| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20200519230759.GA3008945@ripper>
Date: Tue, 19 May 2020 16:07:59 -0700
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: rishabhb@...eaurora.org
Cc: Andy Gross <agross@...nel.org>, Ohad Ben-Cohen <ohad@...ery.com>,
Rob Herring <robh+dt@...nel.org>,
linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-remoteproc-owner@...r.kernel.org
Subject: Re: [PATCH v5 3/5] remoteproc: qcom: Update PIL relocation info on
load
On Tue 19 May 11:14 PDT 2020, rishabhb@...eaurora.org wrote:
> On 2020-05-12 22:56, Bjorn Andersson wrote:
> > Update the PIL relocation information in IMEM with information about
> > where the firmware for various remoteprocs are loaded.
> >
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> > ---
> >
> > Changes since v4:
> > - Dropped unnecessary comment about ignoring return value.
> >
> > drivers/remoteproc/Kconfig | 3 +++
> > drivers/remoteproc/qcom_q6v5_adsp.c | 16 +++++++++++++---
> > drivers/remoteproc/qcom_q6v5_mss.c | 3 +++
> > drivers/remoteproc/qcom_q6v5_pas.c | 15 ++++++++++++---
> > drivers/remoteproc/qcom_q6v5_wcss.c | 14 +++++++++++---
> > drivers/remoteproc/qcom_wcnss.c | 14 +++++++++++---
> > 6 files changed, 53 insertions(+), 12 deletions(-)
> >
> > diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
> > index 8088ca4dd6dc..6bd42a411ca8 100644
> > --- a/drivers/remoteproc/Kconfig
> > +++ b/drivers/remoteproc/Kconfig
> > @@ -126,6 +126,7 @@ config QCOM_Q6V5_ADSP
> > depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
> > depends on QCOM_SYSMON || QCOM_SYSMON=n
> > select MFD_SYSCON
> > + select QCOM_PIL_INFO
> > select QCOM_MDT_LOADER
> > select QCOM_Q6V5_COMMON
> > select QCOM_RPROC_COMMON
> > @@ -158,6 +159,7 @@ config QCOM_Q6V5_PAS
> > depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
> > depends on QCOM_SYSMON || QCOM_SYSMON=n
> > select MFD_SYSCON
> > + select QCOM_PIL_INFO
> > select QCOM_MDT_LOADER
> > select QCOM_Q6V5_COMMON
> > select QCOM_RPROC_COMMON
> > @@ -209,6 +211,7 @@ config QCOM_WCNSS_PIL
> > depends on QCOM_SMEM
> > depends on QCOM_SYSMON || QCOM_SYSMON=n
> > select QCOM_MDT_LOADER
> > + select QCOM_PIL_INFO
> > select QCOM_RPROC_COMMON
> > select QCOM_SCM
> > help
> > diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c
> > b/drivers/remoteproc/qcom_q6v5_adsp.c
> > index d2a2574dcf35..c539e89664cb 100644
> > --- a/drivers/remoteproc/qcom_q6v5_adsp.c
> > +++ b/drivers/remoteproc/qcom_q6v5_adsp.c
> > @@ -26,6 +26,7 @@
> > #include <linux/soc/qcom/smem_state.h>
> >
> > #include "qcom_common.h"
> > +#include "qcom_pil_info.h"
> > #include "qcom_q6v5.h"
> > #include "remoteproc_internal.h"
> >
> > @@ -82,6 +83,7 @@ struct qcom_adsp {
> > unsigned int halt_lpass;
> >
> > int crash_reason_smem;
> > + const char *info_name;
> >
> > struct completion start_done;
> > struct completion stop_done;
> > @@ -164,10 +166,17 @@ static int qcom_adsp_shutdown(struct qcom_adsp
> > *adsp)
> > static int adsp_load(struct rproc *rproc, const struct firmware *fw)
> > {
> > struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
> > + int ret;
> > +
> > + ret = qcom_mdt_load_no_init(adsp->dev, fw, rproc->firmware, 0,
> > + adsp->mem_region, adsp->mem_phys,
> > + adsp->mem_size, &adsp->mem_reloc);
> > + if (ret)
> > + return ret;
> > +
> > + qcom_pil_info_store(adsp->info_name, adsp->mem_reloc, adsp->mem_size);
> >
> > - return qcom_mdt_load_no_init(adsp->dev, fw, rproc->firmware, 0,
> > - adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> > - &adsp->mem_reloc);
> > + return 0;
> > }
> >
> > static int adsp_start(struct rproc *rproc)
> > @@ -436,6 +445,7 @@ static int adsp_probe(struct platform_device *pdev)
> > adsp = (struct qcom_adsp *)rproc->priv;
> > adsp->dev = &pdev->dev;
> > adsp->rproc = rproc;
> > + adsp->info_name = desc->sysmon_name;
> > platform_set_drvdata(pdev, adsp);
> >
> > ret = adsp_alloc_memory_region(adsp);
> > diff --git a/drivers/remoteproc/qcom_q6v5_mss.c
> > b/drivers/remoteproc/qcom_q6v5_mss.c
> > index c4936f4d1e80..fdbcae11ae64 100644
> > --- a/drivers/remoteproc/qcom_q6v5_mss.c
> > +++ b/drivers/remoteproc/qcom_q6v5_mss.c
> > @@ -29,6 +29,7 @@
> >
> > #include "remoteproc_internal.h"
> > #include "qcom_common.h"
> > +#include "qcom_pil_info.h"
> > #include "qcom_q6v5.h"
> >
> > #include <linux/qcom_scm.h>
> > @@ -1221,6 +1222,8 @@ static int q6v5_mpss_load(struct q6v5 *qproc)
> > else if (ret < 0)
> > dev_err(qproc->dev, "MPSS authentication failed: %d\n", ret);
> >
> > + qcom_pil_info_store("modem", mpss_reloc, qproc->mpss_size);
> > +
> > release_firmware:
> > release_firmware(fw);
> > out:
> > diff --git a/drivers/remoteproc/qcom_q6v5_pas.c
> > b/drivers/remoteproc/qcom_q6v5_pas.c
> > index 3bb69f58e086..84cb19231c35 100644
> > --- a/drivers/remoteproc/qcom_q6v5_pas.c
> > +++ b/drivers/remoteproc/qcom_q6v5_pas.c
> > @@ -25,6 +25,7 @@
> > #include <linux/soc/qcom/smem_state.h>
> >
> > #include "qcom_common.h"
> > +#include "qcom_pil_info.h"
> > #include "qcom_q6v5.h"
> > #include "remoteproc_internal.h"
> >
> > @@ -64,6 +65,7 @@ struct qcom_adsp {
> > int pas_id;
> > int crash_reason_smem;
> > bool has_aggre2_clk;
> > + const char *info_name;
> >
> > struct completion start_done;
> > struct completion stop_done;
> > @@ -117,11 +119,17 @@ static void adsp_pds_disable(struct qcom_adsp
> > *adsp, struct device **pds,
> > static int adsp_load(struct rproc *rproc, const struct firmware *fw)
> > {
> > struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
> > + int ret;
> >
> > - return qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
> > - adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> > - &adsp->mem_reloc);
> > + ret = qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
> > + adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> > + &adsp->mem_reloc);
> > + if (ret)
> > + return ret;
> >
> > + qcom_pil_info_store(adsp->info_name, adsp->mem_reloc, adsp->mem_size);
> mem_reloc is used to calculate offset and then we again add that offset to
> the
> ioremapped region base. So we should pass adsp->mem_phys as start here?
You're correct, I will respin this.
Thanks,
Bjorn
Powered by blists - more mailing lists