3w-9xxx.c -- 3ware 9000 Storage Controller device driver for Linux.
Written By: Adam Radford <linuxraid@amcc.com>
- Modifications By: Tom Couch <linuxraid@amcc.com>
- Copyright (C) 2004-2006 Applied Micro Circuits Corporation.
+ Copyright (C) 2004-2005 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
2.26.02.003 - Correctly handle single sgl's with use_sg=1.
2.26.02.004 - Add support for 9550SX controllers.
2.26.02.005 - Fix use_sg == 0 mapping on systems with 4GB or higher.
- 2.26.02.006 - Fix 9550SX pchip reset timeout.
- Add big endian support.
- 2.26.02.007 - Disable local interrupts during kmap/unmap_atomic().
*/
#include <linux/module.h>
header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id];
tw_dev->posted_request_count--;
- aen = le16_to_cpu(header->status_block.error);
+ aen = header->status_block.error;
full_command_packet = tw_dev->command_packet_virt[request_id];
command_packet = &full_command_packet->command.oldcommand;
tw_dev->posted_request_count--;
header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id];
- aen = le16_to_cpu(header->status_block.error);
+ aen = header->status_block.error;
queue = 0;
count++;
tw_dev->aen_clobber = 1;
}
- aen = le16_to_cpu(header->status_block.error);
+ aen = header->status_block.error;
memset(event, 0, sizeof(TW_Event));
event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
header->err_specific_desc[sizeof(header->err_specific_desc) - 1] = '\0';
event->parameter_len = strlen(header->err_specific_desc);
- memcpy(event->parameter_data, header->err_specific_desc, event->parameter_len + (error_str[0] == '\0' ? 0 : (1 + strlen(error_str))));
+ memcpy(event->parameter_data, header->err_specific_desc, event->parameter_len);
if (event->severity != TW_AEN_SEVERITY_DEBUG)
printk(KERN_WARNING "3w-9xxx:%s AEN: %s (0x%02X:0x%04X): %s:%s.\n",
host,
command_packet = &full_command_packet->command.oldcommand;
command_packet->opcode__sgloffset = TW_OPSGL_IN(2, TW_OP_SET_PARAM);
command_packet->request_id = request_id;
- command_packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);
- command_packet->byte8_offset.param.sgl[0].length = cpu_to_le32(TW_SECTOR_SIZE);
+ command_packet->byte8_offset.param.sgl[0].address = tw_dev->generic_buffer_phys[request_id];
+ command_packet->byte8_offset.param.sgl[0].length = TW_SECTOR_SIZE;
command_packet->size = TW_COMMAND_SIZE;
- command_packet->byte6_offset.parameter_count = cpu_to_le16(1);
+ command_packet->byte6_offset.parameter_count = 1;
/* Setup the param */
param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id];
memset(param, 0, TW_SECTOR_SIZE);
- param->table_id = cpu_to_le16(TW_TIMEKEEP_TABLE | 0x8000); /* Controller time keep table */
- param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
- param->parameter_size_bytes = cpu_to_le16(4);
+ param->table_id = TW_TIMEKEEP_TABLE | 0x8000; /* Controller time keep table */
+ param->parameter_id = 0x3; /* SchedulerTime */
+ param->parameter_size_bytes = 4;
/* Convert system time in UTC to local time seconds since last
Sunday 12:00AM */
do_gettimeofday(&utc);
local_time = (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
schedulertime = local_time - (3 * 86400);
- schedulertime = cpu_to_le32(schedulertime % 604800);
+ schedulertime = schedulertime % 604800;
memcpy(param->data, &schedulertime, sizeof(u32));
/* This function will clear the pchip/response queue on 9550SX */
static int twa_empty_response_queue_large(TW_Device_Extension *tw_dev)
{
- u32 response_que_value = 0;
- unsigned long before;
