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linux-davinci
Commit 7a1854b7 authored by Ayaz Abdulla's avatar Ayaz Abdulla Committed by Jeff Garzik
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[PATCH] forcedeth config: move functions 

This patch moves a few functions (no logic change) so that the next
patch has these functions defined.
Signed-Off-By: default avatarAyaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 52da3578
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Showing with 133 additions and 133 deletions
drivers/net/forcedeth.c
View file @ 7a1854b7
...@@ -2502,6 +2502,139 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs) ...@@ -2502,6 +2502,139 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
return IRQ_RETVAL(i); return IRQ_RETVAL(i);
} }
static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask)
{
u8 __iomem *base = get_hwbase(dev);
int i;
u32 msixmap = 0;
/* Each interrupt bit can be mapped to a MSIX vector (4 bits).
* MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents
* the remaining 8 interrupts.
*/
for (i = 0; i < 8; i++) {
if ((irqmask >> i) & 0x1) {
msixmap |= vector << (i << 2);
}
}
writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0);
msixmap = 0;
for (i = 0; i < 8; i++) {
if ((irqmask >> (i + 8)) & 0x1) {
msixmap |= vector << (i << 2);
}
}
writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1);
}
static int nv_request_irq(struct net_device *dev)
{
struct fe_priv *np = get_nvpriv(dev);
u8 __iomem *base = get_hwbase(dev);
int ret = 1;
int i;
if (np->msi_flags & NV_MSI_X_CAPABLE) {
for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
np->msi_x_entry[i].entry = i;
}
if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) {
np->msi_flags |= NV_MSI_X_ENABLED;
if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
/* Request irq for rx handling */
if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
goto out_err;
}
/* Request irq for tx handling */
if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
goto out_free_rx;
}
/* Request irq for link and timer handling */
if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
goto out_free_tx;
}
/* map interrupts to their respective vector */
writel(0, base + NvRegMSIXMap0);
writel(0, base + NvRegMSIXMap1);
set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL);
set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL);
set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER);
} else {
/* Request irq for all interrupts */
if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
goto out_err;
}
/* map interrupts to vector 0 */
writel(0, base + NvRegMSIXMap0);
writel(0, base + NvRegMSIXMap1);
}
}
}
if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
np->msi_flags |= NV_MSI_ENABLED;
if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
pci_disable_msi(np->pci_dev);
np->msi_flags &= ~NV_MSI_ENABLED;
goto out_err;
}
/* map interrupts to vector 0 */
writel(0, base + NvRegMSIMap0);
writel(0, base + NvRegMSIMap1);
/* enable msi vector 0 */
writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
}
}
if (ret != 0) {
if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0)
goto out_err;
}
return 0;
out_free_tx:
free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev);
out_free_rx:
free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev);
out_err:
return 1;
}
static void nv_free_irq(struct net_device *dev)
{
struct fe_priv *np = get_nvpriv(dev);
int i;
if (np->msi_flags & NV_MSI_X_ENABLED) {
for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
free_irq(np->msi_x_entry[i].vector, dev);
}
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
} else {
free_irq(np->pci_dev->irq, dev);
if (np->msi_flags & NV_MSI_ENABLED) {
pci_disable_msi(np->pci_dev);
np->msi_flags &= ~NV_MSI_ENABLED;
}
}
}
static void nv_do_nic_poll(unsigned long data) static void nv_do_nic_poll(unsigned long data)
{ {
struct net_device *dev = (struct net_device *) data; struct net_device *dev = (struct net_device *) data;
...@@ -3319,139 +3452,6 @@ static void nv_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) ...@@ -3319,139 +3452,6 @@ static void nv_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
/* nothing to do */ /* nothing to do */
}; };
static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask)
{
u8 __iomem *base = get_hwbase(dev);
int i;
u32 msixmap = 0;
/* Each interrupt bit can be mapped to a MSIX vector (4 bits).
* MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents
* the remaining 8 interrupts.
*/
for (i = 0; i < 8; i++) {
if ((irqmask >> i) & 0x1) {
msixmap |= vector << (i << 2);
}
}
writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0);
msixmap = 0;
for (i = 0; i < 8; i++) {
if ((irqmask >> (i + 8)) & 0x1) {
msixmap |= vector << (i << 2);
}
}
writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1);
}
static int nv_request_irq(struct net_device *dev)
{
struct fe_priv *np = get_nvpriv(dev);
u8 __iomem *base = get_hwbase(dev);
int ret = 1;
int i;
if (np->msi_flags & NV_MSI_X_CAPABLE) {
for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
np->msi_x_entry[i].entry = i;
}
if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) {
np->msi_flags |= NV_MSI_X_ENABLED;
if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
/* Request irq for rx handling */
if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
goto out_err;
}
/* Request irq for tx handling */
if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
goto out_free_rx;
}
/* Request irq for link and timer handling */
if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
goto out_free_tx;
}
/* map interrupts to their respective vector */
writel(0, base + NvRegMSIXMap0);
writel(0, base + NvRegMSIXMap1);
set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL);
set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL);
set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER);
} else {
/* Request irq for all interrupts */
if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
goto out_err;
}
/* map interrupts to vector 0 */
writel(0, base + NvRegMSIXMap0);
writel(0, base + NvRegMSIXMap1);
}
}
}
if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
np->msi_flags |= NV_MSI_ENABLED;
if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
pci_disable_msi(np->pci_dev);
np->msi_flags &= ~NV_MSI_ENABLED;
goto out_err;
}
/* map interrupts to vector 0 */
writel(0, base + NvRegMSIMap0);
writel(0, base + NvRegMSIMap1);
/* enable msi vector 0 */
writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
}
}
if (ret != 0) {
if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0)
goto out_err;
}
return 0;
out_free_tx:
free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev);
out_free_rx:
free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev);
out_err:
return 1;
}
static void nv_free_irq(struct net_device *dev)
{
struct fe_priv *np = get_nvpriv(dev);
int i;
if (np->msi_flags & NV_MSI_X_ENABLED) {
for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
free_irq(np->msi_x_entry[i].vector, dev);
}
pci_disable_msix(np->pci_dev);
np->msi_flags &= ~NV_MSI_X_ENABLED;
} else {
free_irq(np->pci_dev->irq, dev);
if (np->msi_flags & NV_MSI_ENABLED) {
pci_disable_msi(np->pci_dev);
np->msi_flags &= ~NV_MSI_ENABLED;
}
}
}
static int nv_open(struct net_device *dev) static int nv_open(struct net_device *dev)
{ {
struct fe_priv *np = netdev_priv(dev); struct fe_priv *np = netdev_priv(dev);
......
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