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authorJoel Stanley <joel@jms.id.au>2016-01-22 16:13:06 +1030
committerJoel Stanley <joel@jms.id.au>2016-01-28 21:47:47 +1030
commitd9669fe85dca8da2ebd49f8d87921019ec42806c (patch)
treea2e7b3bfdbf55ae0a0745de749a45a472adfdc1f /openpower/linux/linux-0007-aacraid-Add-Power-Management-support.patch
parentda2732d9bde6351c4668f50a63c9a02aeaec30d6 (diff)
downloadtalos-op-build-d9669fe85dca8da2ebd49f8d87921019ec42806c.tar.gz
talos-op-build-d9669fe85dca8da2ebd49f8d87921019ec42806c.zip
Release 4.4-openpower2 kernel
- Updated defconfig for 4.4 - Adds EEH PE patch - Restores xhci driver workarounds for USB bugs - aacraid driver is now usptream - Powerpc kexec patches are upstream Tested on palmetto and habanero systems. Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'openpower/linux/linux-0007-aacraid-Add-Power-Management-support.patch')
-rw-r--r--openpower/linux/linux-0007-aacraid-Add-Power-Management-support.patch441
1 files changed, 0 insertions, 441 deletions
diff --git a/openpower/linux/linux-0007-aacraid-Add-Power-Management-support.patch b/openpower/linux/linux-0007-aacraid-Add-Power-Management-support.patch
deleted file mode 100644
index c26a5baf..00000000
--- a/openpower/linux/linux-0007-aacraid-Add-Power-Management-support.patch
+++ /dev/null
@@ -1,441 +0,0 @@
-From fd4cc1e0ec6ca370ece67af9e6a3cde5cb9becb6 Mon Sep 17 00:00:00 2001
-From: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>
-Date: Fri, 28 Aug 2015 06:38:34 -0400
-Subject: [PATCH 07/15] aacraid: Add Power Management support
-
-* .suspend() and .resume() routines implemented in the driver
-* aac_release_resources() initiates firmware shutdown
-* aac_acquire_resources re-initializes the host interface
-
-Reviewed-by: Tomas Henzl <thenzl@redhat.com>
-Reviewed-by: Murthy Bhat <Murthy.Bhat@pmcs.com>
-Reviewed-by: Karthikeya Sunkesula <Karthikeya.Sunkesula@pmcs.com>
-Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>
-Signed-off-by: Joel Stanley <joel@jms.id.au>
----
- drivers/scsi/aacraid/aacraid.h | 5 ++
- drivers/scsi/aacraid/comminit.c | 154 ++++++++++++++++++++--------------------
- drivers/scsi/aacraid/linit.c | 147 ++++++++++++++++++++++++++++++++++++++
- drivers/scsi/aacraid/rx.c | 1 +
- drivers/scsi/aacraid/sa.c | 1 +
- drivers/scsi/aacraid/src.c | 2 +
- 6 files changed, 232 insertions(+), 78 deletions(-)
-
-diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
-index 40fe65c91b41..62b099940345 100644
---- a/drivers/scsi/aacraid/aacraid.h
-+++ b/drivers/scsi/aacraid/aacraid.h
-@@ -547,6 +547,7 @@ struct adapter_ops
- int (*adapter_sync_cmd)(struct aac_dev *dev, u32 command, u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4);
- int (*adapter_check_health)(struct aac_dev *dev);
- int (*adapter_restart)(struct aac_dev *dev, int bled);
-+ void (*adapter_start)(struct aac_dev *dev);
- /* Transport operations */
- int (*adapter_ioremap)(struct aac_dev * dev, u32 size);
- irq_handler_t adapter_intr;
-@@ -1247,6 +1248,9 @@ struct aac_dev
- #define aac_adapter_restart(dev,bled) \
- (dev)->a_ops.adapter_restart(dev,bled)
-
-+#define aac_adapter_start(dev) \
-+ ((dev)->a_ops.adapter_start(dev))
-+
- #define aac_adapter_ioremap(dev, size) \
- (dev)->a_ops.adapter_ioremap(dev, size)
-
-@@ -2127,6 +2131,7 @@ int aac_sa_init(struct aac_dev *dev);
- int aac_src_init(struct aac_dev *dev);
- int aac_srcv_init(struct aac_dev *dev);
- int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify);
