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From: <dan.j.williams@intel.com>
To: Alexey Kardashevskiy <aik@amd.com>,
	Dan Williams <dan.j.williams@intel.com>,
	<linux-coco@lists.linux.dev>, <linux-pci@vger.kernel.org>
Cc: <yilun.xu@linux.intel.com>, <aneesh.kumar@kernel.org>,
	<bhelgaas@google.com>, <gregkh@linuxfoundation.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: Re: [PATCH v7 2/9] PCI/IDE: Enumerate Selective Stream IDE capabilities
Date: Thu, 30 Oct 2025 14:13:40 -0700	[thread overview]
Message-ID: <6903d504e69f8_10e9100f1@dwillia2-mobl4.notmuch> (raw)
In-Reply-To: <74738e82-5861-4ac8-8e96-c98a22173afa@amd.com>

Alexey Kardashevskiy wrote:
[..]
> > +/* Integrity and Data Encryption Extended Capability */
> > +#define PCI_IDE_CAP			0x04
> > +#define  PCI_IDE_CAP_LINK		0x1  /* Link IDE Stream Supported */
> > +#define  PCI_IDE_CAP_SELECTIVE		0x2  /* Selective IDE Streams Supported */
> > +#define  PCI_IDE_CAP_FLOWTHROUGH	0x4  /* Flow-Through IDE Stream Supported */
> > +#define  PCI_IDE_CAP_PARTIAL_HEADER_ENC 0x8  /* Partial Header Encryption Supported */
> > +#define  PCI_IDE_CAP_AGGREGATION	0x10 /* Aggregation Supported */
> > +#define  PCI_IDE_CAP_PCRC		0x20 /* PCRC Supported */
> > +#define  PCI_IDE_CAP_IDE_KM		0x40 /* IDE_KM Protocol Supported */
> > +#define  PCI_IDE_CAP_SEL_CFG		0x80 /* Selective IDE for Config Request Support */
> > +#define  PCI_IDE_CAP_ALG		__GENMASK(12, 8) /* Supported Algorithms */
> > +#define   PCI_IDE_CAP_ALG_AES_GCM_256	0    /* AES-GCM 256 key size, 96b MAC */
> > +#define  PCI_IDE_CAP_LINK_TC_NUM	__GENMASK(15, 13) /* Link IDE TCs */
> > +#define  PCI_IDE_CAP_SEL_NUM		__GENMASK(23, 16) /* Supported Selective IDE Streams */
> > +#define  PCI_IDE_CAP_TEE_LIMITED	0x1000000 /* TEE-Limited Stream Supported */
> 
> 
> Since you are referring to PCIe r7.0 (instead of my proposal to use
> r6.1 ;) ), it has XT now here and in the stream control registers.

Recall that Bjorn asked for the s/r6.1/r7.0/ conversion throughout.

> I posted a patch for lspci with this:
> https://lore.kernel.org/r/20251023071101.578312-1-aik@amd.com

I think we should handle XT support the same way for the kernel, i.e.
with a follow-on patch.

> Otherwise
> 
> Reviewed-by: Alexey Kardashevskiy <aik@amd.com>

Thanks!

  reply	other threads:[~2025-10-30 21:13 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-24  2:04 [PATCH v7 0/9] PCI/TSM: Core infrastructure for PCI device security (TDISP) Dan Williams
2025-10-24  2:04 ` [PATCH v7 1/9] coco/tsm: Introduce a core device for TEE Security Managers Dan Williams
2025-10-29 13:33   ` Jonathan Cameron
2025-10-29 23:47     ` dan.j.williams
2025-10-30  1:00   ` Alexey Kardashevskiy
2025-10-30  9:04   ` Carlos López
2025-10-30 23:16     ` dan.j.williams
2025-10-24  2:04 ` [PATCH v7 2/9] PCI/IDE: Enumerate Selective Stream IDE capabilities Dan Williams
2025-10-29 13:42   ` Jonathan Cameron
2025-10-29 23:55     ` dan.j.williams
2025-10-30  0:59   ` Alexey Kardashevskiy
2025-10-30 21:13     ` dan.j.williams [this message]
2025-10-30 21:37     ` Bjorn Helgaas
2025-10-30 23:56       ` Alexey Kardashevskiy
2025-10-31  0:34         ` dan.j.williams
2025-10-31  1:20         ` Bjorn Helgaas
2025-10-30  8:34   ` Aneesh Kumar K.V
2025-10-24  2:04 ` [PATCH v7 3/9] PCI: Introduce pci_walk_bus_reverse(), for_each_pci_dev_reverse() Dan Williams
2025-10-29 14:00   ` Jonathan Cameron
2025-10-29 16:05     ` dan.j.williams
2025-10-30 19:36     ` dan.j.williams
2025-10-24  2:04 ` [PATCH v7 4/9] PCI/TSM: Establish Secure Sessions and Link Encryption Dan Williams
2025-10-26  3:18   ` kernel test robot
2025-10-29 15:53   ` Jonathan Cameron
2025-10-30 19:56     ` dan.j.williams
2025-10-30  1:13   ` Alexey Kardashevskiy
2025-10-30  8:35   ` Aneesh Kumar K.V
2025-10-24  2:04 ` [PATCH v7 5/9] PCI: Add PCIe Device 3 Extended Capability enumeration Dan Williams
2025-10-24  2:04 ` [PATCH v7 6/9] PCI: Establish document for PCI host bridge sysfs attributes Dan Williams
2025-10-29 16:04   ` Jonathan Cameron
2025-10-24  2:04 ` [PATCH v7 7/9] PCI/IDE: Add IDE establishment helpers Dan Williams
2025-10-25 16:53   ` Aneesh Kumar K.V
2025-10-29 18:57     ` dan.j.williams
2025-10-29 16:25   ` Jonathan Cameron
2025-10-24  2:04 ` [PATCH v7 8/9] PCI/IDE: Report available IDE streams Dan Williams
2025-10-29 16:31   ` Jonathan Cameron
2025-10-30 20:48     ` dan.j.williams
2025-10-24  2:04 ` [PATCH v7 9/9] PCI/TSM: Report active " Dan Williams
2025-10-29 16:34   ` Jonathan Cameron
2025-10-30 21:03     ` dan.j.williams
2025-10-30  2:05   ` Alexey Kardashevskiy
2025-10-27 10:01 ` [PATCH v7 0/9] PCI/TSM: Core infrastructure for PCI device security (TDISP) Aneesh Kumar K.V
2025-10-29  5:20   ` Alexey Kardashevskiy

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