Change lots of static variable to mport private. And add mport to some
function declaration.

Signed-off-by: Zhang Wei
---
arch/powerpc/sysdev/fsl_rio.c | 353 +++++++++++++++++++++++------------------
drivers/rapidio/rio-access.c | 10 +-
include/linux/rio.h | 18 ++-
3 files changed, 218 insertions(+), 163 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 36c4be4..3907a2c 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1,6 +1,9 @@
/*
* Freescale MPC85xx/MPC86xx RapidIO support
*
+ * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc.
+ * Zhang Wei
+ *
* Copyright 2005 MontaVista Software, Inc.
* Matt Porter
*
@@ -20,6 +23,11 @@

#include

+/* RapidIO definition irq, which read from OF-tree */
+#define IRQ_RIO_BELL(m) (((struct rio_priv *)(m->priv))->bellirq)
+#define IRQ_RIO_TX(m) (((struct rio_priv *)(m->priv))->txirq)
+#define IRQ_RIO_RX(m) (((struct rio_priv *)(m->priv))->rxirq)
+
#define RIO_REGS_BASE (CCSRBAR + 0xc0000)
#define RIO_ATMU_REGS_OFFSET 0x10c00
#define RIO_MSG_REGS_OFFSET 0x11000
@@ -112,20 +120,12 @@ struct rio_tx_desc {
u32 res4;
};

-static u32 regs_win;
-static struct rio_atmu_regs *atmu_regs;
-static struct rio_atmu_regs *maint_atmu_regs;
-static struct rio_atmu_regs *dbell_atmu_regs;
-static u32 dbell_win;
-static u32 maint_win;
-static struct rio_msg_regs *msg_regs;
-
-static struct rio_dbell_ring {
+struct rio_dbell_ring {
void *virt;
dma_addr_t phys;
-} dbell_ring;
+};

-static struct rio_msg_tx_ring {
+struct rio_msg_tx_ring {
void *virt;
dma_addr_t phys;
void *virt_buffer[RIO_MAX_TX_RING_SIZE];
@@ -133,16 +133,32 @@ static struct rio_msg_tx_ring {
int tx_slot;
int size;
void *dev_id;
-} msg_tx_ring;
+};

-static struct rio_msg_rx_ring {
+struct rio_msg_rx_ring {
void *virt;
dma_addr_t phys;
void *virt_buffer[RIO_MAX_RX_RING_SIZE];
int rx_slot;
int size;
void *dev_id;
-} msg_rx_ring;
+};
+
+struct rio_priv {
+ void __iomem *regs_win;
+ struct rio_atmu_regs __iomem *atmu_regs;
+ struct rio_atmu_regs __iomem *maint_atmu_regs;
+ struct rio_atmu_regs __iomem *dbell_atmu_regs;
+ void __iomem *dbell_win;
+ void __iomem *maint_win;
+ struct rio_msg_regs __iomem *msg_regs;
+ struct rio_dbell_ring dbell_ring;
+ struct rio_msg_tx_ring msg_tx_ring;
+ struct rio_msg_rx_ring msg_rx_ring;
+ int bellirq;
+ int txirq;
+ int rxirq;
+};

/**
* fsl_rio_doorbell_send - Send a MPC85xx doorbell message
@@ -153,12 +169,14 @@ static struct rio_msg_rx_ring {
* Sends a MPC85xx doorbell message. Returns %0 on success or
* %-EINVAL on failure.
*/
-static int fsl_rio_doorbell_send(int index, u16 destid, u16 data)
+static int fsl_rio_doorbell_send(struct rio_mport *mport,
+ int index, u16 destid, u16 data)
{
+ struct rio_priv *priv = mport->priv;
pr_debug("fsl_doorbell_send: index %d destid %4.4x data %4.4x\n",
index, destid, data);
- out_be32((void *)&dbell_atmu_regs->rowtar, destid << 22);
- out_be16((void *)(dbell_win), data);
+ out_be32(&priv->dbell_atmu_regs->rowtar, destid << 22);
+ out_be16(priv->dbell_win, data);

return 0;
}
@@ -173,11 +191,13 @@ static int fsl_rio_doorbell_send(int index, u16 destid, u16 data)
* Generates a MPC85xx local configuration space read. Returns %0 on
* success or %-EINVAL on failure.
*/
-static int fsl_local_config_read(int index, u32 offset, int len, u32 * data)
+static int fsl_local_config_read(struct rio_mport *mport,
+ int index, u32 offset, int len, u32 * data)
{
+ struct rio_priv *priv = mport->priv;
pr_debug("fsl_local_config_read: index %d offset %8.8x\n", index,
offset);
- *data = in_be32((void *)(regs_win + offset));
+ *data = in_be32(priv->regs_win + offset);

return 0;
}
@@ -192,12 +212,14 @@ static int fsl_local_config_read(int index, u32 offset, int len, u32 * data)
* Generates a MPC85xx local configuration space write. Returns %0 on
* success or %-EINVAL on failure.
*/
-static int fsl_local_config_write(int index, u32 offset, int len, u32 data)
+static int fsl_local_config_write(struct rio_mport *mport,
+ int index, u32 offset, int len, u32 data)
{
+ struct rio_priv *priv = mport->priv;
pr_debug
("fsl_local_config_write: index %d offset %8.8x data %8.8x\n",
index, offset, data);
- out_be32((void *)(regs_win + offset), data);
+ out_be32(priv->regs_win + offset, data);

return 0;
}
@@ -215,18 +237,19 @@ static int fsl_local_config_write(int index, u32 offset, int len, u32 data)
* success or %-EINVAL on failure.
*/
static int
-fsl_rio_config_read(int index, u16 destid, u8 hopcount, u32 offset, int len,
- u32 * val)
+fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid,
+ u8 hopcount, u32 offset, int len, u32 * val)
{
+ struct rio_priv *priv = mport->priv;
u8 *data;

pr_debug
("fsl_rio_config_read: index %d destid %d hopcount %d offset %8.8x len %d\n",
index, destid, hopcount, offset, len);
- out_be32((void *)&maint_atmu_regs->rowtar,
+ out_be32(&priv->maint_atmu_regs->rowtar,
(destid << 22) | (hopcount << 12) | ((offset & ~0x3) >> 9));

- data = (u8 *) maint_win + offset;
+ data = (u8 *) priv->maint_win + offset;
switch (len) {
case 1:
*val = in_8((u8 *) data);
@@ -255,17 +278,18 @@ fsl_rio_config_read(int index, u16 destid, u8 hopcount, u32 offset, int len,
* success or %-EINVAL on failure.
*/
static int
-fsl_rio_config_write(int index, u16 destid, u8 hopcount, u32 offset,
- int len, u32 val)
+fsl_rio_config_write(struct rio_mport *mport, int index, u16 destid,
+ u8 hopcount, u32 offset, int len, u32 val)
{
+ struct rio_priv *priv = mport->priv;
u8 *data;
pr_debug
("fsl_rio_config_write: index %d destid %d hopcount %d offset %8.8x len %d val %8.8x\n",
index, destid, hopcount, offset, len, val);
- out_be32((void *)&maint_atmu_regs->rowtar,
+ out_be32(&priv->maint_atmu_regs->rowtar,
(destid << 22) | (hopcount << 12) | ((offset & ~0x3) >> 9));

