diff options
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_eq.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 37 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v1.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_main.c | 127 |
5 files changed, 136 insertions, 34 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index 00f01be..ea73580 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -531,7 +531,7 @@ struct hns_roce_dev { struct ib_device ib_dev; struct platform_device *pdev; struct hns_roce_uar priv_uar; - const char *irq_names; + const char *irq_names[HNS_ROCE_MAX_IRQ_NUM]; spinlock_t sm_lock; spinlock_t cq_db_lock; spinlock_t bt_cmd_lock; diff --git a/drivers/infiniband/hw/hns/hns_roce_eq.c b/drivers/infiniband/hw/hns/hns_roce_eq.c index 5febbb4..98af7fe 100644 --- a/drivers/infiniband/hw/hns/hns_roce_eq.c +++ b/drivers/infiniband/hw/hns/hns_roce_eq.c @@ -713,7 +713,7 @@ int hns_roce_init_eq_table(struct hns_roce_dev *hr_dev) for (j = 0; j < eq_num; j++) { ret = request_irq(eq_table->eq[j].irq, hns_roce_msi_x_interrupt, - 0, hr_dev->irq_names, eq_table->eq + j); + 0, hr_dev->irq_names[j], eq_table->eq + j); if (ret) { dev_err(dev, "request irq error!\n"); goto err_request_irq_fail; diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index b52f3ba..399f5de 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -31,6 +31,7 @@ */ #include <linux/platform_device.h> +#include <linux/acpi.h> #include <rdma/ib_umem.h> #include "hns_roce_common.h" #include "hns_roce_device.h" @@ -794,29 +795,47 @@ static void hns_roce_port_enable(struct hns_roce_dev *hr_dev, int enable_flag) * @enable: true -- drop reset, false -- reset * return 0 - success , negative --fail */ -int hns_roce_v1_reset(struct hns_roce_dev *hr_dev, bool enable) +int hns_roce_v1_reset(struct hns_roce_dev *hr_dev, bool dereset) { struct device_node *dsaf_node; struct device *dev = &hr_dev->pdev->dev; struct device_node *np = dev->of_node; + struct fwnode_handle *fwnode; int ret; - dsaf_node = of_parse_phandle(np, "dsaf-handle", 0); - if (!dsaf_node) { - dev_err(dev, "Unable to get dsaf node by dsaf-handle!\n"); - return -EINVAL; + /* check if this is DT/ACPI case */ + if (dev_of_node(dev)) { + dsaf_node = of_parse_phandle(np, "dsaf-handle", 0); + if (!dsaf_node) { + dev_err(dev, "could not find dsaf-handle\n"); + return -EINVAL; + } + fwnode = &dsaf_node->fwnode; + } else if (is_acpi_device_node(dev->fwnode)) { + struct acpi_reference_args args; + + ret = acpi_node_get_property_reference(dev->fwnode, + "dsaf-handle", 0, &args); + if (ret) { + dev_err(dev, "could not find dsaf-handle\n"); + return ret; + } + fwnode = acpi_fwnode_handle(args.adev); + } else { + dev_err(dev, "cannot read data from DT or ACPI\n"); + return -ENXIO; } - ret = hns_dsaf_roce_reset(&dsaf_node->fwnode, false); + ret = hns_dsaf_roce_reset(fwnode, false); if (ret) return ret; - if (enable) { + if (dereset) { msleep(SLEEP_TIME_INTERVAL); - return hns_dsaf_roce_reset(&dsaf_node->fwnode, true); + ret = hns_dsaf_roce_reset(fwnode, true); } - return 0; + return ret; } void hns_roce_v1_profile(struct hns_roce_dev *hr_dev) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.h b/drivers/infiniband/hw/hns/hns_roce_hw_v1.h index 2b3bf21..316b592 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.h @@ -976,6 +976,6 @@ struct hns_roce_v1_priv { struct hns_roce_raq_table raq_table; }; -int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool enable); +int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset); #endif diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 6ead671..f64f0dd 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -30,7 +30,7 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ - +#include <linux/acpi.h> #include <linux/of_platform.h> #include <rdma/ib_addr.h> #include <rdma/ib_smi.h> @@ -694,40 +694,122 @@ error_failed_setup_mtu_gids: return ret; } +static const struct of_device_id hns_roce_of_match[] = { + { .compatible = "hisilicon,hns-roce-v1", .data = &hns_roce_hw_v1, }, + {}, +}; +MODULE_DEVICE_TABLE(of, hns_roce_of_match); + +static const struct acpi_device_id hns_roce_acpi_match[] = { + { "HISI00D1", (kernel_ulong_t)&hns_roce_hw_v1 }, + {}, +}; +MODULE_DEVICE_TABLE(acpi, hns_roce_acpi_match); + +static int hns_roce_node_match(struct device *dev, void *fwnode) +{ + return dev->fwnode == fwnode; +} + +static struct +platform_device *hns_roce_find_pdev(struct fwnode_handle *fwnode) +{ + struct device *dev; + + /* get the 'device'corresponding to matching 'fwnode' */ + dev = bus_find_device(&platform_bus_type, NULL, + fwnode, hns_roce_node_match); + /* get the platform device */ + return dev ? to_platform_device(dev) : NULL; +} + static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev) { int i; + int ret; u8 phy_port; int port_cnt = 0; struct device *dev = &hr_dev->pdev->dev; - struct device_node *np = dev->of_node; struct device_node *net_node; struct net_device *netdev = NULL; struct platform_device *pdev = NULL; struct resource *res; - if (of_device_is_compatible(np, "hisilicon,hns-roce-v1")) { - hr_dev->hw = &hns_roce_hw_v1; + /* check if we are compatible with the underlying SoC */ + if (dev_of_node(dev)) { + const struct of_device_id *of_id; + + of_id = of_match_node(hns_roce_of_match, dev->of_node); + if (!of_id) { + dev_err(dev, "device is not compatible!