X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Faacraid%2Fsa.c;h=a534549082057972ee2df5e0575b32b139e986fd;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=494d1fde204eb9136838965821eb52b8718125f8;hpb=9213980e6a70d8473e0ffd4b39ab5b6caaba9ff5;p=linux-2.6.git diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c index 494d1fde2..a53454908 100644 --- a/drivers/scsi/aacraid/sa.c +++ b/drivers/scsi/aacraid/sa.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include @@ -61,7 +62,7 @@ static irqreturn_t aac_sa_intr(int irq, void *dev_id, struct pt_regs *regs) if (intstat & mask) { if (intstat & PrintfReady) { - aac_printf(dev, le32_to_cpu(sa_readl(dev, Mailbox5))); + aac_printf(dev, sa_readl(dev, Mailbox5)); sa_writew(dev, DoorbellClrReg_p, PrintfReady); /* clear PrintfReady */ sa_writew(dev, DoorbellReg_s, PrintfDone); } else if (intstat & DOORBELL_1) { // dev -> Host Normal Command Ready @@ -81,65 +82,13 @@ static irqreturn_t aac_sa_intr(int irq, void *dev_id, struct pt_regs *regs) } /** - * aac_sa_enable_interrupt - enable an interrupt event + * aac_sa_disable_interrupt - disable interrupt * @dev: Which adapter to enable. - * @event: Which adapter event. - * - * This routine will enable the corresponding adapter event to cause an interrupt on - * the host. */ - -void aac_sa_enable_interrupt(struct aac_dev *dev, u32 event) -{ - switch (event) { - - case HostNormCmdQue: - sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, DOORBELL_1); - break; - - case HostNormRespQue: - sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, DOORBELL_2); - break; - case AdapNormCmdNotFull: - sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, DOORBELL_3); - break; - - case AdapNormRespNotFull: - sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, DOORBELL_4); - break; - } -} - -/** - * aac_sa_disable_interrupt - disable an interrupt event - * @dev: Which adapter to enable. - * @event: Which adapter event. - * - * This routine will enable the corresponding adapter event to cause an interrupt on - * the host. - */ - -void aac_sa_disable_interrupt (struct aac_dev *dev, u32 event) +static void aac_sa_disable_interrupt (struct aac_dev *dev) { - switch (event) { - - case HostNormCmdQue: - sa_writew(dev, SaDbCSR.PRISETIRQMASK, DOORBELL_1); - break; - - case HostNormRespQue: - sa_writew(dev, SaDbCSR.PRISETIRQMASK, DOORBELL_2); - break; - - case AdapNormCmdNotFull: - sa_writew(dev, SaDbCSR.PRISETIRQMASK, DOORBELL_3); - break; - - case AdapNormRespNotFull: - sa_writew(dev, SaDbCSR.PRISETIRQMASK, DOORBELL_4); - break; - } + sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff); } /** @@ -150,7 +99,7 @@ void aac_sa_disable_interrupt (struct aac_dev *dev, u32 event) * Notify the adapter of an event */ -void aac_sa_notify_adapter(struct aac_dev *dev, u32 event) +static void aac_sa_notify_adapter(struct aac_dev *dev, u32 event) { switch (event) { @@ -167,7 +116,10 @@ void aac_sa_notify_adapter(struct aac_dev *dev, u32 event) sa_writew(dev, DoorbellReg_s,DOORBELL_3); break; case HostShutdown: - //sa_sync_cmd(dev, HOST_CRASHING, 0, &ret); + /* + sa_sync_cmd(dev, HOST_CRASHING, 0, 0, 0, 0, 0, 0, + NULL, NULL, NULL, NULL, NULL); + */ break; case FastIo: sa_writew(dev, DoorbellReg_s,DOORBELL_6); @@ -189,25 +141,28 @@ void aac_sa_notify_adapter(struct aac_dev *dev, u32 event) * @p1: first parameter * @ret: adapter status * - * This routine will send a synchronous comamnd to the adapter and wait + * This routine will send a synchronous command to the adapter and wait * for its completion. */ -static int sa_sync_cmd(struct aac_dev *dev, u32 command, u32 p1, u32 *ret) +static int sa_sync_cmd(struct aac_dev *dev, u32 command, + u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, + u32 *ret, u32 *r1, u32 *r2, u32 *r3, u32 *r4) { unsigned long start; int ok; /* * Write the Command into Mailbox 0 */ - sa_writel(dev, Mailbox0, cpu_to_le32(command)); + sa_writel(dev, Mailbox0, command); /* * Write the parameters into Mailboxes 1 - 4 */ - sa_writel(dev, Mailbox1, cpu_to_le32(p1)); - sa_writel(dev, Mailbox2, 0); - sa_writel(dev, Mailbox3, 0); - sa_writel(dev, Mailbox4, 0); + sa_writel(dev, Mailbox1, p1); + sa_writel(dev, Mailbox2, p2); + sa_writel(dev, Mailbox3, p3); + sa_writel(dev, Mailbox4, p4); + /* * Clear the synch command doorbell to start on a clean slate. */ @@ -234,8 +189,7 @@ static int sa_sync_cmd(struct aac_dev *dev, u32 command, u32 p1, u32 *ret) ok = 1; break; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + msleep(1); } if (ok != 1) @@ -247,7 +201,16 @@ static int sa_sync_cmd(struct aac_dev *dev, u32 command, u32 p1, u32 *ret) /* * Pull the synch status from Mailbox 0. */ - *ret = le32_to_cpu(sa_readl(dev, Mailbox0)); + if (ret) + *ret = sa_readl(dev, Mailbox0); + if (r1) + *r1 = sa_readl(dev, Mailbox1); + if (r2) + *r2 = sa_readl(dev, Mailbox2); + if (r3) + *r3 = sa_readl(dev, Mailbox3); + if (r4) + *r4 = sa_readl(dev, Mailbox4); return 0; } @@ -260,8 +223,8 @@ static int sa_sync_cmd(struct aac_dev *dev, u32 command, u32 p1, u32 *ret) static void aac_sa_interrupt_adapter (struct aac_dev *dev) { - u32 ret; - sa_sync_cmd(dev, BREAKPOINT_REQUEST, 0, &ret); + sa_sync_cmd(dev, BREAKPOINT_REQUEST, 0, 0, 0, 0, 0, 0, + NULL, NULL, NULL, NULL, NULL); } /** @@ -273,30 +236,16 @@ static void aac_sa_interrupt_adapter (struct aac_dev *dev) static void aac_sa_start_adapter(struct aac_dev *dev) { - u32 ret; struct aac_init *init; /* * Fill in the remaining pieces of the init. */ init = dev->init; - init->HostElapsedSeconds = cpu_to_le32(jiffies/HZ); - - dprintk(("INIT\n")); - /* - * Tell the adapter we are back and up and running so it will scan its command - * queues and enable our interrupts - */ - dev->irq_mask = (PrintfReady | DOORBELL_1 | DOORBELL_2 | DOORBELL_3 | DOORBELL_4); - /* - * First clear out all interrupts. Then enable the one's that - * we can handle. - */ - dprintk(("MASK\n")); - sa_writew(dev, SaDbCSR.PRISETIRQMASK, cpu_to_le16(0xffff)); - sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, (PrintfReady | DOORBELL_1 | DOORBELL_2 | DOORBELL_3 | DOORBELL_4)); - dprintk(("SYNCCMD\n")); + init->HostElapsedSeconds = cpu_to_le32(get_seconds()); /* We can only use a 32 bit address here */ - sa_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, &ret); + sa_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, + (u32)(ulong)dev->init_pa, 0, 0, 0, 0, 0, + NULL, NULL, NULL, NULL, NULL); } /** @@ -329,54 +278,40 @@ static int aac_sa_check_health(struct aac_dev *dev) * Everything is OK */ return 0; -} /* aac_sa_check_health */ +} /** * aac_sa_init - initialize an ARM based AAC card * @dev: device to configure - * @devnum: adapter number * * Allocate and set up resources for