-+void aac_define_int_mode(struct aac_dev *dev);
- unsigned int aac_response_normal(struct aac_queue * q);
- unsigned int aac_command_normal(struct aac_queue * q);
- unsigned int aac_intr_normal(struct aac_dev *dev, u32 Index,
-diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
-index 45db84ad322f..45a0a044dfdb 100644
---- a/drivers/scsi/aacraid/comminit.c
-+++ b/drivers/scsi/aacraid/comminit.c
-@@ -43,8 +43,6 @@
-
- #include "aacraid.h"
-
--static void aac_define_int_mode(struct aac_dev *dev);
--
- struct aac_common aac_config = {
- .irq_mod = 1
- };
-@@ -338,6 +336,82 @@ static int aac_comm_init(struct aac_dev * dev)
- return 0;
- }
-
-+void aac_define_int_mode(struct aac_dev *dev)
-+{
-+ int i, msi_count;
-+
-+ msi_count = i = 0;
-+ /* max. vectors from GET_COMM_PREFERRED_SETTINGS */
-+ if (dev->max_msix == 0 ||
-+ dev->pdev->device == PMC_DEVICE_S6 ||
-+ dev->sync_mode) {
-+ dev->max_msix = 1;
-+ dev->vector_cap =
-+ dev->scsi_host_ptr->can_queue +
-+ AAC_NUM_MGT_FIB;
-+ return;
-+ }
-+
-+ /* Don't bother allocating more MSI-X vectors than cpus */
-+ msi_count = min(dev->max_msix,
-+ (unsigned int)num_online_cpus());
-+
-+ dev->max_msix = msi_count;
-+
-+ if (msi_count > AAC_MAX_MSIX)
-+ msi_count = AAC_MAX_MSIX;
-+
-+ for (i = 0; i < msi_count; i++)
-+ dev->msixentry[i].entry = i;
-+
-+ if (msi_count > 1 &&
-+ pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
-+ i = pci_enable_msix(dev->pdev,
-+ dev->msixentry,
-+ msi_count);
-+ /* Check how many MSIX vectors are allocated */
-+ if (i >= 0) {
-+ dev->msi_enabled = 1;
-+ if (i) {
-+ msi_count = i;
-+ if (pci_enable_msix(dev->pdev,
-+ dev->msixentry,
-+ msi_count)) {
-+ dev->msi_enabled = 0;
-+ printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
-+ dev->name, dev->id, i);
-+ }
-+ }
-+ } else {
-+ dev->msi_enabled = 0;
-+ printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
-+ dev->name, dev->id, i);
-+ }
-+ }
-+
-+ if (!dev->msi_enabled) {
-+ msi_count = 1;
-+ i = pci_enable_msi(dev->pdev);
-+
-+ if (!i) {
-+ dev->msi_enabled = 1;
-+ dev->msi = 1;
-+ } else {
-+ printk(KERN_ERR "%s%d: MSI not supported!! Will try INTx 0x%x.\n",
-+ dev->name, dev->id, i);
-+ }
-+ }
-+
-+ if (!dev->msi_enabled)
-+ dev->max_msix = msi_count = 1;
-+ else {
-+ if (dev->max_msix > msi_count)
-+ dev->max_msix = msi_count;
-+ }
-+ dev->vector_cap =
-+ (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) /
-+ msi_count;
-+}
- struct aac_dev *aac_init_adapter(struct aac_dev *dev)
- {
- u32 status[5];
-@@ -508,79 +582,3 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
- return dev;
- }
-
--static void aac_define_int_mode(struct aac_dev *dev)
--{
--
-- int i, msi_count;
--
-- msi_count = i = 0;
-- /* max. vectors from GET_COMM_PREFERRED_SETTINGS */
-- if (dev->max_msix == 0 ||
-- dev->pdev->device == PMC_DEVICE_S6 ||
-- dev->sync_mode) {
-- dev->max_msix = 1;
-- dev->vector_cap =
-- dev->scsi_host_ptr->can_queue +
-- AAC_NUM_MGT_FIB;
-- return;
-- }
--
-- msi_count = min(dev->max_msix,
-- (unsigned int)num_online_cpus());
--
-- dev->max_msix = msi_count;
--
-- if (msi_count > AAC_MAX_MSIX)
-- msi_count = AAC_MAX_MSIX;
--
-- for (i = 0; i < msi_count; i++)
-- dev->msixentry[i].entry = i;
--
-- if (msi_count > 1 &&
-- pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
-- i = pci_enable_msix(dev->pdev,
-- dev->msixentry,
-- msi_count);
-- /* Check how many MSIX vectors are allocated */
-- if (i >= 0) {
-- dev->msi_enabled = 1;
-- if (i) {
-- msi_count = i;