- data = (u8 *) maint_win + offset;
+ data = (u8 *) priv->maint_win + offset;
switch (len) {
case 1:
out_8((u8 *) data, val);
@@ -296,9 +320,10 @@ int
rio_hw_add_outb_message(struct rio_mport *mport, struct rio_dev *rdev, int mbox,
void *buffer, size_t len)
{
+ struct rio_priv *priv = mport->priv;
u32 omr;
- struct rio_tx_desc *desc =
- (struct rio_tx_desc *)msg_tx_ring.virt + msg_tx_ring.tx_slot;
+ struct rio_tx_desc *desc = (struct rio_tx_desc *)priv->msg_tx_ring.virt
+ + priv->msg_tx_ring.tx_slot;
int ret = 0;

pr_debug
@@ -311,11 +336,11 @@ rio_hw_add_outb_message(struct rio_mport *mport, struct rio_dev *rdev, int mbox,
}

/* Copy and clear rest of buffer */
- memcpy(msg_tx_ring.virt_buffer[msg_tx_ring.tx_slot], buffer, len);
+ memcpy(priv->msg_tx_ring.virt_buffer[priv->msg_tx_ring.tx_slot], buffer,
+ len);
if (len < (RIO_MAX_MSG_SIZE - 4))
- memset((void *)((u32) msg_tx_ring.
- virt_buffer[msg_tx_ring.tx_slot] + len), 0,
- RIO_MAX_MSG_SIZE - len);
+ memset(priv->msg_tx_ring.virt_buffer[priv->msg_tx_ring.tx_slot]
+ + len, 0, RIO_MAX_MSG_SIZE - len);

/* Set mbox field for message */
desc->dport = mbox & 0x3;
@@ -327,15 +352,16 @@ rio_hw_add_outb_message(struct rio_mport *mport, struct rio_dev *rdev, int mbox,
desc->dwcnt = is_power_of_2(len) ? len : 1 << get_bitmask_order(len);

/* Set snooping and source buffer address */
- desc->saddr = 0x00000004 | msg_tx_ring.phys_buffer[msg_tx_ring.tx_slot];
+ desc->saddr = 0x00000004
+ | priv->msg_tx_ring.phys_buffer[priv->msg_tx_ring.tx_slot];

/* Increment enqueue pointer */
- omr = in_be32((void *)&msg_regs->omr);
- out_be32((void *)&msg_regs->omr, omr | RIO_MSG_OMR_MUI);
+ omr = in_be32(&priv->msg_regs->omr);
+ out_be32(&priv->msg_regs->omr, omr | RIO_MSG_OMR_MUI);

/* Go to next descriptor */
- if (++msg_tx_ring.tx_slot == msg_tx_ring.size)
- msg_tx_ring.tx_slot = 0;
+ if (++priv->msg_tx_ring.tx_slot == priv->msg_tx_ring.size)
+ priv->msg_tx_ring.tx_slot = 0;

out:
return ret;
@@ -356,28 +382,30 @@ fsl_rio_tx_handler(int irq, void *dev_instance)
{
int osr;
struct rio_mport *port = (struct rio_mport *)dev_instance;
+ struct rio_priv *priv = port->priv;

- osr = in_be32((void *)&msg_regs->osr);
+ osr = in_be32(&priv->msg_regs->osr);

if (osr & RIO_MSG_OSR_TE) {
pr_info("RIO: outbound message transmission error\n");
- out_be32((void *)&msg_regs->osr, RIO_MSG_OSR_TE);
+ out_be32(&priv->msg_regs->osr, RIO_MSG_OSR_TE);
goto out;
}

if (osr & RIO_MSG_OSR_QOI) {
pr_info("RIO: outbound message queue overflow\n");
- out_be32((void *)&msg_regs->osr, RIO_MSG_OSR_QOI);
+ out_be32(&priv->msg_regs->osr, RIO_MSG_OSR_QOI);
goto out;
}

if (osr & RIO_MSG_OSR_EOMI) {
- u32 dqp = in_be32((void *)&msg_regs->odqdpar);
- int slot = (dqp - msg_tx_ring.phys) >> 5;
- port->outb_msg[0].mcback(port, msg_tx_ring.dev_id, -1, slot);
+ u32 dqp = in_be32(&priv->msg_regs->odqdpar);
+ int slot = (dqp - priv->msg_tx_ring.phys) >> 5;
+ port->outb_msg[0].mcback(port, priv->msg_tx_ring.dev_id, -1,
+ slot);

/* Ack the end-of-message interrupt */
- out_be32((void *)&msg_regs->osr, RIO_MSG_OSR_EOMI);
+ out_be32(&priv->msg_regs->osr, RIO_MSG_OSR_EOMI);
}

out:
@@ -398,6 +426,7 @@ fsl_rio_tx_handler(int irq, void *dev_instance)
int rio_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries)
{
int i, j, rc = 0;
+ struct rio_priv *priv = mport->priv;

if ((entries < RIO_MIN_TX_RING_SIZE) ||
(entries > RIO_MAX_TX_RING_SIZE) || (!is_power_of_2(entries))) {
@@ -406,53 +435,54 @@ int rio_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entr
}

/* Initialize shadow copy ring */
- msg_tx_ring.dev_id = dev_id;
- msg_tx_ring.size = entries;
+ priv->msg_tx_ring.dev_id = dev_id;
+ priv->msg_tx_ring.size = entries;

- for (i = 0; i < msg_tx_ring.size; i++) {
+ for (i = 0; i < priv->msg_tx_ring.size; i++) {
if (!
- (msg_tx_ring.virt_buffer[i] =
+ (priv->msg_tx_ring.virt_buffer[i] =
dma_alloc_coherent(NULL, RIO_MSG_BUFFER_SIZE,
- &msg_tx_ring.phys_buffer[i],
+ &priv->msg_tx_ring.phys_buffer[i],
GFP_KERNEL))) {
rc = -ENOMEM;
- for (j = 0; j < msg_tx_ring.size; j++)
- if (msg_tx_ring.virt_buffer[j])
+ for (j = 0; j < priv->msg_tx_ring.size; j++)
+ if (priv->msg_tx_ring.virt_buffer[j])
dma_free_coherent(NULL,
RIO_MSG_BUFFER_SIZE,
- msg_tx_ring.
+ priv->msg_tx_ring.
virt_buffer[j],
- msg_tx_ring.
+ priv->msg_tx_ring.
phys_buffer[j]);
goto out;
}
}

/* Initialize outbound message descriptor ring */
- if (!(msg_tx_ring.virt = dma_alloc_coherent(NULL,
- msg_tx_ring.size *
+ if (!(priv->msg_tx_ring.virt = dma_alloc_coherent(NULL,
+ priv->msg_tx_ring.size *
RIO_MSG_DESC_SIZE,
- &msg_tx_ring.phys,
+ &priv->msg_tx_ring.phys,
GFP_KERNEL))) {
rc = -ENOMEM;
goto out_dma;
}
- memset(msg_tx_ring.virt, 0, msg_tx_ring.size * RIO_MSG_DESC_SIZE);
- msg_tx_ring.tx_slot = 0;
+ memset(priv->msg_tx_ring.virt, 0,
+ priv->msg_tx_ring.size * RIO_MSG_DESC_SIZE);
+ priv->msg_tx_ring.tx_slot = 0;

/* Point dequeue/enqueue pointers at first entry in ring */
- out_be32((void *)&msg_regs->odqdpar, msg_tx_ring.phys);
- out_be32((void *)&msg_regs->odqepar, msg_tx_ring.phys);
+ out_be32(&priv->msg_regs->odqdpar, priv->msg_tx_ring.phys);
+ out_be32(&priv->msg_regs->odqepar, priv->msg_tx_ring.phys);

/* Configure for snooping */
- out_be32((void *)&msg_regs->osar, 0x00000004);
+ out_be32(&priv->msg_regs->osar, 0x00000004);

/* Clear interrupt status */
- out_be32((void *)&msg_regs->osr, 0x000000b3);
+ out_be32(&priv->msg_regs->osr, 0x000000b3);

/* Hook up outbound message handler */
if ((rc =
- request_irq(MPC85xx_IRQ_RIO_TX, fsl_rio_tx_handler, 0,
+ request_irq(IRQ_RIO_TX(mport), fsl_rio_tx_handler, 0,
"msg_tx", (void *)mport)) < 0)
goto out_irq;

@@ -463,28 +493,28 @@ int rio_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entr
* Chaining mode
* Disable
*/
- out_be32((void *)&msg_regs->omr, 0x00100220);
+ out_be32(&priv->msg_regs->omr, 0x00100220);

/* Set number of entries */
- out_be32((void *)&msg_regs->omr,
- in_be32((void *)&msg_regs->omr) |
+ out_be32(&priv->msg_regs->omr,
+ in_be32(&priv->msg_regs->omr) |
((get_bitmask_order(entries) - 2) << 12));

/* Now enable the unit */
- out_be32((void *)&msg_regs->omr, in_be32((void *)&msg_regs->omr) | 0x1);
+ out_be32(&priv->msg_regs->omr, in_be32(&priv->msg_regs->omr) | 0x1);

out:
return rc;

out_irq:
- dma_free_coherent(NULL, msg_tx_ring.size * RIO_MSG_DESC_SIZE,
- msg_tx_ring.virt, msg_tx_ring.phys);
+ dma_free_coherent(NULL, priv->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
+ priv->msg_tx_ring.virt, priv->msg_tx_ring.phys);

out_dma:
- for (i = 0; i < msg_tx_ring.size; i++)
+ for (i = 0; i < priv->msg_tx_ring.size; i++)
dma_free_coherent(NULL, RIO_MSG_BUFFER_SIZE,
- msg_tx_ring.virt_buffer[i],
- msg_tx_ring.phys_buffer[i]);
+ priv->msg_tx_ring.virt_buffer[i],
+ priv->msg_tx_ring.phys_buffer[i]);

return rc;
}
@@ -499,15 +529,16 @@ int rio_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entr
*/
void rio_close_outb_mbox(struct rio_mport *mport, int mbox)
{
+ struct rio_priv *priv = mport->priv;
/* Disable inbound message unit */
- out_be32((void *)&msg_regs->omr, 0);
+ out_be32(&priv->msg_regs->omr, 0);

/* Free ring */
- dma_free_coherent(NULL, msg_tx_ring.size * RIO_MSG_DESC_SIZE,
- msg_tx_ring.virt, msg_tx_ring.phys);
+ dma_free_coherent(NULL, priv->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
+ priv->msg_tx_ring.virt, priv->msg_tx_ring.phys);

/* Free interrupt */
- free_irq(MPC85xx_IRQ_RIO_TX, (void *)mport);
+ free_irq(IRQ_RIO_TX(mport), (void *)mport);
}

/**
@@ -523,12 +554,13 @@ fsl_rio_rx_handler(int irq, void *dev_instance)
{
int isr;
struct rio_mport *port = (struct rio_mport *)dev_instance;
+ struct rio_priv *priv = port->priv;

- isr = in_be32((void *)&msg_regs->isr);
+ isr = in_be32(&priv->msg_regs->isr);

if (isr & RIO_MSG_ISR_TE) {
pr_info("RIO: inbound message reception error\n");
- out_be32((void *)&msg_regs->isr, RIO_MSG_ISR_TE);
+ out_be32((void *)&priv->msg_regs->isr, RIO_MSG_ISR_TE);
goto out;
}

@@ -540,10 +572,10 @@ fsl_rio_rx_handler(int irq, void *dev_instance)
* make the callback with an unknown/invalid mailbox number
* argument.
*/
- port->inb_msg[0].mcback(port, msg_rx_ring.dev_id, -1, -1);
+ port->inb_msg[0].mcback(port, priv->msg_rx_ring.dev_id, -1, -1);

/* Ack the queueing interrupt */
- out_be32((void *)&msg_regs->isr, RIO_MSG_ISR_DIQI);
+ out_be32(&priv->msg_regs->isr, RIO_MSG_ISR_DIQI);
}

out:
@@ -564,6 +596,7 @@ fsl_rio_rx_handler(int irq, void *dev_instance)
int rio_open_inb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries)
{
int i, rc = 0;
+ struct rio_priv *priv = mport->priv;

if ((entries < RIO_MIN_RX_RING_SIZE) ||
(entries > RIO_MAX_RX_RING_SIZE) || (!is_power_of_2(entries))) {
@@ -572,36 +605,36 @@ int rio_open_inb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entri
}

/* Initialize client buffer ring */
- msg_rx_ring.dev_id = dev_id;
- msg_rx_ring.size = entries;
- msg_rx_ring.rx_slot = 0;
- for (i = 0; i < msg_rx_ring.size; i++)
- msg_rx_ring.virt_buffer[i] = NULL;
+ priv->msg_rx_ring.dev_id = dev_id;
+ priv->msg_rx_ring.size = entries;
+ priv->msg_rx_ring.rx_slot = 0;
+ for (i = 0; i < priv->msg_rx_ring.size; i++)
+ priv->msg_rx_ring.virt_buffer[i] = NULL;

/* Initialize inbound message ring */
- if (!(msg_rx_ring.virt = dma_alloc_coherent(NULL,
- msg_rx_ring.size *
+ if (!(priv->msg_rx_ring.virt = dma_alloc_coherent(NULL,
+ priv->msg_rx_ring.size *
RIO_MAX_MSG_SIZE,
- &msg_rx_ring.phys,
+ &priv->msg_rx_ring.phys,
GFP_KERNEL))) {
rc = -ENOMEM;
goto out;
}

/* Point dequeue/enqueue pointers at first entry in ring */
- out_be32((void *)&msg_regs->ifqdpar, (u32) msg_rx_ring.phys);
- out_be32((void *)&msg_regs->ifqepar, (u32) msg_rx_ring.phys);
+ out_be32(&priv->msg_regs->ifqdpar, (u32) priv->msg_rx_ring.phys);
+ out_be32(&priv->msg_regs->ifqepar, (u32) priv->msg_rx_ring.phys);

