From: "Xia, Chenbo" <chenbo.xia@intel.com>
To: David Marchand <david.marchand@redhat.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "thomas@monjalon.net" <thomas@monjalon.net>,
"ferruh.yigit@amd.com" <ferruh.yigit@amd.com>,
"nipun.gupta@amd.com" <nipun.gupta@amd.com>,
"Richardson, Bruce" <bruce.richardson@intel.com>,
Julien Aube <julien_dpdk@jaube.fr>, Gaetan Rivet <grive@u256.net>
Subject: RE: [PATCH v2 09/15] pci: define some PM constants
Date: Thu, 7 Sep 2023 13:16:23 +0000 [thread overview]
Message-ID: <CH3PR11MB8362E931E20CD0D29D6791B89CEEA@CH3PR11MB8362.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20230821113549.3191921-10-david.marchand@redhat.com>
> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: Monday, August 21, 2023 7:36 PM
> To: dev@dpdk.org
> Cc: thomas@monjalon.net; ferruh.yigit@amd.com; Xia, Chenbo
> <chenbo.xia@intel.com>; nipun.gupta@amd.com; Richardson, Bruce
> <bruce.richardson@intel.com>; Julien Aube <julien_dpdk@jaube.fr>; Gaetan
> Rivet <grive@u256.net>
> Subject: [PATCH v2 09/15] pci: define some PM constants
>
> Define some PCI Power Management constants and use them in existing
> drivers.
>
> Signed-off-by: David Marchand <david.marchand@redhat.com>
> Acked-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
> drivers/net/bnx2x/bnx2x.c | 17 +++++++++--------
> drivers/net/bnx2x/bnx2x.h | 5 -----
> lib/pci/rte_pci.h | 6 ++++++
> 3 files changed, 15 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c
> index e3f14400cc..faf061beba 100644
> --- a/drivers/net/bnx2x/bnx2x.c
> +++ b/drivers/net/bnx2x/bnx2x.c
> @@ -5843,17 +5843,17 @@ static int bnx2x_set_power_state(struct
> bnx2x_softc *sc, uint8_t state)
> return 0;
> }
>
> - pci_read(sc, (sc->devinfo.pcie_pm_cap_reg + PCIR_POWER_STATUS),
> &pmcsr,
> + pci_read(sc, (sc->devinfo.pcie_pm_cap_reg + RTE_PCI_PM_CTRL), &pmcsr,
> 2);
>
> switch (state) {
> case PCI_PM_D0:
> pci_write_word(sc,
> (sc->devinfo.pcie_pm_cap_reg +
> - PCIR_POWER_STATUS),
> - ((pmcsr & ~PCIM_PSTAT_DMASK) | PCIM_PSTAT_PME));
> + RTE_PCI_PM_CTRL),
> + ((pmcsr & ~RTE_PCI_PM_CTRL_STATE_MASK) |
> RTE_PCI_PM_CTRL_PME_STATUS));
>
> - if (pmcsr & PCIM_PSTAT_DMASK) {
> + if (pmcsr & RTE_PCI_PM_CTRL_STATE_MASK) {
> /* delay required during transition out of D3hot */
> DELAY(20000);
> }
> @@ -5866,16 +5866,17 @@ static int bnx2x_set_power_state(struct
> bnx2x_softc *sc, uint8_t state)
> return 0;
> }
>
> - pmcsr &= ~PCIM_PSTAT_DMASK;
> - pmcsr |= PCIM_PSTAT_D3;
> + pmcsr &= ~RTE_PCI_PM_CTRL_STATE_MASK;
> + /* D3 power state */
> + pmcsr |= 0x3;
>
> if (sc->wol) {
> - pmcsr |= PCIM_PSTAT_PMEENABLE;
> + pmcsr |= RTE_PCI_PM_CTRL_PME_ENABLE;
> }
>
> pci_write_long(sc,
> (sc->devinfo.pcie_pm_cap_reg +
> - PCIR_POWER_STATUS), pmcsr);
> + RTE_PCI_PM_CTRL), pmcsr);
>
> /*
> * No more memory access after this point until device is
> brought back
> diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h
> index 60af75d336..1efa166316 100644
> --- a/drivers/net/bnx2x/bnx2x.h
> +++ b/drivers/net/bnx2x/bnx2x.h
> @@ -41,11 +41,6 @@
> #define PCIR_EXPRESS_DEVICE_CTL PCI_EXP_DEVCTL
> #define PCIM_EXP_CTL_MAX_PAYLOAD PCI_EXP_DEVCTL_PAYLOAD
> #define PCIM_EXP_CTL_MAX_READ_REQUEST PCI_EXP_DEVCTL_READRQ
> -#define PCIR_POWER_STATUS PCI_PM_CTRL
> -#define PCIM_PSTAT_DMASK PCI_PM_CTRL_STATE_MASK
> -#define PCIM_PSTAT_PME PCI_PM_CTRL_PME_STATUS
> -#define PCIM_PSTAT_D3 0x3
> -#define PCIM_PSTAT_PMEENABLE PCI_PM_CTRL_PME_ENABLE
> #else
> #include <dev/pci/pcireg.h>
> #endif
> diff --git a/lib/pci/rte_pci.h b/lib/pci/rte_pci.h
> index 62bf87aa10..542d142dfb 100644
> --- a/lib/pci/rte_pci.h
> +++ b/lib/pci/rte_pci.h
> @@ -57,6 +57,12 @@ extern "C" {
> #define RTE_PCI_CAP_ID_MSIX 0x11 /* MSI-X */
> #define RTE_PCI_CAP_SIZEOF 4
>
> +/* Power Management Registers (RTE_PCI_CAP_ID_PM) */
> +#define RTE_PCI_PM_CTRL 4 /* PM control and status
> register */
> +#define RTE_PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0
> to D3) */
> +#define RTE_PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */
> +#define RTE_PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */
> +
> /* MSI-X registers (RTE_PCI_CAP_ID_MSIX) */
> #define RTE_PCI_MSIX_FLAGS 2 /* Message Control */
> #define RTE_PCI_MSIX_FLAGS_QSIZE 0x07ff /* Table size */
> --
> 2.41.0
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
next prev parent reply other threads:[~2023-09-07 13:16 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-03 7:50 [PATCH 00/14] Cleanup PCI(e) drivers David Marchand
2023-08-03 7:50 ` [PATCH 01/14] drivers: remove duplicated PCI master control David Marchand
2023-08-03 9:45 ` Bruce Richardson
2023-10-07 2:53 ` fengchengwen
2023-08-03 7:50 ` [PATCH 02/14] bus/pci: add const to some experimental API David Marchand
2023-08-03 9:46 ` Bruce Richardson
2023-08-03 11:50 ` David Marchand
2023-08-03 7:50 ` [PATCH 03/14] bus/pci: find PCI capability David Marchand
2023-08-03 9:49 ` Bruce Richardson
2023-08-03 9:52 ` Bruce Richardson
2023-08-03 11:49 ` David Marchand
2023-08-03 7:50 ` [PATCH 04/14] pci: define some capability constants David Marchand
2023-08-03 9:51 ` Bruce Richardson
2023-08-03 7:50 ` [PATCH 05/14] pci: define some MSIX constants David Marchand
2023-08-03 9:53 ` Bruce Richardson
2023-08-03 7:50 ` [PATCH 06/14] pci: define some command constants David Marchand
2023-08-03 9:57 ` Bruce Richardson
2023-08-03 11:51 ` David Marchand
2023-08-08 9:20 ` David Marchand
2023-08-08 10:08 ` Bruce Richardson
2023-08-22 19:23 ` Adam Hassick
2023-08-03 7:50 ` [PATCH 07/14] pci: define some BAR constants David Marchand
2023-08-03 9:58 ` Bruce Richardson
2023-08-03 7:50 ` [PATCH 08/14] pci: define some PM constants David Marchand
2023-08-03 9:59 ` Bruce Richardson
2023-08-03 7:50 ` [PATCH 09/14] pci: define some PCIe constants David Marchand
2023-08-03 10:01 ` Bruce Richardson
2023-08-03 7:50 ` [PATCH 10/14] pci: define some extended capability constants David Marchand
2023-08-03 7:50 ` [PATCH 11/14] pci: define some ACS constants David Marchand
2023-08-03 7:50 ` [PATCH 12/14] pci: define some PRI constants David Marchand
2023-08-03 7:50 ` [PATCH 13/14] pci: define some AER constants David Marchand
2023-08-03 7:50 ` [PATCH 14/14] devtools: forbid inclusion of Linux header for PCI David Marchand
2023-08-03 10:03 ` [PATCH 00/14] Cleanup PCI(e) drivers Bruce Richardson
2023-08-21 11:35 ` [PATCH v2 00/15] " David Marchand
2023-08-21 11:35 ` [PATCH v2 01/15] drivers: remove duplicated PCI master control David Marchand
2023-09-06 13:02 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 02/15] bus/pci: add const to some experimental API David Marchand
2023-08-21 16:14 ` Tyler Retzlaff
2023-09-06 13:02 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 03/15] bus/pci: rework MSIX discovery with VFIO David Marchand
2023-09-06 13:03 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 04/15] bus/pci: find PCI capability David Marchand
2023-09-07 12:43 ` Xia, Chenbo
2023-09-14 12:29 ` David Marchand
2023-09-19 2:19 ` Xia, Chenbo
2023-09-19 9:00 ` David Marchand
2023-08-21 11:35 ` [PATCH v2 05/15] pci: define some capability constants David Marchand
2023-09-07 13:15 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 06/15] pci: define some MSIX constants David Marchand
2023-09-07 13:15 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 07/15] pci: define some command constants David Marchand
2023-09-07 13:15 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 08/15] pci: define some BAR constants David Marchand
2023-09-07 13:16 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 09/15] pci: define some PM constants David Marchand
2023-09-07 13:16 ` Xia, Chenbo [this message]
2023-08-21 11:35 ` [PATCH v2 10/15] pci: define some PCIe constants David Marchand
2023-09-07 13:16 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 11/15] pci: define some extended capability constants David Marchand
2023-09-07 13:23 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 12/15] pci: define some ACS constants David Marchand
2023-08-21 11:35 ` [PATCH v2 13/15] pci: define some PRI constants David Marchand
2023-08-21 11:35 ` [PATCH v2 14/15] pci: define some AER constants David Marchand
2023-08-21 11:35 ` [PATCH v2 15/15] devtools: forbid inclusion of Linux header for PCI David Marchand
2023-08-21 16:24 ` Tyler Retzlaff
2023-09-07 13:33 ` Xia, Chenbo
2023-08-22 15:30 ` [PATCH v2 00/15] Cleanup PCI(e) drivers Patrick Robb
2023-08-22 16:09 ` [PATCH 00/14] " Adam Hassick
2023-08-22 16:48 ` Adam Hassick
2023-08-24 15:44 ` Adam Hassick
2023-09-14 12:35 ` [PATCH v3 00/15] " David Marchand
2023-09-14 12:36 ` [PATCH v3 01/15] drivers: remove duplicated PCI master control David Marchand
2023-09-14 12:36 ` [PATCH v3 02/15] bus/pci: add const to some experimental API David Marchand
2023-09-14 12:36 ` [PATCH v3 03/15] bus/pci: rework MSIX discovery with VFIO David Marchand
2023-09-14 12:36 ` [PATCH v3 04/15] bus/pci: find PCI capability David Marchand
2023-09-19 2:33 ` Xia, Chenbo
2023-09-14 12:36 ` [PATCH v3 05/15] pci: define some capability constants David Marchand
2023-09-15 16:27 ` Sevincer, Abdullah
2023-09-14 12:36 ` [PATCH v3 06/15] pci: define some MSIX constants David Marchand
2023-09-14 12:36 ` [PATCH v3 07/15] pci: define some command constants David Marchand
2023-09-14 12:36 ` [PATCH v3 08/15] pci: define some BAR constants David Marchand
2023-09-14 12:36 ` [PATCH v3 09/15] pci: define some PM constants David Marchand
2023-09-14 12:36 ` [PATCH v3 10/15] pci: define some PCIe constants David Marchand
2023-09-15 16:26 ` Sevincer, Abdullah
2023-09-14 12:36 ` [PATCH v3 11/15] pci: define some extended capability constants David Marchand
2023-09-15 16:27 ` Sevincer, Abdullah
2023-09-14 12:36 ` [PATCH v3 12/15] pci: define some ACS constants David Marchand
2023-09-15 16:25 ` Sevincer, Abdullah
2023-09-19 2:35 ` Xia, Chenbo
2023-09-14 12:36 ` [PATCH v3 13/15] pci: define some PRI constants David Marchand
2023-09-15 16:21 ` Sevincer, Abdullah
2023-09-19 2:36 ` Xia, Chenbo
2023-09-14 12:36 ` [PATCH v3 14/15] pci: define some AER constants David Marchand
2023-09-15 16:26 ` Sevincer, Abdullah
2023-09-19 2:36 ` Xia, Chenbo
2023-09-14 12:36 ` [PATCH v3 15/15] devtools: forbid inclusion of Linux header for PCI David Marchand
2023-09-15 15:14 ` [PATCH v3 00/15] Cleanup PCI(e) drivers Stephen Hemminger
2023-09-19 12:41 ` David Marchand
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