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path: root/drivers/rapidio/devices
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-rw-r--r--drivers/rapidio/devices/rio_mport_cdev.c6
-rw-r--r--drivers/rapidio/devices/tsi721.c57
-rw-r--r--drivers/rapidio/devices/tsi721.h2
-rw-r--r--drivers/rapidio/devices/tsi721_dma.c27
4 files changed, 67 insertions, 25 deletions
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c
index e165b7c..436dfe8 100644
--- a/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/drivers/rapidio/devices/rio_mport_cdev.c
@@ -1813,7 +1813,7 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv,
if (rdev->pef & RIO_PEF_EXT_FEATURES) {
rdev->efptr = rval & 0xffff;
rdev->phys_efptr = rio_mport_get_physefb(mport, 0, destid,
- hopcount);
+ hopcount, &rdev->phys_rmap);
rdev->em_efptr = rio_mport_get_feature(mport, 0, destid,
hopcount, RIO_EFB_ERR_MGMNT);
@@ -2242,7 +2242,7 @@ static void mport_mm_open(struct vm_area_struct *vma)
{
struct rio_mport_mapping *map = vma->vm_private_data;
-rmcd_debug(MMAP, "0x%pad", &map->phys_addr);
+ rmcd_debug(MMAP, "%pad", &map->phys_addr);
kref_get(&map->ref);
}
@@ -2250,7 +2250,7 @@ static void mport_mm_close(struct vm_area_struct *vma)
{
struct rio_mport_mapping *map = vma->vm_private_data;
-rmcd_debug(MMAP, "0x%pad", &map->phys_addr);
+ rmcd_debug(MMAP, "%pad", &map->phys_addr);
mutex_lock(&map->md->buf_mutex);
kref_put(&map->ref, mport_release_mapping);
mutex_unlock(&map->md->buf_mutex);
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index b5b4556..32f0f01 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -37,11 +37,20 @@
#include "tsi721.h"
#ifdef DEBUG
-u32 dbg_level = DBG_INIT | DBG_EXIT;
+u32 dbg_level;
module_param(dbg_level, uint, S_IWUSR | S_IRUGO);
MODULE_PARM_DESC(dbg_level, "Debugging output level (default 0 = none)");
#endif
+static int pcie_mrrs = -1;
+module_param(pcie_mrrs, int, S_IRUGO);
+MODULE_PARM_DESC(pcie_mrrs, "PCIe MRRS override value (0...5)");
+
+static u8 mbox_sel = 0x0f;
+module_param(mbox_sel, byte, S_IRUGO);
+MODULE_PARM_DESC(mbox_sel,
+ "RIO Messaging MBOX Selection Mask (default: 0x0f = all)");
+
static void tsi721_omsg_handler(struct tsi721_device *priv, int ch);
static void tsi721_imsg_handler(struct tsi721_device *priv, int ch);
@@ -1081,7 +1090,7 @@ static void tsi721_init_pc2sr_mapping(struct tsi721_device *priv)
* from rstart to lstart.
*/
static int tsi721_rio_map_inb_mem(struct rio_mport *mport, dma_addr_t lstart,
- u64 rstart, u32 size, u32 flags)
+ u64 rstart, u64 size, u32 flags)
{
struct tsi721_device *priv = mport->priv;
int i, avail = -1;
@@ -1094,6 +1103,10 @@ static int tsi721_rio_map_inb_mem(struct rio_mport *mport, dma_addr_t lstart,
struct tsi721_ib_win_mapping *map = NULL;
int ret = -EBUSY;
+ /* Max IBW size supported by HW is 16GB */
+ if (size > 0x400000000UL)
+ return -EINVAL;
+
if (direct) {
/* Calculate minimal acceptable window size and base address */
@@ -1101,15 +1114,15 @@ static int tsi721_rio_map_inb_mem(struct rio_mport *mport, dma_addr_t lstart,
ibw_start = lstart & ~(ibw_size - 1);
tsi_debug(IBW, &priv->pdev->dev,
- "Direct (RIO_0x%llx -> PCIe_0x%pad), size=0x%x, ibw_start = 0x%llx",
+ "Direct (RIO_0x%llx -> PCIe_%pad), size=0x%llx, ibw_start = 0x%llx",
rstart, &lstart, size, ibw_start);
while ((lstart + size) > (ibw_start + ibw_size)) {
ibw_size *= 2;
ibw_start = lstart & ~(ibw_size - 1);
- if (ibw_size > 0x80000000) { /* Limit max size to 2GB */
+ /* Check for crossing IBW max size 16GB */
+ if (ibw_size > 0x400000000UL)
return -EBUSY;
- }
}
loc_start = ibw_start;
@@ -1120,7 +1133,7 @@ static int tsi721_rio_map_inb_mem(struct rio_mport *mport, dma_addr_t lstart,
} else {
tsi_debug(IBW, &priv->pdev->dev,
- "Translated (RIO_0x%llx -> PCIe_0x%pad), size=0x%x",
+ "Translated (RIO_0x%llx -> PCIe_%pad), size=0x%llx",
rstart, &lstart, size);
if (!is_power_of_2(size) || size < 0x1000 ||
@@ -1215,7 +1228,7 @@ static int tsi721_rio_map_inb_mem(struct rio_mport *mport, dma_addr_t lstart,
priv->ibwin_cnt--;
tsi_debug(IBW, &priv->pdev->dev,
- "Configured IBWIN%d (RIO_0x%llx -> PCIe_0x%pad), size=0x%llx",
+ "Configured IBWIN%d (RIO_0x%llx -> PCIe_%pad), size=0x%llx",
i, ibw_start, &loc_start, ibw_size);
return 0;
@@ -1237,7 +1250,7 @@ static void tsi721_rio_unmap_inb_mem(struct rio_mport *mport,
int i;
tsi_debug(IBW, &priv->pdev->dev,
- "Unmap IBW mapped to PCIe_0x%pad", &lstart);
+ "Unmap IBW mapped to PCIe_%pad", &lstart);
/* Search for matching active inbound translation window */
for (i = 0; i < TSI721_IBWIN_NUM; i++) {
@@ -1877,6 +1890,11 @@ static int tsi721_open_outb_mbox(struct rio_mport *mport, void *dev_id,
goto out;
}
+ if ((mbox_sel & (1 << mbox)) == 0) {
+ rc = -ENODEV;
+ goto out;
+ }
+
priv->omsg_ring[mbox].dev_id = dev_id;
priv->omsg_ring[mbox].size = entries;
priv->omsg_ring[mbox].sts_rdptr = 0;
@@ -2161,6 +2179,11 @@ static int tsi721_open_inb_mbox(struct rio_mport *mport, void *dev_id,
goto out;
}
+ if ((mbox_sel & (1 << mbox)) == 0) {
+ rc = -ENODEV;
+ goto out;
+ }
+
/* Initialize IB Messaging Ring */
priv->imsg_ring[mbox].dev_id = dev_id;
priv->imsg_ring[mbox].size = entries;
@@ -2532,11 +2555,11 @@ static int tsi721_query_mport(struct rio_mport *mport,
struct tsi721_device *priv = mport->priv;
u32 rval;
- rval = ioread32(priv->regs + (0x100 + RIO_PORT_N_ERR_STS_CSR(0)));
+ rval = ioread32(priv->regs + 0x100 + RIO_PORT_N_ERR_STS_CSR(0, 0));
if (rval & RIO_PORT_N_ERR_STS_PORT_OK) {
- rval = ioread32(priv->regs + (0x100 + RIO_PORT_N_CTL2_CSR(0)));
+ rval = ioread32(priv->regs + 0x100 + RIO_PORT_N_CTL2_CSR(0, 0));
attr->link_speed = (rval & RIO_PORT_N_CTL2_SEL_BAUD) >> 28;
- rval = ioread32(priv->regs + (0x100 + RIO_PORT_N_CTL_CSR(0)));
+ rval = ioread32(priv->regs + 0x100 + RIO_PORT_N_CTL_CSR(0, 0));
attr->link_width = (rval & RIO_PORT_N_CTL_IPW) >> 27;
} else
attr->link_speed = RIO_LINK_DOWN;
@@ -2650,9 +2673,9 @@ static int tsi721_setup_mport(struct tsi721_device *priv)
mport->ops = &tsi721_rio_ops;
mport->index = 0;
mport->sys_size = 0; /* small system */
- mport->phy_type = RIO_PHY_SERIAL;
mport->priv = (void *)priv;
mport->phys_efptr = 0x100;
+ mport->phys_rmap = 1;
mport->dev.parent = &pdev->dev;
mport->dev.release = tsi721_mport_release;
@@ -2840,6 +2863,16 @@ static int tsi721_probe(struct pci_dev *pdev,
pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL,
PCI_EXP_DEVCTL_RELAX_EN | PCI_EXP_DEVCTL_NOSNOOP_EN, 0);
+ /* Override PCIe Maximum Read Request Size setting if requested */
+ if (pcie_mrrs >= 0) {
+ if (pcie_mrrs <= 5)
+ pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL,
+ PCI_EXP_DEVCTL_READRQ, pcie_mrrs << 12);
+ else
+ tsi_info(&pdev->dev,
+ "Invalid MRRS override value %d", pcie_mrrs);
+ }
+
/* Adjust PCIe completion timeout. */
pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL2, 0xf, 0x2);
diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h
index 5456dbd..5941437 100644
--- a/drivers/rapidio/devices/tsi721.h
+++ b/drivers/rapidio/devices/tsi721.h
@@ -661,7 +661,7 @@ enum dma_rtype {
*/
#define TSI721_DMA_CHNUM TSI721_DMA_MAXCH
-#define TSI721_DMACH_MAINT 0 /* DMA channel for maint requests */
