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sfc: Store flags from MC_CMD_DRV_ATTACH for later use

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Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2013-10-16 18:32:34 +01:00
parent ac36baf817
commit 8349f7f610
2 changed files with 18 additions and 2 deletions
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18
drivers/net/ethernet/sfc/mcdi.c
View file

@ -1132,13 +1132,27 @@ static int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating,
goto fail;
}
if (driver_operating) {
if (outlen >= MC_CMD_DRV_ATTACH_EXT_OUT_LEN) {
efx->mcdi->fn_flags =
MCDI_DWORD(outbuf,
DRV_ATTACH_EXT_OUT_FUNC_FLAGS);
} else {
/* Synthesise flags for Siena */
efx->mcdi->fn_flags =
1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL |
1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_TRUSTED |
(efx_port_num(efx) == 0) <<
MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_PRIMARY;
}
}
/* We currently assume we have control of the external link
* and are completely trusted by firmware. Abort probing
* if that's not true for this function.
*/
if (driver_operating &&
outlen >= MC_CMD_DRV_ATTACH_EXT_OUT_LEN &&
(MCDI_DWORD(outbuf, DRV_ATTACH_EXT_OUT_FUNC_FLAGS) &
(efx->mcdi->fn_flags &
(1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL |
1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_TRUSTED)) !=
(1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL |

2
drivers/net/ethernet/sfc/mcdi.h
View file

@ -94,12 +94,14 @@ struct efx_mcdi_mtd_partition {
* struct efx_mcdi_data - extra state for NICs that implement MCDI
* @iface: Interface/protocol state
* @hwmon: Hardware monitor state
* @fn_flags: Flags for this function, as returned by %MC_CMD_DRV_ATTACH.
*/
struct efx_mcdi_data {
struct efx_mcdi_iface iface;
#ifdef CONFIG_SFC_MCDI_MON
struct efx_mcdi_mon hwmon;
#endif
u32 fn_flags;
};
#ifdef CONFIG_SFC_MCDI_MON