From: loic pallardy <loic.pallardy@st.com>
To: Lee Jones <lee.jones@linaro.org>
Cc: <bjorn.andersson@linaro.org>, <ohad@wizery.com>,
<linux-remoteproc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <kernel@stlinux.com>
Subject: Re: [PATCH v2 11/19] remoteproc: core: Add function to get resource table spare bytes information
Date: Thu, 8 Sep 2016 11:47:59 +0200 [thread overview]
Message-ID: <9cedf5fc-3f9f-3800-07b2-d25c566e1eb2@st.com> (raw)
In-Reply-To: <20160908083251.GK4921@dell>
On 09/08/2016 10:32 AM, Lee Jones wrote:
> On Wed, 31 Aug 2016, Loic Pallardy wrote:
>
>> Remoteproc needs to know if a resource table has spare resource
>> allowing resoure table extension.
>> This function parse resource table to detect spare resource.
>> If any, it returns available spare bytes and index of spare resource.
>>
>> Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
>> ---
>> drivers/remoteproc/remoteproc_core.c | 29 +++++++++++++++++++++++++++++
>> 1 file changed, 29 insertions(+)
>>
>> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
>> index ffb56c0..30e9c70 100644
>> --- a/drivers/remoteproc/remoteproc_core.c
>> +++ b/drivers/remoteproc/remoteproc_core.c
>> @@ -951,6 +951,35 @@ int rproc_request_resource(struct rproc *rproc, u32 type, u32 action, void *reso
>> }
>> EXPORT_SYMBOL(rproc_request_resource);
>>
>> +static int __get_rsc_tbl_spare_size(struct rproc *rproc,
>
> size_t?
ok
>
>> + struct resource_table *table_ptr, int len,
>> + int *spare_index)
>> +{
>> + struct device *dev = &rproc->dev;
>> + int i;
>> +
>> + for (i = 0; i < table_ptr->num; i++) {
>> + int offset = table_ptr->offset[i];
>> + struct fw_rsc_hdr *hdr = (void *)table_ptr + offset;
>> + struct fw_rsc_spare *spare = (void *)hdr + sizeof(*hdr);
>> +
>> + dev_dbg(dev, "rsc: type %d\n", hdr->type);
>
> This doesn't need to be in upstream code.
Sure
>
>> + if (hdr->type >= RSC_LAST) {
>> + dev_warn(dev, "unsupported resource %d\n", hdr->type);
>> + continue;
>> + }
>
> If we're only interested in RSC_SPARE, I think we can omit this check.
>
> No need to police the resource table everywhere.
True and complete table sanity check done before.
I'll remove
Thanks,
Loic
>
>> + if (hdr->type != RSC_SPARE)
>> + continue;
>> +
>> + *spare_index = i;
>> + return spare->len;
>> + }
>> +
>> + return 0;
>> +}
>> +
>> static int __verify_rsc_tbl_entry(struct rproc *rproc,
>> struct rproc_request_resource *request,
>> struct resource_table *table, int size)
>
next prev parent reply other threads:[~2016-09-08 9:48 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-31 20:50 [PATCH v2 00/19] remoteproc: Allow platform-specific drivers to request resources Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 01/19] remoteproc: core: New API to add new resources to the resource table Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 02/19] remoteproc: core: Add function to dump " Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 03/19] remoteproc: core: Add function to amend an existing resource table entry Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 04/19] remoteproc: core: Add function to append a new " Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 05/19] remoteproc: core: Add function to over-ride current resource table Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 06/19] remoteproc: core: Add explicit message error if cached table failed Loic Pallardy
2016-09-01 7:09 ` Lee Jones
2016-09-08 9:40 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 07/19] remoteproc: Add new resource type for resource table spare bytes Loic Pallardy
2016-09-15 17:54 ` Bjorn Andersson
2016-09-16 9:02 ` loic pallardy
2016-09-16 17:12 ` Bjorn Andersson
2016-09-19 7:50 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 08/19] remoteproc: core: Associate action to resource request Loic Pallardy
2016-09-01 7:23 ` Lee Jones
2016-09-08 9:43 ` loic pallardy
2016-09-08 11:03 ` Lee Jones
2016-08-31 20:50 ` [PATCH v2 09/19] remoteproc: core: Finalize dump resource table function Loic Pallardy
2016-09-08 8:26 ` Lee Jones
2016-09-08 9:46 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 10/19] remoteproc: core: Add function to verify an existing resource in rsc table Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 11/19] remoteproc: core: Add function to get resource table spare bytes information Loic Pallardy
2016-09-08 8:32 ` Lee Jones
2016-09-08 9:47 ` loic pallardy [this message]
2016-08-31 20:50 ` [PATCH v2 12/19] remoteproc: core: Add vdev support and force mode to resource amending function Loic Pallardy
2016-09-08 8:48 ` Lee Jones
2016-09-08 9:49 ` loic pallardy
2016-09-08 11:02 ` Lee Jones
2016-09-08 13:11 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 13/19] remoteproc: core: Append resource only if spare resource present Loic Pallardy
2016-09-08 9:33 ` Lee Jones
2016-09-08 9:54 ` loic pallardy
2016-09-08 11:00 ` Lee Jones
2016-08-31 20:50 ` [PATCH v2 14/19] remoteproc: core: Add resource request action support Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 15/19] remoteproc: core: Add function to verify resource table consistency Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 16/19] remoteproc: core: Clean-up resource table sanity checks Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 17/19] remotecore: core: Add resource table pointer argument to rproc_handle_resource Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 18/19] remoteproc: core: Add function to create remoteproc local resource table Loic Pallardy
2016-09-08 10:20 ` Lee Jones
2016-09-08 13:15 ` loic pallardy
2016-09-15 18:58 ` Bjorn Andersson
2016-09-19 7:46 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 19/19] remoteproc: core: Support empty resource tables Loic Pallardy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=9cedf5fc-3f9f-3800-07b2-d25c566e1eb2@st.com \
--to=loic.pallardy@st.com \
--cc=bjorn.andersson@linaro.org \
--cc=kernel@stlinux.com \
--cc=lee.jones@linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-remoteproc@vger.kernel.org \
--cc=ohad@wizery.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).