-- if (pci_enable_msix(dev->pdev,
-- dev->msixentry,
-- msi_count)) {
-- dev->msi_enabled = 0;
-- printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
-- dev->name, dev->id, i);
-- }
-- }
-- } else {
-- dev->msi_enabled = 0;
-- printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
-- dev->name, dev->id, i);
-- }
-- }
--
-- if (!dev->msi_enabled) {
-- msi_count = 1;
-- i = pci_enable_msi(dev->pdev);
--
-- if (!i) {
-- dev->msi_enabled = 1;
-- dev->msi = 1;
-- } else {
-- printk(KERN_ERR "%s%d: MSI not supported!! Will try INTx 0x%x.\n",
-- dev->name, dev->id, i);
-- }
-- }
--
-- if (!dev->msi_enabled)
-- dev->max_msix = msi_count = 1;
-- else {
-- if (dev->max_msix > msi_count)
-- dev->max_msix = msi_count;
-- }
-- dev->vector_cap =
-- (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) /
-- msi_count;
--}
-diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
-index 9eec02733c86..37375cf7d126 100644
---- a/drivers/scsi/aacraid/linit.c
-+++ b/drivers/scsi/aacraid/linit.c
-@@ -1317,6 +1317,149 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
- return error;
- }
-
-+#if (defined(CONFIG_PM))
-+void aac_release_resources(struct aac_dev *aac)
-+{
-+ int i;
-+
-+ aac_adapter_disable_int(aac);
-+ if (aac->pdev->device == PMC_DEVICE_S6 ||
-+ aac->pdev->device == PMC_DEVICE_S7 ||
-+ aac->pdev->device == PMC_DEVICE_S8 ||
-+ aac->pdev->device == PMC_DEVICE_S9) {
-+ if (aac->max_msix > 1) {
-+ for (i = 0; i < aac->max_msix; i++)
-+ free_irq(aac->msixentry[i].vector,
-+ &(aac->aac_msix[i]));
-+ } else {
-+ free_irq(aac->pdev->irq, &(aac->aac_msix[0]));
-+ }
-+ } else {
-+ free_irq(aac->pdev->irq, aac);
-+ }
-+ if (aac->msi)
-+ pci_disable_msi(aac->pdev);
-+ else if (aac->max_msix > 1)
-+ pci_disable_msix(aac->pdev);
-+
-+}
-+
-+static int aac_acquire_resources(struct aac_dev *dev)
-+{
-+ int i, j;
-+ int instance = dev->id;
-+ const char *name = dev->name;
-+ unsigned long status;
-+ /*
-+ * First clear out all interrupts. Then enable the one's that we
-+ * can handle.
-+ */
-+ while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
-+ || status == 0xffffffff)
-+ msleep(20);
-+
-+ aac_adapter_disable_int(dev);
-+ aac_adapter_enable_int(dev);
-+
-+
-+ if ((dev->pdev->device == PMC_DEVICE_S7 ||
-+ dev->pdev->device == PMC_DEVICE_S8 ||
-+ dev->pdev->device == PMC_DEVICE_S9))
-+ aac_define_int_mode(dev);
-+
-+ if (dev->msi_enabled)
-+ aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
-+
-+ if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) {
-+ for (i = 0; i < dev->max_msix; i++) {
-+ dev->aac_msix[i].vector_no = i;
-+ dev->aac_msix[i].dev = dev;
-+
-+ if (request_irq(dev->msixentry[i].vector,
-+ dev->a_ops.adapter_intr,
-+ 0, "aacraid", &(dev->aac_msix[i]))) {
-+ printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n",
-+ name, instance, i);
-+ for (j = 0 ; j < i ; j++)
-+ free_irq(dev->msixentry[j].vector,
-+ &(dev->aac_msix[j]));
-+ pci_disable_msix(dev->pdev);
-+ goto error_iounmap;
-+ }
-+ }
-+ } else {
-+ dev->aac_msix[0].vector_no = 0;
-+ dev->aac_msix[0].dev = dev;
-+
-+ if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
-+ IRQF_SHARED, "aacraid",
-+ &(dev->aac_msix[0])) < 0) {
-+ if (dev->msi)
-+ pci_disable_msi(dev->pdev);
-+ printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
-+ name, instance);
-+ goto error_iounmap;
-+ }
-+ }
-+
-+ aac_adapter_enable_int(dev);
-+
-+ if (!dev->sync_mode)
-+ aac_adapter_start(dev);
-+ return 0;
-+
-+error_iounmap:
-+ return -1;
-+
-+}
