X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fscsi%2F3w-9xxx.c;h=7045511f9ad2be543f9c4d5940b67d9a28bb0a09;hb=b6ff1b14cdf4b4cb5403f3af2c3272f7e609a241;hp=113aaed490d413219ee593b78bbb1236f6289a2d;hpb=0debe01d3e26bb692c36c575514a124c29669cdd;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index 113aaed..7045511 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -4,7 +4,7 @@ Written By: Adam Radford Modifications By: Tom Couch - Copyright (C) 2004-2006 Applied Micro Circuits Corporation. + Copyright (C) 2004-2007 Applied Micro Circuits Corporation. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -69,6 +69,8 @@ 2.26.02.008 - Free irq handler in __twa_shutdown(). Serialize reset code. Add support for 9650SE controllers. + 2.26.02.009 - Fix dma mask setting to fallback to 32-bit if 64-bit fails. + 2.26.02.010 - Add support for 9690SA controllers. */ #include @@ -82,6 +84,7 @@ #include #include #include +#include #include #include #include @@ -92,7 +95,7 @@ #include "3w-9xxx.h" /* Globals */ -#define TW_DRIVER_VERSION "2.26.02.008" +#define TW_DRIVER_VERSION "2.26.02.010" static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT]; static unsigned int twa_device_extension_count; static int twa_major = -1; @@ -124,11 +127,11 @@ static int twa_initconnection(TW_Device_Extension *tw_dev, int message_credits, unsigned short *fw_on_ctlr_branch, unsigned short *fw_on_ctlr_build, u32 *init_connect_result); -static void twa_load_sgl(TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_handle, int length); +static void twa_load_sgl(TW_Device_Extension *tw_dev, TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_handle, int length); static int twa_poll_response(TW_Device_Extension *tw_dev, int request_id, int seconds); static int twa_poll_status_gone(TW_Device_Extension *tw_dev, u32 flag, int seconds); static int twa_post_command_packet(TW_Device_Extension *tw_dev, int request_id, char internal); -static int twa_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_reset); +static int twa_reset_device_extension(TW_Device_Extension *tw_dev); static int twa_reset_sequence(TW_Device_Extension *tw_dev, int soft_reset); static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, char *cdb, int use_sg, TW_SG_Entry *sglistarg); static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id); @@ -138,9 +141,10 @@ static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id); /* Functions */ /* Show some statistics about the card */ -static ssize_t twa_show_stats(struct class_device *class_dev, char *buf) +static ssize_t twa_show_stats(struct device *dev, + struct device_attribute *attr, char *buf) { - struct Scsi_Host *host = class_to_shost(class_dev); + struct Scsi_Host *host = class_to_shost(dev); TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; unsigned long flags = 0; ssize_t len; @@ -182,7 +186,7 @@ static int twa_change_queue_depth(struct scsi_device *sdev, int queue_depth) } /* End twa_change_queue_depth() */ /* Create sysfs 'stats' entry */ -static struct class_device_attribute twa_host_stats_attr = { +static struct device_attribute twa_host_stats_attr = { .attr = { .name = "stats", .mode = S_IRUGO, @@ -191,7 +195,7 @@ static struct class_device_attribute twa_host_stats_attr = { }; /* Host attributes initializer */ -static struct class_device_attribute *twa_host_attrs[] = { +static struct device_attribute *twa_host_attrs[] = { &twa_host_stats_attr, NULL, }; @@ -683,7 +687,7 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int full_command_packet = &tw_ioctl->firmware_command; /* Load request id and sglist for both command types */ - twa_load_sgl(full_command_packet, request_id, dma_handle, data_buffer_length_adjusted); + twa_load_sgl(tw_dev, full_command_packet, request_id, dma_handle, data_buffer_length_adjusted); memcpy(tw_dev->command_packet_virt[request_id], &(tw_ioctl->firmware_command), sizeof(TW_Command_Full)); @@ -700,10 +704,10 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int if (tw_dev->chrdev_request_id != TW_IOCTL_CHRDEV_FREE) { /* Now we need to reset the board */ printk(KERN_WARNING "3w-9xxx: scsi%d: WARNING: (0x%02X:0x%04X): Character ioctl (0x%x) timed out, resetting card.