the ARM based AAC variants. The * device_interface in the commregion will be allocated and linked * to the comm region. */ -int aac_sa_init(struct aac_dev *dev, unsigned long devnum) +int aac_sa_init(struct aac_dev *dev) { unsigned long start; unsigned long status; int instance; const char *name; - dev->devnum = devnum; - - dprintk(("PREINST\n")); instance = dev->id; name = dev->name; - /* - * Map in the registers from the adapter. - */ - dprintk(("PREMAP\n")); - - if((dev->regs.sa = (struct sa_registers *)ioremap((unsigned long)dev->scsi_host_ptr->base, 8192))==NULL) - { - printk(KERN_WARNING "aacraid: unable to map ARM.\n" ); - return -1; - } /* * Check to see if the board failed any self tests. */ if (sa_readl(dev, Mailbox7) & SELF_TEST_FAILED) { printk(KERN_WARNING "%s%d: adapter self-test failed.\n", name, instance); - return -1; + goto error_iounmap; } /* * Check to see if the board panic'd while booting. */ if (sa_readl(dev, Mailbox7) & KERNEL_PANIC) { printk(KERN_WARNING "%s%d: adapter kernel panic'd.\n", name, instance); - return -1; + goto error_iounmap; } start = jiffies; /* @@ -384,18 +319,17 @@ int aac_sa_init(struct aac_dev *dev, unsigned long devnum) */ while (!(sa_readl(dev, Mailbox7) & KERNEL_UP_AND_RUNNING)) { if (time_after(jiffies, start+180*HZ)) { - status = sa_readl(dev, Mailbox7) >> 16; - printk(KERN_WARNING "%s%d: adapter kernel failed to start, init status = %d.\n", name, instance, le32_to_cpu(status)); - return -1; + status = sa_readl(dev, Mailbox7); + printk(KERN_WARNING "%s%d: adapter kernel failed to start, init status = %lx.\n", + name, instance, status); + goto error_iounmap; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } - dprintk(("ATIRQ\n")); if (request_irq(dev->scsi_host_ptr->irq, aac_sa_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev ) < 0) { printk(KERN_WARNING "%s%d: Interrupt unavailable.\n", name, instance); - return -1; + goto error_iounmap; } /* @@ -403,34 +337,35 @@ int aac_sa_init(struct aac_dev *dev, unsigned long devnum) */ dev->a_ops.adapter_interrupt = aac_sa_interrupt_adapter; - dev->a_ops.adapter_enable_int = aac_sa_enable_interrupt; dev->a_ops.adapter_disable_int = aac_sa_disable_interrupt; dev->a_ops.adapter_notify = aac_sa_notify_adapter; dev->a_ops.adapter_sync_cmd = sa_sync_cmd; dev->a_ops.adapter_check_health = aac_sa_check_health; - dprintk(("FUNCDONE\n")); - - if(aac_init_adapter(dev) == NULL) - return -1; - - dprintk(("NEWADAPTDONE\n")); /* - * Start any kernel threads needed + * First clear out all interrupts. Then enable the one's that + * we can handle. */ - dev->thread_pid = kernel_thread((int (*)(void *))aac_command_thread, dev, 0); - if (dev->thread_pid < 0) { - printk(KERN_ERR "aacraid: Unable to create command thread.\n"); - return -1; - } + sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff); + sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, (PrintfReady | DOORBELL_1 | + DOORBELL_2 | DOORBELL_3 | DOORBELL_4)); + + if(aac_init_adapter(dev) == NULL) + goto error_irq; /* * Tell the adapter that all is configure, and it can start * accepting requests */ - dprintk(("STARTING\n")); aac_sa_start_adapter(dev); - dprintk(("STARTED\n")); return 0; + +error_irq: + sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff); + free_irq(dev->scsi_host_ptr->irq, (void *)dev); + +error_iounmap: + + return -1; }