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From: "Cédric Le Goater" <clg@kaod.org>
To: Michael Ellerman <mpe@ellerman.id.au>, kvm-ppc@vger.kernel.org
Cc: Paul Mackerras <paulus@samba.org>,
	linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org,
	David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH 01/19] powerpc/xive: export flags for the XIVE native exploitation mode hcalls
Date: Wed, 9 Jan 2019 14:38:01 +0100	[thread overview]
Message-ID: <fe8f71f7-df1f-72b0-2dd7-3d2a5023d210@kaod.org> (raw)
In-Reply-To: <87pnt6rnar.fsf@concordia.ellerman.id.au>

On 1/9/19 2:08 PM, Michael Ellerman wrote:
> Cédric Le Goater <clg@kaod.org> writes:
> 
>> These flags are shared between Linux/KVM implementing the hypervisor
>> calls for the XIVE native exploitation mode and the driver for the
>> sPAPR guests.
>>
>> Signed-off-by: Cédric Le Goater <clg@kaod.org>
>> ---
>>  arch/powerpc/include/asm/xive.h  | 23 +++++++++++++++++++++++
>>  arch/powerpc/sysdev/xive/spapr.c | 28 ++++++++--------------------
>>  2 files changed, 31 insertions(+), 20 deletions(-)
>>
>> diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h
>> index 3c704f5dd3ae..32f033bfbf42 100644
>> --- a/arch/powerpc/include/asm/xive.h
>> +++ b/arch/powerpc/include/asm/xive.h
>> @@ -93,6 +93,29 @@ extern void xive_flush_interrupt(void);
>>  /* xmon hook */
>>  extern void xmon_xive_do_dump(int cpu);
>>  
>> +/*
>> + * Hcall flags shared by the sPAPR backend and KVM
>> + */
>> +
>> +/* H_INT_GET_SOURCE_INFO */
>> +#define XIVE_SPAPR_SRC_H_INT_ESB	PPC_BIT(60)
>> +#define XIVE_SPAPR_SRC_LSI		PPC_BIT(61)
>> +#define XIVE_SPAPR_SRC_TRIGGER		PPC_BIT(62)
>> +#define XIVE_SPAPR_SRC_STORE_EOI	PPC_BIT(63)
> 
> I have an (irrational) hatred of PPC_BIT, because it obfuscates what's
> going on and makes PPC seem weirder than it needs to be. It could at
> least be called IBM_BIT().
> 
> I know it helps people compare the code vs the documentation, but
> basically no one has the documentation, and everyone has the code.
> 
> Anyway it's not a show stopper, just a pet-peeve of mine :)

Only the define matters, I can change that back to the non-PPC_BIT
version in v2. Not a problem. 

Cheers,

C. 

WARNING: multiple messages have this Message-ID (diff)
From: "Cédric Le Goater" <clg@kaod.org>
To: Michael Ellerman <mpe@ellerman.id.au>, kvm-ppc@vger.kernel.org
Cc: Paul Mackerras <paulus@samba.org>,
	linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org,
	David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH 01/19] powerpc/xive: export flags for the XIVE native exploitation mode hcalls
Date: Wed, 09 Jan 2019 13:38:01 +0000	[thread overview]
Message-ID: <fe8f71f7-df1f-72b0-2dd7-3d2a5023d210@kaod.org> (raw)
In-Reply-To: <87pnt6rnar.fsf@concordia.ellerman.id.au>

On 1/9/19 2:08 PM, Michael Ellerman wrote:
> Cédric Le Goater <clg@kaod.org> writes:
> 
>> These flags are shared between Linux/KVM implementing the hypervisor
>> calls for the XIVE native exploitation mode and the driver for the
>> sPAPR guests.
>>
>> Signed-off-by: Cédric Le Goater <clg@kaod.org>
>> ---
>>  arch/powerpc/include/asm/xive.h  | 23 +++++++++++++++++++++++
>>  arch/powerpc/sysdev/xive/spapr.c | 28 ++++++++--------------------
>>  2 files changed, 31 insertions(+), 20 deletions(-)
>>
>> diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h
>> index 3c704f5dd3ae..32f033bfbf42 100644
>> --- a/arch/powerpc/include/asm/xive.h
>> +++ b/arch/powerpc/include/asm/xive.h
>> @@ -93,6 +93,29 @@ extern void xive_flush_interrupt(void);
>>  /* xmon hook */
>>  extern void xmon_xive_do_dump(int cpu);
>>  
>> +/*
>> + * Hcall flags shared by the sPAPR backend and KVM
>> + */
>> +
>> +/* H_INT_GET_SOURCE_INFO */
>> +#define XIVE_SPAPR_SRC_H_INT_ESB	PPC_BIT(60)
>> +#define XIVE_SPAPR_SRC_LSI		PPC_BIT(61)
>> +#define XIVE_SPAPR_SRC_TRIGGER		PPC_BIT(62)
>> +#define XIVE_SPAPR_SRC_STORE_EOI	PPC_BIT(63)
> 
> I have an (irrational) hatred of PPC_BIT, because it obfuscates what's
> going on and makes PPC seem weirder than it needs to be. It could at
> least be called IBM_BIT().
> 
> I know it helps people compare the code vs the documentation, but
> basically no one has the documentation, and everyone has the code.
> 
> Anyway it's not a show stopper, just a pet-peeve of mine :)

Only the define matters, I can change that back to the non-PPC_BIT
version in v2. Not a problem. 

Cheers,

C. 

  reply	other threads:[~2019-01-09 13:38 UTC|newest]