\n", - tw_dev->host->host_no, TW_DRIVER, 0xc, + tw_dev->host->host_no, TW_DRIVER, 0x37, cmd); retval = TW_IOCTL_ERROR_OS_EIO; - twa_reset_device_extension(tw_dev, 1); + twa_reset_device_extension(tw_dev); goto out3; } @@ -859,11 +863,13 @@ out: } /* End twa_chrdev_ioctl() */ /* This function handles open for the character device */ +/* NOTE that this function will race with remove. */ static int twa_chrdev_open(struct inode *inode, struct file *file) { unsigned int minor_number; int retval = TW_IOCTL_ERROR_OS_ENODEV; + cycle_kernel_lock(); minor_number = iminor(inode); if (minor_number >= twa_device_extension_count) goto out; @@ -890,7 +896,9 @@ static int twa_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value) } if (status_reg_value & TW_STATUS_QUEUE_ERROR) { - if ((tw_dev->tw_pci_dev->device != PCI_DEVICE_ID_3WARE_9650SE) || (!test_bit(TW_IN_RESET, &tw_dev->flags))) + if (((tw_dev->tw_pci_dev->device != PCI_DEVICE_ID_3WARE_9650SE) && + (tw_dev->tw_pci_dev->device != PCI_DEVICE_ID_3WARE_9690SA)) || + (!test_bit(TW_IN_RESET, &tw_dev->flags))) TW_PRINTK(tw_dev->host, TW_DRIVER, 0xe, "Controller Queue Error: clearing"); writel(TW_CONTROL_CLEAR_QUEUE_ERROR, TW_CONTROL_REG_ADDR(tw_dev)); } @@ -935,8 +943,7 @@ static int twa_empty_response_queue_large(TW_Device_Extension *tw_dev) unsigned long before; int retval = 1; - if ((tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9550SX) || - (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9650SE)) { + if (tw_dev->tw_pci_dev->device != PCI_DEVICE_ID_3WARE_9000) { before = jiffies; while ((response_que_value & TW_9550SX_DRAIN_COMPLETED) != TW_9550SX_DRAIN_COMPLETED) { response_que_value = readl(TW_RESPONSE_QUEUE_REG_ADDR_LARGE(tw_dev)); @@ -1160,13 +1167,12 @@ static int twa_initialize_device_extension(TW_Device_Extension *tw_dev) } /* Allocate event info space */ - tw_dev->event_queue[0] = kmalloc(sizeof(TW_Event) * TW_Q_LENGTH, GFP_KERNEL); + tw_dev->event_queue[0] = kcalloc(TW_Q_LENGTH, sizeof(TW_Event), GFP_KERNEL); if (!tw_dev->event_queue[0]) { TW_PRINTK(tw_dev->host, TW_DRIVER, 0x18, "Event info memory allocation failed"); goto out; } - memset(tw_dev->event_queue[0], 0, sizeof(TW_Event) * TW_Q_LENGTH); for (i = 0; i < TW_Q_LENGTH; i++) { tw_dev->event_queue[i] = (TW_Event *)((unsigned char *)tw_dev->event_queue[0] + (i * sizeof(TW_Event))); @@ -1196,7 +1202,6 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance) u32 status_reg_value; TW_Response_Queue response_que; TW_Command_Full *full_command_packet; - TW_Command *command_packet; TW_Device_Extension *tw_dev = (TW_Device_Extension *)dev_instance; int handled = 0; @@ -1274,10 +1279,9 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance) request_id = TW_RESID_OUT(response_que.response_id); full_command_packet = tw_dev->command_packet_virt[request_id]; error = 0; - command_packet = &full_command_packet->command.oldcommand; /* Check for command packet errors */ if (full_command_packet->command.newcommand.status != 0) { - if (tw_dev->srb[request_id] != 0) { + if (tw_dev->srb[request_id] != NULL) { error = twa_fill_sense(tw_dev, request_id, 1, 1); } else { /* Skip ioctl error prints */ @@ -1289,7 +1293,7 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance) /* Check