diff options
Diffstat (limited to 'sys/dev/ice/if_ice_iflib.c')
| -rw-r--r-- | sys/dev/ice/if_ice_iflib.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/sys/dev/ice/if_ice_iflib.c b/sys/dev/ice/if_ice_iflib.c index e60ee0f1c5c3..1469d2916465 100644 --- a/sys/dev/ice/if_ice_iflib.c +++ b/sys/dev/ice/if_ice_iflib.c @@ -42,6 +42,9 @@ #include "ice_drv_info.h" #include "ice_switch.h" #include "ice_sched.h" +#ifdef PCI_IOV +#include "ice_iov.h" +#endif #include <sys/module.h> #include <sys/sockio.h> @@ -85,6 +88,12 @@ static int ice_if_suspend(if_ctx_t ctx); static int ice_if_resume(if_ctx_t ctx); static bool ice_if_needs_restart(if_ctx_t ctx, enum iflib_restart_event event); static void ice_init_link(struct ice_softc *sc); +#ifdef PCI_IOV +static int ice_if_iov_init(if_ctx_t ctx, uint16_t num_vfs, const nvlist_t *params); +static void ice_if_iov_uninit(if_ctx_t ctx); +static int ice_if_iov_vf_add(if_ctx_t ctx, uint16_t vfnum, const nvlist_t *params); +static void ice_if_vflr_handle(if_ctx_t ctx); +#endif static int ice_setup_mirror_vsi(struct ice_mirr_if *mif); static int ice_wire_mirror_intrs(struct ice_mirr_if *mif); static void ice_free_irqvs_subif(struct ice_mirr_if *mif); @@ -158,6 +167,11 @@ static device_method_t ice_methods[] = { DEVMETHOD(device_shutdown, iflib_device_shutdown), DEVMETHOD(device_suspend, iflib_device_suspend), DEVMETHOD(device_resume, iflib_device_resume), +#ifdef PCI_IOV + DEVMETHOD(pci_iov_init, iflib_device_iov_init), + DEVMETHOD(pci_iov_uninit, iflib_device_iov_uninit), + DEVMETHOD(pci_iov_add_vf, iflib_device_iov_add_vf), +#endif DEVMETHOD_END }; @@ -198,6 +212,12 @@ static device_method_t ice_iflib_methods[] = { DEVMETHOD(ifdi_suspend, ice_if_suspend), DEVMETHOD(ifdi_resume, ice_if_resume), DEVMETHOD(ifdi_needs_restart, ice_if_needs_restart), +#ifdef PCI_IOV + DEVMETHOD(ifdi_iov_vf_add, ice_if_iov_vf_add), + DEVMETHOD(ifdi_iov_init, ice_if_iov_init), + DEVMETHOD(ifdi_iov_uninit, ice_if_iov_uninit), + DEVMETHOD(ifdi_vflr_handle, ice_if_vflr_handle), +#endif DEVMETHOD_END }; @@ -733,6 +753,9 @@ ice_update_link_status(struct ice_softc *sc, bool update_media) iflib_link_state_change(sc->ctx, LINK_STATE_DOWN, 0); ice_rdma_link_change(sc, LINK_STATE_DOWN, 0); } +#ifdef PCI_IOV + ice_vc_notify_all_vfs_link_state(sc); +#endif update_media = true; } @@ -831,6 +854,14 @@ ice_if_attach_post(if_ctx_t ctx) ice_add_device_sysctls(sc); +#ifdef PCI_IOV + if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_SRIOV)) { + err = ice_iov_attach(sc); + if (err == ENOMEM) + return (err); + } +#endif /* PCI_IOV */ + /* Get DCBX/LLDP state and start DCBX agent */ ice_init_dcb_setup(sc); @@ -953,6 +984,11 @@ ice_if_detach(if_ctx_t ctx) ice_destroy_mirror_interface(sc); ice_rdma_pf_detach(sc); +#ifdef PCI_IOV + if (ice_is_bit_set(sc->feat_cap, ICE_FEATURE_SRIOV)) + ice_iov_detach(sc); +#endif /* PCI_IOV */ + /* Free allocated media types */ ifmedia_removeall(sc->media); @@ -1676,6 +1712,11 @@ ice_if_msix_intr_assign(if_ctx_t ctx, int msix) /* For future interrupt assignments */ sc->last_rid = rid + sc->irdma_vectors; +#ifdef PCI_IOV + /* Create soft IRQ for handling VF resets */ + iflib_softirq_alloc_generic(ctx, NULL, IFLIB_INTR_IOV, sc, 0, "iov"); +#endif + return (0); fail: for (; i >= 0; i--, vector--) @@ -2277,7 +2318,12 @@ ice_transition_recovery_mode(struct