diff options
author | Shannon Nelson <snelson@pensando.io> | 2019-09-03 15:28:06 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-09-05 09:24:43 +0200 |
commit | 04436595c435060a1735759645b1417513124c1f (patch) | |
tree | b081d23f72ba907589ee2ebe437db7d970a9f8d0 /drivers/net/ethernet/pensando/ionic | |
parent | fbfb8031533c924c2f3fef73759b4cf75a0e6aa7 (diff) |
ionic: Add port management commands
The port management commands apply to the physical port
associated with the PCI device, which might be shared among
several logical interfaces.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic')
-rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic.h | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c | 16 | ||||
-rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_dev.c | 92 | ||||
-rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_dev.h | 13 | ||||
-rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_main.c | 88 |
5 files changed, 213 insertions, 0 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h index 89ad9c590736..4960effd2bcc 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic.h +++ b/drivers/net/ethernet/pensando/ionic/ionic.h @@ -42,4 +42,8 @@ int ionic_identify(struct ionic *ionic); int ionic_init(struct ionic *ionic); int ionic_reset(struct ionic *ionic); +int ionic_port_identify(struct ionic *ionic); +int ionic_port_init(struct ionic *ionic); +int ionic_port_reset(struct ionic *ionic); + #endif /* _IONIC_H_ */ diff --git a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c index 286b4b450a73..804dd43e92a6 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c @@ -138,12 +138,27 @@ static int ionic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_teardown; } + /* Configure the ports */ + err = ionic_port_identify(ionic); + if (err) { + dev_err(dev, "Cannot identify port: %d, aborting\n", err); + goto err_out_reset; + } + + err = ionic_port_init(ionic); + if (err) { + dev_err(dev, "Cannot init port: %d, aborting\n", err); + goto err_out_reset; + } + err = ionic_devlink_register(ionic); if (err) dev_err(dev, "Cannot register devlink: %d\n", err); return 0; +err_out_reset: + ionic_reset(ionic); err_out_teardown: ionic_dev_teardown(ionic); err_out_unmap_bars: @@ -170,6 +185,7 @@ static void ionic_remove(struct pci_dev *pdev) return; ionic_devlink_unregister(ionic); + ionic_port_reset(ionic); ionic_reset(ionic); ionic_dev_teardown(ionic); ionic_unmap_bars(ionic); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c index 0bf1bd6bd7b1..3137776e9191 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c @@ -134,3 +134,95 @@ void ionic_dev_cmd_reset(struct ionic_dev *idev) ionic_dev_cmd_go(idev, &cmd); } + +/* Port commands */ +void ionic_dev_cmd_port_identify(struct ionic_dev *idev) +{ + union ionic_dev_cmd cmd = { + .port_init.opcode = IONIC_CMD_PORT_IDENTIFY, + .port_init.index = 0, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_init(struct ionic_dev *idev) +{ + union ionic_dev_cmd cmd = { + .port_init.opcode = IONIC_CMD_PORT_INIT, + .port_init.index = 0, + .port_init.info_pa = cpu_to_le64(idev->port_info_pa), + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_reset(struct ionic_dev *idev) +{ + union ionic_dev_cmd cmd = { + .port_reset.opcode = IONIC_CMD_PORT_RESET, + .port_reset.index = 0, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_state(struct ionic_dev *idev, u8 state) +{ + union ionic_dev_cmd cmd = { + .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_STATE, + .port_setattr.state = state, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_speed(struct ionic_dev *idev, u32 speed) +{ + union ionic_dev_cmd cmd = { + .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_SPEED, + .port_setattr.speed = cpu_to_le32(speed), + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_autoneg(struct ionic_dev *idev, u8 an_enable) +{ + union ionic_dev_cmd cmd = { + .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_AUTONEG, + .port_setattr.an_enable = an_enable, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_fec(struct ionic_dev *idev, u8 fec_type) +{ + union ionic_dev_cmd cmd = { + .