for correct state */ if (tw_dev->state[request_id] != TW_S_POSTED) { - if (tw_dev->srb[request_id] != 0) { + if (tw_dev->srb[request_id] != NULL) { TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1a, "Received a request id that wasn't posted"); TW_CLEAR_ALL_INTERRUPTS(tw_dev); goto twa_interrupt_bail; @@ -1297,7 +1301,7 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance) } /* Check for internal command completion */ - if (tw_dev->srb[request_id] == 0) { + if (tw_dev->srb[request_id] == NULL) { if (request_id != tw_dev->chrdev_request_id) { if (twa_aen_complete(tw_dev, request_id)) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1b, "Error completing AEN during attention interrupt"); @@ -1353,11 +1357,15 @@ twa_interrupt_bail: } /* End twa_interrupt() */ /* This function will load the request id and various sgls for ioctls */ -static void twa_load_sgl(TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_handle, int length) +static void twa_load_sgl(TW_Device_Extension *tw_dev, TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_handle, int length) { TW_Command *oldcommand; TW_Command_Apache *newcommand; TW_SG_Entry *sgl; + unsigned int pae = 0; + + if ((sizeof(long) < 8) && (sizeof(dma_addr_t) > 4)) + pae = 1; if (TW_OP_OUT(full_command_packet->command.newcommand.opcode__reserved) == TW_OP_EXECUTE_SCSI) { newcommand = &full_command_packet->command.newcommand; @@ -1373,12 +1381,14 @@ static void twa_load_sgl(TW_Command_Full *full_command_packet, int request_id, d if (TW_SGL_OUT(oldcommand->opcode__sgloffset)) { /* Load the sg list */ - sgl = (TW_SG_Entry *)((u32 *)oldcommand+TW_SGL_OUT(oldcommand->opcode__sgloffset)); + if (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9690SA) + sgl = (TW_SG_Entry *)((u32 *)oldcommand+oldcommand->size - (sizeof(TW_SG_Entry)/4) + pae); + else + sgl = (TW_SG_Entry *)((u32 *)oldcommand+TW_SGL_OUT(oldcommand->opcode__sgloffset)); sgl->address = TW_CPU_TO_SGL(dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1); sgl->length = cpu_to_le32(length); - if ((sizeof(long) < 8) && (sizeof(dma_addr_t) > 4)) - oldcommand->size += 1; + oldcommand->size += pae; } } } /* End twa_load_sgl() */ @@ -1507,7 +1517,8 @@ static int twa_post_command_packet(TW_Device_Extension *tw_dev, int request_id, command_que_value = tw_dev->command_packet_phys[request_id]; /* For 9650SE write low 4 bytes first */ - if (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9650SE) { + if ((tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9650SE) || + (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9690SA)) { command_que_value += TW_COMMAND_OFFSET; writel((u32)command_que_value, TW_COMMAND_QUEUE_REG_ADDR_LARGE(tw_dev)); } @@ -1538,7 +1549,8 @@ static int twa_post_command_packet(TW_Device_Extension *tw_dev, int request_id, TW_UNMASK_COMMAND_INTERRUPT(tw_dev); goto out; } else { - if (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9650SE) { + if ((tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9650SE) || + (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9690SA)) { /* Now write upper 4 bytes */ writel((u32)((u64)command_que_value >> 32), TW_COMMAND_QUEUE_REG_ADDR_LARGE(tw_dev) + 0x4); } else { @@ -1562,7 +1574,7 @@ out: } /* End twa_post_command_packet() */ /* This function will reset a device extension */ -static int twa_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_reset) +static int twa_reset_device_extension(TW_Device_Extension *tw_dev) { int i = 0; int retval = 1; @@ -1720,7 +1732,7 @@ static int twa_scsi_eh_reset(struct scsi_cmnd *SCpnt) mutex_lock(&tw_dev->ioctl_lock); /* Now reset the card and some of the device extension data */ - if (twa_reset_device_extension(tw_dev, 