diff options
| author |   Felix Manlunas <felix.manlunas@cavium.com> | 2018-08-28 18:51:35 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-08-29 20:07:41 -0700 |
| commit | 6870957ed5bc3a4c15fe556e3ebbb4e2f41d3eed (patch) | |
| tree | 0f9544e453abf8c7ffac1547e564d011305f2b82 /drivers/net/ethernet/cavium/liquidio/lio_main.c | |
| parent | liquidio: improve soft command handling (diff) | |
| download | linux-dev-6870957ed5bc3a4c15fe556e3ebbb4e2f41d3eed.tar.xz linux-dev-6870957ed5bc3a4c15fe556e3ebbb4e2f41d3eed.zip | |
liquidio: make soft command calls synchronous
1. Add wait_for_sc_completion_timeout() for waiting the response and
handling common response errors
2. Send sc's synchronously: remove unused callback function,
and context structure; use wait_for_sc_completion_timeout() to wait
its response.
Signed-off-by: Weilin Chang <weilin.chang@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/lio_main.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_main.c | 42 |
1 files changed, 12 insertions, 30 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index 6663749bb336..8ddc191a9271 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -2969,30 +2969,15 @@ static int liquidio_get_vf_config(struct net_device *netdev, int vfidx, return 0; } -static void trusted_vf_callback(struct octeon_device *oct_dev, - u32 status, void *ptr) -{ - struct octeon_soft_command *sc = (struct octeon_soft_command *)ptr; - struct lio_trusted_vf_ctx *ctx; - - ctx = (struct lio_trusted_vf_ctx *)sc->ctxptr; - ctx->status = status; - - complete(&ctx->complete); -} - static int liquidio_send_vf_trust_cmd(struct lio *lio, int vfidx, bool trusted) { struct octeon_device *oct = lio->oct_dev; - struct lio_trusted_vf_ctx *ctx; struct octeon_soft_command *sc; - int ctx_size, retval; - - ctx_size = sizeof(struct lio_trusted_vf_ctx); - sc = octeon_alloc_soft_command(oct, 0, 0, ctx_size); + int retval; - ctx = (struct lio_trusted_vf_ctx *)sc->ctxptr; - init_completion(&ctx->complete); + sc = octeon_alloc_soft_command(oct, 0, 16, 0); + if (!sc) + return -ENOMEM; sc->iq_no = lio->linfo.txpciq[0].s.q_no; @@ -3001,23 +2986,21 @@ static int liquidio_send_vf_trust_cmd(struct lio *lio, int vfidx, bool trusted) OPCODE_NIC_SET_TRUSTED_VF, 0, vfidx + 1, trusted); - sc->callback = trusted_vf_callback; - sc->callback_arg = sc; - sc->wait_time = 1000; + init_completion(&sc->complete); + sc->sc_status = OCTEON_REQUEST_PENDING; retval = octeon_send_soft_command(oct, sc); if (retval == IQ_SEND_FAILED) { + octeon_free_soft_command(oct, sc); retval = -1; } else { /* Wait for response or timeout */ - if (wait_for_completion_timeout(&ctx->complete, - msecs_to_jiffies(2000))) - retval = ctx->status; - else - retval = -1; - } + retval = wait_for_sc_completion_timeout(oct, sc, 0); + if (retval) + return (retval); - octeon_free_soft_command(oct, sc); + WRITE_ONCE(sc->caller_is_done, true); + } return retval; } @@ -3733,7 +3716,6 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) octeon_dev->speed_setting = 10; } octeon_dev->speed_boot = octeon_dev->speed_setting; - } devlink = devlink_alloc(&liquidio_devlink_ops, |