- int retval = 1;
+ u32 status_reg_value, response_que_value;
+ int count = 0, retval = 1;
if (tw_dev->tw_pci_dev->device == PCI_DEVICE_ID_3WARE_9550SX) {
- before = jiffies;
- while ((response_que_value & TW_9550SX_DRAIN_COMPLETED) != TW_9550SX_DRAIN_COMPLETED) {
+ status_reg_value = readl(TW_STATUS_REG_ADDR(tw_dev));
+
+ while (((status_reg_value & TW_STATUS_RESPONSE_QUEUE_EMPTY) == 0) && (count < TW_MAX_RESPONSE_DRAIN)) {
response_que_value = readl(TW_RESPONSE_QUEUE_REG_ADDR_LARGE(tw_dev));
- if (time_after(jiffies, before + HZ * 30))
+ if ((response_que_value & TW_9550SX_DRAIN_COMPLETED) == TW_9550SX_DRAIN_COMPLETED) {
+ /* P-chip settle time */
+ msleep(500);
+ retval = 0;
goto out;
+ }
+ status_reg_value = readl(TW_STATUS_REG_ADDR(tw_dev));
+ count++;
}
- /* P-chip settle time */
- msleep(500);
+ if (count == TW_MAX_RESPONSE_DRAIN)
+ goto out;
+
retval = 0;
} else
retval = 0;
error_str = &(full_command_packet->header.err_specific_desc[strlen(full_command_packet->header.err_specific_desc) + 1]);
/* Don't print error for Logical unit not supported during rollcall */
- error = le16_to_cpu(full_command_packet->header.status_block.error);
+ error = full_command_packet->header.status_block.error;
if ((error != TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED) && (error != TW_ERROR_UNIT_OFFLINE)) {
if (print_host)
printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s:%s.\n",
tw_dev->free_tail = (tw_dev->free_tail + 1) % TW_Q_LENGTH;
} /* End twa_free_request_id() */
-/* This function will get parameter table entries from the firmware */
+/* This function will get parameter table entires from the firmware */
static void *twa_get_param(TW_Device_Extension *tw_dev, int request_id, int table_id, int parameter_id, int parameter_size_bytes)
{
TW_Command_Full *full_command_packet;
command_packet->opcode__sgloffset = TW_OPSGL_IN(2, TW_OP_GET_PARAM);
command_packet->size = TW_COMMAND_SIZE;
command_packet->request_id = request_id;
- command_packet->byte6_offset.block_count = cpu_to_le16(1);
+ command_packet->byte6_offset.block_count = 1;
/* Now setup the param */
param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id];
memset(param, 0, TW_SECTOR_SIZE);
- param->table_id = cpu_to_le16(table_id | 0x8000);
- param->parameter_id = cpu_to_le16(parameter_id);
- param->parameter_size_bytes = cpu_to_le16(parameter_size_bytes);
+ param->table_id = table_id | 0x8000;
+ param->parameter_id = parameter_id;
+ param->parameter_size_bytes = parameter_size_bytes;
param_value = tw_dev->generic_buffer_phys[request_id];
- command_packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(param_value);
- command_packet->byte8_offset.param.sgl[0].length = cpu_to_le32(TW_SECTOR_SIZE);
+ command_packet->byte8_offset.param.sgl[0].address = param_value;
+ command_packet->byte8_offset.param.sgl[0].length = TW_SECTOR_SIZE;
/* Post the command packet to the board */
twa_post_command_packet(tw_dev, request_id, 1);
tw_initconnect = (TW_Initconnect *)&full_command_packet->command.oldcommand;
tw_initconnect->opcode__reserved = TW_OPRES_IN(0, TW_OP_INIT_CONNECTION);
tw_initconnect->request_id = request_id;
- tw_initconnect->message_credits = cpu_to_le16(message_credits);
+ tw_initconnect->message_credits = message_credits;
tw_initconnect->features = set_features;
/* Turn on 64-bit sgl support if we need to */
tw_initconnect->features |= sizeof(dma_addr_t) > 4 ? 1 : 0;
- tw_initconnect->features = cpu_to_le32(tw_initconnect->features);
-
if (set_features & TW_EXTENDED_INIT_CONNECT) {
