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sfxge: [2/6] rework MCDI response polling

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Required to support MCDI proxy authorization.

Submitted by:   Andy Moreton <amoreton at solarflare.com>
Reviewed by:    gnn
Sponsored by:   Solarflare Communications, Inc.
MFC after:      1 week
Differential Revision: https://reviews.freebsd.org/D4418
This commit is contained in:
Andrew Rybchenko 2015-12-07 07:22:21 +00:00
parent 3edad19717
commit 06af9686c1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=291928
3 changed files with 42 additions and 11 deletions
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8
sys/dev/sfxge/common/efx_mcdi.c
View File

@ -52,9 +52,9 @@ static efx_mcdi_ops_t __efx_mcdi_siena_ops = {
siena_mcdi_fini, /* emco_fini */
siena_mcdi_fw_update_supported, /* emco_fw_update_supported */
siena_mcdi_macaddr_change_supported,
/* emco_macaddr_change_supported */
/* emco_macaddr_change_supported */
siena_mcdi_link_control_supported,
/* emco_link_control_supported */
/* emco_link_control_supported */
};
#endif /* EFSYS_OPT_SIENA */
@ -70,9 +70,9 @@ static efx_mcdi_ops_t __efx_mcdi_hunt_ops = {
hunt_mcdi_fini, /* emco_fini */
hunt_mcdi_fw_update_supported, /* emco_fw_update_supported */
hunt_mcdi_macaddr_change_supported,
/* emco_macaddr_change_supported */
/* emco_macaddr_change_supported */
hunt_mcdi_link_control_supported,
/* emco_link_control_supported */
/* emco_link_control_supported */
};
#endif /* EFSYS_OPT_HUNTINGTON */

22
sys/dev/sfxge/common/hunt_mcdi.c
View File

@ -274,6 +274,18 @@ hunt_mcdi_request_copyout(
#endif /* EFSYS_OPT_MCDI_LOGGING */
}
static __checkReturn boolean_t
hunt_mcdi_poll_response(
__in efx_nic_t *enp)
{
const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
efsys_mem_t *esmp = emtp->emt_dma_mem;
efx_dword_t hdr;
EFSYS_MEM_READD(esmp, 0, &hdr);
return (EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE) ? B_TRUE : B_FALSE);
}
__checkReturn boolean_t
hunt_mcdi_request_poll(
__in efx_nic_t *enp)
@ -301,13 +313,15 @@ hunt_mcdi_request_poll(
offset = 0;
/* Read the command header */
EFSYS_MEM_READD(esmp, offset, &hdr[0]);
offset += sizeof (efx_dword_t);
if (EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_RESPONSE) == 0) {
/* Check if a response is available */
if (hunt_mcdi_poll_response(enp) == B_FALSE) {
EFSYS_UNLOCK(enp->en_eslp, state);
return (B_FALSE);
}
/* Read the response header */
EFSYS_MEM_READD(esmp, offset, &hdr[0]);
offset += sizeof (efx_dword_t);
if (EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_CODE) == MC_CMD_V2_EXTN) {
EFSYS_MEM_READD(esmp, offset, &hdr[1]);
offset += sizeof (efx_dword_t);

23
sys/dev/sfxge/common/siena_mcdi.c
View File

@ -191,6 +191,21 @@ siena_mcdi_poll_reboot(
#endif
}
static __checkReturn boolean_t
siena_mcdi_poll_response(
__in efx_nic_t *enp)
{
efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
efx_dword_t hdr;
unsigned int pdur;
EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2);
pdur = SIENA_MCDI_PDU(emip);
EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM, pdur, &hdr, B_FALSE);
return (EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE) ? B_TRUE : B_FALSE);
}
__checkReturn boolean_t
siena_mcdi_request_poll(
__in efx_nic_t *enp)
@ -229,13 +244,15 @@ siena_mcdi_request_poll(
EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2);
pdur = SIENA_MCDI_PDU(emip);
/* Read the command header */
EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM, pdur, &hdr, B_FALSE);
if (EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE) == 0) {
/* Check if a response is available */
if (siena_mcdi_poll_response(enp) == B_FALSE) {
EFSYS_UNLOCK(enp->en_eslp, state);
return (B_FALSE);
}
/* Read the response header */
EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM, pdur, &hdr, B_FALSE);
/* Request complete */
emip->emi_pending_req = NULL;
seq = (emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ);