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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: santosh <santosh.shukla@caviumnetworks.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2 3/5] eal/memory: rename memseg member phys to iova addr
Date: Mon, 18 Sep 2017 16:11:36 +0100	[thread overview]
Message-ID: <ab6534cf-f1b6-87a2-4897-01e1b73277f6@intel.com> (raw)
In-Reply-To: <dd9ea836-0278-debd-e874-56b5a90998cb@caviumnetworks.com>

On 18-Sep-17 4:08 PM, santosh wrote:
> Hi Anatoly,
> 
> 
> On Monday 18 September 2017 08:34 PM, Burakov, Anatoly wrote:
>> On 05-Sep-17 11:31 AM, Santosh Shukla wrote:
>>> Renaming rte_memseg {.phys_addr} to {.iova_addr}
>>>
>>> Signed-off-by: Santosh Shukla <santosh.shukla at caviumnetworks.com>
>>> ---
>>> v1 --> v2:
>>> - includes freebsdp v1 build fixes.
>>>
>>>    lib/librte_eal/bsdapp/eal/eal_memory.c     | 4 ++--
>>>    lib/librte_eal/common/eal_common_memory.c  | 2 +-
>>>    lib/librte_eal/common/include/rte_memory.h | 4 ++--
>>>    lib/librte_eal/common/rte_malloc.c         | 5 +++--
>>>    lib/librte_eal/linuxapp/eal/eal_memory.c   | 8 ++++----
>>>    lib/librte_eal/linuxapp/eal/eal_vfio.c     | 4 ++--
>>>    6 files changed, 14 insertions(+), 13 deletions(-)
>>>
>>> diff --git a/lib/librte_eal/bsdapp/eal/eal_memory.c b/lib/librte_eal/bsdapp/eal/eal_memory.c
>>> index 10c2e121f..d8882dcef 100644
>>> --- a/lib/librte_eal/bsdapp/eal/eal_memory.c
>>> +++ b/lib/librte_eal/bsdapp/eal/eal_memory.c
>>> @@ -73,7 +73,7 @@ rte_eal_hugepage_init(void)
>>>        /* for debug purposes, hugetlbfs can be disabled */
>>>        if (internal_config.no_hugetlbfs) {
>>>            addr = malloc(internal_config.memory);
>>> -        mcfg->memseg[0].phys_addr = (iova_addr_t)(uintptr_t)addr;
>>> +        mcfg->memseg[0].iova_addr = (iova_addr_t)(uintptr_t)addr;
>>>            mcfg->memseg[0].addr = addr;
>>>            mcfg->memseg[0].hugepage_sz = RTE_PGSIZE_4K;
>>>            mcfg->memseg[0].len = internal_config.memory;
>>> @@ -114,7 +114,7 @@ rte_eal_hugepage_init(void)
>>>                  seg = &mcfg->memseg[seg_idx++];
>>>                seg->addr = addr;
>>> -            seg->phys_addr = physaddr;
>>> +            seg->iova_addr = (iova_addr_t)physaddr;
>>>                seg->hugepage_sz = hpi->hugepage_sz;
>>>                seg->len = hpi->hugepage_sz;
>>>                seg->nchannel = mcfg->nchannel;
>>> diff --git a/lib/librte_eal/common/eal_common_memory.c b/lib/librte_eal/common/eal_common_memory.c
>>> index 996877ef5..5ed83d20a 100644
>>> --- a/lib/librte_eal/common/eal_common_memory.c
>>> +++ b/lib/librte_eal/common/eal_common_memory.c
>>> @@ -100,7 +100,7 @@ rte_dump_physmem_layout(FILE *f)
>>>                   "virt:%p, socket_id:%"PRId32", "
>>>                   "hugepage_sz:%"PRIu64", nchannel:%"PRIx32", "
>>>                   "nrank:%"PRIx32"\n", i,
>>> -               mcfg->memseg[i].phys_addr,
>>> +               mcfg->memseg[i].iova_addr,
>>>                   mcfg->memseg[i].len,
>>>                   mcfg->memseg[i].addr,
>>>                   mcfg->memseg[i].socket_id,
>>> diff --git a/lib/librte_eal/common/include/rte_memory.h b/lib/librte_eal/common/include/rte_memory.h
>>> index 5face8c86..6b148ba8e 100644
>>> --- a/lib/librte_eal/common/include/rte_memory.h
>>> +++ b/lib/librte_eal/common/include/rte_memory.h
>>> @@ -98,14 +98,14 @@ enum rte_page_sizes {
>>>     */
>>>    #define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE)
>>>    -typedef uint64_t iova_addr_t; /**< Physical address definition. */
>>> +typedef uint64_t iova_addr_t; /**< Iova address definition. */
>>>    #define RTE_BAD_PHYS_ADDR ((iova_addr_t)-1)
>>>      /**
>>>     * Physical memory segment descriptor.
