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author | Christophe Lombard <clombard@linux.vnet.ibm.com> | 2017-06-13 14:21:22 +0200 |
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committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-06-19 17:20:55 +1000 |
commit | 71de2375d28d8dba3b50f4857540bc68da3e5856 (patch) | |
tree | 0a57c66735a0bc93b8f2d60f36512c4bfb47f3a4 /hw | |
parent | e50764d4f2b11fc9e9fe0b2fd0a4617b32593bfa (diff) | |
download | skiboot-71de2375d28d8dba3b50f4857540bc68da3e5856.zip skiboot-71de2375d28d8dba3b50f4857540bc68da3e5856.tar.gz skiboot-71de2375d28d8dba3b50f4857540bc68da3e5856.tar.bz2 |
capi: Handle HMI events
Find the CAPP on the chip associated with the HMI event for PHB4.
The recovery mode (re-initialization of the capp, resume of functional
operations) is only available with P9 DD2. A new patch will be provided
to support this feature.
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/capp.c | 9 | ||||
-rw-r--r-- | hw/phb3.c | 35 | ||||
-rw-r--r-- | hw/phb4.c | 33 |
3 files changed, 77 insertions, 0 deletions
@@ -35,6 +35,7 @@ static struct { #define CAPP_UCODE_MAX_SIZE 0x20000 struct lock capi_lock = LOCK_UNLOCKED; +struct capp_ops capi_ops = { NULL }; bool capp_ucode_loaded(struct proc_chip *chip, unsigned int index) { @@ -229,3 +230,11 @@ int64_t capp_load_ucode(unsigned int chip_id, uint32_t opal_id, return OPAL_SUCCESS; } + +int64_t capp_get_info(int chip_id, struct phb *phb, struct capp_info *info) +{ + if (capi_ops.get_capp_info) + return capi_ops.get_capp_info(chip_id, phb, info); + + return OPAL_PARAMETER; +} @@ -3394,6 +3394,38 @@ static int64_t phb3_get_diag_data(struct phb *phb, return OPAL_SUCCESS; } +static int64_t phb3_get_capp_info(int chip_id, struct phb *phb, + struct capp_info *info) +{ + struct phb3 *p = phb_to_phb3(phb); + struct proc_chip *chip = get_chip(p->chip_id); + uint32_t offset; + + if (chip_id != p->chip_id) + return OPAL_PARAMETER; + + if (!((1 << p->index) & chip->capp_phb3_attached_mask)) + return OPAL_PARAMETER; + + offset = PHB3_CAPP_REG_OFFSET(p); + + if (PHB3_IS_NAPLES(p)) { + if (p->index == 0) + info->capp_index = 0; + else + info->capp_index = 1; + } else + info->capp_index = 0; + info->phb_index = p->index; + info->capp_fir_reg = CAPP_FIR + offset; + info->capp_fir_mask_reg = CAPP_FIR_MASK + offset; + info->capp_fir_action0_reg = CAPP_FIR_ACTION0 + offset; + info->capp_fir_action1_reg = CAPP_FIR_ACTION1 + offset; + info->capp_err_status_ctrl_reg = CAPP_ERR_STATUS_CTRL + offset; + + return OPAL_SUCCESS; +} + static void phb3_init_capp_regs(struct phb3 *p, bool dma_mode) { uint64_t reg; @@ -3606,6 +3638,9 @@ static int64_t enable_capi_mode(struct phb3 *p, uint64_t pe_number, bool dma_mod return OPAL_HARDWARE; } + /* set callbacks to handle HMI events */ + capi_ops.get_capp_info = &phb3_get_capp_info; + return OPAL_SUCCESS; } @@ -2762,6 +2762,35 @@ static uint64_t tve_encode_50b_noxlate(uint64_t start_addr, uint64_t end_addr) return tve; } +static int64_t phb4_get_capp_info(int chip_id, struct phb *phb, + struct capp_info *info) +{ + struct phb4 *p = phb_to_phb4(phb); + struct proc_chip *chip = get_chip(p->chip_id); + uint32_t offset; + + if (chip_id != p->chip_id) + return OPAL_PARAMETER; + + if (!((1 << p->index) & chip->capp_phb4_attached_mask)) + return OPAL_PARAMETER; + + offset = PHB4_CAPP_REG_OFFSET(p); + + if (p->index == CAPP0_PHB_INDEX) + info->capp_index = 0; + if (p->index == CAPP1_PHB_INDEX) + info->capp_index = 1; + info->phb_index = p->index; + info->capp_fir_reg = CAPP_FIR + offset; + info->capp_fir_mask_reg = CAPP_FIR_MASK + offset; + info->capp_fir_action0_reg = CAPP_FIR_ACTION0 + offset; + info->capp_fir_action1_reg = CAPP_FIR_ACTION1 + offset; + info->capp_err_status_ctrl_reg = CAPP_ERR_STATUS_CTRL + offset; + + return OPAL_SUCCESS; +} + static void phb4_init_capp_regs(struct phb4 *p) { uint64_t reg; @@ -3031,6 +3060,10 @@ static int64_t enable_capi_mode(struct phb4 *p, uint64_t pe_number, PHBERR(p, "CAPP: Failed to sync timebase\n"); return OPAL_HARDWARE; } + + /* set callbacks to handle HMI events */ + capi_ops.get_capp_info = &phb4_get_capp_info; + return OPAL_SUCCESS; } |