-+static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
-+{
-+
-+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
-+ struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
-+
-+ scsi_block_requests(shost);
-+ aac_send_shutdown(aac);
-+
-+ aac_release_resources(aac);
-+
-+ pci_set_drvdata(pdev, shost);
-+ pci_save_state(pdev);
-+ pci_disable_device(pdev);
-+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
-+
-+ return 0;
-+}
-+
-+static int aac_resume(struct pci_dev *pdev)
-+{
-+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
-+ struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
-+ int r;
-+
-+ pci_set_power_state(pdev, PCI_D0);
-+ pci_enable_wake(pdev, PCI_D0, 0);
-+ pci_restore_state(pdev);
-+ r = pci_enable_device(pdev);
-+
-+ if (r)
-+ goto fail_device;
-+
-+ pci_set_master(pdev);
-+ if (aac_acquire_resources(aac))
-+ goto fail_device;
-+ scsi_unblock_requests(shost);
-+
-+ return 0;
-+
-+fail_device:
-+ printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
-+ scsi_host_put(shost);
-+ pci_disable_device(pdev);
-+ return -ENODEV;
-+}
-+#endif
-+
- static void aac_shutdown(struct pci_dev *dev)
- {
- struct Scsi_Host *shost = pci_get_drvdata(dev);
-@@ -1356,6 +1499,10 @@ static struct pci_driver aac_pci_driver = {
- .id_table = aac_pci_tbl,
- .probe = aac_probe_one,
- .remove = aac_remove_one,
-+#if (defined(CONFIG_PM))
-+ .suspend = aac_suspend,
-+ .resume = aac_resume,
-+#endif
- .shutdown = aac_shutdown,
- };
-
-diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
-index 9570612b80ce..ac1638069335 100644
---- a/drivers/scsi/aacraid/rx.c
-+++ b/drivers/scsi/aacraid/rx.c
-@@ -623,6 +623,7 @@ int _aac_rx_init(struct aac_dev *dev)
- dev->a_ops.adapter_sync_cmd = rx_sync_cmd;
- dev->a_ops.adapter_check_health = aac_rx_check_health;
- dev->a_ops.adapter_restart = aac_rx_restart_adapter;
-+ dev->a_ops.adapter_start = aac_rx_start_adapter;
-
- /*
- * First clear out all interrupts. Then enable the one's that we
-diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c
-index e66477c98240..869aea23c041 100644
---- a/drivers/scsi/aacraid/sa.c
-+++ b/drivers/scsi/aacraid/sa.c
-@@ -372,6 +372,7 @@ int aac_sa_init(struct aac_dev *dev)
- dev->a_ops.adapter_sync_cmd = sa_sync_cmd;
- dev->a_ops.adapter_check_health = aac_sa_check_health;
- dev->a_ops.adapter_restart = aac_sa_restart_adapter;
-+ dev->a_ops.adapter_start = aac_sa_start_adapter;
- dev->a_ops.adapter_intr = aac_sa_intr;
- dev->a_ops.adapter_deliver = aac_rx_deliver_producer;
- dev->a_ops.adapter_ioremap = aac_sa_ioremap;
-diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
-index e63cf9f22f36..b147341ac24d 100644
---- a/drivers/scsi/aacraid/src.c
-+++ b/drivers/scsi/aacraid/src.c
-@@ -726,6 +726,7 @@ int aac_src_init(struct aac_dev *dev)
- dev->a_ops.adapter_sync_cmd = src_sync_cmd;
- dev->a_ops.adapter_check_health = aac_src_check_health;
- dev->a_ops.adapter_restart = aac_src_restart_adapter;
-+ dev->a_ops.adapter_start = aac_src_start_adapter;
-
- /*
- * First clear out all interrupts. Then enable the one's that we
-@@ -892,6 +893,7 @@ int aac_srcv_init(struct aac_dev *dev)
- dev->a_ops.adapter_sync_cmd = src_sync_cmd;
- dev->a_ops.adapter_check_health = aac_src_check_health;
- dev->a_ops.adapter_restart = aac_src_restart_adapter;
-+ dev->a_ops.adapter_start = aac_src_start_adapter;
-
- /*
- * First clear out all interrupts. Then enable the one's that we
---
-2.6.2
-
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