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From: Julien Grall <Julien.Grall@arm.com>
To: Christopher Clark <christopher.w.clark@gmail.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
	"Wei Liu" <wei.liu2@citrix.com>,
	"Ross Philipson" <ross.philipson@gmail.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
	"George Dunlap" <George.Dunlap@eu.citrix.com>,
	"Andrew Cooper" <andrew.cooper3@citrix.com>,
	"Jason Andryuk" <jandryuk@gmail.com>,
	"Ian Jackson" <ian.jackson@eu.citrix.com>,
	"James McKenzie" <voreekf@madingley.org>,
	"Tim Deegan" <tim@xen.org>,
	"Daniel Smith" <dpsmith@apertussolutions.com>,
	"Rich Persaud" <persaur@gmail.com>,
	"Paul Durrant" <paul.durrant@citrix.com>,
	"Jan Beulich" <jbeulich@suse.com>, nd <nd@arm.com>,
	"Eric Chanudet" <eric.chanudet@gmail.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH 13/25] argo: implement the register op
Date: Sun, 2 Dec 2018 20:10:59 +0000	[thread overview]
Message-ID: <6c9074fa-eb9a-350b-1019-93c35803e0e1@arm.com> (raw)
In-Reply-To: <1543627984-21394-14-git-send-email-christopher.w.clark@gmail.com>



On 01/12/2018 01:32, Christopher Clark wrote:
> diff --git a/xen/include/public/argo.h b/xen/include/public/argo.h
> index 20dabc0..5ad8e2b 100644
> --- a/xen/include/public/argo.h
> +++ b/xen/include/public/argo.h
> @@ -21,6 +21,20 @@
>   
>   #include "xen.h"
>   
> +#define ARGO_RING_MAGIC      0xbd67e163e7777f2fULL
> +
> +#define ARGO_DOMID_ANY           DOMID_INVALID
> +
> +/*
> + * The maximum size of an Argo ring is defined to be: 16GB
> + *  -- which is 0x1000000 or 16777216 bytes.
> + * A byte index into the ring is at most 24 bits.
> + */
> +#define ARGO_MAX_RING_SIZE  (16777216ULL)
> +
> +/* pfn type: 64-bit on all architectures to aid avoiding a compat ABI */
> +typedef uint64_t argo_pfn_t;

As you always use 64-bit, can we just use an address? This would make 
the ABI agnostic to the hypervisor page granularity.

Cheers,

-- 
Julien Grall
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  reply	other threads:[~2018-12-02 20:11 UTC|newest]

