+++ /dev/null
-From f07788079f515ca4a681c5f595bdad19cfbd7b1d Mon Sep 17 00:00:00 2001
-From: Arnd Bergmann <arnd@arndb.de>
-Date: Sat, 3 Dec 2022 11:54:25 +0100
-Subject: [PATCH] ata: ahci: fix enum constants for gcc-13
-
-gcc-13 slightly changes the type of constant expressions that are defined
-in an enum, which triggers a compile time sanity check in libata:
-
-linux/drivers/ata/libahci.c: In function 'ahci_led_store':
-linux/include/linux/compiler_types.h:357:45: error: call to '__compiletime_assert_302' declared with attribute error: BUILD_BUG_ON failed: sizeof(_s) > sizeof(long)
-357 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
-
-The new behavior is that sizeof() returns the same value for the
-constant as it does for the enum type, which is generally more sensible
-and consistent.
-
-The problem in libata is that it contains a single enum definition for
-lots of unrelated constants, some of which are large positive (unsigned)
-integers like 0xffffffff, while others like (1<<31) are interpreted as
-negative integers, and this forces the enum type to become 64 bit wide
-even though most constants would still fit into a signed 32-bit 'int'.
-
-Fix this by changing the entire enum definition to use BIT(x) in place
-of (1<<x), which results in all values being seen as 'unsigned' and
-fitting into an unsigned 32-bit type.
-
-Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107917
-Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107405
-Reported-by: Luis Machado <luis.machado@arm.com>
-Cc: linux-ide@vger.kernel.org
-Cc: Damien Le Moal <damien.lemoal@opensource.wdc.com>
-Cc: stable@vger.kernel.org
-Cc: Randy Dunlap <rdunlap@infradead.org>
-Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-Tested-by: Luis Machado <luis.machado@arm.com>
-Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
----
- drivers/ata/ahci.h | 245 +++++++++++++++++++++++----------------------
- 1 file changed, 123 insertions(+), 122 deletions(-)
-
---- a/drivers/ata/ahci.h
-+++ b/drivers/ata/ahci.h
-@@ -24,6 +24,7 @@
- #include <linux/libata.h>
- #include <linux/phy/phy.h>
- #include <linux/regulator/consumer.h>
-+#include <linux/bits.h>
-
- /* Enclosure Management Control */
- #define EM_CTRL_MSG_TYPE 0x000f0000
-@@ -54,12 +55,12 @@ enum {
- AHCI_PORT_PRIV_FBS_DMA_SZ = AHCI_CMD_SLOT_SZ +
- AHCI_CMD_TBL_AR_SZ +
- (AHCI_RX_FIS_SZ * 16),
-- AHCI_IRQ_ON_SG = (1 << 31),
-- AHCI_CMD_ATAPI = (1 << 5),
-- AHCI_CMD_WRITE = (1 << 6),
-- AHCI_CMD_PREFETCH = (1 << 7),
-- AHCI_CMD_RESET = (1 << 8),
-- AHCI_CMD_CLR_BUSY = (1 << 10),
-+ AHCI_IRQ_ON_SG = BIT(31),
-+ AHCI_CMD_ATAPI = BIT(5),
-+ AHCI_CMD_WRITE = BIT(6),
-+ AHCI_CMD_PREFETCH = BIT(7),
-+ AHCI_CMD_RESET = BIT(8),
-+ AHCI_CMD_CLR_BUSY = BIT(10),
-
