* - make the parameter serialize_io configurable per device
* - move all requests to fetch agent registers into non-atomic context,
* replace all usages of sbp2util_node_write_no_wait by true transactions
- * - convert to generic DMA mapping API to eliminate dependency on PCI
* Grep for inline FIXME comments below.
*/
-#include <linux/blkdev.h>
#include <linux/compiler.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/stat.h>
static int sbp2_update(struct unit_directory *);
static struct hpsb_protocol_driver sbp2_driver = {
- .name = "SBP2 Driver",
+ .name = SBP2_DEVICE_NAME,
.id_table = sbp2_id_table,
.update = sbp2_update,
.driver = {
- .name = SBP2_DEVICE_NAME,
- .bus = &ieee1394_bus_type,
.probe = sbp2_probe,
.remove = sbp2_remove,
},
.use_clustering = ENABLE_CLUSTERING,
.cmd_per_lun = SBP2_MAX_CMDS,
.can_queue = SBP2_MAX_CMDS,
- .emulated = 1,
.sdev_attrs = sbp2_sysfs_sdev_attrs,
};
+/* for match-all entries in sbp2_workarounds_table */
+#define SBP2_ROM_VALUE_WILDCARD 0x1000000
/*
* List of devices with known bugs.
},
/* Initio bridges, actually only needed for some older ones */ {
.firmware_revision = 0x000200,
+ .model_id = SBP2_ROM_VALUE_WILDCARD,
.workarounds = SBP2_WORKAROUND_INQUIRY_36,
},
/* Symbios bridge */ {
.firmware_revision = 0xa0b800,
+ .model_id = SBP2_ROM_VALUE_WILDCARD,
.workarounds = SBP2_WORKAROUND_128K_MAX_TRANS,
},
- /*
- * Note about the following Apple iPod blacklist entries:
- *
- * There are iPods (2nd gen, 3rd gen) with model_id==0. Since our
- * matching logic treats 0 as a wildcard, we cannot match this ID
- * without rewriting the matching routine. Fortunately these iPods
- * do not feature the read_capacity bug according to one report.
- * Read_capacity behaviour as well as model_id could change due to
- * Apple-supplied firmware updates though.
- */
/* iPod 4th generation */ {
.firmware_revision = 0x0a2700,
.model_id = 0x000021,
static void sbp2util_write_orb_pointer(struct work_struct *work)
{
+ struct sbp2_lu *lu = container_of(work, struct sbp2_lu, protocol_work);
quadlet_t data[2];
- data[0] = ORB_SET_NODE_ID((container_of(work, struct sbp2_lu, protocol_work))->hi->host->node_id);
- data[1] = (container_of(work, struct sbp2_lu, protocol_work))->last_orb_dma;
+ data[0] = ORB_SET_NODE_ID(lu->hi->host->node_id);
+ data[1] = lu->last_orb_dma;
sbp2util_cpu_to_be32_buffer(data, 8);
- sbp2util_notify_fetch_agent(container_of(work, struct sbp2_lu, protocol_work), SBP2_ORB_POINTER_OFFSET, data, 8);
+ sbp2util_notify_fetch_agent(lu, SBP2_ORB_POINTER_OFFSET, data, 8);
}
static void sbp2util_write_doorbell(struct work_struct *work)
{
- sbp2util_notify_fetch_agent(container_of(work, struct sbp2_lu, protocol_work), SBP2_DOORBELL_OFFSET, NULL, 4);
+ struct sbp2_lu *lu = container_of(work, struct sbp2_lu, protocol_work);
+
+ sbp2util_notify_fetch_agent(lu, SBP2_DOORBELL_OFFSET, NULL, 4);
}
static int sbp2util_create_command_orb_pool(struct sbp2_lu *lu)
spin_unlock_irqrestore(&lu->cmd_orb_lock, flags);
return -ENOMEM;
}
- cmd->command_orb_dma = pci_map_single(hi->host->pdev,
+ cmd->command_orb_dma = dma_map_single(hi->host->device.parent,
&cmd->command_orb,
sizeof(struct sbp2_command_orb),
- PCI_DMA_TODEVICE);
- cmd->sge_dma = pci_map_single(hi->host->pdev,
+ DMA_TO_DEVICE);
+ cmd->sge_dma = dma_map_single(hi->host->device.parent,
&cmd->scatter_gather_element,
sizeof(cmd->scatter_gather_element),
- PCI_DMA_BIDIRECTIONAL);
+ DMA_BIDIRECTIONAL);
INIT_LIST_HEAD(&cmd->list);
list_add_tail(&cmd->list, &lu->cmd_orb_completed);
}
if (!list_empty(&lu->cmd_orb_completed))
list_for_each_safe(lh, next, &lu->cmd_orb_completed) {
cmd = list_entry(lh, struct sbp2_command_info, list);
- pci_unmap_single(host->pdev, cmd->command_orb_dma,
+ dma_unmap_single(host->device.parent,
+ cmd->command_orb_dma,
sizeof(struct sbp2_command_orb),
- PCI_DMA_TODEVICE);
- pci_unmap_single(host->pdev, cmd->sge_dma,
+ DMA_TO_DEVICE);
+ dma_unmap_single(host->device.parent, cmd->sge_dma,
sizeof(cmd->scatter_gather_element),
- PCI_DMA_BIDIRECTIONAL);
+ DMA_BIDIRECTIONAL);
kfree(cmd);
}
spin_unlock_irqrestore(&lu->cmd_orb_lock, flags);
return cmd;
}
-static void sbp2util_free_command_dma(struct sbp2_command_info *cmd)
+/*
+ * Unmaps the DMAs of a command and moves the command to the completed ORB list.
+ * Must be called with lu->cmd_orb_lock held.
+ */
+static void sbp2util_mark_command_completed(struct sbp2_lu *lu,
+ struct sbp2_command_info *cmd)
{
- struct sbp2_lu *lu = (struct sbp2_lu *)
- cmd->Current_SCpnt->device->host->hostdata[0];
- struct hpsb_host *host;
-
- if (!lu) {
- SBP2_ERR("%s: lu == NULL", __FUNCTION__);
- return;
- }
-
- host = lu->ud->ne->host;
+ struct hpsb_host *host = lu->ud->ne->host;
if (cmd->cmd_dma) {
if (cmd->dma_type == CMD_DMA_SINGLE)
- pci_unmap_single(host->pdev, cmd->cmd_dma,
+ dma_unmap_single(host->device.parent, cmd->cmd_dma,
cmd->dma_size, cmd->dma_dir);
else if (cmd->dma_type == CMD_DMA_PAGE)
- pci_unmap_page(host->pdev, cmd->cmd_dma,
+ dma_unmap_page(host->device.parent, cmd->cmd_dma,
cmd->dma_size, cmd->dma_dir);
/* XXX: Check for CMD_DMA_NONE bug */
cmd->dma_type = CMD_DMA_NONE;
cmd->cmd_dma = 0;
}
-
if (cmd->sge_buffer) {
- pci_unmap_sg(host->pdev, cmd->sge_buffer,
+ dma_unmap_sg(host->device.parent, cmd->sge_buffer,
cmd->dma_size, cmd->dma_dir);
cmd->sge_buffer = NULL;
}
-}
-
-/*
- * This function moves a command to the completed orb list.
- * Must be called with lu->cmd_orb_lock held.