/* Clear interrupt status */
- out_be32((void *)&msg_regs->isr, 0x00000091);
+ out_be32(&priv->msg_regs->isr, 0x00000091);

/* Hook up inbound message handler */
if ((rc =
- request_irq(MPC85xx_IRQ_RIO_RX, fsl_rio_rx_handler, 0,
+ request_irq(IRQ_RIO_RX(mport), fsl_rio_rx_handler, 0,
"msg_rx", (void *)mport)) < 0) {
dma_free_coherent(NULL, RIO_MSG_BUFFER_SIZE,
- msg_tx_ring.virt_buffer[i],
- msg_tx_ring.phys_buffer[i]);
+ priv->msg_tx_ring.virt_buffer[i],
+ priv->msg_tx_ring.phys_buffer[i]);
goto out;
}

@@ -612,15 +645,13 @@ int rio_open_inb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entri
* Unmask all interrupt sources
* Disable
*/
- out_be32((void *)&msg_regs->imr, 0x001b0060);
+ out_be32(&priv->msg_regs->imr, 0x001b0060);

/* Set number of queue entries */
- out_be32((void *)&msg_regs->imr,
- in_be32((void *)&msg_regs->imr) |
- ((get_bitmask_order(entries) - 2) << 12));
+ setbits32(&priv->msg_regs->imr, (get_bitmask_order(entries) - 2) << 12);

/* Now enable the unit */
- out_be32((void *)&msg_regs->imr, in_be32((void *)&msg_regs->imr) | 0x1);
+ setbits32(&priv->msg_regs->imr, 0x1);

out:
return rc;
@@ -636,15 +667,16 @@ int rio_open_inb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entri
*/
void rio_close_inb_mbox(struct rio_mport *mport, int mbox)
{
+ struct rio_priv *priv = mport->priv;
/* Disable inbound message unit */
- out_be32((void *)&msg_regs->imr, 0);
+ out_be32(&priv->msg_regs->imr, 0);

/* Free ring */
- dma_free_coherent(NULL, msg_rx_ring.size * RIO_MAX_MSG_SIZE,
- msg_rx_ring.virt, msg_rx_ring.phys);
+ dma_free_coherent(NULL, priv->msg_rx_ring.size * RIO_MAX_MSG_SIZE,
+ priv->msg_rx_ring.virt, priv->msg_rx_ring.phys);

/* Free interrupt */
- free_irq(MPC85xx_IRQ_RIO_RX, (void *)mport);
+ free_irq(IRQ_RIO_RX(mport), (void *)mport);
}

/**
@@ -659,21 +691,22 @@ void rio_close_inb_mbox(struct rio_mport *mport, int mbox)
int rio_hw_add_inb_buffer(struct rio_mport *mport, int mbox, void *buf)
{
int rc = 0;
+ struct rio_priv *priv = mport->priv;

pr_debug("RIO: rio_hw_add_inb_buffer(), msg_rx_ring.rx_slot %d\n",
- msg_rx_ring.rx_slot);
+ priv->msg_rx_ring.rx_slot);

- if (msg_rx_ring.virt_buffer[msg_rx_ring.rx_slot]) {
+ if (priv->msg_rx_ring.virt_buffer[priv->msg_rx_ring.rx_slot]) {
printk(KERN_ERR
"RIO: error adding inbound buffer %d, buffer exists\n",
- msg_rx_ring.rx_slot);
+ priv->msg_rx_ring.rx_slot);
rc = -EINVAL;
goto out;
}

- msg_rx_ring.virt_buffer[msg_rx_ring.rx_slot] = buf;
- if (++msg_rx_ring.rx_slot == msg_rx_ring.size)
- msg_rx_ring.rx_slot = 0;
+ priv->msg_rx_ring.virt_buffer[priv->msg_rx_ring.rx_slot] = buf;
+ if (++priv->msg_rx_ring.rx_slot == priv->msg_rx_ring.size)
+ priv->msg_rx_ring.rx_slot = 0;

out:
return rc;
@@ -691,20 +724,20 @@ EXPORT_SYMBOL_GPL(rio_hw_add_inb_buffer);
*/
void *rio_hw_get_inb_message(struct rio_mport *mport, int mbox)
{
- u32 imr;
+ struct rio_priv *priv = mport->priv;
u32 phys_buf, virt_buf;
void *buf = NULL;
int buf_idx;

- phys_buf = in_be32((void *)&msg_regs->ifqdpar);
+ phys_buf = in_be32(&priv->msg_regs->ifqdpar);

/* If no more messages, then bail out */
- if (phys_buf == in_be32((void *)&msg_regs->ifqepar))
+ if (phys_buf == in_be32(&priv->msg_regs->ifqepar))
goto out2;

- virt_buf = (u32) msg_rx_ring.virt + (phys_buf - msg_rx_ring.phys);
- buf_idx = (phys_buf - msg_rx_ring.phys) / RIO_MAX_MSG_SIZE;
- buf = msg_rx_ring.virt_buffer[buf_idx];
+ virt_buf = (u32) priv->msg_rx_ring.virt + (phys_buf - priv->msg_rx_ring.phys);
+ buf_idx = (phys_buf - priv->msg_rx_ring.phys) / RIO_MAX_MSG_SIZE;
+ buf = priv->msg_rx_ring.virt_buffer[buf_idx];

if (!buf) {
printk(KERN_ERR
@@ -716,11 +749,10 @@ void *rio_hw_get_inb_message(struct rio_mport *mport, int mbox)
memcpy(buf, (void *)virt_buf, RIO_MAX_MSG_SIZE);

/* Clear the available buffer */
- msg_rx_ring.virt_buffer[buf_idx] = NULL;
+ priv->msg_rx_ring.virt_buffer[buf_idx] = NULL;

out1:
- imr = in_be32((void *)&msg_regs->imr);
- out_be32((void *)&msg_regs->imr, imr | RIO_MSG_IMR_MI);
+ setbits32(&priv->msg_regs->imr, RIO_MSG_IMR_MI);

out2:
return buf;
@@ -741,27 +773,27 @@ fsl_rio_dbell_handler(int irq, void *dev_instance)
{
int dsr;
struct rio_mport *port = (struct rio_mport *)dev_instance;
+ struct rio_priv *priv = port->priv;

- dsr = in_be32((void *)&msg_regs->dsr);
+ dsr = in_be32(&priv->msg_regs->dsr);

if (dsr & DOORBELL_DSR_TE) {
pr_info("RIO: doorbell reception error\n");
- out_be32((void *)&msg_regs->dsr, DOORBELL_DSR_TE);
+ out_be32(&priv->msg_regs->dsr, DOORBELL_DSR_TE);
goto out;
}

if (dsr & DOORBELL_DSR_QFI) {
pr_info("RIO: doorbell queue full\n");
- out_be32((void *)&msg_regs->dsr, DOORBELL_DSR_QFI);
+ out_be32(&priv->msg_regs->dsr, DOORBELL_DSR_QFI);
goto out;
}