\n"); + return -ENXIO; + } + hr_dev->hw = (struct hns_roce_hw *)of_id->data; + if (!hr_dev->hw) { + dev_err(dev, "couldn't get H/W specific DT data!\n"); + return -ENXIO; + } + } else if (is_acpi_device_node(dev->fwnode)) { + const struct acpi_device_id *acpi_id; + + acpi_id = acpi_match_device(hns_roce_acpi_match, dev); + if (!acpi_id) { + dev_err(dev, "device is not compatible!\n"); + return -ENXIO; + } + hr_dev->hw = (struct hns_roce_hw *) acpi_id->driver_data; + if (!hr_dev->hw) { + dev_err(dev, "couldn't get H/W specific ACPI data!\n"); + return -ENXIO; + } } else { - dev_err(dev, "device no compatible!\n"); - return -EINVAL; + dev_err(dev, "can't read compatibility data from DT or ACPI\n"); + return -ENXIO; } + /* get the mapped register base address */ res = platform_get_resource(hr_dev->pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(dev, "memory resource not found!\n"); + return -EINVAL; + } hr_dev->reg_base = devm_ioremap_resource(dev, res); if (IS_ERR(hr_dev->reg_base)) return PTR_ERR(hr_dev->reg_base); + /* get the RoCE associated ethernet ports or netdevices */ for (i = 0; i < HNS_ROCE_MAX_PORTS; i++) { - net_node = of_parse_phandle(np, "eth-handle", i); - if (net_node) { + if (dev_of_node(dev)) { + net_node = of_parse_phandle(dev->of_node, "eth-handle", + i); + if (!net_node) + continue; pdev = of_find_device_by_node(net_node); + } else if (is_acpi_device_node(dev->fwnode)) { + struct acpi_reference_args args; + struct fwnode_handle *fwnode; + + ret = acpi_node_get_property_reference(dev->fwnode, + "eth-handle", + i, &args); + if (ret) + continue; + fwnode = acpi_fwnode_handle(args.adev); + pdev = hns_roce_find_pdev(fwnode); + } else { + dev_err(dev, "cannot read data from DT or ACPI\n"); + return -ENXIO; + } + + if (pdev) { netdev = platform_get_drvdata(pdev); phy_port = (u8)i; if (netdev) { hr_dev->iboe.netdevs[port_cnt] = netdev; hr_dev->iboe.phy_port[port_cnt] = phy_port; } else { + dev_err(dev, "no netdev found with pdev %s\n", + pdev->name); return -ENODEV; } port_cnt++; @@ -735,26 +817,32 @@ static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev) } if (port_cnt == 0) { - dev_err(dev, "Unable to get available port by eth-handle!\n"); + dev_err(dev, "unable to get eth-handle for available ports!\n"); return -EINVAL; } hr_dev->caps.num_ports = port_cnt; - /* Cmd issue mode: 0 is poll, 1 is event */ + /* cmd issue mode: 0 is poll, 1 is event */ hr_dev->cmd_mod = 1; hr_dev->loop_idc = 0; + /* read the interrupt names from the DT or ACPI */ + ret = device_property_read_string_array(dev, "interrupt-names", + hr_dev->irq_names, + HNS_ROCE_MAX_IRQ_NUM); + if (ret < 0) { + dev_err(dev, "couldn't get interrupt names from DT or ACPI!\n"); + return ret; + } + + /* fetch the interrupt numbers */ for (i = 0; i < HNS_ROCE_MAX_IRQ_NUM; i++) { hr_dev->irq[i] = platform_get_irq(hr_dev->pdev, i); if (hr_dev->irq[i] <= 0) { - dev_err(dev, "Get No.%d irq resource failed!\n", i); + dev_err(dev, "platform get of irq[=%d] failed!\n", i); return -EINVAL; } - - if (of_property_read_string_index(np, "interrupt-names", i, - &hr_dev->irq_names)) - return -EINVAL; } return 0; @@ -917,7 +1005,7 @@ static int hns_roce_probe(struct platform_device *pdev) if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64ULL)) && dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32ULL))) { - dev_err(dev, "No usable DMA addressing mode\n"); + dev_err(dev, "Not usable DMA addressing mode\n"); ret = -EIO; goto error_failed_get_cfg; } @@ -1035,18 +1123,13 @@ static int hns_roce_remove(struct platform_device *pdev) return 0; } -static const struct of_device_id hns_roce_of_match[] = { - { .compatible = "hisilicon,hns-roce-v1",}, - {}, -}; -MODULE_DEVICE_TABLE(of, hns_roce_of_match); - static struct platform_driver hns_roce_driver = { .probe = hns_roce_probe, .remove = hns_roce_remove, .driver = { .name = DRV_NAME, .of_match_table = hns_roce_of_match, + .acpi_match_table = ACPI_PTR(hns_roce_acpi_match), }, }; |