Thread overview: 271+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-07 18:43 [PATCH 00/19] KVM: PPC: Book3S HV: add XIVE native exploitation mode Cédric Le Goater
2019-01-07 18:43 ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 01/19] powerpc/xive: export flags for the XIVE native exploitation mode hcalls Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-01-09  3:33   ` David Gibson
2019-01-09  3:33     ` David Gibson
2019-01-09 13:08   ` Michael Ellerman
2019-01-09 13:08     ` Michael Ellerman
2019-01-09 13:38     ` Cédric Le Goater [this message]
2019-01-09 13:38       ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 02/19] powerpc/xive: add OPAL extensions for the XIVE native exploitation support Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-01-09  4:26   ` David Gibson
2019-01-09  4:26     ` David Gibson
2019-01-07 18:43 ` [PATCH 03/19] KVM: PPC: Book3S HV: check the IRQ controller type Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-01-09  4:27   ` David Gibson
2019-01-09  4:27     ` David Gibson
2019-01-22  4:56   ` Paul Mackerras
2019-01-22  4:56     ` Paul Mackerras
2019-01-23 16:24     ` Cédric Le Goater
2019-01-23 16:24       ` Cédric Le Goater
2019-02-04  0:50       ` David Gibson
2019-02-04  0:50         ` David Gibson
2019-02-04 10:16         ` Cédric Le Goater
2019-02-04 10:16           ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 04/19] KVM: PPC: Book3S HV: export services for the XIVE native exploitation device Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-01-11  4:09   ` David Gibson
2019-01-11  4:09     ` David Gibson
2019-01-07 18:43 ` [PATCH 05/19] KVM: PPC: Book3S HV: add a new KVM device for the XIVE native exploitation mode Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-01-22  5:05   ` Paul Mackerras
2019-01-22  5:05     ` Paul Mackerras
2019-01-23 16:28     ` Cédric Le Goater
2019-01-23 16:28       ` Cédric Le Goater
2019-01-28 17:35     ` Cédric Le Goater
2019-01-28 17:35       ` Cédric Le Goater
2019-01-30  4:29       ` Paul Mackerras
2019-01-30  4:29         ` Paul Mackerras
2019-01-30  7:01         ` Cédric Le Goater
2019-01-30  7:01           ` Cédric Le Goater
2019-01-31  3:01           ` Paul Mackerras
2019-01-31  3:01             ` Paul Mackerras
2019-02-01 17:03             ` Cédric Le Goater
2019-02-01 17:03               ` Cédric Le Goater
2019-02-04  4:25   ` David Gibson
2019-02-04  4:25     ` David Gibson
2019-02-04 11:19     ` Cédric Le Goater
2019-02-04 11:19       ` Cédric Le Goater
2019-02-05  5:26       ` David Gibson
2019-02-05  5:26         ` David Gibson
2019-01-07 18:43 ` [PATCH 06/19] KVM: PPC: Book3S HV: add a GET_ESB_FD control to the XIVE native device Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-01-22  5:09   ` Paul Mackerras
2019-01-22  5:09     ` Paul Mackerras
2019-01-23 16:48     ` Cédric Le Goater
2019-01-23 16:48       ` Cédric Le Goater
2019-02-04  4:45   ` David Gibson
2019-02-04  4:45     ` David Gibson
2019-02-04 11:30     ` Cédric Le Goater
2019-02-04 11:30       ` Cédric Le Goater
2019-02-05  5:28       ` David Gibson
2019-02-05  5:28         ` David Gibson
2019-02-05 12:55         ` Cédric Le Goater
2019-02-05 12:55           ` Cédric Le Goater
2019-02-06  1:23           ` David Gibson
2019-02-06  1:23             ` David Gibson
2019-02-06  7:21             ` Cédric Le Goater
2019-02-06  7:21               ` Cédric Le Goater
2019-02-07  2:49               ` David Gibson
2019-02-07  2:49                 ` David Gibson
2019-02-07  9:03                 ` Cédric Le Goater
2019-02-07  9:03                   ` Cédric Le Goater
2019-02-07  9:03                   ` Cédric Le Goater
2019-02-08  5:15                   ` David Gibson
2019-02-08  5:15                     ` David Gibson
2019-02-08  7:58                     ` Cédric Le Goater
2019-02-08  7:58                       ` Cédric Le Goater
2019-02-08 21:53                       ` Paul Mackerras
2019-02-08 21:53                         ` Paul Mackerras
2019-02-09  9:41                         ` Cédric Le Goater
2019-02-09  9:41                           ` Cédric Le Goater
2019-02-11  2:38                           ` David Gibson
2019-02-11  2:38                             ` David Gibson
2019-02-11  6:42                             ` Benjamin Herrenschmidt
2019-02-11  6:42                               ` Benjamin Herrenschmidt
2019-02-12 22:07                               ` Cédric Le Goater