tw_initconnect->size = TW_INIT_COMMAND_PACKET_SIZE_EXTENDED;
- tw_initconnect->fw_srl = cpu_to_le16(current_fw_srl);
- tw_initconnect->fw_arch_id = cpu_to_le16(current_fw_arch_id);
- tw_initconnect->fw_branch = cpu_to_le16(current_fw_branch);
- tw_initconnect->fw_build = cpu_to_le16(current_fw_build);
+ tw_initconnect->fw_srl = current_fw_srl;
+ tw_initconnect->fw_arch_id = current_fw_arch_id;
+ tw_initconnect->fw_branch = current_fw_branch;
+ tw_initconnect->fw_build = current_fw_build;
} else
tw_initconnect->size = TW_INIT_COMMAND_PACKET_SIZE;
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x15, "No valid response during init connection");
} else {
if (set_features & TW_EXTENDED_INIT_CONNECT) {
- *fw_on_ctlr_srl = le16_to_cpu(tw_initconnect->fw_srl);
- *fw_on_ctlr_arch_id = le16_to_cpu(tw_initconnect->fw_arch_id);
- *fw_on_ctlr_branch = le16_to_cpu(tw_initconnect->fw_branch);
- *fw_on_ctlr_build = le16_to_cpu(tw_initconnect->fw_build);
- *init_connect_result = le32_to_cpu(tw_initconnect->result);
+ *fw_on_ctlr_srl = tw_initconnect->fw_srl;
+ *fw_on_ctlr_arch_id = tw_initconnect->fw_arch_id;
+ *fw_on_ctlr_branch = tw_initconnect->fw_branch;
+ *fw_on_ctlr_build = tw_initconnect->fw_build;
+ *init_connect_result = tw_initconnect->result;
}
retval = 0;
}
newcommand = &full_command_packet->command.newcommand;
newcommand->request_id__lunl =
TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->request_id__lunl), request_id);
- newcommand->sg_list[0].address = TW_CPU_TO_SGL(dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1);
- newcommand->sg_list[0].length = cpu_to_le32(length);
+ newcommand->sg_list[0].address = dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1;
+ newcommand->sg_list[0].length = length;
newcommand->sgl_entries__lunh =
- cpu_to_le16(TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->sgl_entries__lunh), 1));
+ TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->sgl_entries__lunh), 1);
} else {
oldcommand = &full_command_packet->command.oldcommand;
oldcommand->request_id = request_id;
if (TW_SGL_OUT(oldcommand->opcode__sgloffset)) {
/* Load the sg list */
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);
+ sgl->address = dma_handle + sizeof(TW_Ioctl_Buf_Apache) - 1;
+ sgl->length = length;
if ((sizeof(long) < 8) && (sizeof(dma_addr_t) > 4))
oldcommand->size += 1;
if (cmd->use_sg == 0)
goto out;
- use_sg = pci_map_sg(pdev, cmd->request_buffer, cmd->use_sg, DMA_BIDIRECTIONAL);
+ use_sg = pci_map_sg(pdev, cmd->buffer, cmd->use_sg, DMA_BIDIRECTIONAL);
if (use_sg == 0) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1c, "Failed to map scatter gather list");
if (srb) {
command_packet->unit = srb->device->id;
command_packet->request_id__lunl =
- cpu_to_le16(TW_REQ_LUN_IN(srb->device->lun, request_id));
+ TW_REQ_LUN_IN(srb->device->lun, request_id);
} else {
command_packet->request_id__lunl =
- cpu_to_le16(TW_REQ_LUN_IN(0, request_id));
+ TW_REQ_LUN_IN(0, request_id);
command_packet->unit = 0;
}
/* Map sglist from scsi layer to cmd packet */
if (tw_dev->srb[request_id]->use_sg == 0) {
if (tw_dev->srb[request_id]->request_bufflen < TW_MIN_SGL_LENGTH) {
- 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);
+ command_packet->sg_list[0].address = tw_dev->generic_buffer_phys[request_id];
+ command_packet->sg_list[0].length = TW_MIN_SGL_LENGTH;
if (tw_dev->srb[request_id]->sc_data_direction == DMA_TO_DEVICE || tw_dev->srb[request_id]->sc_data_direction == DMA_BIDIRECTIONAL)