- RX_FIS_PIO_SETUP = 0x20, /* offset of PIO Setup FIS data */
- RX_FIS_D2H_REG = 0x40, /* offset of D2H Register FIS data */
-@@ -77,37 +78,37 @@ enum {
- HOST_CAP2 = 0x24, /* host capabilities, extended */
-
- /* HOST_CTL bits */
-- HOST_RESET = (1 << 0), /* reset controller; self-clear */
-- HOST_IRQ_EN = (1 << 1), /* global IRQ enable */
-- HOST_MRSM = (1 << 2), /* MSI Revert to Single Message */
-- HOST_AHCI_EN = (1 << 31), /* AHCI enabled */
-+ HOST_RESET = BIT(0), /* reset controller; self-clear */
-+ HOST_IRQ_EN = BIT(1), /* global IRQ enable */
-+ HOST_MRSM = BIT(2), /* MSI Revert to Single Message */
-+ HOST_AHCI_EN = BIT(31), /* AHCI enabled */
-
- /* HOST_CAP bits */
-- HOST_CAP_SXS = (1 << 5), /* Supports External SATA */
-- HOST_CAP_EMS = (1 << 6), /* Enclosure Management support */
-- HOST_CAP_CCC = (1 << 7), /* Command Completion Coalescing */
-- HOST_CAP_PART = (1 << 13), /* Partial state capable */
-- HOST_CAP_SSC = (1 << 14), /* Slumber state capable */
-- HOST_CAP_PIO_MULTI = (1 << 15), /* PIO multiple DRQ support */
-- HOST_CAP_FBS = (1 << 16), /* FIS-based switching support */
-- HOST_CAP_PMP = (1 << 17), /* Port Multiplier support */
-- HOST_CAP_ONLY = (1 << 18), /* Supports AHCI mode only */
-- HOST_CAP_CLO = (1 << 24), /* Command List Override support */
-- HOST_CAP_LED = (1 << 25), /* Supports activity LED */
-- HOST_CAP_ALPM = (1 << 26), /* Aggressive Link PM support */
-- HOST_CAP_SSS = (1 << 27), /* Staggered Spin-up */
-- HOST_CAP_MPS = (1 << 28), /* Mechanical presence switch */
-- HOST_CAP_SNTF = (1 << 29), /* SNotification register */
-- HOST_CAP_NCQ = (1 << 30), /* Native Command Queueing */
-- HOST_CAP_64 = (1 << 31), /* PCI DAC (64-bit DMA) support */
-+ HOST_CAP_SXS = BIT(5), /* Supports External SATA */
-+ HOST_CAP_EMS = BIT(6), /* Enclosure Management support */
-+ HOST_CAP_CCC = BIT(7), /* Command Completion Coalescing */
-+ HOST_CAP_PART = BIT(13), /* Partial state capable */
-+ HOST_CAP_SSC = BIT(14), /* Slumber state capable */
-+ HOST_CAP_PIO_MULTI = BIT(15), /* PIO multiple DRQ support */
-+ HOST_CAP_FBS = BIT(16), /* FIS-based switching support */
-+ HOST_CAP_PMP = BIT(17), /* Port Multiplier support */
-+ HOST_CAP_ONLY = BIT(18), /* Supports AHCI mode only */
-+ HOST_CAP_CLO = BIT(24), /* Command List Override support */
-+ HOST_CAP_LED = BIT(25), /* Supports activity LED */
-+ HOST_CAP_ALPM = BIT(26), /* Aggressive Link PM support */
-+ HOST_CAP_SSS = BIT(27), /* Staggered Spin-up */
-+ HOST_CAP_MPS = BIT(28), /* Mechanical presence switch */
-+ HOST_CAP_SNTF = BIT(29), /* SNotification register */
-+ HOST_CAP_NCQ = BIT(30), /* Native Command Queueing */
-+ HOST_CAP_64 = BIT(31), /* PCI DAC (64-bit DMA) support */
-
- /* HOST_CAP2 bits */