Thread overview: 111+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-01  1:32 [PATCH 00/25] Argo: hypervisor-mediated interdomain communication Christopher Clark
2018-12-01  1:32 ` [PATCH 01/25] xen/evtchn: expose evtchn_bind_ipi_vcpu0_domain for use within Xen Christopher Clark
2018-12-03 16:20   ` Jan Beulich
2018-12-04  9:17     ` Christopher Clark
2018-12-01  1:32 ` [PATCH 02/25] argo: Introduce the Kconfig option to govern inclusion of Argo Christopher Clark
2018-12-03 15:51   ` Jan Beulich
2018-12-04  9:12     ` Christopher Clark
2018-12-01  1:32 ` [PATCH 03/25] argo: introduce the argo_message_op hypercall boilerplate Christopher Clark
2018-12-04  9:44   ` Paul Durrant
2018-12-20  5:13     ` Christopher Clark
2018-12-01  1:32 ` [PATCH 04/25] argo: define argo_dprintk for subsystem debugging Christopher Clark
2018-12-03 15:59   ` Jan Beulich
2018-12-01  1:32 ` [PATCH 05/25] argo: Add initial argo_init and argo_destroy Christopher Clark
2018-12-04  9:12   ` Paul Durrant
2018-12-13 13:16   ` Jan Beulich
2018-12-01  1:32 ` [PATCH 06/25] argo: Xen command line parameter 'argo': bool to enable/disable Christopher Clark
2018-12-04  9:18   ` Paul Durrant
2018-12-04 11:35   ` Jan Beulich
2018-12-01  1:32 ` [PATCH 07/25] xen (ARM, x86): add errno-returning functions for copy Christopher Clark
2018-12-04  9:35   ` Paul Durrant
2018-12-12 16:01   ` Roger Pau Monné
2018-12-20  5:16     ` Christopher Clark
2018-12-20  8:45       ` Jan Beulich
2018-12-20 12:57       ` Roger Pau Monné
2018-12-01  1:32 ` [PATCH 08/25] xen: define XEN_GUEST_HANDLE_NULL as null XEN_GUEST_HANDLE Christopher Clark
2018-12-04 11:39   ` Jan Beulich
2018-12-01  1:32 ` [PATCH 09/25] errno: add POSIX error codes EMSGSIZE, ECONNREFUSED to the ABI Christopher Clark
2018-12-03 15:42   ` Jan Beulich
2018-12-04  9:10     ` Christopher Clark
2018-12-04 10:04       ` Jan Beulich
2018-12-01  1:32 ` [PATCH 10/25] arm: introduce guest_handle_for_field() Christopher Clark
2018-12-04  9:46   ` Paul Durrant
2018-12-01  1:32 ` [PATCH 11/25] xsm, argo: XSM control for argo register operation, argo_mac bootparam Christopher Clark
2018-12-04  9:52   ` Paul Durrant
2018-12-20  5:19     ` Christopher Clark
2018-12-01  1:32 ` [PATCH 12/25] xsm, argo: XSM control for argo message send operation Christopher Clark
2018-12-04  9:53   ` Paul Durrant
2018-12-01  1:32 ` [PATCH 13/25] argo: implement the register op Christopher Clark
2018-12-02 20:10   ` Julien Grall [this message]
2018-12-04  9:08     ` Christopher Clark
2018-12-05 17:20       ` Julien Grall
2018-12-05 22:35         ` Christopher Clark
2018-12-11 13:51           ` Julien Grall
2018-12-04 10:57   ` Paul Durrant
2018-12-12  9:48   ` Jan Beulich
2018-12-20  5:29     ` Christopher Clark
2018-12-20  8:29       ` Jan Beulich
2018-12-21  1:25         ` Christopher Clark
2018-12-21  7:28           ` Jan Beulich
2018-12-21  8:16             ` Christopher Clark
2018-12-21  8:53               ` Jan Beulich
2018-12-21 23:28                 ` Christopher Clark
2018-12-12 16:47   ` Roger Pau Monné
2018-12-20  5:41     ` Christopher Clark
2018-12-20  8:51       ` Jan Beulich
2018-12-20 12:52       ` Roger Pau Monné
2018-12-21 23:05         ` Christopher Clark
2019-01-04  8:57           ` Roger Pau Monné
2019-01-04 13:22             ` Jan Beulich
2019-01-04 15:35               ` Roger Pau Monné
2019-01-04 15:47                 ` Jan Beulich
2019-01-07  9:00                   ` Roger Pau Monné
2019-01-09 16:15                     ` Tamas K Lengyel
2019-01-09 16:23                       ` Razvan Cojocaru
2019-01-09 16:34                       ` Roger Pau Monné
2019-01-09 16:48                         ` Razvan Cojocaru
2019-01-09 16:50                           ` Tamas K Lengyel
2019-01-09 16:59                             ` Roger Pau Monné
2019-01-09 17:03                               ` Fwd: " Roger Pau Monné
2019-01-09 17:03                             ` Razvan Cojocaru
2018-12-01  1:32 ` [PATCH 14/25] argo: implement the unregister op Christopher Clark
2018-12-04 11:10   ` Paul Durrant
2018-12-12  9:51   ` Jan Beulich
2018-12-01  1:32 ` [PATCH 15/25] argo: implement the sendv op Christopher Clark
2018-12-04 11:22   ` Paul Durrant
2018-12-12 11:52   ` Jan Beulich
2018-12-20  5:58     ` Christopher Clark
2018-12-20  8:33       ` Jan Beulich
2019-01-04  8:13         ` Christopher Clark
2019-01-04  8:43           ` Roger Pau Monné
2019-01-04 13:37           ` Jan Beulich
2019-01-07 20:54             ` Christopher Clark
2018-12-01  1:32 ` [PATCH 16/25] argo: implement the notify op Christopher Clark
2018-12-13 14:06   ` Jan Beulich
2018-12-20  6:12     ` Christopher Clark
2018-12-20  8:39       ` Jan Beulich
2018-12-01  1:32 ` [PATCH 17/25] xsm, argo: XSM control for any access to argo by a domain Christopher Clark
2018-12-01  1:32 ` [PATCH 18/25] argo: limit the max number of rings that a domain may register Christopher Clark
2018-12-13 14:08   ` Jan Beulich
2018-12-01  1:32 ` [PATCH 19/25] argo: limit the max number of notify requests in a single operation Christopher Clark
2018-12-01  1:32 ` [PATCH 20/25] argo, xsm: notify: don't describe rings that cannot be sent to Christopher Clark
2018-12-01  1:33 ` [PATCH 21/25] argo: add array_index_nospec to guard the result of the hash func Christopher Clark
2018-12-13 14:10   ` Jan Beulich
2018-12-01  1:33 ` [PATCH 22/25] xen/evtchn: expose send_guest_global_virq for use within Xen Christopher Clark
2018-12-13 14:12   ` Jan Beulich
2018-12-01  1:33 ` [PATCH 23/25] argo: signal x86 HVM and ARM via VIRQ Christopher Clark
2018-12-02 19:55   ` Julien Grall
2018-12-04  9:03     ` Christopher Clark
2018-12-04  9:16       ` Paul Durrant
2018-12-12 14:49         ` James
2018-12-11 14:15       ` Julien Grall
2018-12-13 14:16   ` Jan Beulich
2018-12-20  6:20     ` Christopher Clark
2018-12-01  1:33 ` [PATCH 24/25] argo: unmap rings on suspend and send signal to ring-owners on resume Christopher Clark
2018-12-13 14:26   ` Jan Beulich
2018-12-20  6:25     ` Christopher Clark
2018-12-01  1:33 ` [PATCH 25/25] argo: implement the get_config op to query notification config Christopher Clark
2018-12-13 14:32   ` Jan Beulich
2018-12-03 16:49 ` [PATCH 00/25] Argo: hypervisor-mediated interdomain communication Chris Patterson
2018-12-04  9:00   ` Christopher Clark
2018-12-11 22:13     ` Chris Patterson

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