- */
-static void sbp2util_mark_command_completed(
- struct sbp2_lu *lu,
- struct sbp2_command_info *cmd)
-{
- sbp2util_free_command_dma(cmd);
list_move_tail(&cmd->list, &lu->cmd_orb_completed);
}
struct sbp2_fwhost_info *hi = lu->hi;
int error;
- lu->login_response = pci_alloc_consistent(hi->host->pdev,
+ lu->login_response = dma_alloc_coherent(hi->host->device.parent,
sizeof(struct sbp2_login_response),
- &lu->login_response_dma);
+ &lu->login_response_dma, GFP_KERNEL);
if (!lu->login_response)
goto alloc_fail;
- lu->query_logins_orb = pci_alloc_consistent(hi->host->pdev,
+ lu->query_logins_orb = dma_alloc_coherent(hi->host->device.parent,
sizeof(struct sbp2_query_logins_orb),
- &lu->query_logins_orb_dma);
+ &lu->query_logins_orb_dma, GFP_KERNEL);
if (!lu->query_logins_orb)
goto alloc_fail;
- lu->query_logins_response = pci_alloc_consistent(hi->host->pdev,
+ lu->query_logins_response = dma_alloc_coherent(hi->host->device.parent,
sizeof(struct sbp2_query_logins_response),
- &lu->query_logins_response_dma);
+ &lu->query_logins_response_dma, GFP_KERNEL);
if (!lu->query_logins_response)
goto alloc_fail;
- lu->reconnect_orb = pci_alloc_consistent(hi->host->pdev,
+ lu->reconnect_orb = dma_alloc_coherent(hi->host->device.parent,
sizeof(struct sbp2_reconnect_orb),
- &lu->reconnect_orb_dma);
+ &lu->reconnect_orb_dma, GFP_KERNEL);
if (!lu->reconnect_orb)
goto alloc_fail;
- lu->logout_orb = pci_alloc_consistent(hi->host->pdev,
+ lu->logout_orb = dma_alloc_coherent(hi->host->device.parent,
sizeof(struct sbp2_logout_orb),
- &lu->logout_orb_dma);
+ &lu->logout_orb_dma, GFP_KERNEL);
if (!lu->logout_orb)
goto alloc_fail;
- lu->login_orb = pci_alloc_consistent(hi->host->pdev,
+ lu->login_orb = dma_alloc_coherent(hi->host->device.parent,
sizeof(struct sbp2_login_orb),
- &lu->login_orb_dma);
+ &lu->login_orb_dma, GFP_KERNEL);
if (!lu->login_orb)
goto alloc_fail;
list_del(&lu->lu_list);
if (lu->login_response)
- pci_free_consistent(hi->host->pdev,
+ dma_free_coherent(hi->host->device.parent,
sizeof(struct sbp2_login_response),
lu->login_response,
lu->login_response_dma);
if (lu->login_orb)
- pci_free_consistent(hi->host->pdev,
+ dma_free_coherent(hi->host->device.parent,
sizeof(struct sbp2_login_orb),
lu->login_orb,
lu->login_orb_dma);
if (lu->reconnect_orb)
- pci_free_consistent(hi->host->pdev,
+ dma_free_coherent(hi->host->device.parent,
sizeof(struct sbp2_reconnect_orb),
lu->reconnect_orb,
lu->reconnect_orb_dma);
if (lu->logout_orb)
- pci_free_consistent(hi->host->pdev,
+ dma_free_coherent(hi->host->device.parent,
sizeof(struct sbp2_logout_orb),
lu->logout_orb,
lu->logout_orb_dma);
if (lu->query_logins_orb)
- pci_free_consistent(hi->host->pdev,
+ dma_free_coherent(hi->host->device.parent,
sizeof(struct sbp2_query_logins_orb),
lu->query_logins_orb,
lu->query_logins_orb_dma);
if (lu->query_logins_response)
- pci_free_consistent(hi->host->pdev,
+ dma_free_coherent(hi->host->device.parent,
sizeof(struct sbp2_query_logins_response),
lu->query_logins_response,
lu->query_logins_response_dma);
if (!(workarounds & SBP2_WORKAROUND_OVERRIDE))