-- HOST_CAP2_BOH = (1 << 0), /* BIOS/OS handoff supported */
-- HOST_CAP2_NVMHCI = (1 << 1), /* NVMHCI supported */
-- HOST_CAP2_APST = (1 << 2), /* Automatic partial to slumber */
-- HOST_CAP2_SDS = (1 << 3), /* Support device sleep */
-- HOST_CAP2_SADM = (1 << 4), /* Support aggressive DevSlp */
-- HOST_CAP2_DESO = (1 << 5), /* DevSlp from slumber only */
-+ HOST_CAP2_BOH = BIT(0), /* BIOS/OS handoff supported */
-+ HOST_CAP2_NVMHCI = BIT(1), /* NVMHCI supported */
-+ HOST_CAP2_APST = BIT(2), /* Automatic partial to slumber */
-+ HOST_CAP2_SDS = BIT(3), /* Support device sleep */
-+ HOST_CAP2_SADM = BIT(4), /* Support aggressive DevSlp */
-+ HOST_CAP2_DESO = BIT(5), /* DevSlp from slumber only */
-
- /* registers for each SATA port */
- PORT_LST_ADDR = 0x00, /* command list DMA addr */
-@@ -129,24 +130,24 @@ enum {
- PORT_DEVSLP = 0x44, /* device sleep */
-
- /* PORT_IRQ_{STAT,MASK} bits */
-- PORT_IRQ_COLD_PRES = (1 << 31), /* cold presence detect */
-- PORT_IRQ_TF_ERR = (1 << 30), /* task file error */
-- PORT_IRQ_HBUS_ERR = (1 << 29), /* host bus fatal error */
-- PORT_IRQ_HBUS_DATA_ERR = (1 << 28), /* host bus data error */
-- PORT_IRQ_IF_ERR = (1 << 27), /* interface fatal error */
-- PORT_IRQ_IF_NONFATAL = (1 << 26), /* interface non-fatal error */
-- PORT_IRQ_OVERFLOW = (1 << 24), /* xfer exhausted available S/G */
-- PORT_IRQ_BAD_PMP = (1 << 23), /* incorrect port multiplier */
--
-- PORT_IRQ_PHYRDY = (1 << 22), /* PhyRdy changed */
-- PORT_IRQ_DEV_ILCK = (1 << 7), /* device interlock */
-- PORT_IRQ_CONNECT = (1 << 6), /* port connect change status */
-- PORT_IRQ_SG_DONE = (1 << 5), /* descriptor processed */
-- PORT_IRQ_UNK_FIS = (1 << 4), /* unknown FIS rx'd */
-- PORT_IRQ_SDB_FIS = (1 << 3), /* Set Device Bits FIS rx'd */
-- PORT_IRQ_DMAS_FIS = (1 << 2), /* DMA Setup FIS rx'd */
-- PORT_IRQ_PIOS_FIS = (1 << 1), /* PIO Setup FIS rx'd */
-- PORT_IRQ_D2H_REG_FIS = (1 << 0), /* D2H Register FIS rx'd */
-+ PORT_IRQ_COLD_PRES = BIT(31), /* cold presence detect */
-+ PORT_IRQ_TF_ERR = BIT(30), /* task file error */
-+ PORT_IRQ_HBUS_ERR = BIT(29), /* host bus fatal error */
-+ PORT_IRQ_HBUS_DATA_ERR = BIT(28), /* host bus data error */
-+ PORT_IRQ_IF_ERR = BIT(27), /* interface fatal error */
-+ PORT_IRQ_IF_NONFATAL = BIT(26), /* interface non-fatal error */
-+ PORT_IRQ_OVERFLOW = BIT(24), /* xfer exhausted available S/G */
-+ PORT_IRQ_BAD_PMP = BIT(23), /* incorrect port multiplier */
-+
-+ PORT_IRQ_PHYRDY = BIT(22), /* PhyRdy changed */
-+ PORT_IRQ_DEV_ILCK = BIT(7), /* device interlock */
-+ PORT_IRQ_CONNECT = BIT(6), /* port connect change status */
-+ PORT_IRQ_SG_DONE = BIT(5), /* descriptor processed */
-+ PORT_IRQ_UNK_FIS = BIT(4), /* unknown FIS rx'd */
-+ PORT_IRQ_SDB_FIS = BIT(3), /* Set Device Bits FIS rx'd */
-+ PORT_IRQ_DMAS_FIS = BIT(2), /* DMA Setup FIS rx'd */
-+ PORT_IRQ_PIOS_FIS = BIT(1), /* PIO Setup FIS rx'd */
-+ PORT_IRQ_D2H_REG_FIS = BIT(0), /* D2H Register FIS rx'd */
-
- PORT_IRQ_FREEZE = PORT_IRQ_HBUS_ERR |
- PORT_IRQ_IF_ERR |
-@@ -162,34 +163,34 @@ enum {
- PORT_IRQ_PIOS_FIS | PORT_IRQ_D2H_REG_FIS,
-
- /* PORT_CMD bits */
-- PORT_CMD_ASP = (1 << 27), /* Aggressive Slumber/Partial */
-- PORT_CMD_ALPE = (1 << 26), /* Aggressive Link PM enable */
-- PORT_CMD_ATAPI = (1 << 24), /* Device is ATAPI */
-- PORT_CMD_FBSCP = (1 << 22), /* FBS Capable Port */
-- PORT_CMD_ESP = (1 << 21), /* External Sata Port */
-- PORT_CMD_HPCP = (1 << 18), /* HotPlug Capable Port */
-- PORT_CMD_PMP = (1 << 17), /* PMP attached */
-- PORT_CMD_LIST_ON = (1 << 15), /* cmd list DMA engine running */
-- PORT_CMD_FIS_ON = (1 << 14), /* FIS DMA engine running */
-- PORT_CMD_FIS_RX = (1 << 4), /* Enable FIS receive DMA engine */
-- PORT_CMD_CLO = (1 << 3), /* Command list override */
-- PORT_CMD_POWER_ON = (1 << 2), /* Power up device */
-- PORT_CMD_SPIN_UP = (1 << 1), /* Spin up device */
-- PORT_CMD_START = (1 << 0), /* Enable port DMA engine */
--
-- PORT_CMD_ICC_MASK = (0xf << 28), /* i/f ICC state mask */
-- PORT_CMD_ICC_ACTIVE = (0x1 << 28), /* Put i/f in active state */
-- PORT_CMD_ICC_PARTIAL = (0x2 << 28), /* Put i/f in partial state */
-- PORT_CMD_ICC_SLUMBER = (0x6 << 28), /* Put i/f in slumber state */
-+ PORT_CMD_ASP = BIT(27), /* Aggressive Slumber/Partial */
-+ PORT_CMD_ALPE = BIT(26), /* Aggressive Link PM enable */
-+ PORT_CMD_ATAPI = BIT(24), /* Device is ATAPI */
-+ PORT_CMD_FBSCP = BIT(22), /* FBS Capable Port */
-+ PORT_CMD_ESP = BIT(21), /* External Sata Port */
-+ PORT_CMD_HPCP = BIT(18), /* HotPlug Capable Port */
-+ PORT_CMD_PMP = BIT(17), /* PMP attached */
-+ PORT_CMD_LIST_ON = BIT(15), /* cmd list DMA engine running */
-+ PORT_CMD_FIS_ON = BIT(14), /* FIS DMA engine running */
-+ PORT_CMD_FIS_RX = BIT(4), /* Enable FIS receive DMA engine */
-+ PORT_CMD_CLO = BIT(3), /* Command list override */
-+ PORT_CMD_POWER_ON = BIT(2), /* Power up device */
-+ PORT_CMD_SPIN_UP = BIT(1), /* Spin up device */
-+ PORT_CMD_START = BIT(0), /* Enable port DMA engine */
-+
-+ PORT_CMD_ICC_MASK = (0xfu << 28), /* i/f ICC state mask */
-+ PORT_CMD_ICC_ACTIVE = (0x1u << 28), /* Put i/f in active state */
-+ PORT_CMD_ICC_PARTIAL = (0x2u << 28), /* Put i/f in partial state */
-+ PORT_CMD_ICC_SLUMBER = (0x6u << 28), /* Put i/f in slumber state */
-
- /* PORT_FBS bits */
- PORT_FBS_DWE_OFFSET = 16, /* FBS device with error offset */
- PORT_FBS_ADO_OFFSET = 12, /* FBS active dev optimization offset */
- PORT_FBS_DEV_OFFSET = 8, /* FBS device to issue offset */
- PORT_FBS_DEV_MASK = (0xf << PORT_FBS_DEV_OFFSET), /* FBS.DEV */
-- PORT_FBS_SDE = (1 << 2), /* FBS single device error */
-- PORT_FBS_DEC = (1 << 1), /* FBS device error clear */
-- PORT_FBS_EN = (1 << 0), /* Enable FBS */
-+ PORT_FBS_SDE = BIT(2), /* FBS single device error */
-+ PORT_FBS_DEC = BIT(1), /* FBS device error clear */
-+ PORT_FBS_EN = BIT(0), /* Enable FBS */
-
- /* PORT_DEVSLP bits */
- PORT_DEVSLP_DM_OFFSET = 25, /* DITO multiplier offset */
-@@ -197,50 +198,50 @@ enum {
- PORT_DEVSLP_DITO_OFFSET = 15, /* DITO offset */
- PORT_DEVSLP_MDAT_OFFSET = 10, /* Minimum assertion time */
- PORT_DEVSLP_DETO_OFFSET = 2, /* DevSlp exit timeout */
-- PORT_DEVSLP_DSP = (1 << 1), /* DevSlp present */
-- PORT_DEVSLP_ADSE = (1 << 0), /* Aggressive DevSlp enable */
-+ PORT_DEVSLP_DSP = BIT(1), /* DevSlp present */
-+ PORT_DEVSLP_ADSE = BIT(0), /* Aggressive DevSlp enable */
-
- /* hpriv->flags bits */
-
- #define AHCI_HFLAGS(flags) .private_data = (void *)(flags)
-
-- AHCI_HFLAG_NO_NCQ = (1 << 0),
-- AHCI_HFLAG_IGN_IRQ_IF_ERR = (1 << 1), /* ignore IRQ_IF_ERR */
-- AHCI_HFLAG_IGN_SERR_INTERNAL = (1 << 2), /* ignore SERR_INTERNAL */
-- AHCI_HFLAG_32BIT_ONLY = (1 << 3), /* force 32bit */
-- AHCI_HFLAG_MV_PATA = (1 << 4), /* PATA port */
-- AHCI_HFLAG_NO_MSI = (1 << 5), /* no PCI MSI */
-- AHCI_HFLAG_NO_PMP = (1 << 6), /* no PMP */
-- AHCI_HFLAG_SECT255 = (1 << 8), /* max 255 sectors */
-- AHCI_HFLAG_YES_NCQ = (1 << 9), /* force NCQ cap on */
-- AHCI_HFLAG_NO_SUSPEND = (1 << 10), /* don't suspend */
-- AHCI_HFLAG_SRST_TOUT_IS_OFFLINE = (1 << 11), /* treat SRST timeout as
-+ AHCI_HFLAG_NO_NCQ = BIT(0),
-+ AHCI_HFLAG_IGN_IRQ_IF_ERR = BIT(1), /* ignore IRQ_IF_ERR */
-+ AHCI_HFLAG_IGN_SERR_INTERNAL = BIT(2), /* ignore SERR_INTERNAL */
-+ AHCI_HFLAG_32BIT_ONLY = BIT(3), /* force 32bit */
-+ AHCI_HFLAG_MV_PATA = BIT(4), /* PATA port */
-+ AHCI_HFLAG_NO_MSI = BIT(5), /* no PCI MSI */
-+ AHCI_HFLAG_NO_PMP = BIT(6), /* no PMP */
-+ AHCI_HFLAG_SECT255 = BIT(8), /* max 255 sectors */
-+ AHCI_HFLAG_YES_NCQ = BIT(9), /* force NCQ cap on */
-+ AHCI_HFLAG_NO_SUSPEND = BIT(10), /* don't suspend */
-+ AHCI_HFLAG_SRST_TOUT_IS_OFFLINE = BIT(11), /* treat SRST timeout as
- link offline */
-- AHCI_HFLAG_NO_SNTF = (1 << 12), /* no sntf */
-- AHCI_HFLAG_NO_FPDMA_AA = (1 << 13), /* no FPDMA AA */
-- AHCI_HFLAG_YES_FBS = (1 << 14), /* force FBS cap on */
-- AHCI_HFLAG_DELAY_ENGINE = (1 << 15), /* do not start engine on
-+ AHCI_HFLAG_NO_SNTF = BIT(12), /* no sntf */
-+ AHCI_HFLAG_NO_FPDMA_AA = BIT(13), /* no FPDMA AA */
-+ AHCI_HFLAG_YES_FBS = BIT(14), /* force FBS cap on */
-+ AHCI_HFLAG_DELAY_ENGINE = BIT(15), /* do not start engine on
- port start (wait until
- error-handling stage) */
-- AHCI_HFLAG_NO_DEVSLP = (1 << 17), /* no device sleep */
-- AHCI_HFLAG_NO_FBS = (1 << 18), /* no FBS */