>>>     */
>>>    struct rte_memseg {
>>> -    iova_addr_t phys_addr;      /**< Start physical address. */
>>> +    iova_addr_t iova_addr;      /**< Start iova(_pa or _va) address. */
>>>        RTE_STD_C11
>>>        union {
>>>            void *addr;         /**< Start virtual address. */
>>> diff --git a/lib/librte_eal/common/rte_malloc.c b/lib/librte_eal/common/rte_malloc.c
>>> index 3ce6034bf..b65a06f9d 100644
>>> --- a/lib/librte_eal/common/rte_malloc.c
>>> +++ b/lib/librte_eal/common/rte_malloc.c
>>> @@ -254,7 +254,8 @@ rte_malloc_virt2phy(const void *addr)
>>>        const struct malloc_elem *elem = malloc_elem_from_data(addr);
>>>        if (elem == NULL)
>>>            return RTE_BAD_PHYS_ADDR;
>>> -    if (elem->ms->phys_addr == RTE_BAD_PHYS_ADDR)
>>> +    if (elem->ms->iova_addr == RTE_BAD_PHYS_ADDR)
>>>            return RTE_BAD_PHYS_ADDR;
>>> -    return elem->ms->phys_addr + ((uintptr_t)addr - (uintptr_t)elem->ms->addr);
>>> +    return elem->ms->iova_addr +
>>> +        ((uintptr_t)addr - (uintptr_t)elem->ms->addr);
>>
>> Hi Santosh,
>>
>> I understand that this is a simple search-replace patch, but maybe you could go ahead and fix this to be RTE_PTR_DIFF, like in below case.
>>
> Agree, Little scared to do more than one change in patch series ;).
> Will do. It as separate patch, if that makes sense.
> Thanks.
> 
> 
> 
Fair enough.

-- 
Thanks,
Anatoly

  reply	other threads:[~2017-09-18 15:11 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-14 15:15 [dpdk-dev] [PATCH v1 0/4] make dpdk iova aware Santosh Shukla
2017-08-14 15:15 ` [dpdk-dev] [PATCH v1 1/4] eal: rename phys_addr_t to iova_addr_t Santosh Shukla
2017-09-18 14:06   ` Burakov, Anatoly
2017-09-18 14:31     ` santosh
2017-09-18 14:32     ` Burakov, Anatoly
2017-08-14 15:15 ` [dpdk-dev] [PATCH v1 2/4] eal/memory: rename buf_physaddr to buf_iovaaddr Santosh Shukla
2017-08-14 15:15 ` [dpdk-dev] [PATCH v1 3/4] eal/memory: rename memory translational api to _iova types Santosh Shukla
2017-08-14 15:15 ` [dpdk-dev] [PATCH v1 4/4] doc: remove dpdk iova aware notice Santosh Shukla
2017-09-18 18:44   ` Mcnamara, John
2017-09-05 10:31 ` [dpdk-dev] [PATCH v2 0/5] make dpdk iova aware Santosh Shukla
2017-09-05 10:31   ` [dpdk-dev] [PATCH v2 1/5] eal: rename phys_addr_t to iova_addr_t Santosh Shukla
2017-09-18 15:19     ` Burakov, Anatoly
2017-09-05 10:31   ` [dpdk-dev] [PATCH v2 2/5] eal/memory: rename buf_physaddr to buf_iovaaddr Santosh Shukla
2017-09-18 15:20     ` Burakov, Anatoly
2017-09-05 10:31   ` [dpdk-dev] [PATCH v2 3/5] eal/memory: rename memseg member phys to iova addr Santosh Shukla
2017-09-18 15:04     ` Burakov, Anatoly
2017-09-18 15:08       ` santosh
2017-09-18 15:11         ` Burakov, Anatoly [this message]
2017-09-18 15:21     ` Burakov, Anatoly
2017-09-05 10:31   ` [dpdk-dev] [PATCH v2 4/5] eal/memory: rename memory api to iova types Santosh Shukla
2017-09-05 10:31   ` [dpdk-dev] [PATCH v2 5/5] doc: remove dpdk iova aware notice Santosh Shukla
2017-09-19 13:38     ` Mcnamara, John
2017-10-17 13:31   ` [dpdk-dev] [PATCH v2 0/5] make dpdk iova aware Thomas Monjalon
2017-10-17 14:12     ` santosh
2017-10-20 12:31   ` [dpdk-dev] [PATCH v3 0/6] " Santosh Shukla
2017-10-20 12:31     ` [dpdk-dev] [PATCH v3 1/6] eal: rename phys addr to iova addr Santosh Shukla
2017-10-23 20:32       ` Thomas Monjalon
2017-10-24  5:16         ` santosh
2017-10-20 12:31     ` [dpdk-dev] [PATCH v3 2/6] eal/memory: rename buf physaddr to buf iovaaddr Santosh Shukla
2017-10-23 20:15       ` Thomas Monjalon
2017-10-25  9:55         ` Olivier MATZ
2017-10-23 20:34       ` Thomas Monjalon
2017-10-24  5:17         ` santosh
2017-10-25  9:44       ` Olivier MATZ
2017-10-20 12:31     ` [dpdk-dev] [PATCH v3 3/6] eal/memory: rename memseg member phys to iova addr Santosh Shukla