/* XXX Need to check/dispatch until queue empty */
if (dsr & DOORBELL_DSR_DIQI) {
u32 dmsg =
- (u32) dbell_ring.virt +
- (in_be32((void *)&msg_regs->dqdpar) & 0xfff);
- u32 dmr;
+ (u32) priv->dbell_ring.virt +
+ (in_be32(&priv->msg_regs->dqdpar) & 0xfff);
struct rio_dbell *dbell;
int found = 0;

@@ -784,9 +816,8 @@ fsl_rio_dbell_handler(int irq, void *dev_instance)
("RIO: spurious doorbell, sid %2.2x tid %2.2x info %4.4x\n",
DBELL_SID(dmsg), DBELL_TID(dmsg), DBELL_INF(dmsg));
}
- dmr = in_be32((void *)&msg_regs->dmr);
- out_be32((void *)&msg_regs->dmr, dmr | DOORBELL_DMR_DI);
- out_be32((void *)&msg_regs->dsr, DOORBELL_DSR_DIQI);
+ setbits32(&priv->msg_regs->dmr, DOORBELL_DMR_DI);
+ out_be32(&priv->msg_regs->dsr, DOORBELL_DSR_DIQI);
}

out:
@@ -803,10 +834,11 @@ fsl_rio_dbell_handler(int irq, void *dev_instance)
*/
static int fsl_rio_doorbell_init(struct rio_mport *mport)
{
+ struct rio_priv *priv = mport->priv;
int rc = 0;

/* Map outbound doorbell window immediately after maintenance window */
- if (!(dbell_win =
+ if (!(priv->dbell_win =
(u32) ioremap(mport->iores.start + RIO_MAINT_WIN_SIZE,
RIO_DBELL_WIN_SIZE))) {
printk(KERN_ERR
@@ -816,37 +848,37 @@ static int fsl_rio_doorbell_init(struct rio_mport *mport)
}

/* Initialize inbound doorbells */
- if (!(dbell_ring.virt = dma_alloc_coherent(NULL,
+ if (!(priv->dbell_ring.virt = dma_alloc_coherent(NULL,
512 * DOORBELL_MESSAGE_SIZE,
- &dbell_ring.phys,
+ &priv->dbell_ring.phys,
GFP_KERNEL))) {
printk(KERN_ERR "RIO: unable allocate inbound doorbell ring\n");
rc = -ENOMEM;
- iounmap((void *)dbell_win);
+ iounmap(priv->dbell_win);
goto out;
}

/* Point dequeue/enqueue pointers at first entry in ring */
- out_be32((void *)&msg_regs->dqdpar, (u32) dbell_ring.phys);
- out_be32((void *)&msg_regs->dqepar, (u32) dbell_ring.phys);
+ out_be32(&priv->msg_regs->dqdpar, (u32) priv->dbell_ring.phys);
+ out_be32(&priv->msg_regs->dqepar, (u32) priv->dbell_ring.phys);

/* Clear interrupt status */
- out_be32((void *)&msg_regs->dsr, 0x00000091);
+ out_be32(&priv->msg_regs->dsr, 0x00000091);

/* Hook up doorbell handler */
if ((rc =
- request_irq(MPC85xx_IRQ_RIO_BELL, fsl_rio_dbell_handler, 0,
+ request_irq(IRQ_RIO_BELL(mport), fsl_rio_dbell_handler, 0,
"dbell_rx", (void *)mport) < 0)) {
- iounmap((void *)dbell_win);
+ iounmap(priv->dbell_win);
dma_free_coherent(NULL, 512 * DOORBELL_MESSAGE_SIZE,
- dbell_ring.virt, dbell_ring.phys);
+ priv->dbell_ring.virt, priv->dbell_ring.phys);
printk(KERN_ERR
"MPC85xx RIO: unable to request inbound doorbell irq");
goto out;
}

/* Configure doorbells for snooping, 512 entries, and enable */
- out_be32((void *)&msg_regs->dmr, 0x00108161);
+ out_be32(&priv->msg_regs->dmr, 0x00108161);

out:
return rc;
@@ -887,6 +919,8 @@ void fsl_rio_setup(int law_start, int law_size)
{
struct rio_ops *ops;
struct rio_mport *port;
+ struct rio_priv *priv = NULL;
+ int rc;

ops = kmalloc(sizeof(struct rio_ops), GFP_KERNEL);
ops->lcread = fsl_local_config_read;
@@ -898,6 +932,14 @@ void fsl_rio_setup(int law_start, int law_size)
port = kmalloc(sizeof(struct rio_mport), GFP_KERNEL);
port->id = 0;
port->index = 0;
+
+ priv = kzalloc(sizeof(struct rio_priv), GFP_KERNEL);
+ if (!priv) {
+ printk(KERN_ERR "Can't alloc memory for 'priv'\n");
+ rc = -ENOMEM;
+ goto err;
+ }
+
INIT_LIST_HEAD(&port->dbells);
port->iores.start = law_start;
port->iores.end = law_start + law_size;
@@ -911,22 +953,31 @@ void fsl_rio_setup(int law_start, int law_size)
port->ops = ops;
port->host_deviceid = fsl_rio_get_hdid(port->id);

+ port->priv = priv;
rio_register_mport(port);

- regs_win = (u32) ioremap(RIO_REGS_BASE, 0x20000);
- atmu_regs = (struct rio_atmu_regs *)(regs_win + RIO_ATMU_REGS_OFFSET);
- maint_atmu_regs = atmu_regs + 1;
- dbell_atmu_regs = atmu_regs + 2;
- msg_regs = (struct rio_msg_regs *)(regs_win + RIO_MSG_REGS_OFFSET);
+ priv->regs_win = (u32) ioremap(RIO_REGS_BASE, 0x20000);
+ priv->atmu_regs = (struct rio_atmu_regs *)(priv->regs_win
+ + RIO_ATMU_REGS_OFFSET);
+ priv->maint_atmu_regs = priv->atmu_regs + 1;
+ priv->dbell_atmu_regs = priv->atmu_regs + 2;
+ priv->msg_regs = (struct rio_msg_regs *)(priv->regs_win + RIO_MSG_REGS_OFFSET);

/* Configure maintenance transaction window */
- out_be32((void *)&maint_atmu_regs->rowbar, 0x000c0000);
- out_be32((void *)&maint_atmu_regs->rowar, 0x80077015);
+ out_be32(&priv->maint_atmu_regs->rowbar, 0x000c0000);
+ out_be32(&priv->maint_atmu_regs->rowar, 0x80077015);

- maint_win = (u32) ioremap(law_start, RIO_MAINT_WIN_SIZE);
+ priv->maint_win = (u32) ioremap(law_start, RIO_MAINT_WIN_SIZE);

