diff options
| author | Roy Pledge <Roy.Pledge@freescale.com> | 2013-08-13 15:25:33 (GMT) |
|---|---|---|
| committer | Rivera Jose-B46482 <Jose.G.Rivera@freescale.com> | 2013-08-15 14:46:50 (GMT) |
| commit | c639ccce631a1ab6575d31207ac8b09a31bfde5e (patch) | |
| tree | 6d070a7e69289f16aa64b09e97af2dd4d0a6cb4d /drivers/staging/fsl_qbman/qman_driver.c | |
| parent | 18621b815334dbcda6369b70dce81c985a48fde3 (diff) | |
| download | linux-fsl-qoriq-c639ccce631a1ab6575d31207ac8b09a31bfde5e.tar.xz | |
Add API to allocate specific portals based on index.
This allows an application to get back the exact portal it was
previously using by specifing the portals index value.
Signed-off-by: Roy Pledge <Roy.Pledge@freescale.com>
Change-Id: I8233816f0519731eb65b3671d68a01266eee42dd
Reviewed-on: http://git.am.freescale.net:8181/4002
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Ladouceur Jeffrey-R11498 <Jeffrey.Ladouceur@freescale.com>
Reviewed-by: Wang Haiying-R54964 <Haiying.Wang@freescale.com>
Reviewed-by: Rivera Jose-B46482 <Jose.G.Rivera@freescale.com>
Diffstat (limited to 'drivers/staging/fsl_qbman/qman_driver.c')
| -rw-r--r-- | drivers/staging/fsl_qbman/qman_driver.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/staging/fsl_qbman/qman_driver.c b/drivers/staging/fsl_qbman/qman_driver.c index 6d879a4..b706b21 100644 --- a/drivers/staging/fsl_qbman/qman_driver.c +++ b/drivers/staging/fsl_qbman/qman_driver.c @@ -455,6 +455,21 @@ static struct qm_portal_config *get_pcfg(struct list_head *list) return pcfg; } +static struct qm_portal_config *get_pcfg_idx(struct list_head *list, u32 idx) +{ + struct qm_portal_config *pcfg; + if (list_empty(list)) + return NULL; + list_for_each_entry(pcfg, list, list) { + if (pcfg->public_cfg.index == idx) { + list_del(&pcfg->list); + return pcfg; + } + } + return NULL; +} + + static void portal_set_cpu(struct qm_portal_config *pcfg, int cpu) { int ret; @@ -531,11 +546,14 @@ _iommu_domain_free: iommu_domain_free(pcfg->iommu_domain); } -struct qm_portal_config *qm_get_unused_portal(void) +struct qm_portal_config *qm_get_unused_portal_idx(u32 idx) { struct qm_portal_config *ret; spin_lock(&unused_pcfgs_lock); - ret = get_pcfg(&unused_pcfgs); + if (idx == QBMAN_ANY_PORTAL_IDX) + ret = get_pcfg(&unused_pcfgs); + else + ret = get_pcfg_idx(&unused_pcfgs, idx); spin_unlock(&unused_pcfgs_lock); /* Bind stashing LIODNs to the CPU we are currently executing on, and * set the portal to use the stashing request queue corresonding to the @@ -550,6 +568,11 @@ struct qm_portal_config *qm_get_unused_portal(void) return ret; } +struct qm_portal_config *qm_get_unused_portal() +{ + return qm_get_unused_portal_idx(QBMAN_ANY_PORTAL_IDX); +} + void qm_put_unused_portal(struct qm_portal_config *pcfg) { spin_lock(&unused_pcfgs_lock); |