+#define TSI721_DMACH_MAINT 7 /* DMA channel for maint requests */
#define TSI721_DMACH_MAINT_NBD 32 /* Number of BDs for maint requests */
#define TSI721_DMACH_DMA 1 /* DMA channel for data transfers */
diff --git a/drivers/rapidio/devices/tsi721_dma.c b/drivers/rapidio/devices/tsi721_dma.c
index 155cae1..e2a4185 100644
--- a/drivers/rapidio/devices/tsi721_dma.c
+++ b/drivers/rapidio/devices/tsi721_dma.c
@@ -36,18 +36,26 @@
#include "tsi721.h"
-#define TSI721_DMA_TX_QUEUE_SZ 16 /* number of transaction descriptors */
-
#ifdef CONFIG_PCI_MSI
static irqreturn_t tsi721_bdma_msix(int irq, void *ptr);
#endif
static int tsi721_submit_sg(struct tsi721_tx_desc *desc);
static unsigned int dma_desc_per_channel = 128;
-module_param(dma_desc_per_channel, uint, S_IWUSR | S_IRUGO);
+module_param(dma_desc_per_channel, uint, S_IRUGO);
MODULE_PARM_DESC(dma_desc_per_channel,
"Number of DMA descriptors per channel (default: 128)");
+static unsigned int dma_txqueue_sz = 16;
+module_param(dma_txqueue_sz, uint, S_IRUGO);
+MODULE_PARM_DESC(dma_txqueue_sz,
+ "DMA Transactions Queue Size (default: 16)");
+
+static u8 dma_sel = 0x7f;
+module_param(dma_sel, byte, S_IRUGO);
+MODULE_PARM_DESC(dma_sel,
+ "DMA Channel Selection Mask (default: 0x7f = all)");
+
static inline struct tsi721_bdma_chan *to_tsi721_chan(struct dma_chan *chan)
{
return container_of(chan, struct tsi721_bdma_chan, dchan);
@@ -718,6 +726,7 @@ static dma_cookie_t tsi721_tx_submit(struct dma_async_tx_descriptor *txd)
cookie = dma_cookie_assign(txd);
desc->status = DMA_IN_PROGRESS;
list_add_tail(&desc->desc_node, &bdma_chan->queue);
+ tsi721_advance_work(bdma_chan, NULL);
spin_unlock_bh(&bdma_chan->lock);
return cookie;
@@ -732,7 +741,7 @@ static int tsi721_alloc_chan_resources(struct dma_chan *dchan)
tsi_debug(DMA, &dchan->dev->device, "DMAC%d", bdma_chan->id);
if (bdma_chan->bd_base)
- return TSI721_DMA_TX_QUEUE_SZ;
+ return dma_txqueue_sz;
/* Initialize BDMA channel */
if (tsi721_bdma_ch_init(bdma_chan, dma_desc_per_channel)) {
@@ -742,7 +751,7 @@ static int tsi721_alloc_chan_resources(struct dma_chan *dchan)
}
/* Allocate queue of transaction descriptors */
- desc = kcalloc(TSI721_DMA_TX_QUEUE_SZ, sizeof(struct tsi721_tx_desc),
+ desc = kcalloc(dma_txqueue_sz, sizeof(struct tsi721_tx_desc),
GFP_ATOMIC);
if (!desc) {
tsi_err(&dchan->dev->device,
@@ -754,7 +763,7 @@ static int tsi721_alloc_chan_resources(struct dma_chan *dchan)
bdma_chan->tx_desc = desc;
- for (i = 0; i < TSI721_DMA_TX_QUEUE_SZ; i++) {
+ for (i = 0; i < dma_txqueue_sz; i++) {
dma_async_tx_descriptor_init(&desc[i].txd, dchan);
desc[i].txd.tx_submit = tsi721_tx_submit;
desc[i].txd.flags = DMA_CTRL_ACK;
@@ -766,7 +775,7 @@ static int tsi721_alloc_chan_resources(struct dma_chan *dchan)
bdma_chan->active = true;
tsi721_bdma_interrupt_enable(bdma_chan, 1);
- return TSI721_DMA_TX_QUEUE_SZ;
+ return dma_txqueue_sz;
}
static void tsi721_sync_dma_irq(struct tsi721_bdma_chan *bdma_chan)
@@ -962,7 +971,7 @@ void tsi721_dma_stop_all(struct tsi721_device *priv)
int i;
for (i = 0; i < TSI721_DMA_MAXCH; i++) {
- if (i != TSI721_DMACH_MAINT)
+ if ((i != TSI721_DMACH_MAINT) && (dma_sel & (1 << i)))
tsi721_dma_stop(&priv->bdma[i]);
}
}
@@ -979,7 +988,7 @@ int tsi721_register_dma(struct tsi721_device *priv)
for (i = 0; i < TSI721_DMA_MAXCH; i++) {
struct tsi721_bdma_chan *bdma_chan = &priv->bdma[i];
- if (i == TSI721_DMACH_MAINT)
+ if ((i == TSI721_DMACH_MAINT) || (dma_sel & (1 << i)) == 0)
continue;
bdma_chan->regs = priv->regs + TSI721_DMAC_BASE(i);
generated by cgit v0.10.2 at 2024-07-02 07:27:09 (GMT)