/* Configure outbound doorbell window */
- out_be32((void *)&dbell_atmu_regs->rowbar, 0x000c0400);
- out_be32((void *)&dbell_atmu_regs->rowar, 0x8004200b);
+ out_be32(&priv->dbell_atmu_regs->rowbar, 0x000c0400);
+ out_be32(&priv->dbell_atmu_regs->rowar, 0x8004200b);
fsl_rio_doorbell_init(port);
+
+ return;
+err:
+ if (priv)
+ iounmap(priv->regs_win);
+ kfree(priv);
+ kfree(port);
}
diff --git a/drivers/rapidio/rio-access.c b/drivers/rapidio/rio-access.c
index 8b56bbd..a3824ba 100644
--- a/drivers/rapidio/rio-access.c
+++ b/drivers/rapidio/rio-access.c
@@ -48,7 +48,7 @@ int __rio_local_read_config_##size \
u32 data = 0; \
if (RIO_##size##_BAD) return RIO_BAD_SIZE; \
spin_lock_irqsave(&rio_config_lock, flags); \
- res = mport->ops->lcread(mport->id, offset, len, &data); \
+ res = mport->ops->lcread(mport, mport->id, offset, len, &data); \
*value = (type)data; \
spin_unlock_irqrestore(&rio_config_lock, flags); \
return res; \
@@ -71,7 +71,7 @@ int __rio_local_write_config_##size \
unsigned long flags; \
if (RIO_##size##_BAD) return RIO_BAD_SIZE; \
spin_lock_irqsave(&rio_config_lock, flags); \
- res = mport->ops->lcwrite(mport->id, offset, len, value); \
+ res = mport->ops->lcwrite(mport, mport->id, offset, len, value);\
spin_unlock_irqrestore(&rio_config_lock, flags); \
return res; \
}
@@ -108,7 +108,7 @@ int rio_mport_read_config_##size \
u32 data = 0; \
if (RIO_##size##_BAD) return RIO_BAD_SIZE; \
spin_lock_irqsave(&rio_config_lock, flags); \
- res = mport->ops->cread(mport->id, destid, hopcount, offset, len, &data); \
+ res = mport->ops->cread(mport, mport->id, destid, hopcount, offset, len, &data); \
*value = (type)data; \
spin_unlock_irqrestore(&rio_config_lock, flags); \
return res; \
@@ -131,7 +131,7 @@ int rio_mport_write_config_##size \
unsigned long flags; \
if (RIO_##size##_BAD) return RIO_BAD_SIZE; \
spin_lock_irqsave(&rio_config_lock, flags); \
- res = mport->ops->cwrite(mport->id, destid, hopcount, offset, len, value); \
+ res = mport->ops->cwrite(mport, mport->id, destid, hopcount, offset, len, value); \
spin_unlock_irqrestore(&rio_config_lock, flags); \
return res; \
}
@@ -166,7 +166,7 @@ int rio_mport_send_doorbell(struct rio_mport *mport, u16 destid, u16 data)
unsigned long flags;

spin_lock_irqsave(&rio_doorbell_lock, flags);
- res = mport->ops->dsend(mport->id, destid, data);
+ res = mport->ops->dsend(mport, mport->id, destid, data);
spin_unlock_irqrestore(&rio_doorbell_lock, flags);

return res;
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 68e3f68..9ed78dc 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -163,6 +163,7 @@ struct rio_dbell {
* @id: Port ID, unique among all ports
* @index: Port index, unique among all port interfaces of the same type
* @name: Port name string
+ * @priv: Master port private data
*/
struct rio_mport {
struct list_head dbells; /* list of doorbell events */
@@ -178,6 +179,7 @@ struct rio_mport {
unsigned char index; /* port index, unique among all port
interfaces of the same type */
unsigned char name[40];
+ void *priv; /* Master port private data */
};

/**
@@ -229,13 +231,15 @@ struct rio_switch {
* @dsend: Callback to send a doorbell message.
*/
struct rio_ops {
- int (*lcread) (int index, u32 offset, int len, u32 * data);
- int (*lcwrite) (int index, u32 offset, int len, u32 data);
- int (*cread) (int index, u16 destid, u8 hopcount, u32 offset, int len,
- u32 * data);
- int (*cwrite) (int index, u16 destid, u8 hopcount, u32 offset, int len,
- u32 data);
- int (*dsend) (int index, u16 destid, u16 data);
+ int (*lcread) (struct rio_mport *mport, int index, u32 offset, int len,
+ u32 * data);
+ int (*lcwrite) (struct rio_mport *mport, int index, u32 offset, int len,
+ u32 data);
+ int (*cread) (struct rio_mport *mport, int index, u16 destid,
+ u8 hopcount, u32 offset, int len, u32 * data);
+ int (*cwrite) (struct rio_mport *mport, int index, u16 destid,
+ u8 hopcount, u32 offset, int len, u32 data);
+ int (*dsend) (struct rio_mport *mport, int index, u16 destid, u16 data);
};

#define RIO_RESOURCE_MEM 0x00000100
--
1.5.2

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Please read the FAQ at http://www.tux.org/lkml/

The RapidIO system size will auto probe in RIO setup. The route
table and rionet_active in rionet.c are changed to be allocated
dynamically according the system size.

Signed-off-by: Zhang Wei
---
arch/powerpc/sysdev/fsl_rio.c | 6 +++++
drivers/net/rionet.c | 16 +++++++++++-
drivers/rapidio/Kconfig | 8 ------
drivers/rapidio/rio-scan.c | 51 +++++++++++++++++++++++++++++------------
drivers/rapidio/rio-sysfs.c | 3 +-
drivers/rapidio/rio.c | 2 +-
drivers/rapidio/rio.h | 9 +-----
include/linux/rio.h | 14 +++++-----
8 files changed, 68 insertions(+), 41 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 36b43ec..4877203 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1001,6 +1001,12 @@ int fsl_rio_setup(struct of_device *dev)
rio_register_mport(port);

priv->regs_win = (u32) ioremap(regs.start, regs.end - regs.start + 1);
+
+ port->sys_size = (in_be32((priv->regs_win + RIO_PEF_CAR))
+ & RIO_PEF_CTLS) >> 4;
+ dev_info(&dev->dev, "RapidIO Common Transport System size: %d\n",
+ port->sys_size ? 65536 : 256);
+
priv->atmu_regs = (struct rio_atmu_regs *)(priv->regs_win
+ RIO_ATMU_REGS_OFFSET);
priv->maint_atmu_regs = priv->atmu_regs + 1;
diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index e7fd08a..f2c103b 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -77,7 +77,7 @@ static int rionet_capable = 1;
* could be made into a hash table to save memory depending
* on system trade-offs.
*/
-static struct rio_dev *rionet_active[RIO_MAX_ROUTE_ENTRIES];
+static struct rio_dev **rionet_active;

#define is_rionet_capable(pef, src_ops, dst_ops) \
((pef & RIO_PEF_INB_MBOX) && \
@@ -195,7 +195,8 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
}

if (eth->h_dest[0] & 0x01) {
- for (i = 0; i < RIO_MAX_ROUTE_ENTRIES; i++)
+ for (i = 0; i < RIO_MAX_ROUTE_ENTRIES(rnet->mport->syssize);
+ i++)
if (rionet_active[i])
rionet_queue_tx_msg(skb, ndev,
rionet_active[i]);
@@ -385,6 +386,8 @@ static void rionet_remove(struct rio_dev *rdev)
struct net_device *ndev = NULL;
struct rionet_peer *peer, *tmp;

