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sfxge: note VI_SHIFT reported in ALLOC_VIS response

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Submitted by:   Andy Moreton <amoreton at solarflare.com>
Reviewed by:    gnn
Sponsored by:   Solarflare Communications, Inc.
MFC after:      2 days
Differential Revision: https://reviews.freebsd.org/D4892
This commit is contained in:
Andrew Rybchenko 2016-01-13 06:41:39 +00:00
parent 0badfd7281
commit 426f453b52
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=293808
2 changed files with 14 additions and 9 deletions
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1
sys/dev/sfxge/common/efx_impl.h
View File

@ -672,6 +672,7 @@ struct efx_nic_s {
struct {
int ena_vi_base;
int ena_vi_count;
int ena_vi_shift;
#if EFSYS_OPT_VPD
caddr_t ena_svpd;
size_t ena_svpd_length;

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

@ -470,9 +470,9 @@ efx_mcdi_alloc_vis(
__in efx_nic_t *enp,
__in uint32_t min_vi_count,
__in uint32_t max_vi_count,
__out_opt uint32_t *vi_basep,
__out uint32_t *vi_countp)
__out uint32_t *vi_basep,
__out uint32_t *vi_countp,
__out uint32_t *vi_shiftp)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_ALLOC_VIS_IN_LEN,
@ -506,11 +506,14 @@ efx_mcdi_alloc_vis(
goto fail3;
}
if (vi_basep != NULL)
*vi_basep = MCDI_OUT_DWORD(req, ALLOC_VIS_OUT_VI_BASE);
*vi_basep = MCDI_OUT_DWORD(req, ALLOC_VIS_OUT_VI_BASE);
*vi_countp = MCDI_OUT_DWORD(req, ALLOC_VIS_OUT_VI_COUNT);
if (vi_countp != NULL)
*vi_countp = MCDI_OUT_DWORD(req, ALLOC_VIS_OUT_VI_COUNT);
/* Report VI_SHIFT if available (always zero for Huntington) */
if (req.emr_out_length_used < MC_CMD_ALLOC_VIS_EXT_OUT_LEN)
*vi_shiftp = 0;
else
*vi_shiftp = MCDI_OUT_DWORD(req, ALLOC_VIS_EXT_OUT_VI_SHIFT);
return (0);
@ -1560,7 +1563,7 @@ ef10_nic_init(
{
efx_drv_cfg_t *edcp = &(enp->en_drv_cfg);
uint32_t min_vi_count, max_vi_count;
uint32_t vi_count, vi_base;
uint32_t vi_count, vi_base, vi_shift;
uint32_t i;
uint32_t retry;
uint32_t delay_us;
@ -1603,7 +1606,7 @@ ef10_nic_init(
*/
vi_count = 0;
if ((rc = efx_mcdi_alloc_vis(enp, min_vi_count, max_vi_count,
&vi_base, &vi_count)) != 0)
&vi_base, &vi_count, &vi_shift)) != 0)
goto fail3;
EFSYS_PROBE2(vi_alloc, uint32_t, vi_base, uint32_t, vi_count);
@ -1615,6 +1618,7 @@ ef10_nic_init(
enp->en_arch.ef10.ena_vi_base = vi_base;
enp->en_arch.ef10.ena_vi_count = vi_count;
enp->en_arch.ef10.ena_vi_shift = vi_shift;
if (vi_count < min_vi_count + enp->en_arch.ef10.ena_piobuf_count) {
/* Not enough extra VIs to map piobufs */