memcpy(tw_dev->generic_buffer_virt[request_id], tw_dev->srb[request_id]->request_buffer, tw_dev->srb[request_id]->request_bufflen);
} else {
if (buffaddr == 0)
goto out;
- command_packet->sg_list[0].address = TW_CPU_TO_SGL(buffaddr);
- command_packet->sg_list[0].length = cpu_to_le32(tw_dev->srb[request_id]->request_bufflen);
+ command_packet->sg_list[0].address = buffaddr;
+ command_packet->sg_list[0].length = tw_dev->srb[request_id]->request_bufflen;
}
- command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), 1));
+ command_packet->sgl_entries__lunh = TW_REQ_LUN_IN((srb->device->lun >> 4), 1);
- if (command_packet->sg_list[0].address & TW_CPU_TO_SGL(TW_ALIGNMENT_9000_SGL)) {
+ if (command_packet->sg_list[0].address & TW_ALIGNMENT_9000_SGL) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2d, "Found unaligned address during execute scsi");
goto out;
}
memcpy(tw_dev->generic_buffer_virt[request_id], buf, sg->length);
kunmap_atomic(buf - sg->offset, KM_IRQ0);
}
- 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);
+ command_packet->sg_list[0].address = tw_dev->generic_buffer_phys[request_id];
+ command_packet->sg_list[0].length = TW_MIN_SGL_LENGTH;
} else {
sg_count = twa_map_scsi_sg_data(tw_dev, request_id);
if (sg_count == 0)
goto out;
for (i = 0; i < sg_count; i++) {
- command_packet->sg_list[i].address = TW_CPU_TO_SGL(sg_dma_address(&sglist[i]));
- command_packet->sg_list[i].length = cpu_to_le32(sg_dma_len(&sglist[i]));
- if (command_packet->sg_list[i].address & TW_CPU_TO_SGL(TW_ALIGNMENT_9000_SGL)) {
+ command_packet->sg_list[i].address = sg_dma_address(&sglist[i]);
+ command_packet->sg_list[i].length = sg_dma_len(&sglist[i]);
+ if (command_packet->sg_list[i].address & TW_ALIGNMENT_9000_SGL) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2e, "Found unaligned sgl address during execute scsi");
goto out;
}
}
}
- command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), tw_dev->srb[request_id]->use_sg));
+ command_packet->sgl_entries__lunh = TW_REQ_LUN_IN((srb->device->lun >> 4), tw_dev->srb[request_id]->use_sg);
}
} else {
/* Internal cdb post */
for (i = 0; i < use_sg; i++) {
- command_packet->sg_list[i].address = TW_CPU_TO_SGL(sglistarg[i].address);
- command_packet->sg_list[i].length = cpu_to_le32(sglistarg[i].length);
- if (command_packet->sg_list[i].address & TW_CPU_TO_SGL(TW_ALIGNMENT_9000_SGL)) {
+ command_packet->sg_list[i].address = sglistarg[i].address;
+ command_packet->sg_list[i].length = sglistarg[i].length;
+ if (command_packet->sg_list[i].address & TW_ALIGNMENT_9000_SGL) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2f, "Found unaligned sgl address during internal post");
goto out;
}
}
- command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN(0, use_sg));
+ command_packet->sgl_entries__lunh = TW_REQ_LUN_IN(0, use_sg);
}
if (srb) {
TW_PARAM_FWVER, TW_PARAM_FWVER_LENGTH),
(char *)twa_get_param(tw_dev, 1, TW_VERSION_TABLE,
TW_PARAM_BIOSVER, TW_PARAM_BIOSVER_LENGTH),
- le32_to_cpu(*(int *)twa_get_param(tw_dev, 2, TW_INFORMATION_TABLE,
- TW_PARAM_PORTCOUNT, TW_PARAM_PORTCOUNT_LENGTH)));
+ *(int *)twa_get_param(tw_dev, 2, TW_INFORMATION_TABLE,
+ TW_PARAM_PORTCOUNT, TW_PARAM_PORTCOUNT_LENGTH));
/* Now setup the interrupt handler */
- retval = request_irq(pdev->irq, twa_interrupt, IRQF_SHARED, "3w-9xxx", tw_dev);
+ retval = request_irq(pdev->irq, twa_interrupt, SA_SHIRQ, "3w-9xxx", tw_dev);
if (retval) {
TW_PRINTK(tw_dev->host, TW_DRIVER, 0x30, "Error requesting IRQ");
goto out_remove_host;
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