for (i = 0; i < ARRAY_SIZE(sbp2_workarounds_table); i++) {
- if (sbp2_workarounds_table[i].firmware_revision &&
+ if (sbp2_workarounds_table[i].firmware_revision !=
+ SBP2_ROM_VALUE_WILDCARD &&
sbp2_workarounds_table[i].firmware_revision !=
(firmware_revision & 0xffff00))
continue;
- if (sbp2_workarounds_table[i].model_id &&
+ if (sbp2_workarounds_table[i].model_id !=
+ SBP2_ROM_VALUE_WILDCARD &&
sbp2_workarounds_table[i].model_id != ud->model_id)
continue;
workarounds |= sbp2_workarounds_table[i].workarounds;
int retval;
unsigned long flags;
- /* cancel_delayed_work(&lu->protocol_work); */
+ /* flush lu->protocol_work */
if (wait)
flush_scheduled_work();
cmd->dma_size = sgpnt[0].length;
cmd->dma_type = CMD_DMA_PAGE;
- cmd->cmd_dma = pci_map_page(hi->host->pdev,
+ cmd->cmd_dma = dma_map_page(hi->host->device.parent,
sgpnt[0].page, sgpnt[0].offset,
cmd->dma_size, cmd->dma_dir);
&cmd->scatter_gather_element[0];
u32 sg_count, sg_len;
dma_addr_t sg_addr;
- int i, count = pci_map_sg(hi->host->pdev, sgpnt, scsi_use_sg,
- dma_dir);
+ int i, count = dma_map_sg(hi->host->device.parent, sgpnt,
+ scsi_use_sg, dma_dir);
cmd->dma_size = scsi_use_sg;
cmd->sge_buffer = sgpnt;
cmd->dma_dir = dma_dir;
cmd->dma_size = scsi_request_bufflen;
cmd->dma_type = CMD_DMA_SINGLE;
- cmd->cmd_dma = pci_map_single(hi->host->pdev, scsi_request_buffer,
+ cmd->cmd_dma = dma_map_single(hi->host->device.parent,
+ scsi_request_buffer,
cmd->dma_size, cmd->dma_dir);
orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id);
orb->misc |= ORB_SET_DIRECTION(orb_direction);
size_t length;
unsigned long flags;
- pci_dma_sync_single_for_device(hi->host->pdev, cmd->command_orb_dma,
- sizeof(struct sbp2_command_orb),
- PCI_DMA_TODEVICE);
- pci_dma_sync_single_for_device(hi->host->pdev, cmd->sge_dma,
- sizeof(cmd->scatter_gather_element),
- PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(hi->host->device.parent,
+ cmd->command_orb_dma,
+ sizeof(struct sbp2_command_orb),
+ DMA_TO_DEVICE);
+ dma_sync_single_for_device(hi->host->device.parent, cmd->sge_dma,
+ sizeof(cmd->scatter_gather_element),
+ DMA_BIDIRECTIONAL);
/* check to see if there are any previous orbs to use */
spin_lock_irqsave(&lu->cmd_orb_lock, flags);
* The target's fetch agent may or may not have read this
* previous ORB yet.
*/
- pci_dma_sync_single_for_cpu(hi->host->pdev, last_orb_dma,
- sizeof(struct sbp2_command_orb),
- PCI_DMA_TODEVICE);
+ dma_sync_single_for_cpu(hi->host->device.parent, last_orb_dma,
+ sizeof(struct sbp2_command_orb),
+ DMA_TO_DEVICE);
last_orb->next_ORB_lo = cpu_to_be32(cmd->command_orb_dma);
wmb();
/* Tells hardware that this pointer is valid */
last_orb->next_ORB_hi = 0;
- pci_dma_sync_single_for_device(hi->host->pdev, last_orb_dma,
- sizeof(struct sbp2_command_orb),
- PCI_DMA_TODEVICE);
+ dma_sync_single_for_device(hi->host->device.parent,
+ last_orb_dma,
+ sizeof(struct sbp2_command_orb),
+ DMA_TO_DEVICE);
addr += SBP2_DOORBELL_OFFSET;
data[0] = 0;
length = 4;
scsi_block_requests(lu->shost);
PREPARE_WORK(&lu->protocol_work,
last_orb ? sbp2util_write_doorbell:
- sbp2util_write_orb_pointer
- /* */);
+ sbp2util_write_orb_pointer);
schedule_work(&lu->protocol_work);
}
}
else
cmd = sbp2util_find_command_for_orb(lu, sb->ORB_offset_lo);
if (cmd) {
- pci_dma_sync_single_for_cpu(hi->host->pdev,
- cmd->command_orb_dma,
- sizeof(struct sbp2_command_orb),
- PCI_DMA_TODEVICE);
- pci_dma_sync_single_for_cpu(hi->host->pdev,
- cmd->sge_dma,
- sizeof(cmd->scatter_gather_element),
- PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_cpu(hi->host->device.parent,
+ cmd->command_orb_dma,
+ sizeof(struct sbp2_command_orb),
+ DMA_TO_DEVICE);
+ dma_sync_single_for_cpu(hi->host->device.parent, cmd->sge_dma,
+ sizeof(cmd->scatter_gather_element),
+ DMA_BIDIRECTIONAL);
/* Grab SCSI command pointers and check status. */
/*
* FIXME: If the src field in the status is 1, the ORB DMA must
if (unlikely(SCpnt->device->lun))
goto done;
- /* handle the request sense command here (auto-request sense) */
- if (SCpnt->cmnd[0] == REQUEST_SENSE) {
- memcpy(SCpnt->request_buffer, SCpnt->sense_buffer,
- SCpnt->request_bufflen);
- memset(SCpnt->sense_buffer, 0, sizeof(SCpnt->sense_buffer));
- sbp2scsi_complete_command(lu, SBP2_SCSI_STATUS_GOOD, SCpnt,
- done);
- return 0;
- }
-
if (unlikely(!hpsb_node_entry_valid(lu->ne))) {
SBP2_ERR("Bus reset in progress - rejecting command");
result = DID_BUS_BUSY << 16;
while (!list_empty(&lu->cmd_orb_inuse)) {
lh = lu->cmd_orb_inuse.next;
cmd = list_entry(lh, struct sbp2_command_info, list);
- pci_dma_sync_single_for_cpu(hi->host->pdev,
- cmd->command_orb_dma,
- sizeof(struct sbp2_command_orb),
- PCI_DMA_TODEVICE);
- pci_dma_sync_single_for_cpu(hi->host->pdev, cmd->sge_dma,
- sizeof(cmd->scatter_gather_element),
- PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_cpu(hi->host->device.parent,
+ cmd->command_orb_dma,
+ sizeof(struct sbp2_command_orb),
+ DMA_TO_DEVICE);
+ dma_sync_single_for_cpu(hi->host->device.parent, cmd->sge_dma,
+ sizeof(cmd->scatter_gather_element),
+ DMA_BIDIRECTIONAL);
sbp2util_mark_command_completed(lu, cmd);
if (cmd->Current_SCpnt) {
cmd->Current_SCpnt->result = status << 16;
{
struct sbp2_lu *lu = (struct sbp2_lu *)sdev->host->hostdata[0];
- blk_queue_dma_alignment(sdev->request_queue, (512 - 1));
sdev->use_10_for_rw = 1;
+ if (sdev->type == TYPE_ROM)
+ sdev->use_10_for_ms = 1;
if (sdev->type == TYPE_DISK &&
lu->workarounds & SBP2_WORKAROUND_MODE_SENSE_8)
sdev->skip_ms_page_8 = 1;
spin_lock_irqsave(&lu->cmd_orb_lock, flags);
cmd = sbp2util_find_command_for_SCpnt(lu, SCpnt);
if (cmd) {
- pci_dma_sync_single_for_cpu(hi->host->pdev,
+ dma_sync_single_for_cpu(hi->host->device.parent,
cmd->command_orb_dma,
sizeof(struct sbp2_command_orb),
- PCI_DMA_TODEVICE);
- pci_dma_sync_single_for_cpu(hi->host->pdev,
+ DMA_TO_DEVICE);
+ dma_sync_single_for_cpu(hi->host->device.parent,
cmd->sge_dma,
sizeof(cmd->scatter_gather_element),
- PCI_DMA_BIDIRECTIONAL);
+ DMA_BIDIRECTIONAL);
sbp2util_mark_command_completed(lu, cmd);
if (cmd->Current_SCpnt) {
cmd->Current_SCpnt->result = DID_ABORT << 16;
projects / linux-2.6-omap-h63xx.git / blobdiff