ice_softc *sc) ice_rdma_pf_detach(sc); ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); +#ifdef PCI_IOV + if (ice_test_and_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en)) + ice_iov_detach(sc); +#else ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); +#endif /* PCI_IOV */ ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_cap); ice_vsi_del_txqs_ctx(vsi); @@ -2325,7 +2371,12 @@ ice_transition_safe_mode(struct ice_softc *sc) ice_rdma_pf_detach(sc); ice_clear_bit(ICE_FEATURE_RDMA, sc->feat_cap); +#ifdef PCI_IOV + if (ice_test_and_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en)) + ice_iov_detach(sc); +#else ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); +#endif /* PCI_IOV */ ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_cap); ice_clear_bit(ICE_FEATURE_RSS, sc->feat_cap); @@ -2410,6 +2461,15 @@ ice_if_update_admin_status(if_ctx_t ctx) /* Check and update link status */ ice_update_link_status(sc, false); +#ifdef PCI_IOV + /* + * Schedule VFs' reset handler after global resets + * and other events were processed. + */ + if (ice_testandclear_state(&sc->state, ICE_STATE_VFLR_PENDING)) + iflib_iov_intr_deferred(ctx); +#endif + /* * If there are still messages to process, we need to reschedule * ourselves. Otherwise, we can just re-enable the interrupt. We'll be @@ -3349,6 +3409,78 @@ ice_init_link(struct ice_softc *sc) } +#ifdef PCI_IOV +/** + * ice_if_iov_init - iov init handler for iflib + * @ctx: iflib context pointer + * @num_vfs: number of VFs to create + * @params: configuration parameters for the PF + * + * Configure the driver for SR-IOV mode. Used to setup things like memory + * before any VFs are created. + * + * @remark This is a wrapper for ice_iov_init + */ +static int +ice_if_iov_init(if_ctx_t ctx, uint16_t num_vfs, const nvlist_t *params) +{ + struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); + + return ice_iov_init(sc, num_vfs, params); +} + +/** + * ice_if_iov_uninit - iov uninit handler for iflib + * @ctx: iflib context pointer + * + * Destroys VFs and frees their memory and resources. + * + * @remark This is a wrapper for ice_iov_uninit + */ +static void +ice_if_iov_uninit(if_ctx_t ctx) +{ + struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); + + ice_iov_uninit(sc); +} + +/** + * ice_if_iov_vf_add - iov add vf handler for iflib + * @ctx: iflib context pointer + * @vfnum: index of VF to configure + * @params: configuration parameters for the VF + * + * Sets up the VF given by the vfnum index. This is called by the OS + * for each VF created by the PF driver after it is spawned. + * + * @remark This is a wrapper for ice_iov_vf_add + */ +static int +ice_if_iov_vf_add(if_ctx_t ctx, uint16_t vfnum, const nvlist_t *params) +{ + struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); + + return ice_iov_add_vf(sc, vfnum, params); +} + +/** + * ice_if_vflr_handle - iov VFLR handler + * @ctx: iflib context pointer + * + * Performs the necessar teardown or setup required for a VF after + * a VFLR is initiated. + * + * @remark This is a wrapper for ice_iov_handle_vflr + */ +static void +ice_if_vflr_handle(if_ctx_t ctx) +{ + struct ice_softc *sc = (struct ice_softc *)iflib_get_softc(ctx); + ice_iov_handle_vflr(sc); +} +#endif /* PCI_IOV */ + extern struct if_txrx ice_subif_txrx; /** |