-+ AHCI_HFLAG_NO_DEVSLP = BIT(17), /* no device sleep */
-+ AHCI_HFLAG_NO_FBS = BIT(18), /* no FBS */
-
- #ifdef CONFIG_PCI_MSI
-- AHCI_HFLAG_MULTI_MSI = (1 << 20), /* per-port MSI(-X) */
-+ AHCI_HFLAG_MULTI_MSI = BIT(20), /* per-port MSI(-X) */
- #else
- /* compile out MSI infrastructure */
- AHCI_HFLAG_MULTI_MSI = 0,
- #endif
-- AHCI_HFLAG_WAKE_BEFORE_STOP = (1 << 22), /* wake before DMA stop */
-- AHCI_HFLAG_YES_ALPM = (1 << 23), /* force ALPM cap on */
-- AHCI_HFLAG_NO_WRITE_TO_RO = (1 << 24), /* don't write to read
-+ AHCI_HFLAG_WAKE_BEFORE_STOP = BIT(22), /* wake before DMA stop */
-+ AHCI_HFLAG_YES_ALPM = BIT(23), /* force ALPM cap on */
-+ AHCI_HFLAG_NO_WRITE_TO_RO = BIT(24), /* don't write to read
- only registers */
-- AHCI_HFLAG_IS_MOBILE = (1 << 25), /* mobile chipset, use
-+ AHCI_HFLAG_IS_MOBILE = BIT(25), /* mobile chipset, use
- SATA_MOBILE_LPM_POLICY
- as default lpm_policy */
-- AHCI_HFLAG_SUSPEND_PHYS = (1 << 26), /* handle PHYs during
-+ AHCI_HFLAG_SUSPEND_PHYS = BIT(26), /* handle PHYs during
- suspend/resume */
-- AHCI_HFLAG_NO_SXS = (1 << 28), /* SXS not supported */
-+ AHCI_HFLAG_NO_SXS = BIT(28), /* SXS not supported */
-
- /* ap->flags bits */
-
-@@ -256,22 +257,22 @@ enum {
- EM_MAX_RETRY = 5,
-
- /* em_ctl bits */
-- EM_CTL_RST = (1 << 9), /* Reset */
-- EM_CTL_TM = (1 << 8), /* Transmit Message */
-- EM_CTL_MR = (1 << 0), /* Message Received */
-- EM_CTL_ALHD = (1 << 26), /* Activity LED */
-- EM_CTL_XMT = (1 << 25), /* Transmit Only */
-- EM_CTL_SMB = (1 << 24), /* Single Message Buffer */
-- EM_CTL_SGPIO = (1 << 19), /* SGPIO messages supported */
-- EM_CTL_SES = (1 << 18), /* SES-2 messages supported */
-- EM_CTL_SAFTE = (1 << 17), /* SAF-TE messages supported */
-- EM_CTL_LED = (1 << 16), /* LED messages supported */
-+ EM_CTL_RST = BIT(9), /* Reset */
-+ EM_CTL_TM = BIT(8), /* Transmit Message */
-+ EM_CTL_MR = BIT(0), /* Message Received */
-+ EM_CTL_ALHD = BIT(26), /* Activity LED */
-+ EM_CTL_XMT = BIT(25), /* Transmit Only */
-+ EM_CTL_SMB = BIT(24), /* Single Message Buffer */
-+ EM_CTL_SGPIO = BIT(19), /* SGPIO messages supported */
-+ EM_CTL_SES = BIT(18), /* SES-2 messages supported */
-+ EM_CTL_SAFTE = BIT(17), /* SAF-TE messages supported */
-+ EM_CTL_LED = BIT(16), /* LED messages supported */
-
- /* em message type */
-- EM_MSG_TYPE_LED = (1 << 0), /* LED */
-- EM_MSG_TYPE_SAFTE = (1 << 1), /* SAF-TE */
-- EM_MSG_TYPE_SES2 = (1 << 2), /* SES-2 */
-- EM_MSG_TYPE_SGPIO = (1 << 3), /* SGPIO */
-+ EM_MSG_TYPE_LED = BIT(0), /* LED */
-+ EM_MSG_TYPE_SAFTE = BIT(1), /* SAF-TE */
-+ EM_MSG_TYPE_SES2 = BIT(2), /* SES-2 */
-+ EM_MSG_TYPE_SGPIO = BIT(3), /* SGPIO */
- };
-
- struct ahci_cmd_hdr {
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