+ free_pages((unsigned long)rionet_active, rdev->net->hport->sys_size ?
+ __ilog2(sizeof(void *)) + 4 : 0);
unregister_netdev(ndev);
kfree(ndev);

@@ -443,6 +446,15 @@ static int rionet_setup_netdev(struct rio_mport *mport)
goto out;
}

+ if (!(rionet_active = (struct rio_dev **)__get_free_pages(GFP_KERNEL,
+ mport->sys_size ? __ilog2(sizeof(void *)) + 4
+ : 0))) {
+ rc = -ENOMEM;
+ goto out;
+ }
+ memset((void *)rionet_active, 0, sizeof(void *) *
+ RIO_MAX_ROUTE_ENTRIES(mport->sys_size));
+
/* Set up private area */
rnet = (struct rionet_private *)ndev->priv;
rnet->mport = mport;
diff --git a/drivers/rapidio/Kconfig b/drivers/rapidio/Kconfig
index 4142115..c32822a 100644
--- a/drivers/rapidio/Kconfig
+++ b/drivers/rapidio/Kconfig
@@ -1,14 +1,6 @@
#
# RapidIO configuration
#
-config RAPIDIO_8_BIT_TRANSPORT
- bool "8-bit transport addressing"
- depends on RAPIDIO
- ---help---
- By default, the kernel assumes a 16-bit addressed RapidIO
- network. By selecting this option, the kernel will support
- an 8-bit addressed network.
-
config RAPIDIO_DISC_TIMEOUT
int "Discovery timeout duration (seconds)"
depends on RAPIDIO
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 4442072..ca895d1 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -73,7 +73,7 @@ static u16 rio_get_device_id(struct rio_mport *port, u16 destid, u8 hopcount)

rio_mport_read_config_32(port, destid, hopcount, RIO_DID_CSR, &result);

- return RIO_GET_DID(result);
+ return RIO_GET_DID(port->sys_size, result);
}

/**
@@ -88,7 +88,7 @@ static u16 rio_get_device_id(struct rio_mport *port, u16 destid, u8 hopcount)
static void rio_set_device_id(struct rio_mport *port, u16 destid, u8 hopcount, u16 did)
{
rio_mport_write_config_32(port, destid, hopcount, RIO_DID_CSR,
- RIO_SET_DID(did));
+ RIO_SET_DID(port->sys_size, did));
}

/**
@@ -100,7 +100,8 @@ static void rio_set_device_id(struct rio_mport *port, u16 destid, u8 hopcount, u
*/
static void rio_local_set_device_id(struct rio_mport *port, u16 did)
{
- rio_local_write_config_32(port, RIO_DID_CSR, RIO_SET_DID(did));
+ rio_local_write_config_32(port, RIO_DID_CSR, RIO_SET_DID(port->sys_size,
+ did));
}

/**
@@ -350,8 +351,17 @@ static struct rio_dev *rio_setup_device(struct rio_net *net,
rswitch->switchid = next_switchid;
rswitch->hopcount = hopcount;
rswitch->destid = destid;
+ if (!(rswitch->route_table = kzalloc(sizeof(u8)*
+ RIO_MAX_ROUTE_ENTRIES(port->sys_size),
+ GFP_KERNEL))) {
+ kfree(rdev);
+ rdev = NULL;
+ kfree(rswitch);
+ goto out;
+ }
/* Initialize switch route table */
- for (rdid = 0; rdid < RIO_MAX_ROUTE_ENTRIES; rdid++)
+ for (rdid = 0; rdid < RIO_MAX_ROUTE_ENTRIES(port->sys_size);
+ rdid++)
rswitch->route_table[rdid] = RIO_INVALID_ROUTE;
rdev->rswitch = rswitch;
sprintf(rio_name(rdev), "%02x:s:%04x", rdev->net->id,
@@ -480,7 +490,7 @@ static u16 rio_get_host_deviceid_lock(struct rio_mport *port, u8 hopcount)
{
u32 result;

- rio_mport_read_config_32(port, RIO_ANY_DESTID, hopcount,
+ rio_mport_read_config_32(port, RIO_ANY_DESTID(port->sys_size), hopcount,
RIO_HOST_DID_LOCK_CSR, &result);

return (u16) (result & 0xffff);
@@ -571,14 +581,16 @@ static int rio_enum_peer(struct rio_net *net, struct rio_mport *port,
}

/* Attempt to acquire device lock */
- rio_mport_write_config_32(port, RIO_ANY_DESTID, hopcount,
+ rio_mport_write_config_32(port, RIO_ANY_DESTID(port->sys_size),
+ hopcount,
RIO_HOST_DID_LOCK_CSR, port->host_deviceid);
while ((tmp = rio_get_host_deviceid_lock(port, hopcount))
< port->host_deviceid) {
/* Delay a bit */
mdelay(1);
/* Attempt to acquire device lock again */
- rio_mport_write_config_32(port, RIO_ANY_DESTID, hopcount,
+ rio_mport_write_config_32(port, RIO_ANY_DESTID(port->sys_size),
+ hopcount,
RIO_HOST_DID_LOCK_CSR,
port->host_deviceid);
}
@@ -590,7 +602,8 @@ static int rio_enum_peer(struct rio_net *net, struct rio_mport *port,
}

/* Setup new RIO device */
- if ((rdev = rio_setup_device(net, port, RIO_ANY_DESTID, hopcount, 1))) {
+ if ((rdev = rio_setup_device(net, port, RIO_ANY_DESTID(port->sys_size),
+ hopcount, 1))) {
/* Add device to the global and bus/net specific list. */
list_add_tail(&rdev->net_list, &net->devices);
} else
@@ -598,7 +611,8 @@ static int rio_enum_peer(struct rio_net *net, struct rio_mport *port,

if (rio_is_switch(rdev)) {
next_switchid++;
- sw_inport = rio_get_swpinfo_inport(port, RIO_ANY_DESTID, hopcount);
+ sw_inport = rio_get_swpinfo_inport(port,
+ RIO_ANY_DESTID(port->sys_size), hopcount);
rio_route_add_entry(port, rdev->rswitch, RIO_GLOBAL_TABLE,
port->host_deviceid, sw_inport);
rdev->rswitch->route_table[port->host_deviceid] = sw_inport;
@@ -612,7 +626,8 @@ static int rio_enum_peer(struct rio_net *net, struct rio_mport *port,
}

num_ports =
- rio_get_swpinfo_tports(port, RIO_ANY_DESTID, hopcount);
+ rio_get_swpinfo_tports(port, RIO_ANY_DESTID(port->sys_size),
+ hopcount);
pr_debug(
"RIO: found %s (vid %4.4x did %4.4x) with %d ports\n",
rio_name(rdev), rdev->vid, rdev->did, num_ports);
@@ -624,13 +639,15 @@ static int rio_enum_peer(struct rio_net *net, struct rio_mport *port,
cur_destid = next_destid;

