETRY_INTERVAL_MSECS);
}
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 194968e..da8dd3e 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -164,9 +164,6 @@ struct ctlr_info {
#define HPSA_FIRMWARE_READY 0xffff0000 /* value in scratchpad register */
#define HPSA_ERROR_BIT 0x02
-#define HPSA_TAG_CONTAINS_INDEX(tag) ((tag) & 0x04)
-#define HPSA_TAG_TO_INDEX(tag) ((tag) >> 3)
-#define HPSA_TAG_DISCARD_ERROR_BITS(tag) ((tag) & ~3)
#define HPSA_INTR_ON 1
#define HPSA_INTR_OFF 0
next prev parent reply other threads:[~2010-02-04 14:44 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-04 14:41 [PATCH 00/30] hpsa: Feb 2010 driver updates Stephen M. Cameron
2010-02-04 14:41 ` [PATCH 01/30] hpsa: fix typo in comments Stephen M. Cameron
2010-02-04 14:41 ` [PATCH 02/30] hpsa: Use kernel integer types, not userland ones Stephen M. Cameron
2010-02-04 14:41 ` [PATCH 03/30] hpsa: avoid unwanted promotion from unsigned to signed for raid level index Stephen M. Cameron
2010-02-04 14:41 ` [PATCH 04/30] hpsa: Use BUG_ON instead of an if statement Stephen M. Cameron
2010-02-04 14:41 ` [PATCH 05/30] hpsa: make adjust_hpsa_scsi_table return void Stephen M. Cameron
2010-02-04 14:41 ` [PATCH 06/30] hpsa: remove superfluous returns from void functions Stephen M. Cameron
2010-02-04 14:41 ` [PATCH 07/30] hpsa: return proper error codes not minus one Stephen M. Cameron
2010-02-04 14:42 ` [PATCH 08/30] hpsa: use sizeof() not an inline constant in memset Stephen M. Cameron
2010-02-04 14:42 ` [PATCH 09/30] hpsa: use kzalloc not kmalloc plus memset Stephen M. Cameron
2010-02-04 14:42 ` [PATCH 10/30] hpsa: remove unwanted debug code Stephen M. Cameron
2010-02-04 14:42 ` [PATCH 11/30] hpsa: eliminate unnecessary memcpys Stephen M. Cameron
2010-02-04 14:42 ` Stephen M. Cameron [this message]
2010-02-04 14:42 ` [PATCH 13/30] hpsa: fix some debug printks to use dev_dbg instead Stephen M. Cameron
2010-02-04 14:42 ` [PATCH 14/30] hpsa: interrupt pending function should return bool not unsigned long Stephen M. Cameron
2010-02-04 14:42 ` [PATCH 15/30] hpsa: Allow multiple command completions per interrupt Stephen M. Cameron
2010-02-04 14:42 ` [PATCH 16/30] hpsa: add pci ids for storageworks 1210m, remove p400, p800, p700m Stephen M. Cameron
2010-02-04 14:42 ` [PATCH 17/30] hpsa: Fix p1210m LUN assignment Stephen M. Cameron
2010-02-04 14:42 ` [PATCH 18/30] hpsa: Return DID_RESET for commands which complete with status of UNSOLICITED ABORT Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 19/30] hpsa: Retry commands completing with a sense key of ABORTED_COMMAND Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 20/30] hpsa: Don't return DID_NO_CONNECT when a device is merely not ready Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 21/30] hpsa: Add an shost_to_hba helper function Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 22/30] hpsa: use scan_start and scan_finished entry points for scanning Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 23/30] hpsa: when resetting devices, print out which device Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 24/30] hpsa: print all the bytes of the CDB, not just the first one Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 25/30] hpsa: clarify obscure comment in adjust_hpsa_scsi_table Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 26/30] hpsa: Fix hpsa_find_scsi_entry so that it doesn't try to dereference NULL pointers Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 27/30] hpsa: fix bug in adjust_hpsa_scsi_table Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 28/30] hpsa: eliminate lock_kernel in compat_ioctl Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 29/30] hpsa: Reorder compat ioctl functions to eliminate some forward declarations Stephen M. Cameron
2010-02-04 14:43 ` [PATCH 30/30] hpsa: `update driver version to 2.0.1-3 Stephen M. Cameron
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