2019-02-12 22:07                                 ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 07/19] KVM: PPC: Book3S HV: add a GET_TIMA_FD control to " Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 08/19] KVM: PPC: Book3S HV: add a VC_BASE control to the " Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-01-22  5:14   ` Paul Mackerras
2019-01-22  5:14     ` Paul Mackerras
2019-01-23 16:56     ` Cédric Le Goater
2019-01-23 16:56       ` Cédric Le Goater
2019-02-04  4:49       ` David Gibson
2019-02-04  4:49         ` David Gibson
2019-02-04 15:36         ` Cédric Le Goater
2019-02-04 15:36           ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 09/19] KVM: PPC: Book3S HV: add a SET_SOURCE " Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-02-04  4:57   ` David Gibson
2019-02-04  4:57     ` David Gibson
2019-02-04 19:07     ` Cédric Le Goater
2019-02-04 19:07       ` Cédric Le Goater
2019-02-05  5:35       ` David Gibson
2019-02-05  5:35         ` David Gibson
2019-02-05 13:39         ` Cédric Le Goater
2019-02-05 13:39           ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 10/19] KVM: PPC: Book3S HV: add a EISN attribute to kvmppc_xive_irq_state Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 11/19] KVM: PPC: Book3S HV: add support for the XIVE native exploitation mode hcalls Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-01-22  5:23   ` Paul Mackerras
2019-01-22  5:23     ` Paul Mackerras
2019-01-23  6:44     ` Benjamin Herrenschmidt
2019-01-23  6:44       ` Benjamin Herrenschmidt
2019-01-23  8:48       ` Cédric Le Goater
2019-01-23  8:48         ` Cédric Le Goater
2019-01-23 10:26         ` Paul Mackerras
2019-01-23 10:26           ` Paul Mackerras
2019-01-23 10:48           ` Cédric Le Goater
2019-01-23 10:48             ` Cédric Le Goater
2019-01-23 21:23           ` Benjamin Herrenschmidt
2019-01-23 21:23             ` Benjamin Herrenschmidt
2019-01-07 18:43 ` [PATCH 12/19] KVM: PPC: Book3S HV: record guest queue page address Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-02-04  5:15   ` David Gibson
2019-02-04  5:15     ` David Gibson
2019-02-04 15:37     ` Cédric Le Goater
2019-02-04 15:37       ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 13/19] KVM: PPC: Book3S HV: add a SYNC control for the XIVE native migration Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-02-04  5:17   ` David Gibson
2019-02-04  5:17     ` David Gibson
2019-02-04 15:39     ` Cédric Le Goater
2019-02-04 15:39       ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 14/19] KVM: PPC: Book3S HV: add a control to make the XIVE EQ pages dirty Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-02-04  5:18   ` David Gibson
2019-02-04  5:18     ` David Gibson
2019-02-04 15:46     ` Cédric Le Goater
2019-02-04 15:46       ` Cédric Le Goater
2019-02-05  5:30       ` David Gibson
2019-02-05  5:30         ` David Gibson
2019-01-07 18:43 ` [PATCH 15/19] KVM: PPC: Book3S HV: add get/set accessors for the source configuration Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-02-04  5:21   ` David Gibson
2019-02-04  5:21     ` David Gibson
2019-02-04 16:07     ` Cédric Le Goater
2019-02-04 16:07       ` Cédric Le Goater
2019-02-05  5:32       ` David Gibson
2019-02-05  5:32         ` David Gibson
2019-02-05 13:03         ` Cédric Le Goater
2019-02-05 13:03           ` Cédric Le Goater
2019-02-06  1:23           ` David Gibson
2019-02-06  1:23             ` David Gibson
2019-02-06  1:24             ` David Gibson
2019-02-06  1:24               ` David Gibson
2019-02-06  7:07               ` Cédric Le Goater
2019-02-06  7:07                 ` Cédric Le Goater
2019-02-07  2:48                 ` David Gibson
2019-02-07  2:48                   ` David Gibson
2019-02-07  9:13                   ` Cédric Le Goater
2019-02-07  9:13                     ` Cédric Le Goater
2019-02-08  5:15                     ` David Gibson
2019-02-08  5:15                       ` David Gibson
2019-02-14 16:50                       ` Cédric Le Goater
2019-02-14 16:50                         ` Cédric Le Goater
2019-01-07 18:43 ` [PATCH 16/19] KVM: PPC: Book3S HV: add get/set accessors for the EQ configuration Cédric Le Goater
2019-01-07 18:43   ` Cédric Le Goater
2019-02-04  5:24   ` David Gibson
2019-02-04  5:24     ` David Gibson
2019-02-05 17:45     ` Cédric Le Goater
2019-02-05 17:45       ` Cédric Le Goater
2019-01-07 19:10 ` [PATCH 17/19] KVM: PPC: Book3S HV: add get/set accessors for the VP XIVE state Cédric Le Goater
2019-01-07 19:10   ` Cédric Le Goater
2019-01-07 19:10   ` [PATCH 18/19] KVM: PPC: Book3S HV: add passthrough support Cédric Le Goater
2019-01-07 19:10     ` Cédric Le Goater
