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Commit a93429c3 authored by linux's avatar linux Committed by James Bottomley
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hptiop: Support HighPoint RR36xx HBAs and Support SAS tape and SAS media changer 

Support HighPoint RR36xx HBAs which are based on Marvell Frey.
Support SAS tape and SAS media changer.

[jejb: remove now unused label]
Signed-off-by: default avatarHighPoint Linux Team <linux@highpoint-tech.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarJames Bottomley <JBottomley@Odin.com>
parent 442d7562
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Showing with 65 additions and 38 deletions
drivers/scsi/hptiop.c
View file @ a93429c3
/*
* HighPoint RR3xxx/4xxx controller driver for Linux
* Copyright (C) 2006-2012 HighPoint Technologies, Inc. All Rights Reserved.
* Copyright (C) 2006-2015 HighPoint Technologies, Inc. All Rights Reserved.
*
* 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
......@@ -42,7 +42,7 @@ MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
static char driver_name[] = "hptiop";
static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
static const char driver_ver[] = "v1.8";
static const char driver_ver[] = "v1.10.0";
static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec);
static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
......@@ -764,9 +764,7 @@ static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
scsi_set_resid(scp,
scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
scp->result = SAM_STAT_CHECK_CONDITION;
memcpy(scp->sense_buffer, &req->sg_list,
min_t(size_t, SCSI_SENSE_BUFFERSIZE,
le32_to_cpu(req->dataxfer_length)));
memcpy(scp->sense_buffer, &req->sg_list, SCSI_SENSE_BUFFERSIZE);
goto skip_resid;
break;
......@@ -1037,8 +1035,9 @@ static int hptiop_queuecommand_lck(struct scsi_cmnd *scp,
scp->result = 0;
if (scp->device->channel || scp->device->lun ||
scp->device->id > hba->max_devices) {
if (scp->device->channel ||
(scp->device->id > hba->max_devices) ||
((scp->device->id == (hba->max_devices-1)) && scp->device->lun)) {
scp->result = DID_BAD_TARGET << 16;
free_req(hba, _req);
goto cmd_done;
......@@ -1168,6 +1167,14 @@ static struct device_attribute *hptiop_attrs[] = {
NULL
};
static int hptiop_slave_config(struct scsi_device *sdev)
{
if (sdev->type == TYPE_TAPE)
blk_queue_max_hw_sectors(sdev->request_queue, 8192);
return 0;
}
static struct scsi_host_template driver_template = {
.module = THIS_MODULE,
.name = driver_name,
......@@ -1179,6 +1186,7 @@ static struct scsi_host_template driver_template = {
.use_clustering = ENABLE_CLUSTERING,
.proc_name = driver_name,
.shost_attrs = hptiop_attrs,
.slave_configure = hptiop_slave_config,
.this_id = -1,
.change_queue_depth = hptiop_adjust_disk_queue_depth,
};
......@@ -1323,6 +1331,7 @@ static int hptiop_probe(struct pci_dev *pcidev, const struct pci_device_id *id)
}
hba = (struct hptiop_hba *)host->hostdata;
memset(hba, 0, sizeof(struct hptiop_hba));
hba->ops = iop_ops;
hba->pcidev = pcidev;
......@@ -1336,7 +1345,7 @@ static int hptiop_probe(struct pci_dev *pcidev, const struct pci_device_id *id)
init_waitqueue_head(&hba->reset_wq);
init_waitqueue_head(&hba->ioctl_wq);
host->max_lun = 1;
host->max_lun = 128;
host->max_channel = 0;
host->io_port = 0;
host->n_io_port = 0;
......@@ -1428,18 +1437,21 @@ static int hptiop_probe(struct pci_dev *pcidev, const struct pci_device_id *id)
dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
hba->req_size = req_size;
hba->req_list = NULL;
for (i = 0; i < hba->max_requests; i++) {
start_virt = dma_alloc_coherent(&pcidev->dev,
hba->req_size*hba->max_requests + 0x20,