if (rio_sport_is_active
- (port, RIO_ANY_DESTID, hopcount, port_num)) {
+ (port, RIO_ANY_DESTID(port->sys_size), hopcount,
+ port_num)) {
pr_debug(
"RIO: scanning device on port %d\n",
port_num);
rio_route_add_entry(port, rdev->rswitch,
RIO_GLOBAL_TABLE,
- RIO_ANY_DESTID, port_num);
+ RIO_ANY_DESTID(port->sys_size),
+ port_num);

if (rio_enum_peer(net, port, hopcount + 1) < 0)
return -1;
@@ -735,7 +752,8 @@ rio_disc_peer(struct rio_net *net, struct rio_mport *port, u16 destid,
pr_debug(
"RIO: scanning device on port %d\n",
port_num);
- for (ndestid = 0; ndestid < RIO_ANY_DESTID;
+ for (ndestid = 0;
+ ndestid < RIO_ANY_DESTID(port->sys_size);
ndestid++) {
rio_route_get_entry(port, rdev->rswitch,
RIO_GLOBAL_TABLE,
@@ -917,7 +935,9 @@ static void rio_build_route_tables(void)

list_for_each_entry(rdev, &rio_devices, global_list)
if (rio_is_switch(rdev))
- for (i = 0; i < RIO_MAX_ROUTE_ENTRIES; i++) {
+ for (i = 0;
+ i < RIO_MAX_ROUTE_ENTRIES(rdev->net->hport->sys_size);
+ i++) {
if (rio_route_get_entry
(rdev->net->hport, rdev->rswitch, RIO_GLOBAL_TABLE,
i, &sport) < 0)
@@ -981,7 +1001,8 @@ int rio_disc_mport(struct rio_mport *mport)
del_timer_sync(&rio_enum_timer);

pr_debug("done\n");
- if (rio_disc_peer(net, mport, RIO_ANY_DESTID, 0) < 0) {
+ if (rio_disc_peer(net, mport, RIO_ANY_DESTID(mport->sys_size),
+ 0) < 0) {
printk(KERN_INFO
"RIO: master port %d device has failed discovery\n",
mport->id);
diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c
index 659e311..97a147f 100644
--- a/drivers/rapidio/rio-sysfs.c
+++ b/drivers/rapidio/rio-sysfs.c
@@ -43,7 +43,8 @@ static ssize_t routes_show(struct device *dev, struct device_attribute *attr, ch
if (!rdev->rswitch)
goto out;

- for (i = 0; i < RIO_MAX_ROUTE_ENTRIES; i++) {
+ for (i = 0; i < RIO_MAX_ROUTE_ENTRIES(rdev->net->hport->sys_size);
+ i++) {
if (rdev->rswitch->route_table[i] == RIO_INVALID_ROUTE)
continue;
str +=
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index 80c5f1b..680661a 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -43,7 +43,7 @@ u16 rio_local_get_device_id(struct rio_mport *port)

rio_local_read_config_32(port, RIO_DID_CSR, &result);

- return (RIO_GET_DID(result));
+ return (RIO_GET_DID(port->sys_size, result));
}

/**
diff --git a/drivers/rapidio/rio.h b/drivers/rapidio/rio.h
index b242cee..7a3b62e 100644
--- a/drivers/rapidio/rio.h
+++ b/drivers/rapidio/rio.h
@@ -51,10 +51,5 @@ extern struct rio_route_ops __end_rio_route_ops[];
DECLARE_RIO_ROUTE_SECTION(.rio_route_ops, \
vid, did, add_hook, get_hook)

-#ifdef CONFIG_RAPIDIO_8_BIT_TRANSPORT
-#define RIO_GET_DID(x) ((x & 0x00ff0000) >> 16)
-#define RIO_SET_DID(x) ((x & 0x000000ff) << 16)
-#else
-#define RIO_GET_DID(x) (x & 0xffff)
-#define RIO_SET_DID(x) (x & 0xffff)
-#endif
+#define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
+#define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16))
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 9ed78dc..4b0156d 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -23,7 +23,6 @@
#include
#include

-#define RIO_ANY_DESTID 0xff
#define RIO_NO_HOPCOUNT -1
#define RIO_INVALID_DESTID 0xffff

@@ -39,11 +38,8 @@
entry is invalid (no route
exists for the device ID) */

-#ifdef CONFIG_RAPIDIO_8_BIT_TRANSPORT
-#define RIO_MAX_ROUTE_ENTRIES (1 << 8)
-#else
-#define RIO_MAX_ROUTE_ENTRIES (1 << 16)
-#endif
+#define RIO_MAX_ROUTE_ENTRIES(size) (size ? (1 << 16) : (1 << 8))
+#define RIO_ANY_DESTID(size) (size ? 0xffff : 0xff)

#define RIO_MAX_MBOX 4
#define RIO_MAX_MSG_SIZE 0x1000
@@ -178,6 +174,10 @@ struct rio_mport {
unsigned char id; /* port ID, unique among all ports */
unsigned char index; /* port index, unique among all port
interfaces of the same type */
+ unsigned int sys_size; /* RapidIO common transport system size.
+ * 0 - Small size. 256 devices.
+ * 1 - Large size, 65536 devices.
+ */
unsigned char name[40];
void *priv; /* Master port private data */
};
@@ -213,7 +213,7 @@ struct rio_switch {
u16 switchid;
u16 hopcount;
u16 destid;
- u8 route_table[RIO_MAX_ROUTE_ENTRIES];
+ u8 *route_table;
int (*add_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
u16 table, u16 route_destid, u8 route_port);
int (*get_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
--
1.5.2

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Signed-off-by: Zhang Wei
---
include/asm-powerpc/rio.h | 18 ++++++++++++++++++
include/asm-ppc/rio.h | 18 ------------------
2 files changed, 18 insertions(+), 18 deletions(-)
create mode 100644 include/asm-powerpc/rio.h
delete mode 100644 include/asm-ppc/rio.h

diff --git a/include/asm-powerpc/rio.h b/include/asm-powerpc/rio.h
new file mode 100644
index 0000000..0018bf8
--- /dev/null
+++ b/include/asm-powerpc/rio.h
@@ -0,0 +1,18 @@
+/*
+ * RapidIO architecture support
+ *
+ * Copyright 2005 MontaVista Software, Inc.
+ * Matt Porter
+ *
+ * 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 the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef ASM_PPC_RIO_H
+#define ASM_PPC_RIO_H
+
+extern void platform_rio_init(void);
+
+#endif /* ASM_PPC_RIO_H */
diff --git a/include/asm-ppc/rio.h b/include/asm-ppc/rio.h
deleted file mode 100644
index 0018bf8..0000000
--- a/include/asm-ppc/rio.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * RapidIO architecture support
- *
- * Copyright 2005 MontaVista Software, Inc.
- * Matt Porter
- *
- * 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 the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef ASM_PPC_RIO_H
-#define ASM_PPC_RIO_H
-
-extern void platform_rio_init(void);
-
-#endif /* ASM_PPC_RIO_H */
--
1.5.2

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