2019-01-22  5:26     ` Paul Mackerras
2019-01-22  5:26       ` Paul Mackerras
2019-01-23  6:45       ` Benjamin Herrenschmidt
2019-01-23  6:45         ` Benjamin Herrenschmidt
2019-01-23 10:30         ` Paul Mackerras
2019-01-23 10:30           ` Paul Mackerras
2019-01-23 11:07           ` Cédric Le Goater
2019-01-23 11:07             ` Cédric Le Goater
2019-01-28  6:13             ` Paul Mackerras
2019-01-28  6:13               ` Paul Mackerras
2019-01-28 18:26               ` Cédric Le Goater
2019-01-28 18:26                 ` Cédric Le Goater
2019-01-29  2:45                 ` Paul Mackerras
2019-01-29  2:45                   ` Paul Mackerras
2019-01-29 13:47                   ` Cédric Le Goater
2019-01-29 13:47                     ` Cédric Le Goater
2019-01-30  6:20                     ` Paul Mackerras
2019-01-30  6:20                       ` Paul Mackerras
2019-01-30 15:54                       ` Cédric Le Goater
2019-01-30 15:54                         ` Cédric Le Goater
2019-01-31  2:48                         ` Paul Mackerras
2019-01-31  2:48                           ` Paul Mackerras
2019-01-29  4:12                 ` Paul Mackerras
2019-01-29  4:12                   ` Paul Mackerras
2019-01-29 17:44                   ` Cédric Le Goater
2019-01-29 17:44                     ` Cédric Le Goater
2019-01-30  5:55                     ` Paul Mackerras
2019-01-30  5:55                       ` Paul Mackerras
2019-01-30  7:06                       ` Cédric Le Goater
2019-01-30  7:06                         ` Cédric Le Goater
2019-01-23 21:25           ` Benjamin Herrenschmidt
2019-01-23 21:25             ` Benjamin Herrenschmidt
2019-01-24  8:41             ` Cédric Le Goater
2019-01-24  8:41               ` Cédric Le Goater
2019-01-28  4:43             ` Paul Mackerras
2019-01-28  4:43               ` Paul Mackerras
2019-01-29 13:46               ` Cédric Le Goater
2019-01-29 13:46                 ` Cédric Le Goater
2019-01-07 19:10   ` [PATCH 19/19] KVM: introduce a KVM_DELETE_DEVICE ioctl Cédric Le Goater
2019-01-07 19:10     ` Cédric Le Goater
2019-01-22  5:42     ` Paul Mackerras
2019-01-22  5:42       ` Paul Mackerras
2019-01-23 18:39       ` Cédric Le Goater
2019-01-23 18:39         ` Cédric Le Goater
2019-01-23 21:32         ` Benjamin Herrenschmidt
2019-01-23 21:32           ` Benjamin Herrenschmidt
2019-02-04  5:26   ` [PATCH 17/19] KVM: PPC: Book3S HV: add get/set accessors for the VP XIVE state David Gibson
2019-02-04  5:26     ` David Gibson
2019-02-04 18:57     ` Cédric Le Goater
2019-02-04 18:57       ` Cédric Le Goater
2019-02-05  5:33       ` David Gibson
2019-02-05  5:33         ` David Gibson
2019-02-05 11:58         ` Cédric Le Goater
2019-02-05 11:58           ` Cédric Le Goater
2019-02-06  1:19           ` David Gibson
2019-02-06  1:19             ` David Gibson
2019-01-22  4:46 ` [PATCH 00/19] KVM: PPC: Book3S HV: add XIVE native exploitation mode Paul Mackerras
2019-01-22  4:46   ` Paul Mackerras
2019-01-23 19:07   ` Cédric Le Goater
2019-01-23 19:07     ` Cédric Le Goater
2019-01-23 21:35     ` Benjamin Herrenschmidt
2019-01-23 21:35       ` Benjamin Herrenschmidt
2019-01-26  8:25       ` Cédric Le Goater
2019-01-26  8:25         ` Cédric Le Goater
2019-02-04  5:36         ` David Gibson
2019-02-04  5:36           ` David Gibson
2019-02-05 11:31           ` Cédric Le Goater
2019-02-05 11:31             ` Cédric Le Goater
2019-02-05 22:13             ` Paul Mackerras
2019-02-05 22:13               ` Paul Mackerras
2019-02-06  1:18               ` David Gibson
2019-02-06  1:18                 ` David Gibson
2019-02-06  7:35                 ` Cédric Le Goater
2019-02-06  7:35                   ` Cédric Le Goater
2019-02-07  2:51                   ` David Gibson
2019-02-07  2:51                     ` David Gibson
2019-02-07  8:31                     ` Cédric Le Goater
2019-02-07  8:31                       ` Cédric Le Goater
2019-02-08  5:07                       ` David Gibson
2019-02-08  5:07                         ` David Gibson
2019-02-08  7:38                         ` Cédric Le Goater
2019-02-08  7:38                           ` Cédric Le Goater
2019-01-28  5:51     ` Paul Mackerras
2019-01-28  5:51       ` Paul Mackerras
2019-01-29 13:51       ` Cédric Le Goater
2019-01-29 13:51         ` Cédric Le Goater
2019-01-30  5:40         ` Paul Mackerras
2019-01-30  5:40           ` Paul Mackerras
2019-01-30 15:36           ` Cédric Le Goater
2019-01-30 15:36             ` Cédric Le Goater

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