0)) { + if (twa_reset_device_extension(tw_dev)) { TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2b, "Controller reset failed during scsi host reset"); goto out; } @@ -1830,12 +1842,11 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, if (scsi_sg_count(srb)) { if ((scsi_sg_count(srb) == 1) && (scsi_bufflen(srb) < TW_MIN_SGL_LENGTH)) { - if (srb->sc_data_direction == DMA_TO_DEVICE || srb->sc_data_direction == DMA_BIDIRECTIONAL) { - struct scatterlist *sg = scsi_sglist(srb); - char *buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; - memcpy(tw_dev->generic_buffer_virt[request_id], buf, sg->length); - kunmap_atomic(buf - sg->offset, KM_IRQ0); - } + if (srb->sc_data_direction == DMA_TO_DEVICE || + srb->sc_data_direction == DMA_BIDIRECTIONAL) + scsi_sg_copy_to_buffer(srb, + tw_dev->generic_buffer_virt[request_id], + TW_SECTOR_SIZE); command_packet->sg_list[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]); command_packet->sg_list[0].length = cpu_to_le32(TW_MIN_SGL_LENGTH); } else { @@ -1902,24 +1913,16 @@ out: static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id) { struct scsi_cmnd *cmd = tw_dev->srb[request_id]; - int use_sg = scsi_sg_count(cmd); if (scsi_bufflen(cmd) < TW_MIN_SGL_LENGTH && (cmd->sc_data_direction == DMA_FROM_DEVICE || cmd->sc_data_direction == DMA_BIDIRECTIONAL)) { - if (!use_sg) - memcpy(scsi_sglist(cmd), - tw_dev->generic_buffer_virt[request_id], - scsi_bufflen(cmd)); - - if (use_sg == 1) { - struct scatterlist *sg = scsi_sglist(tw_dev->srb[request_id]); - char *buf; - unsigned long flags = 0; + if (scsi_sg_count(cmd) == 1) { + unsigned long flags; + void *buf = tw_dev->generic_buffer_virt[request_id]; + local_irq_save(flags); - buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; - memcpy(buf, tw_dev->generic_buffer_virt[request_id], sg->length); - kunmap_atomic(buf - sg->offset, KM_IRQ0); + scsi_sg_copy_from_buffer(cmd, buf, TW_SECTOR_SIZE); local_irq_restore(flags); } } @@ -2007,12 +2010,16 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id } pci_set_master(pdev); - - retval = pci_set_dma_mask(pdev, sizeof(dma_addr_t) > 4 ? DMA_64BIT_MASK : DMA_32BIT_MASK); - if (retval) { - TW_PRINTK(host, TW_DRIVER, 0x23, "Failed to set dma mask"); - goto out_disable_device; - } + pci_try_set_mwi(pdev); + + if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) + || pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) + if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) + || pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) { + TW_PRINTK(host, TW_DRIVER, 0x23, "Failed to set dma mask"); + retval = -ENODEV; + goto out_disable_device; + } host = scsi_host_alloc(&driver_template, sizeof(TW_Device_Extension)); if (!host) { @@ -2022,8 +2029,6 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id } tw_dev = (TW_Device_Extension *)host->hostdata; - memset(tw_dev, 0, sizeof(TW_Device_Extension)); - /* Save values to device extension */ tw_dev->host = host; tw_dev->tw_pci_dev = pdev; @@ -2060,7 +2065,8 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id goto out_iounmap; /* Set host specific parameters */ - if (pdev->device == PCI_DEVICE_ID_3WARE_9650SE) + if ((pdev->device == PCI_DEVICE_ID_3WARE_9650SE) || + (pdev->device == PCI_DEVICE_ID_3WARE_9690SA)) host->max_id = TW_MAX_UNITS_9650SE; else host->max_id = TW_MAX_UNITS; @@ -2167,6 +2173,8 @@ static struct pci_device_id twa_pci_tbl[] __devinitdata = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_3WARE, PCI_DEVICE_ID_3WARE_9650SE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + { PCI_VENDOR_ID_3WARE, PCI_DEVICE_ID_3WARE_9690SA, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { } }; MODULE_DEVICE_TABLE(pci, twa_pci_tbl);