2017-10-20 12:31     ` [dpdk-dev] [PATCH v3 4/6] eal/memory: rename memory API to iova types Santosh Shukla
2017-11-03 11:11       ` Thomas Monjalon
2017-11-03 11:35         ` santosh
2017-11-03 13:58           ` Thomas Monjalon
2017-11-03 15:22             ` [dpdk-dev] [PATCH v3 4/6] eal/memory: rename memory API to iovatypes Jonas Pfefferle1
2017-10-20 12:31     ` [dpdk-dev] [PATCH v3 5/6] doc: remove dpdk iova aware notice Santosh Shukla
2017-10-23 20:29       ` Thomas Monjalon
2017-10-24  5:06         ` santosh
2017-10-25  9:45           ` Thomas Monjalon
2017-10-25  9:50             ` Richardson, Bruce
2017-10-25 10:01               ` Thomas Monjalon
2017-10-25 10:05                 ` Bruce Richardson
2017-10-25 10:12                   ` Thomas Monjalon
2017-10-25 10:32                     ` Bruce Richardson
2017-10-20 12:31     ` [dpdk-dev] [PATCH v3 6/6] eal/common/rte_malloc: use pointer diff in virt2iova Santosh Shukla
2017-10-23 14:58     ` [dpdk-dev] [PATCH v3 0/6] make dpdk iova aware Thomas Monjalon
2017-10-24  5:12       ` santosh
2017-10-24  7:38         ` Thomas Monjalon
2017-11-06  1:41 ` [dpdk-dev] [PATCH v4 00/15] make DPDK IOVA aware Thomas Monjalon
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 01/15] mem: hide physical address error in VA mode Thomas Monjalon
2017-11-06  5:39     ` santosh
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 02/15] mem: introduce IOVA type Thomas Monjalon
2017-11-06  5:38     ` santosh
2017-11-06  8:37       ` Thomas Monjalon
2017-11-06  8:51         ` santosh
2017-11-06  9:08           ` Thomas Monjalon
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 03/15] mem: rename segment address from physical to IOVA Thomas Monjalon
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 04/15] mem: rename address mapping function " Thomas Monjalon
2017-11-06  5:41     ` santosh
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 05/15] malloc: " Thomas Monjalon
2017-11-06  5:47     ` santosh
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 06/15] malloc: use pointer diff macro in IOVA mapping Thomas Monjalon
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 07/15] memzone: rename address from physical to IOVA Thomas Monjalon
2017-11-06  5:50     ` santosh
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 08/15] mempool: rename addresses " Thomas Monjalon
2017-11-06  5:52     ` santosh
2017-11-06 15:44     ` Olivier MATZ
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 09/15] mempool: rename address mapping function " Thomas Monjalon
2017-11-06  5:54     ` santosh
2017-11-06 15:44     ` Olivier MATZ
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 10/15] mempool: rename populate functions " Thomas Monjalon
2017-11-06 15:49     ` Olivier MATZ
2017-11-06 15:58       ` Thomas Monjalon
2017-11-06 16:39         ` Olivier MATZ
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 11/15] mbuf: rename physical address " Thomas Monjalon
2017-11-06 15:52     ` Olivier MATZ
2017-11-06 16:00       ` Thomas Monjalon
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 12/15] mbuf: rename data address helpers " Thomas Monjalon
2017-11-06 15:56     ` Olivier MATZ
2017-11-06 16:03       ` Thomas Monjalon
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 13/15] cryptodev: rename physical address type " Thomas Monjalon
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 14/15] drivers/net: " Thomas Monjalon
2017-11-06  1:41   ` [dpdk-dev] [PATCH v4 15/15] doc: add IOVA aware API changes in release notes Thomas Monjalon
2017-11-06  5:56     ` santosh
2017-11-06  8:50     ` Mcnamara, John
2017-11-06 22:48   ` [dpdk-dev] [PATCH v4 00/15] make DPDK IOVA aware Thomas Monjalon

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