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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: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Ayaz Abdulla
Jeff Garzik
parent
52da35789c
commit
7a1854b797
@ -2502,6 +2502,139 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
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return IRQ_RETVAL(i);
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}
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static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask)
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{
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u8 __iomem *base = get_hwbase(dev);
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int i;
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u32 msixmap = 0;
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/* Each interrupt bit can be mapped to a MSIX vector (4 bits).
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* MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents
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* the remaining 8 interrupts.
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*/
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for (i = 0; i < 8; i++) {
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if ((irqmask >> i) & 0x1) {
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msixmap |= vector << (i << 2);
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}
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}
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writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0);
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msixmap = 0;
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for (i = 0; i < 8; i++) {
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if ((irqmask >> (i + 8)) & 0x1) {
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msixmap |= vector << (i << 2);
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}
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}
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writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1);
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}
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static int nv_request_irq(struct net_device *dev)
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{
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struct fe_priv *np = get_nvpriv(dev);
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u8 __iomem *base = get_hwbase(dev);
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int ret = 1;
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int i;
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if (np->msi_flags & NV_MSI_X_CAPABLE) {
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for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
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np->msi_x_entry[i].entry = i;
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}
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if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) {
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np->msi_flags |= NV_MSI_X_ENABLED;
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if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
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/* Request irq for rx handling */
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if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
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printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
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pci_disable_msix(np->pci_dev);
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np->msi_flags &= ~NV_MSI_X_ENABLED;
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goto out_err;
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}
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/* Request irq for tx handling */
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if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
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printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
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pci_disable_msix(np->pci_dev);
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np->msi_flags &= ~NV_MSI_X_ENABLED;
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goto out_free_rx;
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}
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/* Request irq for link and timer handling */
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if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
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printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
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pci_disable_msix(np->pci_dev);
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np->msi_flags &= ~NV_MSI_X_ENABLED;
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goto out_free_tx;
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}
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/* map interrupts to their respective vector */
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writel(0, base + NvRegMSIXMap0);
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writel(0, base + NvRegMSIXMap1);
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set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL);
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set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL);
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set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER);
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} else {
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/* Request irq for all interrupts */
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if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
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printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
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pci_disable_msix(np->pci_dev);
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np->msi_flags &= ~NV_MSI_X_ENABLED;
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goto out_err;
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}
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/* map interrupts to vector 0 */
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writel(0, base + NvRegMSIXMap0);
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writel(0, base + NvRegMSIXMap1);
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}
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}
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}
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if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
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if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
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np->msi_flags |= NV_MSI_ENABLED;
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if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
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printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
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pci_disable_msi(np->pci_dev);
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np->msi_flags &= ~NV_MSI_ENABLED;
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goto out_err;
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}
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/* map interrupts to vector 0 */
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writel(0, base + NvRegMSIMap0);
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writel(0, base + NvRegMSIMap1);
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/* enable msi vector 0 */
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writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
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}
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}
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if (ret != 0) {
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if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0)
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goto out_err;
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}
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return 0;
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out_free_tx:
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free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev);
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out_free_rx:
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free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev);
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out_err:
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return 1;
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}
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static void nv_free_irq(struct net_device *dev)
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{
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struct fe_priv *np = get_nvpriv(dev);
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int i;
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if (np->msi_flags & NV_MSI_X_ENABLED) {
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for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
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free_irq(np->msi_x_entry[i].vector, dev);
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}
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pci_disable_msix(np->pci_dev);
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np->msi_flags &= ~NV_MSI_X_ENABLED;
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} else {
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free_irq(np->pci_dev->irq, dev);
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if (np->msi_flags & NV_MSI_ENABLED) {
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pci_disable_msi(np->pci_dev);
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np->msi_flags &= ~NV_MSI_ENABLED;
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}
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}
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}
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static void nv_do_nic_poll(unsigned long data)
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{
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struct net_device *dev = (struct net_device *) data;
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@ -3319,139 +3452,6 @@ static void nv_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
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/* nothing to do */
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};
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static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask)
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{
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u8 __iomem *base = get_hwbase(dev);
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int i;
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u32 msixmap = 0;
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/* Each interrupt bit can be mapped to a MSIX vector (4 bits).
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* MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents
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* the remaining 8 interrupts.
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*/
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for (i = 0; i < 8; i++) {
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if ((irqmask >> i) & 0x1) {
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msixmap |= vector << (i << 2);
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}
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}
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writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0);
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msixmap = 0;
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for (i = 0; i < 8; i++) {
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if ((irqmask >> (i + 8)) & 0x1) {
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msixmap |= vector << (i << 2);
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}
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}
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writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1);
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}
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static int nv_request_irq(struct net_device *dev)
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{
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struct fe_priv *np = get_nvpriv(dev);
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u8 __iomem *base = get_hwbase(dev);
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int ret = 1;
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int i;
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if (np->msi_flags & NV_MSI_X_CAPABLE) {
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for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
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np->msi_x_entry[i].entry = i;
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}
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if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) {
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np->msi_flags |= NV_MSI_X_ENABLED;
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if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
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/* Request irq for rx handling */
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if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
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printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
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pci_disable_msix(np->pci_dev);
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np->msi_flags &= ~NV_MSI_X_ENABLED;
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goto out_err;
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}
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/* Request irq for tx handling */
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if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
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printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
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pci_disable_msix(np->pci_dev);
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np->msi_flags &= ~NV_MSI_X_ENABLED;
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goto out_free_rx;
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}
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/* Request irq for link and timer handling */
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if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
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printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
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pci_disable_msix(np->pci_dev);
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np->msi_flags &= ~NV_MSI_X_ENABLED;
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goto out_free_tx;
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}
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/* map interrupts to their respective vector */
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writel(0, base + NvRegMSIXMap0);
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writel(0, base + NvRegMSIXMap1);
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set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL);
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set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL);
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set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER);
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} else {
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/* Request irq for all interrupts */
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if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
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printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
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pci_disable_msix(np->pci_dev);
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np->msi_flags &= ~NV_MSI_X_ENABLED;
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goto out_err;
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}
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/* map interrupts to vector 0 */
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writel(0, base + NvRegMSIXMap0);
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writel(0, base + NvRegMSIXMap1);
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}
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}
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}
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if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
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if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
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np->msi_flags |= NV_MSI_ENABLED;
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if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
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printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
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pci_disable_msi(np->pci_dev);
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np->msi_flags &= ~NV_MSI_ENABLED;
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goto out_err;
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}
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/* map interrupts to vector 0 */
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writel(0, base + NvRegMSIMap0);
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writel(0, base + NvRegMSIMap1);
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/* enable msi vector 0 */
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writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
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}
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}
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if (ret != 0) {
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if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0)
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goto out_err;
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}
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return 0;
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out_free_tx:
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free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev);
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out_free_rx:
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free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev);
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out_err:
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return 1;
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}
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static void nv_free_irq(struct net_device *dev)
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{
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struct fe_priv *np = get_nvpriv(dev);
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int i;
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if (np->msi_flags & NV_MSI_X_ENABLED) {
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for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
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free_irq(np->msi_x_entry[i].vector, dev);
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}
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pci_disable_msix(np->pci_dev);
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np->msi_flags &= ~NV_MSI_X_ENABLED;
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} else {
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free_irq(np->pci_dev->irq, dev);
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if (np->msi_flags & NV_MSI_ENABLED) {
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pci_disable_msi(np->pci_dev);
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np->msi_flags &= ~NV_MSI_ENABLED;
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}
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}
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}
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static int nv_open(struct net_device *dev)
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{
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struct fe_priv *np = netdev_priv(dev);
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