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_FEC, + .port_setattr.fec_type = fec_type, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_pause(struct ionic_dev *idev, u8 pause_type) +{ + union ionic_dev_cmd cmd = { + .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_PAUSE, + .port_setattr.pause_type = pause_type, + }; + + ionic_dev_cmd_go(idev, &cmd); +} diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h index 7050545a83aa..81b6910aabc1 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h @@ -117,6 +117,10 @@ struct ionic_dev { struct ionic_intr __iomem *intr_ctrl; u64 __iomem *intr_status; + u32 port_info_sz; + struct ionic_port_info *port_info; + dma_addr_t port_info_pa; + struct ionic_devinfo dev_info; }; @@ -135,4 +139,13 @@ void ionic_dev_cmd_identify(struct ionic_dev *idev, u8 ver); void ionic_dev_cmd_init(struct ionic_dev *idev); void ionic_dev_cmd_reset(struct ionic_dev *idev); +void ionic_dev_cmd_port_identify(struct ionic_dev *idev); +void ionic_dev_cmd_port_init(struct ionic_dev *idev); +void ionic_dev_cmd_port_reset(struct ionic_dev *idev); +void ionic_dev_cmd_port_state(struct ionic_dev *idev, u8 state); +void ionic_dev_cmd_port_speed(struct ionic_dev *idev, u32 speed); +void ionic_dev_cmd_port_autoneg(struct ionic_dev *idev, u8 an_enable); +void ionic_dev_cmd_port_fec(struct ionic_dev *idev, u8 fec_type); +void ionic_dev_cmd_port_pause(struct ionic_dev *idev, u8 pause_type); + #endif /* _IONIC_DEV_H_ */ diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c index 45b83ba20305..d7e62d31bff0 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_main.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c @@ -303,6 +303,94 @@ int ionic_reset(struct ionic *ionic) return err; } +int ionic_port_identify(struct ionic *ionic) +{ + struct ionic_identity *ident = &ionic->ident; + struct ionic_dev *idev = &ionic->idev; + size_t sz; + int err; + + mutex_lock(&ionic->dev_cmd_lock); + + ionic_dev_cmd_port_identify(idev); + err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT); + if (!err) { + sz = min(sizeof(ident->port), sizeof(idev->dev_cmd_regs->data)); + memcpy_fromio(&ident->port, &idev->dev_cmd_regs->data, sz); + } + + mutex_unlock(&ionic->dev_cmd_lock); + + return err; +} + +int ionic_port_init(struct ionic *ionic) +{ + struct ionic_identity *ident = &ionic->ident; + struct ionic_dev *idev = &ionic->idev; + size_t sz; + int err; + + if (idev->port_info) + return 0; + + idev->port_info_sz = ALIGN(sizeof(*idev->port_info), PAGE_SIZE); + idev->port_info = dma_alloc_coherent(ionic->dev, idev->port_info_sz, + &idev->port_info_pa, + GFP_KERNEL); + if (!idev->port_info) { + dev_err(ionic->dev, "Failed to allocate port info, aborting\n"); + return -ENOMEM; + } + + sz = min(sizeof(ident->port.config), sizeof(idev->dev_cmd_regs->data)); + + mutex_lock(&ionic->dev_cmd_lock); + + memcpy_toio(&idev->dev_cmd_regs->data, &ident->port.config, sz); + ionic_dev_cmd_port_init(idev); + err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT); + + ionic_dev_cmd_port_state(&ionic->idev, IONIC_PORT_ADMIN_STATE_UP); + (void)ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT); + + mutex_unlock(&ionic->dev_cmd_lock); + if (err) { + dev_err(ionic->dev, "Failed to init port\n"); + dma_free_coherent(ionic->dev, idev->port_info_sz, + idev->port_info, idev->port_info_pa); + idev->port_info = NULL; + idev->port_info_pa = 0; + } + + return err; +} + +int ionic_port_reset(struct ionic *ionic) +{ + struct ionic_dev *idev = &ionic->idev; + int err; + + if (!idev->port_info) + return 0; + + mutex_lock(&ionic->dev_cmd_lock); + ionic_dev_cmd_port_reset(idev); + err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT); + mutex_unlock(&ionic->dev_cmd_lock); + + dma_free_coherent(ionic->dev, idev->port_info_sz, + idev->port_info, idev->port_info_pa); + + idev->port_info = NULL; + idev->port_info_pa = 0; + + if (err) + dev_err(ionic->dev, "Failed to reset port\n"); + + return err; +} + static int __init ionic_init_module(void) { pr_info("%s %s, ver %s\n", |