hba->req_size + 0x20,
&start_phy, GFP_KERNEL);
if (!start_virt) {
printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
hba->host->host_no);
goto free_request_irq;
goto free_request_mem;
}
hba->dma_coherent = start_virt;
hba->dma_coherent_handle = start_phy;
hba->dma_coherent[i] = start_virt;
hba->dma_coherent_handle[i] = start_phy;
if ((start_phy & 0x1f) != 0) {
offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
......@@ -1447,15 +1459,11 @@ static int hptiop_probe(struct pci_dev *pcidev, const struct pci_device_id *id)
start_virt += offset;
}
hba->req_list = NULL;
for (i = 0; i < hba->max_requests; i++) {
hba->reqs[i].next = NULL;
hba->reqs[i].req_virt = start_virt;
hba->reqs[i].req_shifted_phy = start_phy >> 5;
hba->reqs[i].index = i;
free_req(hba, &hba->reqs[i]);
start_virt = (char *)start_virt + hba->req_size;
start_phy = start_phy + hba->req_size;
}
/* Enable Interrupt and start background task */
......@@ -1474,11 +1482,16 @@ static int hptiop_probe(struct pci_dev *pcidev, const struct pci_device_id *id)
return 0;
free_request_mem:
for (i = 0; i < hba->max_requests; i++) {
if (hba->dma_coherent[i] && hba->dma_coherent_handle[i])
dma_free_coherent(&hba->pcidev->dev,
hba->req_size * hba->max_requests + 0x20,
hba->dma_coherent, hba->dma_coherent_handle);
hba->req_size + 0x20,
hba->dma_coherent[i],
hba->dma_coherent_handle[i]);
else
break;
}
free_request_irq:
free_irq(hba->pcidev->irq, hba);
unmap_pci_bar:
......@@ -1546,6 +1559,7 @@ static void hptiop_remove(struct pci_dev *pcidev)
{
struct Scsi_Host *host = pci_get_drvdata(pcidev);
struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
u32 i;
dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
......@@ -1555,10 +1569,15 @@ static void hptiop_remove(struct pci_dev *pcidev)
free_irq(hba->pcidev->irq, hba);
for (i = 0; i < hba->max_requests; i++) {
if (hba->dma_coherent[i] && hba->dma_coherent_handle[i])
dma_free_coherent(&hba->pcidev->dev,
hba->req_size * hba->max_requests + 0x20,
hba->dma_coherent,
hba->dma_coherent_handle);
hba->req_size + 0x20,
hba->dma_coherent[i],
hba->dma_coherent_handle[i]);
else
break;
}
hba->ops->internal_memfree(hba);
......@@ -1653,6 +1672,14 @@ static struct pci_device_id hptiop_id_table[] = {
{ PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
{ PCI_VDEVICE(TTI, 0x4520), (kernel_ulong_t)&hptiop_mvfrey_ops },
{ PCI_VDEVICE(TTI, 0x4522), (kernel_ulong_t)&hptiop_mvfrey_ops },
{ PCI_VDEVICE(TTI, 0x3610), (kernel_ulong_t)&hptiop_mvfrey_ops },
{ PCI_VDEVICE(TTI, 0x3611), (kernel_ulong_t)&hptiop_mvfrey_ops },
{ PCI_VDEVICE(TTI, 0x3620), (kernel_ulong_t)&hptiop_mvfrey_ops },
{ PCI_VDEVICE(TTI, 0x3622), (kernel_ulong_t)&hptiop_mvfrey_ops },
{ PCI_VDEVICE(TTI, 0x3640), (kernel_ulong_t)&hptiop_mvfrey_ops },
{ PCI_VDEVICE(TTI, 0x3660), (kernel_ulong_t)&hptiop_mvfrey_ops },
{ PCI_VDEVICE(TTI, 0x3680), (kernel_ulong_t)&hptiop_mvfrey_ops },
{ PCI_VDEVICE(TTI, 0x3690), (kernel_ulong_t)&hptiop_mvfrey_ops },
{},
};
......
drivers/scsi/hptiop.h
View file @ a93429c3
/*
* HighPoint RR3xxx/4xxx controller driver for Linux
* Copyright (C) 2006-2012 HighPoint Technologies, Inc. All Rights Reserved.
* Copyright (C) 2006-2015 HighPoint Technologies, Inc. All Rights Reserved.
*
* 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
......@@ -327,8 +327,8 @@ struct hptiop_hba {
struct hptiop_request reqs[HPTIOP_MAX_REQUESTS];
/* used to free allocated dma area */
void *dma_coherent;
dma_addr_t dma_coherent_handle;
void *dma_coherent[HPTIOP_MAX_REQUESTS];
dma_addr_t dma_coherent_handle[HPTIOP_MAX_REQUESTS];
atomic_t reset_count;
atomic_t resetting;
......
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