From 7c00ffa314bf0fb0e23858bbebad33b48b6abbb9 Mon Sep 17 00:00:00 2001 From: Mark Haverkamp Date: Mon, 16 May 2005 18:28:42 -0700 Subject: [SCSI] 2.6 aacraid: Variable FIB size (updated patch) New code from the Adaptec driver. Performance enhancement for newer adapters. I hope that this isn't too big for a single patch. I believe that other than the few small cleanups mentioned, that the changes are all related. - Added Variable FIB size negotiation for new adapters. - Added support to maximize scatter gather tables and thus permit requests larger than 64KB/each. - Limit Scatter Gather to 34 elements for ROMB platforms. - aac_printf is only enabled with AAC_QUIRK_34SG - Large FIB ioctl support - some minor cleanup Passes sparse check. I have tested it on x86 and ppc64 machines. Signed-off-by: James Bottomley --- drivers/scsi/aacraid/rkt.c | 39 +++++++++++++++++++++++---------------- 1 file changed, 23 insertions(+), 16 deletions(-) (limited to 'drivers/scsi/aacraid/rkt.c') diff --git a/drivers/scsi/aacraid/rkt.c b/drivers/scsi/aacraid/rkt.c index 2d8ecd7f147..7d68b782513 100644 --- a/drivers/scsi/aacraid/rkt.c +++ b/drivers/scsi/aacraid/rkt.c @@ -98,7 +98,9 @@ static irqreturn_t aac_rkt_intr(int irq, void *dev_id, struct pt_regs *regs) * for its completion. */ -static int rkt_sync_cmd(struct aac_dev *dev, u32 command, u32 p1, u32 *status) +static int rkt_sync_cmd(struct aac_dev *dev, u32 command, + u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, + u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4) { unsigned long start; int ok; @@ -107,12 +109,12 @@ static int rkt_sync_cmd(struct aac_dev *dev, u32 command, u32 p1, u32 *status) */ rkt_writel(dev, InboundMailbox0, command); /* - * Write the parameters into Mailboxes 1 - 4 + * Write the parameters into Mailboxes 1 - 6 */ rkt_writel(dev, InboundMailbox1, p1); - rkt_writel(dev, InboundMailbox2, 0); - rkt_writel(dev, InboundMailbox3, 0); - rkt_writel(dev, InboundMailbox4, 0); + rkt_writel(dev, InboundMailbox2, p2); + rkt_writel(dev, InboundMailbox3, p3); + rkt_writel(dev, InboundMailbox4, p4); /* * Clear the synch command doorbell to start on a clean slate. */ @@ -169,6 +171,14 @@ static int rkt_sync_cmd(struct aac_dev *dev, u32 command, u32 p1, u32 *status) */ if (status) *status = rkt_readl(dev, IndexRegs.Mailbox[0]); + if (r1) + *r1 = rkt_readl(dev, IndexRegs.Mailbox[1]); + if (r2) + *r2 = rkt_readl(dev, IndexRegs.Mailbox[2]); + if (r3) + *r3 = rkt_readl(dev, IndexRegs.Mailbox[3]); + if (r4) + *r4 = rkt_readl(dev, IndexRegs.Mailbox[4]); /* * Clear the synch command doorbell. */ @@ -190,8 +200,8 @@ static int rkt_sync_cmd(struct aac_dev *dev, u32 command, u32 p1, u32 *status) static void aac_rkt_interrupt_adapter(struct aac_dev *dev) { - u32 ret; - rkt_sync_cmd(dev, BREAKPOINT_REQUEST, 0, &ret); + rkt_sync_cmd(dev, BREAKPOINT_REQUEST, 0, 0, 0, 0, 0, 0, + NULL, NULL, NULL, NULL, NULL); } /** @@ -220,7 +230,8 @@ static void aac_rkt_notify_adapter(struct aac_dev *dev, u32 event) rkt_writel(dev, MUnit.IDR,INBOUNDDOORBELL_3); break; case HostShutdown: -// rkt_sync_cmd(dev, HOST_CRASHING, 0, 0, 0, 0, &ret); +// rkt_sync_cmd(dev, HOST_CRASHING, 0, 0, 0, 0, 0, 0, +// NULL, NULL, NULL, NULL, NULL); break; case FastIo: rkt_writel(dev, MUnit.IDR,INBOUNDDOORBELL_6); @@ -243,16 +254,10 @@ static void aac_rkt_notify_adapter(struct aac_dev *dev, u32 event) static void aac_rkt_start_adapter(struct aac_dev *dev) { - u32 status; struct aac_init *init; init = dev->init; init->HostElapsedSeconds = cpu_to_le32(get_seconds()); - /* - * Tell the adapter we are back and up and running so it will scan - * its command queues and enable our interrupts - */ - dev->irq_mask = (DoorBellPrintfReady | OUTBOUNDDOORBELL_1 | OUTBOUNDDOORBELL_2 | OUTBOUNDDOORBELL_3 | OUTBOUNDDOORBELL_4); /* * First clear out all interrupts. Then enable the one's that we * can handle. @@ -263,7 +268,8 @@ static void aac_rkt_start_adapter(struct aac_dev *dev) rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); // We can only use a 32 bit address here - rkt_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, &status); + rkt_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, + 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL); } /** @@ -310,7 +316,8 @@ static int aac_rkt_check_health(struct aac_dev *dev) post->Post_Command = cpu_to_le32(COMMAND_POST_RESULTS); post->Post_Address = cpu_to_le32(baddr); rkt_writel(dev, MUnit.IMRx[0], paddr); - rkt_sync_cmd(dev, COMMAND_POST_RESULTS, baddr, &status); + rkt_sync_cmd(dev, COMMAND_POST_RESULTS, baddr, 0, 0, 0, 0, 0, + NULL, NULL, NULL, NULL, NULL); pci_free_consistent(dev->pdev, sizeof(struct POSTSTATUS), post, paddr); if ((buffer[0] == '0') && (buffer[1] == 'x')) { -- cgit v1.2.3