diff options
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c | 123 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h | 21 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c | 25 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.h | 1 |
5 files changed, 170 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 6f21a09..249ba70 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -8626,6 +8626,7 @@ void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link) netif_addr_unlock_bh(bp->dev); + bnx2x_iov_chip_cleanup(bp); /* diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 3dd3a6a..71d0976 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1422,6 +1422,14 @@ bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc) /* num_sbs already set */ } +/* FLR routines: */ +static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf) +{ + /* reset the state variables */ + bnx2x_iov_static_resc(bp, &vf->alloc_resc); + vf->state = VF_FREE; +} + /* IOV global initialization routines */ void bnx2x_iov_init_dq(struct bnx2x *bp) { @@ -1947,6 +1955,21 @@ int bnx2x_iov_nic_init(struct bnx2x *bp) return 0; } +/* called by bnx2x_chip_cleanup */ +int bnx2x_iov_chip_cleanup(struct bnx2x *bp) +{ + int i; + + if (!IS_SRIOV(bp)) + return 0; + + /* release all the VFs */ + for_each_vf(bp, i) + bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */ + + return 0; +} + /* called by bnx2x_init_hw_func, returns the next ilt line */ int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line) { @@ -2566,6 +2589,106 @@ int bnx2x_vfop_close_cmd(struct bnx2x *bp, return -ENOMEM; } +/* VF release can be called either: 1. the VF was acquired but + * not enabled 2. the vf was enabled or in the process of being + * enabled + */ +static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf) +{ + struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); + struct bnx2x_vfop_cmd cmd = { + .done = bnx2x_vfop_release, + .block = false, + }; + + DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc); + + if (vfop->rc < 0) + goto op_err; + + DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid, + vf->state == VF_FREE ? "Free" : + vf->state == VF_ACQUIRED ? "Acquired" : + vf->state == VF_ENABLED ? "Enabled" : + vf->state == VF_RESET ? "Reset" : + "Unknown"); + + switch (vf->state) { + case VF_ENABLED: + vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd); + if (vfop->rc) + goto op_err; + return; + + case VF_ACQUIRED: + DP(BNX2X_MSG_IOV, "about to free resources\n"); + bnx2x_vf_free_resc(bp, vf); + DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc); + goto op_done; + + case VF_FREE: + case VF_RESET: + /* do nothing */ + goto op_done; + default: + bnx2x_vfop_default(vf->state); + } +op_err: + BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc); +op_done: + bnx2x_vfop_end(bp, vf, vfop); +} + +int bnx2x_vfop_release_cmd(struct bnx2x *bp, + struct bnx2x_virtf *vf, + struct bnx2x_vfop_cmd *cmd) +{ + struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); + if (vfop) { + bnx2x_vfop_opset(-1, /* use vf->state */ + bnx2x_vfop_release, cmd->done); + return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release, + cmd->block); + } + return -ENOMEM; +} + +/* VF release ~ VF close + VF release-resources + * Release is the ultimate SW shutdown and is called whenever an + * irrecoverable error is encountered. + */ +void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block) +{ + struct bnx2x_vfop_cmd cmd = { + .done = NULL, + .block = block, + }; + int rc; + bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF); + + rc = bnx2x_vfop_release_cmd(bp, vf, &cmd); + if (rc) + WARN(rc, + "VF[%d] Failed to allocate resources for release op- rc=%d\n", + vf->abs_vfid, rc); +} + +static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp, + struct bnx2x_virtf *vf, u32 *sbdf) +{ + *sbdf = vf->devfn | (vf->bus << 8); +} + +static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf, + struct bnx2x_vf_bar_info *bar_info) +{ + int n; + + bar_info->nr_bars = bp->vfdb->sriov.nres; + for (n = 0; n < bar_info->nr_bars; n++) + bar_info->bars[n] = vf->bars[n]; +} + void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, enum channel_tlvs tlv) { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h index d2a65d6..a09db28 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h @@ -51,6 +51,11 @@ struct bnx2x_vf_bar { u32 size; }; +struct bnx2x_vf_bar_info { + struct bnx2x_vf_bar bars[PCI_SRIOV_NUM_BARS]; + u8 nr_bars; +}; + /* vf queue (used both for rx or tx) */ struct bnx2x_vf_queue { struct eth_context *cxt; @@ -429,6 +434,7 @@ void bnx2x_iov_remove_one(struct bnx2x *bp); void bnx2x_iov_free_mem(struct bnx2x *bp); int bnx2x_iov_alloc_mem(struct bnx2x *bp); int bnx2x_iov_nic_init(struct bnx2x *bp); +int bnx2x_iov_chip_cleanup(struct bnx2x *bp); void bnx2x_iov_init_dq(struct bnx2x *bp); void bnx2x_iov_init_dmae(struct bnx2x *bp); void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid, @@ -546,6 +552,11 @@ static inline void bnx2x_vfop_end(struct bnx2x *bp, struct bnx2x_virtf *vf, if (vfop->done) { DP(BNX2X_MSG_IOV, "calling done handler\n"); vfop->done(bp, vf); + } else { + /* there is no done handler for the operation to unlock + * the mutex. Must have gotten here from PF initiated VF RELEASE + */ + bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF); } DP(BNX2X_MSG_IOV, "done handler complete. vf->op_rc %d, vfop->rc %d\n", @@ -661,6 +672,16 @@ int bnx2x_vfop_close_cmd(struct bnx2x *bp, struct bnx2x_virtf *vf, struct bnx2x_vfop_cmd *cmd); +int bnx2x_vfop_release_cmd(struct bnx2x *bp, + struct bnx2x_virtf *vf, + struct bnx2x_vfop_cmd *cmd); + +/* VF release ~ VF close + VF release-resources + * + * Release is the ultimate SW shutdown and is called whenever an + * irrecoverable error is encountered. + */ +void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block); int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid); u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf); /* VF FLR helpers */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c index 73368aa..ba8b95d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c @@ -228,7 +228,7 @@ static void bnx2x_vf_mbx_resp(struct bnx2x *bp, struct bnx2x_virtf *vf) if (rc) { BNX2X_ERR("Failed to copy response body to VF %d\n", vf->abs_vfid); - return; + goto mbx_error; } vf_addr -= sizeof(u64); pf_addr -= sizeof(u64); @@ -255,8 +255,12 @@ static void bnx2x_vf_mbx_resp(struct bnx2x *bp, struct bnx2x_virtf *vf) if (rc) { BNX2X_ERR("Failed to copy response status to VF %d\n", vf->abs_vfid); + goto mbx_error; } return; + +mbx_error: + bnx2x_vf_release(bp, vf, false); /* non blocking */ } static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, @@ -819,6 +823,21 @@ static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, bnx2x_vf_mbx_resp(bp, vf); } +static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, + struct bnx2x_vf_mbx *mbx) +{ + struct bnx2x_vfop_cmd cmd = { + .done = bnx2x_vf_mbx_resp, + .block = false, + }; + + DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); + + vf->op_rc = bnx2x_vfop_release_cmd(bp, vf, &cmd); + if (vf->op_rc) + bnx2x_vf_mbx_resp(bp, vf); +} + /* dispatch request */ static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, struct bnx2x_vf_mbx *mbx) @@ -852,6 +871,9 @@ static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, case CHANNEL_TLV_CLOSE: bnx2x_vf_mbx_close_vf(bp, vf, mbx); break; + case CHANNEL_TLV_RELEASE: + bnx2x_vf_mbx_release_vf(bp, vf, mbx); + break; } } else { @@ -942,6 +964,7 @@ void bnx2x_vf_mbx(struct bnx2x *bp, struct vf_pf_event_data *vfpf_event) goto mbx_done; mbx_error: + bnx2x_vf_release(bp, vf, false); /* non blocking */ mbx_done: return; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.h index bf11e08..6278a9e 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.h @@ -310,6 +310,7 @@ enum channel_tlvs { CHANNEL_TLV_TEARDOWN_Q, CHANNEL_TLV_CLOSE, CHANNEL_TLV_RELEASE, + CHANNEL_TLV_PF_RELEASE_VF, CHANNEL_TLV_LIST_END, CHANNEL_TLV_MAX }; |